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79e53945 JB |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | */ | |
26 | ||
618563e3 | 27 | #include <linux/dmi.h> |
c1c7af60 JB |
28 | #include <linux/module.h> |
29 | #include <linux/input.h> | |
79e53945 | 30 | #include <linux/i2c.h> |
7662c8bd | 31 | #include <linux/kernel.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
9cce37f4 | 33 | #include <linux/vgaarb.h> |
e0dac65e | 34 | #include <drm/drm_edid.h> |
760285e7 | 35 | #include <drm/drmP.h> |
79e53945 | 36 | #include "intel_drv.h" |
760285e7 | 37 | #include <drm/i915_drm.h> |
79e53945 | 38 | #include "i915_drv.h" |
e5510fac | 39 | #include "i915_trace.h" |
319c1d42 | 40 | #include <drm/drm_atomic.h> |
c196e1d6 | 41 | #include <drm/drm_atomic_helper.h> |
760285e7 DH |
42 | #include <drm/drm_dp_helper.h> |
43 | #include <drm/drm_crtc_helper.h> | |
465c120c MR |
44 | #include <drm/drm_plane_helper.h> |
45 | #include <drm/drm_rect.h> | |
c0f372b3 | 46 | #include <linux/dma_remapping.h> |
79e53945 | 47 | |
465c120c MR |
48 | /* Primary plane formats supported by all gen */ |
49 | #define COMMON_PRIMARY_FORMATS \ | |
50 | DRM_FORMAT_C8, \ | |
51 | DRM_FORMAT_RGB565, \ | |
52 | DRM_FORMAT_XRGB8888, \ | |
53 | DRM_FORMAT_ARGB8888 | |
54 | ||
55 | /* Primary plane formats for gen <= 3 */ | |
56 | static const uint32_t intel_primary_formats_gen2[] = { | |
57 | COMMON_PRIMARY_FORMATS, | |
58 | DRM_FORMAT_XRGB1555, | |
59 | DRM_FORMAT_ARGB1555, | |
60 | }; | |
61 | ||
62 | /* Primary plane formats for gen >= 4 */ | |
63 | static const uint32_t intel_primary_formats_gen4[] = { | |
64 | COMMON_PRIMARY_FORMATS, \ | |
65 | DRM_FORMAT_XBGR8888, | |
66 | DRM_FORMAT_ABGR8888, | |
67 | DRM_FORMAT_XRGB2101010, | |
68 | DRM_FORMAT_ARGB2101010, | |
69 | DRM_FORMAT_XBGR2101010, | |
70 | DRM_FORMAT_ABGR2101010, | |
71 | }; | |
72 | ||
3d7d6510 MR |
73 | /* Cursor formats */ |
74 | static const uint32_t intel_cursor_formats[] = { | |
75 | DRM_FORMAT_ARGB8888, | |
76 | }; | |
77 | ||
6b383a7f | 78 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
79e53945 | 79 | |
f1f644dc | 80 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 81 | struct intel_crtc_state *pipe_config); |
18442d08 | 82 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 83 | struct intel_crtc_state *pipe_config); |
f1f644dc | 84 | |
e7457a9a | 85 | static int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, |
83a57153 ACO |
86 | int x, int y, struct drm_framebuffer *old_fb, |
87 | struct drm_atomic_state *state); | |
eb1bfe80 JB |
88 | static int intel_framebuffer_init(struct drm_device *dev, |
89 | struct intel_framebuffer *ifb, | |
90 | struct drm_mode_fb_cmd2 *mode_cmd, | |
91 | struct drm_i915_gem_object *obj); | |
5b18e57c DV |
92 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
93 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); | |
29407aab | 94 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
f769cd24 VK |
95 | struct intel_link_m_n *m_n, |
96 | struct intel_link_m_n *m2_n2); | |
29407aab | 97 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
229fca97 DV |
98 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
99 | static void intel_set_pipe_csc(struct drm_crtc *crtc); | |
d288f65f | 100 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 101 | const struct intel_crtc_state *pipe_config); |
d288f65f | 102 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 103 | const struct intel_crtc_state *pipe_config); |
ea2c67bb MR |
104 | static void intel_begin_crtc_commit(struct drm_crtc *crtc); |
105 | static void intel_finish_crtc_commit(struct drm_crtc *crtc); | |
e7457a9a | 106 | |
0e32b39c DA |
107 | static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe) |
108 | { | |
109 | if (!connector->mst_port) | |
110 | return connector->encoder; | |
111 | else | |
112 | return &connector->mst_port->mst_encoders[pipe]->base; | |
113 | } | |
114 | ||
79e53945 | 115 | typedef struct { |
0206e353 | 116 | int min, max; |
79e53945 JB |
117 | } intel_range_t; |
118 | ||
119 | typedef struct { | |
0206e353 AJ |
120 | int dot_limit; |
121 | int p2_slow, p2_fast; | |
79e53945 JB |
122 | } intel_p2_t; |
123 | ||
d4906093 ML |
124 | typedef struct intel_limit intel_limit_t; |
125 | struct intel_limit { | |
0206e353 AJ |
126 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
127 | intel_p2_t p2; | |
d4906093 | 128 | }; |
79e53945 | 129 | |
d2acd215 DV |
130 | int |
131 | intel_pch_rawclk(struct drm_device *dev) | |
132 | { | |
133 | struct drm_i915_private *dev_priv = dev->dev_private; | |
134 | ||
135 | WARN_ON(!HAS_PCH_SPLIT(dev)); | |
136 | ||
137 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; | |
138 | } | |
139 | ||
021357ac CW |
140 | static inline u32 /* units of 100MHz */ |
141 | intel_fdi_link_freq(struct drm_device *dev) | |
142 | { | |
8b99e68c CW |
143 | if (IS_GEN5(dev)) { |
144 | struct drm_i915_private *dev_priv = dev->dev_private; | |
145 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; | |
146 | } else | |
147 | return 27; | |
021357ac CW |
148 | } |
149 | ||
5d536e28 | 150 | static const intel_limit_t intel_limits_i8xx_dac = { |
0206e353 | 151 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 152 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 153 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
154 | .m = { .min = 96, .max = 140 }, |
155 | .m1 = { .min = 18, .max = 26 }, | |
156 | .m2 = { .min = 6, .max = 16 }, | |
157 | .p = { .min = 4, .max = 128 }, | |
158 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
159 | .p2 = { .dot_limit = 165000, |
160 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
161 | }; |
162 | ||
5d536e28 DV |
163 | static const intel_limit_t intel_limits_i8xx_dvo = { |
164 | .dot = { .min = 25000, .max = 350000 }, | |
9c333719 | 165 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 166 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
167 | .m = { .min = 96, .max = 140 }, |
168 | .m1 = { .min = 18, .max = 26 }, | |
169 | .m2 = { .min = 6, .max = 16 }, | |
170 | .p = { .min = 4, .max = 128 }, | |
171 | .p1 = { .min = 2, .max = 33 }, | |
172 | .p2 = { .dot_limit = 165000, | |
173 | .p2_slow = 4, .p2_fast = 4 }, | |
174 | }; | |
175 | ||
e4b36699 | 176 | static const intel_limit_t intel_limits_i8xx_lvds = { |
0206e353 | 177 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 178 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 179 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
180 | .m = { .min = 96, .max = 140 }, |
181 | .m1 = { .min = 18, .max = 26 }, | |
182 | .m2 = { .min = 6, .max = 16 }, | |
183 | .p = { .min = 4, .max = 128 }, | |
184 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
185 | .p2 = { .dot_limit = 165000, |
186 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 187 | }; |
273e27ca | 188 | |
e4b36699 | 189 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
190 | .dot = { .min = 20000, .max = 400000 }, |
191 | .vco = { .min = 1400000, .max = 2800000 }, | |
192 | .n = { .min = 1, .max = 6 }, | |
193 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
194 | .m1 = { .min = 8, .max = 18 }, |
195 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
196 | .p = { .min = 5, .max = 80 }, |
197 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
198 | .p2 = { .dot_limit = 200000, |
199 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
200 | }; |
201 | ||
202 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
203 | .dot = { .min = 20000, .max = 400000 }, |
204 | .vco = { .min = 1400000, .max = 2800000 }, | |
205 | .n = { .min = 1, .max = 6 }, | |
206 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
207 | .m1 = { .min = 8, .max = 18 }, |
208 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
209 | .p = { .min = 7, .max = 98 }, |
210 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
211 | .p2 = { .dot_limit = 112000, |
212 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
213 | }; |
214 | ||
273e27ca | 215 | |
e4b36699 | 216 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
217 | .dot = { .min = 25000, .max = 270000 }, |
218 | .vco = { .min = 1750000, .max = 3500000}, | |
219 | .n = { .min = 1, .max = 4 }, | |
220 | .m = { .min = 104, .max = 138 }, | |
221 | .m1 = { .min = 17, .max = 23 }, | |
222 | .m2 = { .min = 5, .max = 11 }, | |
223 | .p = { .min = 10, .max = 30 }, | |
224 | .p1 = { .min = 1, .max = 3}, | |
225 | .p2 = { .dot_limit = 270000, | |
226 | .p2_slow = 10, | |
227 | .p2_fast = 10 | |
044c7c41 | 228 | }, |
e4b36699 KP |
229 | }; |
230 | ||
231 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
232 | .dot = { .min = 22000, .max = 400000 }, |
233 | .vco = { .min = 1750000, .max = 3500000}, | |
234 | .n = { .min = 1, .max = 4 }, | |
235 | .m = { .min = 104, .max = 138 }, | |
236 | .m1 = { .min = 16, .max = 23 }, | |
237 | .m2 = { .min = 5, .max = 11 }, | |
238 | .p = { .min = 5, .max = 80 }, | |
239 | .p1 = { .min = 1, .max = 8}, | |
240 | .p2 = { .dot_limit = 165000, | |
241 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
242 | }; |
243 | ||
244 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
245 | .dot = { .min = 20000, .max = 115000 }, |
246 | .vco = { .min = 1750000, .max = 3500000 }, | |
247 | .n = { .min = 1, .max = 3 }, | |
248 | .m = { .min = 104, .max = 138 }, | |
249 | .m1 = { .min = 17, .max = 23 }, | |
250 | .m2 = { .min = 5, .max = 11 }, | |
251 | .p = { .min = 28, .max = 112 }, | |
252 | .p1 = { .min = 2, .max = 8 }, | |
253 | .p2 = { .dot_limit = 0, | |
254 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 255 | }, |
e4b36699 KP |
256 | }; |
257 | ||
258 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
259 | .dot = { .min = 80000, .max = 224000 }, |
260 | .vco = { .min = 1750000, .max = 3500000 }, | |
261 | .n = { .min = 1, .max = 3 }, | |
262 | .m = { .min = 104, .max = 138 }, | |
263 | .m1 = { .min = 17, .max = 23 }, | |
264 | .m2 = { .min = 5, .max = 11 }, | |
265 | .p = { .min = 14, .max = 42 }, | |
266 | .p1 = { .min = 2, .max = 6 }, | |
267 | .p2 = { .dot_limit = 0, | |
268 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 269 | }, |
e4b36699 KP |
270 | }; |
271 | ||
f2b115e6 | 272 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
273 | .dot = { .min = 20000, .max = 400000}, |
274 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 275 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
276 | .n = { .min = 3, .max = 6 }, |
277 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 278 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
279 | .m1 = { .min = 0, .max = 0 }, |
280 | .m2 = { .min = 0, .max = 254 }, | |
281 | .p = { .min = 5, .max = 80 }, | |
282 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
283 | .p2 = { .dot_limit = 200000, |
284 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
285 | }; |
286 | ||
f2b115e6 | 287 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
288 | .dot = { .min = 20000, .max = 400000 }, |
289 | .vco = { .min = 1700000, .max = 3500000 }, | |
290 | .n = { .min = 3, .max = 6 }, | |
291 | .m = { .min = 2, .max = 256 }, | |
292 | .m1 = { .min = 0, .max = 0 }, | |
293 | .m2 = { .min = 0, .max = 254 }, | |
294 | .p = { .min = 7, .max = 112 }, | |
295 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
296 | .p2 = { .dot_limit = 112000, |
297 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
298 | }; |
299 | ||
273e27ca EA |
300 | /* Ironlake / Sandybridge |
301 | * | |
302 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
303 | * the range value for them is (actual_value - 2). | |
304 | */ | |
b91ad0ec | 305 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
306 | .dot = { .min = 25000, .max = 350000 }, |
307 | .vco = { .min = 1760000, .max = 3510000 }, | |
308 | .n = { .min = 1, .max = 5 }, | |
309 | .m = { .min = 79, .max = 127 }, | |
310 | .m1 = { .min = 12, .max = 22 }, | |
311 | .m2 = { .min = 5, .max = 9 }, | |
312 | .p = { .min = 5, .max = 80 }, | |
313 | .p1 = { .min = 1, .max = 8 }, | |
314 | .p2 = { .dot_limit = 225000, | |
315 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
316 | }; |
317 | ||
b91ad0ec | 318 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
319 | .dot = { .min = 25000, .max = 350000 }, |
320 | .vco = { .min = 1760000, .max = 3510000 }, | |
321 | .n = { .min = 1, .max = 3 }, | |
322 | .m = { .min = 79, .max = 118 }, | |
323 | .m1 = { .min = 12, .max = 22 }, | |
324 | .m2 = { .min = 5, .max = 9 }, | |
325 | .p = { .min = 28, .max = 112 }, | |
326 | .p1 = { .min = 2, .max = 8 }, | |
327 | .p2 = { .dot_limit = 225000, | |
328 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
329 | }; |
330 | ||
331 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
332 | .dot = { .min = 25000, .max = 350000 }, |
333 | .vco = { .min = 1760000, .max = 3510000 }, | |
334 | .n = { .min = 1, .max = 3 }, | |
335 | .m = { .min = 79, .max = 127 }, | |
336 | .m1 = { .min = 12, .max = 22 }, | |
337 | .m2 = { .min = 5, .max = 9 }, | |
338 | .p = { .min = 14, .max = 56 }, | |
339 | .p1 = { .min = 2, .max = 8 }, | |
340 | .p2 = { .dot_limit = 225000, | |
341 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
342 | }; |
343 | ||
273e27ca | 344 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 345 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
346 | .dot = { .min = 25000, .max = 350000 }, |
347 | .vco = { .min = 1760000, .max = 3510000 }, | |
348 | .n = { .min = 1, .max = 2 }, | |
349 | .m = { .min = 79, .max = 126 }, | |
350 | .m1 = { .min = 12, .max = 22 }, | |
351 | .m2 = { .min = 5, .max = 9 }, | |
352 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 353 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
354 | .p2 = { .dot_limit = 225000, |
355 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
356 | }; |
357 | ||
358 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
359 | .dot = { .min = 25000, .max = 350000 }, |
360 | .vco = { .min = 1760000, .max = 3510000 }, | |
361 | .n = { .min = 1, .max = 3 }, | |
362 | .m = { .min = 79, .max = 126 }, | |
363 | .m1 = { .min = 12, .max = 22 }, | |
364 | .m2 = { .min = 5, .max = 9 }, | |
365 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 366 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
367 | .p2 = { .dot_limit = 225000, |
368 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
369 | }; |
370 | ||
dc730512 | 371 | static const intel_limit_t intel_limits_vlv = { |
f01b7962 VS |
372 | /* |
373 | * These are the data rate limits (measured in fast clocks) | |
374 | * since those are the strictest limits we have. The fast | |
375 | * clock and actual rate limits are more relaxed, so checking | |
376 | * them would make no difference. | |
377 | */ | |
378 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 379 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 380 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
381 | .m1 = { .min = 2, .max = 3 }, |
382 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 383 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 384 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
385 | }; |
386 | ||
ef9348c8 CML |
387 | static const intel_limit_t intel_limits_chv = { |
388 | /* | |
389 | * These are the data rate limits (measured in fast clocks) | |
390 | * since those are the strictest limits we have. The fast | |
391 | * clock and actual rate limits are more relaxed, so checking | |
392 | * them would make no difference. | |
393 | */ | |
394 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, | |
17fe1021 | 395 | .vco = { .min = 4800000, .max = 6480000 }, |
ef9348c8 CML |
396 | .n = { .min = 1, .max = 1 }, |
397 | .m1 = { .min = 2, .max = 2 }, | |
398 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, | |
399 | .p1 = { .min = 2, .max = 4 }, | |
400 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, | |
401 | }; | |
402 | ||
6b4bf1c4 VS |
403 | static void vlv_clock(int refclk, intel_clock_t *clock) |
404 | { | |
405 | clock->m = clock->m1 * clock->m2; | |
406 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
407 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
408 | return; | |
fb03ac01 VS |
409 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
410 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
6b4bf1c4 VS |
411 | } |
412 | ||
e0638cdf PZ |
413 | /** |
414 | * Returns whether any output on the specified pipe is of the specified type | |
415 | */ | |
4093561b | 416 | bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type) |
e0638cdf | 417 | { |
409ee761 | 418 | struct drm_device *dev = crtc->base.dev; |
e0638cdf PZ |
419 | struct intel_encoder *encoder; |
420 | ||
409ee761 | 421 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
e0638cdf PZ |
422 | if (encoder->type == type) |
423 | return true; | |
424 | ||
425 | return false; | |
426 | } | |
427 | ||
d0737e1d ACO |
428 | /** |
429 | * Returns whether any output on the specified pipe will have the specified | |
430 | * type after a staged modeset is complete, i.e., the same as | |
431 | * intel_pipe_has_type() but looking at encoder->new_crtc instead of | |
432 | * encoder->crtc. | |
433 | */ | |
a93e255f ACO |
434 | static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state, |
435 | int type) | |
d0737e1d | 436 | { |
a93e255f ACO |
437 | struct drm_atomic_state *state = crtc_state->base.state; |
438 | struct drm_connector_state *connector_state; | |
d0737e1d | 439 | struct intel_encoder *encoder; |
a93e255f ACO |
440 | int i, num_connectors = 0; |
441 | ||
442 | for (i = 0; i < state->num_connector; i++) { | |
443 | if (!state->connectors[i]) | |
444 | continue; | |
445 | ||
446 | connector_state = state->connector_states[i]; | |
447 | if (connector_state->crtc != crtc_state->base.crtc) | |
448 | continue; | |
449 | ||
450 | num_connectors++; | |
d0737e1d | 451 | |
a93e255f ACO |
452 | encoder = to_intel_encoder(connector_state->best_encoder); |
453 | if (encoder->type == type) | |
d0737e1d | 454 | return true; |
a93e255f ACO |
455 | } |
456 | ||
457 | WARN_ON(num_connectors == 0); | |
d0737e1d ACO |
458 | |
459 | return false; | |
460 | } | |
461 | ||
a93e255f ACO |
462 | static const intel_limit_t * |
463 | intel_ironlake_limit(struct intel_crtc_state *crtc_state, int refclk) | |
2c07245f | 464 | { |
a93e255f | 465 | struct drm_device *dev = crtc_state->base.crtc->dev; |
2c07245f | 466 | const intel_limit_t *limit; |
b91ad0ec | 467 | |
a93e255f | 468 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 469 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 470 | if (refclk == 100000) |
b91ad0ec ZW |
471 | limit = &intel_limits_ironlake_dual_lvds_100m; |
472 | else | |
473 | limit = &intel_limits_ironlake_dual_lvds; | |
474 | } else { | |
1b894b59 | 475 | if (refclk == 100000) |
b91ad0ec ZW |
476 | limit = &intel_limits_ironlake_single_lvds_100m; |
477 | else | |
478 | limit = &intel_limits_ironlake_single_lvds; | |
479 | } | |
c6bb3538 | 480 | } else |
b91ad0ec | 481 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
482 | |
483 | return limit; | |
484 | } | |
485 | ||
a93e255f ACO |
486 | static const intel_limit_t * |
487 | intel_g4x_limit(struct intel_crtc_state *crtc_state) | |
044c7c41 | 488 | { |
a93e255f | 489 | struct drm_device *dev = crtc_state->base.crtc->dev; |
044c7c41 ML |
490 | const intel_limit_t *limit; |
491 | ||
a93e255f | 492 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 493 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 494 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 495 | else |
e4b36699 | 496 | limit = &intel_limits_g4x_single_channel_lvds; |
a93e255f ACO |
497 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI) || |
498 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 499 | limit = &intel_limits_g4x_hdmi; |
a93e255f | 500 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 501 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 502 | } else /* The option is for other outputs */ |
e4b36699 | 503 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
504 | |
505 | return limit; | |
506 | } | |
507 | ||
a93e255f ACO |
508 | static const intel_limit_t * |
509 | intel_limit(struct intel_crtc_state *crtc_state, int refclk) | |
79e53945 | 510 | { |
a93e255f | 511 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 JB |
512 | const intel_limit_t *limit; |
513 | ||
bad720ff | 514 | if (HAS_PCH_SPLIT(dev)) |
a93e255f | 515 | limit = intel_ironlake_limit(crtc_state, refclk); |
2c07245f | 516 | else if (IS_G4X(dev)) { |
a93e255f | 517 | limit = intel_g4x_limit(crtc_state); |
f2b115e6 | 518 | } else if (IS_PINEVIEW(dev)) { |
a93e255f | 519 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 520 | limit = &intel_limits_pineview_lvds; |
2177832f | 521 | else |
f2b115e6 | 522 | limit = &intel_limits_pineview_sdvo; |
ef9348c8 CML |
523 | } else if (IS_CHERRYVIEW(dev)) { |
524 | limit = &intel_limits_chv; | |
a0c4da24 | 525 | } else if (IS_VALLEYVIEW(dev)) { |
dc730512 | 526 | limit = &intel_limits_vlv; |
a6c45cf0 | 527 | } else if (!IS_GEN2(dev)) { |
a93e255f | 528 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
a6c45cf0 CW |
529 | limit = &intel_limits_i9xx_lvds; |
530 | else | |
531 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 | 532 | } else { |
a93e255f | 533 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
e4b36699 | 534 | limit = &intel_limits_i8xx_lvds; |
a93e255f | 535 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
e4b36699 | 536 | limit = &intel_limits_i8xx_dvo; |
5d536e28 DV |
537 | else |
538 | limit = &intel_limits_i8xx_dac; | |
79e53945 JB |
539 | } |
540 | return limit; | |
541 | } | |
542 | ||
f2b115e6 AJ |
543 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
544 | static void pineview_clock(int refclk, intel_clock_t *clock) | |
79e53945 | 545 | { |
2177832f SL |
546 | clock->m = clock->m2 + 2; |
547 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e VS |
548 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
549 | return; | |
fb03ac01 VS |
550 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
551 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
2177832f SL |
552 | } |
553 | ||
7429e9d4 DV |
554 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
555 | { | |
556 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
557 | } | |
558 | ||
ac58c3f0 | 559 | static void i9xx_clock(int refclk, intel_clock_t *clock) |
2177832f | 560 | { |
7429e9d4 | 561 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 562 | clock->p = clock->p1 * clock->p2; |
ed5ca77e VS |
563 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
564 | return; | |
fb03ac01 VS |
565 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
566 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
79e53945 JB |
567 | } |
568 | ||
ef9348c8 CML |
569 | static void chv_clock(int refclk, intel_clock_t *clock) |
570 | { | |
571 | clock->m = clock->m1 * clock->m2; | |
572 | clock->p = clock->p1 * clock->p2; | |
573 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
574 | return; | |
575 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, | |
576 | clock->n << 22); | |
577 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
578 | } | |
579 | ||
7c04d1d9 | 580 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
581 | /** |
582 | * Returns whether the given set of divisors are valid for a given refclk with | |
583 | * the given connectors. | |
584 | */ | |
585 | ||
1b894b59 CW |
586 | static bool intel_PLL_is_valid(struct drm_device *dev, |
587 | const intel_limit_t *limit, | |
588 | const intel_clock_t *clock) | |
79e53945 | 589 | { |
f01b7962 VS |
590 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
591 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 592 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 593 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 594 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 595 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 596 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 597 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 VS |
598 | |
599 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev)) | |
600 | if (clock->m1 <= clock->m2) | |
601 | INTELPllInvalid("m1 <= m2\n"); | |
602 | ||
603 | if (!IS_VALLEYVIEW(dev)) { | |
604 | if (clock->p < limit->p.min || limit->p.max < clock->p) | |
605 | INTELPllInvalid("p out of range\n"); | |
606 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
607 | INTELPllInvalid("m out of range\n"); | |
608 | } | |
609 | ||
79e53945 | 610 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 611 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
612 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
613 | * connector, etc., rather than just a single range. | |
614 | */ | |
615 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 616 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
617 | |
618 | return true; | |
619 | } | |
620 | ||
d4906093 | 621 | static bool |
a93e255f ACO |
622 | i9xx_find_best_dpll(const intel_limit_t *limit, |
623 | struct intel_crtc_state *crtc_state, | |
cec2f356 SP |
624 | int target, int refclk, intel_clock_t *match_clock, |
625 | intel_clock_t *best_clock) | |
79e53945 | 626 | { |
a93e255f | 627 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 628 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 629 | intel_clock_t clock; |
79e53945 JB |
630 | int err = target; |
631 | ||
a93e255f | 632 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 633 | /* |
a210b028 DV |
634 | * For LVDS just rely on its current settings for dual-channel. |
635 | * We haven't figured out how to reliably set up different | |
636 | * single/dual channel state, if we even can. | |
79e53945 | 637 | */ |
1974cad0 | 638 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
639 | clock.p2 = limit->p2.p2_fast; |
640 | else | |
641 | clock.p2 = limit->p2.p2_slow; | |
642 | } else { | |
643 | if (target < limit->p2.dot_limit) | |
644 | clock.p2 = limit->p2.p2_slow; | |
645 | else | |
646 | clock.p2 = limit->p2.p2_fast; | |
647 | } | |
648 | ||
0206e353 | 649 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 650 | |
42158660 ZY |
651 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
652 | clock.m1++) { | |
653 | for (clock.m2 = limit->m2.min; | |
654 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 655 | if (clock.m2 >= clock.m1) |
42158660 ZY |
656 | break; |
657 | for (clock.n = limit->n.min; | |
658 | clock.n <= limit->n.max; clock.n++) { | |
659 | for (clock.p1 = limit->p1.min; | |
660 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
661 | int this_err; |
662 | ||
ac58c3f0 DV |
663 | i9xx_clock(refclk, &clock); |
664 | if (!intel_PLL_is_valid(dev, limit, | |
665 | &clock)) | |
666 | continue; | |
667 | if (match_clock && | |
668 | clock.p != match_clock->p) | |
669 | continue; | |
670 | ||
671 | this_err = abs(clock.dot - target); | |
672 | if (this_err < err) { | |
673 | *best_clock = clock; | |
674 | err = this_err; | |
675 | } | |
676 | } | |
677 | } | |
678 | } | |
679 | } | |
680 | ||
681 | return (err != target); | |
682 | } | |
683 | ||
684 | static bool | |
a93e255f ACO |
685 | pnv_find_best_dpll(const intel_limit_t *limit, |
686 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
687 | int target, int refclk, intel_clock_t *match_clock, |
688 | intel_clock_t *best_clock) | |
79e53945 | 689 | { |
a93e255f | 690 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 691 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 692 | intel_clock_t clock; |
79e53945 JB |
693 | int err = target; |
694 | ||
a93e255f | 695 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 696 | /* |
a210b028 DV |
697 | * For LVDS just rely on its current settings for dual-channel. |
698 | * We haven't figured out how to reliably set up different | |
699 | * single/dual channel state, if we even can. | |
79e53945 | 700 | */ |
1974cad0 | 701 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
702 | clock.p2 = limit->p2.p2_fast; |
703 | else | |
704 | clock.p2 = limit->p2.p2_slow; | |
705 | } else { | |
706 | if (target < limit->p2.dot_limit) | |
707 | clock.p2 = limit->p2.p2_slow; | |
708 | else | |
709 | clock.p2 = limit->p2.p2_fast; | |
710 | } | |
711 | ||
0206e353 | 712 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 713 | |
42158660 ZY |
714 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
715 | clock.m1++) { | |
716 | for (clock.m2 = limit->m2.min; | |
717 | clock.m2 <= limit->m2.max; clock.m2++) { | |
42158660 ZY |
718 | for (clock.n = limit->n.min; |
719 | clock.n <= limit->n.max; clock.n++) { | |
720 | for (clock.p1 = limit->p1.min; | |
721 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
722 | int this_err; |
723 | ||
ac58c3f0 | 724 | pineview_clock(refclk, &clock); |
1b894b59 CW |
725 | if (!intel_PLL_is_valid(dev, limit, |
726 | &clock)) | |
79e53945 | 727 | continue; |
cec2f356 SP |
728 | if (match_clock && |
729 | clock.p != match_clock->p) | |
730 | continue; | |
79e53945 JB |
731 | |
732 | this_err = abs(clock.dot - target); | |
733 | if (this_err < err) { | |
734 | *best_clock = clock; | |
735 | err = this_err; | |
736 | } | |
737 | } | |
738 | } | |
739 | } | |
740 | } | |
741 | ||
742 | return (err != target); | |
743 | } | |
744 | ||
d4906093 | 745 | static bool |
a93e255f ACO |
746 | g4x_find_best_dpll(const intel_limit_t *limit, |
747 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
748 | int target, int refclk, intel_clock_t *match_clock, |
749 | intel_clock_t *best_clock) | |
d4906093 | 750 | { |
a93e255f | 751 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 752 | struct drm_device *dev = crtc->base.dev; |
d4906093 ML |
753 | intel_clock_t clock; |
754 | int max_n; | |
755 | bool found; | |
6ba770dc AJ |
756 | /* approximately equals target * 0.00585 */ |
757 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
758 | found = false; |
759 | ||
a93e255f | 760 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 761 | if (intel_is_dual_link_lvds(dev)) |
d4906093 ML |
762 | clock.p2 = limit->p2.p2_fast; |
763 | else | |
764 | clock.p2 = limit->p2.p2_slow; | |
765 | } else { | |
766 | if (target < limit->p2.dot_limit) | |
767 | clock.p2 = limit->p2.p2_slow; | |
768 | else | |
769 | clock.p2 = limit->p2.p2_fast; | |
770 | } | |
771 | ||
772 | memset(best_clock, 0, sizeof(*best_clock)); | |
773 | max_n = limit->n.max; | |
f77f13e2 | 774 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 775 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 776 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
777 | for (clock.m1 = limit->m1.max; |
778 | clock.m1 >= limit->m1.min; clock.m1--) { | |
779 | for (clock.m2 = limit->m2.max; | |
780 | clock.m2 >= limit->m2.min; clock.m2--) { | |
781 | for (clock.p1 = limit->p1.max; | |
782 | clock.p1 >= limit->p1.min; clock.p1--) { | |
783 | int this_err; | |
784 | ||
ac58c3f0 | 785 | i9xx_clock(refclk, &clock); |
1b894b59 CW |
786 | if (!intel_PLL_is_valid(dev, limit, |
787 | &clock)) | |
d4906093 | 788 | continue; |
1b894b59 CW |
789 | |
790 | this_err = abs(clock.dot - target); | |
d4906093 ML |
791 | if (this_err < err_most) { |
792 | *best_clock = clock; | |
793 | err_most = this_err; | |
794 | max_n = clock.n; | |
795 | found = true; | |
796 | } | |
797 | } | |
798 | } | |
799 | } | |
800 | } | |
2c07245f ZW |
801 | return found; |
802 | } | |
803 | ||
d5dd62bd ID |
804 | /* |
805 | * Check if the calculated PLL configuration is more optimal compared to the | |
806 | * best configuration and error found so far. Return the calculated error. | |
807 | */ | |
808 | static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, | |
809 | const intel_clock_t *calculated_clock, | |
810 | const intel_clock_t *best_clock, | |
811 | unsigned int best_error_ppm, | |
812 | unsigned int *error_ppm) | |
813 | { | |
9ca3ba01 ID |
814 | /* |
815 | * For CHV ignore the error and consider only the P value. | |
816 | * Prefer a bigger P value based on HW requirements. | |
817 | */ | |
818 | if (IS_CHERRYVIEW(dev)) { | |
819 | *error_ppm = 0; | |
820 | ||
821 | return calculated_clock->p > best_clock->p; | |
822 | } | |
823 | ||
24be4e46 ID |
824 | if (WARN_ON_ONCE(!target_freq)) |
825 | return false; | |
826 | ||
d5dd62bd ID |
827 | *error_ppm = div_u64(1000000ULL * |
828 | abs(target_freq - calculated_clock->dot), | |
829 | target_freq); | |
830 | /* | |
831 | * Prefer a better P value over a better (smaller) error if the error | |
832 | * is small. Ensure this preference for future configurations too by | |
833 | * setting the error to 0. | |
834 | */ | |
835 | if (*error_ppm < 100 && calculated_clock->p > best_clock->p) { | |
836 | *error_ppm = 0; | |
837 | ||
838 | return true; | |
839 | } | |
840 | ||
841 | return *error_ppm + 10 < best_error_ppm; | |
842 | } | |
843 | ||
a0c4da24 | 844 | static bool |
a93e255f ACO |
845 | vlv_find_best_dpll(const intel_limit_t *limit, |
846 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
847 | int target, int refclk, intel_clock_t *match_clock, |
848 | intel_clock_t *best_clock) | |
a0c4da24 | 849 | { |
a93e255f | 850 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 851 | struct drm_device *dev = crtc->base.dev; |
6b4bf1c4 | 852 | intel_clock_t clock; |
69e4f900 | 853 | unsigned int bestppm = 1000000; |
27e639bf VS |
854 | /* min update 19.2 MHz */ |
855 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 856 | bool found = false; |
a0c4da24 | 857 | |
6b4bf1c4 VS |
858 | target *= 5; /* fast clock */ |
859 | ||
860 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
861 | |
862 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 863 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 864 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 865 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 866 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 867 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 868 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 869 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
d5dd62bd | 870 | unsigned int ppm; |
69e4f900 | 871 | |
6b4bf1c4 VS |
872 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
873 | refclk * clock.m1); | |
874 | ||
875 | vlv_clock(refclk, &clock); | |
43b0ac53 | 876 | |
f01b7962 VS |
877 | if (!intel_PLL_is_valid(dev, limit, |
878 | &clock)) | |
43b0ac53 VS |
879 | continue; |
880 | ||
d5dd62bd ID |
881 | if (!vlv_PLL_is_optimal(dev, target, |
882 | &clock, | |
883 | best_clock, | |
884 | bestppm, &ppm)) | |
885 | continue; | |
6b4bf1c4 | 886 | |
d5dd62bd ID |
887 | *best_clock = clock; |
888 | bestppm = ppm; | |
889 | found = true; | |
a0c4da24 JB |
890 | } |
891 | } | |
892 | } | |
893 | } | |
a0c4da24 | 894 | |
49e497ef | 895 | return found; |
a0c4da24 | 896 | } |
a4fc5ed6 | 897 | |
ef9348c8 | 898 | static bool |
a93e255f ACO |
899 | chv_find_best_dpll(const intel_limit_t *limit, |
900 | struct intel_crtc_state *crtc_state, | |
ef9348c8 CML |
901 | int target, int refclk, intel_clock_t *match_clock, |
902 | intel_clock_t *best_clock) | |
903 | { | |
a93e255f | 904 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 905 | struct drm_device *dev = crtc->base.dev; |
9ca3ba01 | 906 | unsigned int best_error_ppm; |
ef9348c8 CML |
907 | intel_clock_t clock; |
908 | uint64_t m2; | |
909 | int found = false; | |
910 | ||
911 | memset(best_clock, 0, sizeof(*best_clock)); | |
9ca3ba01 | 912 | best_error_ppm = 1000000; |
ef9348c8 CML |
913 | |
914 | /* | |
915 | * Based on hardware doc, the n always set to 1, and m1 always | |
916 | * set to 2. If requires to support 200Mhz refclk, we need to | |
917 | * revisit this because n may not 1 anymore. | |
918 | */ | |
919 | clock.n = 1, clock.m1 = 2; | |
920 | target *= 5; /* fast clock */ | |
921 | ||
922 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { | |
923 | for (clock.p2 = limit->p2.p2_fast; | |
924 | clock.p2 >= limit->p2.p2_slow; | |
925 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { | |
9ca3ba01 | 926 | unsigned int error_ppm; |
ef9348c8 CML |
927 | |
928 | clock.p = clock.p1 * clock.p2; | |
929 | ||
930 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * | |
931 | clock.n) << 22, refclk * clock.m1); | |
932 | ||
933 | if (m2 > INT_MAX/clock.m1) | |
934 | continue; | |
935 | ||
936 | clock.m2 = m2; | |
937 | ||
938 | chv_clock(refclk, &clock); | |
939 | ||
940 | if (!intel_PLL_is_valid(dev, limit, &clock)) | |
941 | continue; | |
942 | ||
9ca3ba01 ID |
943 | if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock, |
944 | best_error_ppm, &error_ppm)) | |
945 | continue; | |
946 | ||
947 | *best_clock = clock; | |
948 | best_error_ppm = error_ppm; | |
949 | found = true; | |
ef9348c8 CML |
950 | } |
951 | } | |
952 | ||
953 | return found; | |
954 | } | |
955 | ||
20ddf665 VS |
956 | bool intel_crtc_active(struct drm_crtc *crtc) |
957 | { | |
958 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
959 | ||
960 | /* Be paranoid as we can arrive here with only partial | |
961 | * state retrieved from the hardware during setup. | |
962 | * | |
241bfc38 | 963 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
964 | * as Haswell has gained clock readout/fastboot support. |
965 | * | |
66e514c1 | 966 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 | 967 | * properly reconstruct framebuffers. |
c3d1f436 MR |
968 | * |
969 | * FIXME: The intel_crtc->active here should be switched to | |
970 | * crtc->state->active once we have proper CRTC states wired up | |
971 | * for atomic. | |
20ddf665 | 972 | */ |
c3d1f436 | 973 | return intel_crtc->active && crtc->primary->state->fb && |
6e3c9717 | 974 | intel_crtc->config->base.adjusted_mode.crtc_clock; |
20ddf665 VS |
975 | } |
976 | ||
a5c961d1 PZ |
977 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
978 | enum pipe pipe) | |
979 | { | |
980 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
981 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
982 | ||
6e3c9717 | 983 | return intel_crtc->config->cpu_transcoder; |
a5c961d1 PZ |
984 | } |
985 | ||
fbf49ea2 VS |
986 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
987 | { | |
988 | struct drm_i915_private *dev_priv = dev->dev_private; | |
989 | u32 reg = PIPEDSL(pipe); | |
990 | u32 line1, line2; | |
991 | u32 line_mask; | |
992 | ||
993 | if (IS_GEN2(dev)) | |
994 | line_mask = DSL_LINEMASK_GEN2; | |
995 | else | |
996 | line_mask = DSL_LINEMASK_GEN3; | |
997 | ||
998 | line1 = I915_READ(reg) & line_mask; | |
999 | mdelay(5); | |
1000 | line2 = I915_READ(reg) & line_mask; | |
1001 | ||
1002 | return line1 == line2; | |
1003 | } | |
1004 | ||
ab7ad7f6 KP |
1005 | /* |
1006 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
575f7ab7 | 1007 | * @crtc: crtc whose pipe to wait for |
9d0498a2 JB |
1008 | * |
1009 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
1010 | * spinning on the vblank interrupt status bit, since we won't actually | |
1011 | * see an interrupt when the pipe is disabled. | |
1012 | * | |
ab7ad7f6 KP |
1013 | * On Gen4 and above: |
1014 | * wait for the pipe register state bit to turn off | |
1015 | * | |
1016 | * Otherwise: | |
1017 | * wait for the display line value to settle (it usually | |
1018 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 1019 | * |
9d0498a2 | 1020 | */ |
575f7ab7 | 1021 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
9d0498a2 | 1022 | { |
575f7ab7 | 1023 | struct drm_device *dev = crtc->base.dev; |
9d0498a2 | 1024 | struct drm_i915_private *dev_priv = dev->dev_private; |
6e3c9717 | 1025 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 1026 | enum pipe pipe = crtc->pipe; |
ab7ad7f6 KP |
1027 | |
1028 | if (INTEL_INFO(dev)->gen >= 4) { | |
702e7a56 | 1029 | int reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
1030 | |
1031 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
1032 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
1033 | 100)) | |
284637d9 | 1034 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1035 | } else { |
ab7ad7f6 | 1036 | /* Wait for the display line to settle */ |
fbf49ea2 | 1037 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 1038 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1039 | } |
79e53945 JB |
1040 | } |
1041 | ||
b0ea7d37 DL |
1042 | /* |
1043 | * ibx_digital_port_connected - is the specified port connected? | |
1044 | * @dev_priv: i915 private structure | |
1045 | * @port: the port to test | |
1046 | * | |
1047 | * Returns true if @port is connected, false otherwise. | |
1048 | */ | |
1049 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, | |
1050 | struct intel_digital_port *port) | |
1051 | { | |
1052 | u32 bit; | |
1053 | ||
c36346e3 | 1054 | if (HAS_PCH_IBX(dev_priv->dev)) { |
eba905b2 | 1055 | switch (port->port) { |
c36346e3 DL |
1056 | case PORT_B: |
1057 | bit = SDE_PORTB_HOTPLUG; | |
1058 | break; | |
1059 | case PORT_C: | |
1060 | bit = SDE_PORTC_HOTPLUG; | |
1061 | break; | |
1062 | case PORT_D: | |
1063 | bit = SDE_PORTD_HOTPLUG; | |
1064 | break; | |
1065 | default: | |
1066 | return true; | |
1067 | } | |
1068 | } else { | |
eba905b2 | 1069 | switch (port->port) { |
c36346e3 DL |
1070 | case PORT_B: |
1071 | bit = SDE_PORTB_HOTPLUG_CPT; | |
1072 | break; | |
1073 | case PORT_C: | |
1074 | bit = SDE_PORTC_HOTPLUG_CPT; | |
1075 | break; | |
1076 | case PORT_D: | |
1077 | bit = SDE_PORTD_HOTPLUG_CPT; | |
1078 | break; | |
1079 | default: | |
1080 | return true; | |
1081 | } | |
b0ea7d37 DL |
1082 | } |
1083 | ||
1084 | return I915_READ(SDEISR) & bit; | |
1085 | } | |
1086 | ||
b24e7179 JB |
1087 | static const char *state_string(bool enabled) |
1088 | { | |
1089 | return enabled ? "on" : "off"; | |
1090 | } | |
1091 | ||
1092 | /* Only for pre-ILK configs */ | |
55607e8a DV |
1093 | void assert_pll(struct drm_i915_private *dev_priv, |
1094 | enum pipe pipe, bool state) | |
b24e7179 JB |
1095 | { |
1096 | int reg; | |
1097 | u32 val; | |
1098 | bool cur_state; | |
1099 | ||
1100 | reg = DPLL(pipe); | |
1101 | val = I915_READ(reg); | |
1102 | cur_state = !!(val & DPLL_VCO_ENABLE); | |
e2c719b7 | 1103 | I915_STATE_WARN(cur_state != state, |
b24e7179 JB |
1104 | "PLL state assertion failure (expected %s, current %s)\n", |
1105 | state_string(state), state_string(cur_state)); | |
1106 | } | |
b24e7179 | 1107 | |
23538ef1 JN |
1108 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1109 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) | |
1110 | { | |
1111 | u32 val; | |
1112 | bool cur_state; | |
1113 | ||
1114 | mutex_lock(&dev_priv->dpio_lock); | |
1115 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); | |
1116 | mutex_unlock(&dev_priv->dpio_lock); | |
1117 | ||
1118 | cur_state = val & DSI_PLL_VCO_EN; | |
e2c719b7 | 1119 | I915_STATE_WARN(cur_state != state, |
23538ef1 JN |
1120 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
1121 | state_string(state), state_string(cur_state)); | |
1122 | } | |
1123 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) | |
1124 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) | |
1125 | ||
55607e8a | 1126 | struct intel_shared_dpll * |
e2b78267 DV |
1127 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
1128 | { | |
1129 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
1130 | ||
6e3c9717 | 1131 | if (crtc->config->shared_dpll < 0) |
e2b78267 DV |
1132 | return NULL; |
1133 | ||
6e3c9717 | 1134 | return &dev_priv->shared_dplls[crtc->config->shared_dpll]; |
e2b78267 DV |
1135 | } |
1136 | ||
040484af | 1137 | /* For ILK+ */ |
55607e8a DV |
1138 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
1139 | struct intel_shared_dpll *pll, | |
1140 | bool state) | |
040484af | 1141 | { |
040484af | 1142 | bool cur_state; |
5358901f | 1143 | struct intel_dpll_hw_state hw_state; |
040484af | 1144 | |
92b27b08 | 1145 | if (WARN (!pll, |
46edb027 | 1146 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
ee7b9f93 | 1147 | return; |
ee7b9f93 | 1148 | |
5358901f | 1149 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
e2c719b7 | 1150 | I915_STATE_WARN(cur_state != state, |
5358901f DV |
1151 | "%s assertion failure (expected %s, current %s)\n", |
1152 | pll->name, state_string(state), state_string(cur_state)); | |
040484af | 1153 | } |
040484af JB |
1154 | |
1155 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, | |
1156 | enum pipe pipe, bool state) | |
1157 | { | |
1158 | int reg; | |
1159 | u32 val; | |
1160 | bool cur_state; | |
ad80a810 PZ |
1161 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1162 | pipe); | |
040484af | 1163 | |
affa9354 PZ |
1164 | if (HAS_DDI(dev_priv->dev)) { |
1165 | /* DDI does not have a specific FDI_TX register */ | |
ad80a810 | 1166 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
bf507ef7 | 1167 | val = I915_READ(reg); |
ad80a810 | 1168 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 ED |
1169 | } else { |
1170 | reg = FDI_TX_CTL(pipe); | |
1171 | val = I915_READ(reg); | |
1172 | cur_state = !!(val & FDI_TX_ENABLE); | |
1173 | } | |
e2c719b7 | 1174 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1175 | "FDI TX state assertion failure (expected %s, current %s)\n", |
1176 | state_string(state), state_string(cur_state)); | |
1177 | } | |
1178 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1179 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1180 | ||
1181 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1182 | enum pipe pipe, bool state) | |
1183 | { | |
1184 | int reg; | |
1185 | u32 val; | |
1186 | bool cur_state; | |
1187 | ||
d63fa0dc PZ |
1188 | reg = FDI_RX_CTL(pipe); |
1189 | val = I915_READ(reg); | |
1190 | cur_state = !!(val & FDI_RX_ENABLE); | |
e2c719b7 | 1191 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1192 | "FDI RX state assertion failure (expected %s, current %s)\n", |
1193 | state_string(state), state_string(cur_state)); | |
1194 | } | |
1195 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1196 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1197 | ||
1198 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1199 | enum pipe pipe) | |
1200 | { | |
1201 | int reg; | |
1202 | u32 val; | |
1203 | ||
1204 | /* ILK FDI PLL is always enabled */ | |
3d13ef2e | 1205 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
040484af JB |
1206 | return; |
1207 | ||
bf507ef7 | 1208 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1209 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1210 | return; |
1211 | ||
040484af JB |
1212 | reg = FDI_TX_CTL(pipe); |
1213 | val = I915_READ(reg); | |
e2c719b7 | 1214 | I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
040484af JB |
1215 | } |
1216 | ||
55607e8a DV |
1217 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1218 | enum pipe pipe, bool state) | |
040484af JB |
1219 | { |
1220 | int reg; | |
1221 | u32 val; | |
55607e8a | 1222 | bool cur_state; |
040484af JB |
1223 | |
1224 | reg = FDI_RX_CTL(pipe); | |
1225 | val = I915_READ(reg); | |
55607e8a | 1226 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
e2c719b7 | 1227 | I915_STATE_WARN(cur_state != state, |
55607e8a DV |
1228 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
1229 | state_string(state), state_string(cur_state)); | |
040484af JB |
1230 | } |
1231 | ||
b680c37a DV |
1232 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1233 | enum pipe pipe) | |
ea0760cf | 1234 | { |
bedd4dba JN |
1235 | struct drm_device *dev = dev_priv->dev; |
1236 | int pp_reg; | |
ea0760cf JB |
1237 | u32 val; |
1238 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1239 | bool locked = true; |
ea0760cf | 1240 | |
bedd4dba JN |
1241 | if (WARN_ON(HAS_DDI(dev))) |
1242 | return; | |
1243 | ||
1244 | if (HAS_PCH_SPLIT(dev)) { | |
1245 | u32 port_sel; | |
1246 | ||
ea0760cf | 1247 | pp_reg = PCH_PP_CONTROL; |
bedd4dba JN |
1248 | port_sel = I915_READ(PCH_PP_ON_DELAYS) & PANEL_PORT_SELECT_MASK; |
1249 | ||
1250 | if (port_sel == PANEL_PORT_SELECT_LVDS && | |
1251 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) | |
1252 | panel_pipe = PIPE_B; | |
1253 | /* XXX: else fix for eDP */ | |
1254 | } else if (IS_VALLEYVIEW(dev)) { | |
1255 | /* presumably write lock depends on pipe, not port select */ | |
1256 | pp_reg = VLV_PIPE_PP_CONTROL(pipe); | |
1257 | panel_pipe = pipe; | |
ea0760cf JB |
1258 | } else { |
1259 | pp_reg = PP_CONTROL; | |
bedd4dba JN |
1260 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1261 | panel_pipe = PIPE_B; | |
ea0760cf JB |
1262 | } |
1263 | ||
1264 | val = I915_READ(pp_reg); | |
1265 | if (!(val & PANEL_POWER_ON) || | |
ec49ba2d | 1266 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
ea0760cf JB |
1267 | locked = false; |
1268 | ||
e2c719b7 | 1269 | I915_STATE_WARN(panel_pipe == pipe && locked, |
ea0760cf | 1270 | "panel assertion failure, pipe %c regs locked\n", |
9db4a9c7 | 1271 | pipe_name(pipe)); |
ea0760cf JB |
1272 | } |
1273 | ||
93ce0ba6 JN |
1274 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1275 | enum pipe pipe, bool state) | |
1276 | { | |
1277 | struct drm_device *dev = dev_priv->dev; | |
1278 | bool cur_state; | |
1279 | ||
d9d82081 | 1280 | if (IS_845G(dev) || IS_I865G(dev)) |
93ce0ba6 | 1281 | cur_state = I915_READ(_CURACNTR) & CURSOR_ENABLE; |
d9d82081 | 1282 | else |
5efb3e28 | 1283 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
93ce0ba6 | 1284 | |
e2c719b7 | 1285 | I915_STATE_WARN(cur_state != state, |
93ce0ba6 JN |
1286 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
1287 | pipe_name(pipe), state_string(state), state_string(cur_state)); | |
1288 | } | |
1289 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1290 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1291 | ||
b840d907 JB |
1292 | void assert_pipe(struct drm_i915_private *dev_priv, |
1293 | enum pipe pipe, bool state) | |
b24e7179 JB |
1294 | { |
1295 | int reg; | |
1296 | u32 val; | |
63d7bbe9 | 1297 | bool cur_state; |
702e7a56 PZ |
1298 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1299 | pipe); | |
b24e7179 | 1300 | |
b6b5d049 VS |
1301 | /* if we need the pipe quirk it must be always on */ |
1302 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1303 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8e636784 DV |
1304 | state = true; |
1305 | ||
f458ebbc | 1306 | if (!intel_display_power_is_enabled(dev_priv, |
b97186f0 | 1307 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
69310161 PZ |
1308 | cur_state = false; |
1309 | } else { | |
1310 | reg = PIPECONF(cpu_transcoder); | |
1311 | val = I915_READ(reg); | |
1312 | cur_state = !!(val & PIPECONF_ENABLE); | |
1313 | } | |
1314 | ||
e2c719b7 | 1315 | I915_STATE_WARN(cur_state != state, |
63d7bbe9 | 1316 | "pipe %c assertion failure (expected %s, current %s)\n", |
9db4a9c7 | 1317 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
b24e7179 JB |
1318 | } |
1319 | ||
931872fc CW |
1320 | static void assert_plane(struct drm_i915_private *dev_priv, |
1321 | enum plane plane, bool state) | |
b24e7179 JB |
1322 | { |
1323 | int reg; | |
1324 | u32 val; | |
931872fc | 1325 | bool cur_state; |
b24e7179 JB |
1326 | |
1327 | reg = DSPCNTR(plane); | |
1328 | val = I915_READ(reg); | |
931872fc | 1329 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
e2c719b7 | 1330 | I915_STATE_WARN(cur_state != state, |
931872fc CW |
1331 | "plane %c assertion failure (expected %s, current %s)\n", |
1332 | plane_name(plane), state_string(state), state_string(cur_state)); | |
b24e7179 JB |
1333 | } |
1334 | ||
931872fc CW |
1335 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1336 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1337 | ||
b24e7179 JB |
1338 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1339 | enum pipe pipe) | |
1340 | { | |
653e1026 | 1341 | struct drm_device *dev = dev_priv->dev; |
b24e7179 JB |
1342 | int reg, i; |
1343 | u32 val; | |
1344 | int cur_pipe; | |
1345 | ||
653e1026 VS |
1346 | /* Primary planes are fixed to pipes on gen4+ */ |
1347 | if (INTEL_INFO(dev)->gen >= 4) { | |
28c05794 AJ |
1348 | reg = DSPCNTR(pipe); |
1349 | val = I915_READ(reg); | |
e2c719b7 | 1350 | I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1351 | "plane %c assertion failure, should be disabled but not\n", |
1352 | plane_name(pipe)); | |
19ec1358 | 1353 | return; |
28c05794 | 1354 | } |
19ec1358 | 1355 | |
b24e7179 | 1356 | /* Need to check both planes against the pipe */ |
055e393f | 1357 | for_each_pipe(dev_priv, i) { |
b24e7179 JB |
1358 | reg = DSPCNTR(i); |
1359 | val = I915_READ(reg); | |
1360 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
1361 | DISPPLANE_SEL_PIPE_SHIFT; | |
e2c719b7 | 1362 | I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
9db4a9c7 JB |
1363 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1364 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1365 | } |
1366 | } | |
1367 | ||
19332d7a JB |
1368 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1369 | enum pipe pipe) | |
1370 | { | |
20674eef | 1371 | struct drm_device *dev = dev_priv->dev; |
1fe47785 | 1372 | int reg, sprite; |
19332d7a JB |
1373 | u32 val; |
1374 | ||
7feb8b88 | 1375 | if (INTEL_INFO(dev)->gen >= 9) { |
3bdcfc0c | 1376 | for_each_sprite(dev_priv, pipe, sprite) { |
7feb8b88 | 1377 | val = I915_READ(PLANE_CTL(pipe, sprite)); |
e2c719b7 | 1378 | I915_STATE_WARN(val & PLANE_CTL_ENABLE, |
7feb8b88 DL |
1379 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
1380 | sprite, pipe_name(pipe)); | |
1381 | } | |
1382 | } else if (IS_VALLEYVIEW(dev)) { | |
3bdcfc0c | 1383 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 1384 | reg = SPCNTR(pipe, sprite); |
20674eef | 1385 | val = I915_READ(reg); |
e2c719b7 | 1386 | I915_STATE_WARN(val & SP_ENABLE, |
20674eef | 1387 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1388 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1389 | } |
1390 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
1391 | reg = SPRCTL(pipe); | |
19332d7a | 1392 | val = I915_READ(reg); |
e2c719b7 | 1393 | I915_STATE_WARN(val & SPRITE_ENABLE, |
06da8da2 | 1394 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1395 | plane_name(pipe), pipe_name(pipe)); |
1396 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
1397 | reg = DVSCNTR(pipe); | |
19332d7a | 1398 | val = I915_READ(reg); |
e2c719b7 | 1399 | I915_STATE_WARN(val & DVS_ENABLE, |
06da8da2 | 1400 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1401 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1402 | } |
1403 | } | |
1404 | ||
08c71e5e VS |
1405 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
1406 | { | |
e2c719b7 | 1407 | if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
08c71e5e VS |
1408 | drm_crtc_vblank_put(crtc); |
1409 | } | |
1410 | ||
89eff4be | 1411 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
92f2584a JB |
1412 | { |
1413 | u32 val; | |
1414 | bool enabled; | |
1415 | ||
e2c719b7 | 1416 | I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
9d82aa17 | 1417 | |
92f2584a JB |
1418 | val = I915_READ(PCH_DREF_CONTROL); |
1419 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | | |
1420 | DREF_SUPERSPREAD_SOURCE_MASK)); | |
e2c719b7 | 1421 | I915_STATE_WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
92f2584a JB |
1422 | } |
1423 | ||
ab9412ba DV |
1424 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1425 | enum pipe pipe) | |
92f2584a JB |
1426 | { |
1427 | int reg; | |
1428 | u32 val; | |
1429 | bool enabled; | |
1430 | ||
ab9412ba | 1431 | reg = PCH_TRANSCONF(pipe); |
92f2584a JB |
1432 | val = I915_READ(reg); |
1433 | enabled = !!(val & TRANS_ENABLE); | |
e2c719b7 | 1434 | I915_STATE_WARN(enabled, |
9db4a9c7 JB |
1435 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1436 | pipe_name(pipe)); | |
92f2584a JB |
1437 | } |
1438 | ||
4e634389 KP |
1439 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1440 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1441 | { |
1442 | if ((val & DP_PORT_EN) == 0) | |
1443 | return false; | |
1444 | ||
1445 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1446 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); | |
1447 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); | |
1448 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) | |
1449 | return false; | |
44f37d1f CML |
1450 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1451 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) | |
1452 | return false; | |
f0575e92 KP |
1453 | } else { |
1454 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1455 | return false; | |
1456 | } | |
1457 | return true; | |
1458 | } | |
1459 | ||
1519b995 KP |
1460 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1461 | enum pipe pipe, u32 val) | |
1462 | { | |
dc0fa718 | 1463 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1464 | return false; |
1465 | ||
1466 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1467 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 | 1468 | return false; |
44f37d1f CML |
1469 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1470 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) | |
1471 | return false; | |
1519b995 | 1472 | } else { |
dc0fa718 | 1473 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1474 | return false; |
1475 | } | |
1476 | return true; | |
1477 | } | |
1478 | ||
1479 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1480 | enum pipe pipe, u32 val) | |
1481 | { | |
1482 | if ((val & LVDS_PORT_EN) == 0) | |
1483 | return false; | |
1484 | ||
1485 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1486 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1487 | return false; | |
1488 | } else { | |
1489 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1490 | return false; | |
1491 | } | |
1492 | return true; | |
1493 | } | |
1494 | ||
1495 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1496 | enum pipe pipe, u32 val) | |
1497 | { | |
1498 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1499 | return false; | |
1500 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1501 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1502 | return false; | |
1503 | } else { | |
1504 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1505 | return false; | |
1506 | } | |
1507 | return true; | |
1508 | } | |
1509 | ||
291906f1 | 1510 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0575e92 | 1511 | enum pipe pipe, int reg, u32 port_sel) |
291906f1 | 1512 | { |
47a05eca | 1513 | u32 val = I915_READ(reg); |
e2c719b7 | 1514 | I915_STATE_WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1515 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1516 | reg, pipe_name(pipe)); |
de9a35ab | 1517 | |
e2c719b7 | 1518 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
75c5da27 | 1519 | && (val & DP_PIPEB_SELECT), |
de9a35ab | 1520 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1521 | } |
1522 | ||
1523 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
1524 | enum pipe pipe, int reg) | |
1525 | { | |
47a05eca | 1526 | u32 val = I915_READ(reg); |
e2c719b7 | 1527 | I915_STATE_WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1528 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1529 | reg, pipe_name(pipe)); |
de9a35ab | 1530 | |
e2c719b7 | 1531 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1532 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1533 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1534 | } |
1535 | ||
1536 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1537 | enum pipe pipe) | |
1538 | { | |
1539 | int reg; | |
1540 | u32 val; | |
291906f1 | 1541 | |
f0575e92 KP |
1542 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1543 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1544 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 JB |
1545 | |
1546 | reg = PCH_ADPA; | |
1547 | val = I915_READ(reg); | |
e2c719b7 | 1548 | I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1549 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1550 | pipe_name(pipe)); |
291906f1 JB |
1551 | |
1552 | reg = PCH_LVDS; | |
1553 | val = I915_READ(reg); | |
e2c719b7 | 1554 | I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1555 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1556 | pipe_name(pipe)); |
291906f1 | 1557 | |
e2debe91 PZ |
1558 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1559 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1560 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1561 | } |
1562 | ||
40e9cf64 JB |
1563 | static void intel_init_dpio(struct drm_device *dev) |
1564 | { | |
1565 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1566 | ||
1567 | if (!IS_VALLEYVIEW(dev)) | |
1568 | return; | |
1569 | ||
a09caddd CML |
1570 | /* |
1571 | * IOSF_PORT_DPIO is used for VLV x2 PHY (DP/HDMI B and C), | |
1572 | * CHV x1 PHY (DP/HDMI D) | |
1573 | * IOSF_PORT_DPIO_2 is used for CHV x2 PHY (DP/HDMI B and C) | |
1574 | */ | |
1575 | if (IS_CHERRYVIEW(dev)) { | |
1576 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO_2; | |
1577 | DPIO_PHY_IOSF_PORT(DPIO_PHY1) = IOSF_PORT_DPIO; | |
1578 | } else { | |
1579 | DPIO_PHY_IOSF_PORT(DPIO_PHY0) = IOSF_PORT_DPIO; | |
1580 | } | |
5382f5f3 JB |
1581 | } |
1582 | ||
d288f65f | 1583 | static void vlv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1584 | const struct intel_crtc_state *pipe_config) |
87442f73 | 1585 | { |
426115cf DV |
1586 | struct drm_device *dev = crtc->base.dev; |
1587 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1588 | int reg = DPLL(crtc->pipe); | |
d288f65f | 1589 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
87442f73 | 1590 | |
426115cf | 1591 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87442f73 DV |
1592 | |
1593 | /* No really, not for ILK+ */ | |
1594 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); | |
1595 | ||
1596 | /* PLL is protected by panel, make sure we can write it */ | |
6a9e7363 | 1597 | if (IS_MOBILE(dev_priv->dev)) |
426115cf | 1598 | assert_panel_unlocked(dev_priv, crtc->pipe); |
87442f73 | 1599 | |
426115cf DV |
1600 | I915_WRITE(reg, dpll); |
1601 | POSTING_READ(reg); | |
1602 | udelay(150); | |
1603 | ||
1604 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) | |
1605 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); | |
1606 | ||
d288f65f | 1607 | I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md); |
426115cf | 1608 | POSTING_READ(DPLL_MD(crtc->pipe)); |
87442f73 DV |
1609 | |
1610 | /* We do this three times for luck */ | |
426115cf | 1611 | I915_WRITE(reg, dpll); |
87442f73 DV |
1612 | POSTING_READ(reg); |
1613 | udelay(150); /* wait for warmup */ | |
426115cf | 1614 | I915_WRITE(reg, dpll); |
87442f73 DV |
1615 | POSTING_READ(reg); |
1616 | udelay(150); /* wait for warmup */ | |
426115cf | 1617 | I915_WRITE(reg, dpll); |
87442f73 DV |
1618 | POSTING_READ(reg); |
1619 | udelay(150); /* wait for warmup */ | |
1620 | } | |
1621 | ||
d288f65f | 1622 | static void chv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1623 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
1624 | { |
1625 | struct drm_device *dev = crtc->base.dev; | |
1626 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1627 | int pipe = crtc->pipe; | |
1628 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9d556c99 CML |
1629 | u32 tmp; |
1630 | ||
1631 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
1632 | ||
1633 | BUG_ON(!IS_CHERRYVIEW(dev_priv->dev)); | |
1634 | ||
1635 | mutex_lock(&dev_priv->dpio_lock); | |
1636 | ||
1637 | /* Enable back the 10bit clock to display controller */ | |
1638 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1639 | tmp |= DPIO_DCLKP_EN; | |
1640 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); | |
1641 | ||
1642 | /* | |
1643 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. | |
1644 | */ | |
1645 | udelay(1); | |
1646 | ||
1647 | /* Enable PLL */ | |
d288f65f | 1648 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
9d556c99 CML |
1649 | |
1650 | /* Check PLL is locked */ | |
a11b0703 | 1651 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
9d556c99 CML |
1652 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1653 | ||
a11b0703 | 1654 | /* not sure when this should be written */ |
d288f65f | 1655 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
a11b0703 VS |
1656 | POSTING_READ(DPLL_MD(pipe)); |
1657 | ||
9d556c99 CML |
1658 | mutex_unlock(&dev_priv->dpio_lock); |
1659 | } | |
1660 | ||
1c4e0274 VS |
1661 | static int intel_num_dvo_pipes(struct drm_device *dev) |
1662 | { | |
1663 | struct intel_crtc *crtc; | |
1664 | int count = 0; | |
1665 | ||
1666 | for_each_intel_crtc(dev, crtc) | |
1667 | count += crtc->active && | |
409ee761 | 1668 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO); |
1c4e0274 VS |
1669 | |
1670 | return count; | |
1671 | } | |
1672 | ||
66e3d5c0 | 1673 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1674 | { |
66e3d5c0 DV |
1675 | struct drm_device *dev = crtc->base.dev; |
1676 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1677 | int reg = DPLL(crtc->pipe); | |
6e3c9717 | 1678 | u32 dpll = crtc->config->dpll_hw_state.dpll; |
63d7bbe9 | 1679 | |
66e3d5c0 | 1680 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1681 | |
63d7bbe9 | 1682 | /* No really, not for ILK+ */ |
3d13ef2e | 1683 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
63d7bbe9 JB |
1684 | |
1685 | /* PLL is protected by panel, make sure we can write it */ | |
66e3d5c0 DV |
1686 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1687 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1688 | |
1c4e0274 VS |
1689 | /* Enable DVO 2x clock on both PLLs if necessary */ |
1690 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { | |
1691 | /* | |
1692 | * It appears to be important that we don't enable this | |
1693 | * for the current pipe before otherwise configuring the | |
1694 | * PLL. No idea how this should be handled if multiple | |
1695 | * DVO outputs are enabled simultaneosly. | |
1696 | */ | |
1697 | dpll |= DPLL_DVO_2X_MODE; | |
1698 | I915_WRITE(DPLL(!crtc->pipe), | |
1699 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); | |
1700 | } | |
66e3d5c0 DV |
1701 | |
1702 | /* Wait for the clocks to stabilize. */ | |
1703 | POSTING_READ(reg); | |
1704 | udelay(150); | |
1705 | ||
1706 | if (INTEL_INFO(dev)->gen >= 4) { | |
1707 | I915_WRITE(DPLL_MD(crtc->pipe), | |
6e3c9717 | 1708 | crtc->config->dpll_hw_state.dpll_md); |
66e3d5c0 DV |
1709 | } else { |
1710 | /* The pixel multiplier can only be updated once the | |
1711 | * DPLL is enabled and the clocks are stable. | |
1712 | * | |
1713 | * So write it again. | |
1714 | */ | |
1715 | I915_WRITE(reg, dpll); | |
1716 | } | |
63d7bbe9 JB |
1717 | |
1718 | /* We do this three times for luck */ | |
66e3d5c0 | 1719 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1720 | POSTING_READ(reg); |
1721 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1722 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1723 | POSTING_READ(reg); |
1724 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1725 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1726 | POSTING_READ(reg); |
1727 | udelay(150); /* wait for warmup */ | |
1728 | } | |
1729 | ||
1730 | /** | |
50b44a44 | 1731 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1732 | * @dev_priv: i915 private structure |
1733 | * @pipe: pipe PLL to disable | |
1734 | * | |
1735 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1736 | * | |
1737 | * Note! This is for pre-ILK only. | |
1738 | */ | |
1c4e0274 | 1739 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1740 | { |
1c4e0274 VS |
1741 | struct drm_device *dev = crtc->base.dev; |
1742 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1743 | enum pipe pipe = crtc->pipe; | |
1744 | ||
1745 | /* Disable DVO 2x clock on both PLLs if necessary */ | |
1746 | if (IS_I830(dev) && | |
409ee761 | 1747 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) && |
1c4e0274 VS |
1748 | intel_num_dvo_pipes(dev) == 1) { |
1749 | I915_WRITE(DPLL(PIPE_B), | |
1750 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); | |
1751 | I915_WRITE(DPLL(PIPE_A), | |
1752 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); | |
1753 | } | |
1754 | ||
b6b5d049 VS |
1755 | /* Don't disable pipe or pipe PLLs if needed */ |
1756 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1757 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
63d7bbe9 JB |
1758 | return; |
1759 | ||
1760 | /* Make sure the pipe isn't still relying on us */ | |
1761 | assert_pipe_disabled(dev_priv, pipe); | |
1762 | ||
50b44a44 DV |
1763 | I915_WRITE(DPLL(pipe), 0); |
1764 | POSTING_READ(DPLL(pipe)); | |
63d7bbe9 JB |
1765 | } |
1766 | ||
f6071166 JB |
1767 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1768 | { | |
1769 | u32 val = 0; | |
1770 | ||
1771 | /* Make sure the pipe isn't still relying on us */ | |
1772 | assert_pipe_disabled(dev_priv, pipe); | |
1773 | ||
e5cbfbfb ID |
1774 | /* |
1775 | * Leave integrated clock source and reference clock enabled for pipe B. | |
1776 | * The latter is needed for VGA hotplug / manual detection. | |
1777 | */ | |
f6071166 | 1778 | if (pipe == PIPE_B) |
e5cbfbfb | 1779 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REFA_CLK_ENABLE_VLV; |
f6071166 JB |
1780 | I915_WRITE(DPLL(pipe), val); |
1781 | POSTING_READ(DPLL(pipe)); | |
076ed3b2 CML |
1782 | |
1783 | } | |
1784 | ||
1785 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1786 | { | |
d752048d | 1787 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
076ed3b2 CML |
1788 | u32 val; |
1789 | ||
a11b0703 VS |
1790 | /* Make sure the pipe isn't still relying on us */ |
1791 | assert_pipe_disabled(dev_priv, pipe); | |
076ed3b2 | 1792 | |
a11b0703 | 1793 | /* Set PLL en = 0 */ |
d17ec4ce | 1794 | val = DPLL_SSC_REF_CLOCK_CHV | DPLL_REFA_CLK_ENABLE_VLV; |
a11b0703 VS |
1795 | if (pipe != PIPE_A) |
1796 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
1797 | I915_WRITE(DPLL(pipe), val); | |
1798 | POSTING_READ(DPLL(pipe)); | |
d752048d VS |
1799 | |
1800 | mutex_lock(&dev_priv->dpio_lock); | |
1801 | ||
1802 | /* Disable 10bit clock to display controller */ | |
1803 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1804 | val &= ~DPIO_DCLKP_EN; | |
1805 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); | |
1806 | ||
61407f6d VS |
1807 | /* disable left/right clock distribution */ |
1808 | if (pipe != PIPE_B) { | |
1809 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0); | |
1810 | val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK); | |
1811 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val); | |
1812 | } else { | |
1813 | val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1); | |
1814 | val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK); | |
1815 | vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val); | |
1816 | } | |
1817 | ||
d752048d | 1818 | mutex_unlock(&dev_priv->dpio_lock); |
f6071166 JB |
1819 | } |
1820 | ||
e4607fcf CML |
1821 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
1822 | struct intel_digital_port *dport) | |
89b667f8 JB |
1823 | { |
1824 | u32 port_mask; | |
00fc31b7 | 1825 | int dpll_reg; |
89b667f8 | 1826 | |
e4607fcf CML |
1827 | switch (dport->port) { |
1828 | case PORT_B: | |
89b667f8 | 1829 | port_mask = DPLL_PORTB_READY_MASK; |
00fc31b7 | 1830 | dpll_reg = DPLL(0); |
e4607fcf CML |
1831 | break; |
1832 | case PORT_C: | |
89b667f8 | 1833 | port_mask = DPLL_PORTC_READY_MASK; |
00fc31b7 CML |
1834 | dpll_reg = DPLL(0); |
1835 | break; | |
1836 | case PORT_D: | |
1837 | port_mask = DPLL_PORTD_READY_MASK; | |
1838 | dpll_reg = DPIO_PHY_STATUS; | |
e4607fcf CML |
1839 | break; |
1840 | default: | |
1841 | BUG(); | |
1842 | } | |
89b667f8 | 1843 | |
00fc31b7 | 1844 | if (wait_for((I915_READ(dpll_reg) & port_mask) == 0, 1000)) |
89b667f8 | 1845 | WARN(1, "timed out waiting for port %c ready: 0x%08x\n", |
00fc31b7 | 1846 | port_name(dport->port), I915_READ(dpll_reg)); |
89b667f8 JB |
1847 | } |
1848 | ||
b14b1055 DV |
1849 | static void intel_prepare_shared_dpll(struct intel_crtc *crtc) |
1850 | { | |
1851 | struct drm_device *dev = crtc->base.dev; | |
1852 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1853 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); | |
1854 | ||
be19f0ff CW |
1855 | if (WARN_ON(pll == NULL)) |
1856 | return; | |
1857 | ||
3e369b76 | 1858 | WARN_ON(!pll->config.crtc_mask); |
b14b1055 DV |
1859 | if (pll->active == 0) { |
1860 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); | |
1861 | WARN_ON(pll->on); | |
1862 | assert_shared_dpll_disabled(dev_priv, pll); | |
1863 | ||
1864 | pll->mode_set(dev_priv, pll); | |
1865 | } | |
1866 | } | |
1867 | ||
92f2584a | 1868 | /** |
85b3894f | 1869 | * intel_enable_shared_dpll - enable PCH PLL |
92f2584a JB |
1870 | * @dev_priv: i915 private structure |
1871 | * @pipe: pipe PLL to enable | |
1872 | * | |
1873 | * The PCH PLL needs to be enabled before the PCH transcoder, since it | |
1874 | * drives the transcoder clock. | |
1875 | */ | |
85b3894f | 1876 | static void intel_enable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1877 | { |
3d13ef2e DL |
1878 | struct drm_device *dev = crtc->base.dev; |
1879 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1880 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
92f2584a | 1881 | |
87a875bb | 1882 | if (WARN_ON(pll == NULL)) |
48da64a8 CW |
1883 | return; |
1884 | ||
3e369b76 | 1885 | if (WARN_ON(pll->config.crtc_mask == 0)) |
48da64a8 | 1886 | return; |
ee7b9f93 | 1887 | |
74dd6928 | 1888 | DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n", |
46edb027 | 1889 | pll->name, pll->active, pll->on, |
e2b78267 | 1890 | crtc->base.base.id); |
92f2584a | 1891 | |
cdbd2316 DV |
1892 | if (pll->active++) { |
1893 | WARN_ON(!pll->on); | |
e9d6944e | 1894 | assert_shared_dpll_enabled(dev_priv, pll); |
ee7b9f93 JB |
1895 | return; |
1896 | } | |
f4a091c7 | 1897 | WARN_ON(pll->on); |
ee7b9f93 | 1898 | |
bd2bb1b9 PZ |
1899 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
1900 | ||
46edb027 | 1901 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
e7b903d2 | 1902 | pll->enable(dev_priv, pll); |
ee7b9f93 | 1903 | pll->on = true; |
92f2584a JB |
1904 | } |
1905 | ||
f6daaec2 | 1906 | static void intel_disable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1907 | { |
3d13ef2e DL |
1908 | struct drm_device *dev = crtc->base.dev; |
1909 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1910 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
4c609cb8 | 1911 | |
92f2584a | 1912 | /* PCH only available on ILK+ */ |
3d13ef2e | 1913 | BUG_ON(INTEL_INFO(dev)->gen < 5); |
87a875bb | 1914 | if (WARN_ON(pll == NULL)) |
ee7b9f93 | 1915 | return; |
92f2584a | 1916 | |
3e369b76 | 1917 | if (WARN_ON(pll->config.crtc_mask == 0)) |
48da64a8 | 1918 | return; |
7a419866 | 1919 | |
46edb027 DV |
1920 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1921 | pll->name, pll->active, pll->on, | |
e2b78267 | 1922 | crtc->base.base.id); |
7a419866 | 1923 | |
48da64a8 | 1924 | if (WARN_ON(pll->active == 0)) { |
e9d6944e | 1925 | assert_shared_dpll_disabled(dev_priv, pll); |
48da64a8 CW |
1926 | return; |
1927 | } | |
1928 | ||
e9d6944e | 1929 | assert_shared_dpll_enabled(dev_priv, pll); |
f4a091c7 | 1930 | WARN_ON(!pll->on); |
cdbd2316 | 1931 | if (--pll->active) |
7a419866 | 1932 | return; |
ee7b9f93 | 1933 | |
46edb027 | 1934 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
e7b903d2 | 1935 | pll->disable(dev_priv, pll); |
ee7b9f93 | 1936 | pll->on = false; |
bd2bb1b9 PZ |
1937 | |
1938 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
92f2584a JB |
1939 | } |
1940 | ||
b8a4f404 PZ |
1941 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1942 | enum pipe pipe) | |
040484af | 1943 | { |
23670b32 | 1944 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1945 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1946 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
23670b32 | 1947 | uint32_t reg, val, pipeconf_val; |
040484af JB |
1948 | |
1949 | /* PCH only available on ILK+ */ | |
55522f37 | 1950 | BUG_ON(!HAS_PCH_SPLIT(dev)); |
040484af JB |
1951 | |
1952 | /* Make sure PCH DPLL is enabled */ | |
e72f9fbf | 1953 | assert_shared_dpll_enabled(dev_priv, |
e9d6944e | 1954 | intel_crtc_to_shared_dpll(intel_crtc)); |
040484af JB |
1955 | |
1956 | /* FDI must be feeding us bits for PCH ports */ | |
1957 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1958 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1959 | ||
23670b32 DV |
1960 | if (HAS_PCH_CPT(dev)) { |
1961 | /* Workaround: Set the timing override bit before enabling the | |
1962 | * pch transcoder. */ | |
1963 | reg = TRANS_CHICKEN2(pipe); | |
1964 | val = I915_READ(reg); | |
1965 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1966 | I915_WRITE(reg, val); | |
59c859d6 | 1967 | } |
23670b32 | 1968 | |
ab9412ba | 1969 | reg = PCH_TRANSCONF(pipe); |
040484af | 1970 | val = I915_READ(reg); |
5f7f726d | 1971 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1972 | |
1973 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
1974 | /* | |
1975 | * make the BPC in transcoder be consistent with | |
1976 | * that in pipeconf reg. | |
1977 | */ | |
dfd07d72 DV |
1978 | val &= ~PIPECONF_BPC_MASK; |
1979 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 1980 | } |
5f7f726d PZ |
1981 | |
1982 | val &= ~TRANS_INTERLACE_MASK; | |
1983 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 | 1984 | if (HAS_PCH_IBX(dev_priv->dev) && |
409ee761 | 1985 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
7c26e5c6 PZ |
1986 | val |= TRANS_LEGACY_INTERLACED_ILK; |
1987 | else | |
1988 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
1989 | else |
1990 | val |= TRANS_PROGRESSIVE; | |
1991 | ||
040484af JB |
1992 | I915_WRITE(reg, val | TRANS_ENABLE); |
1993 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 1994 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
1995 | } |
1996 | ||
8fb033d7 | 1997 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 1998 | enum transcoder cpu_transcoder) |
040484af | 1999 | { |
8fb033d7 | 2000 | u32 val, pipeconf_val; |
8fb033d7 PZ |
2001 | |
2002 | /* PCH only available on ILK+ */ | |
55522f37 | 2003 | BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev)); |
8fb033d7 | 2004 | |
8fb033d7 | 2005 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 2006 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 2007 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 2008 | |
223a6fdf PZ |
2009 | /* Workaround: set timing override bit. */ |
2010 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 2011 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf PZ |
2012 | I915_WRITE(_TRANSA_CHICKEN2, val); |
2013 | ||
25f3ef11 | 2014 | val = TRANS_ENABLE; |
937bb610 | 2015 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 2016 | |
9a76b1c6 PZ |
2017 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
2018 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 2019 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
2020 | else |
2021 | val |= TRANS_PROGRESSIVE; | |
2022 | ||
ab9412ba DV |
2023 | I915_WRITE(LPT_TRANSCONF, val); |
2024 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) | |
937bb610 | 2025 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
2026 | } |
2027 | ||
b8a4f404 PZ |
2028 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
2029 | enum pipe pipe) | |
040484af | 2030 | { |
23670b32 DV |
2031 | struct drm_device *dev = dev_priv->dev; |
2032 | uint32_t reg, val; | |
040484af JB |
2033 | |
2034 | /* FDI relies on the transcoder */ | |
2035 | assert_fdi_tx_disabled(dev_priv, pipe); | |
2036 | assert_fdi_rx_disabled(dev_priv, pipe); | |
2037 | ||
291906f1 JB |
2038 | /* Ports must be off as well */ |
2039 | assert_pch_ports_disabled(dev_priv, pipe); | |
2040 | ||
ab9412ba | 2041 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
2042 | val = I915_READ(reg); |
2043 | val &= ~TRANS_ENABLE; | |
2044 | I915_WRITE(reg, val); | |
2045 | /* wait for PCH transcoder off, transcoder state */ | |
2046 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 2047 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 DV |
2048 | |
2049 | if (!HAS_PCH_IBX(dev)) { | |
2050 | /* Workaround: Clear the timing override chicken bit again. */ | |
2051 | reg = TRANS_CHICKEN2(pipe); | |
2052 | val = I915_READ(reg); | |
2053 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
2054 | I915_WRITE(reg, val); | |
2055 | } | |
040484af JB |
2056 | } |
2057 | ||
ab4d966c | 2058 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 2059 | { |
8fb033d7 PZ |
2060 | u32 val; |
2061 | ||
ab9412ba | 2062 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 2063 | val &= ~TRANS_ENABLE; |
ab9412ba | 2064 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 2065 | /* wait for PCH transcoder off, transcoder state */ |
ab9412ba | 2066 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
8a52fd9f | 2067 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
2068 | |
2069 | /* Workaround: clear timing override bit. */ | |
2070 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 2071 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf | 2072 | I915_WRITE(_TRANSA_CHICKEN2, val); |
040484af JB |
2073 | } |
2074 | ||
b24e7179 | 2075 | /** |
309cfea8 | 2076 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 2077 | * @crtc: crtc responsible for the pipe |
b24e7179 | 2078 | * |
0372264a | 2079 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 2080 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 2081 | */ |
e1fdc473 | 2082 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2083 | { |
0372264a PZ |
2084 | struct drm_device *dev = crtc->base.dev; |
2085 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2086 | enum pipe pipe = crtc->pipe; | |
702e7a56 PZ |
2087 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2088 | pipe); | |
1a240d4d | 2089 | enum pipe pch_transcoder; |
b24e7179 JB |
2090 | int reg; |
2091 | u32 val; | |
2092 | ||
58c6eaa2 | 2093 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 2094 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
2095 | assert_sprites_disabled(dev_priv, pipe); |
2096 | ||
681e5811 | 2097 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
2098 | pch_transcoder = TRANSCODER_A; |
2099 | else | |
2100 | pch_transcoder = pipe; | |
2101 | ||
b24e7179 JB |
2102 | /* |
2103 | * A pipe without a PLL won't actually be able to drive bits from | |
2104 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
2105 | * need the check. | |
2106 | */ | |
2107 | if (!HAS_PCH_SPLIT(dev_priv->dev)) | |
409ee761 | 2108 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
23538ef1 JN |
2109 | assert_dsi_pll_enabled(dev_priv); |
2110 | else | |
2111 | assert_pll_enabled(dev_priv, pipe); | |
040484af | 2112 | else { |
6e3c9717 | 2113 | if (crtc->config->has_pch_encoder) { |
040484af | 2114 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 2115 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
2116 | assert_fdi_tx_pll_enabled(dev_priv, |
2117 | (enum pipe) cpu_transcoder); | |
040484af JB |
2118 | } |
2119 | /* FIXME: assert CPU port conditions for SNB+ */ | |
2120 | } | |
b24e7179 | 2121 | |
702e7a56 | 2122 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2123 | val = I915_READ(reg); |
7ad25d48 | 2124 | if (val & PIPECONF_ENABLE) { |
b6b5d049 VS |
2125 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
2126 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); | |
00d70b15 | 2127 | return; |
7ad25d48 | 2128 | } |
00d70b15 CW |
2129 | |
2130 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 2131 | POSTING_READ(reg); |
b24e7179 JB |
2132 | } |
2133 | ||
2134 | /** | |
309cfea8 | 2135 | * intel_disable_pipe - disable a pipe, asserting requirements |
575f7ab7 | 2136 | * @crtc: crtc whose pipes is to be disabled |
b24e7179 | 2137 | * |
575f7ab7 VS |
2138 | * Disable the pipe of @crtc, making sure that various hardware |
2139 | * specific requirements are met, if applicable, e.g. plane | |
2140 | * disabled, panel fitter off, etc. | |
b24e7179 JB |
2141 | * |
2142 | * Will wait until the pipe has shut down before returning. | |
2143 | */ | |
575f7ab7 | 2144 | static void intel_disable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2145 | { |
575f7ab7 | 2146 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
6e3c9717 | 2147 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 2148 | enum pipe pipe = crtc->pipe; |
b24e7179 JB |
2149 | int reg; |
2150 | u32 val; | |
2151 | ||
2152 | /* | |
2153 | * Make sure planes won't keep trying to pump pixels to us, | |
2154 | * or we might hang the display. | |
2155 | */ | |
2156 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 2157 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 2158 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 | 2159 | |
702e7a56 | 2160 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2161 | val = I915_READ(reg); |
00d70b15 CW |
2162 | if ((val & PIPECONF_ENABLE) == 0) |
2163 | return; | |
2164 | ||
67adc644 VS |
2165 | /* |
2166 | * Double wide has implications for planes | |
2167 | * so best keep it disabled when not needed. | |
2168 | */ | |
6e3c9717 | 2169 | if (crtc->config->double_wide) |
67adc644 VS |
2170 | val &= ~PIPECONF_DOUBLE_WIDE; |
2171 | ||
2172 | /* Don't disable pipe or pipe PLLs if needed */ | |
b6b5d049 VS |
2173 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
2174 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
67adc644 VS |
2175 | val &= ~PIPECONF_ENABLE; |
2176 | ||
2177 | I915_WRITE(reg, val); | |
2178 | if ((val & PIPECONF_ENABLE) == 0) | |
2179 | intel_wait_for_pipe_off(crtc); | |
b24e7179 JB |
2180 | } |
2181 | ||
d74362c9 KP |
2182 | /* |
2183 | * Plane regs are double buffered, going from enabled->disabled needs a | |
2184 | * trigger in order to latch. The display address reg provides this. | |
2185 | */ | |
1dba99f4 VS |
2186 | void intel_flush_primary_plane(struct drm_i915_private *dev_priv, |
2187 | enum plane plane) | |
d74362c9 | 2188 | { |
3d13ef2e DL |
2189 | struct drm_device *dev = dev_priv->dev; |
2190 | u32 reg = INTEL_INFO(dev)->gen >= 4 ? DSPSURF(plane) : DSPADDR(plane); | |
1dba99f4 VS |
2191 | |
2192 | I915_WRITE(reg, I915_READ(reg)); | |
2193 | POSTING_READ(reg); | |
d74362c9 KP |
2194 | } |
2195 | ||
b24e7179 | 2196 | /** |
262ca2b0 | 2197 | * intel_enable_primary_hw_plane - enable the primary plane on a given pipe |
fdd508a6 VS |
2198 | * @plane: plane to be enabled |
2199 | * @crtc: crtc for the plane | |
b24e7179 | 2200 | * |
fdd508a6 | 2201 | * Enable @plane on @crtc, making sure that the pipe is running first. |
b24e7179 | 2202 | */ |
fdd508a6 VS |
2203 | static void intel_enable_primary_hw_plane(struct drm_plane *plane, |
2204 | struct drm_crtc *crtc) | |
b24e7179 | 2205 | { |
fdd508a6 VS |
2206 | struct drm_device *dev = plane->dev; |
2207 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2208 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b24e7179 JB |
2209 | |
2210 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ | |
fdd508a6 | 2211 | assert_pipe_enabled(dev_priv, intel_crtc->pipe); |
b24e7179 | 2212 | |
98ec7739 VS |
2213 | if (intel_crtc->primary_enabled) |
2214 | return; | |
0037f71c | 2215 | |
4c445e0e | 2216 | intel_crtc->primary_enabled = true; |
939c2fe8 | 2217 | |
fdd508a6 VS |
2218 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
2219 | crtc->x, crtc->y); | |
33c3b0d1 VS |
2220 | |
2221 | /* | |
2222 | * BDW signals flip done immediately if the plane | |
2223 | * is disabled, even if the plane enable is already | |
2224 | * armed to occur at the next vblank :( | |
2225 | */ | |
2226 | if (IS_BROADWELL(dev)) | |
2227 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
b24e7179 JB |
2228 | } |
2229 | ||
b24e7179 | 2230 | /** |
262ca2b0 | 2231 | * intel_disable_primary_hw_plane - disable the primary hardware plane |
fdd508a6 VS |
2232 | * @plane: plane to be disabled |
2233 | * @crtc: crtc for the plane | |
b24e7179 | 2234 | * |
fdd508a6 | 2235 | * Disable @plane on @crtc, making sure that the pipe is running first. |
b24e7179 | 2236 | */ |
fdd508a6 VS |
2237 | static void intel_disable_primary_hw_plane(struct drm_plane *plane, |
2238 | struct drm_crtc *crtc) | |
b24e7179 | 2239 | { |
fdd508a6 VS |
2240 | struct drm_device *dev = plane->dev; |
2241 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2242 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2243 | ||
32b7eeec MR |
2244 | if (WARN_ON(!intel_crtc->active)) |
2245 | return; | |
b24e7179 | 2246 | |
98ec7739 VS |
2247 | if (!intel_crtc->primary_enabled) |
2248 | return; | |
0037f71c | 2249 | |
4c445e0e | 2250 | intel_crtc->primary_enabled = false; |
939c2fe8 | 2251 | |
fdd508a6 VS |
2252 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
2253 | crtc->x, crtc->y); | |
b24e7179 JB |
2254 | } |
2255 | ||
693db184 CW |
2256 | static bool need_vtd_wa(struct drm_device *dev) |
2257 | { | |
2258 | #ifdef CONFIG_INTEL_IOMMU | |
2259 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
2260 | return true; | |
2261 | #endif | |
2262 | return false; | |
2263 | } | |
2264 | ||
50470bb0 | 2265 | unsigned int |
6761dd31 TU |
2266 | intel_tile_height(struct drm_device *dev, uint32_t pixel_format, |
2267 | uint64_t fb_format_modifier) | |
a57ce0b2 | 2268 | { |
6761dd31 TU |
2269 | unsigned int tile_height; |
2270 | uint32_t pixel_bytes; | |
a57ce0b2 | 2271 | |
b5d0e9bf DL |
2272 | switch (fb_format_modifier) { |
2273 | case DRM_FORMAT_MOD_NONE: | |
2274 | tile_height = 1; | |
2275 | break; | |
2276 | case I915_FORMAT_MOD_X_TILED: | |
2277 | tile_height = IS_GEN2(dev) ? 16 : 8; | |
2278 | break; | |
2279 | case I915_FORMAT_MOD_Y_TILED: | |
2280 | tile_height = 32; | |
2281 | break; | |
2282 | case I915_FORMAT_MOD_Yf_TILED: | |
6761dd31 TU |
2283 | pixel_bytes = drm_format_plane_cpp(pixel_format, 0); |
2284 | switch (pixel_bytes) { | |
b5d0e9bf | 2285 | default: |
6761dd31 | 2286 | case 1: |
b5d0e9bf DL |
2287 | tile_height = 64; |
2288 | break; | |
6761dd31 TU |
2289 | case 2: |
2290 | case 4: | |
b5d0e9bf DL |
2291 | tile_height = 32; |
2292 | break; | |
6761dd31 | 2293 | case 8: |
b5d0e9bf DL |
2294 | tile_height = 16; |
2295 | break; | |
6761dd31 | 2296 | case 16: |
b5d0e9bf DL |
2297 | WARN_ONCE(1, |
2298 | "128-bit pixels are not supported for display!"); | |
2299 | tile_height = 16; | |
2300 | break; | |
2301 | } | |
2302 | break; | |
2303 | default: | |
2304 | MISSING_CASE(fb_format_modifier); | |
2305 | tile_height = 1; | |
2306 | break; | |
2307 | } | |
091df6cb | 2308 | |
6761dd31 TU |
2309 | return tile_height; |
2310 | } | |
2311 | ||
2312 | unsigned int | |
2313 | intel_fb_align_height(struct drm_device *dev, unsigned int height, | |
2314 | uint32_t pixel_format, uint64_t fb_format_modifier) | |
2315 | { | |
2316 | return ALIGN(height, intel_tile_height(dev, pixel_format, | |
2317 | fb_format_modifier)); | |
a57ce0b2 JB |
2318 | } |
2319 | ||
f64b98cd TU |
2320 | static int |
2321 | intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb, | |
2322 | const struct drm_plane_state *plane_state) | |
2323 | { | |
50470bb0 | 2324 | struct intel_rotation_info *info = &view->rotation_info; |
50470bb0 | 2325 | |
f64b98cd TU |
2326 | *view = i915_ggtt_view_normal; |
2327 | ||
50470bb0 TU |
2328 | if (!plane_state) |
2329 | return 0; | |
2330 | ||
121920fa | 2331 | if (!intel_rotation_90_or_270(plane_state->rotation)) |
50470bb0 TU |
2332 | return 0; |
2333 | ||
9abc4648 | 2334 | *view = i915_ggtt_view_rotated; |
50470bb0 TU |
2335 | |
2336 | info->height = fb->height; | |
2337 | info->pixel_format = fb->pixel_format; | |
2338 | info->pitch = fb->pitches[0]; | |
2339 | info->fb_modifier = fb->modifier[0]; | |
2340 | ||
2341 | if (!(info->fb_modifier == I915_FORMAT_MOD_Y_TILED || | |
2342 | info->fb_modifier == I915_FORMAT_MOD_Yf_TILED)) { | |
2343 | DRM_DEBUG_KMS( | |
2344 | "Y or Yf tiling is needed for 90/270 rotation!\n"); | |
2345 | return -EINVAL; | |
2346 | } | |
2347 | ||
f64b98cd TU |
2348 | return 0; |
2349 | } | |
2350 | ||
127bd2ac | 2351 | int |
850c4cdc TU |
2352 | intel_pin_and_fence_fb_obj(struct drm_plane *plane, |
2353 | struct drm_framebuffer *fb, | |
82bc3b2d | 2354 | const struct drm_plane_state *plane_state, |
a4872ba6 | 2355 | struct intel_engine_cs *pipelined) |
6b95a207 | 2356 | { |
850c4cdc | 2357 | struct drm_device *dev = fb->dev; |
ce453d81 | 2358 | struct drm_i915_private *dev_priv = dev->dev_private; |
850c4cdc | 2359 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2360 | struct i915_ggtt_view view; |
6b95a207 KH |
2361 | u32 alignment; |
2362 | int ret; | |
2363 | ||
ebcdd39e MR |
2364 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2365 | ||
7b911adc TU |
2366 | switch (fb->modifier[0]) { |
2367 | case DRM_FORMAT_MOD_NONE: | |
1fada4cc DL |
2368 | if (INTEL_INFO(dev)->gen >= 9) |
2369 | alignment = 256 * 1024; | |
2370 | else if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) | |
534843da | 2371 | alignment = 128 * 1024; |
a6c45cf0 | 2372 | else if (INTEL_INFO(dev)->gen >= 4) |
534843da CW |
2373 | alignment = 4 * 1024; |
2374 | else | |
2375 | alignment = 64 * 1024; | |
6b95a207 | 2376 | break; |
7b911adc | 2377 | case I915_FORMAT_MOD_X_TILED: |
1fada4cc DL |
2378 | if (INTEL_INFO(dev)->gen >= 9) |
2379 | alignment = 256 * 1024; | |
2380 | else { | |
2381 | /* pin() will align the object as required by fence */ | |
2382 | alignment = 0; | |
2383 | } | |
6b95a207 | 2384 | break; |
7b911adc | 2385 | case I915_FORMAT_MOD_Y_TILED: |
1327b9a1 DL |
2386 | case I915_FORMAT_MOD_Yf_TILED: |
2387 | if (WARN_ONCE(INTEL_INFO(dev)->gen < 9, | |
2388 | "Y tiling bo slipped through, driver bug!\n")) | |
2389 | return -EINVAL; | |
2390 | alignment = 1 * 1024 * 1024; | |
2391 | break; | |
6b95a207 | 2392 | default: |
7b911adc TU |
2393 | MISSING_CASE(fb->modifier[0]); |
2394 | return -EINVAL; | |
6b95a207 KH |
2395 | } |
2396 | ||
f64b98cd TU |
2397 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2398 | if (ret) | |
2399 | return ret; | |
2400 | ||
693db184 CW |
2401 | /* Note that the w/a also requires 64 PTE of padding following the |
2402 | * bo. We currently fill all unused PTE with the shadow page and so | |
2403 | * we should always have valid PTE following the scanout preventing | |
2404 | * the VT-d warning. | |
2405 | */ | |
2406 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
2407 | alignment = 256 * 1024; | |
2408 | ||
d6dd6843 PZ |
2409 | /* |
2410 | * Global gtt pte registers are special registers which actually forward | |
2411 | * writes to a chunk of system memory. Which means that there is no risk | |
2412 | * that the register values disappear as soon as we call | |
2413 | * intel_runtime_pm_put(), so it is correct to wrap only the | |
2414 | * pin/unpin/fence and not more. | |
2415 | */ | |
2416 | intel_runtime_pm_get(dev_priv); | |
2417 | ||
ce453d81 | 2418 | dev_priv->mm.interruptible = false; |
e6617330 | 2419 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined, |
f64b98cd | 2420 | &view); |
48b956c5 | 2421 | if (ret) |
ce453d81 | 2422 | goto err_interruptible; |
6b95a207 KH |
2423 | |
2424 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
2425 | * fence, whereas 965+ only requires a fence if using | |
2426 | * framebuffer compression. For simplicity, we always install | |
2427 | * a fence as the cost is not that onerous. | |
2428 | */ | |
06d98131 | 2429 | ret = i915_gem_object_get_fence(obj); |
9a5a53b3 CW |
2430 | if (ret) |
2431 | goto err_unpin; | |
1690e1eb | 2432 | |
9a5a53b3 | 2433 | i915_gem_object_pin_fence(obj); |
6b95a207 | 2434 | |
ce453d81 | 2435 | dev_priv->mm.interruptible = true; |
d6dd6843 | 2436 | intel_runtime_pm_put(dev_priv); |
6b95a207 | 2437 | return 0; |
48b956c5 CW |
2438 | |
2439 | err_unpin: | |
f64b98cd | 2440 | i915_gem_object_unpin_from_display_plane(obj, &view); |
ce453d81 CW |
2441 | err_interruptible: |
2442 | dev_priv->mm.interruptible = true; | |
d6dd6843 | 2443 | intel_runtime_pm_put(dev_priv); |
48b956c5 | 2444 | return ret; |
6b95a207 KH |
2445 | } |
2446 | ||
82bc3b2d TU |
2447 | static void intel_unpin_fb_obj(struct drm_framebuffer *fb, |
2448 | const struct drm_plane_state *plane_state) | |
1690e1eb | 2449 | { |
82bc3b2d | 2450 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd TU |
2451 | struct i915_ggtt_view view; |
2452 | int ret; | |
82bc3b2d | 2453 | |
ebcdd39e MR |
2454 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2455 | ||
f64b98cd TU |
2456 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2457 | WARN_ONCE(ret, "Couldn't get view from plane state!"); | |
2458 | ||
1690e1eb | 2459 | i915_gem_object_unpin_fence(obj); |
f64b98cd | 2460 | i915_gem_object_unpin_from_display_plane(obj, &view); |
1690e1eb CW |
2461 | } |
2462 | ||
c2c75131 DV |
2463 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2464 | * is assumed to be a power-of-two. */ | |
bc752862 CW |
2465 | unsigned long intel_gen4_compute_page_offset(int *x, int *y, |
2466 | unsigned int tiling_mode, | |
2467 | unsigned int cpp, | |
2468 | unsigned int pitch) | |
c2c75131 | 2469 | { |
bc752862 CW |
2470 | if (tiling_mode != I915_TILING_NONE) { |
2471 | unsigned int tile_rows, tiles; | |
c2c75131 | 2472 | |
bc752862 CW |
2473 | tile_rows = *y / 8; |
2474 | *y %= 8; | |
c2c75131 | 2475 | |
bc752862 CW |
2476 | tiles = *x / (512/cpp); |
2477 | *x %= 512/cpp; | |
2478 | ||
2479 | return tile_rows * pitch * 8 + tiles * 4096; | |
2480 | } else { | |
2481 | unsigned int offset; | |
2482 | ||
2483 | offset = *y * pitch + *x * cpp; | |
2484 | *y = 0; | |
2485 | *x = (offset & 4095) / cpp; | |
2486 | return offset & -4096; | |
2487 | } | |
c2c75131 DV |
2488 | } |
2489 | ||
b35d63fa | 2490 | static int i9xx_format_to_fourcc(int format) |
46f297fb JB |
2491 | { |
2492 | switch (format) { | |
2493 | case DISPPLANE_8BPP: | |
2494 | return DRM_FORMAT_C8; | |
2495 | case DISPPLANE_BGRX555: | |
2496 | return DRM_FORMAT_XRGB1555; | |
2497 | case DISPPLANE_BGRX565: | |
2498 | return DRM_FORMAT_RGB565; | |
2499 | default: | |
2500 | case DISPPLANE_BGRX888: | |
2501 | return DRM_FORMAT_XRGB8888; | |
2502 | case DISPPLANE_RGBX888: | |
2503 | return DRM_FORMAT_XBGR8888; | |
2504 | case DISPPLANE_BGRX101010: | |
2505 | return DRM_FORMAT_XRGB2101010; | |
2506 | case DISPPLANE_RGBX101010: | |
2507 | return DRM_FORMAT_XBGR2101010; | |
2508 | } | |
2509 | } | |
2510 | ||
bc8d7dff DL |
2511 | static int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) |
2512 | { | |
2513 | switch (format) { | |
2514 | case PLANE_CTL_FORMAT_RGB_565: | |
2515 | return DRM_FORMAT_RGB565; | |
2516 | default: | |
2517 | case PLANE_CTL_FORMAT_XRGB_8888: | |
2518 | if (rgb_order) { | |
2519 | if (alpha) | |
2520 | return DRM_FORMAT_ABGR8888; | |
2521 | else | |
2522 | return DRM_FORMAT_XBGR8888; | |
2523 | } else { | |
2524 | if (alpha) | |
2525 | return DRM_FORMAT_ARGB8888; | |
2526 | else | |
2527 | return DRM_FORMAT_XRGB8888; | |
2528 | } | |
2529 | case PLANE_CTL_FORMAT_XRGB_2101010: | |
2530 | if (rgb_order) | |
2531 | return DRM_FORMAT_XBGR2101010; | |
2532 | else | |
2533 | return DRM_FORMAT_XRGB2101010; | |
2534 | } | |
2535 | } | |
2536 | ||
5724dbd1 | 2537 | static bool |
f6936e29 DV |
2538 | intel_alloc_initial_plane_obj(struct intel_crtc *crtc, |
2539 | struct intel_initial_plane_config *plane_config) | |
46f297fb JB |
2540 | { |
2541 | struct drm_device *dev = crtc->base.dev; | |
2542 | struct drm_i915_gem_object *obj = NULL; | |
2543 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2d14030b | 2544 | struct drm_framebuffer *fb = &plane_config->fb->base; |
f37b5c2b DV |
2545 | u32 base_aligned = round_down(plane_config->base, PAGE_SIZE); |
2546 | u32 size_aligned = round_up(plane_config->base + plane_config->size, | |
2547 | PAGE_SIZE); | |
2548 | ||
2549 | size_aligned -= base_aligned; | |
46f297fb | 2550 | |
ff2652ea CW |
2551 | if (plane_config->size == 0) |
2552 | return false; | |
2553 | ||
f37b5c2b DV |
2554 | obj = i915_gem_object_create_stolen_for_preallocated(dev, |
2555 | base_aligned, | |
2556 | base_aligned, | |
2557 | size_aligned); | |
46f297fb | 2558 | if (!obj) |
484b41dd | 2559 | return false; |
46f297fb | 2560 | |
49af449b DL |
2561 | obj->tiling_mode = plane_config->tiling; |
2562 | if (obj->tiling_mode == I915_TILING_X) | |
6bf129df | 2563 | obj->stride = fb->pitches[0]; |
46f297fb | 2564 | |
6bf129df DL |
2565 | mode_cmd.pixel_format = fb->pixel_format; |
2566 | mode_cmd.width = fb->width; | |
2567 | mode_cmd.height = fb->height; | |
2568 | mode_cmd.pitches[0] = fb->pitches[0]; | |
18c5247e DV |
2569 | mode_cmd.modifier[0] = fb->modifier[0]; |
2570 | mode_cmd.flags = DRM_MODE_FB_MODIFIERS; | |
46f297fb JB |
2571 | |
2572 | mutex_lock(&dev->struct_mutex); | |
6bf129df | 2573 | if (intel_framebuffer_init(dev, to_intel_framebuffer(fb), |
484b41dd | 2574 | &mode_cmd, obj)) { |
46f297fb JB |
2575 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2576 | goto out_unref_obj; | |
2577 | } | |
46f297fb | 2578 | mutex_unlock(&dev->struct_mutex); |
484b41dd | 2579 | |
f6936e29 | 2580 | DRM_DEBUG_KMS("initial plane fb obj %p\n", obj); |
484b41dd | 2581 | return true; |
46f297fb JB |
2582 | |
2583 | out_unref_obj: | |
2584 | drm_gem_object_unreference(&obj->base); | |
2585 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2586 | return false; |
2587 | } | |
2588 | ||
afd65eb4 MR |
2589 | /* Update plane->state->fb to match plane->fb after driver-internal updates */ |
2590 | static void | |
2591 | update_state_fb(struct drm_plane *plane) | |
2592 | { | |
2593 | if (plane->fb == plane->state->fb) | |
2594 | return; | |
2595 | ||
2596 | if (plane->state->fb) | |
2597 | drm_framebuffer_unreference(plane->state->fb); | |
2598 | plane->state->fb = plane->fb; | |
2599 | if (plane->state->fb) | |
2600 | drm_framebuffer_reference(plane->state->fb); | |
2601 | } | |
2602 | ||
5724dbd1 | 2603 | static void |
f6936e29 DV |
2604 | intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, |
2605 | struct intel_initial_plane_config *plane_config) | |
484b41dd JB |
2606 | { |
2607 | struct drm_device *dev = intel_crtc->base.dev; | |
d9ceb816 | 2608 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd JB |
2609 | struct drm_crtc *c; |
2610 | struct intel_crtc *i; | |
2ff8fde1 | 2611 | struct drm_i915_gem_object *obj; |
88595ac9 DV |
2612 | struct drm_plane *primary = intel_crtc->base.primary; |
2613 | struct drm_framebuffer *fb; | |
484b41dd | 2614 | |
2d14030b | 2615 | if (!plane_config->fb) |
484b41dd JB |
2616 | return; |
2617 | ||
f6936e29 | 2618 | if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) { |
88595ac9 DV |
2619 | fb = &plane_config->fb->base; |
2620 | goto valid_fb; | |
f55548b5 | 2621 | } |
484b41dd | 2622 | |
2d14030b | 2623 | kfree(plane_config->fb); |
484b41dd JB |
2624 | |
2625 | /* | |
2626 | * Failed to alloc the obj, check to see if we should share | |
2627 | * an fb with another CRTC instead | |
2628 | */ | |
70e1e0ec | 2629 | for_each_crtc(dev, c) { |
484b41dd JB |
2630 | i = to_intel_crtc(c); |
2631 | ||
2632 | if (c == &intel_crtc->base) | |
2633 | continue; | |
2634 | ||
2ff8fde1 MR |
2635 | if (!i->active) |
2636 | continue; | |
2637 | ||
88595ac9 DV |
2638 | fb = c->primary->fb; |
2639 | if (!fb) | |
484b41dd JB |
2640 | continue; |
2641 | ||
88595ac9 | 2642 | obj = intel_fb_obj(fb); |
2ff8fde1 | 2643 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
88595ac9 DV |
2644 | drm_framebuffer_reference(fb); |
2645 | goto valid_fb; | |
484b41dd JB |
2646 | } |
2647 | } | |
88595ac9 DV |
2648 | |
2649 | return; | |
2650 | ||
2651 | valid_fb: | |
2652 | obj = intel_fb_obj(fb); | |
2653 | if (obj->tiling_mode != I915_TILING_NONE) | |
2654 | dev_priv->preserve_bios_swizzle = true; | |
2655 | ||
2656 | primary->fb = fb; | |
2657 | primary->state->crtc = &intel_crtc->base; | |
2658 | primary->crtc = &intel_crtc->base; | |
2659 | update_state_fb(primary); | |
2660 | obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); | |
46f297fb JB |
2661 | } |
2662 | ||
29b9bde6 DV |
2663 | static void i9xx_update_primary_plane(struct drm_crtc *crtc, |
2664 | struct drm_framebuffer *fb, | |
2665 | int x, int y) | |
81255565 JB |
2666 | { |
2667 | struct drm_device *dev = crtc->dev; | |
2668 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2669 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
c9ba6fad | 2670 | struct drm_i915_gem_object *obj; |
81255565 | 2671 | int plane = intel_crtc->plane; |
e506a0c6 | 2672 | unsigned long linear_offset; |
81255565 | 2673 | u32 dspcntr; |
f45651ba | 2674 | u32 reg = DSPCNTR(plane); |
48404c1e | 2675 | int pixel_size; |
f45651ba | 2676 | |
fdd508a6 VS |
2677 | if (!intel_crtc->primary_enabled) { |
2678 | I915_WRITE(reg, 0); | |
2679 | if (INTEL_INFO(dev)->gen >= 4) | |
2680 | I915_WRITE(DSPSURF(plane), 0); | |
2681 | else | |
2682 | I915_WRITE(DSPADDR(plane), 0); | |
2683 | POSTING_READ(reg); | |
2684 | return; | |
2685 | } | |
2686 | ||
c9ba6fad VS |
2687 | obj = intel_fb_obj(fb); |
2688 | if (WARN_ON(obj == NULL)) | |
2689 | return; | |
2690 | ||
2691 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2692 | ||
f45651ba VS |
2693 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2694 | ||
fdd508a6 | 2695 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2696 | |
2697 | if (INTEL_INFO(dev)->gen < 4) { | |
2698 | if (intel_crtc->pipe == PIPE_B) | |
2699 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
2700 | ||
2701 | /* pipesrc and dspsize control the size that is scaled from, | |
2702 | * which should always be the user's requested size. | |
2703 | */ | |
2704 | I915_WRITE(DSPSIZE(plane), | |
6e3c9717 ACO |
2705 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2706 | (intel_crtc->config->pipe_src_w - 1)); | |
f45651ba | 2707 | I915_WRITE(DSPPOS(plane), 0); |
c14b0485 VS |
2708 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
2709 | I915_WRITE(PRIMSIZE(plane), | |
6e3c9717 ACO |
2710 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2711 | (intel_crtc->config->pipe_src_w - 1)); | |
c14b0485 VS |
2712 | I915_WRITE(PRIMPOS(plane), 0); |
2713 | I915_WRITE(PRIMCNSTALPHA(plane), 0); | |
f45651ba | 2714 | } |
81255565 | 2715 | |
57779d06 VS |
2716 | switch (fb->pixel_format) { |
2717 | case DRM_FORMAT_C8: | |
81255565 JB |
2718 | dspcntr |= DISPPLANE_8BPP; |
2719 | break; | |
57779d06 VS |
2720 | case DRM_FORMAT_XRGB1555: |
2721 | case DRM_FORMAT_ARGB1555: | |
2722 | dspcntr |= DISPPLANE_BGRX555; | |
81255565 | 2723 | break; |
57779d06 VS |
2724 | case DRM_FORMAT_RGB565: |
2725 | dspcntr |= DISPPLANE_BGRX565; | |
2726 | break; | |
2727 | case DRM_FORMAT_XRGB8888: | |
2728 | case DRM_FORMAT_ARGB8888: | |
2729 | dspcntr |= DISPPLANE_BGRX888; | |
2730 | break; | |
2731 | case DRM_FORMAT_XBGR8888: | |
2732 | case DRM_FORMAT_ABGR8888: | |
2733 | dspcntr |= DISPPLANE_RGBX888; | |
2734 | break; | |
2735 | case DRM_FORMAT_XRGB2101010: | |
2736 | case DRM_FORMAT_ARGB2101010: | |
2737 | dspcntr |= DISPPLANE_BGRX101010; | |
2738 | break; | |
2739 | case DRM_FORMAT_XBGR2101010: | |
2740 | case DRM_FORMAT_ABGR2101010: | |
2741 | dspcntr |= DISPPLANE_RGBX101010; | |
81255565 JB |
2742 | break; |
2743 | default: | |
baba133a | 2744 | BUG(); |
81255565 | 2745 | } |
57779d06 | 2746 | |
f45651ba VS |
2747 | if (INTEL_INFO(dev)->gen >= 4 && |
2748 | obj->tiling_mode != I915_TILING_NONE) | |
2749 | dspcntr |= DISPPLANE_TILED; | |
81255565 | 2750 | |
de1aa629 VS |
2751 | if (IS_G4X(dev)) |
2752 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2753 | ||
b9897127 | 2754 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
81255565 | 2755 | |
c2c75131 DV |
2756 | if (INTEL_INFO(dev)->gen >= 4) { |
2757 | intel_crtc->dspaddr_offset = | |
bc752862 | 2758 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
b9897127 | 2759 | pixel_size, |
bc752862 | 2760 | fb->pitches[0]); |
c2c75131 DV |
2761 | linear_offset -= intel_crtc->dspaddr_offset; |
2762 | } else { | |
e506a0c6 | 2763 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2764 | } |
e506a0c6 | 2765 | |
8e7d688b | 2766 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2767 | dspcntr |= DISPPLANE_ROTATE_180; |
2768 | ||
6e3c9717 ACO |
2769 | x += (intel_crtc->config->pipe_src_w - 1); |
2770 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2771 | |
2772 | /* Finding the last pixel of the last line of the display | |
2773 | data and adding to linear_offset*/ | |
2774 | linear_offset += | |
6e3c9717 ACO |
2775 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2776 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2777 | } |
2778 | ||
2779 | I915_WRITE(reg, dspcntr); | |
2780 | ||
01f2c773 | 2781 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2782 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d DV |
2783 | I915_WRITE(DSPSURF(plane), |
2784 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
5eddb70b | 2785 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2786 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2787 | } else |
f343c5f6 | 2788 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
5eddb70b | 2789 | POSTING_READ(reg); |
17638cd6 JB |
2790 | } |
2791 | ||
29b9bde6 DV |
2792 | static void ironlake_update_primary_plane(struct drm_crtc *crtc, |
2793 | struct drm_framebuffer *fb, | |
2794 | int x, int y) | |
17638cd6 JB |
2795 | { |
2796 | struct drm_device *dev = crtc->dev; | |
2797 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2798 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
c9ba6fad | 2799 | struct drm_i915_gem_object *obj; |
17638cd6 | 2800 | int plane = intel_crtc->plane; |
e506a0c6 | 2801 | unsigned long linear_offset; |
17638cd6 | 2802 | u32 dspcntr; |
f45651ba | 2803 | u32 reg = DSPCNTR(plane); |
48404c1e | 2804 | int pixel_size; |
f45651ba | 2805 | |
fdd508a6 VS |
2806 | if (!intel_crtc->primary_enabled) { |
2807 | I915_WRITE(reg, 0); | |
2808 | I915_WRITE(DSPSURF(plane), 0); | |
2809 | POSTING_READ(reg); | |
2810 | return; | |
2811 | } | |
2812 | ||
c9ba6fad VS |
2813 | obj = intel_fb_obj(fb); |
2814 | if (WARN_ON(obj == NULL)) | |
2815 | return; | |
2816 | ||
2817 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2818 | ||
f45651ba VS |
2819 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2820 | ||
fdd508a6 | 2821 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2822 | |
2823 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
2824 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; | |
17638cd6 | 2825 | |
57779d06 VS |
2826 | switch (fb->pixel_format) { |
2827 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2828 | dspcntr |= DISPPLANE_8BPP; |
2829 | break; | |
57779d06 VS |
2830 | case DRM_FORMAT_RGB565: |
2831 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2832 | break; |
57779d06 VS |
2833 | case DRM_FORMAT_XRGB8888: |
2834 | case DRM_FORMAT_ARGB8888: | |
2835 | dspcntr |= DISPPLANE_BGRX888; | |
2836 | break; | |
2837 | case DRM_FORMAT_XBGR8888: | |
2838 | case DRM_FORMAT_ABGR8888: | |
2839 | dspcntr |= DISPPLANE_RGBX888; | |
2840 | break; | |
2841 | case DRM_FORMAT_XRGB2101010: | |
2842 | case DRM_FORMAT_ARGB2101010: | |
2843 | dspcntr |= DISPPLANE_BGRX101010; | |
2844 | break; | |
2845 | case DRM_FORMAT_XBGR2101010: | |
2846 | case DRM_FORMAT_ABGR2101010: | |
2847 | dspcntr |= DISPPLANE_RGBX101010; | |
17638cd6 JB |
2848 | break; |
2849 | default: | |
baba133a | 2850 | BUG(); |
17638cd6 JB |
2851 | } |
2852 | ||
2853 | if (obj->tiling_mode != I915_TILING_NONE) | |
2854 | dspcntr |= DISPPLANE_TILED; | |
17638cd6 | 2855 | |
f45651ba | 2856 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
1f5d76db | 2857 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
17638cd6 | 2858 | |
b9897127 | 2859 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
c2c75131 | 2860 | intel_crtc->dspaddr_offset = |
bc752862 | 2861 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
b9897127 | 2862 | pixel_size, |
bc752862 | 2863 | fb->pitches[0]); |
c2c75131 | 2864 | linear_offset -= intel_crtc->dspaddr_offset; |
8e7d688b | 2865 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2866 | dspcntr |= DISPPLANE_ROTATE_180; |
2867 | ||
2868 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { | |
6e3c9717 ACO |
2869 | x += (intel_crtc->config->pipe_src_w - 1); |
2870 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2871 | |
2872 | /* Finding the last pixel of the last line of the display | |
2873 | data and adding to linear_offset*/ | |
2874 | linear_offset += | |
6e3c9717 ACO |
2875 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2876 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2877 | } |
2878 | } | |
2879 | ||
2880 | I915_WRITE(reg, dspcntr); | |
17638cd6 | 2881 | |
01f2c773 | 2882 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d DV |
2883 | I915_WRITE(DSPSURF(plane), |
2884 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
b3dc685e | 2885 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
2886 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2887 | } else { | |
2888 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2889 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2890 | } | |
17638cd6 | 2891 | POSTING_READ(reg); |
17638cd6 JB |
2892 | } |
2893 | ||
b321803d DL |
2894 | u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier, |
2895 | uint32_t pixel_format) | |
2896 | { | |
2897 | u32 bits_per_pixel = drm_format_plane_cpp(pixel_format, 0) * 8; | |
2898 | ||
2899 | /* | |
2900 | * The stride is either expressed as a multiple of 64 bytes | |
2901 | * chunks for linear buffers or in number of tiles for tiled | |
2902 | * buffers. | |
2903 | */ | |
2904 | switch (fb_modifier) { | |
2905 | case DRM_FORMAT_MOD_NONE: | |
2906 | return 64; | |
2907 | case I915_FORMAT_MOD_X_TILED: | |
2908 | if (INTEL_INFO(dev)->gen == 2) | |
2909 | return 128; | |
2910 | return 512; | |
2911 | case I915_FORMAT_MOD_Y_TILED: | |
2912 | /* No need to check for old gens and Y tiling since this is | |
2913 | * about the display engine and those will be blocked before | |
2914 | * we get here. | |
2915 | */ | |
2916 | return 128; | |
2917 | case I915_FORMAT_MOD_Yf_TILED: | |
2918 | if (bits_per_pixel == 8) | |
2919 | return 64; | |
2920 | else | |
2921 | return 128; | |
2922 | default: | |
2923 | MISSING_CASE(fb_modifier); | |
2924 | return 64; | |
2925 | } | |
2926 | } | |
2927 | ||
121920fa TU |
2928 | unsigned long intel_plane_obj_offset(struct intel_plane *intel_plane, |
2929 | struct drm_i915_gem_object *obj) | |
2930 | { | |
9abc4648 | 2931 | const struct i915_ggtt_view *view = &i915_ggtt_view_normal; |
121920fa TU |
2932 | |
2933 | if (intel_rotation_90_or_270(intel_plane->base.state->rotation)) | |
9abc4648 | 2934 | view = &i915_ggtt_view_rotated; |
121920fa TU |
2935 | |
2936 | return i915_gem_obj_ggtt_offset_view(obj, view); | |
2937 | } | |
2938 | ||
70d21f0e DL |
2939 | static void skylake_update_primary_plane(struct drm_crtc *crtc, |
2940 | struct drm_framebuffer *fb, | |
2941 | int x, int y) | |
2942 | { | |
2943 | struct drm_device *dev = crtc->dev; | |
2944 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2945 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
70d21f0e DL |
2946 | struct drm_i915_gem_object *obj; |
2947 | int pipe = intel_crtc->pipe; | |
b321803d | 2948 | u32 plane_ctl, stride_div; |
121920fa | 2949 | unsigned long surf_addr; |
70d21f0e DL |
2950 | |
2951 | if (!intel_crtc->primary_enabled) { | |
2952 | I915_WRITE(PLANE_CTL(pipe, 0), 0); | |
2953 | I915_WRITE(PLANE_SURF(pipe, 0), 0); | |
2954 | POSTING_READ(PLANE_CTL(pipe, 0)); | |
2955 | return; | |
2956 | } | |
2957 | ||
2958 | plane_ctl = PLANE_CTL_ENABLE | | |
2959 | PLANE_CTL_PIPE_GAMMA_ENABLE | | |
2960 | PLANE_CTL_PIPE_CSC_ENABLE; | |
2961 | ||
2962 | switch (fb->pixel_format) { | |
2963 | case DRM_FORMAT_RGB565: | |
2964 | plane_ctl |= PLANE_CTL_FORMAT_RGB_565; | |
2965 | break; | |
2966 | case DRM_FORMAT_XRGB8888: | |
2967 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; | |
2968 | break; | |
f75fb42a JN |
2969 | case DRM_FORMAT_ARGB8888: |
2970 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; | |
2971 | plane_ctl |= PLANE_CTL_ALPHA_SW_PREMULTIPLY; | |
2972 | break; | |
70d21f0e DL |
2973 | case DRM_FORMAT_XBGR8888: |
2974 | plane_ctl |= PLANE_CTL_ORDER_RGBX; | |
2975 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; | |
2976 | break; | |
f75fb42a JN |
2977 | case DRM_FORMAT_ABGR8888: |
2978 | plane_ctl |= PLANE_CTL_ORDER_RGBX; | |
2979 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_8888; | |
2980 | plane_ctl |= PLANE_CTL_ALPHA_SW_PREMULTIPLY; | |
2981 | break; | |
70d21f0e DL |
2982 | case DRM_FORMAT_XRGB2101010: |
2983 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_2101010; | |
2984 | break; | |
2985 | case DRM_FORMAT_XBGR2101010: | |
2986 | plane_ctl |= PLANE_CTL_ORDER_RGBX; | |
2987 | plane_ctl |= PLANE_CTL_FORMAT_XRGB_2101010; | |
2988 | break; | |
2989 | default: | |
2990 | BUG(); | |
2991 | } | |
2992 | ||
30af77c4 DV |
2993 | switch (fb->modifier[0]) { |
2994 | case DRM_FORMAT_MOD_NONE: | |
70d21f0e | 2995 | break; |
30af77c4 | 2996 | case I915_FORMAT_MOD_X_TILED: |
70d21f0e | 2997 | plane_ctl |= PLANE_CTL_TILED_X; |
b321803d DL |
2998 | break; |
2999 | case I915_FORMAT_MOD_Y_TILED: | |
3000 | plane_ctl |= PLANE_CTL_TILED_Y; | |
3001 | break; | |
3002 | case I915_FORMAT_MOD_Yf_TILED: | |
3003 | plane_ctl |= PLANE_CTL_TILED_YF; | |
70d21f0e DL |
3004 | break; |
3005 | default: | |
b321803d | 3006 | MISSING_CASE(fb->modifier[0]); |
70d21f0e DL |
3007 | } |
3008 | ||
3009 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; | |
8e7d688b | 3010 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) |
1447dde0 | 3011 | plane_ctl |= PLANE_CTL_ROTATE_180; |
70d21f0e | 3012 | |
b321803d DL |
3013 | obj = intel_fb_obj(fb); |
3014 | stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], | |
3015 | fb->pixel_format); | |
121920fa | 3016 | surf_addr = intel_plane_obj_offset(to_intel_plane(crtc->primary), obj); |
b321803d | 3017 | |
70d21f0e | 3018 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
70d21f0e DL |
3019 | I915_WRITE(PLANE_POS(pipe, 0), 0); |
3020 | I915_WRITE(PLANE_OFFSET(pipe, 0), (y << 16) | x); | |
3021 | I915_WRITE(PLANE_SIZE(pipe, 0), | |
6e3c9717 ACO |
3022 | (intel_crtc->config->pipe_src_h - 1) << 16 | |
3023 | (intel_crtc->config->pipe_src_w - 1)); | |
b321803d | 3024 | I915_WRITE(PLANE_STRIDE(pipe, 0), fb->pitches[0] / stride_div); |
121920fa | 3025 | I915_WRITE(PLANE_SURF(pipe, 0), surf_addr); |
70d21f0e DL |
3026 | |
3027 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3028 | } | |
3029 | ||
17638cd6 JB |
3030 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
3031 | static int | |
3032 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
3033 | int x, int y, enum mode_set_atomic state) | |
3034 | { | |
3035 | struct drm_device *dev = crtc->dev; | |
3036 | struct drm_i915_private *dev_priv = dev->dev_private; | |
17638cd6 | 3037 | |
6b8e6ed0 CW |
3038 | if (dev_priv->display.disable_fbc) |
3039 | dev_priv->display.disable_fbc(dev); | |
81255565 | 3040 | |
29b9bde6 DV |
3041 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
3042 | ||
3043 | return 0; | |
81255565 JB |
3044 | } |
3045 | ||
7514747d | 3046 | static void intel_complete_page_flips(struct drm_device *dev) |
96a02917 | 3047 | { |
96a02917 VS |
3048 | struct drm_crtc *crtc; |
3049 | ||
70e1e0ec | 3050 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3051 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3052 | enum plane plane = intel_crtc->plane; | |
3053 | ||
3054 | intel_prepare_page_flip(dev, plane); | |
3055 | intel_finish_page_flip_plane(dev, plane); | |
3056 | } | |
7514747d VS |
3057 | } |
3058 | ||
3059 | static void intel_update_primary_planes(struct drm_device *dev) | |
3060 | { | |
3061 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3062 | struct drm_crtc *crtc; | |
96a02917 | 3063 | |
70e1e0ec | 3064 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3065 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3066 | ||
51fd371b | 3067 | drm_modeset_lock(&crtc->mutex, NULL); |
947fdaad CW |
3068 | /* |
3069 | * FIXME: Once we have proper support for primary planes (and | |
3070 | * disabling them without disabling the entire crtc) allow again | |
66e514c1 | 3071 | * a NULL crtc->primary->fb. |
947fdaad | 3072 | */ |
f4510a27 | 3073 | if (intel_crtc->active && crtc->primary->fb) |
262ca2b0 | 3074 | dev_priv->display.update_primary_plane(crtc, |
66e514c1 | 3075 | crtc->primary->fb, |
262ca2b0 MR |
3076 | crtc->x, |
3077 | crtc->y); | |
51fd371b | 3078 | drm_modeset_unlock(&crtc->mutex); |
96a02917 VS |
3079 | } |
3080 | } | |
3081 | ||
7514747d VS |
3082 | void intel_prepare_reset(struct drm_device *dev) |
3083 | { | |
f98ce92f VS |
3084 | struct drm_i915_private *dev_priv = to_i915(dev); |
3085 | struct intel_crtc *crtc; | |
3086 | ||
7514747d VS |
3087 | /* no reset support for gen2 */ |
3088 | if (IS_GEN2(dev)) | |
3089 | return; | |
3090 | ||
3091 | /* reset doesn't touch the display */ | |
3092 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
3093 | return; | |
3094 | ||
3095 | drm_modeset_lock_all(dev); | |
f98ce92f VS |
3096 | |
3097 | /* | |
3098 | * Disabling the crtcs gracefully seems nicer. Also the | |
3099 | * g33 docs say we should at least disable all the planes. | |
3100 | */ | |
3101 | for_each_intel_crtc(dev, crtc) { | |
3102 | if (crtc->active) | |
3103 | dev_priv->display.crtc_disable(&crtc->base); | |
3104 | } | |
7514747d VS |
3105 | } |
3106 | ||
3107 | void intel_finish_reset(struct drm_device *dev) | |
3108 | { | |
3109 | struct drm_i915_private *dev_priv = to_i915(dev); | |
3110 | ||
3111 | /* | |
3112 | * Flips in the rings will be nuked by the reset, | |
3113 | * so complete all pending flips so that user space | |
3114 | * will get its events and not get stuck. | |
3115 | */ | |
3116 | intel_complete_page_flips(dev); | |
3117 | ||
3118 | /* no reset support for gen2 */ | |
3119 | if (IS_GEN2(dev)) | |
3120 | return; | |
3121 | ||
3122 | /* reset doesn't touch the display */ | |
3123 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) { | |
3124 | /* | |
3125 | * Flips in the rings have been nuked by the reset, | |
3126 | * so update the base address of all primary | |
3127 | * planes to the the last fb to make sure we're | |
3128 | * showing the correct fb after a reset. | |
3129 | */ | |
3130 | intel_update_primary_planes(dev); | |
3131 | return; | |
3132 | } | |
3133 | ||
3134 | /* | |
3135 | * The display has been reset as well, | |
3136 | * so need a full re-initialization. | |
3137 | */ | |
3138 | intel_runtime_pm_disable_interrupts(dev_priv); | |
3139 | intel_runtime_pm_enable_interrupts(dev_priv); | |
3140 | ||
3141 | intel_modeset_init_hw(dev); | |
3142 | ||
3143 | spin_lock_irq(&dev_priv->irq_lock); | |
3144 | if (dev_priv->display.hpd_irq_setup) | |
3145 | dev_priv->display.hpd_irq_setup(dev); | |
3146 | spin_unlock_irq(&dev_priv->irq_lock); | |
3147 | ||
3148 | intel_modeset_setup_hw_state(dev, true); | |
3149 | ||
3150 | intel_hpd_init(dev_priv); | |
3151 | ||
3152 | drm_modeset_unlock_all(dev); | |
3153 | } | |
3154 | ||
14667a4b CW |
3155 | static int |
3156 | intel_finish_fb(struct drm_framebuffer *old_fb) | |
3157 | { | |
2ff8fde1 | 3158 | struct drm_i915_gem_object *obj = intel_fb_obj(old_fb); |
14667a4b CW |
3159 | struct drm_i915_private *dev_priv = obj->base.dev->dev_private; |
3160 | bool was_interruptible = dev_priv->mm.interruptible; | |
3161 | int ret; | |
3162 | ||
14667a4b CW |
3163 | /* Big Hammer, we also need to ensure that any pending |
3164 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
3165 | * current scanout is retired before unpinning the old | |
3166 | * framebuffer. | |
3167 | * | |
3168 | * This should only fail upon a hung GPU, in which case we | |
3169 | * can safely continue. | |
3170 | */ | |
3171 | dev_priv->mm.interruptible = false; | |
3172 | ret = i915_gem_object_finish_gpu(obj); | |
3173 | dev_priv->mm.interruptible = was_interruptible; | |
3174 | ||
3175 | return ret; | |
3176 | } | |
3177 | ||
7d5e3799 CW |
3178 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
3179 | { | |
3180 | struct drm_device *dev = crtc->dev; | |
3181 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3182 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7d5e3799 CW |
3183 | bool pending; |
3184 | ||
3185 | if (i915_reset_in_progress(&dev_priv->gpu_error) || | |
3186 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
3187 | return false; | |
3188 | ||
5e2d7afc | 3189 | spin_lock_irq(&dev->event_lock); |
7d5e3799 | 3190 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
5e2d7afc | 3191 | spin_unlock_irq(&dev->event_lock); |
7d5e3799 CW |
3192 | |
3193 | return pending; | |
3194 | } | |
3195 | ||
e30e8f75 GP |
3196 | static void intel_update_pipe_size(struct intel_crtc *crtc) |
3197 | { | |
3198 | struct drm_device *dev = crtc->base.dev; | |
3199 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3200 | const struct drm_display_mode *adjusted_mode; | |
3201 | ||
3202 | if (!i915.fastboot) | |
3203 | return; | |
3204 | ||
3205 | /* | |
3206 | * Update pipe size and adjust fitter if needed: the reason for this is | |
3207 | * that in compute_mode_changes we check the native mode (not the pfit | |
3208 | * mode) to see if we can flip rather than do a full mode set. In the | |
3209 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
3210 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
3211 | * sized surface. | |
3212 | * | |
3213 | * To fix this properly, we need to hoist the checks up into | |
3214 | * compute_mode_changes (or above), check the actual pfit state and | |
3215 | * whether the platform allows pfit disable with pipe active, and only | |
3216 | * then update the pipesrc and pfit state, even on the flip path. | |
3217 | */ | |
3218 | ||
6e3c9717 | 3219 | adjusted_mode = &crtc->config->base.adjusted_mode; |
e30e8f75 GP |
3220 | |
3221 | I915_WRITE(PIPESRC(crtc->pipe), | |
3222 | ((adjusted_mode->crtc_hdisplay - 1) << 16) | | |
3223 | (adjusted_mode->crtc_vdisplay - 1)); | |
6e3c9717 | 3224 | if (!crtc->config->pch_pfit.enabled && |
409ee761 ACO |
3225 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
3226 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { | |
e30e8f75 GP |
3227 | I915_WRITE(PF_CTL(crtc->pipe), 0); |
3228 | I915_WRITE(PF_WIN_POS(crtc->pipe), 0); | |
3229 | I915_WRITE(PF_WIN_SZ(crtc->pipe), 0); | |
3230 | } | |
6e3c9717 ACO |
3231 | crtc->config->pipe_src_w = adjusted_mode->crtc_hdisplay; |
3232 | crtc->config->pipe_src_h = adjusted_mode->crtc_vdisplay; | |
e30e8f75 GP |
3233 | } |
3234 | ||
5e84e1a4 ZW |
3235 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3236 | { | |
3237 | struct drm_device *dev = crtc->dev; | |
3238 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3239 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3240 | int pipe = intel_crtc->pipe; | |
3241 | u32 reg, temp; | |
3242 | ||
3243 | /* enable normal train */ | |
3244 | reg = FDI_TX_CTL(pipe); | |
3245 | temp = I915_READ(reg); | |
61e499bf | 3246 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
3247 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3248 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
3249 | } else { |
3250 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3251 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 3252 | } |
5e84e1a4 ZW |
3253 | I915_WRITE(reg, temp); |
3254 | ||
3255 | reg = FDI_RX_CTL(pipe); | |
3256 | temp = I915_READ(reg); | |
3257 | if (HAS_PCH_CPT(dev)) { | |
3258 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3259 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
3260 | } else { | |
3261 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3262 | temp |= FDI_LINK_TRAIN_NONE; | |
3263 | } | |
3264 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
3265 | ||
3266 | /* wait one idle pattern time */ | |
3267 | POSTING_READ(reg); | |
3268 | udelay(1000); | |
357555c0 JB |
3269 | |
3270 | /* IVB wants error correction enabled */ | |
3271 | if (IS_IVYBRIDGE(dev)) | |
3272 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
3273 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
3274 | } |
3275 | ||
8db9d77b ZW |
3276 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3277 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
3278 | { | |
3279 | struct drm_device *dev = crtc->dev; | |
3280 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3281 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3282 | int pipe = intel_crtc->pipe; | |
5eddb70b | 3283 | u32 reg, temp, tries; |
8db9d77b | 3284 | |
1c8562f6 | 3285 | /* FDI needs bits from pipe first */ |
0fc932b8 | 3286 | assert_pipe_enabled(dev_priv, pipe); |
0fc932b8 | 3287 | |
e1a44743 AJ |
3288 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3289 | for train result */ | |
5eddb70b CW |
3290 | reg = FDI_RX_IMR(pipe); |
3291 | temp = I915_READ(reg); | |
e1a44743 AJ |
3292 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3293 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3294 | I915_WRITE(reg, temp); |
3295 | I915_READ(reg); | |
e1a44743 AJ |
3296 | udelay(150); |
3297 | ||
8db9d77b | 3298 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3299 | reg = FDI_TX_CTL(pipe); |
3300 | temp = I915_READ(reg); | |
627eb5a3 | 3301 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3302 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3303 | temp &= ~FDI_LINK_TRAIN_NONE; |
3304 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 3305 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3306 | |
5eddb70b CW |
3307 | reg = FDI_RX_CTL(pipe); |
3308 | temp = I915_READ(reg); | |
8db9d77b ZW |
3309 | temp &= ~FDI_LINK_TRAIN_NONE; |
3310 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
3311 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3312 | ||
3313 | POSTING_READ(reg); | |
8db9d77b ZW |
3314 | udelay(150); |
3315 | ||
5b2adf89 | 3316 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
3317 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3318 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
3319 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 3320 | |
5eddb70b | 3321 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3322 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3323 | temp = I915_READ(reg); |
8db9d77b ZW |
3324 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3325 | ||
3326 | if ((temp & FDI_RX_BIT_LOCK)) { | |
3327 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 3328 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
3329 | break; |
3330 | } | |
8db9d77b | 3331 | } |
e1a44743 | 3332 | if (tries == 5) |
5eddb70b | 3333 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3334 | |
3335 | /* Train 2 */ | |
5eddb70b CW |
3336 | reg = FDI_TX_CTL(pipe); |
3337 | temp = I915_READ(reg); | |
8db9d77b ZW |
3338 | temp &= ~FDI_LINK_TRAIN_NONE; |
3339 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3340 | I915_WRITE(reg, temp); |
8db9d77b | 3341 | |
5eddb70b CW |
3342 | reg = FDI_RX_CTL(pipe); |
3343 | temp = I915_READ(reg); | |
8db9d77b ZW |
3344 | temp &= ~FDI_LINK_TRAIN_NONE; |
3345 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3346 | I915_WRITE(reg, temp); |
8db9d77b | 3347 | |
5eddb70b CW |
3348 | POSTING_READ(reg); |
3349 | udelay(150); | |
8db9d77b | 3350 | |
5eddb70b | 3351 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3352 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3353 | temp = I915_READ(reg); |
8db9d77b ZW |
3354 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3355 | ||
3356 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 3357 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
3358 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3359 | break; | |
3360 | } | |
8db9d77b | 3361 | } |
e1a44743 | 3362 | if (tries == 5) |
5eddb70b | 3363 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3364 | |
3365 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 3366 | |
8db9d77b ZW |
3367 | } |
3368 | ||
0206e353 | 3369 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
3370 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3371 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
3372 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
3373 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
3374 | }; | |
3375 | ||
3376 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
3377 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
3378 | { | |
3379 | struct drm_device *dev = crtc->dev; | |
3380 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3381 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3382 | int pipe = intel_crtc->pipe; | |
fa37d39e | 3383 | u32 reg, temp, i, retry; |
8db9d77b | 3384 | |
e1a44743 AJ |
3385 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3386 | for train result */ | |
5eddb70b CW |
3387 | reg = FDI_RX_IMR(pipe); |
3388 | temp = I915_READ(reg); | |
e1a44743 AJ |
3389 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3390 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3391 | I915_WRITE(reg, temp); |
3392 | ||
3393 | POSTING_READ(reg); | |
e1a44743 AJ |
3394 | udelay(150); |
3395 | ||
8db9d77b | 3396 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3397 | reg = FDI_TX_CTL(pipe); |
3398 | temp = I915_READ(reg); | |
627eb5a3 | 3399 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3400 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3401 | temp &= ~FDI_LINK_TRAIN_NONE; |
3402 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3403 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3404 | /* SNB-B */ | |
3405 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 3406 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3407 | |
d74cf324 DV |
3408 | I915_WRITE(FDI_RX_MISC(pipe), |
3409 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
3410 | ||
5eddb70b CW |
3411 | reg = FDI_RX_CTL(pipe); |
3412 | temp = I915_READ(reg); | |
8db9d77b ZW |
3413 | if (HAS_PCH_CPT(dev)) { |
3414 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3415 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3416 | } else { | |
3417 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3418 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3419 | } | |
5eddb70b CW |
3420 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3421 | ||
3422 | POSTING_READ(reg); | |
8db9d77b ZW |
3423 | udelay(150); |
3424 | ||
0206e353 | 3425 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3426 | reg = FDI_TX_CTL(pipe); |
3427 | temp = I915_READ(reg); | |
8db9d77b ZW |
3428 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3429 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3430 | I915_WRITE(reg, temp); |
3431 | ||
3432 | POSTING_READ(reg); | |
8db9d77b ZW |
3433 | udelay(500); |
3434 | ||
fa37d39e SP |
3435 | for (retry = 0; retry < 5; retry++) { |
3436 | reg = FDI_RX_IIR(pipe); | |
3437 | temp = I915_READ(reg); | |
3438 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3439 | if (temp & FDI_RX_BIT_LOCK) { | |
3440 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3441 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
3442 | break; | |
3443 | } | |
3444 | udelay(50); | |
8db9d77b | 3445 | } |
fa37d39e SP |
3446 | if (retry < 5) |
3447 | break; | |
8db9d77b ZW |
3448 | } |
3449 | if (i == 4) | |
5eddb70b | 3450 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3451 | |
3452 | /* Train 2 */ | |
5eddb70b CW |
3453 | reg = FDI_TX_CTL(pipe); |
3454 | temp = I915_READ(reg); | |
8db9d77b ZW |
3455 | temp &= ~FDI_LINK_TRAIN_NONE; |
3456 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3457 | if (IS_GEN6(dev)) { | |
3458 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3459 | /* SNB-B */ | |
3460 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
3461 | } | |
5eddb70b | 3462 | I915_WRITE(reg, temp); |
8db9d77b | 3463 | |
5eddb70b CW |
3464 | reg = FDI_RX_CTL(pipe); |
3465 | temp = I915_READ(reg); | |
8db9d77b ZW |
3466 | if (HAS_PCH_CPT(dev)) { |
3467 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3468 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
3469 | } else { | |
3470 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3471 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3472 | } | |
5eddb70b CW |
3473 | I915_WRITE(reg, temp); |
3474 | ||
3475 | POSTING_READ(reg); | |
8db9d77b ZW |
3476 | udelay(150); |
3477 | ||
0206e353 | 3478 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3479 | reg = FDI_TX_CTL(pipe); |
3480 | temp = I915_READ(reg); | |
8db9d77b ZW |
3481 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3482 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3483 | I915_WRITE(reg, temp); |
3484 | ||
3485 | POSTING_READ(reg); | |
8db9d77b ZW |
3486 | udelay(500); |
3487 | ||
fa37d39e SP |
3488 | for (retry = 0; retry < 5; retry++) { |
3489 | reg = FDI_RX_IIR(pipe); | |
3490 | temp = I915_READ(reg); | |
3491 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3492 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
3493 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3494 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
3495 | break; | |
3496 | } | |
3497 | udelay(50); | |
8db9d77b | 3498 | } |
fa37d39e SP |
3499 | if (retry < 5) |
3500 | break; | |
8db9d77b ZW |
3501 | } |
3502 | if (i == 4) | |
5eddb70b | 3503 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3504 | |
3505 | DRM_DEBUG_KMS("FDI train done.\n"); | |
3506 | } | |
3507 | ||
357555c0 JB |
3508 | /* Manual link training for Ivy Bridge A0 parts */ |
3509 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
3510 | { | |
3511 | struct drm_device *dev = crtc->dev; | |
3512 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3513 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3514 | int pipe = intel_crtc->pipe; | |
139ccd3f | 3515 | u32 reg, temp, i, j; |
357555c0 JB |
3516 | |
3517 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
3518 | for train result */ | |
3519 | reg = FDI_RX_IMR(pipe); | |
3520 | temp = I915_READ(reg); | |
3521 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
3522 | temp &= ~FDI_RX_BIT_LOCK; | |
3523 | I915_WRITE(reg, temp); | |
3524 | ||
3525 | POSTING_READ(reg); | |
3526 | udelay(150); | |
3527 | ||
01a415fd DV |
3528 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3529 | I915_READ(FDI_RX_IIR(pipe))); | |
3530 | ||
139ccd3f JB |
3531 | /* Try each vswing and preemphasis setting twice before moving on */ |
3532 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
3533 | /* disable first in case we need to retry */ | |
3534 | reg = FDI_TX_CTL(pipe); | |
3535 | temp = I915_READ(reg); | |
3536 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
3537 | temp &= ~FDI_TX_ENABLE; | |
3538 | I915_WRITE(reg, temp); | |
357555c0 | 3539 | |
139ccd3f JB |
3540 | reg = FDI_RX_CTL(pipe); |
3541 | temp = I915_READ(reg); | |
3542 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
3543 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3544 | temp &= ~FDI_RX_ENABLE; | |
3545 | I915_WRITE(reg, temp); | |
357555c0 | 3546 | |
139ccd3f | 3547 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
3548 | reg = FDI_TX_CTL(pipe); |
3549 | temp = I915_READ(reg); | |
139ccd3f | 3550 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3551 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
139ccd3f | 3552 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
357555c0 | 3553 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
3554 | temp |= snb_b_fdi_train_param[j/2]; |
3555 | temp |= FDI_COMPOSITE_SYNC; | |
3556 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 3557 | |
139ccd3f JB |
3558 | I915_WRITE(FDI_RX_MISC(pipe), |
3559 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 3560 | |
139ccd3f | 3561 | reg = FDI_RX_CTL(pipe); |
357555c0 | 3562 | temp = I915_READ(reg); |
139ccd3f JB |
3563 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3564 | temp |= FDI_COMPOSITE_SYNC; | |
3565 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 3566 | |
139ccd3f JB |
3567 | POSTING_READ(reg); |
3568 | udelay(1); /* should be 0.5us */ | |
357555c0 | 3569 | |
139ccd3f JB |
3570 | for (i = 0; i < 4; i++) { |
3571 | reg = FDI_RX_IIR(pipe); | |
3572 | temp = I915_READ(reg); | |
3573 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3574 | |
139ccd3f JB |
3575 | if (temp & FDI_RX_BIT_LOCK || |
3576 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
3577 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3578 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
3579 | i); | |
3580 | break; | |
3581 | } | |
3582 | udelay(1); /* should be 0.5us */ | |
3583 | } | |
3584 | if (i == 4) { | |
3585 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
3586 | continue; | |
3587 | } | |
357555c0 | 3588 | |
139ccd3f | 3589 | /* Train 2 */ |
357555c0 JB |
3590 | reg = FDI_TX_CTL(pipe); |
3591 | temp = I915_READ(reg); | |
139ccd3f JB |
3592 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3593 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
3594 | I915_WRITE(reg, temp); | |
3595 | ||
3596 | reg = FDI_RX_CTL(pipe); | |
3597 | temp = I915_READ(reg); | |
3598 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3599 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
3600 | I915_WRITE(reg, temp); |
3601 | ||
3602 | POSTING_READ(reg); | |
139ccd3f | 3603 | udelay(2); /* should be 1.5us */ |
357555c0 | 3604 | |
139ccd3f JB |
3605 | for (i = 0; i < 4; i++) { |
3606 | reg = FDI_RX_IIR(pipe); | |
3607 | temp = I915_READ(reg); | |
3608 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3609 | |
139ccd3f JB |
3610 | if (temp & FDI_RX_SYMBOL_LOCK || |
3611 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
3612 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3613 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
3614 | i); | |
3615 | goto train_done; | |
3616 | } | |
3617 | udelay(2); /* should be 1.5us */ | |
357555c0 | 3618 | } |
139ccd3f JB |
3619 | if (i == 4) |
3620 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 3621 | } |
357555c0 | 3622 | |
139ccd3f | 3623 | train_done: |
357555c0 JB |
3624 | DRM_DEBUG_KMS("FDI train done.\n"); |
3625 | } | |
3626 | ||
88cefb6c | 3627 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 3628 | { |
88cefb6c | 3629 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 3630 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 3631 | int pipe = intel_crtc->pipe; |
5eddb70b | 3632 | u32 reg, temp; |
79e53945 | 3633 | |
c64e311e | 3634 | |
c98e9dcf | 3635 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
3636 | reg = FDI_RX_CTL(pipe); |
3637 | temp = I915_READ(reg); | |
627eb5a3 | 3638 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
6e3c9717 | 3639 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
dfd07d72 | 3640 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
3641 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3642 | ||
3643 | POSTING_READ(reg); | |
c98e9dcf JB |
3644 | udelay(200); |
3645 | ||
3646 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
3647 | temp = I915_READ(reg); |
3648 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
3649 | ||
3650 | POSTING_READ(reg); | |
c98e9dcf JB |
3651 | udelay(200); |
3652 | ||
20749730 PZ |
3653 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3654 | reg = FDI_TX_CTL(pipe); | |
3655 | temp = I915_READ(reg); | |
3656 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
3657 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 3658 | |
20749730 PZ |
3659 | POSTING_READ(reg); |
3660 | udelay(100); | |
6be4a607 | 3661 | } |
0e23b99d JB |
3662 | } |
3663 | ||
88cefb6c DV |
3664 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3665 | { | |
3666 | struct drm_device *dev = intel_crtc->base.dev; | |
3667 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3668 | int pipe = intel_crtc->pipe; | |
3669 | u32 reg, temp; | |
3670 | ||
3671 | /* Switch from PCDclk to Rawclk */ | |
3672 | reg = FDI_RX_CTL(pipe); | |
3673 | temp = I915_READ(reg); | |
3674 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
3675 | ||
3676 | /* Disable CPU FDI TX PLL */ | |
3677 | reg = FDI_TX_CTL(pipe); | |
3678 | temp = I915_READ(reg); | |
3679 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
3680 | ||
3681 | POSTING_READ(reg); | |
3682 | udelay(100); | |
3683 | ||
3684 | reg = FDI_RX_CTL(pipe); | |
3685 | temp = I915_READ(reg); | |
3686 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
3687 | ||
3688 | /* Wait for the clocks to turn off. */ | |
3689 | POSTING_READ(reg); | |
3690 | udelay(100); | |
3691 | } | |
3692 | ||
0fc932b8 JB |
3693 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3694 | { | |
3695 | struct drm_device *dev = crtc->dev; | |
3696 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3697 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3698 | int pipe = intel_crtc->pipe; | |
3699 | u32 reg, temp; | |
3700 | ||
3701 | /* disable CPU FDI tx and PCH FDI rx */ | |
3702 | reg = FDI_TX_CTL(pipe); | |
3703 | temp = I915_READ(reg); | |
3704 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
3705 | POSTING_READ(reg); | |
3706 | ||
3707 | reg = FDI_RX_CTL(pipe); | |
3708 | temp = I915_READ(reg); | |
3709 | temp &= ~(0x7 << 16); | |
dfd07d72 | 3710 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3711 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3712 | ||
3713 | POSTING_READ(reg); | |
3714 | udelay(100); | |
3715 | ||
3716 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
eba905b2 | 3717 | if (HAS_PCH_IBX(dev)) |
6f06ce18 | 3718 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
0fc932b8 JB |
3719 | |
3720 | /* still set train pattern 1 */ | |
3721 | reg = FDI_TX_CTL(pipe); | |
3722 | temp = I915_READ(reg); | |
3723 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3724 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3725 | I915_WRITE(reg, temp); | |
3726 | ||
3727 | reg = FDI_RX_CTL(pipe); | |
3728 | temp = I915_READ(reg); | |
3729 | if (HAS_PCH_CPT(dev)) { | |
3730 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3731 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3732 | } else { | |
3733 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3734 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3735 | } | |
3736 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
3737 | temp &= ~(0x07 << 16); | |
dfd07d72 | 3738 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3739 | I915_WRITE(reg, temp); |
3740 | ||
3741 | POSTING_READ(reg); | |
3742 | udelay(100); | |
3743 | } | |
3744 | ||
5dce5b93 CW |
3745 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3746 | { | |
3747 | struct intel_crtc *crtc; | |
3748 | ||
3749 | /* Note that we don't need to be called with mode_config.lock here | |
3750 | * as our list of CRTC objects is static for the lifetime of the | |
3751 | * device and so cannot disappear as we iterate. Similarly, we can | |
3752 | * happily treat the predicates as racy, atomic checks as userspace | |
3753 | * cannot claim and pin a new fb without at least acquring the | |
3754 | * struct_mutex and so serialising with us. | |
3755 | */ | |
d3fcc808 | 3756 | for_each_intel_crtc(dev, crtc) { |
5dce5b93 CW |
3757 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3758 | continue; | |
3759 | ||
3760 | if (crtc->unpin_work) | |
3761 | intel_wait_for_vblank(dev, crtc->pipe); | |
3762 | ||
3763 | return true; | |
3764 | } | |
3765 | ||
3766 | return false; | |
3767 | } | |
3768 | ||
d6bbafa1 CW |
3769 | static void page_flip_completed(struct intel_crtc *intel_crtc) |
3770 | { | |
3771 | struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); | |
3772 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
3773 | ||
3774 | /* ensure that the unpin work is consistent wrt ->pending. */ | |
3775 | smp_rmb(); | |
3776 | intel_crtc->unpin_work = NULL; | |
3777 | ||
3778 | if (work->event) | |
3779 | drm_send_vblank_event(intel_crtc->base.dev, | |
3780 | intel_crtc->pipe, | |
3781 | work->event); | |
3782 | ||
3783 | drm_crtc_vblank_put(&intel_crtc->base); | |
3784 | ||
3785 | wake_up_all(&dev_priv->pending_flip_queue); | |
3786 | queue_work(dev_priv->wq, &work->work); | |
3787 | ||
3788 | trace_i915_flip_complete(intel_crtc->plane, | |
3789 | work->pending_flip_obj); | |
3790 | } | |
3791 | ||
46a55d30 | 3792 | void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
e6c3a2a6 | 3793 | { |
0f91128d | 3794 | struct drm_device *dev = crtc->dev; |
5bb61643 | 3795 | struct drm_i915_private *dev_priv = dev->dev_private; |
e6c3a2a6 | 3796 | |
2c10d571 | 3797 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
9c787942 CW |
3798 | if (WARN_ON(wait_event_timeout(dev_priv->pending_flip_queue, |
3799 | !intel_crtc_has_pending_flip(crtc), | |
3800 | 60*HZ) == 0)) { | |
3801 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2c10d571 | 3802 | |
5e2d7afc | 3803 | spin_lock_irq(&dev->event_lock); |
9c787942 CW |
3804 | if (intel_crtc->unpin_work) { |
3805 | WARN_ONCE(1, "Removing stuck page flip\n"); | |
3806 | page_flip_completed(intel_crtc); | |
3807 | } | |
5e2d7afc | 3808 | spin_unlock_irq(&dev->event_lock); |
9c787942 | 3809 | } |
5bb61643 | 3810 | |
975d568a CW |
3811 | if (crtc->primary->fb) { |
3812 | mutex_lock(&dev->struct_mutex); | |
3813 | intel_finish_fb(crtc->primary->fb); | |
3814 | mutex_unlock(&dev->struct_mutex); | |
3815 | } | |
e6c3a2a6 CW |
3816 | } |
3817 | ||
e615efe4 ED |
3818 | /* Program iCLKIP clock to the desired frequency */ |
3819 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
3820 | { | |
3821 | struct drm_device *dev = crtc->dev; | |
3822 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 3823 | int clock = to_intel_crtc(crtc)->config->base.adjusted_mode.crtc_clock; |
e615efe4 ED |
3824 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3825 | u32 temp; | |
3826 | ||
09153000 DV |
3827 | mutex_lock(&dev_priv->dpio_lock); |
3828 | ||
e615efe4 ED |
3829 | /* It is necessary to ungate the pixclk gate prior to programming |
3830 | * the divisors, and gate it back when it is done. | |
3831 | */ | |
3832 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
3833 | ||
3834 | /* Disable SSCCTL */ | |
3835 | intel_sbi_write(dev_priv, SBI_SSCCTL6, | |
988d6ee8 PZ |
3836 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3837 | SBI_SSCCTL_DISABLE, | |
3838 | SBI_ICLK); | |
e615efe4 ED |
3839 | |
3840 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ | |
12d7ceed | 3841 | if (clock == 20000) { |
e615efe4 ED |
3842 | auxdiv = 1; |
3843 | divsel = 0x41; | |
3844 | phaseinc = 0x20; | |
3845 | } else { | |
3846 | /* The iCLK virtual clock root frequency is in MHz, | |
241bfc38 DL |
3847 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
3848 | * divisors, it is necessary to divide one by another, so we | |
e615efe4 ED |
3849 | * convert the virtual clock precision to KHz here for higher |
3850 | * precision. | |
3851 | */ | |
3852 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
3853 | u32 iclk_pi_range = 64; | |
3854 | u32 desired_divisor, msb_divisor_value, pi_value; | |
3855 | ||
12d7ceed | 3856 | desired_divisor = (iclk_virtual_root_freq / clock); |
e615efe4 ED |
3857 | msb_divisor_value = desired_divisor / iclk_pi_range; |
3858 | pi_value = desired_divisor % iclk_pi_range; | |
3859 | ||
3860 | auxdiv = 0; | |
3861 | divsel = msb_divisor_value - 2; | |
3862 | phaseinc = pi_value; | |
3863 | } | |
3864 | ||
3865 | /* This should not happen with any sane values */ | |
3866 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
3867 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
3868 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
3869 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
3870 | ||
3871 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 3872 | clock, |
e615efe4 ED |
3873 | auxdiv, |
3874 | divsel, | |
3875 | phasedir, | |
3876 | phaseinc); | |
3877 | ||
3878 | /* Program SSCDIVINTPHASE6 */ | |
988d6ee8 | 3879 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
3880 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3881 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
3882 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
3883 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
3884 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
3885 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 3886 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
3887 | |
3888 | /* Program SSCAUXDIV */ | |
988d6ee8 | 3889 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
3890 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3891 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 3892 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
3893 | |
3894 | /* Enable modulator and associated divider */ | |
988d6ee8 | 3895 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 3896 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 3897 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 ED |
3898 | |
3899 | /* Wait for initialization time */ | |
3900 | udelay(24); | |
3901 | ||
3902 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
09153000 DV |
3903 | |
3904 | mutex_unlock(&dev_priv->dpio_lock); | |
e615efe4 ED |
3905 | } |
3906 | ||
275f01b2 DV |
3907 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
3908 | enum pipe pch_transcoder) | |
3909 | { | |
3910 | struct drm_device *dev = crtc->base.dev; | |
3911 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 3912 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
275f01b2 DV |
3913 | |
3914 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
3915 | I915_READ(HTOTAL(cpu_transcoder))); | |
3916 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
3917 | I915_READ(HBLANK(cpu_transcoder))); | |
3918 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
3919 | I915_READ(HSYNC(cpu_transcoder))); | |
3920 | ||
3921 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
3922 | I915_READ(VTOTAL(cpu_transcoder))); | |
3923 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
3924 | I915_READ(VBLANK(cpu_transcoder))); | |
3925 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
3926 | I915_READ(VSYNC(cpu_transcoder))); | |
3927 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
3928 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
3929 | } | |
3930 | ||
003632d9 | 3931 | static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable) |
1fbc0d78 DV |
3932 | { |
3933 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3934 | uint32_t temp; | |
3935 | ||
3936 | temp = I915_READ(SOUTH_CHICKEN1); | |
003632d9 | 3937 | if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) |
1fbc0d78 DV |
3938 | return; |
3939 | ||
3940 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
3941 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
3942 | ||
003632d9 ACO |
3943 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
3944 | if (enable) | |
3945 | temp |= FDI_BC_BIFURCATION_SELECT; | |
3946 | ||
3947 | DRM_DEBUG_KMS("%sabling fdi C rx\n", enable ? "en" : "dis"); | |
1fbc0d78 DV |
3948 | I915_WRITE(SOUTH_CHICKEN1, temp); |
3949 | POSTING_READ(SOUTH_CHICKEN1); | |
3950 | } | |
3951 | ||
3952 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
3953 | { | |
3954 | struct drm_device *dev = intel_crtc->base.dev; | |
1fbc0d78 DV |
3955 | |
3956 | switch (intel_crtc->pipe) { | |
3957 | case PIPE_A: | |
3958 | break; | |
3959 | case PIPE_B: | |
6e3c9717 | 3960 | if (intel_crtc->config->fdi_lanes > 2) |
003632d9 | 3961 | cpt_set_fdi_bc_bifurcation(dev, false); |
1fbc0d78 | 3962 | else |
003632d9 | 3963 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
3964 | |
3965 | break; | |
3966 | case PIPE_C: | |
003632d9 | 3967 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
3968 | |
3969 | break; | |
3970 | default: | |
3971 | BUG(); | |
3972 | } | |
3973 | } | |
3974 | ||
f67a559d JB |
3975 | /* |
3976 | * Enable PCH resources required for PCH ports: | |
3977 | * - PCH PLLs | |
3978 | * - FDI training & RX/TX | |
3979 | * - update transcoder timings | |
3980 | * - DP transcoding bits | |
3981 | * - transcoder | |
3982 | */ | |
3983 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
3984 | { |
3985 | struct drm_device *dev = crtc->dev; | |
3986 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3987 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3988 | int pipe = intel_crtc->pipe; | |
ee7b9f93 | 3989 | u32 reg, temp; |
2c07245f | 3990 | |
ab9412ba | 3991 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 3992 | |
1fbc0d78 DV |
3993 | if (IS_IVYBRIDGE(dev)) |
3994 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
3995 | ||
cd986abb DV |
3996 | /* Write the TU size bits before fdi link training, so that error |
3997 | * detection works. */ | |
3998 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
3999 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
4000 | ||
c98e9dcf | 4001 | /* For PCH output, training FDI link */ |
674cf967 | 4002 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 4003 | |
3ad8a208 DV |
4004 | /* We need to program the right clock selection before writing the pixel |
4005 | * mutliplier into the DPLL. */ | |
303b81e0 | 4006 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 4007 | u32 sel; |
4b645f14 | 4008 | |
c98e9dcf | 4009 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
4010 | temp |= TRANS_DPLL_ENABLE(pipe); |
4011 | sel = TRANS_DPLLB_SEL(pipe); | |
6e3c9717 | 4012 | if (intel_crtc->config->shared_dpll == DPLL_ID_PCH_PLL_B) |
ee7b9f93 JB |
4013 | temp |= sel; |
4014 | else | |
4015 | temp &= ~sel; | |
c98e9dcf | 4016 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 4017 | } |
5eddb70b | 4018 | |
3ad8a208 DV |
4019 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
4020 | * transcoder, and we actually should do this to not upset any PCH | |
4021 | * transcoder that already use the clock when we share it. | |
4022 | * | |
4023 | * Note that enable_shared_dpll tries to do the right thing, but | |
4024 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
4025 | * the right LVDS enable sequence. */ | |
85b3894f | 4026 | intel_enable_shared_dpll(intel_crtc); |
3ad8a208 | 4027 | |
d9b6cb56 JB |
4028 | /* set transcoder timing, panel must allow it */ |
4029 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 4030 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 4031 | |
303b81e0 | 4032 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 4033 | |
c98e9dcf | 4034 | /* For PCH DP, enable TRANS_DP_CTL */ |
6e3c9717 | 4035 | if (HAS_PCH_CPT(dev) && intel_crtc->config->has_dp_encoder) { |
dfd07d72 | 4036 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
5eddb70b CW |
4037 | reg = TRANS_DP_CTL(pipe); |
4038 | temp = I915_READ(reg); | |
4039 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
4040 | TRANS_DP_SYNC_MASK | |
4041 | TRANS_DP_BPC_MASK); | |
5eddb70b CW |
4042 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
4043 | TRANS_DP_ENH_FRAMING); | |
9325c9f0 | 4044 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf JB |
4045 | |
4046 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) | |
5eddb70b | 4047 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
c98e9dcf | 4048 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 4049 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
4050 | |
4051 | switch (intel_trans_dp_port_sel(crtc)) { | |
4052 | case PCH_DP_B: | |
5eddb70b | 4053 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf JB |
4054 | break; |
4055 | case PCH_DP_C: | |
5eddb70b | 4056 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf JB |
4057 | break; |
4058 | case PCH_DP_D: | |
5eddb70b | 4059 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
4060 | break; |
4061 | default: | |
e95d41e1 | 4062 | BUG(); |
32f9d658 | 4063 | } |
2c07245f | 4064 | |
5eddb70b | 4065 | I915_WRITE(reg, temp); |
6be4a607 | 4066 | } |
b52eb4dc | 4067 | |
b8a4f404 | 4068 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
4069 | } |
4070 | ||
1507e5bd PZ |
4071 | static void lpt_pch_enable(struct drm_crtc *crtc) |
4072 | { | |
4073 | struct drm_device *dev = crtc->dev; | |
4074 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4075 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6e3c9717 | 4076 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
1507e5bd | 4077 | |
ab9412ba | 4078 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 4079 | |
8c52b5e8 | 4080 | lpt_program_iclkip(crtc); |
1507e5bd | 4081 | |
0540e488 | 4082 | /* Set transcoder timing. */ |
275f01b2 | 4083 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 4084 | |
937bb610 | 4085 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
4086 | } |
4087 | ||
716c2e55 | 4088 | void intel_put_shared_dpll(struct intel_crtc *crtc) |
ee7b9f93 | 4089 | { |
e2b78267 | 4090 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
ee7b9f93 JB |
4091 | |
4092 | if (pll == NULL) | |
4093 | return; | |
4094 | ||
3e369b76 | 4095 | if (!(pll->config.crtc_mask & (1 << crtc->pipe))) { |
1e6f2ddc | 4096 | WARN(1, "bad %s crtc mask\n", pll->name); |
ee7b9f93 JB |
4097 | return; |
4098 | } | |
4099 | ||
3e369b76 ACO |
4100 | pll->config.crtc_mask &= ~(1 << crtc->pipe); |
4101 | if (pll->config.crtc_mask == 0) { | |
f4a091c7 DV |
4102 | WARN_ON(pll->on); |
4103 | WARN_ON(pll->active); | |
4104 | } | |
4105 | ||
6e3c9717 | 4106 | crtc->config->shared_dpll = DPLL_ID_PRIVATE; |
ee7b9f93 JB |
4107 | } |
4108 | ||
190f68c5 ACO |
4109 | struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, |
4110 | struct intel_crtc_state *crtc_state) | |
ee7b9f93 | 4111 | { |
e2b78267 | 4112 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
8bd31e67 | 4113 | struct intel_shared_dpll *pll; |
e2b78267 | 4114 | enum intel_dpll_id i; |
ee7b9f93 | 4115 | |
98b6bd99 DV |
4116 | if (HAS_PCH_IBX(dev_priv->dev)) { |
4117 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ | |
d94ab068 | 4118 | i = (enum intel_dpll_id) crtc->pipe; |
e72f9fbf | 4119 | pll = &dev_priv->shared_dplls[i]; |
98b6bd99 | 4120 | |
46edb027 DV |
4121 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
4122 | crtc->base.base.id, pll->name); | |
98b6bd99 | 4123 | |
8bd31e67 | 4124 | WARN_ON(pll->new_config->crtc_mask); |
f2a69f44 | 4125 | |
98b6bd99 DV |
4126 | goto found; |
4127 | } | |
4128 | ||
e72f9fbf DV |
4129 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4130 | pll = &dev_priv->shared_dplls[i]; | |
ee7b9f93 JB |
4131 | |
4132 | /* Only want to check enabled timings first */ | |
8bd31e67 | 4133 | if (pll->new_config->crtc_mask == 0) |
ee7b9f93 JB |
4134 | continue; |
4135 | ||
190f68c5 | 4136 | if (memcmp(&crtc_state->dpll_hw_state, |
8bd31e67 ACO |
4137 | &pll->new_config->hw_state, |
4138 | sizeof(pll->new_config->hw_state)) == 0) { | |
4139 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n", | |
1e6f2ddc | 4140 | crtc->base.base.id, pll->name, |
8bd31e67 ACO |
4141 | pll->new_config->crtc_mask, |
4142 | pll->active); | |
ee7b9f93 JB |
4143 | goto found; |
4144 | } | |
4145 | } | |
4146 | ||
4147 | /* Ok no matching timings, maybe there's a free one? */ | |
e72f9fbf DV |
4148 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4149 | pll = &dev_priv->shared_dplls[i]; | |
8bd31e67 | 4150 | if (pll->new_config->crtc_mask == 0) { |
46edb027 DV |
4151 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
4152 | crtc->base.base.id, pll->name); | |
ee7b9f93 JB |
4153 | goto found; |
4154 | } | |
4155 | } | |
4156 | ||
4157 | return NULL; | |
4158 | ||
4159 | found: | |
8bd31e67 | 4160 | if (pll->new_config->crtc_mask == 0) |
190f68c5 | 4161 | pll->new_config->hw_state = crtc_state->dpll_hw_state; |
f2a69f44 | 4162 | |
190f68c5 | 4163 | crtc_state->shared_dpll = i; |
46edb027 DV |
4164 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
4165 | pipe_name(crtc->pipe)); | |
ee7b9f93 | 4166 | |
8bd31e67 | 4167 | pll->new_config->crtc_mask |= 1 << crtc->pipe; |
e04c7350 | 4168 | |
ee7b9f93 JB |
4169 | return pll; |
4170 | } | |
4171 | ||
8bd31e67 ACO |
4172 | /** |
4173 | * intel_shared_dpll_start_config - start a new PLL staged config | |
4174 | * @dev_priv: DRM device | |
4175 | * @clear_pipes: mask of pipes that will have their PLLs freed | |
4176 | * | |
4177 | * Starts a new PLL staged config, copying the current config but | |
4178 | * releasing the references of pipes specified in clear_pipes. | |
4179 | */ | |
4180 | static int intel_shared_dpll_start_config(struct drm_i915_private *dev_priv, | |
4181 | unsigned clear_pipes) | |
4182 | { | |
4183 | struct intel_shared_dpll *pll; | |
4184 | enum intel_dpll_id i; | |
4185 | ||
4186 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
4187 | pll = &dev_priv->shared_dplls[i]; | |
4188 | ||
4189 | pll->new_config = kmemdup(&pll->config, sizeof pll->config, | |
4190 | GFP_KERNEL); | |
4191 | if (!pll->new_config) | |
4192 | goto cleanup; | |
4193 | ||
4194 | pll->new_config->crtc_mask &= ~clear_pipes; | |
4195 | } | |
4196 | ||
4197 | return 0; | |
4198 | ||
4199 | cleanup: | |
4200 | while (--i >= 0) { | |
4201 | pll = &dev_priv->shared_dplls[i]; | |
f354d733 | 4202 | kfree(pll->new_config); |
8bd31e67 ACO |
4203 | pll->new_config = NULL; |
4204 | } | |
4205 | ||
4206 | return -ENOMEM; | |
4207 | } | |
4208 | ||
4209 | static void intel_shared_dpll_commit(struct drm_i915_private *dev_priv) | |
4210 | { | |
4211 | struct intel_shared_dpll *pll; | |
4212 | enum intel_dpll_id i; | |
4213 | ||
4214 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
4215 | pll = &dev_priv->shared_dplls[i]; | |
4216 | ||
4217 | WARN_ON(pll->new_config == &pll->config); | |
4218 | ||
4219 | pll->config = *pll->new_config; | |
4220 | kfree(pll->new_config); | |
4221 | pll->new_config = NULL; | |
4222 | } | |
4223 | } | |
4224 | ||
4225 | static void intel_shared_dpll_abort_config(struct drm_i915_private *dev_priv) | |
4226 | { | |
4227 | struct intel_shared_dpll *pll; | |
4228 | enum intel_dpll_id i; | |
4229 | ||
4230 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
4231 | pll = &dev_priv->shared_dplls[i]; | |
4232 | ||
4233 | WARN_ON(pll->new_config == &pll->config); | |
4234 | ||
4235 | kfree(pll->new_config); | |
4236 | pll->new_config = NULL; | |
4237 | } | |
4238 | } | |
4239 | ||
a1520318 | 4240 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 JB |
4241 | { |
4242 | struct drm_i915_private *dev_priv = dev->dev_private; | |
23670b32 | 4243 | int dslreg = PIPEDSL(pipe); |
d4270e57 JB |
4244 | u32 temp; |
4245 | ||
4246 | temp = I915_READ(dslreg); | |
4247 | udelay(500); | |
4248 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 4249 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 4250 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
4251 | } |
4252 | } | |
4253 | ||
bd2e244f JB |
4254 | static void skylake_pfit_enable(struct intel_crtc *crtc) |
4255 | { | |
4256 | struct drm_device *dev = crtc->base.dev; | |
4257 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4258 | int pipe = crtc->pipe; | |
4259 | ||
6e3c9717 | 4260 | if (crtc->config->pch_pfit.enabled) { |
bd2e244f | 4261 | I915_WRITE(PS_CTL(pipe), PS_ENABLE); |
6e3c9717 ACO |
4262 | I915_WRITE(PS_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4263 | I915_WRITE(PS_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
bd2e244f JB |
4264 | } |
4265 | } | |
4266 | ||
b074cec8 JB |
4267 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4268 | { | |
4269 | struct drm_device *dev = crtc->base.dev; | |
4270 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4271 | int pipe = crtc->pipe; | |
4272 | ||
6e3c9717 | 4273 | if (crtc->config->pch_pfit.enabled) { |
b074cec8 JB |
4274 | /* Force use of hard-coded filter coefficients |
4275 | * as some pre-programmed values are broken, | |
4276 | * e.g. x201. | |
4277 | */ | |
4278 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
4279 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
4280 | PF_PIPE_SEL_IVB(pipe)); | |
4281 | else | |
4282 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
6e3c9717 ACO |
4283 | I915_WRITE(PF_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4284 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
d4270e57 JB |
4285 | } |
4286 | } | |
4287 | ||
4a3b8769 | 4288 | static void intel_enable_sprite_planes(struct drm_crtc *crtc) |
bb53d4ae VS |
4289 | { |
4290 | struct drm_device *dev = crtc->dev; | |
4291 | enum pipe pipe = to_intel_crtc(crtc)->pipe; | |
af2b653b | 4292 | struct drm_plane *plane; |
bb53d4ae VS |
4293 | struct intel_plane *intel_plane; |
4294 | ||
af2b653b MR |
4295 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
4296 | intel_plane = to_intel_plane(plane); | |
bb53d4ae VS |
4297 | if (intel_plane->pipe == pipe) |
4298 | intel_plane_restore(&intel_plane->base); | |
af2b653b | 4299 | } |
bb53d4ae VS |
4300 | } |
4301 | ||
0d703d4e MR |
4302 | /* |
4303 | * Disable a plane internally without actually modifying the plane's state. | |
4304 | * This will allow us to easily restore the plane later by just reprogramming | |
4305 | * its state. | |
4306 | */ | |
4307 | static void disable_plane_internal(struct drm_plane *plane) | |
4308 | { | |
4309 | struct intel_plane *intel_plane = to_intel_plane(plane); | |
4310 | struct drm_plane_state *state = | |
4311 | plane->funcs->atomic_duplicate_state(plane); | |
4312 | struct intel_plane_state *intel_state = to_intel_plane_state(state); | |
4313 | ||
4314 | intel_state->visible = false; | |
4315 | intel_plane->commit_plane(plane, intel_state); | |
4316 | ||
4317 | intel_plane_destroy_state(plane, state); | |
4318 | } | |
4319 | ||
4a3b8769 | 4320 | static void intel_disable_sprite_planes(struct drm_crtc *crtc) |
bb53d4ae VS |
4321 | { |
4322 | struct drm_device *dev = crtc->dev; | |
4323 | enum pipe pipe = to_intel_crtc(crtc)->pipe; | |
af2b653b | 4324 | struct drm_plane *plane; |
bb53d4ae VS |
4325 | struct intel_plane *intel_plane; |
4326 | ||
af2b653b MR |
4327 | drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) { |
4328 | intel_plane = to_intel_plane(plane); | |
0d703d4e MR |
4329 | if (plane->fb && intel_plane->pipe == pipe) |
4330 | disable_plane_internal(plane); | |
af2b653b | 4331 | } |
bb53d4ae VS |
4332 | } |
4333 | ||
20bc8673 | 4334 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 | 4335 | { |
cea165c3 VS |
4336 | struct drm_device *dev = crtc->base.dev; |
4337 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d77e4531 | 4338 | |
6e3c9717 | 4339 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4340 | return; |
4341 | ||
cea165c3 VS |
4342 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
4343 | intel_wait_for_vblank(dev, crtc->pipe); | |
4344 | ||
d77e4531 | 4345 | assert_plane_enabled(dev_priv, crtc->plane); |
cea165c3 | 4346 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4347 | mutex_lock(&dev_priv->rps.hw_lock); |
4348 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
4349 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4350 | /* Quoting Art Runyan: "its not safe to expect any particular | |
4351 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
4352 | * mailbox." Moreover, the mailbox may return a bogus state, |
4353 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
4354 | */ |
4355 | } else { | |
4356 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
4357 | /* The bit only becomes 1 in the next vblank, so this wait here | |
4358 | * is essentially intel_wait_for_vblank. If we don't have this | |
4359 | * and don't wait for vblanks until the end of crtc_enable, then | |
4360 | * the HW state readout code will complain that the expected | |
4361 | * IPS_CTL value is not the one we read. */ | |
4362 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) | |
4363 | DRM_ERROR("Timed out waiting for IPS enable\n"); | |
4364 | } | |
d77e4531 PZ |
4365 | } |
4366 | ||
20bc8673 | 4367 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
4368 | { |
4369 | struct drm_device *dev = crtc->base.dev; | |
4370 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4371 | ||
6e3c9717 | 4372 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4373 | return; |
4374 | ||
4375 | assert_plane_enabled(dev_priv, crtc->plane); | |
23d0b130 | 4376 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4377 | mutex_lock(&dev_priv->rps.hw_lock); |
4378 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
4379 | mutex_unlock(&dev_priv->rps.hw_lock); | |
23d0b130 BW |
4380 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
4381 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) | |
4382 | DRM_ERROR("Timed out waiting for IPS disable\n"); | |
e59150dc | 4383 | } else { |
2a114cc1 | 4384 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
4385 | POSTING_READ(IPS_CTL); |
4386 | } | |
d77e4531 PZ |
4387 | |
4388 | /* We need to wait for a vblank before we can disable the plane. */ | |
4389 | intel_wait_for_vblank(dev, crtc->pipe); | |
4390 | } | |
4391 | ||
4392 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
4393 | static void intel_crtc_load_lut(struct drm_crtc *crtc) | |
4394 | { | |
4395 | struct drm_device *dev = crtc->dev; | |
4396 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4397 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4398 | enum pipe pipe = intel_crtc->pipe; | |
4399 | int palreg = PALETTE(pipe); | |
4400 | int i; | |
4401 | bool reenable_ips = false; | |
4402 | ||
4403 | /* The clocks have to be on to load the palette. */ | |
83d65738 | 4404 | if (!crtc->state->enable || !intel_crtc->active) |
d77e4531 PZ |
4405 | return; |
4406 | ||
4407 | if (!HAS_PCH_SPLIT(dev_priv->dev)) { | |
409ee761 | 4408 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) |
d77e4531 PZ |
4409 | assert_dsi_pll_enabled(dev_priv); |
4410 | else | |
4411 | assert_pll_enabled(dev_priv, pipe); | |
4412 | } | |
4413 | ||
4414 | /* use legacy palette for Ironlake */ | |
7a1db49a | 4415 | if (!HAS_GMCH_DISPLAY(dev)) |
d77e4531 PZ |
4416 | palreg = LGC_PALETTE(pipe); |
4417 | ||
4418 | /* Workaround : Do not read or write the pipe palette/gamma data while | |
4419 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. | |
4420 | */ | |
6e3c9717 | 4421 | if (IS_HASWELL(dev) && intel_crtc->config->ips_enabled && |
d77e4531 PZ |
4422 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
4423 | GAMMA_MODE_MODE_SPLIT)) { | |
4424 | hsw_disable_ips(intel_crtc); | |
4425 | reenable_ips = true; | |
4426 | } | |
4427 | ||
4428 | for (i = 0; i < 256; i++) { | |
4429 | I915_WRITE(palreg + 4 * i, | |
4430 | (intel_crtc->lut_r[i] << 16) | | |
4431 | (intel_crtc->lut_g[i] << 8) | | |
4432 | intel_crtc->lut_b[i]); | |
4433 | } | |
4434 | ||
4435 | if (reenable_ips) | |
4436 | hsw_enable_ips(intel_crtc); | |
4437 | } | |
4438 | ||
d3eedb1a VS |
4439 | static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) |
4440 | { | |
4441 | if (!enable && intel_crtc->overlay) { | |
4442 | struct drm_device *dev = intel_crtc->base.dev; | |
4443 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4444 | ||
4445 | mutex_lock(&dev->struct_mutex); | |
4446 | dev_priv->mm.interruptible = false; | |
4447 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4448 | dev_priv->mm.interruptible = true; | |
4449 | mutex_unlock(&dev->struct_mutex); | |
4450 | } | |
4451 | ||
4452 | /* Let userspace switch the overlay on again. In most cases userspace | |
4453 | * has to recompute where to put it anyway. | |
4454 | */ | |
4455 | } | |
4456 | ||
d3eedb1a | 4457 | static void intel_crtc_enable_planes(struct drm_crtc *crtc) |
a5c4d7bc VS |
4458 | { |
4459 | struct drm_device *dev = crtc->dev; | |
a5c4d7bc VS |
4460 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4461 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4462 | |
fdd508a6 | 4463 | intel_enable_primary_hw_plane(crtc->primary, crtc); |
4a3b8769 | 4464 | intel_enable_sprite_planes(crtc); |
a5c4d7bc | 4465 | intel_crtc_update_cursor(crtc, true); |
d3eedb1a | 4466 | intel_crtc_dpms_overlay(intel_crtc, true); |
a5c4d7bc VS |
4467 | |
4468 | hsw_enable_ips(intel_crtc); | |
4469 | ||
4470 | mutex_lock(&dev->struct_mutex); | |
7ff0ebcc | 4471 | intel_fbc_update(dev); |
a5c4d7bc | 4472 | mutex_unlock(&dev->struct_mutex); |
f99d7069 DV |
4473 | |
4474 | /* | |
4475 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
4476 | * to compute the mask of flip planes precisely. For the time being | |
4477 | * consider this a flip from a NULL plane. | |
4478 | */ | |
4479 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); | |
a5c4d7bc VS |
4480 | } |
4481 | ||
d3eedb1a | 4482 | static void intel_crtc_disable_planes(struct drm_crtc *crtc) |
a5c4d7bc VS |
4483 | { |
4484 | struct drm_device *dev = crtc->dev; | |
4485 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4486 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4487 | int pipe = intel_crtc->pipe; | |
a5c4d7bc VS |
4488 | |
4489 | intel_crtc_wait_for_pending_flips(crtc); | |
a5c4d7bc | 4490 | |
e35fef21 | 4491 | if (dev_priv->fbc.crtc == intel_crtc) |
7ff0ebcc | 4492 | intel_fbc_disable(dev); |
a5c4d7bc VS |
4493 | |
4494 | hsw_disable_ips(intel_crtc); | |
4495 | ||
d3eedb1a | 4496 | intel_crtc_dpms_overlay(intel_crtc, false); |
a5c4d7bc | 4497 | intel_crtc_update_cursor(crtc, false); |
4a3b8769 | 4498 | intel_disable_sprite_planes(crtc); |
fdd508a6 | 4499 | intel_disable_primary_hw_plane(crtc->primary, crtc); |
f98551ae | 4500 | |
f99d7069 DV |
4501 | /* |
4502 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
4503 | * to compute the mask of flip planes precisely. For the time being | |
4504 | * consider this a flip to a NULL plane. | |
4505 | */ | |
4506 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); | |
a5c4d7bc VS |
4507 | } |
4508 | ||
f67a559d JB |
4509 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
4510 | { | |
4511 | struct drm_device *dev = crtc->dev; | |
4512 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4513 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4514 | struct intel_encoder *encoder; |
f67a559d | 4515 | int pipe = intel_crtc->pipe; |
f67a559d | 4516 | |
83d65738 | 4517 | WARN_ON(!crtc->state->enable); |
08a48469 | 4518 | |
f67a559d JB |
4519 | if (intel_crtc->active) |
4520 | return; | |
4521 | ||
6e3c9717 | 4522 | if (intel_crtc->config->has_pch_encoder) |
b14b1055 DV |
4523 | intel_prepare_shared_dpll(intel_crtc); |
4524 | ||
6e3c9717 | 4525 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4526 | intel_dp_set_m_n(intel_crtc, M1_N1); |
29407aab DV |
4527 | |
4528 | intel_set_pipe_timings(intel_crtc); | |
4529 | ||
6e3c9717 | 4530 | if (intel_crtc->config->has_pch_encoder) { |
29407aab | 4531 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4532 | &intel_crtc->config->fdi_m_n, NULL); |
29407aab DV |
4533 | } |
4534 | ||
4535 | ironlake_set_pipeconf(crtc); | |
4536 | ||
f67a559d | 4537 | intel_crtc->active = true; |
8664281b | 4538 | |
a72e4c9f DV |
4539 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4540 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); | |
8664281b | 4541 | |
f6736a1a | 4542 | for_each_encoder_on_crtc(dev, crtc, encoder) |
952735ee DV |
4543 | if (encoder->pre_enable) |
4544 | encoder->pre_enable(encoder); | |
f67a559d | 4545 | |
6e3c9717 | 4546 | if (intel_crtc->config->has_pch_encoder) { |
fff367c7 DV |
4547 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4548 | * cpu pipes, hence this is separate from all the other fdi/pch | |
4549 | * enabling. */ | |
88cefb6c | 4550 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
4551 | } else { |
4552 | assert_fdi_tx_disabled(dev_priv, pipe); | |
4553 | assert_fdi_rx_disabled(dev_priv, pipe); | |
4554 | } | |
f67a559d | 4555 | |
b074cec8 | 4556 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 4557 | |
9c54c0dd JB |
4558 | /* |
4559 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4560 | * clocks enabled | |
4561 | */ | |
4562 | intel_crtc_load_lut(crtc); | |
4563 | ||
f37fcc2a | 4564 | intel_update_watermarks(crtc); |
e1fdc473 | 4565 | intel_enable_pipe(intel_crtc); |
f67a559d | 4566 | |
6e3c9717 | 4567 | if (intel_crtc->config->has_pch_encoder) |
f67a559d | 4568 | ironlake_pch_enable(crtc); |
c98e9dcf | 4569 | |
f9b61ff6 DV |
4570 | assert_vblank_disabled(crtc); |
4571 | drm_crtc_vblank_on(crtc); | |
4572 | ||
fa5c73b1 DV |
4573 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4574 | encoder->enable(encoder); | |
61b77ddd DV |
4575 | |
4576 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 4577 | cpt_verify_modeset(dev, intel_crtc->pipe); |
6ce94100 | 4578 | |
d3eedb1a | 4579 | intel_crtc_enable_planes(crtc); |
6be4a607 JB |
4580 | } |
4581 | ||
42db64ef PZ |
4582 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4583 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
4584 | { | |
f5adf94e | 4585 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
4586 | } |
4587 | ||
e4916946 PZ |
4588 | /* |
4589 | * This implements the workaround described in the "notes" section of the mode | |
4590 | * set sequence documentation. When going from no pipes or single pipe to | |
4591 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
4592 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
4593 | */ | |
4594 | static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc) | |
4595 | { | |
4596 | struct drm_device *dev = crtc->base.dev; | |
4597 | struct intel_crtc *crtc_it, *other_active_crtc = NULL; | |
4598 | ||
4599 | /* We want to get the other_active_crtc only if there's only 1 other | |
4600 | * active crtc. */ | |
d3fcc808 | 4601 | for_each_intel_crtc(dev, crtc_it) { |
e4916946 PZ |
4602 | if (!crtc_it->active || crtc_it == crtc) |
4603 | continue; | |
4604 | ||
4605 | if (other_active_crtc) | |
4606 | return; | |
4607 | ||
4608 | other_active_crtc = crtc_it; | |
4609 | } | |
4610 | if (!other_active_crtc) | |
4611 | return; | |
4612 | ||
4613 | intel_wait_for_vblank(dev, other_active_crtc->pipe); | |
4614 | intel_wait_for_vblank(dev, other_active_crtc->pipe); | |
4615 | } | |
4616 | ||
4f771f10 PZ |
4617 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
4618 | { | |
4619 | struct drm_device *dev = crtc->dev; | |
4620 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4621 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4622 | struct intel_encoder *encoder; | |
4623 | int pipe = intel_crtc->pipe; | |
4f771f10 | 4624 | |
83d65738 | 4625 | WARN_ON(!crtc->state->enable); |
4f771f10 PZ |
4626 | |
4627 | if (intel_crtc->active) | |
4628 | return; | |
4629 | ||
df8ad70c DV |
4630 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4631 | intel_enable_shared_dpll(intel_crtc); | |
4632 | ||
6e3c9717 | 4633 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4634 | intel_dp_set_m_n(intel_crtc, M1_N1); |
229fca97 DV |
4635 | |
4636 | intel_set_pipe_timings(intel_crtc); | |
4637 | ||
6e3c9717 ACO |
4638 | if (intel_crtc->config->cpu_transcoder != TRANSCODER_EDP) { |
4639 | I915_WRITE(PIPE_MULT(intel_crtc->config->cpu_transcoder), | |
4640 | intel_crtc->config->pixel_multiplier - 1); | |
ebb69c95 CT |
4641 | } |
4642 | ||
6e3c9717 | 4643 | if (intel_crtc->config->has_pch_encoder) { |
229fca97 | 4644 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4645 | &intel_crtc->config->fdi_m_n, NULL); |
229fca97 DV |
4646 | } |
4647 | ||
4648 | haswell_set_pipeconf(crtc); | |
4649 | ||
4650 | intel_set_pipe_csc(crtc); | |
4651 | ||
4f771f10 | 4652 | intel_crtc->active = true; |
8664281b | 4653 | |
a72e4c9f | 4654 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4f771f10 PZ |
4655 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4656 | if (encoder->pre_enable) | |
4657 | encoder->pre_enable(encoder); | |
4658 | ||
6e3c9717 | 4659 | if (intel_crtc->config->has_pch_encoder) { |
a72e4c9f DV |
4660 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
4661 | true); | |
4fe9467d ID |
4662 | dev_priv->display.fdi_link_train(crtc); |
4663 | } | |
4664 | ||
1f544388 | 4665 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 4666 | |
bd2e244f JB |
4667 | if (IS_SKYLAKE(dev)) |
4668 | skylake_pfit_enable(intel_crtc); | |
4669 | else | |
4670 | ironlake_pfit_enable(intel_crtc); | |
4f771f10 PZ |
4671 | |
4672 | /* | |
4673 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4674 | * clocks enabled | |
4675 | */ | |
4676 | intel_crtc_load_lut(crtc); | |
4677 | ||
1f544388 | 4678 | intel_ddi_set_pipe_settings(crtc); |
8228c251 | 4679 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 4680 | |
f37fcc2a | 4681 | intel_update_watermarks(crtc); |
e1fdc473 | 4682 | intel_enable_pipe(intel_crtc); |
42db64ef | 4683 | |
6e3c9717 | 4684 | if (intel_crtc->config->has_pch_encoder) |
1507e5bd | 4685 | lpt_pch_enable(crtc); |
4f771f10 | 4686 | |
6e3c9717 | 4687 | if (intel_crtc->config->dp_encoder_is_mst) |
0e32b39c DA |
4688 | intel_ddi_set_vc_payload_alloc(crtc, true); |
4689 | ||
f9b61ff6 DV |
4690 | assert_vblank_disabled(crtc); |
4691 | drm_crtc_vblank_on(crtc); | |
4692 | ||
8807e55b | 4693 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 | 4694 | encoder->enable(encoder); |
8807e55b JN |
4695 | intel_opregion_notify_encoder(encoder, true); |
4696 | } | |
4f771f10 | 4697 | |
e4916946 PZ |
4698 | /* If we change the relative order between pipe/planes enabling, we need |
4699 | * to change the workaround. */ | |
4700 | haswell_mode_set_planes_workaround(intel_crtc); | |
d3eedb1a | 4701 | intel_crtc_enable_planes(crtc); |
4f771f10 PZ |
4702 | } |
4703 | ||
bd2e244f JB |
4704 | static void skylake_pfit_disable(struct intel_crtc *crtc) |
4705 | { | |
4706 | struct drm_device *dev = crtc->base.dev; | |
4707 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4708 | int pipe = crtc->pipe; | |
4709 | ||
4710 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
4711 | * it's in use. The hw state code will make sure we get this right. */ | |
6e3c9717 | 4712 | if (crtc->config->pch_pfit.enabled) { |
bd2e244f JB |
4713 | I915_WRITE(PS_CTL(pipe), 0); |
4714 | I915_WRITE(PS_WIN_POS(pipe), 0); | |
4715 | I915_WRITE(PS_WIN_SZ(pipe), 0); | |
4716 | } | |
4717 | } | |
4718 | ||
3f8dce3a DV |
4719 | static void ironlake_pfit_disable(struct intel_crtc *crtc) |
4720 | { | |
4721 | struct drm_device *dev = crtc->base.dev; | |
4722 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4723 | int pipe = crtc->pipe; | |
4724 | ||
4725 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
4726 | * it's in use. The hw state code will make sure we get this right. */ | |
6e3c9717 | 4727 | if (crtc->config->pch_pfit.enabled) { |
3f8dce3a DV |
4728 | I915_WRITE(PF_CTL(pipe), 0); |
4729 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
4730 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
4731 | } | |
4732 | } | |
4733 | ||
6be4a607 JB |
4734 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
4735 | { | |
4736 | struct drm_device *dev = crtc->dev; | |
4737 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4738 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4739 | struct intel_encoder *encoder; |
6be4a607 | 4740 | int pipe = intel_crtc->pipe; |
5eddb70b | 4741 | u32 reg, temp; |
b52eb4dc | 4742 | |
f7abfe8b CW |
4743 | if (!intel_crtc->active) |
4744 | return; | |
4745 | ||
d3eedb1a | 4746 | intel_crtc_disable_planes(crtc); |
a5c4d7bc | 4747 | |
ea9d758d DV |
4748 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4749 | encoder->disable(encoder); | |
4750 | ||
f9b61ff6 DV |
4751 | drm_crtc_vblank_off(crtc); |
4752 | assert_vblank_disabled(crtc); | |
4753 | ||
6e3c9717 | 4754 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f | 4755 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); |
d925c59a | 4756 | |
575f7ab7 | 4757 | intel_disable_pipe(intel_crtc); |
32f9d658 | 4758 | |
3f8dce3a | 4759 | ironlake_pfit_disable(intel_crtc); |
2c07245f | 4760 | |
bf49ec8c DV |
4761 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4762 | if (encoder->post_disable) | |
4763 | encoder->post_disable(encoder); | |
2c07245f | 4764 | |
6e3c9717 | 4765 | if (intel_crtc->config->has_pch_encoder) { |
d925c59a | 4766 | ironlake_fdi_disable(crtc); |
913d8d11 | 4767 | |
d925c59a | 4768 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
6be4a607 | 4769 | |
d925c59a DV |
4770 | if (HAS_PCH_CPT(dev)) { |
4771 | /* disable TRANS_DP_CTL */ | |
4772 | reg = TRANS_DP_CTL(pipe); | |
4773 | temp = I915_READ(reg); | |
4774 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
4775 | TRANS_DP_PORT_SEL_MASK); | |
4776 | temp |= TRANS_DP_PORT_SEL_NONE; | |
4777 | I915_WRITE(reg, temp); | |
4778 | ||
4779 | /* disable DPLL_SEL */ | |
4780 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 4781 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 4782 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 4783 | } |
e3421a18 | 4784 | |
d925c59a | 4785 | /* disable PCH DPLL */ |
e72f9fbf | 4786 | intel_disable_shared_dpll(intel_crtc); |
8db9d77b | 4787 | |
d925c59a DV |
4788 | ironlake_fdi_pll_disable(intel_crtc); |
4789 | } | |
6b383a7f | 4790 | |
f7abfe8b | 4791 | intel_crtc->active = false; |
46ba614c | 4792 | intel_update_watermarks(crtc); |
d1ebd816 BW |
4793 | |
4794 | mutex_lock(&dev->struct_mutex); | |
7ff0ebcc | 4795 | intel_fbc_update(dev); |
d1ebd816 | 4796 | mutex_unlock(&dev->struct_mutex); |
6be4a607 | 4797 | } |
1b3c7a47 | 4798 | |
4f771f10 | 4799 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 4800 | { |
4f771f10 PZ |
4801 | struct drm_device *dev = crtc->dev; |
4802 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 4803 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 | 4804 | struct intel_encoder *encoder; |
6e3c9717 | 4805 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee7b9f93 | 4806 | |
4f771f10 PZ |
4807 | if (!intel_crtc->active) |
4808 | return; | |
4809 | ||
d3eedb1a | 4810 | intel_crtc_disable_planes(crtc); |
dda9a66a | 4811 | |
8807e55b JN |
4812 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4813 | intel_opregion_notify_encoder(encoder, false); | |
4f771f10 | 4814 | encoder->disable(encoder); |
8807e55b | 4815 | } |
4f771f10 | 4816 | |
f9b61ff6 DV |
4817 | drm_crtc_vblank_off(crtc); |
4818 | assert_vblank_disabled(crtc); | |
4819 | ||
6e3c9717 | 4820 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f DV |
4821 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
4822 | false); | |
575f7ab7 | 4823 | intel_disable_pipe(intel_crtc); |
4f771f10 | 4824 | |
6e3c9717 | 4825 | if (intel_crtc->config->dp_encoder_is_mst) |
a4bf214f VS |
4826 | intel_ddi_set_vc_payload_alloc(crtc, false); |
4827 | ||
ad80a810 | 4828 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 4829 | |
bd2e244f JB |
4830 | if (IS_SKYLAKE(dev)) |
4831 | skylake_pfit_disable(intel_crtc); | |
4832 | else | |
4833 | ironlake_pfit_disable(intel_crtc); | |
4f771f10 | 4834 | |
1f544388 | 4835 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 | 4836 | |
6e3c9717 | 4837 | if (intel_crtc->config->has_pch_encoder) { |
ab4d966c | 4838 | lpt_disable_pch_transcoder(dev_priv); |
1ad960f2 | 4839 | intel_ddi_fdi_disable(crtc); |
83616634 | 4840 | } |
4f771f10 | 4841 | |
97b040aa ID |
4842 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4843 | if (encoder->post_disable) | |
4844 | encoder->post_disable(encoder); | |
4845 | ||
4f771f10 | 4846 | intel_crtc->active = false; |
46ba614c | 4847 | intel_update_watermarks(crtc); |
4f771f10 PZ |
4848 | |
4849 | mutex_lock(&dev->struct_mutex); | |
7ff0ebcc | 4850 | intel_fbc_update(dev); |
4f771f10 | 4851 | mutex_unlock(&dev->struct_mutex); |
df8ad70c DV |
4852 | |
4853 | if (intel_crtc_to_shared_dpll(intel_crtc)) | |
4854 | intel_disable_shared_dpll(intel_crtc); | |
4f771f10 PZ |
4855 | } |
4856 | ||
ee7b9f93 JB |
4857 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
4858 | { | |
4859 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
e72f9fbf | 4860 | intel_put_shared_dpll(intel_crtc); |
ee7b9f93 JB |
4861 | } |
4862 | ||
6441ab5f | 4863 | |
2dd24552 JB |
4864 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
4865 | { | |
4866 | struct drm_device *dev = crtc->base.dev; | |
4867 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 4868 | struct intel_crtc_state *pipe_config = crtc->config; |
2dd24552 | 4869 | |
681a8504 | 4870 | if (!pipe_config->gmch_pfit.control) |
2dd24552 JB |
4871 | return; |
4872 | ||
2dd24552 | 4873 | /* |
c0b03411 DV |
4874 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
4875 | * according to register description and PRM. | |
2dd24552 | 4876 | */ |
c0b03411 DV |
4877 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
4878 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 4879 | |
b074cec8 JB |
4880 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
4881 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
4882 | |
4883 | /* Border color in case we don't scale up to the full screen. Black by | |
4884 | * default, change to something else for debugging. */ | |
4885 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
4886 | } |
4887 | ||
d05410f9 DA |
4888 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
4889 | { | |
4890 | switch (port) { | |
4891 | case PORT_A: | |
4892 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; | |
4893 | case PORT_B: | |
4894 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; | |
4895 | case PORT_C: | |
4896 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; | |
4897 | case PORT_D: | |
4898 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; | |
4899 | default: | |
4900 | WARN_ON_ONCE(1); | |
4901 | return POWER_DOMAIN_PORT_OTHER; | |
4902 | } | |
4903 | } | |
4904 | ||
77d22dca ID |
4905 | #define for_each_power_domain(domain, mask) \ |
4906 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ | |
4907 | if ((1 << (domain)) & (mask)) | |
4908 | ||
319be8ae ID |
4909 | enum intel_display_power_domain |
4910 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
4911 | { | |
4912 | struct drm_device *dev = intel_encoder->base.dev; | |
4913 | struct intel_digital_port *intel_dig_port; | |
4914 | ||
4915 | switch (intel_encoder->type) { | |
4916 | case INTEL_OUTPUT_UNKNOWN: | |
4917 | /* Only DDI platforms should ever use this output type */ | |
4918 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
4919 | case INTEL_OUTPUT_DISPLAYPORT: | |
4920 | case INTEL_OUTPUT_HDMI: | |
4921 | case INTEL_OUTPUT_EDP: | |
4922 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
d05410f9 | 4923 | return port_to_power_domain(intel_dig_port->port); |
0e32b39c DA |
4924 | case INTEL_OUTPUT_DP_MST: |
4925 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
4926 | return port_to_power_domain(intel_dig_port->port); | |
319be8ae ID |
4927 | case INTEL_OUTPUT_ANALOG: |
4928 | return POWER_DOMAIN_PORT_CRT; | |
4929 | case INTEL_OUTPUT_DSI: | |
4930 | return POWER_DOMAIN_PORT_DSI; | |
4931 | default: | |
4932 | return POWER_DOMAIN_PORT_OTHER; | |
4933 | } | |
4934 | } | |
4935 | ||
4936 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) | |
77d22dca | 4937 | { |
319be8ae ID |
4938 | struct drm_device *dev = crtc->dev; |
4939 | struct intel_encoder *intel_encoder; | |
4940 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4941 | enum pipe pipe = intel_crtc->pipe; | |
77d22dca ID |
4942 | unsigned long mask; |
4943 | enum transcoder transcoder; | |
4944 | ||
4945 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); | |
4946 | ||
4947 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); | |
4948 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
6e3c9717 ACO |
4949 | if (intel_crtc->config->pch_pfit.enabled || |
4950 | intel_crtc->config->pch_pfit.force_thru) | |
77d22dca ID |
4951 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
4952 | ||
319be8ae ID |
4953 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
4954 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); | |
4955 | ||
77d22dca ID |
4956 | return mask; |
4957 | } | |
4958 | ||
679dacd4 | 4959 | static void modeset_update_crtc_power_domains(struct drm_atomic_state *state) |
77d22dca | 4960 | { |
679dacd4 | 4961 | struct drm_device *dev = state->dev; |
77d22dca ID |
4962 | struct drm_i915_private *dev_priv = dev->dev_private; |
4963 | unsigned long pipe_domains[I915_MAX_PIPES] = { 0, }; | |
4964 | struct intel_crtc *crtc; | |
4965 | ||
4966 | /* | |
4967 | * First get all needed power domains, then put all unneeded, to avoid | |
4968 | * any unnecessary toggling of the power wells. | |
4969 | */ | |
d3fcc808 | 4970 | for_each_intel_crtc(dev, crtc) { |
77d22dca ID |
4971 | enum intel_display_power_domain domain; |
4972 | ||
83d65738 | 4973 | if (!crtc->base.state->enable) |
77d22dca ID |
4974 | continue; |
4975 | ||
319be8ae | 4976 | pipe_domains[crtc->pipe] = get_crtc_power_domains(&crtc->base); |
77d22dca ID |
4977 | |
4978 | for_each_power_domain(domain, pipe_domains[crtc->pipe]) | |
4979 | intel_display_power_get(dev_priv, domain); | |
4980 | } | |
4981 | ||
50f6e502 | 4982 | if (dev_priv->display.modeset_global_resources) |
679dacd4 | 4983 | dev_priv->display.modeset_global_resources(state); |
50f6e502 | 4984 | |
d3fcc808 | 4985 | for_each_intel_crtc(dev, crtc) { |
77d22dca ID |
4986 | enum intel_display_power_domain domain; |
4987 | ||
4988 | for_each_power_domain(domain, crtc->enabled_power_domains) | |
4989 | intel_display_power_put(dev_priv, domain); | |
4990 | ||
4991 | crtc->enabled_power_domains = pipe_domains[crtc->pipe]; | |
4992 | } | |
4993 | ||
4994 | intel_display_set_init_power(dev_priv, false); | |
4995 | } | |
4996 | ||
dfcab17e | 4997 | /* returns HPLL frequency in kHz */ |
f8bf63fd | 4998 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) |
30a970c6 | 4999 | { |
586f49dc | 5000 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; |
30a970c6 | 5001 | |
586f49dc JB |
5002 | /* Obtain SKU information */ |
5003 | mutex_lock(&dev_priv->dpio_lock); | |
5004 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & | |
5005 | CCK_FUSE_HPLL_FREQ_MASK; | |
5006 | mutex_unlock(&dev_priv->dpio_lock); | |
30a970c6 | 5007 | |
dfcab17e | 5008 | return vco_freq[hpll_freq] * 1000; |
30a970c6 JB |
5009 | } |
5010 | ||
f8bf63fd VS |
5011 | static void vlv_update_cdclk(struct drm_device *dev) |
5012 | { | |
5013 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5014 | ||
5015 | dev_priv->vlv_cdclk_freq = dev_priv->display.get_display_clock_speed(dev); | |
43dc52c3 | 5016 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", |
f8bf63fd VS |
5017 | dev_priv->vlv_cdclk_freq); |
5018 | ||
5019 | /* | |
5020 | * Program the gmbus_freq based on the cdclk frequency. | |
5021 | * BSpec erroneously claims we should aim for 4MHz, but | |
5022 | * in fact 1MHz is the correct frequency. | |
5023 | */ | |
6be1e3d3 | 5024 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->vlv_cdclk_freq, 1000)); |
f8bf63fd VS |
5025 | } |
5026 | ||
30a970c6 JB |
5027 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
5028 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
5029 | { | |
5030 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5031 | u32 val, cmd; | |
5032 | ||
d197b7d3 | 5033 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) != dev_priv->vlv_cdclk_freq); |
d60c4473 | 5034 | |
dfcab17e | 5035 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
30a970c6 | 5036 | cmd = 2; |
dfcab17e | 5037 | else if (cdclk == 266667) |
30a970c6 JB |
5038 | cmd = 1; |
5039 | else | |
5040 | cmd = 0; | |
5041 | ||
5042 | mutex_lock(&dev_priv->rps.hw_lock); | |
5043 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5044 | val &= ~DSPFREQGUAR_MASK; | |
5045 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
5046 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5047 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5048 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
5049 | 50)) { | |
5050 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5051 | } | |
5052 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5053 | ||
dfcab17e | 5054 | if (cdclk == 400000) { |
6bcda4f0 | 5055 | u32 divider; |
30a970c6 | 5056 | |
6bcda4f0 | 5057 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
30a970c6 JB |
5058 | |
5059 | mutex_lock(&dev_priv->dpio_lock); | |
5060 | /* adjust cdclk divider */ | |
5061 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
9cf33db5 | 5062 | val &= ~DISPLAY_FREQUENCY_VALUES; |
30a970c6 JB |
5063 | val |= divider; |
5064 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
a877e801 VS |
5065 | |
5066 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & | |
5067 | DISPLAY_FREQUENCY_STATUS) == (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), | |
5068 | 50)) | |
5069 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
30a970c6 JB |
5070 | mutex_unlock(&dev_priv->dpio_lock); |
5071 | } | |
5072 | ||
5073 | mutex_lock(&dev_priv->dpio_lock); | |
5074 | /* adjust self-refresh exit latency value */ | |
5075 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
5076 | val &= ~0x7f; | |
5077 | ||
5078 | /* | |
5079 | * For high bandwidth configs, we set a higher latency in the bunit | |
5080 | * so that the core display fetch happens in time to avoid underruns. | |
5081 | */ | |
dfcab17e | 5082 | if (cdclk == 400000) |
30a970c6 JB |
5083 | val |= 4500 / 250; /* 4.5 usec */ |
5084 | else | |
5085 | val |= 3000 / 250; /* 3.0 usec */ | |
5086 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
5087 | mutex_unlock(&dev_priv->dpio_lock); | |
5088 | ||
f8bf63fd | 5089 | vlv_update_cdclk(dev); |
30a970c6 JB |
5090 | } |
5091 | ||
383c5a6a VS |
5092 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
5093 | { | |
5094 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5095 | u32 val, cmd; | |
5096 | ||
5097 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) != dev_priv->vlv_cdclk_freq); | |
5098 | ||
5099 | switch (cdclk) { | |
383c5a6a VS |
5100 | case 333333: |
5101 | case 320000: | |
383c5a6a | 5102 | case 266667: |
383c5a6a | 5103 | case 200000: |
383c5a6a VS |
5104 | break; |
5105 | default: | |
5f77eeb0 | 5106 | MISSING_CASE(cdclk); |
383c5a6a VS |
5107 | return; |
5108 | } | |
5109 | ||
9d0d3fda VS |
5110 | /* |
5111 | * Specs are full of misinformation, but testing on actual | |
5112 | * hardware has shown that we just need to write the desired | |
5113 | * CCK divider into the Punit register. | |
5114 | */ | |
5115 | cmd = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; | |
5116 | ||
383c5a6a VS |
5117 | mutex_lock(&dev_priv->rps.hw_lock); |
5118 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5119 | val &= ~DSPFREQGUAR_MASK_CHV; | |
5120 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); | |
5121 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5122 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5123 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), | |
5124 | 50)) { | |
5125 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5126 | } | |
5127 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5128 | ||
5129 | vlv_update_cdclk(dev); | |
5130 | } | |
5131 | ||
30a970c6 JB |
5132 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
5133 | int max_pixclk) | |
5134 | { | |
6bcda4f0 | 5135 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
6cca3195 | 5136 | int limit = IS_CHERRYVIEW(dev_priv) ? 95 : 90; |
29dc7ef3 | 5137 | |
30a970c6 JB |
5138 | /* |
5139 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
5140 | * 200MHz | |
5141 | * 267MHz | |
29dc7ef3 | 5142 | * 320/333MHz (depends on HPLL freq) |
6cca3195 VS |
5143 | * 400MHz (VLV only) |
5144 | * So we check to see whether we're above 90% (VLV) or 95% (CHV) | |
5145 | * of the lower bin and adjust if needed. | |
e37c67a1 VS |
5146 | * |
5147 | * We seem to get an unstable or solid color picture at 200MHz. | |
5148 | * Not sure what's wrong. For now use 200MHz only when all pipes | |
5149 | * are off. | |
30a970c6 | 5150 | */ |
6cca3195 VS |
5151 | if (!IS_CHERRYVIEW(dev_priv) && |
5152 | max_pixclk > freq_320*limit/100) | |
dfcab17e | 5153 | return 400000; |
6cca3195 | 5154 | else if (max_pixclk > 266667*limit/100) |
29dc7ef3 | 5155 | return freq_320; |
e37c67a1 | 5156 | else if (max_pixclk > 0) |
dfcab17e | 5157 | return 266667; |
e37c67a1 VS |
5158 | else |
5159 | return 200000; | |
30a970c6 JB |
5160 | } |
5161 | ||
2f2d7aa1 VS |
5162 | /* compute the max pixel clock for new configuration */ |
5163 | static int intel_mode_max_pixclk(struct drm_i915_private *dev_priv) | |
30a970c6 JB |
5164 | { |
5165 | struct drm_device *dev = dev_priv->dev; | |
5166 | struct intel_crtc *intel_crtc; | |
5167 | int max_pixclk = 0; | |
5168 | ||
d3fcc808 | 5169 | for_each_intel_crtc(dev, intel_crtc) { |
2f2d7aa1 | 5170 | if (intel_crtc->new_enabled) |
30a970c6 | 5171 | max_pixclk = max(max_pixclk, |
2d112de7 | 5172 | intel_crtc->new_config->base.adjusted_mode.crtc_clock); |
30a970c6 JB |
5173 | } |
5174 | ||
5175 | return max_pixclk; | |
5176 | } | |
5177 | ||
5178 | static void valleyview_modeset_global_pipes(struct drm_device *dev, | |
2f2d7aa1 | 5179 | unsigned *prepare_pipes) |
30a970c6 JB |
5180 | { |
5181 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5182 | struct intel_crtc *intel_crtc; | |
2f2d7aa1 | 5183 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
30a970c6 | 5184 | |
d60c4473 ID |
5185 | if (valleyview_calc_cdclk(dev_priv, max_pixclk) == |
5186 | dev_priv->vlv_cdclk_freq) | |
30a970c6 JB |
5187 | return; |
5188 | ||
2f2d7aa1 | 5189 | /* disable/enable all currently active pipes while we change cdclk */ |
d3fcc808 | 5190 | for_each_intel_crtc(dev, intel_crtc) |
83d65738 | 5191 | if (intel_crtc->base.state->enable) |
30a970c6 JB |
5192 | *prepare_pipes |= (1 << intel_crtc->pipe); |
5193 | } | |
5194 | ||
1e69cd74 VS |
5195 | static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) |
5196 | { | |
5197 | unsigned int credits, default_credits; | |
5198 | ||
5199 | if (IS_CHERRYVIEW(dev_priv)) | |
5200 | default_credits = PFI_CREDIT(12); | |
5201 | else | |
5202 | default_credits = PFI_CREDIT(8); | |
5203 | ||
5204 | if (DIV_ROUND_CLOSEST(dev_priv->vlv_cdclk_freq, 1000) >= dev_priv->rps.cz_freq) { | |
5205 | /* CHV suggested value is 31 or 63 */ | |
5206 | if (IS_CHERRYVIEW(dev_priv)) | |
5207 | credits = PFI_CREDIT_31; | |
5208 | else | |
5209 | credits = PFI_CREDIT(15); | |
5210 | } else { | |
5211 | credits = default_credits; | |
5212 | } | |
5213 | ||
5214 | /* | |
5215 | * WA - write default credits before re-programming | |
5216 | * FIXME: should we also set the resend bit here? | |
5217 | */ | |
5218 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
5219 | default_credits); | |
5220 | ||
5221 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
5222 | credits | PFI_CREDIT_RESEND); | |
5223 | ||
5224 | /* | |
5225 | * FIXME is this guaranteed to clear | |
5226 | * immediately or should we poll for it? | |
5227 | */ | |
5228 | WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND); | |
5229 | } | |
5230 | ||
679dacd4 | 5231 | static void valleyview_modeset_global_resources(struct drm_atomic_state *state) |
30a970c6 | 5232 | { |
679dacd4 | 5233 | struct drm_device *dev = state->dev; |
30a970c6 | 5234 | struct drm_i915_private *dev_priv = dev->dev_private; |
2f2d7aa1 | 5235 | int max_pixclk = intel_mode_max_pixclk(dev_priv); |
30a970c6 JB |
5236 | int req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk); |
5237 | ||
383c5a6a | 5238 | if (req_cdclk != dev_priv->vlv_cdclk_freq) { |
738c05c0 ID |
5239 | /* |
5240 | * FIXME: We can end up here with all power domains off, yet | |
5241 | * with a CDCLK frequency other than the minimum. To account | |
5242 | * for this take the PIPE-A power domain, which covers the HW | |
5243 | * blocks needed for the following programming. This can be | |
5244 | * removed once it's guaranteed that we get here either with | |
5245 | * the minimum CDCLK set, or the required power domains | |
5246 | * enabled. | |
5247 | */ | |
5248 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); | |
5249 | ||
383c5a6a VS |
5250 | if (IS_CHERRYVIEW(dev)) |
5251 | cherryview_set_cdclk(dev, req_cdclk); | |
5252 | else | |
5253 | valleyview_set_cdclk(dev, req_cdclk); | |
738c05c0 | 5254 | |
1e69cd74 VS |
5255 | vlv_program_pfi_credits(dev_priv); |
5256 | ||
738c05c0 | 5257 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
383c5a6a | 5258 | } |
30a970c6 JB |
5259 | } |
5260 | ||
89b667f8 JB |
5261 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
5262 | { | |
5263 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 5264 | struct drm_i915_private *dev_priv = to_i915(dev); |
89b667f8 JB |
5265 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5266 | struct intel_encoder *encoder; | |
5267 | int pipe = intel_crtc->pipe; | |
23538ef1 | 5268 | bool is_dsi; |
89b667f8 | 5269 | |
83d65738 | 5270 | WARN_ON(!crtc->state->enable); |
89b667f8 JB |
5271 | |
5272 | if (intel_crtc->active) | |
5273 | return; | |
5274 | ||
409ee761 | 5275 | is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
8525a235 | 5276 | |
1ae0d137 VS |
5277 | if (!is_dsi) { |
5278 | if (IS_CHERRYVIEW(dev)) | |
6e3c9717 | 5279 | chv_prepare_pll(intel_crtc, intel_crtc->config); |
1ae0d137 | 5280 | else |
6e3c9717 | 5281 | vlv_prepare_pll(intel_crtc, intel_crtc->config); |
1ae0d137 | 5282 | } |
5b18e57c | 5283 | |
6e3c9717 | 5284 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 5285 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
5286 | |
5287 | intel_set_pipe_timings(intel_crtc); | |
5288 | ||
c14b0485 VS |
5289 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
5290 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5291 | ||
5292 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); | |
5293 | I915_WRITE(CHV_CANVAS(pipe), 0); | |
5294 | } | |
5295 | ||
5b18e57c DV |
5296 | i9xx_set_pipeconf(intel_crtc); |
5297 | ||
89b667f8 | 5298 | intel_crtc->active = true; |
89b667f8 | 5299 | |
a72e4c9f | 5300 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 5301 | |
89b667f8 JB |
5302 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5303 | if (encoder->pre_pll_enable) | |
5304 | encoder->pre_pll_enable(encoder); | |
5305 | ||
9d556c99 CML |
5306 | if (!is_dsi) { |
5307 | if (IS_CHERRYVIEW(dev)) | |
6e3c9717 | 5308 | chv_enable_pll(intel_crtc, intel_crtc->config); |
9d556c99 | 5309 | else |
6e3c9717 | 5310 | vlv_enable_pll(intel_crtc, intel_crtc->config); |
9d556c99 | 5311 | } |
89b667f8 JB |
5312 | |
5313 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
5314 | if (encoder->pre_enable) | |
5315 | encoder->pre_enable(encoder); | |
5316 | ||
2dd24552 JB |
5317 | i9xx_pfit_enable(intel_crtc); |
5318 | ||
63cbb074 VS |
5319 | intel_crtc_load_lut(crtc); |
5320 | ||
f37fcc2a | 5321 | intel_update_watermarks(crtc); |
e1fdc473 | 5322 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 5323 | |
4b3a9526 VS |
5324 | assert_vblank_disabled(crtc); |
5325 | drm_crtc_vblank_on(crtc); | |
5326 | ||
f9b61ff6 DV |
5327 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5328 | encoder->enable(encoder); | |
5329 | ||
9ab0460b | 5330 | intel_crtc_enable_planes(crtc); |
d40d9187 | 5331 | |
56b80e1f | 5332 | /* Underruns don't raise interrupts, so check manually. */ |
a72e4c9f | 5333 | i9xx_check_fifo_underruns(dev_priv); |
89b667f8 JB |
5334 | } |
5335 | ||
f13c2ef3 DV |
5336 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
5337 | { | |
5338 | struct drm_device *dev = crtc->base.dev; | |
5339 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5340 | ||
6e3c9717 ACO |
5341 | I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0); |
5342 | I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1); | |
f13c2ef3 DV |
5343 | } |
5344 | ||
0b8765c6 | 5345 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
5346 | { |
5347 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 5348 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 5349 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ef9c3aee | 5350 | struct intel_encoder *encoder; |
79e53945 | 5351 | int pipe = intel_crtc->pipe; |
79e53945 | 5352 | |
83d65738 | 5353 | WARN_ON(!crtc->state->enable); |
08a48469 | 5354 | |
f7abfe8b CW |
5355 | if (intel_crtc->active) |
5356 | return; | |
5357 | ||
f13c2ef3 DV |
5358 | i9xx_set_pll_dividers(intel_crtc); |
5359 | ||
6e3c9717 | 5360 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 5361 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
5362 | |
5363 | intel_set_pipe_timings(intel_crtc); | |
5364 | ||
5b18e57c DV |
5365 | i9xx_set_pipeconf(intel_crtc); |
5366 | ||
f7abfe8b | 5367 | intel_crtc->active = true; |
6b383a7f | 5368 | |
4a3436e8 | 5369 | if (!IS_GEN2(dev)) |
a72e4c9f | 5370 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 5371 | |
9d6d9f19 MK |
5372 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5373 | if (encoder->pre_enable) | |
5374 | encoder->pre_enable(encoder); | |
5375 | ||
f6736a1a DV |
5376 | i9xx_enable_pll(intel_crtc); |
5377 | ||
2dd24552 JB |
5378 | i9xx_pfit_enable(intel_crtc); |
5379 | ||
63cbb074 VS |
5380 | intel_crtc_load_lut(crtc); |
5381 | ||
f37fcc2a | 5382 | intel_update_watermarks(crtc); |
e1fdc473 | 5383 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 5384 | |
4b3a9526 VS |
5385 | assert_vblank_disabled(crtc); |
5386 | drm_crtc_vblank_on(crtc); | |
5387 | ||
f9b61ff6 DV |
5388 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5389 | encoder->enable(encoder); | |
5390 | ||
9ab0460b | 5391 | intel_crtc_enable_planes(crtc); |
d40d9187 | 5392 | |
4a3436e8 VS |
5393 | /* |
5394 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
5395 | * So don't enable underrun reporting before at least some planes | |
5396 | * are enabled. | |
5397 | * FIXME: Need to fix the logic to work when we turn off all planes | |
5398 | * but leave the pipe running. | |
5399 | */ | |
5400 | if (IS_GEN2(dev)) | |
a72e4c9f | 5401 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 5402 | |
56b80e1f | 5403 | /* Underruns don't raise interrupts, so check manually. */ |
a72e4c9f | 5404 | i9xx_check_fifo_underruns(dev_priv); |
0b8765c6 | 5405 | } |
79e53945 | 5406 | |
87476d63 DV |
5407 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
5408 | { | |
5409 | struct drm_device *dev = crtc->base.dev; | |
5410 | struct drm_i915_private *dev_priv = dev->dev_private; | |
87476d63 | 5411 | |
6e3c9717 | 5412 | if (!crtc->config->gmch_pfit.control) |
328d8e82 | 5413 | return; |
87476d63 | 5414 | |
328d8e82 | 5415 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 5416 | |
328d8e82 DV |
5417 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
5418 | I915_READ(PFIT_CONTROL)); | |
5419 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
5420 | } |
5421 | ||
0b8765c6 JB |
5422 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
5423 | { | |
5424 | struct drm_device *dev = crtc->dev; | |
5425 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5426 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 5427 | struct intel_encoder *encoder; |
0b8765c6 | 5428 | int pipe = intel_crtc->pipe; |
ef9c3aee | 5429 | |
f7abfe8b CW |
5430 | if (!intel_crtc->active) |
5431 | return; | |
5432 | ||
4a3436e8 VS |
5433 | /* |
5434 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
5435 | * So diasble underrun reporting before all the planes get disabled. | |
5436 | * FIXME: Need to fix the logic to work when we turn off all planes | |
5437 | * but leave the pipe running. | |
5438 | */ | |
5439 | if (IS_GEN2(dev)) | |
a72e4c9f | 5440 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
4a3436e8 | 5441 | |
564ed191 ID |
5442 | /* |
5443 | * Vblank time updates from the shadow to live plane control register | |
5444 | * are blocked if the memory self-refresh mode is active at that | |
5445 | * moment. So to make sure the plane gets truly disabled, disable | |
5446 | * first the self-refresh mode. The self-refresh enable bit in turn | |
5447 | * will be checked/applied by the HW only at the next frame start | |
5448 | * event which is after the vblank start event, so we need to have a | |
5449 | * wait-for-vblank between disabling the plane and the pipe. | |
5450 | */ | |
5451 | intel_set_memory_cxsr(dev_priv, false); | |
9ab0460b VS |
5452 | intel_crtc_disable_planes(crtc); |
5453 | ||
6304cd91 VS |
5454 | /* |
5455 | * On gen2 planes are double buffered but the pipe isn't, so we must | |
5456 | * wait for planes to fully turn off before disabling the pipe. | |
564ed191 ID |
5457 | * We also need to wait on all gmch platforms because of the |
5458 | * self-refresh mode constraint explained above. | |
6304cd91 | 5459 | */ |
564ed191 | 5460 | intel_wait_for_vblank(dev, pipe); |
6304cd91 | 5461 | |
4b3a9526 VS |
5462 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5463 | encoder->disable(encoder); | |
5464 | ||
f9b61ff6 DV |
5465 | drm_crtc_vblank_off(crtc); |
5466 | assert_vblank_disabled(crtc); | |
5467 | ||
575f7ab7 | 5468 | intel_disable_pipe(intel_crtc); |
24a1f16d | 5469 | |
87476d63 | 5470 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 5471 | |
89b667f8 JB |
5472 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5473 | if (encoder->post_disable) | |
5474 | encoder->post_disable(encoder); | |
5475 | ||
409ee761 | 5476 | if (!intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) { |
076ed3b2 CML |
5477 | if (IS_CHERRYVIEW(dev)) |
5478 | chv_disable_pll(dev_priv, pipe); | |
5479 | else if (IS_VALLEYVIEW(dev)) | |
5480 | vlv_disable_pll(dev_priv, pipe); | |
5481 | else | |
1c4e0274 | 5482 | i9xx_disable_pll(intel_crtc); |
076ed3b2 | 5483 | } |
0b8765c6 | 5484 | |
4a3436e8 | 5485 | if (!IS_GEN2(dev)) |
a72e4c9f | 5486 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
4a3436e8 | 5487 | |
f7abfe8b | 5488 | intel_crtc->active = false; |
46ba614c | 5489 | intel_update_watermarks(crtc); |
f37fcc2a | 5490 | |
efa9624e | 5491 | mutex_lock(&dev->struct_mutex); |
7ff0ebcc | 5492 | intel_fbc_update(dev); |
efa9624e | 5493 | mutex_unlock(&dev->struct_mutex); |
0b8765c6 JB |
5494 | } |
5495 | ||
ee7b9f93 JB |
5496 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
5497 | { | |
5498 | } | |
5499 | ||
b04c5bd6 BF |
5500 | /* Master function to enable/disable CRTC and corresponding power wells */ |
5501 | void intel_crtc_control(struct drm_crtc *crtc, bool enable) | |
976f8a20 DV |
5502 | { |
5503 | struct drm_device *dev = crtc->dev; | |
5504 | struct drm_i915_private *dev_priv = dev->dev_private; | |
0e572fe7 | 5505 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
0e572fe7 DV |
5506 | enum intel_display_power_domain domain; |
5507 | unsigned long domains; | |
976f8a20 | 5508 | |
0e572fe7 DV |
5509 | if (enable) { |
5510 | if (!intel_crtc->active) { | |
e1e9fb84 DV |
5511 | domains = get_crtc_power_domains(crtc); |
5512 | for_each_power_domain(domain, domains) | |
5513 | intel_display_power_get(dev_priv, domain); | |
5514 | intel_crtc->enabled_power_domains = domains; | |
0e572fe7 DV |
5515 | |
5516 | dev_priv->display.crtc_enable(crtc); | |
5517 | } | |
5518 | } else { | |
5519 | if (intel_crtc->active) { | |
5520 | dev_priv->display.crtc_disable(crtc); | |
5521 | ||
e1e9fb84 DV |
5522 | domains = intel_crtc->enabled_power_domains; |
5523 | for_each_power_domain(domain, domains) | |
5524 | intel_display_power_put(dev_priv, domain); | |
5525 | intel_crtc->enabled_power_domains = 0; | |
0e572fe7 DV |
5526 | } |
5527 | } | |
b04c5bd6 BF |
5528 | } |
5529 | ||
5530 | /** | |
5531 | * Sets the power management mode of the pipe and plane. | |
5532 | */ | |
5533 | void intel_crtc_update_dpms(struct drm_crtc *crtc) | |
5534 | { | |
5535 | struct drm_device *dev = crtc->dev; | |
5536 | struct intel_encoder *intel_encoder; | |
5537 | bool enable = false; | |
5538 | ||
5539 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) | |
5540 | enable |= intel_encoder->connectors_active; | |
5541 | ||
5542 | intel_crtc_control(crtc, enable); | |
976f8a20 DV |
5543 | } |
5544 | ||
cdd59983 CW |
5545 | static void intel_crtc_disable(struct drm_crtc *crtc) |
5546 | { | |
cdd59983 | 5547 | struct drm_device *dev = crtc->dev; |
976f8a20 | 5548 | struct drm_connector *connector; |
ee7b9f93 | 5549 | struct drm_i915_private *dev_priv = dev->dev_private; |
cdd59983 | 5550 | |
976f8a20 | 5551 | /* crtc should still be enabled when we disable it. */ |
83d65738 | 5552 | WARN_ON(!crtc->state->enable); |
976f8a20 DV |
5553 | |
5554 | dev_priv->display.crtc_disable(crtc); | |
ee7b9f93 JB |
5555 | dev_priv->display.off(crtc); |
5556 | ||
455a6808 | 5557 | crtc->primary->funcs->disable_plane(crtc->primary); |
976f8a20 DV |
5558 | |
5559 | /* Update computed state. */ | |
5560 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
5561 | if (!connector->encoder || !connector->encoder->crtc) | |
5562 | continue; | |
5563 | ||
5564 | if (connector->encoder->crtc != crtc) | |
5565 | continue; | |
5566 | ||
5567 | connector->dpms = DRM_MODE_DPMS_OFF; | |
5568 | to_intel_encoder(connector->encoder)->connectors_active = false; | |
cdd59983 CW |
5569 | } |
5570 | } | |
5571 | ||
ea5b213a | 5572 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 5573 | { |
4ef69c7a | 5574 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 5575 | |
ea5b213a CW |
5576 | drm_encoder_cleanup(encoder); |
5577 | kfree(intel_encoder); | |
7e7d76c3 JB |
5578 | } |
5579 | ||
9237329d | 5580 | /* Simple dpms helper for encoders with just one connector, no cloning and only |
5ab432ef DV |
5581 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
5582 | * state of the entire output pipe. */ | |
9237329d | 5583 | static void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
7e7d76c3 | 5584 | { |
5ab432ef DV |
5585 | if (mode == DRM_MODE_DPMS_ON) { |
5586 | encoder->connectors_active = true; | |
5587 | ||
b2cabb0e | 5588 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef DV |
5589 | } else { |
5590 | encoder->connectors_active = false; | |
5591 | ||
b2cabb0e | 5592 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef | 5593 | } |
79e53945 JB |
5594 | } |
5595 | ||
0a91ca29 DV |
5596 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
5597 | * internal consistency). */ | |
b980514c | 5598 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 5599 | { |
0a91ca29 DV |
5600 | if (connector->get_hw_state(connector)) { |
5601 | struct intel_encoder *encoder = connector->encoder; | |
5602 | struct drm_crtc *crtc; | |
5603 | bool encoder_enabled; | |
5604 | enum pipe pipe; | |
5605 | ||
5606 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
5607 | connector->base.base.id, | |
c23cc417 | 5608 | connector->base.name); |
0a91ca29 | 5609 | |
0e32b39c DA |
5610 | /* there is no real hw state for MST connectors */ |
5611 | if (connector->mst_port) | |
5612 | return; | |
5613 | ||
e2c719b7 | 5614 | I915_STATE_WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, |
0a91ca29 | 5615 | "wrong connector dpms state\n"); |
e2c719b7 | 5616 | I915_STATE_WARN(connector->base.encoder != &encoder->base, |
0a91ca29 | 5617 | "active connector not linked to encoder\n"); |
0a91ca29 | 5618 | |
36cd7444 | 5619 | if (encoder) { |
e2c719b7 | 5620 | I915_STATE_WARN(!encoder->connectors_active, |
36cd7444 DA |
5621 | "encoder->connectors_active not set\n"); |
5622 | ||
5623 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); | |
e2c719b7 RC |
5624 | I915_STATE_WARN(!encoder_enabled, "encoder not enabled\n"); |
5625 | if (I915_STATE_WARN_ON(!encoder->base.crtc)) | |
36cd7444 | 5626 | return; |
0a91ca29 | 5627 | |
36cd7444 | 5628 | crtc = encoder->base.crtc; |
0a91ca29 | 5629 | |
83d65738 MR |
5630 | I915_STATE_WARN(!crtc->state->enable, |
5631 | "crtc not enabled\n"); | |
e2c719b7 RC |
5632 | I915_STATE_WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); |
5633 | I915_STATE_WARN(pipe != to_intel_crtc(crtc)->pipe, | |
36cd7444 DA |
5634 | "encoder active on the wrong pipe\n"); |
5635 | } | |
0a91ca29 | 5636 | } |
79e53945 JB |
5637 | } |
5638 | ||
5ab432ef DV |
5639 | /* Even simpler default implementation, if there's really no special case to |
5640 | * consider. */ | |
5641 | void intel_connector_dpms(struct drm_connector *connector, int mode) | |
79e53945 | 5642 | { |
5ab432ef DV |
5643 | /* All the simple cases only support two dpms states. */ |
5644 | if (mode != DRM_MODE_DPMS_ON) | |
5645 | mode = DRM_MODE_DPMS_OFF; | |
d4270e57 | 5646 | |
5ab432ef DV |
5647 | if (mode == connector->dpms) |
5648 | return; | |
5649 | ||
5650 | connector->dpms = mode; | |
5651 | ||
5652 | /* Only need to change hw state when actually enabled */ | |
c9976dcf CW |
5653 | if (connector->encoder) |
5654 | intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); | |
0a91ca29 | 5655 | |
b980514c | 5656 | intel_modeset_check_state(connector->dev); |
79e53945 JB |
5657 | } |
5658 | ||
f0947c37 DV |
5659 | /* Simple connector->get_hw_state implementation for encoders that support only |
5660 | * one connector and no cloning and hence the encoder state determines the state | |
5661 | * of the connector. */ | |
5662 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 5663 | { |
24929352 | 5664 | enum pipe pipe = 0; |
f0947c37 | 5665 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 5666 | |
f0947c37 | 5667 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
5668 | } |
5669 | ||
6d293983 | 5670 | static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) |
d272ddfa | 5671 | { |
6d293983 ACO |
5672 | if (crtc_state->base.enable && crtc_state->has_pch_encoder) |
5673 | return crtc_state->fdi_lanes; | |
d272ddfa VS |
5674 | |
5675 | return 0; | |
5676 | } | |
5677 | ||
6d293983 | 5678 | static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5cec258b | 5679 | struct intel_crtc_state *pipe_config) |
1857e1da | 5680 | { |
6d293983 ACO |
5681 | struct drm_atomic_state *state = pipe_config->base.state; |
5682 | struct intel_crtc *other_crtc; | |
5683 | struct intel_crtc_state *other_crtc_state; | |
5684 | ||
1857e1da DV |
5685 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
5686 | pipe_name(pipe), pipe_config->fdi_lanes); | |
5687 | if (pipe_config->fdi_lanes > 4) { | |
5688 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
5689 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 5690 | return -EINVAL; |
1857e1da DV |
5691 | } |
5692 | ||
bafb6553 | 5693 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
5694 | if (pipe_config->fdi_lanes > 2) { |
5695 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
5696 | pipe_config->fdi_lanes); | |
6d293983 | 5697 | return -EINVAL; |
1857e1da | 5698 | } else { |
6d293983 | 5699 | return 0; |
1857e1da DV |
5700 | } |
5701 | } | |
5702 | ||
5703 | if (INTEL_INFO(dev)->num_pipes == 2) | |
6d293983 | 5704 | return 0; |
1857e1da DV |
5705 | |
5706 | /* Ivybridge 3 pipe is really complicated */ | |
5707 | switch (pipe) { | |
5708 | case PIPE_A: | |
6d293983 | 5709 | return 0; |
1857e1da | 5710 | case PIPE_B: |
6d293983 ACO |
5711 | if (pipe_config->fdi_lanes <= 2) |
5712 | return 0; | |
5713 | ||
5714 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_C)); | |
5715 | other_crtc_state = | |
5716 | intel_atomic_get_crtc_state(state, other_crtc); | |
5717 | if (IS_ERR(other_crtc_state)) | |
5718 | return PTR_ERR(other_crtc_state); | |
5719 | ||
5720 | if (pipe_required_fdi_lanes(other_crtc_state) > 0) { | |
1857e1da DV |
5721 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
5722 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 5723 | return -EINVAL; |
1857e1da | 5724 | } |
6d293983 | 5725 | return 0; |
1857e1da | 5726 | case PIPE_C: |
251cc67c VS |
5727 | if (pipe_config->fdi_lanes > 2) { |
5728 | DRM_DEBUG_KMS("only 2 lanes on pipe %c: required %i lanes\n", | |
5729 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 5730 | return -EINVAL; |
251cc67c | 5731 | } |
6d293983 ACO |
5732 | |
5733 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_B)); | |
5734 | other_crtc_state = | |
5735 | intel_atomic_get_crtc_state(state, other_crtc); | |
5736 | if (IS_ERR(other_crtc_state)) | |
5737 | return PTR_ERR(other_crtc_state); | |
5738 | ||
5739 | if (pipe_required_fdi_lanes(other_crtc_state) > 2) { | |
1857e1da | 5740 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
6d293983 | 5741 | return -EINVAL; |
1857e1da | 5742 | } |
6d293983 | 5743 | return 0; |
1857e1da DV |
5744 | default: |
5745 | BUG(); | |
5746 | } | |
5747 | } | |
5748 | ||
e29c22c0 DV |
5749 | #define RETRY 1 |
5750 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
5cec258b | 5751 | struct intel_crtc_state *pipe_config) |
877d48d5 | 5752 | { |
1857e1da | 5753 | struct drm_device *dev = intel_crtc->base.dev; |
2d112de7 | 5754 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
6d293983 ACO |
5755 | int lane, link_bw, fdi_dotclock, ret; |
5756 | bool needs_recompute = false; | |
877d48d5 | 5757 | |
e29c22c0 | 5758 | retry: |
877d48d5 DV |
5759 | /* FDI is a binary signal running at ~2.7GHz, encoding |
5760 | * each output octet as 10 bits. The actual frequency | |
5761 | * is stored as a divider into a 100MHz clock, and the | |
5762 | * mode pixel clock is stored in units of 1KHz. | |
5763 | * Hence the bw of each lane in terms of the mode signal | |
5764 | * is: | |
5765 | */ | |
5766 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; | |
5767 | ||
241bfc38 | 5768 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 5769 | |
2bd89a07 | 5770 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
5771 | pipe_config->pipe_bpp); |
5772 | ||
5773 | pipe_config->fdi_lanes = lane; | |
5774 | ||
2bd89a07 | 5775 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 5776 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 5777 | |
6d293983 ACO |
5778 | ret = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
5779 | intel_crtc->pipe, pipe_config); | |
5780 | if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { | |
e29c22c0 DV |
5781 | pipe_config->pipe_bpp -= 2*3; |
5782 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
5783 | pipe_config->pipe_bpp); | |
5784 | needs_recompute = true; | |
5785 | pipe_config->bw_constrained = true; | |
5786 | ||
5787 | goto retry; | |
5788 | } | |
5789 | ||
5790 | if (needs_recompute) | |
5791 | return RETRY; | |
5792 | ||
6d293983 | 5793 | return ret; |
877d48d5 DV |
5794 | } |
5795 | ||
42db64ef | 5796 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5cec258b | 5797 | struct intel_crtc_state *pipe_config) |
42db64ef | 5798 | { |
d330a953 | 5799 | pipe_config->ips_enabled = i915.enable_ips && |
3c4ca58c | 5800 | hsw_crtc_supports_ips(crtc) && |
b6dfdc9b | 5801 | pipe_config->pipe_bpp <= 24; |
42db64ef PZ |
5802 | } |
5803 | ||
a43f6e0f | 5804 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5cec258b | 5805 | struct intel_crtc_state *pipe_config) |
79e53945 | 5806 | { |
a43f6e0f | 5807 | struct drm_device *dev = crtc->base.dev; |
8bd31e67 | 5808 | struct drm_i915_private *dev_priv = dev->dev_private; |
2d112de7 | 5809 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
89749350 | 5810 | |
ad3a4479 | 5811 | /* FIXME should check pixel clock limits on all platforms */ |
cf532bb2 | 5812 | if (INTEL_INFO(dev)->gen < 4) { |
cf532bb2 VS |
5813 | int clock_limit = |
5814 | dev_priv->display.get_display_clock_speed(dev); | |
5815 | ||
5816 | /* | |
5817 | * Enable pixel doubling when the dot clock | |
5818 | * is > 90% of the (display) core speed. | |
5819 | * | |
b397c96b VS |
5820 | * GDG double wide on either pipe, |
5821 | * otherwise pipe A only. | |
cf532bb2 | 5822 | */ |
b397c96b | 5823 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
241bfc38 | 5824 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
ad3a4479 | 5825 | clock_limit *= 2; |
cf532bb2 | 5826 | pipe_config->double_wide = true; |
ad3a4479 VS |
5827 | } |
5828 | ||
241bfc38 | 5829 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
e29c22c0 | 5830 | return -EINVAL; |
2c07245f | 5831 | } |
89749350 | 5832 | |
1d1d0e27 VS |
5833 | /* |
5834 | * Pipe horizontal size must be even in: | |
5835 | * - DVO ganged mode | |
5836 | * - LVDS dual channel mode | |
5837 | * - Double wide pipe | |
5838 | */ | |
a93e255f | 5839 | if ((intel_pipe_will_have_type(pipe_config, INTEL_OUTPUT_LVDS) && |
1d1d0e27 VS |
5840 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
5841 | pipe_config->pipe_src_w &= ~1; | |
5842 | ||
8693a824 DL |
5843 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
5844 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
5845 | */ |
5846 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
5847 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) | |
e29c22c0 | 5848 | return -EINVAL; |
44f46b42 | 5849 | |
bd080ee5 | 5850 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) { |
5d2d38dd | 5851 | pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */ |
bd080ee5 | 5852 | } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8*3) { |
5d2d38dd DV |
5853 | /* only a 8bpc pipe, with 6bpc dither through the panel fitter |
5854 | * for lvds. */ | |
5855 | pipe_config->pipe_bpp = 8*3; | |
5856 | } | |
5857 | ||
f5adf94e | 5858 | if (HAS_IPS(dev)) |
a43f6e0f DV |
5859 | hsw_compute_ips_config(crtc, pipe_config); |
5860 | ||
877d48d5 | 5861 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 5862 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 5863 | |
e29c22c0 | 5864 | return 0; |
79e53945 JB |
5865 | } |
5866 | ||
1652d19e VS |
5867 | static int skylake_get_display_clock_speed(struct drm_device *dev) |
5868 | { | |
5869 | struct drm_i915_private *dev_priv = to_i915(dev); | |
5870 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
5871 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
5872 | uint32_t linkrate; | |
5873 | ||
5874 | if (!(lcpll1 & LCPLL_PLL_ENABLE)) { | |
5875 | WARN(1, "LCPLL1 not enabled\n"); | |
5876 | return 24000; /* 24MHz is the cd freq with NSSC ref */ | |
5877 | } | |
5878 | ||
5879 | if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540) | |
5880 | return 540000; | |
5881 | ||
5882 | linkrate = (I915_READ(DPLL_CTRL1) & | |
5883 | DPLL_CRTL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1; | |
5884 | ||
5885 | if (linkrate == DPLL_CRTL1_LINK_RATE_2160 || | |
5886 | linkrate == DPLL_CRTL1_LINK_RATE_1080) { | |
5887 | /* vco 8640 */ | |
5888 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
5889 | case CDCLK_FREQ_450_432: | |
5890 | return 432000; | |
5891 | case CDCLK_FREQ_337_308: | |
5892 | return 308570; | |
5893 | case CDCLK_FREQ_675_617: | |
5894 | return 617140; | |
5895 | default: | |
5896 | WARN(1, "Unknown cd freq selection\n"); | |
5897 | } | |
5898 | } else { | |
5899 | /* vco 8100 */ | |
5900 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
5901 | case CDCLK_FREQ_450_432: | |
5902 | return 450000; | |
5903 | case CDCLK_FREQ_337_308: | |
5904 | return 337500; | |
5905 | case CDCLK_FREQ_675_617: | |
5906 | return 675000; | |
5907 | default: | |
5908 | WARN(1, "Unknown cd freq selection\n"); | |
5909 | } | |
5910 | } | |
5911 | ||
5912 | /* error case, do as if DPLL0 isn't enabled */ | |
5913 | return 24000; | |
5914 | } | |
5915 | ||
5916 | static int broadwell_get_display_clock_speed(struct drm_device *dev) | |
5917 | { | |
5918 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5919 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
5920 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
5921 | ||
5922 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
5923 | return 800000; | |
5924 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
5925 | return 450000; | |
5926 | else if (freq == LCPLL_CLK_FREQ_450) | |
5927 | return 450000; | |
5928 | else if (freq == LCPLL_CLK_FREQ_54O_BDW) | |
5929 | return 540000; | |
5930 | else if (freq == LCPLL_CLK_FREQ_337_5_BDW) | |
5931 | return 337500; | |
5932 | else | |
5933 | return 675000; | |
5934 | } | |
5935 | ||
5936 | static int haswell_get_display_clock_speed(struct drm_device *dev) | |
5937 | { | |
5938 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5939 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
5940 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
5941 | ||
5942 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
5943 | return 800000; | |
5944 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
5945 | return 450000; | |
5946 | else if (freq == LCPLL_CLK_FREQ_450) | |
5947 | return 450000; | |
5948 | else if (IS_HSW_ULT(dev)) | |
5949 | return 337500; | |
5950 | else | |
5951 | return 540000; | |
5952 | } | |
5953 | ||
25eb05fc JB |
5954 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
5955 | { | |
d197b7d3 | 5956 | struct drm_i915_private *dev_priv = dev->dev_private; |
d197b7d3 VS |
5957 | u32 val; |
5958 | int divider; | |
5959 | ||
6bcda4f0 VS |
5960 | if (dev_priv->hpll_freq == 0) |
5961 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); | |
5962 | ||
d197b7d3 VS |
5963 | mutex_lock(&dev_priv->dpio_lock); |
5964 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
5965 | mutex_unlock(&dev_priv->dpio_lock); | |
5966 | ||
5967 | divider = val & DISPLAY_FREQUENCY_VALUES; | |
5968 | ||
7d007f40 VS |
5969 | WARN((val & DISPLAY_FREQUENCY_STATUS) != |
5970 | (divider << DISPLAY_FREQUENCY_STATUS_SHIFT), | |
5971 | "cdclk change in progress\n"); | |
5972 | ||
6bcda4f0 | 5973 | return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); |
25eb05fc JB |
5974 | } |
5975 | ||
b37a6434 VS |
5976 | static int ilk_get_display_clock_speed(struct drm_device *dev) |
5977 | { | |
5978 | return 450000; | |
5979 | } | |
5980 | ||
e70236a8 JB |
5981 | static int i945_get_display_clock_speed(struct drm_device *dev) |
5982 | { | |
5983 | return 400000; | |
5984 | } | |
79e53945 | 5985 | |
e70236a8 | 5986 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 5987 | { |
e907f170 | 5988 | return 333333; |
e70236a8 | 5989 | } |
79e53945 | 5990 | |
e70236a8 JB |
5991 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
5992 | { | |
5993 | return 200000; | |
5994 | } | |
79e53945 | 5995 | |
257a7ffc DV |
5996 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
5997 | { | |
5998 | u16 gcfgc = 0; | |
5999 | ||
6000 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
6001 | ||
6002 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6003 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
e907f170 | 6004 | return 266667; |
257a7ffc | 6005 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
e907f170 | 6006 | return 333333; |
257a7ffc | 6007 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
e907f170 | 6008 | return 444444; |
257a7ffc DV |
6009 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
6010 | return 200000; | |
6011 | default: | |
6012 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
6013 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
e907f170 | 6014 | return 133333; |
257a7ffc | 6015 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
e907f170 | 6016 | return 166667; |
257a7ffc DV |
6017 | } |
6018 | } | |
6019 | ||
e70236a8 JB |
6020 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
6021 | { | |
6022 | u16 gcfgc = 0; | |
79e53945 | 6023 | |
e70236a8 JB |
6024 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
6025 | ||
6026 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
e907f170 | 6027 | return 133333; |
e70236a8 JB |
6028 | else { |
6029 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6030 | case GC_DISPLAY_CLOCK_333_MHZ: | |
e907f170 | 6031 | return 333333; |
e70236a8 JB |
6032 | default: |
6033 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
6034 | return 190000; | |
79e53945 | 6035 | } |
e70236a8 JB |
6036 | } |
6037 | } | |
6038 | ||
6039 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
6040 | { | |
e907f170 | 6041 | return 266667; |
e70236a8 JB |
6042 | } |
6043 | ||
6044 | static int i855_get_display_clock_speed(struct drm_device *dev) | |
6045 | { | |
6046 | u16 hpllcc = 0; | |
6047 | /* Assume that the hardware is in the high speed state. This | |
6048 | * should be the default. | |
6049 | */ | |
6050 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
6051 | case GC_CLOCK_133_200: | |
6052 | case GC_CLOCK_100_200: | |
6053 | return 200000; | |
6054 | case GC_CLOCK_166_250: | |
6055 | return 250000; | |
6056 | case GC_CLOCK_100_133: | |
e907f170 | 6057 | return 133333; |
e70236a8 | 6058 | } |
79e53945 | 6059 | |
e70236a8 JB |
6060 | /* Shouldn't happen */ |
6061 | return 0; | |
6062 | } | |
79e53945 | 6063 | |
e70236a8 JB |
6064 | static int i830_get_display_clock_speed(struct drm_device *dev) |
6065 | { | |
e907f170 | 6066 | return 133333; |
79e53945 JB |
6067 | } |
6068 | ||
2c07245f | 6069 | static void |
a65851af | 6070 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 6071 | { |
a65851af VS |
6072 | while (*num > DATA_LINK_M_N_MASK || |
6073 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
6074 | *num >>= 1; |
6075 | *den >>= 1; | |
6076 | } | |
6077 | } | |
6078 | ||
a65851af VS |
6079 | static void compute_m_n(unsigned int m, unsigned int n, |
6080 | uint32_t *ret_m, uint32_t *ret_n) | |
6081 | { | |
6082 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
6083 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
6084 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
6085 | } | |
6086 | ||
e69d0bc1 DV |
6087 | void |
6088 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
6089 | int pixel_clock, int link_clock, | |
6090 | struct intel_link_m_n *m_n) | |
2c07245f | 6091 | { |
e69d0bc1 | 6092 | m_n->tu = 64; |
a65851af VS |
6093 | |
6094 | compute_m_n(bits_per_pixel * pixel_clock, | |
6095 | link_clock * nlanes * 8, | |
6096 | &m_n->gmch_m, &m_n->gmch_n); | |
6097 | ||
6098 | compute_m_n(pixel_clock, link_clock, | |
6099 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
6100 | } |
6101 | ||
a7615030 CW |
6102 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
6103 | { | |
d330a953 JN |
6104 | if (i915.panel_use_ssc >= 0) |
6105 | return i915.panel_use_ssc != 0; | |
41aa3448 | 6106 | return dev_priv->vbt.lvds_use_ssc |
435793df | 6107 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
6108 | } |
6109 | ||
a93e255f ACO |
6110 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
6111 | int num_connectors) | |
c65d77d8 | 6112 | { |
a93e255f | 6113 | struct drm_device *dev = crtc_state->base.crtc->dev; |
c65d77d8 JB |
6114 | struct drm_i915_private *dev_priv = dev->dev_private; |
6115 | int refclk; | |
6116 | ||
a93e255f ACO |
6117 | WARN_ON(!crtc_state->base.state); |
6118 | ||
a0c4da24 | 6119 | if (IS_VALLEYVIEW(dev)) { |
9a0ea498 | 6120 | refclk = 100000; |
a93e255f | 6121 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
c65d77d8 | 6122 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
e91e941b VS |
6123 | refclk = dev_priv->vbt.lvds_ssc_freq; |
6124 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
c65d77d8 JB |
6125 | } else if (!IS_GEN2(dev)) { |
6126 | refclk = 96000; | |
6127 | } else { | |
6128 | refclk = 48000; | |
6129 | } | |
6130 | ||
6131 | return refclk; | |
6132 | } | |
6133 | ||
7429e9d4 | 6134 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 6135 | { |
7df00d7a | 6136 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 6137 | } |
f47709a9 | 6138 | |
7429e9d4 DV |
6139 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
6140 | { | |
6141 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
6142 | } |
6143 | ||
f47709a9 | 6144 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
190f68c5 | 6145 | struct intel_crtc_state *crtc_state, |
a7516a05 JB |
6146 | intel_clock_t *reduced_clock) |
6147 | { | |
f47709a9 | 6148 | struct drm_device *dev = crtc->base.dev; |
a7516a05 JB |
6149 | u32 fp, fp2 = 0; |
6150 | ||
6151 | if (IS_PINEVIEW(dev)) { | |
190f68c5 | 6152 | fp = pnv_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 6153 | if (reduced_clock) |
7429e9d4 | 6154 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 6155 | } else { |
190f68c5 | 6156 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 6157 | if (reduced_clock) |
7429e9d4 | 6158 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
6159 | } |
6160 | ||
190f68c5 | 6161 | crtc_state->dpll_hw_state.fp0 = fp; |
a7516a05 | 6162 | |
f47709a9 | 6163 | crtc->lowfreq_avail = false; |
a93e255f | 6164 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ab585dea | 6165 | reduced_clock) { |
190f68c5 | 6166 | crtc_state->dpll_hw_state.fp1 = fp2; |
f47709a9 | 6167 | crtc->lowfreq_avail = true; |
a7516a05 | 6168 | } else { |
190f68c5 | 6169 | crtc_state->dpll_hw_state.fp1 = fp; |
a7516a05 JB |
6170 | } |
6171 | } | |
6172 | ||
5e69f97f CML |
6173 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
6174 | pipe) | |
89b667f8 JB |
6175 | { |
6176 | u32 reg_val; | |
6177 | ||
6178 | /* | |
6179 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
6180 | * and set it to a reasonable value instead. | |
6181 | */ | |
ab3c759a | 6182 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
6183 | reg_val &= 0xffffff00; |
6184 | reg_val |= 0x00000030; | |
ab3c759a | 6185 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 6186 | |
ab3c759a | 6187 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
6188 | reg_val &= 0x8cffffff; |
6189 | reg_val = 0x8c000000; | |
ab3c759a | 6190 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 6191 | |
ab3c759a | 6192 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 6193 | reg_val &= 0xffffff00; |
ab3c759a | 6194 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 6195 | |
ab3c759a | 6196 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
6197 | reg_val &= 0x00ffffff; |
6198 | reg_val |= 0xb0000000; | |
ab3c759a | 6199 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
6200 | } |
6201 | ||
b551842d DV |
6202 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
6203 | struct intel_link_m_n *m_n) | |
6204 | { | |
6205 | struct drm_device *dev = crtc->base.dev; | |
6206 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6207 | int pipe = crtc->pipe; | |
6208 | ||
e3b95f1e DV |
6209 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
6210 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
6211 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
6212 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
6213 | } |
6214 | ||
6215 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
f769cd24 VK |
6216 | struct intel_link_m_n *m_n, |
6217 | struct intel_link_m_n *m2_n2) | |
b551842d DV |
6218 | { |
6219 | struct drm_device *dev = crtc->base.dev; | |
6220 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6221 | int pipe = crtc->pipe; | |
6e3c9717 | 6222 | enum transcoder transcoder = crtc->config->cpu_transcoder; |
b551842d DV |
6223 | |
6224 | if (INTEL_INFO(dev)->gen >= 5) { | |
6225 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
6226 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
6227 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
6228 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
f769cd24 VK |
6229 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
6230 | * for gen < 8) and if DRRS is supported (to make sure the | |
6231 | * registers are not unnecessarily accessed). | |
6232 | */ | |
44395bfe | 6233 | if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && |
6e3c9717 | 6234 | crtc->config->has_drrs) { |
f769cd24 VK |
6235 | I915_WRITE(PIPE_DATA_M2(transcoder), |
6236 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); | |
6237 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); | |
6238 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); | |
6239 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); | |
6240 | } | |
b551842d | 6241 | } else { |
e3b95f1e DV |
6242 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
6243 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
6244 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
6245 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
6246 | } |
6247 | } | |
6248 | ||
fe3cd48d | 6249 | void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) |
03afc4a2 | 6250 | { |
fe3cd48d R |
6251 | struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; |
6252 | ||
6253 | if (m_n == M1_N1) { | |
6254 | dp_m_n = &crtc->config->dp_m_n; | |
6255 | dp_m2_n2 = &crtc->config->dp_m2_n2; | |
6256 | } else if (m_n == M2_N2) { | |
6257 | ||
6258 | /* | |
6259 | * M2_N2 registers are not supported. Hence m2_n2 divider value | |
6260 | * needs to be programmed into M1_N1. | |
6261 | */ | |
6262 | dp_m_n = &crtc->config->dp_m2_n2; | |
6263 | } else { | |
6264 | DRM_ERROR("Unsupported divider value\n"); | |
6265 | return; | |
6266 | } | |
6267 | ||
6e3c9717 ACO |
6268 | if (crtc->config->has_pch_encoder) |
6269 | intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); | |
03afc4a2 | 6270 | else |
fe3cd48d | 6271 | intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); |
03afc4a2 DV |
6272 | } |
6273 | ||
d288f65f | 6274 | static void vlv_update_pll(struct intel_crtc *crtc, |
5cec258b | 6275 | struct intel_crtc_state *pipe_config) |
bdd4b6a6 DV |
6276 | { |
6277 | u32 dpll, dpll_md; | |
6278 | ||
6279 | /* | |
6280 | * Enable DPIO clock input. We should never disable the reference | |
6281 | * clock for pipe B, since VGA hotplug / manual detection depends | |
6282 | * on it. | |
6283 | */ | |
6284 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | | |
6285 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; | |
6286 | /* We should never disable this, set it here for state tracking */ | |
6287 | if (crtc->pipe == PIPE_B) | |
6288 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
6289 | dpll |= DPLL_VCO_ENABLE; | |
d288f65f | 6290 | pipe_config->dpll_hw_state.dpll = dpll; |
bdd4b6a6 | 6291 | |
d288f65f | 6292 | dpll_md = (pipe_config->pixel_multiplier - 1) |
bdd4b6a6 | 6293 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
d288f65f | 6294 | pipe_config->dpll_hw_state.dpll_md = dpll_md; |
bdd4b6a6 DV |
6295 | } |
6296 | ||
d288f65f | 6297 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 6298 | const struct intel_crtc_state *pipe_config) |
a0c4da24 | 6299 | { |
f47709a9 | 6300 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 6301 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 6302 | int pipe = crtc->pipe; |
bdd4b6a6 | 6303 | u32 mdiv; |
a0c4da24 | 6304 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
bdd4b6a6 | 6305 | u32 coreclk, reg_val; |
a0c4da24 | 6306 | |
09153000 DV |
6307 | mutex_lock(&dev_priv->dpio_lock); |
6308 | ||
d288f65f VS |
6309 | bestn = pipe_config->dpll.n; |
6310 | bestm1 = pipe_config->dpll.m1; | |
6311 | bestm2 = pipe_config->dpll.m2; | |
6312 | bestp1 = pipe_config->dpll.p1; | |
6313 | bestp2 = pipe_config->dpll.p2; | |
a0c4da24 | 6314 | |
89b667f8 JB |
6315 | /* See eDP HDMI DPIO driver vbios notes doc */ |
6316 | ||
6317 | /* PLL B needs special handling */ | |
bdd4b6a6 | 6318 | if (pipe == PIPE_B) |
5e69f97f | 6319 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
6320 | |
6321 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 6322 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
6323 | |
6324 | /* Disable target IRef on PLL */ | |
ab3c759a | 6325 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 6326 | reg_val &= 0x00ffffff; |
ab3c759a | 6327 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
6328 | |
6329 | /* Disable fast lock */ | |
ab3c759a | 6330 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
6331 | |
6332 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
6333 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
6334 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
6335 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 6336 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
6337 | |
6338 | /* | |
6339 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
6340 | * but we don't support that). | |
6341 | * Note: don't use the DAC post divider as it seems unstable. | |
6342 | */ | |
6343 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 6344 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 6345 | |
a0c4da24 | 6346 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 6347 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 6348 | |
89b667f8 | 6349 | /* Set HBR and RBR LPF coefficients */ |
d288f65f | 6350 | if (pipe_config->port_clock == 162000 || |
409ee761 ACO |
6351 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG) || |
6352 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) | |
ab3c759a | 6353 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 6354 | 0x009f0003); |
89b667f8 | 6355 | else |
ab3c759a | 6356 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
6357 | 0x00d0000f); |
6358 | ||
681a8504 | 6359 | if (pipe_config->has_dp_encoder) { |
89b667f8 | 6360 | /* Use SSC source */ |
bdd4b6a6 | 6361 | if (pipe == PIPE_A) |
ab3c759a | 6362 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6363 | 0x0df40000); |
6364 | else | |
ab3c759a | 6365 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6366 | 0x0df70000); |
6367 | } else { /* HDMI or VGA */ | |
6368 | /* Use bend source */ | |
bdd4b6a6 | 6369 | if (pipe == PIPE_A) |
ab3c759a | 6370 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6371 | 0x0df70000); |
6372 | else | |
ab3c759a | 6373 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
6374 | 0x0df40000); |
6375 | } | |
a0c4da24 | 6376 | |
ab3c759a | 6377 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 | 6378 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
409ee761 ACO |
6379 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
6380 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) | |
89b667f8 | 6381 | coreclk |= 0x01000000; |
ab3c759a | 6382 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 6383 | |
ab3c759a | 6384 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
09153000 | 6385 | mutex_unlock(&dev_priv->dpio_lock); |
a0c4da24 JB |
6386 | } |
6387 | ||
d288f65f | 6388 | static void chv_update_pll(struct intel_crtc *crtc, |
5cec258b | 6389 | struct intel_crtc_state *pipe_config) |
1ae0d137 | 6390 | { |
d288f65f | 6391 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV | |
1ae0d137 VS |
6392 | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | |
6393 | DPLL_VCO_ENABLE; | |
6394 | if (crtc->pipe != PIPE_A) | |
d288f65f | 6395 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1ae0d137 | 6396 | |
d288f65f VS |
6397 | pipe_config->dpll_hw_state.dpll_md = |
6398 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
1ae0d137 VS |
6399 | } |
6400 | ||
d288f65f | 6401 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 6402 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
6403 | { |
6404 | struct drm_device *dev = crtc->base.dev; | |
6405 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6406 | int pipe = crtc->pipe; | |
6407 | int dpll_reg = DPLL(crtc->pipe); | |
6408 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9cbe40c1 | 6409 | u32 loopfilter, tribuf_calcntr; |
9d556c99 | 6410 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
a945ce7e | 6411 | u32 dpio_val; |
9cbe40c1 | 6412 | int vco; |
9d556c99 | 6413 | |
d288f65f VS |
6414 | bestn = pipe_config->dpll.n; |
6415 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; | |
6416 | bestm1 = pipe_config->dpll.m1; | |
6417 | bestm2 = pipe_config->dpll.m2 >> 22; | |
6418 | bestp1 = pipe_config->dpll.p1; | |
6419 | bestp2 = pipe_config->dpll.p2; | |
9cbe40c1 | 6420 | vco = pipe_config->dpll.vco; |
a945ce7e | 6421 | dpio_val = 0; |
9cbe40c1 | 6422 | loopfilter = 0; |
9d556c99 CML |
6423 | |
6424 | /* | |
6425 | * Enable Refclk and SSC | |
6426 | */ | |
a11b0703 | 6427 | I915_WRITE(dpll_reg, |
d288f65f | 6428 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
a11b0703 VS |
6429 | |
6430 | mutex_lock(&dev_priv->dpio_lock); | |
9d556c99 | 6431 | |
9d556c99 CML |
6432 | /* p1 and p2 divider */ |
6433 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), | |
6434 | 5 << DPIO_CHV_S1_DIV_SHIFT | | |
6435 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | | |
6436 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | | |
6437 | 1 << DPIO_CHV_K_DIV_SHIFT); | |
6438 | ||
6439 | /* Feedback post-divider - m2 */ | |
6440 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); | |
6441 | ||
6442 | /* Feedback refclk divider - n and m1 */ | |
6443 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), | |
6444 | DPIO_CHV_M1_DIV_BY_2 | | |
6445 | 1 << DPIO_CHV_N_DIV_SHIFT); | |
6446 | ||
6447 | /* M2 fraction division */ | |
a945ce7e VP |
6448 | if (bestm2_frac) |
6449 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); | |
9d556c99 CML |
6450 | |
6451 | /* M2 fraction division enable */ | |
a945ce7e VP |
6452 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
6453 | dpio_val &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN); | |
6454 | dpio_val |= (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT); | |
6455 | if (bestm2_frac) | |
6456 | dpio_val |= DPIO_CHV_FRAC_DIV_EN; | |
6457 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), dpio_val); | |
9d556c99 | 6458 | |
de3a0fde VP |
6459 | /* Program digital lock detect threshold */ |
6460 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW9(port)); | |
6461 | dpio_val &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK | | |
6462 | DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE); | |
6463 | dpio_val |= (0x5 << DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT); | |
6464 | if (!bestm2_frac) | |
6465 | dpio_val |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE; | |
6466 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW9(port), dpio_val); | |
6467 | ||
9d556c99 | 6468 | /* Loop filter */ |
9cbe40c1 VP |
6469 | if (vco == 5400000) { |
6470 | loopfilter |= (0x3 << DPIO_CHV_PROP_COEFF_SHIFT); | |
6471 | loopfilter |= (0x8 << DPIO_CHV_INT_COEFF_SHIFT); | |
6472 | loopfilter |= (0x1 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
6473 | tribuf_calcntr = 0x9; | |
6474 | } else if (vco <= 6200000) { | |
6475 | loopfilter |= (0x5 << DPIO_CHV_PROP_COEFF_SHIFT); | |
6476 | loopfilter |= (0xB << DPIO_CHV_INT_COEFF_SHIFT); | |
6477 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
6478 | tribuf_calcntr = 0x9; | |
6479 | } else if (vco <= 6480000) { | |
6480 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
6481 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
6482 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
6483 | tribuf_calcntr = 0x8; | |
6484 | } else { | |
6485 | /* Not supported. Apply the same limits as in the max case */ | |
6486 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
6487 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
6488 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
6489 | tribuf_calcntr = 0; | |
6490 | } | |
9d556c99 CML |
6491 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
6492 | ||
968040b2 | 6493 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW8(port)); |
9cbe40c1 VP |
6494 | dpio_val &= ~DPIO_CHV_TDC_TARGET_CNT_MASK; |
6495 | dpio_val |= (tribuf_calcntr << DPIO_CHV_TDC_TARGET_CNT_SHIFT); | |
6496 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW8(port), dpio_val); | |
6497 | ||
9d556c99 CML |
6498 | /* AFC Recal */ |
6499 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), | |
6500 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | | |
6501 | DPIO_AFC_RECAL); | |
6502 | ||
6503 | mutex_unlock(&dev_priv->dpio_lock); | |
6504 | } | |
6505 | ||
d288f65f VS |
6506 | /** |
6507 | * vlv_force_pll_on - forcibly enable just the PLL | |
6508 | * @dev_priv: i915 private structure | |
6509 | * @pipe: pipe PLL to enable | |
6510 | * @dpll: PLL configuration | |
6511 | * | |
6512 | * Enable the PLL for @pipe using the supplied @dpll config. To be used | |
6513 | * in cases where we need the PLL enabled even when @pipe is not going to | |
6514 | * be enabled. | |
6515 | */ | |
6516 | void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, | |
6517 | const struct dpll *dpll) | |
6518 | { | |
6519 | struct intel_crtc *crtc = | |
6520 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
5cec258b | 6521 | struct intel_crtc_state pipe_config = { |
a93e255f | 6522 | .base.crtc = &crtc->base, |
d288f65f VS |
6523 | .pixel_multiplier = 1, |
6524 | .dpll = *dpll, | |
6525 | }; | |
6526 | ||
6527 | if (IS_CHERRYVIEW(dev)) { | |
6528 | chv_update_pll(crtc, &pipe_config); | |
6529 | chv_prepare_pll(crtc, &pipe_config); | |
6530 | chv_enable_pll(crtc, &pipe_config); | |
6531 | } else { | |
6532 | vlv_update_pll(crtc, &pipe_config); | |
6533 | vlv_prepare_pll(crtc, &pipe_config); | |
6534 | vlv_enable_pll(crtc, &pipe_config); | |
6535 | } | |
6536 | } | |
6537 | ||
6538 | /** | |
6539 | * vlv_force_pll_off - forcibly disable just the PLL | |
6540 | * @dev_priv: i915 private structure | |
6541 | * @pipe: pipe PLL to disable | |
6542 | * | |
6543 | * Disable the PLL for @pipe. To be used in cases where we need | |
6544 | * the PLL enabled even when @pipe is not going to be enabled. | |
6545 | */ | |
6546 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) | |
6547 | { | |
6548 | if (IS_CHERRYVIEW(dev)) | |
6549 | chv_disable_pll(to_i915(dev), pipe); | |
6550 | else | |
6551 | vlv_disable_pll(to_i915(dev), pipe); | |
6552 | } | |
6553 | ||
f47709a9 | 6554 | static void i9xx_update_pll(struct intel_crtc *crtc, |
190f68c5 | 6555 | struct intel_crtc_state *crtc_state, |
f47709a9 | 6556 | intel_clock_t *reduced_clock, |
eb1cbe48 DV |
6557 | int num_connectors) |
6558 | { | |
f47709a9 | 6559 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 6560 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 DV |
6561 | u32 dpll; |
6562 | bool is_sdvo; | |
190f68c5 | 6563 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 6564 | |
190f68c5 | 6565 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 6566 | |
a93e255f ACO |
6567 | is_sdvo = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO) || |
6568 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
6569 | |
6570 | dpll = DPLL_VGA_MODE_DIS; | |
6571 | ||
a93e255f | 6572 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
6573 | dpll |= DPLLB_MODE_LVDS; |
6574 | else | |
6575 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 6576 | |
ef1b460d | 6577 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
190f68c5 | 6578 | dpll |= (crtc_state->pixel_multiplier - 1) |
198a037f | 6579 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
eb1cbe48 | 6580 | } |
198a037f DV |
6581 | |
6582 | if (is_sdvo) | |
4a33e48d | 6583 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 6584 | |
190f68c5 | 6585 | if (crtc_state->has_dp_encoder) |
4a33e48d | 6586 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
6587 | |
6588 | /* compute bitmask from p1 value */ | |
6589 | if (IS_PINEVIEW(dev)) | |
6590 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
6591 | else { | |
6592 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
6593 | if (IS_G4X(dev) && reduced_clock) | |
6594 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
6595 | } | |
6596 | switch (clock->p2) { | |
6597 | case 5: | |
6598 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
6599 | break; | |
6600 | case 7: | |
6601 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
6602 | break; | |
6603 | case 10: | |
6604 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
6605 | break; | |
6606 | case 14: | |
6607 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
6608 | break; | |
6609 | } | |
6610 | if (INTEL_INFO(dev)->gen >= 4) | |
6611 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
6612 | ||
190f68c5 | 6613 | if (crtc_state->sdvo_tv_clock) |
eb1cbe48 | 6614 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
a93e255f | 6615 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
6616 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
6617 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
6618 | else | |
6619 | dpll |= PLL_REF_INPUT_DREFCLK; | |
6620 | ||
6621 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 6622 | crtc_state->dpll_hw_state.dpll = dpll; |
8bcc2795 | 6623 | |
eb1cbe48 | 6624 | if (INTEL_INFO(dev)->gen >= 4) { |
190f68c5 | 6625 | u32 dpll_md = (crtc_state->pixel_multiplier - 1) |
ef1b460d | 6626 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
190f68c5 | 6627 | crtc_state->dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
6628 | } |
6629 | } | |
6630 | ||
f47709a9 | 6631 | static void i8xx_update_pll(struct intel_crtc *crtc, |
190f68c5 | 6632 | struct intel_crtc_state *crtc_state, |
f47709a9 | 6633 | intel_clock_t *reduced_clock, |
eb1cbe48 DV |
6634 | int num_connectors) |
6635 | { | |
f47709a9 | 6636 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 6637 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 | 6638 | u32 dpll; |
190f68c5 | 6639 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 6640 | |
190f68c5 | 6641 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 6642 | |
eb1cbe48 DV |
6643 | dpll = DPLL_VGA_MODE_DIS; |
6644 | ||
a93e255f | 6645 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
6646 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
6647 | } else { | |
6648 | if (clock->p1 == 2) | |
6649 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
6650 | else | |
6651 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
6652 | if (clock->p2 == 4) | |
6653 | dpll |= PLL_P2_DIVIDE_BY_4; | |
6654 | } | |
6655 | ||
a93e255f | 6656 | if (!IS_I830(dev) && intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
4a33e48d DV |
6657 | dpll |= DPLL_DVO_2X_MODE; |
6658 | ||
a93e255f | 6659 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
6660 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
6661 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
6662 | else | |
6663 | dpll |= PLL_REF_INPUT_DREFCLK; | |
6664 | ||
6665 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 6666 | crtc_state->dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
6667 | } |
6668 | ||
8a654f3b | 6669 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
6670 | { |
6671 | struct drm_device *dev = intel_crtc->base.dev; | |
6672 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6673 | enum pipe pipe = intel_crtc->pipe; | |
6e3c9717 | 6674 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
8a654f3b | 6675 | struct drm_display_mode *adjusted_mode = |
6e3c9717 | 6676 | &intel_crtc->config->base.adjusted_mode; |
1caea6e9 VS |
6677 | uint32_t crtc_vtotal, crtc_vblank_end; |
6678 | int vsyncshift = 0; | |
4d8a62ea DV |
6679 | |
6680 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
6681 | * the hw state checker will get angry at the mismatch. */ | |
6682 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
6683 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 6684 | |
609aeaca | 6685 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 6686 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
6687 | crtc_vtotal -= 1; |
6688 | crtc_vblank_end -= 1; | |
609aeaca | 6689 | |
409ee761 | 6690 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
609aeaca VS |
6691 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
6692 | else | |
6693 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
6694 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
6695 | if (vsyncshift < 0) |
6696 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
6697 | } |
6698 | ||
6699 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 6700 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 6701 | |
fe2b8f9d | 6702 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
6703 | (adjusted_mode->crtc_hdisplay - 1) | |
6704 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 6705 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
6706 | (adjusted_mode->crtc_hblank_start - 1) | |
6707 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 6708 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
6709 | (adjusted_mode->crtc_hsync_start - 1) | |
6710 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
6711 | ||
fe2b8f9d | 6712 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 6713 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 6714 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 6715 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 6716 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 6717 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 6718 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
6719 | (adjusted_mode->crtc_vsync_start - 1) | |
6720 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
6721 | ||
b5e508d4 PZ |
6722 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
6723 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
6724 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
6725 | * bits. */ | |
6726 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
6727 | (pipe == PIPE_B || pipe == PIPE_C)) | |
6728 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
6729 | ||
b0e77b9c PZ |
6730 | /* pipesrc controls the size that is scaled from, which should |
6731 | * always be the user's requested size. | |
6732 | */ | |
6733 | I915_WRITE(PIPESRC(pipe), | |
6e3c9717 ACO |
6734 | ((intel_crtc->config->pipe_src_w - 1) << 16) | |
6735 | (intel_crtc->config->pipe_src_h - 1)); | |
b0e77b9c PZ |
6736 | } |
6737 | ||
1bd1bd80 | 6738 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5cec258b | 6739 | struct intel_crtc_state *pipe_config) |
1bd1bd80 DV |
6740 | { |
6741 | struct drm_device *dev = crtc->base.dev; | |
6742 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6743 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; | |
6744 | uint32_t tmp; | |
6745 | ||
6746 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
6747 | pipe_config->base.adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
6748 | pipe_config->base.adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 6749 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
2d112de7 ACO |
6750 | pipe_config->base.adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
6751 | pipe_config->base.adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 6752 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
2d112de7 ACO |
6753 | pipe_config->base.adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
6754 | pipe_config->base.adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
6755 | |
6756 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
6757 | pipe_config->base.adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
6758 | pipe_config->base.adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 6759 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
2d112de7 ACO |
6760 | pipe_config->base.adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
6761 | pipe_config->base.adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 6762 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
2d112de7 ACO |
6763 | pipe_config->base.adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
6764 | pipe_config->base.adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
6765 | |
6766 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
2d112de7 ACO |
6767 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
6768 | pipe_config->base.adjusted_mode.crtc_vtotal += 1; | |
6769 | pipe_config->base.adjusted_mode.crtc_vblank_end += 1; | |
1bd1bd80 DV |
6770 | } |
6771 | ||
6772 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
6773 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
6774 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
6775 | ||
2d112de7 ACO |
6776 | pipe_config->base.mode.vdisplay = pipe_config->pipe_src_h; |
6777 | pipe_config->base.mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
6778 | } |
6779 | ||
f6a83288 | 6780 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5cec258b | 6781 | struct intel_crtc_state *pipe_config) |
babea61d | 6782 | { |
2d112de7 ACO |
6783 | mode->hdisplay = pipe_config->base.adjusted_mode.crtc_hdisplay; |
6784 | mode->htotal = pipe_config->base.adjusted_mode.crtc_htotal; | |
6785 | mode->hsync_start = pipe_config->base.adjusted_mode.crtc_hsync_start; | |
6786 | mode->hsync_end = pipe_config->base.adjusted_mode.crtc_hsync_end; | |
babea61d | 6787 | |
2d112de7 ACO |
6788 | mode->vdisplay = pipe_config->base.adjusted_mode.crtc_vdisplay; |
6789 | mode->vtotal = pipe_config->base.adjusted_mode.crtc_vtotal; | |
6790 | mode->vsync_start = pipe_config->base.adjusted_mode.crtc_vsync_start; | |
6791 | mode->vsync_end = pipe_config->base.adjusted_mode.crtc_vsync_end; | |
babea61d | 6792 | |
2d112de7 | 6793 | mode->flags = pipe_config->base.adjusted_mode.flags; |
babea61d | 6794 | |
2d112de7 ACO |
6795 | mode->clock = pipe_config->base.adjusted_mode.crtc_clock; |
6796 | mode->flags |= pipe_config->base.adjusted_mode.flags; | |
babea61d JB |
6797 | } |
6798 | ||
84b046f3 DV |
6799 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
6800 | { | |
6801 | struct drm_device *dev = intel_crtc->base.dev; | |
6802 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6803 | uint32_t pipeconf; | |
6804 | ||
9f11a9e4 | 6805 | pipeconf = 0; |
84b046f3 | 6806 | |
b6b5d049 VS |
6807 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
6808 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
6809 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; | |
67c72a12 | 6810 | |
6e3c9717 | 6811 | if (intel_crtc->config->double_wide) |
cf532bb2 | 6812 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
84b046f3 | 6813 | |
ff9ce46e DV |
6814 | /* only g4x and later have fancy bpc/dither controls */ |
6815 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { | |
ff9ce46e | 6816 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6e3c9717 | 6817 | if (intel_crtc->config->dither && intel_crtc->config->pipe_bpp != 30) |
ff9ce46e | 6818 | pipeconf |= PIPECONF_DITHER_EN | |
84b046f3 | 6819 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 6820 | |
6e3c9717 | 6821 | switch (intel_crtc->config->pipe_bpp) { |
ff9ce46e DV |
6822 | case 18: |
6823 | pipeconf |= PIPECONF_6BPC; | |
6824 | break; | |
6825 | case 24: | |
6826 | pipeconf |= PIPECONF_8BPC; | |
6827 | break; | |
6828 | case 30: | |
6829 | pipeconf |= PIPECONF_10BPC; | |
6830 | break; | |
6831 | default: | |
6832 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
6833 | BUG(); | |
84b046f3 DV |
6834 | } |
6835 | } | |
6836 | ||
6837 | if (HAS_PIPE_CXSR(dev)) { | |
6838 | if (intel_crtc->lowfreq_avail) { | |
6839 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
6840 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
6841 | } else { | |
6842 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
6843 | } |
6844 | } | |
6845 | ||
6e3c9717 | 6846 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
efc2cfff | 6847 | if (INTEL_INFO(dev)->gen < 4 || |
409ee761 | 6848 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
efc2cfff VS |
6849 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
6850 | else | |
6851 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
6852 | } else | |
84b046f3 DV |
6853 | pipeconf |= PIPECONF_PROGRESSIVE; |
6854 | ||
6e3c9717 | 6855 | if (IS_VALLEYVIEW(dev) && intel_crtc->config->limited_color_range) |
9f11a9e4 | 6856 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
9c8e09b7 | 6857 | |
84b046f3 DV |
6858 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
6859 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
6860 | } | |
6861 | ||
190f68c5 ACO |
6862 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, |
6863 | struct intel_crtc_state *crtc_state) | |
79e53945 | 6864 | { |
c7653199 | 6865 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 6866 | struct drm_i915_private *dev_priv = dev->dev_private; |
c751ce4f | 6867 | int refclk, num_connectors = 0; |
652c393a | 6868 | intel_clock_t clock, reduced_clock; |
a16af721 | 6869 | bool ok, has_reduced_clock = false; |
e9fd1c02 | 6870 | bool is_lvds = false, is_dsi = false; |
5eddb70b | 6871 | struct intel_encoder *encoder; |
d4906093 | 6872 | const intel_limit_t *limit; |
55bb9992 ACO |
6873 | struct drm_atomic_state *state = crtc_state->base.state; |
6874 | struct drm_connector_state *connector_state; | |
6875 | int i; | |
79e53945 | 6876 | |
55bb9992 ACO |
6877 | for (i = 0; i < state->num_connector; i++) { |
6878 | if (!state->connectors[i]) | |
d0737e1d ACO |
6879 | continue; |
6880 | ||
55bb9992 ACO |
6881 | connector_state = state->connector_states[i]; |
6882 | if (connector_state->crtc != &crtc->base) | |
6883 | continue; | |
6884 | ||
6885 | encoder = to_intel_encoder(connector_state->best_encoder); | |
6886 | ||
5eddb70b | 6887 | switch (encoder->type) { |
79e53945 JB |
6888 | case INTEL_OUTPUT_LVDS: |
6889 | is_lvds = true; | |
6890 | break; | |
e9fd1c02 JN |
6891 | case INTEL_OUTPUT_DSI: |
6892 | is_dsi = true; | |
6893 | break; | |
6847d71b PZ |
6894 | default: |
6895 | break; | |
79e53945 | 6896 | } |
43565a06 | 6897 | |
c751ce4f | 6898 | num_connectors++; |
79e53945 JB |
6899 | } |
6900 | ||
f2335330 | 6901 | if (is_dsi) |
5b18e57c | 6902 | return 0; |
f2335330 | 6903 | |
190f68c5 | 6904 | if (!crtc_state->clock_set) { |
a93e255f | 6905 | refclk = i9xx_get_refclk(crtc_state, num_connectors); |
79e53945 | 6906 | |
e9fd1c02 JN |
6907 | /* |
6908 | * Returns a set of divisors for the desired target clock with | |
6909 | * the given refclk, or FALSE. The returned values represent | |
6910 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + | |
6911 | * 2) / p1 / p2. | |
6912 | */ | |
a93e255f ACO |
6913 | limit = intel_limit(crtc_state, refclk); |
6914 | ok = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 6915 | crtc_state->port_clock, |
e9fd1c02 | 6916 | refclk, NULL, &clock); |
f2335330 | 6917 | if (!ok) { |
e9fd1c02 JN |
6918 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
6919 | return -EINVAL; | |
6920 | } | |
79e53945 | 6921 | |
f2335330 JN |
6922 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
6923 | /* | |
6924 | * Ensure we match the reduced clock's P to the target | |
6925 | * clock. If the clocks don't match, we can't switch | |
6926 | * the display clock by using the FP0/FP1. In such case | |
6927 | * we will disable the LVDS downclock feature. | |
6928 | */ | |
6929 | has_reduced_clock = | |
a93e255f | 6930 | dev_priv->display.find_dpll(limit, crtc_state, |
f2335330 JN |
6931 | dev_priv->lvds_downclock, |
6932 | refclk, &clock, | |
6933 | &reduced_clock); | |
6934 | } | |
6935 | /* Compat-code for transition, will disappear. */ | |
190f68c5 ACO |
6936 | crtc_state->dpll.n = clock.n; |
6937 | crtc_state->dpll.m1 = clock.m1; | |
6938 | crtc_state->dpll.m2 = clock.m2; | |
6939 | crtc_state->dpll.p1 = clock.p1; | |
6940 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 6941 | } |
7026d4ac | 6942 | |
e9fd1c02 | 6943 | if (IS_GEN2(dev)) { |
190f68c5 | 6944 | i8xx_update_pll(crtc, crtc_state, |
2a8f64ca VP |
6945 | has_reduced_clock ? &reduced_clock : NULL, |
6946 | num_connectors); | |
9d556c99 | 6947 | } else if (IS_CHERRYVIEW(dev)) { |
190f68c5 | 6948 | chv_update_pll(crtc, crtc_state); |
e9fd1c02 | 6949 | } else if (IS_VALLEYVIEW(dev)) { |
190f68c5 | 6950 | vlv_update_pll(crtc, crtc_state); |
e9fd1c02 | 6951 | } else { |
190f68c5 | 6952 | i9xx_update_pll(crtc, crtc_state, |
eb1cbe48 | 6953 | has_reduced_clock ? &reduced_clock : NULL, |
eba905b2 | 6954 | num_connectors); |
e9fd1c02 | 6955 | } |
79e53945 | 6956 | |
c8f7a0db | 6957 | return 0; |
f564048e EA |
6958 | } |
6959 | ||
2fa2fe9a | 6960 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 6961 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
6962 | { |
6963 | struct drm_device *dev = crtc->base.dev; | |
6964 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6965 | uint32_t tmp; | |
6966 | ||
dc9e7dec VS |
6967 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
6968 | return; | |
6969 | ||
2fa2fe9a | 6970 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
6971 | if (!(tmp & PFIT_ENABLE)) |
6972 | return; | |
2fa2fe9a | 6973 | |
06922821 | 6974 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
6975 | if (INTEL_INFO(dev)->gen < 4) { |
6976 | if (crtc->pipe != PIPE_B) | |
6977 | return; | |
2fa2fe9a DV |
6978 | } else { |
6979 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
6980 | return; | |
6981 | } | |
6982 | ||
06922821 | 6983 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a DV |
6984 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
6985 | if (INTEL_INFO(dev)->gen < 5) | |
6986 | pipe_config->gmch_pfit.lvds_border_bits = | |
6987 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; | |
6988 | } | |
6989 | ||
acbec814 | 6990 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 6991 | struct intel_crtc_state *pipe_config) |
acbec814 JB |
6992 | { |
6993 | struct drm_device *dev = crtc->base.dev; | |
6994 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6995 | int pipe = pipe_config->cpu_transcoder; | |
6996 | intel_clock_t clock; | |
6997 | u32 mdiv; | |
662c6ecb | 6998 | int refclk = 100000; |
acbec814 | 6999 | |
f573de5a SK |
7000 | /* In case of MIPI DPLL will not even be used */ |
7001 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) | |
7002 | return; | |
7003 | ||
acbec814 | 7004 | mutex_lock(&dev_priv->dpio_lock); |
ab3c759a | 7005 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
acbec814 JB |
7006 | mutex_unlock(&dev_priv->dpio_lock); |
7007 | ||
7008 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
7009 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
7010 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
7011 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
7012 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
7013 | ||
f646628b | 7014 | vlv_clock(refclk, &clock); |
acbec814 | 7015 | |
f646628b VS |
7016 | /* clock.dot is the fast clock */ |
7017 | pipe_config->port_clock = clock.dot / 5; | |
acbec814 JB |
7018 | } |
7019 | ||
5724dbd1 DL |
7020 | static void |
7021 | i9xx_get_initial_plane_config(struct intel_crtc *crtc, | |
7022 | struct intel_initial_plane_config *plane_config) | |
1ad292b5 JB |
7023 | { |
7024 | struct drm_device *dev = crtc->base.dev; | |
7025 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7026 | u32 val, base, offset; | |
7027 | int pipe = crtc->pipe, plane = crtc->plane; | |
7028 | int fourcc, pixel_format; | |
6761dd31 | 7029 | unsigned int aligned_height; |
b113d5ee | 7030 | struct drm_framebuffer *fb; |
1b842c89 | 7031 | struct intel_framebuffer *intel_fb; |
1ad292b5 | 7032 | |
42a7b088 DL |
7033 | val = I915_READ(DSPCNTR(plane)); |
7034 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
7035 | return; | |
7036 | ||
d9806c9f | 7037 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 7038 | if (!intel_fb) { |
1ad292b5 JB |
7039 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
7040 | return; | |
7041 | } | |
7042 | ||
1b842c89 DL |
7043 | fb = &intel_fb->base; |
7044 | ||
18c5247e DV |
7045 | if (INTEL_INFO(dev)->gen >= 4) { |
7046 | if (val & DISPPLANE_TILED) { | |
49af449b | 7047 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
7048 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
7049 | } | |
7050 | } | |
1ad292b5 JB |
7051 | |
7052 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 7053 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
7054 | fb->pixel_format = fourcc; |
7055 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
1ad292b5 JB |
7056 | |
7057 | if (INTEL_INFO(dev)->gen >= 4) { | |
49af449b | 7058 | if (plane_config->tiling) |
1ad292b5 JB |
7059 | offset = I915_READ(DSPTILEOFF(plane)); |
7060 | else | |
7061 | offset = I915_READ(DSPLINOFF(plane)); | |
7062 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
7063 | } else { | |
7064 | base = I915_READ(DSPADDR(plane)); | |
7065 | } | |
7066 | plane_config->base = base; | |
7067 | ||
7068 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
7069 | fb->width = ((val >> 16) & 0xfff) + 1; |
7070 | fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
7071 | |
7072 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 7073 | fb->pitches[0] = val & 0xffffffc0; |
1ad292b5 | 7074 | |
b113d5ee | 7075 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
7076 | fb->pixel_format, |
7077 | fb->modifier[0]); | |
1ad292b5 | 7078 | |
f37b5c2b | 7079 | plane_config->size = fb->pitches[0] * aligned_height; |
1ad292b5 | 7080 | |
2844a921 DL |
7081 | DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
7082 | pipe_name(pipe), plane, fb->width, fb->height, | |
7083 | fb->bits_per_pixel, base, fb->pitches[0], | |
7084 | plane_config->size); | |
1ad292b5 | 7085 | |
2d14030b | 7086 | plane_config->fb = intel_fb; |
1ad292b5 JB |
7087 | } |
7088 | ||
70b23a98 | 7089 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7090 | struct intel_crtc_state *pipe_config) |
70b23a98 VS |
7091 | { |
7092 | struct drm_device *dev = crtc->base.dev; | |
7093 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7094 | int pipe = pipe_config->cpu_transcoder; | |
7095 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
7096 | intel_clock_t clock; | |
7097 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2; | |
7098 | int refclk = 100000; | |
7099 | ||
7100 | mutex_lock(&dev_priv->dpio_lock); | |
7101 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); | |
7102 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); | |
7103 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); | |
7104 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); | |
7105 | mutex_unlock(&dev_priv->dpio_lock); | |
7106 | ||
7107 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; | |
7108 | clock.m2 = ((pll_dw0 & 0xff) << 22) | (pll_dw2 & 0x3fffff); | |
7109 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; | |
7110 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; | |
7111 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; | |
7112 | ||
7113 | chv_clock(refclk, &clock); | |
7114 | ||
7115 | /* clock.dot is the fast clock */ | |
7116 | pipe_config->port_clock = clock.dot / 5; | |
7117 | } | |
7118 | ||
0e8ffe1b | 7119 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 7120 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
7121 | { |
7122 | struct drm_device *dev = crtc->base.dev; | |
7123 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7124 | uint32_t tmp; | |
7125 | ||
f458ebbc DV |
7126 | if (!intel_display_power_is_enabled(dev_priv, |
7127 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
b5482bd0 ID |
7128 | return false; |
7129 | ||
e143a21c | 7130 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 7131 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 7132 | |
0e8ffe1b DV |
7133 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
7134 | if (!(tmp & PIPECONF_ENABLE)) | |
7135 | return false; | |
7136 | ||
42571aef VS |
7137 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
7138 | switch (tmp & PIPECONF_BPC_MASK) { | |
7139 | case PIPECONF_6BPC: | |
7140 | pipe_config->pipe_bpp = 18; | |
7141 | break; | |
7142 | case PIPECONF_8BPC: | |
7143 | pipe_config->pipe_bpp = 24; | |
7144 | break; | |
7145 | case PIPECONF_10BPC: | |
7146 | pipe_config->pipe_bpp = 30; | |
7147 | break; | |
7148 | default: | |
7149 | break; | |
7150 | } | |
7151 | } | |
7152 | ||
b5a9fa09 DV |
7153 | if (IS_VALLEYVIEW(dev) && (tmp & PIPECONF_COLOR_RANGE_SELECT)) |
7154 | pipe_config->limited_color_range = true; | |
7155 | ||
282740f7 VS |
7156 | if (INTEL_INFO(dev)->gen < 4) |
7157 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
7158 | ||
1bd1bd80 DV |
7159 | intel_get_pipe_timings(crtc, pipe_config); |
7160 | ||
2fa2fe9a DV |
7161 | i9xx_get_pfit_config(crtc, pipe_config); |
7162 | ||
6c49f241 DV |
7163 | if (INTEL_INFO(dev)->gen >= 4) { |
7164 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
7165 | pipe_config->pixel_multiplier = | |
7166 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
7167 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 7168 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
7169 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
7170 | tmp = I915_READ(DPLL(crtc->pipe)); | |
7171 | pipe_config->pixel_multiplier = | |
7172 | ((tmp & SDVO_MULTIPLIER_MASK) | |
7173 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
7174 | } else { | |
7175 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
7176 | * port and will be fixed up in the encoder->get_config | |
7177 | * function. */ | |
7178 | pipe_config->pixel_multiplier = 1; | |
7179 | } | |
8bcc2795 DV |
7180 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
7181 | if (!IS_VALLEYVIEW(dev)) { | |
1c4e0274 VS |
7182 | /* |
7183 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs | |
7184 | * on 830. Filter it out here so that we don't | |
7185 | * report errors due to that. | |
7186 | */ | |
7187 | if (IS_I830(dev)) | |
7188 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; | |
7189 | ||
8bcc2795 DV |
7190 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
7191 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
7192 | } else { |
7193 | /* Mask out read-only status bits. */ | |
7194 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
7195 | DPLL_PORTC_READY_MASK | | |
7196 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 7197 | } |
6c49f241 | 7198 | |
70b23a98 VS |
7199 | if (IS_CHERRYVIEW(dev)) |
7200 | chv_crtc_clock_get(crtc, pipe_config); | |
7201 | else if (IS_VALLEYVIEW(dev)) | |
acbec814 JB |
7202 | vlv_crtc_clock_get(crtc, pipe_config); |
7203 | else | |
7204 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 7205 | |
0e8ffe1b DV |
7206 | return true; |
7207 | } | |
7208 | ||
dde86e2d | 7209 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
7210 | { |
7211 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13d83a67 | 7212 | struct intel_encoder *encoder; |
74cfd7ac | 7213 | u32 val, final; |
13d83a67 | 7214 | bool has_lvds = false; |
199e5d79 | 7215 | bool has_cpu_edp = false; |
199e5d79 | 7216 | bool has_panel = false; |
99eb6a01 KP |
7217 | bool has_ck505 = false; |
7218 | bool can_ssc = false; | |
13d83a67 JB |
7219 | |
7220 | /* We need to take the global config into account */ | |
b2784e15 | 7221 | for_each_intel_encoder(dev, encoder) { |
199e5d79 KP |
7222 | switch (encoder->type) { |
7223 | case INTEL_OUTPUT_LVDS: | |
7224 | has_panel = true; | |
7225 | has_lvds = true; | |
7226 | break; | |
7227 | case INTEL_OUTPUT_EDP: | |
7228 | has_panel = true; | |
2de6905f | 7229 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
7230 | has_cpu_edp = true; |
7231 | break; | |
6847d71b PZ |
7232 | default: |
7233 | break; | |
13d83a67 JB |
7234 | } |
7235 | } | |
7236 | ||
99eb6a01 | 7237 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 7238 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
7239 | can_ssc = has_ck505; |
7240 | } else { | |
7241 | has_ck505 = false; | |
7242 | can_ssc = true; | |
7243 | } | |
7244 | ||
2de6905f ID |
7245 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
7246 | has_panel, has_lvds, has_ck505); | |
13d83a67 JB |
7247 | |
7248 | /* Ironlake: try to setup display ref clock before DPLL | |
7249 | * enabling. This is only under driver's control after | |
7250 | * PCH B stepping, previous chipset stepping should be | |
7251 | * ignoring this setting. | |
7252 | */ | |
74cfd7ac CW |
7253 | val = I915_READ(PCH_DREF_CONTROL); |
7254 | ||
7255 | /* As we must carefully and slowly disable/enable each source in turn, | |
7256 | * compute the final state we want first and check if we need to | |
7257 | * make any changes at all. | |
7258 | */ | |
7259 | final = val; | |
7260 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
7261 | if (has_ck505) | |
7262 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
7263 | else | |
7264 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
7265 | ||
7266 | final &= ~DREF_SSC_SOURCE_MASK; | |
7267 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
7268 | final &= ~DREF_SSC1_ENABLE; | |
7269 | ||
7270 | if (has_panel) { | |
7271 | final |= DREF_SSC_SOURCE_ENABLE; | |
7272 | ||
7273 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
7274 | final |= DREF_SSC1_ENABLE; | |
7275 | ||
7276 | if (has_cpu_edp) { | |
7277 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
7278 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
7279 | else | |
7280 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
7281 | } else | |
7282 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
7283 | } else { | |
7284 | final |= DREF_SSC_SOURCE_DISABLE; | |
7285 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
7286 | } | |
7287 | ||
7288 | if (final == val) | |
7289 | return; | |
7290 | ||
13d83a67 | 7291 | /* Always enable nonspread source */ |
74cfd7ac | 7292 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 7293 | |
99eb6a01 | 7294 | if (has_ck505) |
74cfd7ac | 7295 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 7296 | else |
74cfd7ac | 7297 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 7298 | |
199e5d79 | 7299 | if (has_panel) { |
74cfd7ac CW |
7300 | val &= ~DREF_SSC_SOURCE_MASK; |
7301 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 7302 | |
199e5d79 | 7303 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 7304 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 7305 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 7306 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 7307 | } else |
74cfd7ac | 7308 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
7309 | |
7310 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 7311 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
7312 | POSTING_READ(PCH_DREF_CONTROL); |
7313 | udelay(200); | |
7314 | ||
74cfd7ac | 7315 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
7316 | |
7317 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 7318 | if (has_cpu_edp) { |
99eb6a01 | 7319 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 7320 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 7321 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
eba905b2 | 7322 | } else |
74cfd7ac | 7323 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 7324 | } else |
74cfd7ac | 7325 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 7326 | |
74cfd7ac | 7327 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
7328 | POSTING_READ(PCH_DREF_CONTROL); |
7329 | udelay(200); | |
7330 | } else { | |
7331 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
7332 | ||
74cfd7ac | 7333 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
7334 | |
7335 | /* Turn off CPU output */ | |
74cfd7ac | 7336 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 7337 | |
74cfd7ac | 7338 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
7339 | POSTING_READ(PCH_DREF_CONTROL); |
7340 | udelay(200); | |
7341 | ||
7342 | /* Turn off the SSC source */ | |
74cfd7ac CW |
7343 | val &= ~DREF_SSC_SOURCE_MASK; |
7344 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
7345 | |
7346 | /* Turn off SSC1 */ | |
74cfd7ac | 7347 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 7348 | |
74cfd7ac | 7349 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
7350 | POSTING_READ(PCH_DREF_CONTROL); |
7351 | udelay(200); | |
7352 | } | |
74cfd7ac CW |
7353 | |
7354 | BUG_ON(val != final); | |
13d83a67 JB |
7355 | } |
7356 | ||
f31f2d55 | 7357 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 7358 | { |
f31f2d55 | 7359 | uint32_t tmp; |
dde86e2d | 7360 | |
0ff066a9 PZ |
7361 | tmp = I915_READ(SOUTH_CHICKEN2); |
7362 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
7363 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 7364 | |
0ff066a9 PZ |
7365 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
7366 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
7367 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
dde86e2d | 7368 | |
0ff066a9 PZ |
7369 | tmp = I915_READ(SOUTH_CHICKEN2); |
7370 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
7371 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 7372 | |
0ff066a9 PZ |
7373 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
7374 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
7375 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
f31f2d55 PZ |
7376 | } |
7377 | ||
7378 | /* WaMPhyProgramming:hsw */ | |
7379 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
7380 | { | |
7381 | uint32_t tmp; | |
dde86e2d PZ |
7382 | |
7383 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
7384 | tmp &= ~(0xFF << 24); | |
7385 | tmp |= (0x12 << 24); | |
7386 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
7387 | ||
dde86e2d PZ |
7388 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
7389 | tmp |= (1 << 11); | |
7390 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
7391 | ||
7392 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
7393 | tmp |= (1 << 11); | |
7394 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
7395 | ||
dde86e2d PZ |
7396 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
7397 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
7398 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
7399 | ||
7400 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
7401 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
7402 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
7403 | ||
0ff066a9 PZ |
7404 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
7405 | tmp &= ~(7 << 13); | |
7406 | tmp |= (5 << 13); | |
7407 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 7408 | |
0ff066a9 PZ |
7409 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
7410 | tmp &= ~(7 << 13); | |
7411 | tmp |= (5 << 13); | |
7412 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
7413 | |
7414 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
7415 | tmp &= ~0xFF; | |
7416 | tmp |= 0x1C; | |
7417 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
7418 | ||
7419 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
7420 | tmp &= ~0xFF; | |
7421 | tmp |= 0x1C; | |
7422 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
7423 | ||
7424 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
7425 | tmp &= ~(0xFF << 16); | |
7426 | tmp |= (0x1C << 16); | |
7427 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
7428 | ||
7429 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
7430 | tmp &= ~(0xFF << 16); | |
7431 | tmp |= (0x1C << 16); | |
7432 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
7433 | ||
0ff066a9 PZ |
7434 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
7435 | tmp |= (1 << 27); | |
7436 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 7437 | |
0ff066a9 PZ |
7438 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
7439 | tmp |= (1 << 27); | |
7440 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 7441 | |
0ff066a9 PZ |
7442 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
7443 | tmp &= ~(0xF << 28); | |
7444 | tmp |= (4 << 28); | |
7445 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 7446 | |
0ff066a9 PZ |
7447 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
7448 | tmp &= ~(0xF << 28); | |
7449 | tmp |= (4 << 28); | |
7450 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
7451 | } |
7452 | ||
2fa86a1f PZ |
7453 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
7454 | * Programming" based on the parameters passed: | |
7455 | * - Sequence to enable CLKOUT_DP | |
7456 | * - Sequence to enable CLKOUT_DP without spread | |
7457 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
7458 | */ | |
7459 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
7460 | bool with_fdi) | |
f31f2d55 PZ |
7461 | { |
7462 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa86a1f PZ |
7463 | uint32_t reg, tmp; |
7464 | ||
7465 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
7466 | with_spread = true; | |
7467 | if (WARN(dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE && | |
7468 | with_fdi, "LP PCH doesn't have FDI\n")) | |
7469 | with_fdi = false; | |
f31f2d55 PZ |
7470 | |
7471 | mutex_lock(&dev_priv->dpio_lock); | |
7472 | ||
7473 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
7474 | tmp &= ~SBI_SSCCTL_DISABLE; | |
7475 | tmp |= SBI_SSCCTL_PATHALT; | |
7476 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
7477 | ||
7478 | udelay(24); | |
7479 | ||
2fa86a1f PZ |
7480 | if (with_spread) { |
7481 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
7482 | tmp &= ~SBI_SSCCTL_PATHALT; | |
7483 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 7484 | |
2fa86a1f PZ |
7485 | if (with_fdi) { |
7486 | lpt_reset_fdi_mphy(dev_priv); | |
7487 | lpt_program_fdi_mphy(dev_priv); | |
7488 | } | |
7489 | } | |
dde86e2d | 7490 | |
2fa86a1f PZ |
7491 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? |
7492 | SBI_GEN0 : SBI_DBUFF0; | |
7493 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
7494 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
7495 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 DV |
7496 | |
7497 | mutex_unlock(&dev_priv->dpio_lock); | |
dde86e2d PZ |
7498 | } |
7499 | ||
47701c3b PZ |
7500 | /* Sequence to disable CLKOUT_DP */ |
7501 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
7502 | { | |
7503 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7504 | uint32_t reg, tmp; | |
7505 | ||
7506 | mutex_lock(&dev_priv->dpio_lock); | |
7507 | ||
7508 | reg = (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) ? | |
7509 | SBI_GEN0 : SBI_DBUFF0; | |
7510 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); | |
7511 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
7512 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
7513 | ||
7514 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
7515 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
7516 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
7517 | tmp |= SBI_SSCCTL_PATHALT; | |
7518 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
7519 | udelay(32); | |
7520 | } | |
7521 | tmp |= SBI_SSCCTL_DISABLE; | |
7522 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
7523 | } | |
7524 | ||
7525 | mutex_unlock(&dev_priv->dpio_lock); | |
7526 | } | |
7527 | ||
bf8fa3d3 PZ |
7528 | static void lpt_init_pch_refclk(struct drm_device *dev) |
7529 | { | |
bf8fa3d3 PZ |
7530 | struct intel_encoder *encoder; |
7531 | bool has_vga = false; | |
7532 | ||
b2784e15 | 7533 | for_each_intel_encoder(dev, encoder) { |
bf8fa3d3 PZ |
7534 | switch (encoder->type) { |
7535 | case INTEL_OUTPUT_ANALOG: | |
7536 | has_vga = true; | |
7537 | break; | |
6847d71b PZ |
7538 | default: |
7539 | break; | |
bf8fa3d3 PZ |
7540 | } |
7541 | } | |
7542 | ||
47701c3b PZ |
7543 | if (has_vga) |
7544 | lpt_enable_clkout_dp(dev, true, true); | |
7545 | else | |
7546 | lpt_disable_clkout_dp(dev); | |
bf8fa3d3 PZ |
7547 | } |
7548 | ||
dde86e2d PZ |
7549 | /* |
7550 | * Initialize reference clocks when the driver loads | |
7551 | */ | |
7552 | void intel_init_pch_refclk(struct drm_device *dev) | |
7553 | { | |
7554 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
7555 | ironlake_init_pch_refclk(dev); | |
7556 | else if (HAS_PCH_LPT(dev)) | |
7557 | lpt_init_pch_refclk(dev); | |
7558 | } | |
7559 | ||
55bb9992 | 7560 | static int ironlake_get_refclk(struct intel_crtc_state *crtc_state) |
d9d444cb | 7561 | { |
55bb9992 | 7562 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d9d444cb | 7563 | struct drm_i915_private *dev_priv = dev->dev_private; |
55bb9992 ACO |
7564 | struct drm_atomic_state *state = crtc_state->base.state; |
7565 | struct drm_connector_state *connector_state; | |
d9d444cb | 7566 | struct intel_encoder *encoder; |
55bb9992 | 7567 | int num_connectors = 0, i; |
d9d444cb JB |
7568 | bool is_lvds = false; |
7569 | ||
55bb9992 ACO |
7570 | for (i = 0; i < state->num_connector; i++) { |
7571 | if (!state->connectors[i]) | |
d0737e1d ACO |
7572 | continue; |
7573 | ||
55bb9992 ACO |
7574 | connector_state = state->connector_states[i]; |
7575 | if (connector_state->crtc != crtc_state->base.crtc) | |
7576 | continue; | |
7577 | ||
7578 | encoder = to_intel_encoder(connector_state->best_encoder); | |
7579 | ||
d9d444cb JB |
7580 | switch (encoder->type) { |
7581 | case INTEL_OUTPUT_LVDS: | |
7582 | is_lvds = true; | |
7583 | break; | |
6847d71b PZ |
7584 | default: |
7585 | break; | |
d9d444cb JB |
7586 | } |
7587 | num_connectors++; | |
7588 | } | |
7589 | ||
7590 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
e91e941b | 7591 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
41aa3448 | 7592 | dev_priv->vbt.lvds_ssc_freq); |
e91e941b | 7593 | return dev_priv->vbt.lvds_ssc_freq; |
d9d444cb JB |
7594 | } |
7595 | ||
7596 | return 120000; | |
7597 | } | |
7598 | ||
6ff93609 | 7599 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 7600 | { |
c8203565 | 7601 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
7602 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
7603 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
7604 | uint32_t val; |
7605 | ||
78114071 | 7606 | val = 0; |
c8203565 | 7607 | |
6e3c9717 | 7608 | switch (intel_crtc->config->pipe_bpp) { |
c8203565 | 7609 | case 18: |
dfd07d72 | 7610 | val |= PIPECONF_6BPC; |
c8203565 PZ |
7611 | break; |
7612 | case 24: | |
dfd07d72 | 7613 | val |= PIPECONF_8BPC; |
c8203565 PZ |
7614 | break; |
7615 | case 30: | |
dfd07d72 | 7616 | val |= PIPECONF_10BPC; |
c8203565 PZ |
7617 | break; |
7618 | case 36: | |
dfd07d72 | 7619 | val |= PIPECONF_12BPC; |
c8203565 PZ |
7620 | break; |
7621 | default: | |
cc769b62 PZ |
7622 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
7623 | BUG(); | |
c8203565 PZ |
7624 | } |
7625 | ||
6e3c9717 | 7626 | if (intel_crtc->config->dither) |
c8203565 PZ |
7627 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
7628 | ||
6e3c9717 | 7629 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
7630 | val |= PIPECONF_INTERLACED_ILK; |
7631 | else | |
7632 | val |= PIPECONF_PROGRESSIVE; | |
7633 | ||
6e3c9717 | 7634 | if (intel_crtc->config->limited_color_range) |
3685a8f3 | 7635 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 7636 | |
c8203565 PZ |
7637 | I915_WRITE(PIPECONF(pipe), val); |
7638 | POSTING_READ(PIPECONF(pipe)); | |
7639 | } | |
7640 | ||
86d3efce VS |
7641 | /* |
7642 | * Set up the pipe CSC unit. | |
7643 | * | |
7644 | * Currently only full range RGB to limited range RGB conversion | |
7645 | * is supported, but eventually this should handle various | |
7646 | * RGB<->YCbCr scenarios as well. | |
7647 | */ | |
50f3b016 | 7648 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
7649 | { |
7650 | struct drm_device *dev = crtc->dev; | |
7651 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7652 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7653 | int pipe = intel_crtc->pipe; | |
7654 | uint16_t coeff = 0x7800; /* 1.0 */ | |
7655 | ||
7656 | /* | |
7657 | * TODO: Check what kind of values actually come out of the pipe | |
7658 | * with these coeff/postoff values and adjust to get the best | |
7659 | * accuracy. Perhaps we even need to take the bpc value into | |
7660 | * consideration. | |
7661 | */ | |
7662 | ||
6e3c9717 | 7663 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
7664 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
7665 | ||
7666 | /* | |
7667 | * GY/GU and RY/RU should be the other way around according | |
7668 | * to BSpec, but reality doesn't agree. Just set them up in | |
7669 | * a way that results in the correct picture. | |
7670 | */ | |
7671 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
7672 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
7673 | ||
7674 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
7675 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
7676 | ||
7677 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
7678 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
7679 | ||
7680 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
7681 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
7682 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
7683 | ||
7684 | if (INTEL_INFO(dev)->gen > 6) { | |
7685 | uint16_t postoff = 0; | |
7686 | ||
6e3c9717 | 7687 | if (intel_crtc->config->limited_color_range) |
32cf0cb0 | 7688 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
86d3efce VS |
7689 | |
7690 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
7691 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
7692 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
7693 | ||
7694 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
7695 | } else { | |
7696 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
7697 | ||
6e3c9717 | 7698 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
7699 | mode |= CSC_BLACK_SCREEN_OFFSET; |
7700 | ||
7701 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
7702 | } | |
7703 | } | |
7704 | ||
6ff93609 | 7705 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 7706 | { |
756f85cf PZ |
7707 | struct drm_device *dev = crtc->dev; |
7708 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee2b0b38 | 7709 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 7710 | enum pipe pipe = intel_crtc->pipe; |
6e3c9717 | 7711 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee2b0b38 PZ |
7712 | uint32_t val; |
7713 | ||
3eff4faa | 7714 | val = 0; |
ee2b0b38 | 7715 | |
6e3c9717 | 7716 | if (IS_HASWELL(dev) && intel_crtc->config->dither) |
ee2b0b38 PZ |
7717 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
7718 | ||
6e3c9717 | 7719 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
7720 | val |= PIPECONF_INTERLACED_ILK; |
7721 | else | |
7722 | val |= PIPECONF_PROGRESSIVE; | |
7723 | ||
702e7a56 PZ |
7724 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
7725 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
3eff4faa DV |
7726 | |
7727 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); | |
7728 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); | |
756f85cf | 7729 | |
3cdf122c | 7730 | if (IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) { |
756f85cf PZ |
7731 | val = 0; |
7732 | ||
6e3c9717 | 7733 | switch (intel_crtc->config->pipe_bpp) { |
756f85cf PZ |
7734 | case 18: |
7735 | val |= PIPEMISC_DITHER_6_BPC; | |
7736 | break; | |
7737 | case 24: | |
7738 | val |= PIPEMISC_DITHER_8_BPC; | |
7739 | break; | |
7740 | case 30: | |
7741 | val |= PIPEMISC_DITHER_10_BPC; | |
7742 | break; | |
7743 | case 36: | |
7744 | val |= PIPEMISC_DITHER_12_BPC; | |
7745 | break; | |
7746 | default: | |
7747 | /* Case prevented by pipe_config_set_bpp. */ | |
7748 | BUG(); | |
7749 | } | |
7750 | ||
6e3c9717 | 7751 | if (intel_crtc->config->dither) |
756f85cf PZ |
7752 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
7753 | ||
7754 | I915_WRITE(PIPEMISC(pipe), val); | |
7755 | } | |
ee2b0b38 PZ |
7756 | } |
7757 | ||
6591c6e4 | 7758 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
190f68c5 | 7759 | struct intel_crtc_state *crtc_state, |
6591c6e4 PZ |
7760 | intel_clock_t *clock, |
7761 | bool *has_reduced_clock, | |
7762 | intel_clock_t *reduced_clock) | |
7763 | { | |
7764 | struct drm_device *dev = crtc->dev; | |
7765 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6591c6e4 | 7766 | int refclk; |
d4906093 | 7767 | const intel_limit_t *limit; |
a16af721 | 7768 | bool ret, is_lvds = false; |
79e53945 | 7769 | |
a93e255f | 7770 | is_lvds = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS); |
79e53945 | 7771 | |
55bb9992 | 7772 | refclk = ironlake_get_refclk(crtc_state); |
79e53945 | 7773 | |
d4906093 ML |
7774 | /* |
7775 | * Returns a set of divisors for the desired target clock with the given | |
7776 | * refclk, or FALSE. The returned values represent the clock equation: | |
7777 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
7778 | */ | |
a93e255f ACO |
7779 | limit = intel_limit(crtc_state, refclk); |
7780 | ret = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 7781 | crtc_state->port_clock, |
ee9300bb | 7782 | refclk, NULL, clock); |
6591c6e4 PZ |
7783 | if (!ret) |
7784 | return false; | |
cda4b7d3 | 7785 | |
ddc9003c | 7786 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
cec2f356 SP |
7787 | /* |
7788 | * Ensure we match the reduced clock's P to the target clock. | |
7789 | * If the clocks don't match, we can't switch the display clock | |
7790 | * by using the FP0/FP1. In such case we will disable the LVDS | |
7791 | * downclock feature. | |
7792 | */ | |
ee9300bb | 7793 | *has_reduced_clock = |
a93e255f | 7794 | dev_priv->display.find_dpll(limit, crtc_state, |
ee9300bb DV |
7795 | dev_priv->lvds_downclock, |
7796 | refclk, clock, | |
7797 | reduced_clock); | |
652c393a | 7798 | } |
61e9653f | 7799 | |
6591c6e4 PZ |
7800 | return true; |
7801 | } | |
7802 | ||
d4b1931c PZ |
7803 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
7804 | { | |
7805 | /* | |
7806 | * Account for spread spectrum to avoid | |
7807 | * oversubscribing the link. Max center spread | |
7808 | * is 2.5%; use 5% for safety's sake. | |
7809 | */ | |
7810 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 7811 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
7812 | } |
7813 | ||
7429e9d4 | 7814 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 7815 | { |
7429e9d4 | 7816 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
7817 | } |
7818 | ||
de13a2e3 | 7819 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
190f68c5 | 7820 | struct intel_crtc_state *crtc_state, |
7429e9d4 | 7821 | u32 *fp, |
9a7c7890 | 7822 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 7823 | { |
de13a2e3 | 7824 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
7825 | struct drm_device *dev = crtc->dev; |
7826 | struct drm_i915_private *dev_priv = dev->dev_private; | |
55bb9992 ACO |
7827 | struct drm_atomic_state *state = crtc_state->base.state; |
7828 | struct drm_connector_state *connector_state; | |
7829 | struct intel_encoder *encoder; | |
de13a2e3 | 7830 | uint32_t dpll; |
55bb9992 | 7831 | int factor, num_connectors = 0, i; |
09ede541 | 7832 | bool is_lvds = false, is_sdvo = false; |
79e53945 | 7833 | |
55bb9992 ACO |
7834 | for (i = 0; i < state->num_connector; i++) { |
7835 | if (!state->connectors[i]) | |
d0737e1d ACO |
7836 | continue; |
7837 | ||
55bb9992 ACO |
7838 | connector_state = state->connector_states[i]; |
7839 | if (connector_state->crtc != crtc_state->base.crtc) | |
7840 | continue; | |
7841 | ||
7842 | encoder = to_intel_encoder(connector_state->best_encoder); | |
7843 | ||
7844 | switch (encoder->type) { | |
79e53945 JB |
7845 | case INTEL_OUTPUT_LVDS: |
7846 | is_lvds = true; | |
7847 | break; | |
7848 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 7849 | case INTEL_OUTPUT_HDMI: |
79e53945 | 7850 | is_sdvo = true; |
79e53945 | 7851 | break; |
6847d71b PZ |
7852 | default: |
7853 | break; | |
79e53945 | 7854 | } |
43565a06 | 7855 | |
c751ce4f | 7856 | num_connectors++; |
79e53945 | 7857 | } |
79e53945 | 7858 | |
c1858123 | 7859 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
7860 | factor = 21; |
7861 | if (is_lvds) { | |
7862 | if ((intel_panel_use_ssc(dev_priv) && | |
e91e941b | 7863 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 7864 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 7865 | factor = 25; |
190f68c5 | 7866 | } else if (crtc_state->sdvo_tv_clock) |
8febb297 | 7867 | factor = 20; |
c1858123 | 7868 | |
190f68c5 | 7869 | if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) |
7d0ac5b7 | 7870 | *fp |= FP_CB_TUNE; |
2c07245f | 7871 | |
9a7c7890 DV |
7872 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
7873 | *fp2 |= FP_CB_TUNE; | |
7874 | ||
5eddb70b | 7875 | dpll = 0; |
2c07245f | 7876 | |
a07d6787 EA |
7877 | if (is_lvds) |
7878 | dpll |= DPLLB_MODE_LVDS; | |
7879 | else | |
7880 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 7881 | |
190f68c5 | 7882 | dpll |= (crtc_state->pixel_multiplier - 1) |
ef1b460d | 7883 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
198a037f DV |
7884 | |
7885 | if (is_sdvo) | |
4a33e48d | 7886 | dpll |= DPLL_SDVO_HIGH_SPEED; |
190f68c5 | 7887 | if (crtc_state->has_dp_encoder) |
4a33e48d | 7888 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 7889 | |
a07d6787 | 7890 | /* compute bitmask from p1 value */ |
190f68c5 | 7891 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 7892 | /* also FPA1 */ |
190f68c5 | 7893 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 7894 | |
190f68c5 | 7895 | switch (crtc_state->dpll.p2) { |
a07d6787 EA |
7896 | case 5: |
7897 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
7898 | break; | |
7899 | case 7: | |
7900 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
7901 | break; | |
7902 | case 10: | |
7903 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
7904 | break; | |
7905 | case 14: | |
7906 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
7907 | break; | |
79e53945 JB |
7908 | } |
7909 | ||
b4c09f3b | 7910 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 7911 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
7912 | else |
7913 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7914 | ||
959e16d6 | 7915 | return dpll | DPLL_VCO_ENABLE; |
de13a2e3 PZ |
7916 | } |
7917 | ||
190f68c5 ACO |
7918 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, |
7919 | struct intel_crtc_state *crtc_state) | |
de13a2e3 | 7920 | { |
c7653199 | 7921 | struct drm_device *dev = crtc->base.dev; |
de13a2e3 | 7922 | intel_clock_t clock, reduced_clock; |
cbbab5bd | 7923 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 7924 | bool ok, has_reduced_clock = false; |
8b47047b | 7925 | bool is_lvds = false; |
e2b78267 | 7926 | struct intel_shared_dpll *pll; |
de13a2e3 | 7927 | |
409ee761 | 7928 | is_lvds = intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS); |
79e53945 | 7929 | |
5dc5298b PZ |
7930 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
7931 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 7932 | |
190f68c5 | 7933 | ok = ironlake_compute_clocks(&crtc->base, crtc_state, &clock, |
de13a2e3 | 7934 | &has_reduced_clock, &reduced_clock); |
190f68c5 | 7935 | if (!ok && !crtc_state->clock_set) { |
de13a2e3 PZ |
7936 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7937 | return -EINVAL; | |
79e53945 | 7938 | } |
f47709a9 | 7939 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
7940 | if (!crtc_state->clock_set) { |
7941 | crtc_state->dpll.n = clock.n; | |
7942 | crtc_state->dpll.m1 = clock.m1; | |
7943 | crtc_state->dpll.m2 = clock.m2; | |
7944 | crtc_state->dpll.p1 = clock.p1; | |
7945 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 7946 | } |
79e53945 | 7947 | |
5dc5298b | 7948 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
190f68c5 ACO |
7949 | if (crtc_state->has_pch_encoder) { |
7950 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); | |
cbbab5bd | 7951 | if (has_reduced_clock) |
7429e9d4 | 7952 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 7953 | |
190f68c5 | 7954 | dpll = ironlake_compute_dpll(crtc, crtc_state, |
cbbab5bd DV |
7955 | &fp, &reduced_clock, |
7956 | has_reduced_clock ? &fp2 : NULL); | |
7957 | ||
190f68c5 ACO |
7958 | crtc_state->dpll_hw_state.dpll = dpll; |
7959 | crtc_state->dpll_hw_state.fp0 = fp; | |
66e985c0 | 7960 | if (has_reduced_clock) |
190f68c5 | 7961 | crtc_state->dpll_hw_state.fp1 = fp2; |
66e985c0 | 7962 | else |
190f68c5 | 7963 | crtc_state->dpll_hw_state.fp1 = fp; |
66e985c0 | 7964 | |
190f68c5 | 7965 | pll = intel_get_shared_dpll(crtc, crtc_state); |
ee7b9f93 | 7966 | if (pll == NULL) { |
84f44ce7 | 7967 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
c7653199 | 7968 | pipe_name(crtc->pipe)); |
4b645f14 JB |
7969 | return -EINVAL; |
7970 | } | |
3fb37703 | 7971 | } |
79e53945 | 7972 | |
ab585dea | 7973 | if (is_lvds && has_reduced_clock) |
c7653199 | 7974 | crtc->lowfreq_avail = true; |
bcd644e0 | 7975 | else |
c7653199 | 7976 | crtc->lowfreq_avail = false; |
e2b78267 | 7977 | |
c8f7a0db | 7978 | return 0; |
79e53945 JB |
7979 | } |
7980 | ||
eb14cb74 VS |
7981 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
7982 | struct intel_link_m_n *m_n) | |
7983 | { | |
7984 | struct drm_device *dev = crtc->base.dev; | |
7985 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7986 | enum pipe pipe = crtc->pipe; | |
7987 | ||
7988 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
7989 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
7990 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
7991 | & ~TU_SIZE_MASK; | |
7992 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
7993 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
7994 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
7995 | } | |
7996 | ||
7997 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
7998 | enum transcoder transcoder, | |
b95af8be VK |
7999 | struct intel_link_m_n *m_n, |
8000 | struct intel_link_m_n *m2_n2) | |
72419203 DV |
8001 | { |
8002 | struct drm_device *dev = crtc->base.dev; | |
8003 | struct drm_i915_private *dev_priv = dev->dev_private; | |
eb14cb74 | 8004 | enum pipe pipe = crtc->pipe; |
72419203 | 8005 | |
eb14cb74 VS |
8006 | if (INTEL_INFO(dev)->gen >= 5) { |
8007 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
8008 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
8009 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
8010 | & ~TU_SIZE_MASK; | |
8011 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
8012 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
8013 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
b95af8be VK |
8014 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
8015 | * gen < 8) and if DRRS is supported (to make sure the | |
8016 | * registers are not unnecessarily read). | |
8017 | */ | |
8018 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && | |
6e3c9717 | 8019 | crtc->config->has_drrs) { |
b95af8be VK |
8020 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
8021 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); | |
8022 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) | |
8023 | & ~TU_SIZE_MASK; | |
8024 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); | |
8025 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) | |
8026 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8027 | } | |
eb14cb74 VS |
8028 | } else { |
8029 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
8030 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
8031 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8032 | & ~TU_SIZE_MASK; | |
8033 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
8034 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8035 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8036 | } | |
8037 | } | |
8038 | ||
8039 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
5cec258b | 8040 | struct intel_crtc_state *pipe_config) |
eb14cb74 | 8041 | { |
681a8504 | 8042 | if (pipe_config->has_pch_encoder) |
eb14cb74 VS |
8043 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
8044 | else | |
8045 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be VK |
8046 | &pipe_config->dp_m_n, |
8047 | &pipe_config->dp_m2_n2); | |
eb14cb74 | 8048 | } |
72419203 | 8049 | |
eb14cb74 | 8050 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
5cec258b | 8051 | struct intel_crtc_state *pipe_config) |
eb14cb74 VS |
8052 | { |
8053 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be | 8054 | &pipe_config->fdi_m_n, NULL); |
72419203 DV |
8055 | } |
8056 | ||
bd2e244f | 8057 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8058 | struct intel_crtc_state *pipe_config) |
bd2e244f JB |
8059 | { |
8060 | struct drm_device *dev = crtc->base.dev; | |
8061 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8062 | uint32_t tmp; | |
8063 | ||
8064 | tmp = I915_READ(PS_CTL(crtc->pipe)); | |
8065 | ||
8066 | if (tmp & PS_ENABLE) { | |
8067 | pipe_config->pch_pfit.enabled = true; | |
8068 | pipe_config->pch_pfit.pos = I915_READ(PS_WIN_POS(crtc->pipe)); | |
8069 | pipe_config->pch_pfit.size = I915_READ(PS_WIN_SZ(crtc->pipe)); | |
8070 | } | |
8071 | } | |
8072 | ||
5724dbd1 DL |
8073 | static void |
8074 | skylake_get_initial_plane_config(struct intel_crtc *crtc, | |
8075 | struct intel_initial_plane_config *plane_config) | |
bc8d7dff DL |
8076 | { |
8077 | struct drm_device *dev = crtc->base.dev; | |
8078 | struct drm_i915_private *dev_priv = dev->dev_private; | |
40f46283 | 8079 | u32 val, base, offset, stride_mult, tiling; |
bc8d7dff DL |
8080 | int pipe = crtc->pipe; |
8081 | int fourcc, pixel_format; | |
6761dd31 | 8082 | unsigned int aligned_height; |
bc8d7dff | 8083 | struct drm_framebuffer *fb; |
1b842c89 | 8084 | struct intel_framebuffer *intel_fb; |
bc8d7dff | 8085 | |
d9806c9f | 8086 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 8087 | if (!intel_fb) { |
bc8d7dff DL |
8088 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8089 | return; | |
8090 | } | |
8091 | ||
1b842c89 DL |
8092 | fb = &intel_fb->base; |
8093 | ||
bc8d7dff | 8094 | val = I915_READ(PLANE_CTL(pipe, 0)); |
42a7b088 DL |
8095 | if (!(val & PLANE_CTL_ENABLE)) |
8096 | goto error; | |
8097 | ||
bc8d7dff DL |
8098 | pixel_format = val & PLANE_CTL_FORMAT_MASK; |
8099 | fourcc = skl_format_to_fourcc(pixel_format, | |
8100 | val & PLANE_CTL_ORDER_RGBX, | |
8101 | val & PLANE_CTL_ALPHA_MASK); | |
8102 | fb->pixel_format = fourcc; | |
8103 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
8104 | ||
40f46283 DL |
8105 | tiling = val & PLANE_CTL_TILED_MASK; |
8106 | switch (tiling) { | |
8107 | case PLANE_CTL_TILED_LINEAR: | |
8108 | fb->modifier[0] = DRM_FORMAT_MOD_NONE; | |
8109 | break; | |
8110 | case PLANE_CTL_TILED_X: | |
8111 | plane_config->tiling = I915_TILING_X; | |
8112 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
8113 | break; | |
8114 | case PLANE_CTL_TILED_Y: | |
8115 | fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; | |
8116 | break; | |
8117 | case PLANE_CTL_TILED_YF: | |
8118 | fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; | |
8119 | break; | |
8120 | default: | |
8121 | MISSING_CASE(tiling); | |
8122 | goto error; | |
8123 | } | |
8124 | ||
bc8d7dff DL |
8125 | base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; |
8126 | plane_config->base = base; | |
8127 | ||
8128 | offset = I915_READ(PLANE_OFFSET(pipe, 0)); | |
8129 | ||
8130 | val = I915_READ(PLANE_SIZE(pipe, 0)); | |
8131 | fb->height = ((val >> 16) & 0xfff) + 1; | |
8132 | fb->width = ((val >> 0) & 0x1fff) + 1; | |
8133 | ||
8134 | val = I915_READ(PLANE_STRIDE(pipe, 0)); | |
40f46283 DL |
8135 | stride_mult = intel_fb_stride_alignment(dev, fb->modifier[0], |
8136 | fb->pixel_format); | |
bc8d7dff DL |
8137 | fb->pitches[0] = (val & 0x3ff) * stride_mult; |
8138 | ||
8139 | aligned_height = intel_fb_align_height(dev, fb->height, | |
091df6cb DV |
8140 | fb->pixel_format, |
8141 | fb->modifier[0]); | |
bc8d7dff | 8142 | |
f37b5c2b | 8143 | plane_config->size = fb->pitches[0] * aligned_height; |
bc8d7dff DL |
8144 | |
8145 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
8146 | pipe_name(pipe), fb->width, fb->height, | |
8147 | fb->bits_per_pixel, base, fb->pitches[0], | |
8148 | plane_config->size); | |
8149 | ||
2d14030b | 8150 | plane_config->fb = intel_fb; |
bc8d7dff DL |
8151 | return; |
8152 | ||
8153 | error: | |
8154 | kfree(fb); | |
8155 | } | |
8156 | ||
2fa2fe9a | 8157 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8158 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
8159 | { |
8160 | struct drm_device *dev = crtc->base.dev; | |
8161 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8162 | uint32_t tmp; | |
8163 | ||
8164 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
8165 | ||
8166 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 8167 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
8168 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
8169 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
8170 | |
8171 | /* We currently do not free assignements of panel fitters on | |
8172 | * ivb/hsw (since we don't use the higher upscaling modes which | |
8173 | * differentiates them) so just WARN about this case for now. */ | |
8174 | if (IS_GEN7(dev)) { | |
8175 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
8176 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
8177 | } | |
2fa2fe9a | 8178 | } |
79e53945 JB |
8179 | } |
8180 | ||
5724dbd1 DL |
8181 | static void |
8182 | ironlake_get_initial_plane_config(struct intel_crtc *crtc, | |
8183 | struct intel_initial_plane_config *plane_config) | |
4c6baa59 JB |
8184 | { |
8185 | struct drm_device *dev = crtc->base.dev; | |
8186 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8187 | u32 val, base, offset; | |
aeee5a49 | 8188 | int pipe = crtc->pipe; |
4c6baa59 | 8189 | int fourcc, pixel_format; |
6761dd31 | 8190 | unsigned int aligned_height; |
b113d5ee | 8191 | struct drm_framebuffer *fb; |
1b842c89 | 8192 | struct intel_framebuffer *intel_fb; |
4c6baa59 | 8193 | |
42a7b088 DL |
8194 | val = I915_READ(DSPCNTR(pipe)); |
8195 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
8196 | return; | |
8197 | ||
d9806c9f | 8198 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 8199 | if (!intel_fb) { |
4c6baa59 JB |
8200 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8201 | return; | |
8202 | } | |
8203 | ||
1b842c89 DL |
8204 | fb = &intel_fb->base; |
8205 | ||
18c5247e DV |
8206 | if (INTEL_INFO(dev)->gen >= 4) { |
8207 | if (val & DISPPLANE_TILED) { | |
49af449b | 8208 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
8209 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
8210 | } | |
8211 | } | |
4c6baa59 JB |
8212 | |
8213 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 8214 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
8215 | fb->pixel_format = fourcc; |
8216 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
4c6baa59 | 8217 | |
aeee5a49 | 8218 | base = I915_READ(DSPSURF(pipe)) & 0xfffff000; |
4c6baa59 | 8219 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
aeee5a49 | 8220 | offset = I915_READ(DSPOFFSET(pipe)); |
4c6baa59 | 8221 | } else { |
49af449b | 8222 | if (plane_config->tiling) |
aeee5a49 | 8223 | offset = I915_READ(DSPTILEOFF(pipe)); |
4c6baa59 | 8224 | else |
aeee5a49 | 8225 | offset = I915_READ(DSPLINOFF(pipe)); |
4c6baa59 JB |
8226 | } |
8227 | plane_config->base = base; | |
8228 | ||
8229 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
8230 | fb->width = ((val >> 16) & 0xfff) + 1; |
8231 | fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
8232 | |
8233 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 8234 | fb->pitches[0] = val & 0xffffffc0; |
4c6baa59 | 8235 | |
b113d5ee | 8236 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
8237 | fb->pixel_format, |
8238 | fb->modifier[0]); | |
4c6baa59 | 8239 | |
f37b5c2b | 8240 | plane_config->size = fb->pitches[0] * aligned_height; |
4c6baa59 | 8241 | |
2844a921 DL |
8242 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
8243 | pipe_name(pipe), fb->width, fb->height, | |
8244 | fb->bits_per_pixel, base, fb->pitches[0], | |
8245 | plane_config->size); | |
b113d5ee | 8246 | |
2d14030b | 8247 | plane_config->fb = intel_fb; |
4c6baa59 JB |
8248 | } |
8249 | ||
0e8ffe1b | 8250 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 8251 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
8252 | { |
8253 | struct drm_device *dev = crtc->base.dev; | |
8254 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8255 | uint32_t tmp; | |
8256 | ||
f458ebbc DV |
8257 | if (!intel_display_power_is_enabled(dev_priv, |
8258 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
930e8c9e PZ |
8259 | return false; |
8260 | ||
e143a21c | 8261 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 8262 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 8263 | |
0e8ffe1b DV |
8264 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
8265 | if (!(tmp & PIPECONF_ENABLE)) | |
8266 | return false; | |
8267 | ||
42571aef VS |
8268 | switch (tmp & PIPECONF_BPC_MASK) { |
8269 | case PIPECONF_6BPC: | |
8270 | pipe_config->pipe_bpp = 18; | |
8271 | break; | |
8272 | case PIPECONF_8BPC: | |
8273 | pipe_config->pipe_bpp = 24; | |
8274 | break; | |
8275 | case PIPECONF_10BPC: | |
8276 | pipe_config->pipe_bpp = 30; | |
8277 | break; | |
8278 | case PIPECONF_12BPC: | |
8279 | pipe_config->pipe_bpp = 36; | |
8280 | break; | |
8281 | default: | |
8282 | break; | |
8283 | } | |
8284 | ||
b5a9fa09 DV |
8285 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
8286 | pipe_config->limited_color_range = true; | |
8287 | ||
ab9412ba | 8288 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 DV |
8289 | struct intel_shared_dpll *pll; |
8290 | ||
88adfff1 DV |
8291 | pipe_config->has_pch_encoder = true; |
8292 | ||
627eb5a3 DV |
8293 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
8294 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
8295 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
8296 | |
8297 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 8298 | |
c0d43d62 | 8299 | if (HAS_PCH_IBX(dev_priv->dev)) { |
d94ab068 DV |
8300 | pipe_config->shared_dpll = |
8301 | (enum intel_dpll_id) crtc->pipe; | |
c0d43d62 DV |
8302 | } else { |
8303 | tmp = I915_READ(PCH_DPLL_SEL); | |
8304 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
8305 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; | |
8306 | else | |
8307 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; | |
8308 | } | |
66e985c0 DV |
8309 | |
8310 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
8311 | ||
8312 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
8313 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
8314 | |
8315 | tmp = pipe_config->dpll_hw_state.dpll; | |
8316 | pipe_config->pixel_multiplier = | |
8317 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
8318 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
8319 | |
8320 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
8321 | } else { |
8322 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
8323 | } |
8324 | ||
1bd1bd80 DV |
8325 | intel_get_pipe_timings(crtc, pipe_config); |
8326 | ||
2fa2fe9a DV |
8327 | ironlake_get_pfit_config(crtc, pipe_config); |
8328 | ||
0e8ffe1b DV |
8329 | return true; |
8330 | } | |
8331 | ||
be256dc7 PZ |
8332 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
8333 | { | |
8334 | struct drm_device *dev = dev_priv->dev; | |
be256dc7 | 8335 | struct intel_crtc *crtc; |
be256dc7 | 8336 | |
d3fcc808 | 8337 | for_each_intel_crtc(dev, crtc) |
e2c719b7 | 8338 | I915_STATE_WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
8339 | pipe_name(crtc->pipe)); |
8340 | ||
e2c719b7 RC |
8341 | I915_STATE_WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
8342 | I915_STATE_WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); | |
8343 | I915_STATE_WARN(I915_READ(WRPLL_CTL1) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); | |
8344 | I915_STATE_WARN(I915_READ(WRPLL_CTL2) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); | |
8345 | I915_STATE_WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); | |
8346 | I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, | |
be256dc7 | 8347 | "CPU PWM1 enabled\n"); |
c5107b87 | 8348 | if (IS_HASWELL(dev)) |
e2c719b7 | 8349 | I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
c5107b87 | 8350 | "CPU PWM2 enabled\n"); |
e2c719b7 | 8351 | I915_STATE_WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
be256dc7 | 8352 | "PCH PWM1 enabled\n"); |
e2c719b7 | 8353 | I915_STATE_WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
be256dc7 | 8354 | "Utility pin enabled\n"); |
e2c719b7 | 8355 | I915_STATE_WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
be256dc7 | 8356 | |
9926ada1 PZ |
8357 | /* |
8358 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
8359 | * interrupts remain enabled. We used to check for that, but since it's | |
8360 | * gen-specific and since we only disable LCPLL after we fully disable | |
8361 | * the interrupts, the check below should be enough. | |
8362 | */ | |
e2c719b7 | 8363 | I915_STATE_WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
be256dc7 PZ |
8364 | } |
8365 | ||
9ccd5aeb PZ |
8366 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
8367 | { | |
8368 | struct drm_device *dev = dev_priv->dev; | |
8369 | ||
8370 | if (IS_HASWELL(dev)) | |
8371 | return I915_READ(D_COMP_HSW); | |
8372 | else | |
8373 | return I915_READ(D_COMP_BDW); | |
8374 | } | |
8375 | ||
3c4c9b81 PZ |
8376 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
8377 | { | |
8378 | struct drm_device *dev = dev_priv->dev; | |
8379 | ||
8380 | if (IS_HASWELL(dev)) { | |
8381 | mutex_lock(&dev_priv->rps.hw_lock); | |
8382 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
8383 | val)) | |
f475dadf | 8384 | DRM_ERROR("Failed to write to D_COMP\n"); |
3c4c9b81 PZ |
8385 | mutex_unlock(&dev_priv->rps.hw_lock); |
8386 | } else { | |
9ccd5aeb PZ |
8387 | I915_WRITE(D_COMP_BDW, val); |
8388 | POSTING_READ(D_COMP_BDW); | |
3c4c9b81 | 8389 | } |
be256dc7 PZ |
8390 | } |
8391 | ||
8392 | /* | |
8393 | * This function implements pieces of two sequences from BSpec: | |
8394 | * - Sequence for display software to disable LCPLL | |
8395 | * - Sequence for display software to allow package C8+ | |
8396 | * The steps implemented here are just the steps that actually touch the LCPLL | |
8397 | * register. Callers should take care of disabling all the display engine | |
8398 | * functions, doing the mode unset, fixing interrupts, etc. | |
8399 | */ | |
6ff58d53 PZ |
8400 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
8401 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
8402 | { |
8403 | uint32_t val; | |
8404 | ||
8405 | assert_can_disable_lcpll(dev_priv); | |
8406 | ||
8407 | val = I915_READ(LCPLL_CTL); | |
8408 | ||
8409 | if (switch_to_fclk) { | |
8410 | val |= LCPLL_CD_SOURCE_FCLK; | |
8411 | I915_WRITE(LCPLL_CTL, val); | |
8412 | ||
8413 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
8414 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
8415 | DRM_ERROR("Switching to FCLK failed\n"); | |
8416 | ||
8417 | val = I915_READ(LCPLL_CTL); | |
8418 | } | |
8419 | ||
8420 | val |= LCPLL_PLL_DISABLE; | |
8421 | I915_WRITE(LCPLL_CTL, val); | |
8422 | POSTING_READ(LCPLL_CTL); | |
8423 | ||
8424 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) | |
8425 | DRM_ERROR("LCPLL still locked\n"); | |
8426 | ||
9ccd5aeb | 8427 | val = hsw_read_dcomp(dev_priv); |
be256dc7 | 8428 | val |= D_COMP_COMP_DISABLE; |
3c4c9b81 | 8429 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
8430 | ndelay(100); |
8431 | ||
9ccd5aeb PZ |
8432 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
8433 | 1)) | |
be256dc7 PZ |
8434 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
8435 | ||
8436 | if (allow_power_down) { | |
8437 | val = I915_READ(LCPLL_CTL); | |
8438 | val |= LCPLL_POWER_DOWN_ALLOW; | |
8439 | I915_WRITE(LCPLL_CTL, val); | |
8440 | POSTING_READ(LCPLL_CTL); | |
8441 | } | |
8442 | } | |
8443 | ||
8444 | /* | |
8445 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
8446 | * source. | |
8447 | */ | |
6ff58d53 | 8448 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
8449 | { |
8450 | uint32_t val; | |
8451 | ||
8452 | val = I915_READ(LCPLL_CTL); | |
8453 | ||
8454 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
8455 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
8456 | return; | |
8457 | ||
a8a8bd54 PZ |
8458 | /* |
8459 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
8460 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
a8a8bd54 | 8461 | */ |
59bad947 | 8462 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
215733fa | 8463 | |
be256dc7 PZ |
8464 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
8465 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
8466 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 8467 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
8468 | } |
8469 | ||
9ccd5aeb | 8470 | val = hsw_read_dcomp(dev_priv); |
be256dc7 PZ |
8471 | val |= D_COMP_COMP_FORCE; |
8472 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 8473 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
8474 | |
8475 | val = I915_READ(LCPLL_CTL); | |
8476 | val &= ~LCPLL_PLL_DISABLE; | |
8477 | I915_WRITE(LCPLL_CTL, val); | |
8478 | ||
8479 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) | |
8480 | DRM_ERROR("LCPLL not locked yet\n"); | |
8481 | ||
8482 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
8483 | val = I915_READ(LCPLL_CTL); | |
8484 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
8485 | I915_WRITE(LCPLL_CTL, val); | |
8486 | ||
8487 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
8488 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
8489 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
8490 | } | |
215733fa | 8491 | |
59bad947 | 8492 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
be256dc7 PZ |
8493 | } |
8494 | ||
765dab67 PZ |
8495 | /* |
8496 | * Package states C8 and deeper are really deep PC states that can only be | |
8497 | * reached when all the devices on the system allow it, so even if the graphics | |
8498 | * device allows PC8+, it doesn't mean the system will actually get to these | |
8499 | * states. Our driver only allows PC8+ when going into runtime PM. | |
8500 | * | |
8501 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
8502 | * well is disabled and most interrupts are disabled, and these are also | |
8503 | * requirements for runtime PM. When these conditions are met, we manually do | |
8504 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
8505 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
8506 | * hang the machine. | |
8507 | * | |
8508 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
8509 | * the state of some registers, so when we come back from PC8+ we need to | |
8510 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
8511 | * need to take care of the registers kept by RC6. Notice that this happens even | |
8512 | * if we don't put the device in PCI D3 state (which is what currently happens | |
8513 | * because of the runtime PM support). | |
8514 | * | |
8515 | * For more, read "Display Sequences for Package C8" on the hardware | |
8516 | * documentation. | |
8517 | */ | |
a14cb6fc | 8518 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 8519 | { |
c67a470b PZ |
8520 | struct drm_device *dev = dev_priv->dev; |
8521 | uint32_t val; | |
8522 | ||
c67a470b PZ |
8523 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
8524 | ||
c67a470b PZ |
8525 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
8526 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
8527 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
8528 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
8529 | } | |
8530 | ||
8531 | lpt_disable_clkout_dp(dev); | |
c67a470b PZ |
8532 | hsw_disable_lcpll(dev_priv, true, true); |
8533 | } | |
8534 | ||
a14cb6fc | 8535 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b PZ |
8536 | { |
8537 | struct drm_device *dev = dev_priv->dev; | |
8538 | uint32_t val; | |
8539 | ||
c67a470b PZ |
8540 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
8541 | ||
8542 | hsw_restore_lcpll(dev_priv); | |
c67a470b PZ |
8543 | lpt_init_pch_refclk(dev); |
8544 | ||
8545 | if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { | |
8546 | val = I915_READ(SOUTH_DSPCLK_GATE_D); | |
8547 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
8548 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
8549 | } | |
8550 | ||
8551 | intel_prepare_ddi(dev); | |
c67a470b PZ |
8552 | } |
8553 | ||
190f68c5 ACO |
8554 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc, |
8555 | struct intel_crtc_state *crtc_state) | |
09b4ddf9 | 8556 | { |
190f68c5 | 8557 | if (!intel_ddi_pll_select(crtc, crtc_state)) |
6441ab5f | 8558 | return -EINVAL; |
716c2e55 | 8559 | |
c7653199 | 8560 | crtc->lowfreq_avail = false; |
644cef34 | 8561 | |
c8f7a0db | 8562 | return 0; |
79e53945 JB |
8563 | } |
8564 | ||
96b7dfb7 S |
8565 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
8566 | enum port port, | |
5cec258b | 8567 | struct intel_crtc_state *pipe_config) |
96b7dfb7 | 8568 | { |
3148ade7 | 8569 | u32 temp, dpll_ctl1; |
96b7dfb7 S |
8570 | |
8571 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); | |
8572 | pipe_config->ddi_pll_sel = temp >> (port * 3 + 1); | |
8573 | ||
8574 | switch (pipe_config->ddi_pll_sel) { | |
3148ade7 DL |
8575 | case SKL_DPLL0: |
8576 | /* | |
8577 | * On SKL the eDP DPLL (DPLL0 as we don't use SSC) is not part | |
8578 | * of the shared DPLL framework and thus needs to be read out | |
8579 | * separately | |
8580 | */ | |
8581 | dpll_ctl1 = I915_READ(DPLL_CTRL1); | |
8582 | pipe_config->dpll_hw_state.ctrl1 = dpll_ctl1 & 0x3f; | |
8583 | break; | |
96b7dfb7 S |
8584 | case SKL_DPLL1: |
8585 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
8586 | break; | |
8587 | case SKL_DPLL2: | |
8588 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
8589 | break; | |
8590 | case SKL_DPLL3: | |
8591 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
8592 | break; | |
96b7dfb7 S |
8593 | } |
8594 | } | |
8595 | ||
7d2c8175 DL |
8596 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
8597 | enum port port, | |
5cec258b | 8598 | struct intel_crtc_state *pipe_config) |
7d2c8175 DL |
8599 | { |
8600 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); | |
8601 | ||
8602 | switch (pipe_config->ddi_pll_sel) { | |
8603 | case PORT_CLK_SEL_WRPLL1: | |
8604 | pipe_config->shared_dpll = DPLL_ID_WRPLL1; | |
8605 | break; | |
8606 | case PORT_CLK_SEL_WRPLL2: | |
8607 | pipe_config->shared_dpll = DPLL_ID_WRPLL2; | |
8608 | break; | |
8609 | } | |
8610 | } | |
8611 | ||
26804afd | 8612 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
5cec258b | 8613 | struct intel_crtc_state *pipe_config) |
26804afd DV |
8614 | { |
8615 | struct drm_device *dev = crtc->base.dev; | |
8616 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d452c5b6 | 8617 | struct intel_shared_dpll *pll; |
26804afd DV |
8618 | enum port port; |
8619 | uint32_t tmp; | |
8620 | ||
8621 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); | |
8622 | ||
8623 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; | |
8624 | ||
96b7dfb7 S |
8625 | if (IS_SKYLAKE(dev)) |
8626 | skylake_get_ddi_pll(dev_priv, port, pipe_config); | |
8627 | else | |
8628 | haswell_get_ddi_pll(dev_priv, port, pipe_config); | |
9cd86933 | 8629 | |
d452c5b6 DV |
8630 | if (pipe_config->shared_dpll >= 0) { |
8631 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
8632 | ||
8633 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
8634 | &pipe_config->dpll_hw_state)); | |
8635 | } | |
8636 | ||
26804afd DV |
8637 | /* |
8638 | * Haswell has only FDI/PCH transcoder A. It is which is connected to | |
8639 | * DDI E. So just check whether this pipe is wired to DDI E and whether | |
8640 | * the PCH transcoder is on. | |
8641 | */ | |
ca370455 DL |
8642 | if (INTEL_INFO(dev)->gen < 9 && |
8643 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { | |
26804afd DV |
8644 | pipe_config->has_pch_encoder = true; |
8645 | ||
8646 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); | |
8647 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
8648 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
8649 | ||
8650 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
8651 | } | |
8652 | } | |
8653 | ||
0e8ffe1b | 8654 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 8655 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
8656 | { |
8657 | struct drm_device *dev = crtc->base.dev; | |
8658 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa2fe9a | 8659 | enum intel_display_power_domain pfit_domain; |
0e8ffe1b DV |
8660 | uint32_t tmp; |
8661 | ||
f458ebbc | 8662 | if (!intel_display_power_is_enabled(dev_priv, |
b5482bd0 ID |
8663 | POWER_DOMAIN_PIPE(crtc->pipe))) |
8664 | return false; | |
8665 | ||
e143a21c | 8666 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 DV |
8667 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
8668 | ||
eccb140b DV |
8669 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
8670 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
8671 | enum pipe trans_edp_pipe; | |
8672 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
8673 | default: | |
8674 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
8675 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
8676 | case TRANS_DDI_EDP_INPUT_A_ON: | |
8677 | trans_edp_pipe = PIPE_A; | |
8678 | break; | |
8679 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
8680 | trans_edp_pipe = PIPE_B; | |
8681 | break; | |
8682 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
8683 | trans_edp_pipe = PIPE_C; | |
8684 | break; | |
8685 | } | |
8686 | ||
8687 | if (trans_edp_pipe == crtc->pipe) | |
8688 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
8689 | } | |
8690 | ||
f458ebbc | 8691 | if (!intel_display_power_is_enabled(dev_priv, |
eccb140b | 8692 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
2bfce950 PZ |
8693 | return false; |
8694 | ||
eccb140b | 8695 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
0e8ffe1b DV |
8696 | if (!(tmp & PIPECONF_ENABLE)) |
8697 | return false; | |
8698 | ||
26804afd | 8699 | haswell_get_ddi_port_state(crtc, pipe_config); |
627eb5a3 | 8700 | |
1bd1bd80 DV |
8701 | intel_get_pipe_timings(crtc, pipe_config); |
8702 | ||
2fa2fe9a | 8703 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
bd2e244f JB |
8704 | if (intel_display_power_is_enabled(dev_priv, pfit_domain)) { |
8705 | if (IS_SKYLAKE(dev)) | |
8706 | skylake_get_pfit_config(crtc, pipe_config); | |
8707 | else | |
8708 | ironlake_get_pfit_config(crtc, pipe_config); | |
8709 | } | |
88adfff1 | 8710 | |
e59150dc JB |
8711 | if (IS_HASWELL(dev)) |
8712 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
8713 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 8714 | |
ebb69c95 CT |
8715 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP) { |
8716 | pipe_config->pixel_multiplier = | |
8717 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; | |
8718 | } else { | |
8719 | pipe_config->pixel_multiplier = 1; | |
8720 | } | |
6c49f241 | 8721 | |
0e8ffe1b DV |
8722 | return true; |
8723 | } | |
8724 | ||
560b85bb CW |
8725 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
8726 | { | |
8727 | struct drm_device *dev = crtc->dev; | |
8728 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8729 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
dc41c154 | 8730 | uint32_t cntl = 0, size = 0; |
560b85bb | 8731 | |
dc41c154 | 8732 | if (base) { |
3dd512fb MR |
8733 | unsigned int width = intel_crtc->base.cursor->state->crtc_w; |
8734 | unsigned int height = intel_crtc->base.cursor->state->crtc_h; | |
dc41c154 VS |
8735 | unsigned int stride = roundup_pow_of_two(width) * 4; |
8736 | ||
8737 | switch (stride) { | |
8738 | default: | |
8739 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", | |
8740 | width, stride); | |
8741 | stride = 256; | |
8742 | /* fallthrough */ | |
8743 | case 256: | |
8744 | case 512: | |
8745 | case 1024: | |
8746 | case 2048: | |
8747 | break; | |
4b0e333e CW |
8748 | } |
8749 | ||
dc41c154 VS |
8750 | cntl |= CURSOR_ENABLE | |
8751 | CURSOR_GAMMA_ENABLE | | |
8752 | CURSOR_FORMAT_ARGB | | |
8753 | CURSOR_STRIDE(stride); | |
8754 | ||
8755 | size = (height << 12) | width; | |
4b0e333e | 8756 | } |
560b85bb | 8757 | |
dc41c154 VS |
8758 | if (intel_crtc->cursor_cntl != 0 && |
8759 | (intel_crtc->cursor_base != base || | |
8760 | intel_crtc->cursor_size != size || | |
8761 | intel_crtc->cursor_cntl != cntl)) { | |
8762 | /* On these chipsets we can only modify the base/size/stride | |
8763 | * whilst the cursor is disabled. | |
8764 | */ | |
8765 | I915_WRITE(_CURACNTR, 0); | |
4b0e333e | 8766 | POSTING_READ(_CURACNTR); |
dc41c154 | 8767 | intel_crtc->cursor_cntl = 0; |
4b0e333e | 8768 | } |
560b85bb | 8769 | |
99d1f387 | 8770 | if (intel_crtc->cursor_base != base) { |
9db4a9c7 | 8771 | I915_WRITE(_CURABASE, base); |
99d1f387 VS |
8772 | intel_crtc->cursor_base = base; |
8773 | } | |
4726e0b0 | 8774 | |
dc41c154 VS |
8775 | if (intel_crtc->cursor_size != size) { |
8776 | I915_WRITE(CURSIZE, size); | |
8777 | intel_crtc->cursor_size = size; | |
4b0e333e | 8778 | } |
560b85bb | 8779 | |
4b0e333e | 8780 | if (intel_crtc->cursor_cntl != cntl) { |
4b0e333e CW |
8781 | I915_WRITE(_CURACNTR, cntl); |
8782 | POSTING_READ(_CURACNTR); | |
4b0e333e | 8783 | intel_crtc->cursor_cntl = cntl; |
560b85bb | 8784 | } |
560b85bb CW |
8785 | } |
8786 | ||
560b85bb | 8787 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
65a21cd6 JB |
8788 | { |
8789 | struct drm_device *dev = crtc->dev; | |
8790 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8791 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8792 | int pipe = intel_crtc->pipe; | |
4b0e333e CW |
8793 | uint32_t cntl; |
8794 | ||
8795 | cntl = 0; | |
8796 | if (base) { | |
8797 | cntl = MCURSOR_GAMMA_ENABLE; | |
3dd512fb | 8798 | switch (intel_crtc->base.cursor->state->crtc_w) { |
4726e0b0 SK |
8799 | case 64: |
8800 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
8801 | break; | |
8802 | case 128: | |
8803 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
8804 | break; | |
8805 | case 256: | |
8806 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
8807 | break; | |
8808 | default: | |
3dd512fb | 8809 | MISSING_CASE(intel_crtc->base.cursor->state->crtc_w); |
4726e0b0 | 8810 | return; |
65a21cd6 | 8811 | } |
4b0e333e | 8812 | cntl |= pipe << 28; /* Connect to correct pipe */ |
47bf17a7 VS |
8813 | |
8814 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
8815 | cntl |= CURSOR_PIPE_CSC_ENABLE; | |
4b0e333e | 8816 | } |
65a21cd6 | 8817 | |
8e7d688b | 8818 | if (crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) |
4398ad45 VS |
8819 | cntl |= CURSOR_ROTATE_180; |
8820 | ||
4b0e333e CW |
8821 | if (intel_crtc->cursor_cntl != cntl) { |
8822 | I915_WRITE(CURCNTR(pipe), cntl); | |
8823 | POSTING_READ(CURCNTR(pipe)); | |
8824 | intel_crtc->cursor_cntl = cntl; | |
65a21cd6 | 8825 | } |
4b0e333e | 8826 | |
65a21cd6 | 8827 | /* and commit changes on next vblank */ |
5efb3e28 VS |
8828 | I915_WRITE(CURBASE(pipe), base); |
8829 | POSTING_READ(CURBASE(pipe)); | |
99d1f387 VS |
8830 | |
8831 | intel_crtc->cursor_base = base; | |
65a21cd6 JB |
8832 | } |
8833 | ||
cda4b7d3 | 8834 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f CW |
8835 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
8836 | bool on) | |
cda4b7d3 CW |
8837 | { |
8838 | struct drm_device *dev = crtc->dev; | |
8839 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8840 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8841 | int pipe = intel_crtc->pipe; | |
3d7d6510 MR |
8842 | int x = crtc->cursor_x; |
8843 | int y = crtc->cursor_y; | |
d6e4db15 | 8844 | u32 base = 0, pos = 0; |
cda4b7d3 | 8845 | |
d6e4db15 | 8846 | if (on) |
cda4b7d3 | 8847 | base = intel_crtc->cursor_addr; |
cda4b7d3 | 8848 | |
6e3c9717 | 8849 | if (x >= intel_crtc->config->pipe_src_w) |
d6e4db15 VS |
8850 | base = 0; |
8851 | ||
6e3c9717 | 8852 | if (y >= intel_crtc->config->pipe_src_h) |
cda4b7d3 CW |
8853 | base = 0; |
8854 | ||
8855 | if (x < 0) { | |
3dd512fb | 8856 | if (x + intel_crtc->base.cursor->state->crtc_w <= 0) |
cda4b7d3 CW |
8857 | base = 0; |
8858 | ||
8859 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
8860 | x = -x; | |
8861 | } | |
8862 | pos |= x << CURSOR_X_SHIFT; | |
8863 | ||
8864 | if (y < 0) { | |
3dd512fb | 8865 | if (y + intel_crtc->base.cursor->state->crtc_h <= 0) |
cda4b7d3 CW |
8866 | base = 0; |
8867 | ||
8868 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
8869 | y = -y; | |
8870 | } | |
8871 | pos |= y << CURSOR_Y_SHIFT; | |
8872 | ||
4b0e333e | 8873 | if (base == 0 && intel_crtc->cursor_base == 0) |
cda4b7d3 CW |
8874 | return; |
8875 | ||
5efb3e28 VS |
8876 | I915_WRITE(CURPOS(pipe), pos); |
8877 | ||
4398ad45 VS |
8878 | /* ILK+ do this automagically */ |
8879 | if (HAS_GMCH_DISPLAY(dev) && | |
8e7d688b | 8880 | crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) { |
3dd512fb MR |
8881 | base += (intel_crtc->base.cursor->state->crtc_h * |
8882 | intel_crtc->base.cursor->state->crtc_w - 1) * 4; | |
4398ad45 VS |
8883 | } |
8884 | ||
8ac54669 | 8885 | if (IS_845G(dev) || IS_I865G(dev)) |
5efb3e28 VS |
8886 | i845_update_cursor(crtc, base); |
8887 | else | |
8888 | i9xx_update_cursor(crtc, base); | |
cda4b7d3 CW |
8889 | } |
8890 | ||
dc41c154 VS |
8891 | static bool cursor_size_ok(struct drm_device *dev, |
8892 | uint32_t width, uint32_t height) | |
8893 | { | |
8894 | if (width == 0 || height == 0) | |
8895 | return false; | |
8896 | ||
8897 | /* | |
8898 | * 845g/865g are special in that they are only limited by | |
8899 | * the width of their cursors, the height is arbitrary up to | |
8900 | * the precision of the register. Everything else requires | |
8901 | * square cursors, limited to a few power-of-two sizes. | |
8902 | */ | |
8903 | if (IS_845G(dev) || IS_I865G(dev)) { | |
8904 | if ((width & 63) != 0) | |
8905 | return false; | |
8906 | ||
8907 | if (width > (IS_845G(dev) ? 64 : 512)) | |
8908 | return false; | |
8909 | ||
8910 | if (height > 1023) | |
8911 | return false; | |
8912 | } else { | |
8913 | switch (width | height) { | |
8914 | case 256: | |
8915 | case 128: | |
8916 | if (IS_GEN2(dev)) | |
8917 | return false; | |
8918 | case 64: | |
8919 | break; | |
8920 | default: | |
8921 | return false; | |
8922 | } | |
8923 | } | |
8924 | ||
8925 | return true; | |
8926 | } | |
8927 | ||
79e53945 | 8928 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 8929 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 8930 | { |
7203425a | 8931 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 8932 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 8933 | |
7203425a | 8934 | for (i = start; i < end; i++) { |
79e53945 JB |
8935 | intel_crtc->lut_r[i] = red[i] >> 8; |
8936 | intel_crtc->lut_g[i] = green[i] >> 8; | |
8937 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
8938 | } | |
8939 | ||
8940 | intel_crtc_load_lut(crtc); | |
8941 | } | |
8942 | ||
79e53945 JB |
8943 | /* VESA 640x480x72Hz mode to set on the pipe */ |
8944 | static struct drm_display_mode load_detect_mode = { | |
8945 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
8946 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
8947 | }; | |
8948 | ||
a8bb6818 DV |
8949 | struct drm_framebuffer * |
8950 | __intel_framebuffer_create(struct drm_device *dev, | |
8951 | struct drm_mode_fb_cmd2 *mode_cmd, | |
8952 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
8953 | { |
8954 | struct intel_framebuffer *intel_fb; | |
8955 | int ret; | |
8956 | ||
8957 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
8958 | if (!intel_fb) { | |
6ccb81f2 | 8959 | drm_gem_object_unreference(&obj->base); |
d2dff872 CW |
8960 | return ERR_PTR(-ENOMEM); |
8961 | } | |
8962 | ||
8963 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
8964 | if (ret) |
8965 | goto err; | |
d2dff872 CW |
8966 | |
8967 | return &intel_fb->base; | |
dd4916c5 | 8968 | err: |
6ccb81f2 | 8969 | drm_gem_object_unreference(&obj->base); |
dd4916c5 DV |
8970 | kfree(intel_fb); |
8971 | ||
8972 | return ERR_PTR(ret); | |
d2dff872 CW |
8973 | } |
8974 | ||
b5ea642a | 8975 | static struct drm_framebuffer * |
a8bb6818 DV |
8976 | intel_framebuffer_create(struct drm_device *dev, |
8977 | struct drm_mode_fb_cmd2 *mode_cmd, | |
8978 | struct drm_i915_gem_object *obj) | |
8979 | { | |
8980 | struct drm_framebuffer *fb; | |
8981 | int ret; | |
8982 | ||
8983 | ret = i915_mutex_lock_interruptible(dev); | |
8984 | if (ret) | |
8985 | return ERR_PTR(ret); | |
8986 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
8987 | mutex_unlock(&dev->struct_mutex); | |
8988 | ||
8989 | return fb; | |
8990 | } | |
8991 | ||
d2dff872 CW |
8992 | static u32 |
8993 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
8994 | { | |
8995 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
8996 | return ALIGN(pitch, 64); | |
8997 | } | |
8998 | ||
8999 | static u32 | |
9000 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
9001 | { | |
9002 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
1267a26b | 9003 | return PAGE_ALIGN(pitch * mode->vdisplay); |
d2dff872 CW |
9004 | } |
9005 | ||
9006 | static struct drm_framebuffer * | |
9007 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
9008 | struct drm_display_mode *mode, | |
9009 | int depth, int bpp) | |
9010 | { | |
9011 | struct drm_i915_gem_object *obj; | |
0fed39bd | 9012 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
9013 | |
9014 | obj = i915_gem_alloc_object(dev, | |
9015 | intel_framebuffer_size_for_mode(mode, bpp)); | |
9016 | if (obj == NULL) | |
9017 | return ERR_PTR(-ENOMEM); | |
9018 | ||
9019 | mode_cmd.width = mode->hdisplay; | |
9020 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
9021 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
9022 | bpp); | |
5ca0c34a | 9023 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 CW |
9024 | |
9025 | return intel_framebuffer_create(dev, &mode_cmd, obj); | |
9026 | } | |
9027 | ||
9028 | static struct drm_framebuffer * | |
9029 | mode_fits_in_fbdev(struct drm_device *dev, | |
9030 | struct drm_display_mode *mode) | |
9031 | { | |
4520f53a | 9032 | #ifdef CONFIG_DRM_I915_FBDEV |
d2dff872 CW |
9033 | struct drm_i915_private *dev_priv = dev->dev_private; |
9034 | struct drm_i915_gem_object *obj; | |
9035 | struct drm_framebuffer *fb; | |
9036 | ||
4c0e5528 | 9037 | if (!dev_priv->fbdev) |
d2dff872 CW |
9038 | return NULL; |
9039 | ||
4c0e5528 | 9040 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
9041 | return NULL; |
9042 | ||
4c0e5528 DV |
9043 | obj = dev_priv->fbdev->fb->obj; |
9044 | BUG_ON(!obj); | |
9045 | ||
8bcd4553 | 9046 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
9047 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
9048 | fb->bits_per_pixel)) | |
d2dff872 CW |
9049 | return NULL; |
9050 | ||
01f2c773 | 9051 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
9052 | return NULL; |
9053 | ||
9054 | return fb; | |
4520f53a DV |
9055 | #else |
9056 | return NULL; | |
9057 | #endif | |
d2dff872 CW |
9058 | } |
9059 | ||
d2434ab7 | 9060 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 9061 | struct drm_display_mode *mode, |
51fd371b RC |
9062 | struct intel_load_detect_pipe *old, |
9063 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 JB |
9064 | { |
9065 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
9066 | struct intel_encoder *intel_encoder = |
9067 | intel_attached_encoder(connector); | |
79e53945 | 9068 | struct drm_crtc *possible_crtc; |
4ef69c7a | 9069 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
9070 | struct drm_crtc *crtc = NULL; |
9071 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 9072 | struct drm_framebuffer *fb; |
51fd371b | 9073 | struct drm_mode_config *config = &dev->mode_config; |
83a57153 | 9074 | struct drm_atomic_state *state = NULL; |
944b0c76 | 9075 | struct drm_connector_state *connector_state; |
51fd371b | 9076 | int ret, i = -1; |
79e53945 | 9077 | |
d2dff872 | 9078 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 9079 | connector->base.id, connector->name, |
8e329a03 | 9080 | encoder->base.id, encoder->name); |
d2dff872 | 9081 | |
51fd371b RC |
9082 | retry: |
9083 | ret = drm_modeset_lock(&config->connection_mutex, ctx); | |
9084 | if (ret) | |
9085 | goto fail_unlock; | |
6e9f798d | 9086 | |
79e53945 JB |
9087 | /* |
9088 | * Algorithm gets a little messy: | |
7a5e4805 | 9089 | * |
79e53945 JB |
9090 | * - if the connector already has an assigned crtc, use it (but make |
9091 | * sure it's on first) | |
7a5e4805 | 9092 | * |
79e53945 JB |
9093 | * - try to find the first unused crtc that can drive this connector, |
9094 | * and use that if we find one | |
79e53945 JB |
9095 | */ |
9096 | ||
9097 | /* See if we already have a CRTC for this connector */ | |
9098 | if (encoder->crtc) { | |
9099 | crtc = encoder->crtc; | |
8261b191 | 9100 | |
51fd371b | 9101 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
4d02e2de DV |
9102 | if (ret) |
9103 | goto fail_unlock; | |
9104 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); | |
51fd371b RC |
9105 | if (ret) |
9106 | goto fail_unlock; | |
7b24056b | 9107 | |
24218aac | 9108 | old->dpms_mode = connector->dpms; |
8261b191 CW |
9109 | old->load_detect_temp = false; |
9110 | ||
9111 | /* Make sure the crtc and connector are running */ | |
24218aac DV |
9112 | if (connector->dpms != DRM_MODE_DPMS_ON) |
9113 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); | |
8261b191 | 9114 | |
7173188d | 9115 | return true; |
79e53945 JB |
9116 | } |
9117 | ||
9118 | /* Find an unused one (if possible) */ | |
70e1e0ec | 9119 | for_each_crtc(dev, possible_crtc) { |
79e53945 JB |
9120 | i++; |
9121 | if (!(encoder->possible_crtcs & (1 << i))) | |
9122 | continue; | |
83d65738 | 9123 | if (possible_crtc->state->enable) |
a459249c VS |
9124 | continue; |
9125 | /* This can occur when applying the pipe A quirk on resume. */ | |
9126 | if (to_intel_crtc(possible_crtc)->new_enabled) | |
9127 | continue; | |
9128 | ||
9129 | crtc = possible_crtc; | |
9130 | break; | |
79e53945 JB |
9131 | } |
9132 | ||
9133 | /* | |
9134 | * If we didn't find an unused CRTC, don't use any. | |
9135 | */ | |
9136 | if (!crtc) { | |
7173188d | 9137 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
51fd371b | 9138 | goto fail_unlock; |
79e53945 JB |
9139 | } |
9140 | ||
51fd371b RC |
9141 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
9142 | if (ret) | |
4d02e2de DV |
9143 | goto fail_unlock; |
9144 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); | |
9145 | if (ret) | |
51fd371b | 9146 | goto fail_unlock; |
fc303101 DV |
9147 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
9148 | to_intel_connector(connector)->new_encoder = intel_encoder; | |
79e53945 JB |
9149 | |
9150 | intel_crtc = to_intel_crtc(crtc); | |
412b61d8 | 9151 | intel_crtc->new_enabled = true; |
6e3c9717 | 9152 | intel_crtc->new_config = intel_crtc->config; |
24218aac | 9153 | old->dpms_mode = connector->dpms; |
8261b191 | 9154 | old->load_detect_temp = true; |
d2dff872 | 9155 | old->release_fb = NULL; |
79e53945 | 9156 | |
83a57153 ACO |
9157 | state = drm_atomic_state_alloc(dev); |
9158 | if (!state) | |
9159 | return false; | |
9160 | ||
9161 | state->acquire_ctx = ctx; | |
9162 | ||
944b0c76 ACO |
9163 | connector_state = drm_atomic_get_connector_state(state, connector); |
9164 | if (IS_ERR(connector_state)) { | |
9165 | ret = PTR_ERR(connector_state); | |
9166 | goto fail; | |
9167 | } | |
9168 | ||
9169 | connector_state->crtc = crtc; | |
9170 | connector_state->best_encoder = &intel_encoder->base; | |
9171 | ||
6492711d CW |
9172 | if (!mode) |
9173 | mode = &load_detect_mode; | |
79e53945 | 9174 | |
d2dff872 CW |
9175 | /* We need a framebuffer large enough to accommodate all accesses |
9176 | * that the plane may generate whilst we perform load detection. | |
9177 | * We can not rely on the fbcon either being present (we get called | |
9178 | * during its initialisation to detect all boot displays, or it may | |
9179 | * not even exist) or that it is large enough to satisfy the | |
9180 | * requested mode. | |
9181 | */ | |
94352cf9 DV |
9182 | fb = mode_fits_in_fbdev(dev, mode); |
9183 | if (fb == NULL) { | |
d2dff872 | 9184 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 DV |
9185 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
9186 | old->release_fb = fb; | |
d2dff872 CW |
9187 | } else |
9188 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 9189 | if (IS_ERR(fb)) { |
d2dff872 | 9190 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 9191 | goto fail; |
79e53945 | 9192 | } |
79e53945 | 9193 | |
83a57153 | 9194 | if (intel_set_mode(crtc, mode, 0, 0, fb, state)) { |
6492711d | 9195 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
d2dff872 CW |
9196 | if (old->release_fb) |
9197 | old->release_fb->funcs->destroy(old->release_fb); | |
412b61d8 | 9198 | goto fail; |
79e53945 | 9199 | } |
9128b040 | 9200 | crtc->primary->crtc = crtc; |
7173188d | 9201 | |
79e53945 | 9202 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 9203 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 9204 | return true; |
412b61d8 VS |
9205 | |
9206 | fail: | |
83d65738 | 9207 | intel_crtc->new_enabled = crtc->state->enable; |
412b61d8 | 9208 | if (intel_crtc->new_enabled) |
6e3c9717 | 9209 | intel_crtc->new_config = intel_crtc->config; |
412b61d8 VS |
9210 | else |
9211 | intel_crtc->new_config = NULL; | |
51fd371b | 9212 | fail_unlock: |
83a57153 ACO |
9213 | if (state) { |
9214 | drm_atomic_state_free(state); | |
9215 | state = NULL; | |
9216 | } | |
9217 | ||
51fd371b RC |
9218 | if (ret == -EDEADLK) { |
9219 | drm_modeset_backoff(ctx); | |
9220 | goto retry; | |
9221 | } | |
9222 | ||
412b61d8 | 9223 | return false; |
79e53945 JB |
9224 | } |
9225 | ||
d2434ab7 | 9226 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
49172fee ACO |
9227 | struct intel_load_detect_pipe *old, |
9228 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 | 9229 | { |
83a57153 | 9230 | struct drm_device *dev = connector->dev; |
d2434ab7 DV |
9231 | struct intel_encoder *intel_encoder = |
9232 | intel_attached_encoder(connector); | |
4ef69c7a | 9233 | struct drm_encoder *encoder = &intel_encoder->base; |
7b24056b | 9234 | struct drm_crtc *crtc = encoder->crtc; |
412b61d8 | 9235 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
83a57153 | 9236 | struct drm_atomic_state *state; |
944b0c76 | 9237 | struct drm_connector_state *connector_state; |
79e53945 | 9238 | |
d2dff872 | 9239 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 9240 | connector->base.id, connector->name, |
8e329a03 | 9241 | encoder->base.id, encoder->name); |
d2dff872 | 9242 | |
8261b191 | 9243 | if (old->load_detect_temp) { |
83a57153 | 9244 | state = drm_atomic_state_alloc(dev); |
944b0c76 ACO |
9245 | if (!state) |
9246 | goto fail; | |
83a57153 ACO |
9247 | |
9248 | state->acquire_ctx = ctx; | |
9249 | ||
944b0c76 ACO |
9250 | connector_state = drm_atomic_get_connector_state(state, connector); |
9251 | if (IS_ERR(connector_state)) | |
9252 | goto fail; | |
9253 | ||
fc303101 DV |
9254 | to_intel_connector(connector)->new_encoder = NULL; |
9255 | intel_encoder->new_crtc = NULL; | |
412b61d8 VS |
9256 | intel_crtc->new_enabled = false; |
9257 | intel_crtc->new_config = NULL; | |
944b0c76 ACO |
9258 | |
9259 | connector_state->best_encoder = NULL; | |
9260 | connector_state->crtc = NULL; | |
9261 | ||
83a57153 ACO |
9262 | intel_set_mode(crtc, NULL, 0, 0, NULL, state); |
9263 | ||
9264 | drm_atomic_state_free(state); | |
d2dff872 | 9265 | |
36206361 DV |
9266 | if (old->release_fb) { |
9267 | drm_framebuffer_unregister_private(old->release_fb); | |
9268 | drm_framebuffer_unreference(old->release_fb); | |
9269 | } | |
d2dff872 | 9270 | |
0622a53c | 9271 | return; |
79e53945 JB |
9272 | } |
9273 | ||
c751ce4f | 9274 | /* Switch crtc and encoder back off if necessary */ |
24218aac DV |
9275 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
9276 | connector->funcs->dpms(connector, old->dpms_mode); | |
944b0c76 ACO |
9277 | |
9278 | return; | |
9279 | fail: | |
9280 | DRM_DEBUG_KMS("Couldn't release load detect pipe.\n"); | |
9281 | drm_atomic_state_free(state); | |
79e53945 JB |
9282 | } |
9283 | ||
da4a1efa | 9284 | static int i9xx_pll_refclk(struct drm_device *dev, |
5cec258b | 9285 | const struct intel_crtc_state *pipe_config) |
da4a1efa VS |
9286 | { |
9287 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9288 | u32 dpll = pipe_config->dpll_hw_state.dpll; | |
9289 | ||
9290 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 9291 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
9292 | else if (HAS_PCH_SPLIT(dev)) |
9293 | return 120000; | |
9294 | else if (!IS_GEN2(dev)) | |
9295 | return 96000; | |
9296 | else | |
9297 | return 48000; | |
9298 | } | |
9299 | ||
79e53945 | 9300 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc | 9301 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 9302 | struct intel_crtc_state *pipe_config) |
79e53945 | 9303 | { |
f1f644dc | 9304 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 9305 | struct drm_i915_private *dev_priv = dev->dev_private; |
f1f644dc | 9306 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 9307 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 JB |
9308 | u32 fp; |
9309 | intel_clock_t clock; | |
da4a1efa | 9310 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
9311 | |
9312 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 9313 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 9314 | else |
293623f7 | 9315 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
9316 | |
9317 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
9318 | if (IS_PINEVIEW(dev)) { |
9319 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
9320 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
9321 | } else { |
9322 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
9323 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
9324 | } | |
9325 | ||
a6c45cf0 | 9326 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
9327 | if (IS_PINEVIEW(dev)) |
9328 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
9329 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
9330 | else |
9331 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
9332 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
9333 | ||
9334 | switch (dpll & DPLL_MODE_MASK) { | |
9335 | case DPLLB_MODE_DAC_SERIAL: | |
9336 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
9337 | 5 : 10; | |
9338 | break; | |
9339 | case DPLLB_MODE_LVDS: | |
9340 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
9341 | 7 : 14; | |
9342 | break; | |
9343 | default: | |
28c97730 | 9344 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 9345 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 9346 | return; |
79e53945 JB |
9347 | } |
9348 | ||
ac58c3f0 | 9349 | if (IS_PINEVIEW(dev)) |
da4a1efa | 9350 | pineview_clock(refclk, &clock); |
ac58c3f0 | 9351 | else |
da4a1efa | 9352 | i9xx_clock(refclk, &clock); |
79e53945 | 9353 | } else { |
0fb58223 | 9354 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 9355 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
9356 | |
9357 | if (is_lvds) { | |
9358 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
9359 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
9360 | |
9361 | if (lvds & LVDS_CLKB_POWER_UP) | |
9362 | clock.p2 = 7; | |
9363 | else | |
9364 | clock.p2 = 14; | |
79e53945 JB |
9365 | } else { |
9366 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
9367 | clock.p1 = 2; | |
9368 | else { | |
9369 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
9370 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
9371 | } | |
9372 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
9373 | clock.p2 = 4; | |
9374 | else | |
9375 | clock.p2 = 2; | |
79e53945 | 9376 | } |
da4a1efa VS |
9377 | |
9378 | i9xx_clock(refclk, &clock); | |
79e53945 JB |
9379 | } |
9380 | ||
18442d08 VS |
9381 | /* |
9382 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 9383 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
9384 | * encoder's get_config() function. |
9385 | */ | |
9386 | pipe_config->port_clock = clock.dot; | |
f1f644dc JB |
9387 | } |
9388 | ||
6878da05 VS |
9389 | int intel_dotclock_calculate(int link_freq, |
9390 | const struct intel_link_m_n *m_n) | |
f1f644dc | 9391 | { |
f1f644dc JB |
9392 | /* |
9393 | * The calculation for the data clock is: | |
1041a02f | 9394 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 9395 | * But we want to avoid losing precison if possible, so: |
1041a02f | 9396 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
9397 | * |
9398 | * and the link clock is simpler: | |
1041a02f | 9399 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
9400 | */ |
9401 | ||
6878da05 VS |
9402 | if (!m_n->link_n) |
9403 | return 0; | |
f1f644dc | 9404 | |
6878da05 VS |
9405 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
9406 | } | |
f1f644dc | 9407 | |
18442d08 | 9408 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 9409 | struct intel_crtc_state *pipe_config) |
6878da05 VS |
9410 | { |
9411 | struct drm_device *dev = crtc->base.dev; | |
79e53945 | 9412 | |
18442d08 VS |
9413 | /* read out port_clock from the DPLL */ |
9414 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 9415 | |
f1f644dc | 9416 | /* |
18442d08 | 9417 | * This value does not include pixel_multiplier. |
241bfc38 | 9418 | * We will check that port_clock and adjusted_mode.crtc_clock |
18442d08 VS |
9419 | * agree once we know their relationship in the encoder's |
9420 | * get_config() function. | |
79e53945 | 9421 | */ |
2d112de7 | 9422 | pipe_config->base.adjusted_mode.crtc_clock = |
18442d08 VS |
9423 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
9424 | &pipe_config->fdi_m_n); | |
79e53945 JB |
9425 | } |
9426 | ||
9427 | /** Returns the currently programmed mode of the given pipe. */ | |
9428 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
9429 | struct drm_crtc *crtc) | |
9430 | { | |
548f245b | 9431 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 9432 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 9433 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
79e53945 | 9434 | struct drm_display_mode *mode; |
5cec258b | 9435 | struct intel_crtc_state pipe_config; |
fe2b8f9d PZ |
9436 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
9437 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
9438 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
9439 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 9440 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
9441 | |
9442 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
9443 | if (!mode) | |
9444 | return NULL; | |
9445 | ||
f1f644dc JB |
9446 | /* |
9447 | * Construct a pipe_config sufficient for getting the clock info | |
9448 | * back out of crtc_clock_get. | |
9449 | * | |
9450 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
9451 | * to use a real value here instead. | |
9452 | */ | |
293623f7 | 9453 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
f1f644dc | 9454 | pipe_config.pixel_multiplier = 1; |
293623f7 VS |
9455 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
9456 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
9457 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
f1f644dc JB |
9458 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
9459 | ||
773ae034 | 9460 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
79e53945 JB |
9461 | mode->hdisplay = (htot & 0xffff) + 1; |
9462 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
9463 | mode->hsync_start = (hsync & 0xffff) + 1; | |
9464 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
9465 | mode->vdisplay = (vtot & 0xffff) + 1; | |
9466 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
9467 | mode->vsync_start = (vsync & 0xffff) + 1; | |
9468 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
9469 | ||
9470 | drm_mode_set_name(mode); | |
79e53945 JB |
9471 | |
9472 | return mode; | |
9473 | } | |
9474 | ||
652c393a JB |
9475 | static void intel_decrease_pllclock(struct drm_crtc *crtc) |
9476 | { | |
9477 | struct drm_device *dev = crtc->dev; | |
fbee40df | 9478 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 9479 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
652c393a | 9480 | |
baff296c | 9481 | if (!HAS_GMCH_DISPLAY(dev)) |
652c393a JB |
9482 | return; |
9483 | ||
9484 | if (!dev_priv->lvds_downclock_avail) | |
9485 | return; | |
9486 | ||
9487 | /* | |
9488 | * Since this is called by a timer, we should never get here in | |
9489 | * the manual case. | |
9490 | */ | |
9491 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { | |
dc257cf1 DV |
9492 | int pipe = intel_crtc->pipe; |
9493 | int dpll_reg = DPLL(pipe); | |
9494 | int dpll; | |
f6e5b160 | 9495 | |
44d98a61 | 9496 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
652c393a | 9497 | |
8ac5a6d5 | 9498 | assert_panel_unlocked(dev_priv, pipe); |
652c393a | 9499 | |
dc257cf1 | 9500 | dpll = I915_READ(dpll_reg); |
652c393a JB |
9501 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
9502 | I915_WRITE(dpll_reg, dpll); | |
9d0498a2 | 9503 | intel_wait_for_vblank(dev, pipe); |
652c393a JB |
9504 | dpll = I915_READ(dpll_reg); |
9505 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) | |
44d98a61 | 9506 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
652c393a JB |
9507 | } |
9508 | ||
9509 | } | |
9510 | ||
f047e395 CW |
9511 | void intel_mark_busy(struct drm_device *dev) |
9512 | { | |
c67a470b PZ |
9513 | struct drm_i915_private *dev_priv = dev->dev_private; |
9514 | ||
f62a0076 CW |
9515 | if (dev_priv->mm.busy) |
9516 | return; | |
9517 | ||
43694d69 | 9518 | intel_runtime_pm_get(dev_priv); |
c67a470b | 9519 | i915_update_gfx_val(dev_priv); |
43cf3bf0 CW |
9520 | if (INTEL_INFO(dev)->gen >= 6) |
9521 | gen6_rps_busy(dev_priv); | |
f62a0076 | 9522 | dev_priv->mm.busy = true; |
f047e395 CW |
9523 | } |
9524 | ||
9525 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 9526 | { |
c67a470b | 9527 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 9528 | struct drm_crtc *crtc; |
652c393a | 9529 | |
f62a0076 CW |
9530 | if (!dev_priv->mm.busy) |
9531 | return; | |
9532 | ||
9533 | dev_priv->mm.busy = false; | |
9534 | ||
70e1e0ec | 9535 | for_each_crtc(dev, crtc) { |
f4510a27 | 9536 | if (!crtc->primary->fb) |
652c393a JB |
9537 | continue; |
9538 | ||
725a5b54 | 9539 | intel_decrease_pllclock(crtc); |
652c393a | 9540 | } |
b29c19b6 | 9541 | |
3d13ef2e | 9542 | if (INTEL_INFO(dev)->gen >= 6) |
b29c19b6 | 9543 | gen6_rps_idle(dev->dev_private); |
bb4cdd53 | 9544 | |
43694d69 | 9545 | intel_runtime_pm_put(dev_priv); |
652c393a JB |
9546 | } |
9547 | ||
f5de6e07 ACO |
9548 | static void intel_crtc_set_state(struct intel_crtc *crtc, |
9549 | struct intel_crtc_state *crtc_state) | |
9550 | { | |
9551 | kfree(crtc->config); | |
9552 | crtc->config = crtc_state; | |
16f3f658 | 9553 | crtc->base.state = &crtc_state->base; |
f5de6e07 ACO |
9554 | } |
9555 | ||
79e53945 JB |
9556 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
9557 | { | |
9558 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
9559 | struct drm_device *dev = crtc->dev; |
9560 | struct intel_unpin_work *work; | |
67e77c5a | 9561 | |
5e2d7afc | 9562 | spin_lock_irq(&dev->event_lock); |
67e77c5a DV |
9563 | work = intel_crtc->unpin_work; |
9564 | intel_crtc->unpin_work = NULL; | |
5e2d7afc | 9565 | spin_unlock_irq(&dev->event_lock); |
67e77c5a DV |
9566 | |
9567 | if (work) { | |
9568 | cancel_work_sync(&work->work); | |
9569 | kfree(work); | |
9570 | } | |
79e53945 | 9571 | |
f5de6e07 | 9572 | intel_crtc_set_state(intel_crtc, NULL); |
79e53945 | 9573 | drm_crtc_cleanup(crtc); |
67e77c5a | 9574 | |
79e53945 JB |
9575 | kfree(intel_crtc); |
9576 | } | |
9577 | ||
6b95a207 KH |
9578 | static void intel_unpin_work_fn(struct work_struct *__work) |
9579 | { | |
9580 | struct intel_unpin_work *work = | |
9581 | container_of(__work, struct intel_unpin_work, work); | |
b4a98e57 | 9582 | struct drm_device *dev = work->crtc->dev; |
f99d7069 | 9583 | enum pipe pipe = to_intel_crtc(work->crtc)->pipe; |
6b95a207 | 9584 | |
b4a98e57 | 9585 | mutex_lock(&dev->struct_mutex); |
82bc3b2d | 9586 | intel_unpin_fb_obj(work->old_fb, work->crtc->primary->state); |
05394f39 | 9587 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
d9e86c0e | 9588 | |
7ff0ebcc | 9589 | intel_fbc_update(dev); |
f06cc1b9 JH |
9590 | |
9591 | if (work->flip_queued_req) | |
146d84f0 | 9592 | i915_gem_request_assign(&work->flip_queued_req, NULL); |
b4a98e57 CW |
9593 | mutex_unlock(&dev->struct_mutex); |
9594 | ||
f99d7069 | 9595 | intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
89ed88ba | 9596 | drm_framebuffer_unreference(work->old_fb); |
f99d7069 | 9597 | |
b4a98e57 CW |
9598 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); |
9599 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); | |
9600 | ||
6b95a207 KH |
9601 | kfree(work); |
9602 | } | |
9603 | ||
1afe3e9d | 9604 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 9605 | struct drm_crtc *crtc) |
6b95a207 | 9606 | { |
6b95a207 KH |
9607 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
9608 | struct intel_unpin_work *work; | |
6b95a207 KH |
9609 | unsigned long flags; |
9610 | ||
9611 | /* Ignore early vblank irqs */ | |
9612 | if (intel_crtc == NULL) | |
9613 | return; | |
9614 | ||
f326038a DV |
9615 | /* |
9616 | * This is called both by irq handlers and the reset code (to complete | |
9617 | * lost pageflips) so needs the full irqsave spinlocks. | |
9618 | */ | |
6b95a207 KH |
9619 | spin_lock_irqsave(&dev->event_lock, flags); |
9620 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
9621 | |
9622 | /* Ensure we don't miss a work->pending update ... */ | |
9623 | smp_rmb(); | |
9624 | ||
9625 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
9626 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9627 | return; | |
9628 | } | |
9629 | ||
d6bbafa1 | 9630 | page_flip_completed(intel_crtc); |
0af7e4df | 9631 | |
6b95a207 | 9632 | spin_unlock_irqrestore(&dev->event_lock, flags); |
6b95a207 KH |
9633 | } |
9634 | ||
1afe3e9d JB |
9635 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
9636 | { | |
fbee40df | 9637 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
9638 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
9639 | ||
49b14a5c | 9640 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
9641 | } |
9642 | ||
9643 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
9644 | { | |
fbee40df | 9645 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
9646 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
9647 | ||
49b14a5c | 9648 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
9649 | } |
9650 | ||
75f7f3ec VS |
9651 | /* Is 'a' after or equal to 'b'? */ |
9652 | static bool g4x_flip_count_after_eq(u32 a, u32 b) | |
9653 | { | |
9654 | return !((a - b) & 0x80000000); | |
9655 | } | |
9656 | ||
9657 | static bool page_flip_finished(struct intel_crtc *crtc) | |
9658 | { | |
9659 | struct drm_device *dev = crtc->base.dev; | |
9660 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9661 | ||
bdfa7542 VS |
9662 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
9663 | crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
9664 | return true; | |
9665 | ||
75f7f3ec VS |
9666 | /* |
9667 | * The relevant registers doen't exist on pre-ctg. | |
9668 | * As the flip done interrupt doesn't trigger for mmio | |
9669 | * flips on gmch platforms, a flip count check isn't | |
9670 | * really needed there. But since ctg has the registers, | |
9671 | * include it in the check anyway. | |
9672 | */ | |
9673 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) | |
9674 | return true; | |
9675 | ||
9676 | /* | |
9677 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips | |
9678 | * used the same base address. In that case the mmio flip might | |
9679 | * have completed, but the CS hasn't even executed the flip yet. | |
9680 | * | |
9681 | * A flip count check isn't enough as the CS might have updated | |
9682 | * the base address just after start of vblank, but before we | |
9683 | * managed to process the interrupt. This means we'd complete the | |
9684 | * CS flip too soon. | |
9685 | * | |
9686 | * Combining both checks should get us a good enough result. It may | |
9687 | * still happen that the CS flip has been executed, but has not | |
9688 | * yet actually completed. But in case the base address is the same | |
9689 | * anyway, we don't really care. | |
9690 | */ | |
9691 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == | |
9692 | crtc->unpin_work->gtt_offset && | |
9693 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_GM45(crtc->pipe)), | |
9694 | crtc->unpin_work->flip_count); | |
9695 | } | |
9696 | ||
6b95a207 KH |
9697 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
9698 | { | |
fbee40df | 9699 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
9700 | struct intel_crtc *intel_crtc = |
9701 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
9702 | unsigned long flags; | |
9703 | ||
f326038a DV |
9704 | |
9705 | /* | |
9706 | * This is called both by irq handlers and the reset code (to complete | |
9707 | * lost pageflips) so needs the full irqsave spinlocks. | |
9708 | * | |
9709 | * NB: An MMIO update of the plane base pointer will also | |
e7d841ca CW |
9710 | * generate a page-flip completion irq, i.e. every modeset |
9711 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
9712 | */ | |
6b95a207 | 9713 | spin_lock_irqsave(&dev->event_lock, flags); |
75f7f3ec | 9714 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
e7d841ca | 9715 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
6b95a207 KH |
9716 | spin_unlock_irqrestore(&dev->event_lock, flags); |
9717 | } | |
9718 | ||
eba905b2 | 9719 | static inline void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
e7d841ca CW |
9720 | { |
9721 | /* Ensure that the work item is consistent when activating it ... */ | |
9722 | smp_wmb(); | |
9723 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); | |
9724 | /* and that it is marked active as soon as the irq could fire. */ | |
9725 | smp_wmb(); | |
9726 | } | |
9727 | ||
8c9f3aaf JB |
9728 | static int intel_gen2_queue_flip(struct drm_device *dev, |
9729 | struct drm_crtc *crtc, | |
9730 | struct drm_framebuffer *fb, | |
ed8d1975 | 9731 | struct drm_i915_gem_object *obj, |
a4872ba6 | 9732 | struct intel_engine_cs *ring, |
ed8d1975 | 9733 | uint32_t flags) |
8c9f3aaf | 9734 | { |
8c9f3aaf | 9735 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
9736 | u32 flip_mask; |
9737 | int ret; | |
9738 | ||
6d90c952 | 9739 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 9740 | if (ret) |
4fa62c89 | 9741 | return ret; |
8c9f3aaf JB |
9742 | |
9743 | /* Can't queue multiple flips, so wait for the previous | |
9744 | * one to finish before executing the next. | |
9745 | */ | |
9746 | if (intel_crtc->plane) | |
9747 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
9748 | else | |
9749 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
9750 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
9751 | intel_ring_emit(ring, MI_NOOP); | |
9752 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
9753 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
9754 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 9755 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 | 9756 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca CW |
9757 | |
9758 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 9759 | __intel_ring_advance(ring); |
83d4092b | 9760 | return 0; |
8c9f3aaf JB |
9761 | } |
9762 | ||
9763 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
9764 | struct drm_crtc *crtc, | |
9765 | struct drm_framebuffer *fb, | |
ed8d1975 | 9766 | struct drm_i915_gem_object *obj, |
a4872ba6 | 9767 | struct intel_engine_cs *ring, |
ed8d1975 | 9768 | uint32_t flags) |
8c9f3aaf | 9769 | { |
8c9f3aaf | 9770 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
9771 | u32 flip_mask; |
9772 | int ret; | |
9773 | ||
6d90c952 | 9774 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 9775 | if (ret) |
4fa62c89 | 9776 | return ret; |
8c9f3aaf JB |
9777 | |
9778 | if (intel_crtc->plane) | |
9779 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
9780 | else | |
9781 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
9782 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
9783 | intel_ring_emit(ring, MI_NOOP); | |
9784 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
9785 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
9786 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 9787 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 DV |
9788 | intel_ring_emit(ring, MI_NOOP); |
9789 | ||
e7d841ca | 9790 | intel_mark_page_flip_active(intel_crtc); |
09246732 | 9791 | __intel_ring_advance(ring); |
83d4092b | 9792 | return 0; |
8c9f3aaf JB |
9793 | } |
9794 | ||
9795 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
9796 | struct drm_crtc *crtc, | |
9797 | struct drm_framebuffer *fb, | |
ed8d1975 | 9798 | struct drm_i915_gem_object *obj, |
a4872ba6 | 9799 | struct intel_engine_cs *ring, |
ed8d1975 | 9800 | uint32_t flags) |
8c9f3aaf JB |
9801 | { |
9802 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9803 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9804 | uint32_t pf, pipesrc; | |
9805 | int ret; | |
9806 | ||
6d90c952 | 9807 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 9808 | if (ret) |
4fa62c89 | 9809 | return ret; |
8c9f3aaf JB |
9810 | |
9811 | /* i965+ uses the linear or tiled offsets from the | |
9812 | * Display Registers (which do not change across a page-flip) | |
9813 | * so we need only reprogram the base address. | |
9814 | */ | |
6d90c952 DV |
9815 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9816 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
9817 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 9818 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
c2c75131 | 9819 | obj->tiling_mode); |
8c9f3aaf JB |
9820 | |
9821 | /* XXX Enabling the panel-fitter across page-flip is so far | |
9822 | * untested on non-native modes, so ignore it for now. | |
9823 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
9824 | */ | |
9825 | pf = 0; | |
9826 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 9827 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
9828 | |
9829 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 9830 | __intel_ring_advance(ring); |
83d4092b | 9831 | return 0; |
8c9f3aaf JB |
9832 | } |
9833 | ||
9834 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
9835 | struct drm_crtc *crtc, | |
9836 | struct drm_framebuffer *fb, | |
ed8d1975 | 9837 | struct drm_i915_gem_object *obj, |
a4872ba6 | 9838 | struct intel_engine_cs *ring, |
ed8d1975 | 9839 | uint32_t flags) |
8c9f3aaf JB |
9840 | { |
9841 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9842 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9843 | uint32_t pf, pipesrc; | |
9844 | int ret; | |
9845 | ||
6d90c952 | 9846 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 9847 | if (ret) |
4fa62c89 | 9848 | return ret; |
8c9f3aaf | 9849 | |
6d90c952 DV |
9850 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
9851 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
9852 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
75f7f3ec | 9853 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
8c9f3aaf | 9854 | |
dc257cf1 DV |
9855 | /* Contrary to the suggestions in the documentation, |
9856 | * "Enable Panel Fitter" does not seem to be required when page | |
9857 | * flipping with a non-native mode, and worse causes a normal | |
9858 | * modeset to fail. | |
9859 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
9860 | */ | |
9861 | pf = 0; | |
8c9f3aaf | 9862 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 9863 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
9864 | |
9865 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 9866 | __intel_ring_advance(ring); |
83d4092b | 9867 | return 0; |
8c9f3aaf JB |
9868 | } |
9869 | ||
7c9017e5 JB |
9870 | static int intel_gen7_queue_flip(struct drm_device *dev, |
9871 | struct drm_crtc *crtc, | |
9872 | struct drm_framebuffer *fb, | |
ed8d1975 | 9873 | struct drm_i915_gem_object *obj, |
a4872ba6 | 9874 | struct intel_engine_cs *ring, |
ed8d1975 | 9875 | uint32_t flags) |
7c9017e5 | 9876 | { |
7c9017e5 | 9877 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cb05d8de | 9878 | uint32_t plane_bit = 0; |
ffe74d75 CW |
9879 | int len, ret; |
9880 | ||
eba905b2 | 9881 | switch (intel_crtc->plane) { |
cb05d8de DV |
9882 | case PLANE_A: |
9883 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
9884 | break; | |
9885 | case PLANE_B: | |
9886 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
9887 | break; | |
9888 | case PLANE_C: | |
9889 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
9890 | break; | |
9891 | default: | |
9892 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
4fa62c89 | 9893 | return -ENODEV; |
cb05d8de DV |
9894 | } |
9895 | ||
ffe74d75 | 9896 | len = 4; |
f476828a | 9897 | if (ring->id == RCS) { |
ffe74d75 | 9898 | len += 6; |
f476828a DL |
9899 | /* |
9900 | * On Gen 8, SRM is now taking an extra dword to accommodate | |
9901 | * 48bits addresses, and we need a NOOP for the batch size to | |
9902 | * stay even. | |
9903 | */ | |
9904 | if (IS_GEN8(dev)) | |
9905 | len += 2; | |
9906 | } | |
ffe74d75 | 9907 | |
f66fab8e VS |
9908 | /* |
9909 | * BSpec MI_DISPLAY_FLIP for IVB: | |
9910 | * "The full packet must be contained within the same cache line." | |
9911 | * | |
9912 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
9913 | * cacheline, if we ever start emitting more commands before | |
9914 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
9915 | * then do the cacheline alignment, and finally emit the | |
9916 | * MI_DISPLAY_FLIP. | |
9917 | */ | |
9918 | ret = intel_ring_cacheline_align(ring); | |
9919 | if (ret) | |
4fa62c89 | 9920 | return ret; |
f66fab8e | 9921 | |
ffe74d75 | 9922 | ret = intel_ring_begin(ring, len); |
7c9017e5 | 9923 | if (ret) |
4fa62c89 | 9924 | return ret; |
7c9017e5 | 9925 | |
ffe74d75 CW |
9926 | /* Unmask the flip-done completion message. Note that the bspec says that |
9927 | * we should do this for both the BCS and RCS, and that we must not unmask | |
9928 | * more than one flip event at any time (or ensure that one flip message | |
9929 | * can be sent by waiting for flip-done prior to queueing new flips). | |
9930 | * Experimentation says that BCS works despite DERRMR masking all | |
9931 | * flip-done completion events and that unmasking all planes at once | |
9932 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
9933 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
9934 | */ | |
9935 | if (ring->id == RCS) { | |
9936 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
9937 | intel_ring_emit(ring, DERRMR); | |
9938 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | | |
9939 | DERRMR_PIPEB_PRI_FLIP_DONE | | |
9940 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
f476828a DL |
9941 | if (IS_GEN8(dev)) |
9942 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8(1) | | |
9943 | MI_SRM_LRM_GLOBAL_GTT); | |
9944 | else | |
9945 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | | |
9946 | MI_SRM_LRM_GLOBAL_GTT); | |
ffe74d75 CW |
9947 | intel_ring_emit(ring, DERRMR); |
9948 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); | |
f476828a DL |
9949 | if (IS_GEN8(dev)) { |
9950 | intel_ring_emit(ring, 0); | |
9951 | intel_ring_emit(ring, MI_NOOP); | |
9952 | } | |
ffe74d75 CW |
9953 | } |
9954 | ||
cb05d8de | 9955 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 9956 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
75f7f3ec | 9957 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
7c9017e5 | 9958 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca CW |
9959 | |
9960 | intel_mark_page_flip_active(intel_crtc); | |
09246732 | 9961 | __intel_ring_advance(ring); |
83d4092b | 9962 | return 0; |
7c9017e5 JB |
9963 | } |
9964 | ||
84c33a64 SG |
9965 | static bool use_mmio_flip(struct intel_engine_cs *ring, |
9966 | struct drm_i915_gem_object *obj) | |
9967 | { | |
9968 | /* | |
9969 | * This is not being used for older platforms, because | |
9970 | * non-availability of flip done interrupt forces us to use | |
9971 | * CS flips. Older platforms derive flip done using some clever | |
9972 | * tricks involving the flip_pending status bits and vblank irqs. | |
9973 | * So using MMIO flips there would disrupt this mechanism. | |
9974 | */ | |
9975 | ||
8e09bf83 CW |
9976 | if (ring == NULL) |
9977 | return true; | |
9978 | ||
84c33a64 SG |
9979 | if (INTEL_INFO(ring->dev)->gen < 5) |
9980 | return false; | |
9981 | ||
9982 | if (i915.use_mmio_flip < 0) | |
9983 | return false; | |
9984 | else if (i915.use_mmio_flip > 0) | |
9985 | return true; | |
14bf993e OM |
9986 | else if (i915.enable_execlists) |
9987 | return true; | |
84c33a64 | 9988 | else |
41c52415 | 9989 | return ring != i915_gem_request_get_ring(obj->last_read_req); |
84c33a64 SG |
9990 | } |
9991 | ||
ff944564 DL |
9992 | static void skl_do_mmio_flip(struct intel_crtc *intel_crtc) |
9993 | { | |
9994 | struct drm_device *dev = intel_crtc->base.dev; | |
9995 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9996 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; | |
9997 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
9998 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
9999 | const enum pipe pipe = intel_crtc->pipe; | |
10000 | u32 ctl, stride; | |
10001 | ||
10002 | ctl = I915_READ(PLANE_CTL(pipe, 0)); | |
10003 | ctl &= ~PLANE_CTL_TILED_MASK; | |
10004 | if (obj->tiling_mode == I915_TILING_X) | |
10005 | ctl |= PLANE_CTL_TILED_X; | |
10006 | ||
10007 | /* | |
10008 | * The stride is either expressed as a multiple of 64 bytes chunks for | |
10009 | * linear buffers or in number of tiles for tiled buffers. | |
10010 | */ | |
10011 | stride = fb->pitches[0] >> 6; | |
10012 | if (obj->tiling_mode == I915_TILING_X) | |
10013 | stride = fb->pitches[0] >> 9; /* X tiles are 512 bytes wide */ | |
10014 | ||
10015 | /* | |
10016 | * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on | |
10017 | * PLANE_SURF updates, the update is then guaranteed to be atomic. | |
10018 | */ | |
10019 | I915_WRITE(PLANE_CTL(pipe, 0), ctl); | |
10020 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
10021 | ||
10022 | I915_WRITE(PLANE_SURF(pipe, 0), intel_crtc->unpin_work->gtt_offset); | |
10023 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
10024 | } | |
10025 | ||
10026 | static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc) | |
84c33a64 SG |
10027 | { |
10028 | struct drm_device *dev = intel_crtc->base.dev; | |
10029 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10030 | struct intel_framebuffer *intel_fb = | |
10031 | to_intel_framebuffer(intel_crtc->base.primary->fb); | |
10032 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
10033 | u32 dspcntr; | |
10034 | u32 reg; | |
10035 | ||
84c33a64 SG |
10036 | reg = DSPCNTR(intel_crtc->plane); |
10037 | dspcntr = I915_READ(reg); | |
10038 | ||
c5d97472 DL |
10039 | if (obj->tiling_mode != I915_TILING_NONE) |
10040 | dspcntr |= DISPPLANE_TILED; | |
10041 | else | |
10042 | dspcntr &= ~DISPPLANE_TILED; | |
10043 | ||
84c33a64 SG |
10044 | I915_WRITE(reg, dspcntr); |
10045 | ||
10046 | I915_WRITE(DSPSURF(intel_crtc->plane), | |
10047 | intel_crtc->unpin_work->gtt_offset); | |
10048 | POSTING_READ(DSPSURF(intel_crtc->plane)); | |
84c33a64 | 10049 | |
ff944564 DL |
10050 | } |
10051 | ||
10052 | /* | |
10053 | * XXX: This is the temporary way to update the plane registers until we get | |
10054 | * around to using the usual plane update functions for MMIO flips | |
10055 | */ | |
10056 | static void intel_do_mmio_flip(struct intel_crtc *intel_crtc) | |
10057 | { | |
10058 | struct drm_device *dev = intel_crtc->base.dev; | |
10059 | bool atomic_update; | |
10060 | u32 start_vbl_count; | |
10061 | ||
10062 | intel_mark_page_flip_active(intel_crtc); | |
10063 | ||
10064 | atomic_update = intel_pipe_update_start(intel_crtc, &start_vbl_count); | |
10065 | ||
10066 | if (INTEL_INFO(dev)->gen >= 9) | |
10067 | skl_do_mmio_flip(intel_crtc); | |
10068 | else | |
10069 | /* use_mmio_flip() retricts MMIO flips to ilk+ */ | |
10070 | ilk_do_mmio_flip(intel_crtc); | |
10071 | ||
9362c7c5 ACO |
10072 | if (atomic_update) |
10073 | intel_pipe_update_end(intel_crtc, start_vbl_count); | |
84c33a64 SG |
10074 | } |
10075 | ||
9362c7c5 | 10076 | static void intel_mmio_flip_work_func(struct work_struct *work) |
84c33a64 | 10077 | { |
cc8c4cc2 | 10078 | struct intel_crtc *crtc = |
9362c7c5 | 10079 | container_of(work, struct intel_crtc, mmio_flip.work); |
cc8c4cc2 | 10080 | struct intel_mmio_flip *mmio_flip; |
84c33a64 | 10081 | |
cc8c4cc2 JH |
10082 | mmio_flip = &crtc->mmio_flip; |
10083 | if (mmio_flip->req) | |
9c654818 JH |
10084 | WARN_ON(__i915_wait_request(mmio_flip->req, |
10085 | crtc->reset_counter, | |
10086 | false, NULL, NULL) != 0); | |
84c33a64 | 10087 | |
cc8c4cc2 JH |
10088 | intel_do_mmio_flip(crtc); |
10089 | if (mmio_flip->req) { | |
10090 | mutex_lock(&crtc->base.dev->struct_mutex); | |
146d84f0 | 10091 | i915_gem_request_assign(&mmio_flip->req, NULL); |
cc8c4cc2 JH |
10092 | mutex_unlock(&crtc->base.dev->struct_mutex); |
10093 | } | |
84c33a64 SG |
10094 | } |
10095 | ||
10096 | static int intel_queue_mmio_flip(struct drm_device *dev, | |
10097 | struct drm_crtc *crtc, | |
10098 | struct drm_framebuffer *fb, | |
10099 | struct drm_i915_gem_object *obj, | |
10100 | struct intel_engine_cs *ring, | |
10101 | uint32_t flags) | |
10102 | { | |
84c33a64 | 10103 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
84c33a64 | 10104 | |
cc8c4cc2 JH |
10105 | i915_gem_request_assign(&intel_crtc->mmio_flip.req, |
10106 | obj->last_write_req); | |
536f5b5e ACO |
10107 | |
10108 | schedule_work(&intel_crtc->mmio_flip.work); | |
84c33a64 | 10109 | |
84c33a64 SG |
10110 | return 0; |
10111 | } | |
10112 | ||
8c9f3aaf JB |
10113 | static int intel_default_queue_flip(struct drm_device *dev, |
10114 | struct drm_crtc *crtc, | |
10115 | struct drm_framebuffer *fb, | |
ed8d1975 | 10116 | struct drm_i915_gem_object *obj, |
a4872ba6 | 10117 | struct intel_engine_cs *ring, |
ed8d1975 | 10118 | uint32_t flags) |
8c9f3aaf JB |
10119 | { |
10120 | return -ENODEV; | |
10121 | } | |
10122 | ||
d6bbafa1 CW |
10123 | static bool __intel_pageflip_stall_check(struct drm_device *dev, |
10124 | struct drm_crtc *crtc) | |
10125 | { | |
10126 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10127 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10128 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
10129 | u32 addr; | |
10130 | ||
10131 | if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE) | |
10132 | return true; | |
10133 | ||
10134 | if (!work->enable_stall_check) | |
10135 | return false; | |
10136 | ||
10137 | if (work->flip_ready_vblank == 0) { | |
3a8a946e DV |
10138 | if (work->flip_queued_req && |
10139 | !i915_gem_request_completed(work->flip_queued_req, true)) | |
d6bbafa1 CW |
10140 | return false; |
10141 | ||
1e3feefd | 10142 | work->flip_ready_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 CW |
10143 | } |
10144 | ||
1e3feefd | 10145 | if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3) |
d6bbafa1 CW |
10146 | return false; |
10147 | ||
10148 | /* Potential stall - if we see that the flip has happened, | |
10149 | * assume a missed interrupt. */ | |
10150 | if (INTEL_INFO(dev)->gen >= 4) | |
10151 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); | |
10152 | else | |
10153 | addr = I915_READ(DSPADDR(intel_crtc->plane)); | |
10154 | ||
10155 | /* There is a potential issue here with a false positive after a flip | |
10156 | * to the same address. We could address this by checking for a | |
10157 | * non-incrementing frame counter. | |
10158 | */ | |
10159 | return addr == work->gtt_offset; | |
10160 | } | |
10161 | ||
10162 | void intel_check_page_flip(struct drm_device *dev, int pipe) | |
10163 | { | |
10164 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10165 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
10166 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
f326038a | 10167 | |
6c51d46f | 10168 | WARN_ON(!in_interrupt()); |
d6bbafa1 CW |
10169 | |
10170 | if (crtc == NULL) | |
10171 | return; | |
10172 | ||
f326038a | 10173 | spin_lock(&dev->event_lock); |
d6bbafa1 CW |
10174 | if (intel_crtc->unpin_work && __intel_pageflip_stall_check(dev, crtc)) { |
10175 | WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n", | |
1e3feefd DV |
10176 | intel_crtc->unpin_work->flip_queued_vblank, |
10177 | drm_vblank_count(dev, pipe)); | |
d6bbafa1 CW |
10178 | page_flip_completed(intel_crtc); |
10179 | } | |
f326038a | 10180 | spin_unlock(&dev->event_lock); |
d6bbafa1 CW |
10181 | } |
10182 | ||
6b95a207 KH |
10183 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
10184 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
10185 | struct drm_pending_vblank_event *event, |
10186 | uint32_t page_flip_flags) | |
6b95a207 KH |
10187 | { |
10188 | struct drm_device *dev = crtc->dev; | |
10189 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f4510a27 | 10190 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2ff8fde1 | 10191 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
6b95a207 | 10192 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
455a6808 | 10193 | struct drm_plane *primary = crtc->primary; |
a071fa00 | 10194 | enum pipe pipe = intel_crtc->pipe; |
6b95a207 | 10195 | struct intel_unpin_work *work; |
a4872ba6 | 10196 | struct intel_engine_cs *ring; |
52e68630 | 10197 | int ret; |
6b95a207 | 10198 | |
2ff8fde1 MR |
10199 | /* |
10200 | * drm_mode_page_flip_ioctl() should already catch this, but double | |
10201 | * check to be safe. In the future we may enable pageflipping from | |
10202 | * a disabled primary plane. | |
10203 | */ | |
10204 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) | |
10205 | return -EBUSY; | |
10206 | ||
e6a595d2 | 10207 | /* Can't change pixel format via MI display flips. */ |
f4510a27 | 10208 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
e6a595d2 VS |
10209 | return -EINVAL; |
10210 | ||
10211 | /* | |
10212 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
10213 | * Note that pitch changes could also affect these register. | |
10214 | */ | |
10215 | if (INTEL_INFO(dev)->gen > 3 && | |
f4510a27 MR |
10216 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
10217 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
e6a595d2 VS |
10218 | return -EINVAL; |
10219 | ||
f900db47 CW |
10220 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
10221 | goto out_hang; | |
10222 | ||
b14c5679 | 10223 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
6b95a207 KH |
10224 | if (work == NULL) |
10225 | return -ENOMEM; | |
10226 | ||
6b95a207 | 10227 | work->event = event; |
b4a98e57 | 10228 | work->crtc = crtc; |
ab8d6675 | 10229 | work->old_fb = old_fb; |
6b95a207 KH |
10230 | INIT_WORK(&work->work, intel_unpin_work_fn); |
10231 | ||
87b6b101 | 10232 | ret = drm_crtc_vblank_get(crtc); |
7317c75e JB |
10233 | if (ret) |
10234 | goto free_work; | |
10235 | ||
6b95a207 | 10236 | /* We borrow the event spin lock for protecting unpin_work */ |
5e2d7afc | 10237 | spin_lock_irq(&dev->event_lock); |
6b95a207 | 10238 | if (intel_crtc->unpin_work) { |
d6bbafa1 CW |
10239 | /* Before declaring the flip queue wedged, check if |
10240 | * the hardware completed the operation behind our backs. | |
10241 | */ | |
10242 | if (__intel_pageflip_stall_check(dev, crtc)) { | |
10243 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); | |
10244 | page_flip_completed(intel_crtc); | |
10245 | } else { | |
10246 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
5e2d7afc | 10247 | spin_unlock_irq(&dev->event_lock); |
468f0b44 | 10248 | |
d6bbafa1 CW |
10249 | drm_crtc_vblank_put(crtc); |
10250 | kfree(work); | |
10251 | return -EBUSY; | |
10252 | } | |
6b95a207 KH |
10253 | } |
10254 | intel_crtc->unpin_work = work; | |
5e2d7afc | 10255 | spin_unlock_irq(&dev->event_lock); |
6b95a207 | 10256 | |
b4a98e57 CW |
10257 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
10258 | flush_workqueue(dev_priv->wq); | |
10259 | ||
75dfca80 | 10260 | /* Reference the objects for the scheduled work. */ |
ab8d6675 | 10261 | drm_framebuffer_reference(work->old_fb); |
05394f39 | 10262 | drm_gem_object_reference(&obj->base); |
6b95a207 | 10263 | |
f4510a27 | 10264 | crtc->primary->fb = fb; |
afd65eb4 | 10265 | update_state_fb(crtc->primary); |
1ed1f968 | 10266 | |
e1f99ce6 | 10267 | work->pending_flip_obj = obj; |
e1f99ce6 | 10268 | |
89ed88ba CW |
10269 | ret = i915_mutex_lock_interruptible(dev); |
10270 | if (ret) | |
10271 | goto cleanup; | |
10272 | ||
b4a98e57 | 10273 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 10274 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 10275 | |
75f7f3ec | 10276 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
a071fa00 | 10277 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_GM45(pipe)) + 1; |
75f7f3ec | 10278 | |
4fa62c89 VS |
10279 | if (IS_VALLEYVIEW(dev)) { |
10280 | ring = &dev_priv->ring[BCS]; | |
ab8d6675 | 10281 | if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode) |
8e09bf83 CW |
10282 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
10283 | ring = NULL; | |
48bf5b2d | 10284 | } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
2a92d5bc | 10285 | ring = &dev_priv->ring[BCS]; |
4fa62c89 | 10286 | } else if (INTEL_INFO(dev)->gen >= 7) { |
41c52415 | 10287 | ring = i915_gem_request_get_ring(obj->last_read_req); |
4fa62c89 VS |
10288 | if (ring == NULL || ring->id != RCS) |
10289 | ring = &dev_priv->ring[BCS]; | |
10290 | } else { | |
10291 | ring = &dev_priv->ring[RCS]; | |
10292 | } | |
10293 | ||
82bc3b2d TU |
10294 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, |
10295 | crtc->primary->state, ring); | |
8c9f3aaf JB |
10296 | if (ret) |
10297 | goto cleanup_pending; | |
6b95a207 | 10298 | |
121920fa TU |
10299 | work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary), obj) |
10300 | + intel_crtc->dspaddr_offset; | |
4fa62c89 | 10301 | |
d6bbafa1 | 10302 | if (use_mmio_flip(ring, obj)) { |
84c33a64 SG |
10303 | ret = intel_queue_mmio_flip(dev, crtc, fb, obj, ring, |
10304 | page_flip_flags); | |
d6bbafa1 CW |
10305 | if (ret) |
10306 | goto cleanup_unpin; | |
10307 | ||
f06cc1b9 JH |
10308 | i915_gem_request_assign(&work->flip_queued_req, |
10309 | obj->last_write_req); | |
d6bbafa1 | 10310 | } else { |
84c33a64 | 10311 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring, |
d6bbafa1 CW |
10312 | page_flip_flags); |
10313 | if (ret) | |
10314 | goto cleanup_unpin; | |
10315 | ||
f06cc1b9 JH |
10316 | i915_gem_request_assign(&work->flip_queued_req, |
10317 | intel_ring_get_request(ring)); | |
d6bbafa1 CW |
10318 | } |
10319 | ||
1e3feefd | 10320 | work->flip_queued_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 | 10321 | work->enable_stall_check = true; |
4fa62c89 | 10322 | |
ab8d6675 | 10323 | i915_gem_track_fb(intel_fb_obj(work->old_fb), obj, |
a071fa00 DV |
10324 | INTEL_FRONTBUFFER_PRIMARY(pipe)); |
10325 | ||
7ff0ebcc | 10326 | intel_fbc_disable(dev); |
f99d7069 | 10327 | intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe)); |
6b95a207 KH |
10328 | mutex_unlock(&dev->struct_mutex); |
10329 | ||
e5510fac JB |
10330 | trace_i915_flip_request(intel_crtc->plane, obj); |
10331 | ||
6b95a207 | 10332 | return 0; |
96b099fd | 10333 | |
4fa62c89 | 10334 | cleanup_unpin: |
82bc3b2d | 10335 | intel_unpin_fb_obj(fb, crtc->primary->state); |
8c9f3aaf | 10336 | cleanup_pending: |
b4a98e57 | 10337 | atomic_dec(&intel_crtc->unpin_work_count); |
89ed88ba CW |
10338 | mutex_unlock(&dev->struct_mutex); |
10339 | cleanup: | |
f4510a27 | 10340 | crtc->primary->fb = old_fb; |
afd65eb4 | 10341 | update_state_fb(crtc->primary); |
89ed88ba CW |
10342 | |
10343 | drm_gem_object_unreference_unlocked(&obj->base); | |
ab8d6675 | 10344 | drm_framebuffer_unreference(work->old_fb); |
96b099fd | 10345 | |
5e2d7afc | 10346 | spin_lock_irq(&dev->event_lock); |
96b099fd | 10347 | intel_crtc->unpin_work = NULL; |
5e2d7afc | 10348 | spin_unlock_irq(&dev->event_lock); |
96b099fd | 10349 | |
87b6b101 | 10350 | drm_crtc_vblank_put(crtc); |
7317c75e | 10351 | free_work: |
96b099fd CW |
10352 | kfree(work); |
10353 | ||
f900db47 CW |
10354 | if (ret == -EIO) { |
10355 | out_hang: | |
53a366b9 | 10356 | ret = intel_plane_restore(primary); |
f0d3dad3 | 10357 | if (ret == 0 && event) { |
5e2d7afc | 10358 | spin_lock_irq(&dev->event_lock); |
a071fa00 | 10359 | drm_send_vblank_event(dev, pipe, event); |
5e2d7afc | 10360 | spin_unlock_irq(&dev->event_lock); |
f0d3dad3 | 10361 | } |
f900db47 | 10362 | } |
96b099fd | 10363 | return ret; |
6b95a207 KH |
10364 | } |
10365 | ||
f6e5b160 | 10366 | static struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
10367 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
10368 | .load_lut = intel_crtc_load_lut, | |
ea2c67bb MR |
10369 | .atomic_begin = intel_begin_crtc_commit, |
10370 | .atomic_flush = intel_finish_crtc_commit, | |
f6e5b160 CW |
10371 | }; |
10372 | ||
9a935856 DV |
10373 | /** |
10374 | * intel_modeset_update_staged_output_state | |
10375 | * | |
10376 | * Updates the staged output configuration state, e.g. after we've read out the | |
10377 | * current hw state. | |
10378 | */ | |
10379 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) | |
f6e5b160 | 10380 | { |
7668851f | 10381 | struct intel_crtc *crtc; |
9a935856 DV |
10382 | struct intel_encoder *encoder; |
10383 | struct intel_connector *connector; | |
f6e5b160 | 10384 | |
3a3371ff | 10385 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
10386 | connector->new_encoder = |
10387 | to_intel_encoder(connector->base.encoder); | |
10388 | } | |
f6e5b160 | 10389 | |
b2784e15 | 10390 | for_each_intel_encoder(dev, encoder) { |
9a935856 DV |
10391 | encoder->new_crtc = |
10392 | to_intel_crtc(encoder->base.crtc); | |
10393 | } | |
7668851f | 10394 | |
d3fcc808 | 10395 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 10396 | crtc->new_enabled = crtc->base.state->enable; |
7bd0a8e7 VS |
10397 | |
10398 | if (crtc->new_enabled) | |
6e3c9717 | 10399 | crtc->new_config = crtc->config; |
7bd0a8e7 VS |
10400 | else |
10401 | crtc->new_config = NULL; | |
7668851f | 10402 | } |
f6e5b160 CW |
10403 | } |
10404 | ||
d29b2f9d ACO |
10405 | /* Transitional helper to copy current connector/encoder state to |
10406 | * connector->state. This is needed so that code that is partially | |
10407 | * converted to atomic does the right thing. | |
10408 | */ | |
10409 | static void intel_modeset_update_connector_atomic_state(struct drm_device *dev) | |
10410 | { | |
10411 | struct intel_connector *connector; | |
10412 | ||
10413 | for_each_intel_connector(dev, connector) { | |
10414 | if (connector->base.encoder) { | |
10415 | connector->base.state->best_encoder = | |
10416 | connector->base.encoder; | |
10417 | connector->base.state->crtc = | |
10418 | connector->base.encoder->crtc; | |
10419 | } else { | |
10420 | connector->base.state->best_encoder = NULL; | |
10421 | connector->base.state->crtc = NULL; | |
10422 | } | |
10423 | } | |
10424 | } | |
10425 | ||
9a935856 DV |
10426 | /** |
10427 | * intel_modeset_commit_output_state | |
10428 | * | |
10429 | * This function copies the stage display pipe configuration to the real one. | |
10430 | */ | |
10431 | static void intel_modeset_commit_output_state(struct drm_device *dev) | |
10432 | { | |
7668851f | 10433 | struct intel_crtc *crtc; |
9a935856 DV |
10434 | struct intel_encoder *encoder; |
10435 | struct intel_connector *connector; | |
f6e5b160 | 10436 | |
3a3371ff | 10437 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
10438 | connector->base.encoder = &connector->new_encoder->base; |
10439 | } | |
f6e5b160 | 10440 | |
b2784e15 | 10441 | for_each_intel_encoder(dev, encoder) { |
9a935856 DV |
10442 | encoder->base.crtc = &encoder->new_crtc->base; |
10443 | } | |
7668851f | 10444 | |
d3fcc808 | 10445 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 10446 | crtc->base.state->enable = crtc->new_enabled; |
7668851f VS |
10447 | crtc->base.enabled = crtc->new_enabled; |
10448 | } | |
d29b2f9d ACO |
10449 | |
10450 | intel_modeset_update_connector_atomic_state(dev); | |
9a935856 DV |
10451 | } |
10452 | ||
050f7aeb | 10453 | static void |
eba905b2 | 10454 | connected_sink_compute_bpp(struct intel_connector *connector, |
5cec258b | 10455 | struct intel_crtc_state *pipe_config) |
050f7aeb DV |
10456 | { |
10457 | int bpp = pipe_config->pipe_bpp; | |
10458 | ||
10459 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
10460 | connector->base.base.id, | |
c23cc417 | 10461 | connector->base.name); |
050f7aeb DV |
10462 | |
10463 | /* Don't use an invalid EDID bpc value */ | |
10464 | if (connector->base.display_info.bpc && | |
10465 | connector->base.display_info.bpc * 3 < bpp) { | |
10466 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
10467 | bpp, connector->base.display_info.bpc*3); | |
10468 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
10469 | } | |
10470 | ||
10471 | /* Clamp bpp to 8 on screens without EDID 1.4 */ | |
10472 | if (connector->base.display_info.bpc == 0 && bpp > 24) { | |
10473 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
10474 | bpp); | |
10475 | pipe_config->pipe_bpp = 24; | |
10476 | } | |
10477 | } | |
10478 | ||
4e53c2e0 | 10479 | static int |
050f7aeb DV |
10480 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
10481 | struct drm_framebuffer *fb, | |
5cec258b | 10482 | struct intel_crtc_state *pipe_config) |
4e53c2e0 | 10483 | { |
050f7aeb | 10484 | struct drm_device *dev = crtc->base.dev; |
1486017f | 10485 | struct drm_atomic_state *state; |
050f7aeb | 10486 | struct intel_connector *connector; |
1486017f | 10487 | int bpp, i; |
4e53c2e0 | 10488 | |
d42264b1 DV |
10489 | switch (fb->pixel_format) { |
10490 | case DRM_FORMAT_C8: | |
4e53c2e0 DV |
10491 | bpp = 8*3; /* since we go through a colormap */ |
10492 | break; | |
d42264b1 DV |
10493 | case DRM_FORMAT_XRGB1555: |
10494 | case DRM_FORMAT_ARGB1555: | |
10495 | /* checked in intel_framebuffer_init already */ | |
10496 | if (WARN_ON(INTEL_INFO(dev)->gen > 3)) | |
10497 | return -EINVAL; | |
10498 | case DRM_FORMAT_RGB565: | |
4e53c2e0 DV |
10499 | bpp = 6*3; /* min is 18bpp */ |
10500 | break; | |
d42264b1 DV |
10501 | case DRM_FORMAT_XBGR8888: |
10502 | case DRM_FORMAT_ABGR8888: | |
10503 | /* checked in intel_framebuffer_init already */ | |
10504 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) | |
10505 | return -EINVAL; | |
10506 | case DRM_FORMAT_XRGB8888: | |
10507 | case DRM_FORMAT_ARGB8888: | |
4e53c2e0 DV |
10508 | bpp = 8*3; |
10509 | break; | |
d42264b1 DV |
10510 | case DRM_FORMAT_XRGB2101010: |
10511 | case DRM_FORMAT_ARGB2101010: | |
10512 | case DRM_FORMAT_XBGR2101010: | |
10513 | case DRM_FORMAT_ABGR2101010: | |
10514 | /* checked in intel_framebuffer_init already */ | |
10515 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) | |
baba133a | 10516 | return -EINVAL; |
4e53c2e0 DV |
10517 | bpp = 10*3; |
10518 | break; | |
baba133a | 10519 | /* TODO: gen4+ supports 16 bpc floating point, too. */ |
4e53c2e0 DV |
10520 | default: |
10521 | DRM_DEBUG_KMS("unsupported depth\n"); | |
10522 | return -EINVAL; | |
10523 | } | |
10524 | ||
4e53c2e0 DV |
10525 | pipe_config->pipe_bpp = bpp; |
10526 | ||
1486017f ACO |
10527 | state = pipe_config->base.state; |
10528 | ||
4e53c2e0 | 10529 | /* Clamp display bpp to EDID value */ |
1486017f ACO |
10530 | for (i = 0; i < state->num_connector; i++) { |
10531 | if (!state->connectors[i]) | |
10532 | continue; | |
10533 | ||
10534 | connector = to_intel_connector(state->connectors[i]); | |
10535 | if (state->connector_states[i]->crtc != &crtc->base) | |
4e53c2e0 DV |
10536 | continue; |
10537 | ||
050f7aeb | 10538 | connected_sink_compute_bpp(connector, pipe_config); |
4e53c2e0 DV |
10539 | } |
10540 | ||
10541 | return bpp; | |
10542 | } | |
10543 | ||
644db711 DV |
10544 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
10545 | { | |
10546 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
10547 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 10548 | mode->crtc_clock, |
644db711 DV |
10549 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
10550 | mode->crtc_hsync_end, mode->crtc_htotal, | |
10551 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
10552 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
10553 | } | |
10554 | ||
c0b03411 | 10555 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
5cec258b | 10556 | struct intel_crtc_state *pipe_config, |
c0b03411 DV |
10557 | const char *context) |
10558 | { | |
10559 | DRM_DEBUG_KMS("[CRTC:%d]%s config for pipe %c\n", crtc->base.base.id, | |
10560 | context, pipe_name(crtc->pipe)); | |
10561 | ||
10562 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); | |
10563 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", | |
10564 | pipe_config->pipe_bpp, pipe_config->dither); | |
10565 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
10566 | pipe_config->has_pch_encoder, | |
10567 | pipe_config->fdi_lanes, | |
10568 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
10569 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
10570 | pipe_config->fdi_m_n.tu); | |
eb14cb74 VS |
10571 | DRM_DEBUG_KMS("dp: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
10572 | pipe_config->has_dp_encoder, | |
10573 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, | |
10574 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
10575 | pipe_config->dp_m_n.tu); | |
b95af8be VK |
10576 | |
10577 | DRM_DEBUG_KMS("dp: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", | |
10578 | pipe_config->has_dp_encoder, | |
10579 | pipe_config->dp_m2_n2.gmch_m, | |
10580 | pipe_config->dp_m2_n2.gmch_n, | |
10581 | pipe_config->dp_m2_n2.link_m, | |
10582 | pipe_config->dp_m2_n2.link_n, | |
10583 | pipe_config->dp_m2_n2.tu); | |
10584 | ||
55072d19 DV |
10585 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
10586 | pipe_config->has_audio, | |
10587 | pipe_config->has_infoframe); | |
10588 | ||
c0b03411 | 10589 | DRM_DEBUG_KMS("requested mode:\n"); |
2d112de7 | 10590 | drm_mode_debug_printmodeline(&pipe_config->base.mode); |
c0b03411 | 10591 | DRM_DEBUG_KMS("adjusted mode:\n"); |
2d112de7 ACO |
10592 | drm_mode_debug_printmodeline(&pipe_config->base.adjusted_mode); |
10593 | intel_dump_crtc_timings(&pipe_config->base.adjusted_mode); | |
d71b8d4a | 10594 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
10595 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
10596 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
c0b03411 DV |
10597 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
10598 | pipe_config->gmch_pfit.control, | |
10599 | pipe_config->gmch_pfit.pgm_ratios, | |
10600 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 10601 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 10602 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
10603 | pipe_config->pch_pfit.size, |
10604 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 10605 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 10606 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
c0b03411 DV |
10607 | } |
10608 | ||
bc079e8b VS |
10609 | static bool encoders_cloneable(const struct intel_encoder *a, |
10610 | const struct intel_encoder *b) | |
accfc0c5 | 10611 | { |
bc079e8b VS |
10612 | /* masks could be asymmetric, so check both ways */ |
10613 | return a == b || (a->cloneable & (1 << b->type) && | |
10614 | b->cloneable & (1 << a->type)); | |
10615 | } | |
10616 | ||
10617 | static bool check_single_encoder_cloning(struct intel_crtc *crtc, | |
10618 | struct intel_encoder *encoder) | |
10619 | { | |
10620 | struct drm_device *dev = crtc->base.dev; | |
10621 | struct intel_encoder *source_encoder; | |
10622 | ||
b2784e15 | 10623 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b VS |
10624 | if (source_encoder->new_crtc != crtc) |
10625 | continue; | |
10626 | ||
10627 | if (!encoders_cloneable(encoder, source_encoder)) | |
10628 | return false; | |
10629 | } | |
10630 | ||
10631 | return true; | |
10632 | } | |
10633 | ||
10634 | static bool check_encoder_cloning(struct intel_crtc *crtc) | |
10635 | { | |
10636 | struct drm_device *dev = crtc->base.dev; | |
accfc0c5 DV |
10637 | struct intel_encoder *encoder; |
10638 | ||
b2784e15 | 10639 | for_each_intel_encoder(dev, encoder) { |
bc079e8b | 10640 | if (encoder->new_crtc != crtc) |
accfc0c5 DV |
10641 | continue; |
10642 | ||
bc079e8b VS |
10643 | if (!check_single_encoder_cloning(crtc, encoder)) |
10644 | return false; | |
accfc0c5 DV |
10645 | } |
10646 | ||
bc079e8b | 10647 | return true; |
accfc0c5 DV |
10648 | } |
10649 | ||
00f0b378 VS |
10650 | static bool check_digital_port_conflicts(struct drm_device *dev) |
10651 | { | |
10652 | struct intel_connector *connector; | |
10653 | unsigned int used_ports = 0; | |
10654 | ||
10655 | /* | |
10656 | * Walk the connector list instead of the encoder | |
10657 | * list to detect the problem on ddi platforms | |
10658 | * where there's just one encoder per digital port. | |
10659 | */ | |
3a3371ff | 10660 | for_each_intel_connector(dev, connector) { |
00f0b378 VS |
10661 | struct intel_encoder *encoder = connector->new_encoder; |
10662 | ||
10663 | if (!encoder) | |
10664 | continue; | |
10665 | ||
10666 | WARN_ON(!encoder->new_crtc); | |
10667 | ||
10668 | switch (encoder->type) { | |
10669 | unsigned int port_mask; | |
10670 | case INTEL_OUTPUT_UNKNOWN: | |
10671 | if (WARN_ON(!HAS_DDI(dev))) | |
10672 | break; | |
10673 | case INTEL_OUTPUT_DISPLAYPORT: | |
10674 | case INTEL_OUTPUT_HDMI: | |
10675 | case INTEL_OUTPUT_EDP: | |
10676 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; | |
10677 | ||
10678 | /* the same port mustn't appear more than once */ | |
10679 | if (used_ports & port_mask) | |
10680 | return false; | |
10681 | ||
10682 | used_ports |= port_mask; | |
10683 | default: | |
10684 | break; | |
10685 | } | |
10686 | } | |
10687 | ||
10688 | return true; | |
10689 | } | |
10690 | ||
83a57153 ACO |
10691 | static void |
10692 | clear_intel_crtc_state(struct intel_crtc_state *crtc_state) | |
10693 | { | |
10694 | struct drm_crtc_state tmp_state; | |
10695 | ||
10696 | /* Clear only the intel specific part of the crtc state */ | |
10697 | tmp_state = crtc_state->base; | |
10698 | memset(crtc_state, 0, sizeof *crtc_state); | |
10699 | crtc_state->base = tmp_state; | |
10700 | } | |
10701 | ||
5cec258b | 10702 | static struct intel_crtc_state * |
b8cecdf5 | 10703 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
4e53c2e0 | 10704 | struct drm_framebuffer *fb, |
83a57153 ACO |
10705 | struct drm_display_mode *mode, |
10706 | struct drm_atomic_state *state) | |
ee7b9f93 | 10707 | { |
7758a113 | 10708 | struct drm_device *dev = crtc->dev; |
7758a113 | 10709 | struct intel_encoder *encoder; |
0b901879 ACO |
10710 | struct intel_connector *connector; |
10711 | struct drm_connector_state *connector_state; | |
5cec258b | 10712 | struct intel_crtc_state *pipe_config; |
e29c22c0 | 10713 | int plane_bpp, ret = -EINVAL; |
0b901879 | 10714 | int i; |
e29c22c0 | 10715 | bool retry = true; |
ee7b9f93 | 10716 | |
bc079e8b | 10717 | if (!check_encoder_cloning(to_intel_crtc(crtc))) { |
accfc0c5 DV |
10718 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); |
10719 | return ERR_PTR(-EINVAL); | |
10720 | } | |
10721 | ||
00f0b378 VS |
10722 | if (!check_digital_port_conflicts(dev)) { |
10723 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); | |
10724 | return ERR_PTR(-EINVAL); | |
10725 | } | |
10726 | ||
83a57153 ACO |
10727 | pipe_config = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc)); |
10728 | if (IS_ERR(pipe_config)) | |
10729 | return pipe_config; | |
10730 | ||
10731 | clear_intel_crtc_state(pipe_config); | |
7758a113 | 10732 | |
07878248 | 10733 | pipe_config->base.crtc = crtc; |
2d112de7 ACO |
10734 | drm_mode_copy(&pipe_config->base.adjusted_mode, mode); |
10735 | drm_mode_copy(&pipe_config->base.mode, mode); | |
37327abd | 10736 | |
e143a21c DV |
10737 | pipe_config->cpu_transcoder = |
10738 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
c0d43d62 | 10739 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
b8cecdf5 | 10740 | |
2960bc9c ID |
10741 | /* |
10742 | * Sanitize sync polarity flags based on requested ones. If neither | |
10743 | * positive or negative polarity is requested, treat this as meaning | |
10744 | * negative polarity. | |
10745 | */ | |
2d112de7 | 10746 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 10747 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
2d112de7 | 10748 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
2960bc9c | 10749 | |
2d112de7 | 10750 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 10751 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
2d112de7 | 10752 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
2960bc9c | 10753 | |
050f7aeb DV |
10754 | /* Compute a starting value for pipe_config->pipe_bpp taking the source |
10755 | * plane pixel format and any sink constraints into account. Returns the | |
10756 | * source plane bpp so that dithering can be selected on mismatches | |
10757 | * after encoders and crtc also have had their say. */ | |
10758 | plane_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), | |
10759 | fb, pipe_config); | |
4e53c2e0 DV |
10760 | if (plane_bpp < 0) |
10761 | goto fail; | |
10762 | ||
e41a56be VS |
10763 | /* |
10764 | * Determine the real pipe dimensions. Note that stereo modes can | |
10765 | * increase the actual pipe size due to the frame doubling and | |
10766 | * insertion of additional space for blanks between the frame. This | |
10767 | * is stored in the crtc timings. We use the requested mode to do this | |
10768 | * computation to clearly distinguish it from the adjusted mode, which | |
10769 | * can be changed by the connectors in the below retry loop. | |
10770 | */ | |
2d112de7 | 10771 | drm_crtc_get_hv_timing(&pipe_config->base.mode, |
ecb7e16b GP |
10772 | &pipe_config->pipe_src_w, |
10773 | &pipe_config->pipe_src_h); | |
e41a56be | 10774 | |
e29c22c0 | 10775 | encoder_retry: |
ef1b460d | 10776 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 10777 | pipe_config->port_clock = 0; |
ef1b460d | 10778 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 10779 | |
135c81b8 | 10780 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
2d112de7 ACO |
10781 | drm_mode_set_crtcinfo(&pipe_config->base.adjusted_mode, |
10782 | CRTC_STEREO_DOUBLE); | |
135c81b8 | 10783 | |
7758a113 DV |
10784 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
10785 | * adjust it according to limitations or connector properties, and also | |
10786 | * a chance to reject the mode entirely. | |
47f1c6c9 | 10787 | */ |
0b901879 ACO |
10788 | for (i = 0; i < state->num_connector; i++) { |
10789 | connector = to_intel_connector(state->connectors[i]); | |
10790 | if (!connector) | |
10791 | continue; | |
47f1c6c9 | 10792 | |
0b901879 ACO |
10793 | connector_state = state->connector_states[i]; |
10794 | if (connector_state->crtc != crtc) | |
7758a113 | 10795 | continue; |
7ae89233 | 10796 | |
0b901879 ACO |
10797 | encoder = to_intel_encoder(connector_state->best_encoder); |
10798 | ||
efea6e8e DV |
10799 | if (!(encoder->compute_config(encoder, pipe_config))) { |
10800 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7758a113 DV |
10801 | goto fail; |
10802 | } | |
ee7b9f93 | 10803 | } |
47f1c6c9 | 10804 | |
ff9a6750 DV |
10805 | /* Set default port clock if not overwritten by the encoder. Needs to be |
10806 | * done afterwards in case the encoder adjusts the mode. */ | |
10807 | if (!pipe_config->port_clock) | |
2d112de7 | 10808 | pipe_config->port_clock = pipe_config->base.adjusted_mode.crtc_clock |
241bfc38 | 10809 | * pipe_config->pixel_multiplier; |
ff9a6750 | 10810 | |
a43f6e0f | 10811 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 10812 | if (ret < 0) { |
7758a113 DV |
10813 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
10814 | goto fail; | |
ee7b9f93 | 10815 | } |
e29c22c0 DV |
10816 | |
10817 | if (ret == RETRY) { | |
10818 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
10819 | ret = -EINVAL; | |
10820 | goto fail; | |
10821 | } | |
10822 | ||
10823 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
10824 | retry = false; | |
10825 | goto encoder_retry; | |
10826 | } | |
10827 | ||
4e53c2e0 DV |
10828 | pipe_config->dither = pipe_config->pipe_bpp != plane_bpp; |
10829 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", | |
10830 | plane_bpp, pipe_config->pipe_bpp, pipe_config->dither); | |
10831 | ||
b8cecdf5 | 10832 | return pipe_config; |
7758a113 | 10833 | fail: |
e29c22c0 | 10834 | return ERR_PTR(ret); |
ee7b9f93 | 10835 | } |
47f1c6c9 | 10836 | |
e2e1ed41 DV |
10837 | /* Computes which crtcs are affected and sets the relevant bits in the mask. For |
10838 | * simplicity we use the crtc's pipe number (because it's easier to obtain). */ | |
10839 | static void | |
10840 | intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, | |
10841 | unsigned *prepare_pipes, unsigned *disable_pipes) | |
79e53945 JB |
10842 | { |
10843 | struct intel_crtc *intel_crtc; | |
e2e1ed41 DV |
10844 | struct drm_device *dev = crtc->dev; |
10845 | struct intel_encoder *encoder; | |
10846 | struct intel_connector *connector; | |
10847 | struct drm_crtc *tmp_crtc; | |
79e53945 | 10848 | |
e2e1ed41 | 10849 | *disable_pipes = *modeset_pipes = *prepare_pipes = 0; |
79e53945 | 10850 | |
e2e1ed41 DV |
10851 | /* Check which crtcs have changed outputs connected to them, these need |
10852 | * to be part of the prepare_pipes mask. We don't (yet) support global | |
10853 | * modeset across multiple crtcs, so modeset_pipes will only have one | |
10854 | * bit set at most. */ | |
3a3371ff | 10855 | for_each_intel_connector(dev, connector) { |
e2e1ed41 DV |
10856 | if (connector->base.encoder == &connector->new_encoder->base) |
10857 | continue; | |
79e53945 | 10858 | |
e2e1ed41 DV |
10859 | if (connector->base.encoder) { |
10860 | tmp_crtc = connector->base.encoder->crtc; | |
10861 | ||
10862 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; | |
10863 | } | |
10864 | ||
10865 | if (connector->new_encoder) | |
10866 | *prepare_pipes |= | |
10867 | 1 << connector->new_encoder->new_crtc->pipe; | |
79e53945 JB |
10868 | } |
10869 | ||
b2784e15 | 10870 | for_each_intel_encoder(dev, encoder) { |
e2e1ed41 DV |
10871 | if (encoder->base.crtc == &encoder->new_crtc->base) |
10872 | continue; | |
10873 | ||
10874 | if (encoder->base.crtc) { | |
10875 | tmp_crtc = encoder->base.crtc; | |
10876 | ||
10877 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; | |
10878 | } | |
10879 | ||
10880 | if (encoder->new_crtc) | |
10881 | *prepare_pipes |= 1 << encoder->new_crtc->pipe; | |
80824003 JB |
10882 | } |
10883 | ||
7668851f | 10884 | /* Check for pipes that will be enabled/disabled ... */ |
d3fcc808 | 10885 | for_each_intel_crtc(dev, intel_crtc) { |
83d65738 | 10886 | if (intel_crtc->base.state->enable == intel_crtc->new_enabled) |
e2e1ed41 | 10887 | continue; |
7e7d76c3 | 10888 | |
7668851f | 10889 | if (!intel_crtc->new_enabled) |
e2e1ed41 | 10890 | *disable_pipes |= 1 << intel_crtc->pipe; |
7668851f VS |
10891 | else |
10892 | *prepare_pipes |= 1 << intel_crtc->pipe; | |
7e7d76c3 JB |
10893 | } |
10894 | ||
e2e1ed41 DV |
10895 | |
10896 | /* set_mode is also used to update properties on life display pipes. */ | |
10897 | intel_crtc = to_intel_crtc(crtc); | |
7668851f | 10898 | if (intel_crtc->new_enabled) |
e2e1ed41 DV |
10899 | *prepare_pipes |= 1 << intel_crtc->pipe; |
10900 | ||
b6c5164d DV |
10901 | /* |
10902 | * For simplicity do a full modeset on any pipe where the output routing | |
10903 | * changed. We could be more clever, but that would require us to be | |
10904 | * more careful with calling the relevant encoder->mode_set functions. | |
10905 | */ | |
e2e1ed41 DV |
10906 | if (*prepare_pipes) |
10907 | *modeset_pipes = *prepare_pipes; | |
10908 | ||
10909 | /* ... and mask these out. */ | |
10910 | *modeset_pipes &= ~(*disable_pipes); | |
10911 | *prepare_pipes &= ~(*disable_pipes); | |
b6c5164d DV |
10912 | |
10913 | /* | |
10914 | * HACK: We don't (yet) fully support global modesets. intel_set_config | |
10915 | * obies this rule, but the modeset restore mode of | |
10916 | * intel_modeset_setup_hw_state does not. | |
10917 | */ | |
10918 | *modeset_pipes &= 1 << intel_crtc->pipe; | |
10919 | *prepare_pipes &= 1 << intel_crtc->pipe; | |
e3641d3f DV |
10920 | |
10921 | DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n", | |
10922 | *modeset_pipes, *prepare_pipes, *disable_pipes); | |
47f1c6c9 | 10923 | } |
79e53945 | 10924 | |
ea9d758d | 10925 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
f6e5b160 | 10926 | { |
ea9d758d | 10927 | struct drm_encoder *encoder; |
f6e5b160 | 10928 | struct drm_device *dev = crtc->dev; |
f6e5b160 | 10929 | |
ea9d758d DV |
10930 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
10931 | if (encoder->crtc == crtc) | |
10932 | return true; | |
10933 | ||
10934 | return false; | |
10935 | } | |
10936 | ||
10937 | static void | |
10938 | intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) | |
10939 | { | |
ba41c0de | 10940 | struct drm_i915_private *dev_priv = dev->dev_private; |
ea9d758d DV |
10941 | struct intel_encoder *intel_encoder; |
10942 | struct intel_crtc *intel_crtc; | |
10943 | struct drm_connector *connector; | |
10944 | ||
ba41c0de DV |
10945 | intel_shared_dpll_commit(dev_priv); |
10946 | ||
b2784e15 | 10947 | for_each_intel_encoder(dev, intel_encoder) { |
ea9d758d DV |
10948 | if (!intel_encoder->base.crtc) |
10949 | continue; | |
10950 | ||
10951 | intel_crtc = to_intel_crtc(intel_encoder->base.crtc); | |
10952 | ||
10953 | if (prepare_pipes & (1 << intel_crtc->pipe)) | |
10954 | intel_encoder->connectors_active = false; | |
10955 | } | |
10956 | ||
10957 | intel_modeset_commit_output_state(dev); | |
10958 | ||
7668851f | 10959 | /* Double check state. */ |
d3fcc808 | 10960 | for_each_intel_crtc(dev, intel_crtc) { |
83d65738 | 10961 | WARN_ON(intel_crtc->base.state->enable != intel_crtc_in_use(&intel_crtc->base)); |
7bd0a8e7 | 10962 | WARN_ON(intel_crtc->new_config && |
6e3c9717 | 10963 | intel_crtc->new_config != intel_crtc->config); |
83d65738 | 10964 | WARN_ON(intel_crtc->base.state->enable != !!intel_crtc->new_config); |
ea9d758d DV |
10965 | } |
10966 | ||
10967 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
10968 | if (!connector->encoder || !connector->encoder->crtc) | |
10969 | continue; | |
10970 | ||
10971 | intel_crtc = to_intel_crtc(connector->encoder->crtc); | |
10972 | ||
10973 | if (prepare_pipes & (1 << intel_crtc->pipe)) { | |
68d34720 DV |
10974 | struct drm_property *dpms_property = |
10975 | dev->mode_config.dpms_property; | |
10976 | ||
ea9d758d | 10977 | connector->dpms = DRM_MODE_DPMS_ON; |
662595df | 10978 | drm_object_property_set_value(&connector->base, |
68d34720 DV |
10979 | dpms_property, |
10980 | DRM_MODE_DPMS_ON); | |
ea9d758d DV |
10981 | |
10982 | intel_encoder = to_intel_encoder(connector->encoder); | |
10983 | intel_encoder->connectors_active = true; | |
10984 | } | |
10985 | } | |
10986 | ||
10987 | } | |
10988 | ||
3bd26263 | 10989 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 10990 | { |
3bd26263 | 10991 | int diff; |
f1f644dc JB |
10992 | |
10993 | if (clock1 == clock2) | |
10994 | return true; | |
10995 | ||
10996 | if (!clock1 || !clock2) | |
10997 | return false; | |
10998 | ||
10999 | diff = abs(clock1 - clock2); | |
11000 | ||
11001 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
11002 | return true; | |
11003 | ||
11004 | return false; | |
11005 | } | |
11006 | ||
25c5b266 DV |
11007 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
11008 | list_for_each_entry((intel_crtc), \ | |
11009 | &(dev)->mode_config.crtc_list, \ | |
11010 | base.head) \ | |
0973f18f | 11011 | if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 11012 | |
0e8ffe1b | 11013 | static bool |
2fa2fe9a | 11014 | intel_pipe_config_compare(struct drm_device *dev, |
5cec258b ACO |
11015 | struct intel_crtc_state *current_config, |
11016 | struct intel_crtc_state *pipe_config) | |
0e8ffe1b | 11017 | { |
66e985c0 DV |
11018 | #define PIPE_CONF_CHECK_X(name) \ |
11019 | if (current_config->name != pipe_config->name) { \ | |
11020 | DRM_ERROR("mismatch in " #name " " \ | |
11021 | "(expected 0x%08x, found 0x%08x)\n", \ | |
11022 | current_config->name, \ | |
11023 | pipe_config->name); \ | |
11024 | return false; \ | |
11025 | } | |
11026 | ||
08a24034 DV |
11027 | #define PIPE_CONF_CHECK_I(name) \ |
11028 | if (current_config->name != pipe_config->name) { \ | |
11029 | DRM_ERROR("mismatch in " #name " " \ | |
11030 | "(expected %i, found %i)\n", \ | |
11031 | current_config->name, \ | |
11032 | pipe_config->name); \ | |
11033 | return false; \ | |
88adfff1 DV |
11034 | } |
11035 | ||
b95af8be VK |
11036 | /* This is required for BDW+ where there is only one set of registers for |
11037 | * switching between high and low RR. | |
11038 | * This macro can be used whenever a comparison has to be made between one | |
11039 | * hw state and multiple sw state variables. | |
11040 | */ | |
11041 | #define PIPE_CONF_CHECK_I_ALT(name, alt_name) \ | |
11042 | if ((current_config->name != pipe_config->name) && \ | |
11043 | (current_config->alt_name != pipe_config->name)) { \ | |
11044 | DRM_ERROR("mismatch in " #name " " \ | |
11045 | "(expected %i or %i, found %i)\n", \ | |
11046 | current_config->name, \ | |
11047 | current_config->alt_name, \ | |
11048 | pipe_config->name); \ | |
11049 | return false; \ | |
11050 | } | |
11051 | ||
1bd1bd80 DV |
11052 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
11053 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
6f02488e | 11054 | DRM_ERROR("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
11055 | "(expected %i, found %i)\n", \ |
11056 | current_config->name & (mask), \ | |
11057 | pipe_config->name & (mask)); \ | |
11058 | return false; \ | |
11059 | } | |
11060 | ||
5e550656 VS |
11061 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
11062 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
11063 | DRM_ERROR("mismatch in " #name " " \ | |
11064 | "(expected %i, found %i)\n", \ | |
11065 | current_config->name, \ | |
11066 | pipe_config->name); \ | |
11067 | return false; \ | |
11068 | } | |
11069 | ||
bb760063 DV |
11070 | #define PIPE_CONF_QUIRK(quirk) \ |
11071 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
11072 | ||
eccb140b DV |
11073 | PIPE_CONF_CHECK_I(cpu_transcoder); |
11074 | ||
08a24034 DV |
11075 | PIPE_CONF_CHECK_I(has_pch_encoder); |
11076 | PIPE_CONF_CHECK_I(fdi_lanes); | |
72419203 DV |
11077 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_m); |
11078 | PIPE_CONF_CHECK_I(fdi_m_n.gmch_n); | |
11079 | PIPE_CONF_CHECK_I(fdi_m_n.link_m); | |
11080 | PIPE_CONF_CHECK_I(fdi_m_n.link_n); | |
11081 | PIPE_CONF_CHECK_I(fdi_m_n.tu); | |
08a24034 | 11082 | |
eb14cb74 | 11083 | PIPE_CONF_CHECK_I(has_dp_encoder); |
b95af8be VK |
11084 | |
11085 | if (INTEL_INFO(dev)->gen < 8) { | |
11086 | PIPE_CONF_CHECK_I(dp_m_n.gmch_m); | |
11087 | PIPE_CONF_CHECK_I(dp_m_n.gmch_n); | |
11088 | PIPE_CONF_CHECK_I(dp_m_n.link_m); | |
11089 | PIPE_CONF_CHECK_I(dp_m_n.link_n); | |
11090 | PIPE_CONF_CHECK_I(dp_m_n.tu); | |
11091 | ||
11092 | if (current_config->has_drrs) { | |
11093 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_m); | |
11094 | PIPE_CONF_CHECK_I(dp_m2_n2.gmch_n); | |
11095 | PIPE_CONF_CHECK_I(dp_m2_n2.link_m); | |
11096 | PIPE_CONF_CHECK_I(dp_m2_n2.link_n); | |
11097 | PIPE_CONF_CHECK_I(dp_m2_n2.tu); | |
11098 | } | |
11099 | } else { | |
11100 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_m, dp_m2_n2.gmch_m); | |
11101 | PIPE_CONF_CHECK_I_ALT(dp_m_n.gmch_n, dp_m2_n2.gmch_n); | |
11102 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_m, dp_m2_n2.link_m); | |
11103 | PIPE_CONF_CHECK_I_ALT(dp_m_n.link_n, dp_m2_n2.link_n); | |
11104 | PIPE_CONF_CHECK_I_ALT(dp_m_n.tu, dp_m2_n2.tu); | |
11105 | } | |
eb14cb74 | 11106 | |
2d112de7 ACO |
11107 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hdisplay); |
11108 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_htotal); | |
11109 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_start); | |
11110 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_end); | |
11111 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_start); | |
11112 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_end); | |
1bd1bd80 | 11113 | |
2d112de7 ACO |
11114 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vdisplay); |
11115 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vtotal); | |
11116 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_start); | |
11117 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_end); | |
11118 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_start); | |
11119 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_end); | |
1bd1bd80 | 11120 | |
c93f54cf | 11121 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6897b4b5 | 11122 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
b5a9fa09 DV |
11123 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
11124 | IS_VALLEYVIEW(dev)) | |
11125 | PIPE_CONF_CHECK_I(limited_color_range); | |
e43823ec | 11126 | PIPE_CONF_CHECK_I(has_infoframe); |
6c49f241 | 11127 | |
9ed109a7 DV |
11128 | PIPE_CONF_CHECK_I(has_audio); |
11129 | ||
2d112de7 | 11130 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
1bd1bd80 DV |
11131 | DRM_MODE_FLAG_INTERLACE); |
11132 | ||
bb760063 | 11133 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
2d112de7 | 11134 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 11135 | DRM_MODE_FLAG_PHSYNC); |
2d112de7 | 11136 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 11137 | DRM_MODE_FLAG_NHSYNC); |
2d112de7 | 11138 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 11139 | DRM_MODE_FLAG_PVSYNC); |
2d112de7 | 11140 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 DV |
11141 | DRM_MODE_FLAG_NVSYNC); |
11142 | } | |
045ac3b5 | 11143 | |
37327abd VS |
11144 | PIPE_CONF_CHECK_I(pipe_src_w); |
11145 | PIPE_CONF_CHECK_I(pipe_src_h); | |
1bd1bd80 | 11146 | |
9953599b DV |
11147 | /* |
11148 | * FIXME: BIOS likes to set up a cloned config with lvds+external | |
11149 | * screen. Since we don't yet re-compute the pipe config when moving | |
11150 | * just the lvds port away to another pipe the sw tracking won't match. | |
11151 | * | |
11152 | * Proper atomic modesets with recomputed global state will fix this. | |
11153 | * Until then just don't check gmch state for inherited modes. | |
11154 | */ | |
11155 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) { | |
11156 | PIPE_CONF_CHECK_I(gmch_pfit.control); | |
11157 | /* pfit ratios are autocomputed by the hw on gen4+ */ | |
11158 | if (INTEL_INFO(dev)->gen < 4) | |
11159 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); | |
11160 | PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); | |
11161 | } | |
11162 | ||
fd4daa9c CW |
11163 | PIPE_CONF_CHECK_I(pch_pfit.enabled); |
11164 | if (current_config->pch_pfit.enabled) { | |
11165 | PIPE_CONF_CHECK_I(pch_pfit.pos); | |
11166 | PIPE_CONF_CHECK_I(pch_pfit.size); | |
11167 | } | |
2fa2fe9a | 11168 | |
e59150dc JB |
11169 | /* BDW+ don't expose a synchronous way to read the state */ |
11170 | if (IS_HASWELL(dev)) | |
11171 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 11172 | |
282740f7 VS |
11173 | PIPE_CONF_CHECK_I(double_wide); |
11174 | ||
26804afd DV |
11175 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
11176 | ||
c0d43d62 | 11177 | PIPE_CONF_CHECK_I(shared_dpll); |
66e985c0 | 11178 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 11179 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
11180 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
11181 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
d452c5b6 | 11182 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
3f4cd19f DL |
11183 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
11184 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); | |
11185 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); | |
c0d43d62 | 11186 | |
42571aef VS |
11187 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
11188 | PIPE_CONF_CHECK_I(pipe_bpp); | |
11189 | ||
2d112de7 | 11190 | PIPE_CONF_CHECK_CLOCK_FUZZY(base.adjusted_mode.crtc_clock); |
a9a7e98a | 11191 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
5e550656 | 11192 | |
66e985c0 | 11193 | #undef PIPE_CONF_CHECK_X |
08a24034 | 11194 | #undef PIPE_CONF_CHECK_I |
b95af8be | 11195 | #undef PIPE_CONF_CHECK_I_ALT |
1bd1bd80 | 11196 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 11197 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 11198 | #undef PIPE_CONF_QUIRK |
88adfff1 | 11199 | |
0e8ffe1b DV |
11200 | return true; |
11201 | } | |
11202 | ||
08db6652 DL |
11203 | static void check_wm_state(struct drm_device *dev) |
11204 | { | |
11205 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11206 | struct skl_ddb_allocation hw_ddb, *sw_ddb; | |
11207 | struct intel_crtc *intel_crtc; | |
11208 | int plane; | |
11209 | ||
11210 | if (INTEL_INFO(dev)->gen < 9) | |
11211 | return; | |
11212 | ||
11213 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); | |
11214 | sw_ddb = &dev_priv->wm.skl_hw.ddb; | |
11215 | ||
11216 | for_each_intel_crtc(dev, intel_crtc) { | |
11217 | struct skl_ddb_entry *hw_entry, *sw_entry; | |
11218 | const enum pipe pipe = intel_crtc->pipe; | |
11219 | ||
11220 | if (!intel_crtc->active) | |
11221 | continue; | |
11222 | ||
11223 | /* planes */ | |
dd740780 | 11224 | for_each_plane(dev_priv, pipe, plane) { |
08db6652 DL |
11225 | hw_entry = &hw_ddb.plane[pipe][plane]; |
11226 | sw_entry = &sw_ddb->plane[pipe][plane]; | |
11227 | ||
11228 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
11229 | continue; | |
11230 | ||
11231 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " | |
11232 | "(expected (%u,%u), found (%u,%u))\n", | |
11233 | pipe_name(pipe), plane + 1, | |
11234 | sw_entry->start, sw_entry->end, | |
11235 | hw_entry->start, hw_entry->end); | |
11236 | } | |
11237 | ||
11238 | /* cursor */ | |
11239 | hw_entry = &hw_ddb.cursor[pipe]; | |
11240 | sw_entry = &sw_ddb->cursor[pipe]; | |
11241 | ||
11242 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
11243 | continue; | |
11244 | ||
11245 | DRM_ERROR("mismatch in DDB state pipe %c cursor " | |
11246 | "(expected (%u,%u), found (%u,%u))\n", | |
11247 | pipe_name(pipe), | |
11248 | sw_entry->start, sw_entry->end, | |
11249 | hw_entry->start, hw_entry->end); | |
11250 | } | |
11251 | } | |
11252 | ||
91d1b4bd DV |
11253 | static void |
11254 | check_connector_state(struct drm_device *dev) | |
8af6cf88 | 11255 | { |
8af6cf88 DV |
11256 | struct intel_connector *connector; |
11257 | ||
3a3371ff | 11258 | for_each_intel_connector(dev, connector) { |
8af6cf88 DV |
11259 | /* This also checks the encoder/connector hw state with the |
11260 | * ->get_hw_state callbacks. */ | |
11261 | intel_connector_check_state(connector); | |
11262 | ||
e2c719b7 | 11263 | I915_STATE_WARN(&connector->new_encoder->base != connector->base.encoder, |
8af6cf88 DV |
11264 | "connector's staged encoder doesn't match current encoder\n"); |
11265 | } | |
91d1b4bd DV |
11266 | } |
11267 | ||
11268 | static void | |
11269 | check_encoder_state(struct drm_device *dev) | |
11270 | { | |
11271 | struct intel_encoder *encoder; | |
11272 | struct intel_connector *connector; | |
8af6cf88 | 11273 | |
b2784e15 | 11274 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 DV |
11275 | bool enabled = false; |
11276 | bool active = false; | |
11277 | enum pipe pipe, tracked_pipe; | |
11278 | ||
11279 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
11280 | encoder->base.base.id, | |
8e329a03 | 11281 | encoder->base.name); |
8af6cf88 | 11282 | |
e2c719b7 | 11283 | I915_STATE_WARN(&encoder->new_crtc->base != encoder->base.crtc, |
8af6cf88 | 11284 | "encoder's stage crtc doesn't match current crtc\n"); |
e2c719b7 | 11285 | I915_STATE_WARN(encoder->connectors_active && !encoder->base.crtc, |
8af6cf88 DV |
11286 | "encoder's active_connectors set, but no crtc\n"); |
11287 | ||
3a3371ff | 11288 | for_each_intel_connector(dev, connector) { |
8af6cf88 DV |
11289 | if (connector->base.encoder != &encoder->base) |
11290 | continue; | |
11291 | enabled = true; | |
11292 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) | |
11293 | active = true; | |
11294 | } | |
0e32b39c DA |
11295 | /* |
11296 | * for MST connectors if we unplug the connector is gone | |
11297 | * away but the encoder is still connected to a crtc | |
11298 | * until a modeset happens in response to the hotplug. | |
11299 | */ | |
11300 | if (!enabled && encoder->base.encoder_type == DRM_MODE_ENCODER_DPMST) | |
11301 | continue; | |
11302 | ||
e2c719b7 | 11303 | I915_STATE_WARN(!!encoder->base.crtc != enabled, |
8af6cf88 DV |
11304 | "encoder's enabled state mismatch " |
11305 | "(expected %i, found %i)\n", | |
11306 | !!encoder->base.crtc, enabled); | |
e2c719b7 | 11307 | I915_STATE_WARN(active && !encoder->base.crtc, |
8af6cf88 DV |
11308 | "active encoder with no crtc\n"); |
11309 | ||
e2c719b7 | 11310 | I915_STATE_WARN(encoder->connectors_active != active, |
8af6cf88 DV |
11311 | "encoder's computed active state doesn't match tracked active state " |
11312 | "(expected %i, found %i)\n", active, encoder->connectors_active); | |
11313 | ||
11314 | active = encoder->get_hw_state(encoder, &pipe); | |
e2c719b7 | 11315 | I915_STATE_WARN(active != encoder->connectors_active, |
8af6cf88 DV |
11316 | "encoder's hw state doesn't match sw tracking " |
11317 | "(expected %i, found %i)\n", | |
11318 | encoder->connectors_active, active); | |
11319 | ||
11320 | if (!encoder->base.crtc) | |
11321 | continue; | |
11322 | ||
11323 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; | |
e2c719b7 | 11324 | I915_STATE_WARN(active && pipe != tracked_pipe, |
8af6cf88 DV |
11325 | "active encoder's pipe doesn't match" |
11326 | "(expected %i, found %i)\n", | |
11327 | tracked_pipe, pipe); | |
11328 | ||
11329 | } | |
91d1b4bd DV |
11330 | } |
11331 | ||
11332 | static void | |
11333 | check_crtc_state(struct drm_device *dev) | |
11334 | { | |
fbee40df | 11335 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
11336 | struct intel_crtc *crtc; |
11337 | struct intel_encoder *encoder; | |
5cec258b | 11338 | struct intel_crtc_state pipe_config; |
8af6cf88 | 11339 | |
d3fcc808 | 11340 | for_each_intel_crtc(dev, crtc) { |
8af6cf88 DV |
11341 | bool enabled = false; |
11342 | bool active = false; | |
11343 | ||
045ac3b5 JB |
11344 | memset(&pipe_config, 0, sizeof(pipe_config)); |
11345 | ||
8af6cf88 DV |
11346 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
11347 | crtc->base.base.id); | |
11348 | ||
83d65738 | 11349 | I915_STATE_WARN(crtc->active && !crtc->base.state->enable, |
8af6cf88 DV |
11350 | "active crtc, but not enabled in sw tracking\n"); |
11351 | ||
b2784e15 | 11352 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 DV |
11353 | if (encoder->base.crtc != &crtc->base) |
11354 | continue; | |
11355 | enabled = true; | |
11356 | if (encoder->connectors_active) | |
11357 | active = true; | |
11358 | } | |
6c49f241 | 11359 | |
e2c719b7 | 11360 | I915_STATE_WARN(active != crtc->active, |
8af6cf88 DV |
11361 | "crtc's computed active state doesn't match tracked active state " |
11362 | "(expected %i, found %i)\n", active, crtc->active); | |
83d65738 | 11363 | I915_STATE_WARN(enabled != crtc->base.state->enable, |
8af6cf88 | 11364 | "crtc's computed enabled state doesn't match tracked enabled state " |
83d65738 MR |
11365 | "(expected %i, found %i)\n", enabled, |
11366 | crtc->base.state->enable); | |
8af6cf88 | 11367 | |
0e8ffe1b DV |
11368 | active = dev_priv->display.get_pipe_config(crtc, |
11369 | &pipe_config); | |
d62cf62a | 11370 | |
b6b5d049 VS |
11371 | /* hw state is inconsistent with the pipe quirk */ |
11372 | if ((crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
11373 | (crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
d62cf62a DV |
11374 | active = crtc->active; |
11375 | ||
b2784e15 | 11376 | for_each_intel_encoder(dev, encoder) { |
3eaba51c | 11377 | enum pipe pipe; |
6c49f241 DV |
11378 | if (encoder->base.crtc != &crtc->base) |
11379 | continue; | |
1d37b689 | 11380 | if (encoder->get_hw_state(encoder, &pipe)) |
6c49f241 DV |
11381 | encoder->get_config(encoder, &pipe_config); |
11382 | } | |
11383 | ||
e2c719b7 | 11384 | I915_STATE_WARN(crtc->active != active, |
0e8ffe1b DV |
11385 | "crtc active state doesn't match with hw state " |
11386 | "(expected %i, found %i)\n", crtc->active, active); | |
11387 | ||
c0b03411 | 11388 | if (active && |
6e3c9717 | 11389 | !intel_pipe_config_compare(dev, crtc->config, &pipe_config)) { |
e2c719b7 | 11390 | I915_STATE_WARN(1, "pipe state doesn't match!\n"); |
c0b03411 DV |
11391 | intel_dump_pipe_config(crtc, &pipe_config, |
11392 | "[hw state]"); | |
6e3c9717 | 11393 | intel_dump_pipe_config(crtc, crtc->config, |
c0b03411 DV |
11394 | "[sw state]"); |
11395 | } | |
8af6cf88 DV |
11396 | } |
11397 | } | |
11398 | ||
91d1b4bd DV |
11399 | static void |
11400 | check_shared_dpll_state(struct drm_device *dev) | |
11401 | { | |
fbee40df | 11402 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
11403 | struct intel_crtc *crtc; |
11404 | struct intel_dpll_hw_state dpll_hw_state; | |
11405 | int i; | |
5358901f DV |
11406 | |
11407 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
11408 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
11409 | int enabled_crtcs = 0, active_crtcs = 0; | |
11410 | bool active; | |
11411 | ||
11412 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); | |
11413 | ||
11414 | DRM_DEBUG_KMS("%s\n", pll->name); | |
11415 | ||
11416 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); | |
11417 | ||
e2c719b7 | 11418 | I915_STATE_WARN(pll->active > hweight32(pll->config.crtc_mask), |
5358901f | 11419 | "more active pll users than references: %i vs %i\n", |
3e369b76 | 11420 | pll->active, hweight32(pll->config.crtc_mask)); |
e2c719b7 | 11421 | I915_STATE_WARN(pll->active && !pll->on, |
5358901f | 11422 | "pll in active use but not on in sw tracking\n"); |
e2c719b7 | 11423 | I915_STATE_WARN(pll->on && !pll->active, |
35c95375 | 11424 | "pll in on but not on in use in sw tracking\n"); |
e2c719b7 | 11425 | I915_STATE_WARN(pll->on != active, |
5358901f DV |
11426 | "pll on state mismatch (expected %i, found %i)\n", |
11427 | pll->on, active); | |
11428 | ||
d3fcc808 | 11429 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 11430 | if (crtc->base.state->enable && intel_crtc_to_shared_dpll(crtc) == pll) |
5358901f DV |
11431 | enabled_crtcs++; |
11432 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) | |
11433 | active_crtcs++; | |
11434 | } | |
e2c719b7 | 11435 | I915_STATE_WARN(pll->active != active_crtcs, |
5358901f DV |
11436 | "pll active crtcs mismatch (expected %i, found %i)\n", |
11437 | pll->active, active_crtcs); | |
e2c719b7 | 11438 | I915_STATE_WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs, |
5358901f | 11439 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
3e369b76 | 11440 | hweight32(pll->config.crtc_mask), enabled_crtcs); |
66e985c0 | 11441 | |
e2c719b7 | 11442 | I915_STATE_WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state, |
66e985c0 DV |
11443 | sizeof(dpll_hw_state)), |
11444 | "pll hw state mismatch\n"); | |
5358901f | 11445 | } |
8af6cf88 DV |
11446 | } |
11447 | ||
91d1b4bd DV |
11448 | void |
11449 | intel_modeset_check_state(struct drm_device *dev) | |
11450 | { | |
08db6652 | 11451 | check_wm_state(dev); |
91d1b4bd DV |
11452 | check_connector_state(dev); |
11453 | check_encoder_state(dev); | |
11454 | check_crtc_state(dev); | |
11455 | check_shared_dpll_state(dev); | |
11456 | } | |
11457 | ||
5cec258b | 11458 | void ironlake_check_encoder_dotclock(const struct intel_crtc_state *pipe_config, |
18442d08 VS |
11459 | int dotclock) |
11460 | { | |
11461 | /* | |
11462 | * FDI already provided one idea for the dotclock. | |
11463 | * Yell if the encoder disagrees. | |
11464 | */ | |
2d112de7 | 11465 | WARN(!intel_fuzzy_clock_check(pipe_config->base.adjusted_mode.crtc_clock, dotclock), |
18442d08 | 11466 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
2d112de7 | 11467 | pipe_config->base.adjusted_mode.crtc_clock, dotclock); |
18442d08 VS |
11468 | } |
11469 | ||
80715b2f VS |
11470 | static void update_scanline_offset(struct intel_crtc *crtc) |
11471 | { | |
11472 | struct drm_device *dev = crtc->base.dev; | |
11473 | ||
11474 | /* | |
11475 | * The scanline counter increments at the leading edge of hsync. | |
11476 | * | |
11477 | * On most platforms it starts counting from vtotal-1 on the | |
11478 | * first active line. That means the scanline counter value is | |
11479 | * always one less than what we would expect. Ie. just after | |
11480 | * start of vblank, which also occurs at start of hsync (on the | |
11481 | * last active line), the scanline counter will read vblank_start-1. | |
11482 | * | |
11483 | * On gen2 the scanline counter starts counting from 1 instead | |
11484 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 | |
11485 | * to keep the value positive), instead of adding one. | |
11486 | * | |
11487 | * On HSW+ the behaviour of the scanline counter depends on the output | |
11488 | * type. For DP ports it behaves like most other platforms, but on HDMI | |
11489 | * there's an extra 1 line difference. So we need to add two instead of | |
11490 | * one to the value. | |
11491 | */ | |
11492 | if (IS_GEN2(dev)) { | |
6e3c9717 | 11493 | const struct drm_display_mode *mode = &crtc->config->base.adjusted_mode; |
80715b2f VS |
11494 | int vtotal; |
11495 | ||
11496 | vtotal = mode->crtc_vtotal; | |
11497 | if (mode->flags & DRM_MODE_FLAG_INTERLACE) | |
11498 | vtotal /= 2; | |
11499 | ||
11500 | crtc->scanline_offset = vtotal - 1; | |
11501 | } else if (HAS_DDI(dev) && | |
409ee761 | 11502 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { |
80715b2f VS |
11503 | crtc->scanline_offset = 2; |
11504 | } else | |
11505 | crtc->scanline_offset = 1; | |
11506 | } | |
11507 | ||
5cec258b | 11508 | static struct intel_crtc_state * |
7f27126e JB |
11509 | intel_modeset_compute_config(struct drm_crtc *crtc, |
11510 | struct drm_display_mode *mode, | |
11511 | struct drm_framebuffer *fb, | |
83a57153 | 11512 | struct drm_atomic_state *state, |
7f27126e JB |
11513 | unsigned *modeset_pipes, |
11514 | unsigned *prepare_pipes, | |
11515 | unsigned *disable_pipes) | |
11516 | { | |
db7542dd | 11517 | struct drm_device *dev = crtc->dev; |
5cec258b | 11518 | struct intel_crtc_state *pipe_config = NULL; |
db7542dd | 11519 | struct intel_crtc *intel_crtc; |
0b901879 ACO |
11520 | int ret = 0; |
11521 | ||
11522 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
11523 | if (ret) | |
11524 | return ERR_PTR(ret); | |
7f27126e JB |
11525 | |
11526 | intel_modeset_affected_pipes(crtc, modeset_pipes, | |
11527 | prepare_pipes, disable_pipes); | |
11528 | ||
db7542dd ACO |
11529 | for_each_intel_crtc_masked(dev, *disable_pipes, intel_crtc) { |
11530 | pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); | |
11531 | if (IS_ERR(pipe_config)) | |
11532 | return pipe_config; | |
11533 | ||
11534 | pipe_config->base.enable = false; | |
11535 | } | |
7f27126e JB |
11536 | |
11537 | /* | |
11538 | * Note this needs changes when we start tracking multiple modes | |
11539 | * and crtcs. At that point we'll need to compute the whole config | |
11540 | * (i.e. one pipe_config for each crtc) rather than just the one | |
11541 | * for this crtc. | |
11542 | */ | |
db7542dd ACO |
11543 | for_each_intel_crtc_masked(dev, *modeset_pipes, intel_crtc) { |
11544 | /* FIXME: For now we still expect modeset_pipes has at most | |
11545 | * one bit set. */ | |
11546 | if (WARN_ON(&intel_crtc->base != crtc)) | |
11547 | continue; | |
83a57153 | 11548 | |
db7542dd ACO |
11549 | pipe_config = intel_modeset_pipe_config(crtc, fb, mode, state); |
11550 | if (IS_ERR(pipe_config)) | |
11551 | return pipe_config; | |
7f27126e | 11552 | |
db7542dd ACO |
11553 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
11554 | "[modeset]"); | |
11555 | } | |
11556 | ||
11557 | return intel_atomic_get_crtc_state(state, to_intel_crtc(crtc));; | |
7f27126e JB |
11558 | } |
11559 | ||
ed6739ef ACO |
11560 | static int __intel_set_mode_setup_plls(struct drm_device *dev, |
11561 | unsigned modeset_pipes, | |
11562 | unsigned disable_pipes) | |
11563 | { | |
11564 | struct drm_i915_private *dev_priv = to_i915(dev); | |
11565 | unsigned clear_pipes = modeset_pipes | disable_pipes; | |
11566 | struct intel_crtc *intel_crtc; | |
11567 | int ret = 0; | |
11568 | ||
11569 | if (!dev_priv->display.crtc_compute_clock) | |
11570 | return 0; | |
11571 | ||
11572 | ret = intel_shared_dpll_start_config(dev_priv, clear_pipes); | |
11573 | if (ret) | |
11574 | goto done; | |
11575 | ||
11576 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { | |
11577 | struct intel_crtc_state *state = intel_crtc->new_config; | |
11578 | ret = dev_priv->display.crtc_compute_clock(intel_crtc, | |
11579 | state); | |
11580 | if (ret) { | |
11581 | intel_shared_dpll_abort_config(dev_priv); | |
11582 | goto done; | |
11583 | } | |
11584 | } | |
11585 | ||
11586 | done: | |
11587 | return ret; | |
11588 | } | |
11589 | ||
f30da187 DV |
11590 | static int __intel_set_mode(struct drm_crtc *crtc, |
11591 | struct drm_display_mode *mode, | |
7f27126e | 11592 | int x, int y, struct drm_framebuffer *fb, |
5cec258b | 11593 | struct intel_crtc_state *pipe_config, |
7f27126e JB |
11594 | unsigned modeset_pipes, |
11595 | unsigned prepare_pipes, | |
11596 | unsigned disable_pipes) | |
a6778b3c DV |
11597 | { |
11598 | struct drm_device *dev = crtc->dev; | |
fbee40df | 11599 | struct drm_i915_private *dev_priv = dev->dev_private; |
4b4b9238 | 11600 | struct drm_display_mode *saved_mode; |
83a57153 | 11601 | struct intel_crtc_state *crtc_state_copy = NULL; |
25c5b266 | 11602 | struct intel_crtc *intel_crtc; |
c0c36b94 | 11603 | int ret = 0; |
a6778b3c | 11604 | |
4b4b9238 | 11605 | saved_mode = kmalloc(sizeof(*saved_mode), GFP_KERNEL); |
c0c36b94 CW |
11606 | if (!saved_mode) |
11607 | return -ENOMEM; | |
a6778b3c | 11608 | |
83a57153 ACO |
11609 | crtc_state_copy = kmalloc(sizeof(*crtc_state_copy), GFP_KERNEL); |
11610 | if (!crtc_state_copy) { | |
11611 | ret = -ENOMEM; | |
11612 | goto done; | |
11613 | } | |
11614 | ||
3ac18232 | 11615 | *saved_mode = crtc->mode; |
a6778b3c | 11616 | |
b9950a13 VS |
11617 | if (modeset_pipes) |
11618 | to_intel_crtc(crtc)->new_config = pipe_config; | |
11619 | ||
30a970c6 JB |
11620 | /* |
11621 | * See if the config requires any additional preparation, e.g. | |
11622 | * to adjust global state with pipes off. We need to do this | |
11623 | * here so we can get the modeset_pipe updated config for the new | |
11624 | * mode set on this crtc. For other crtcs we need to use the | |
11625 | * adjusted_mode bits in the crtc directly. | |
11626 | */ | |
c164f833 | 11627 | if (IS_VALLEYVIEW(dev)) { |
2f2d7aa1 | 11628 | valleyview_modeset_global_pipes(dev, &prepare_pipes); |
30a970c6 | 11629 | |
c164f833 VS |
11630 | /* may have added more to prepare_pipes than we should */ |
11631 | prepare_pipes &= ~disable_pipes; | |
11632 | } | |
11633 | ||
ed6739ef ACO |
11634 | ret = __intel_set_mode_setup_plls(dev, modeset_pipes, disable_pipes); |
11635 | if (ret) | |
11636 | goto done; | |
8bd31e67 | 11637 | |
460da916 DV |
11638 | for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc) |
11639 | intel_crtc_disable(&intel_crtc->base); | |
11640 | ||
ea9d758d | 11641 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
83d65738 | 11642 | if (intel_crtc->base.state->enable) |
ea9d758d DV |
11643 | dev_priv->display.crtc_disable(&intel_crtc->base); |
11644 | } | |
a6778b3c | 11645 | |
6c4c86f5 DV |
11646 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
11647 | * to set it here already despite that we pass it down the callchain. | |
7f27126e JB |
11648 | * |
11649 | * Note we'll need to fix this up when we start tracking multiple | |
11650 | * pipes; here we assume a single modeset_pipe and only track the | |
11651 | * single crtc and mode. | |
f6e5b160 | 11652 | */ |
b8cecdf5 | 11653 | if (modeset_pipes) { |
25c5b266 | 11654 | crtc->mode = *mode; |
b8cecdf5 DV |
11655 | /* mode_set/enable/disable functions rely on a correct pipe |
11656 | * config. */ | |
f5de6e07 | 11657 | intel_crtc_set_state(to_intel_crtc(crtc), pipe_config); |
c326c0a9 VS |
11658 | |
11659 | /* | |
11660 | * Calculate and store various constants which | |
11661 | * are later needed by vblank and swap-completion | |
11662 | * timestamping. They are derived from true hwmode. | |
11663 | */ | |
11664 | drm_calc_timestamping_constants(crtc, | |
2d112de7 | 11665 | &pipe_config->base.adjusted_mode); |
b8cecdf5 | 11666 | } |
7758a113 | 11667 | |
ea9d758d DV |
11668 | /* Only after disabling all output pipelines that will be changed can we |
11669 | * update the the output configuration. */ | |
11670 | intel_modeset_update_state(dev, prepare_pipes); | |
f6e5b160 | 11671 | |
679dacd4 | 11672 | modeset_update_crtc_power_domains(pipe_config->base.state); |
47fab737 | 11673 | |
a6778b3c DV |
11674 | /* Set up the DPLL and any encoders state that needs to adjust or depend |
11675 | * on the DPLL. | |
f6e5b160 | 11676 | */ |
25c5b266 | 11677 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
455a6808 GP |
11678 | struct drm_plane *primary = intel_crtc->base.primary; |
11679 | int vdisplay, hdisplay; | |
4c10794f | 11680 | |
455a6808 GP |
11681 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); |
11682 | ret = primary->funcs->update_plane(primary, &intel_crtc->base, | |
11683 | fb, 0, 0, | |
11684 | hdisplay, vdisplay, | |
11685 | x << 16, y << 16, | |
11686 | hdisplay << 16, vdisplay << 16); | |
a6778b3c DV |
11687 | } |
11688 | ||
11689 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ | |
80715b2f VS |
11690 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
11691 | update_scanline_offset(intel_crtc); | |
11692 | ||
25c5b266 | 11693 | dev_priv->display.crtc_enable(&intel_crtc->base); |
80715b2f | 11694 | } |
a6778b3c | 11695 | |
a6778b3c DV |
11696 | /* FIXME: add subpixel order */ |
11697 | done: | |
83d65738 | 11698 | if (ret && crtc->state->enable) |
3ac18232 | 11699 | crtc->mode = *saved_mode; |
a6778b3c | 11700 | |
83a57153 ACO |
11701 | if (ret == 0 && pipe_config) { |
11702 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11703 | ||
11704 | /* The pipe_config will be freed with the atomic state, so | |
11705 | * make a copy. */ | |
11706 | memcpy(crtc_state_copy, intel_crtc->config, | |
11707 | sizeof *crtc_state_copy); | |
11708 | intel_crtc->config = crtc_state_copy; | |
11709 | intel_crtc->base.state = &crtc_state_copy->base; | |
11710 | ||
11711 | if (modeset_pipes) | |
11712 | intel_crtc->new_config = intel_crtc->config; | |
11713 | } else { | |
11714 | kfree(crtc_state_copy); | |
11715 | } | |
11716 | ||
3ac18232 | 11717 | kfree(saved_mode); |
a6778b3c | 11718 | return ret; |
f6e5b160 CW |
11719 | } |
11720 | ||
7f27126e JB |
11721 | static int intel_set_mode_pipes(struct drm_crtc *crtc, |
11722 | struct drm_display_mode *mode, | |
11723 | int x, int y, struct drm_framebuffer *fb, | |
5cec258b | 11724 | struct intel_crtc_state *pipe_config, |
7f27126e JB |
11725 | unsigned modeset_pipes, |
11726 | unsigned prepare_pipes, | |
11727 | unsigned disable_pipes) | |
f30da187 DV |
11728 | { |
11729 | int ret; | |
11730 | ||
7f27126e JB |
11731 | ret = __intel_set_mode(crtc, mode, x, y, fb, pipe_config, modeset_pipes, |
11732 | prepare_pipes, disable_pipes); | |
f30da187 DV |
11733 | |
11734 | if (ret == 0) | |
11735 | intel_modeset_check_state(crtc->dev); | |
11736 | ||
11737 | return ret; | |
11738 | } | |
11739 | ||
7f27126e JB |
11740 | static int intel_set_mode(struct drm_crtc *crtc, |
11741 | struct drm_display_mode *mode, | |
83a57153 ACO |
11742 | int x, int y, struct drm_framebuffer *fb, |
11743 | struct drm_atomic_state *state) | |
7f27126e | 11744 | { |
5cec258b | 11745 | struct intel_crtc_state *pipe_config; |
7f27126e | 11746 | unsigned modeset_pipes, prepare_pipes, disable_pipes; |
83a57153 | 11747 | int ret = 0; |
7f27126e | 11748 | |
83a57153 | 11749 | pipe_config = intel_modeset_compute_config(crtc, mode, fb, state, |
7f27126e JB |
11750 | &modeset_pipes, |
11751 | &prepare_pipes, | |
11752 | &disable_pipes); | |
11753 | ||
83a57153 ACO |
11754 | if (IS_ERR(pipe_config)) { |
11755 | ret = PTR_ERR(pipe_config); | |
11756 | goto out; | |
11757 | } | |
11758 | ||
11759 | ret = intel_set_mode_pipes(crtc, mode, x, y, fb, pipe_config, | |
11760 | modeset_pipes, prepare_pipes, | |
11761 | disable_pipes); | |
11762 | if (ret) | |
11763 | goto out; | |
7f27126e | 11764 | |
83a57153 ACO |
11765 | out: |
11766 | return ret; | |
7f27126e JB |
11767 | } |
11768 | ||
c0c36b94 CW |
11769 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
11770 | { | |
83a57153 ACO |
11771 | struct drm_device *dev = crtc->dev; |
11772 | struct drm_atomic_state *state; | |
11773 | struct intel_encoder *encoder; | |
11774 | struct intel_connector *connector; | |
11775 | struct drm_connector_state *connector_state; | |
11776 | ||
11777 | state = drm_atomic_state_alloc(dev); | |
11778 | if (!state) { | |
11779 | DRM_DEBUG_KMS("[CRTC:%d] mode restore failed, out of memory", | |
11780 | crtc->base.id); | |
11781 | return; | |
11782 | } | |
11783 | ||
11784 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
11785 | ||
11786 | /* The force restore path in the HW readout code relies on the staged | |
11787 | * config still keeping the user requested config while the actual | |
11788 | * state has been overwritten by the configuration read from HW. We | |
11789 | * need to copy the staged config to the atomic state, otherwise the | |
11790 | * mode set will just reapply the state the HW is already in. */ | |
11791 | for_each_intel_encoder(dev, encoder) { | |
11792 | if (&encoder->new_crtc->base != crtc) | |
11793 | continue; | |
11794 | ||
11795 | for_each_intel_connector(dev, connector) { | |
11796 | if (connector->new_encoder != encoder) | |
11797 | continue; | |
11798 | ||
11799 | connector_state = drm_atomic_get_connector_state(state, &connector->base); | |
11800 | if (IS_ERR(connector_state)) { | |
11801 | DRM_DEBUG_KMS("Failed to add [CONNECTOR:%d:%s] to state: %ld\n", | |
11802 | connector->base.base.id, | |
11803 | connector->base.name, | |
11804 | PTR_ERR(connector_state)); | |
11805 | continue; | |
11806 | } | |
11807 | ||
11808 | connector_state->crtc = crtc; | |
11809 | connector_state->best_encoder = &encoder->base; | |
11810 | } | |
11811 | } | |
11812 | ||
11813 | intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->primary->fb, | |
11814 | state); | |
11815 | ||
11816 | drm_atomic_state_free(state); | |
c0c36b94 CW |
11817 | } |
11818 | ||
25c5b266 DV |
11819 | #undef for_each_intel_crtc_masked |
11820 | ||
d9e55608 DV |
11821 | static void intel_set_config_free(struct intel_set_config *config) |
11822 | { | |
11823 | if (!config) | |
11824 | return; | |
11825 | ||
1aa4b628 DV |
11826 | kfree(config->save_connector_encoders); |
11827 | kfree(config->save_encoder_crtcs); | |
7668851f | 11828 | kfree(config->save_crtc_enabled); |
d9e55608 DV |
11829 | kfree(config); |
11830 | } | |
11831 | ||
85f9eb71 DV |
11832 | static int intel_set_config_save_state(struct drm_device *dev, |
11833 | struct intel_set_config *config) | |
11834 | { | |
7668851f | 11835 | struct drm_crtc *crtc; |
85f9eb71 DV |
11836 | struct drm_encoder *encoder; |
11837 | struct drm_connector *connector; | |
11838 | int count; | |
11839 | ||
7668851f VS |
11840 | config->save_crtc_enabled = |
11841 | kcalloc(dev->mode_config.num_crtc, | |
11842 | sizeof(bool), GFP_KERNEL); | |
11843 | if (!config->save_crtc_enabled) | |
11844 | return -ENOMEM; | |
11845 | ||
1aa4b628 DV |
11846 | config->save_encoder_crtcs = |
11847 | kcalloc(dev->mode_config.num_encoder, | |
11848 | sizeof(struct drm_crtc *), GFP_KERNEL); | |
11849 | if (!config->save_encoder_crtcs) | |
85f9eb71 DV |
11850 | return -ENOMEM; |
11851 | ||
1aa4b628 DV |
11852 | config->save_connector_encoders = |
11853 | kcalloc(dev->mode_config.num_connector, | |
11854 | sizeof(struct drm_encoder *), GFP_KERNEL); | |
11855 | if (!config->save_connector_encoders) | |
85f9eb71 DV |
11856 | return -ENOMEM; |
11857 | ||
11858 | /* Copy data. Note that driver private data is not affected. | |
11859 | * Should anything bad happen only the expected state is | |
11860 | * restored, not the drivers personal bookkeeping. | |
11861 | */ | |
7668851f | 11862 | count = 0; |
70e1e0ec | 11863 | for_each_crtc(dev, crtc) { |
83d65738 | 11864 | config->save_crtc_enabled[count++] = crtc->state->enable; |
7668851f VS |
11865 | } |
11866 | ||
85f9eb71 DV |
11867 | count = 0; |
11868 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
1aa4b628 | 11869 | config->save_encoder_crtcs[count++] = encoder->crtc; |
85f9eb71 DV |
11870 | } |
11871 | ||
11872 | count = 0; | |
11873 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1aa4b628 | 11874 | config->save_connector_encoders[count++] = connector->encoder; |
85f9eb71 DV |
11875 | } |
11876 | ||
11877 | return 0; | |
11878 | } | |
11879 | ||
11880 | static void intel_set_config_restore_state(struct drm_device *dev, | |
11881 | struct intel_set_config *config) | |
11882 | { | |
7668851f | 11883 | struct intel_crtc *crtc; |
9a935856 DV |
11884 | struct intel_encoder *encoder; |
11885 | struct intel_connector *connector; | |
85f9eb71 DV |
11886 | int count; |
11887 | ||
7668851f | 11888 | count = 0; |
d3fcc808 | 11889 | for_each_intel_crtc(dev, crtc) { |
7668851f | 11890 | crtc->new_enabled = config->save_crtc_enabled[count++]; |
7bd0a8e7 VS |
11891 | |
11892 | if (crtc->new_enabled) | |
6e3c9717 | 11893 | crtc->new_config = crtc->config; |
7bd0a8e7 VS |
11894 | else |
11895 | crtc->new_config = NULL; | |
7668851f VS |
11896 | } |
11897 | ||
85f9eb71 | 11898 | count = 0; |
b2784e15 | 11899 | for_each_intel_encoder(dev, encoder) { |
9a935856 DV |
11900 | encoder->new_crtc = |
11901 | to_intel_crtc(config->save_encoder_crtcs[count++]); | |
85f9eb71 DV |
11902 | } |
11903 | ||
11904 | count = 0; | |
3a3371ff | 11905 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
11906 | connector->new_encoder = |
11907 | to_intel_encoder(config->save_connector_encoders[count++]); | |
85f9eb71 DV |
11908 | } |
11909 | } | |
11910 | ||
e3de42b6 | 11911 | static bool |
2e57f47d | 11912 | is_crtc_connector_off(struct drm_mode_set *set) |
e3de42b6 ID |
11913 | { |
11914 | int i; | |
11915 | ||
2e57f47d CW |
11916 | if (set->num_connectors == 0) |
11917 | return false; | |
11918 | ||
11919 | if (WARN_ON(set->connectors == NULL)) | |
11920 | return false; | |
11921 | ||
11922 | for (i = 0; i < set->num_connectors; i++) | |
11923 | if (set->connectors[i]->encoder && | |
11924 | set->connectors[i]->encoder->crtc == set->crtc && | |
11925 | set->connectors[i]->dpms != DRM_MODE_DPMS_ON) | |
e3de42b6 ID |
11926 | return true; |
11927 | ||
11928 | return false; | |
11929 | } | |
11930 | ||
5e2b584e DV |
11931 | static void |
11932 | intel_set_config_compute_mode_changes(struct drm_mode_set *set, | |
11933 | struct intel_set_config *config) | |
11934 | { | |
11935 | ||
11936 | /* We should be able to check here if the fb has the same properties | |
11937 | * and then just flip_or_move it */ | |
2e57f47d CW |
11938 | if (is_crtc_connector_off(set)) { |
11939 | config->mode_changed = true; | |
f4510a27 | 11940 | } else if (set->crtc->primary->fb != set->fb) { |
3b150f08 MR |
11941 | /* |
11942 | * If we have no fb, we can only flip as long as the crtc is | |
11943 | * active, otherwise we need a full mode set. The crtc may | |
11944 | * be active if we've only disabled the primary plane, or | |
11945 | * in fastboot situations. | |
11946 | */ | |
f4510a27 | 11947 | if (set->crtc->primary->fb == NULL) { |
319d9827 JB |
11948 | struct intel_crtc *intel_crtc = |
11949 | to_intel_crtc(set->crtc); | |
11950 | ||
3b150f08 | 11951 | if (intel_crtc->active) { |
319d9827 JB |
11952 | DRM_DEBUG_KMS("crtc has no fb, will flip\n"); |
11953 | config->fb_changed = true; | |
11954 | } else { | |
11955 | DRM_DEBUG_KMS("inactive crtc, full mode set\n"); | |
11956 | config->mode_changed = true; | |
11957 | } | |
5e2b584e DV |
11958 | } else if (set->fb == NULL) { |
11959 | config->mode_changed = true; | |
72f4901e | 11960 | } else if (set->fb->pixel_format != |
f4510a27 | 11961 | set->crtc->primary->fb->pixel_format) { |
5e2b584e | 11962 | config->mode_changed = true; |
e3de42b6 | 11963 | } else { |
5e2b584e | 11964 | config->fb_changed = true; |
e3de42b6 | 11965 | } |
5e2b584e DV |
11966 | } |
11967 | ||
835c5873 | 11968 | if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) |
5e2b584e DV |
11969 | config->fb_changed = true; |
11970 | ||
11971 | if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { | |
11972 | DRM_DEBUG_KMS("modes are different, full mode set\n"); | |
11973 | drm_mode_debug_printmodeline(&set->crtc->mode); | |
11974 | drm_mode_debug_printmodeline(set->mode); | |
11975 | config->mode_changed = true; | |
11976 | } | |
a1d95703 CW |
11977 | |
11978 | DRM_DEBUG_KMS("computed changes for [CRTC:%d], mode_changed=%d, fb_changed=%d\n", | |
11979 | set->crtc->base.id, config->mode_changed, config->fb_changed); | |
5e2b584e DV |
11980 | } |
11981 | ||
2e431051 | 11982 | static int |
9a935856 DV |
11983 | intel_modeset_stage_output_state(struct drm_device *dev, |
11984 | struct drm_mode_set *set, | |
944b0c76 ACO |
11985 | struct intel_set_config *config, |
11986 | struct drm_atomic_state *state) | |
50f56119 | 11987 | { |
9a935856 | 11988 | struct intel_connector *connector; |
944b0c76 | 11989 | struct drm_connector_state *connector_state; |
9a935856 | 11990 | struct intel_encoder *encoder; |
7668851f | 11991 | struct intel_crtc *crtc; |
f3f08572 | 11992 | int ro; |
50f56119 | 11993 | |
9abdda74 | 11994 | /* The upper layers ensure that we either disable a crtc or have a list |
9a935856 DV |
11995 | * of connectors. For paranoia, double-check this. */ |
11996 | WARN_ON(!set->fb && (set->num_connectors != 0)); | |
11997 | WARN_ON(set->fb && (set->num_connectors == 0)); | |
11998 | ||
3a3371ff | 11999 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
12000 | /* Otherwise traverse passed in connector list and get encoders |
12001 | * for them. */ | |
50f56119 | 12002 | for (ro = 0; ro < set->num_connectors; ro++) { |
9a935856 | 12003 | if (set->connectors[ro] == &connector->base) { |
0e32b39c | 12004 | connector->new_encoder = intel_find_encoder(connector, to_intel_crtc(set->crtc)->pipe); |
50f56119 DV |
12005 | break; |
12006 | } | |
12007 | } | |
12008 | ||
9a935856 DV |
12009 | /* If we disable the crtc, disable all its connectors. Also, if |
12010 | * the connector is on the changing crtc but not on the new | |
12011 | * connector list, disable it. */ | |
12012 | if ((!set->fb || ro == set->num_connectors) && | |
12013 | connector->base.encoder && | |
12014 | connector->base.encoder->crtc == set->crtc) { | |
12015 | connector->new_encoder = NULL; | |
12016 | ||
12017 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", | |
12018 | connector->base.base.id, | |
c23cc417 | 12019 | connector->base.name); |
9a935856 DV |
12020 | } |
12021 | ||
12022 | ||
12023 | if (&connector->new_encoder->base != connector->base.encoder) { | |
10634189 ACO |
12024 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] encoder changed, full mode switch\n", |
12025 | connector->base.base.id, | |
12026 | connector->base.name); | |
5e2b584e | 12027 | config->mode_changed = true; |
50f56119 DV |
12028 | } |
12029 | } | |
9a935856 | 12030 | /* connector->new_encoder is now updated for all connectors. */ |
50f56119 | 12031 | |
9a935856 | 12032 | /* Update crtc of enabled connectors. */ |
3a3371ff | 12033 | for_each_intel_connector(dev, connector) { |
7668851f VS |
12034 | struct drm_crtc *new_crtc; |
12035 | ||
9a935856 | 12036 | if (!connector->new_encoder) |
50f56119 DV |
12037 | continue; |
12038 | ||
9a935856 | 12039 | new_crtc = connector->new_encoder->base.crtc; |
50f56119 DV |
12040 | |
12041 | for (ro = 0; ro < set->num_connectors; ro++) { | |
9a935856 | 12042 | if (set->connectors[ro] == &connector->base) |
50f56119 DV |
12043 | new_crtc = set->crtc; |
12044 | } | |
12045 | ||
12046 | /* Make sure the new CRTC will work with the encoder */ | |
14509916 TR |
12047 | if (!drm_encoder_crtc_ok(&connector->new_encoder->base, |
12048 | new_crtc)) { | |
5e2b584e | 12049 | return -EINVAL; |
50f56119 | 12050 | } |
0e32b39c | 12051 | connector->new_encoder->new_crtc = to_intel_crtc(new_crtc); |
9a935856 | 12052 | |
944b0c76 ACO |
12053 | connector_state = |
12054 | drm_atomic_get_connector_state(state, &connector->base); | |
12055 | if (IS_ERR(connector_state)) | |
12056 | return PTR_ERR(connector_state); | |
12057 | ||
12058 | connector_state->crtc = new_crtc; | |
12059 | connector_state->best_encoder = &connector->new_encoder->base; | |
12060 | ||
9a935856 DV |
12061 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", |
12062 | connector->base.base.id, | |
c23cc417 | 12063 | connector->base.name, |
9a935856 DV |
12064 | new_crtc->base.id); |
12065 | } | |
12066 | ||
12067 | /* Check for any encoders that needs to be disabled. */ | |
b2784e15 | 12068 | for_each_intel_encoder(dev, encoder) { |
5a65f358 | 12069 | int num_connectors = 0; |
3a3371ff | 12070 | for_each_intel_connector(dev, connector) { |
9a935856 DV |
12071 | if (connector->new_encoder == encoder) { |
12072 | WARN_ON(!connector->new_encoder->new_crtc); | |
5a65f358 | 12073 | num_connectors++; |
9a935856 DV |
12074 | } |
12075 | } | |
5a65f358 PZ |
12076 | |
12077 | if (num_connectors == 0) | |
12078 | encoder->new_crtc = NULL; | |
12079 | else if (num_connectors > 1) | |
12080 | return -EINVAL; | |
12081 | ||
9a935856 DV |
12082 | /* Only now check for crtc changes so we don't miss encoders |
12083 | * that will be disabled. */ | |
12084 | if (&encoder->new_crtc->base != encoder->base.crtc) { | |
10634189 ACO |
12085 | DRM_DEBUG_KMS("[ENCODER:%d:%s] crtc changed, full mode switch\n", |
12086 | encoder->base.base.id, | |
12087 | encoder->base.name); | |
5e2b584e | 12088 | config->mode_changed = true; |
50f56119 DV |
12089 | } |
12090 | } | |
9a935856 | 12091 | /* Now we've also updated encoder->new_crtc for all encoders. */ |
3a3371ff | 12092 | for_each_intel_connector(dev, connector) { |
944b0c76 ACO |
12093 | connector_state = |
12094 | drm_atomic_get_connector_state(state, &connector->base); | |
9d918c15 ACO |
12095 | if (IS_ERR(connector_state)) |
12096 | return PTR_ERR(connector_state); | |
944b0c76 ACO |
12097 | |
12098 | if (connector->new_encoder) { | |
0e32b39c DA |
12099 | if (connector->new_encoder != connector->encoder) |
12100 | connector->encoder = connector->new_encoder; | |
944b0c76 ACO |
12101 | } else { |
12102 | connector_state->crtc = NULL; | |
12103 | } | |
0e32b39c | 12104 | } |
d3fcc808 | 12105 | for_each_intel_crtc(dev, crtc) { |
7668851f VS |
12106 | crtc->new_enabled = false; |
12107 | ||
b2784e15 | 12108 | for_each_intel_encoder(dev, encoder) { |
7668851f VS |
12109 | if (encoder->new_crtc == crtc) { |
12110 | crtc->new_enabled = true; | |
12111 | break; | |
12112 | } | |
12113 | } | |
12114 | ||
83d65738 | 12115 | if (crtc->new_enabled != crtc->base.state->enable) { |
10634189 ACO |
12116 | DRM_DEBUG_KMS("[CRTC:%d] %sabled, full mode switch\n", |
12117 | crtc->base.base.id, | |
7668851f VS |
12118 | crtc->new_enabled ? "en" : "dis"); |
12119 | config->mode_changed = true; | |
12120 | } | |
7bd0a8e7 VS |
12121 | |
12122 | if (crtc->new_enabled) | |
6e3c9717 | 12123 | crtc->new_config = crtc->config; |
7bd0a8e7 VS |
12124 | else |
12125 | crtc->new_config = NULL; | |
7668851f VS |
12126 | } |
12127 | ||
2e431051 DV |
12128 | return 0; |
12129 | } | |
12130 | ||
7d00a1f5 VS |
12131 | static void disable_crtc_nofb(struct intel_crtc *crtc) |
12132 | { | |
12133 | struct drm_device *dev = crtc->base.dev; | |
12134 | struct intel_encoder *encoder; | |
12135 | struct intel_connector *connector; | |
12136 | ||
12137 | DRM_DEBUG_KMS("Trying to restore without FB -> disabling pipe %c\n", | |
12138 | pipe_name(crtc->pipe)); | |
12139 | ||
3a3371ff | 12140 | for_each_intel_connector(dev, connector) { |
7d00a1f5 VS |
12141 | if (connector->new_encoder && |
12142 | connector->new_encoder->new_crtc == crtc) | |
12143 | connector->new_encoder = NULL; | |
12144 | } | |
12145 | ||
b2784e15 | 12146 | for_each_intel_encoder(dev, encoder) { |
7d00a1f5 VS |
12147 | if (encoder->new_crtc == crtc) |
12148 | encoder->new_crtc = NULL; | |
12149 | } | |
12150 | ||
12151 | crtc->new_enabled = false; | |
7bd0a8e7 | 12152 | crtc->new_config = NULL; |
7d00a1f5 VS |
12153 | } |
12154 | ||
2e431051 DV |
12155 | static int intel_crtc_set_config(struct drm_mode_set *set) |
12156 | { | |
12157 | struct drm_device *dev; | |
2e431051 | 12158 | struct drm_mode_set save_set; |
83a57153 | 12159 | struct drm_atomic_state *state = NULL; |
2e431051 | 12160 | struct intel_set_config *config; |
5cec258b | 12161 | struct intel_crtc_state *pipe_config; |
50f52756 | 12162 | unsigned modeset_pipes, prepare_pipes, disable_pipes; |
2e431051 | 12163 | int ret; |
2e431051 | 12164 | |
8d3e375e DV |
12165 | BUG_ON(!set); |
12166 | BUG_ON(!set->crtc); | |
12167 | BUG_ON(!set->crtc->helper_private); | |
2e431051 | 12168 | |
7e53f3a4 DV |
12169 | /* Enforce sane interface api - has been abused by the fb helper. */ |
12170 | BUG_ON(!set->mode && set->fb); | |
12171 | BUG_ON(set->fb && set->num_connectors == 0); | |
431e50f7 | 12172 | |
2e431051 DV |
12173 | if (set->fb) { |
12174 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", | |
12175 | set->crtc->base.id, set->fb->base.id, | |
12176 | (int)set->num_connectors, set->x, set->y); | |
12177 | } else { | |
12178 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); | |
2e431051 DV |
12179 | } |
12180 | ||
12181 | dev = set->crtc->dev; | |
12182 | ||
12183 | ret = -ENOMEM; | |
12184 | config = kzalloc(sizeof(*config), GFP_KERNEL); | |
12185 | if (!config) | |
12186 | goto out_config; | |
12187 | ||
12188 | ret = intel_set_config_save_state(dev, config); | |
12189 | if (ret) | |
12190 | goto out_config; | |
12191 | ||
12192 | save_set.crtc = set->crtc; | |
12193 | save_set.mode = &set->crtc->mode; | |
12194 | save_set.x = set->crtc->x; | |
12195 | save_set.y = set->crtc->y; | |
f4510a27 | 12196 | save_set.fb = set->crtc->primary->fb; |
2e431051 DV |
12197 | |
12198 | /* Compute whether we need a full modeset, only an fb base update or no | |
12199 | * change at all. In the future we might also check whether only the | |
12200 | * mode changed, e.g. for LVDS where we only change the panel fitter in | |
12201 | * such cases. */ | |
12202 | intel_set_config_compute_mode_changes(set, config); | |
12203 | ||
83a57153 ACO |
12204 | state = drm_atomic_state_alloc(dev); |
12205 | if (!state) { | |
12206 | ret = -ENOMEM; | |
12207 | goto out_config; | |
12208 | } | |
12209 | ||
12210 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
12211 | ||
944b0c76 | 12212 | ret = intel_modeset_stage_output_state(dev, set, config, state); |
2e431051 DV |
12213 | if (ret) |
12214 | goto fail; | |
12215 | ||
50f52756 | 12216 | pipe_config = intel_modeset_compute_config(set->crtc, set->mode, |
83a57153 | 12217 | set->fb, state, |
50f52756 JB |
12218 | &modeset_pipes, |
12219 | &prepare_pipes, | |
12220 | &disable_pipes); | |
20664591 | 12221 | if (IS_ERR(pipe_config)) { |
6ac0483b | 12222 | ret = PTR_ERR(pipe_config); |
50f52756 | 12223 | goto fail; |
20664591 | 12224 | } else if (pipe_config) { |
b9950a13 | 12225 | if (pipe_config->has_audio != |
6e3c9717 | 12226 | to_intel_crtc(set->crtc)->config->has_audio) |
20664591 JB |
12227 | config->mode_changed = true; |
12228 | ||
af15d2ce JB |
12229 | /* |
12230 | * Note we have an issue here with infoframes: current code | |
12231 | * only updates them on the full mode set path per hw | |
12232 | * requirements. So here we should be checking for any | |
12233 | * required changes and forcing a mode set. | |
12234 | */ | |
20664591 | 12235 | } |
50f52756 | 12236 | |
1f9954d0 JB |
12237 | intel_update_pipe_size(to_intel_crtc(set->crtc)); |
12238 | ||
5e2b584e | 12239 | if (config->mode_changed) { |
50f52756 JB |
12240 | ret = intel_set_mode_pipes(set->crtc, set->mode, |
12241 | set->x, set->y, set->fb, pipe_config, | |
12242 | modeset_pipes, prepare_pipes, | |
12243 | disable_pipes); | |
5e2b584e | 12244 | } else if (config->fb_changed) { |
3b150f08 | 12245 | struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); |
455a6808 GP |
12246 | struct drm_plane *primary = set->crtc->primary; |
12247 | int vdisplay, hdisplay; | |
3b150f08 | 12248 | |
455a6808 GP |
12249 | drm_crtc_get_hv_timing(set->mode, &hdisplay, &vdisplay); |
12250 | ret = primary->funcs->update_plane(primary, set->crtc, set->fb, | |
12251 | 0, 0, hdisplay, vdisplay, | |
12252 | set->x << 16, set->y << 16, | |
12253 | hdisplay << 16, vdisplay << 16); | |
3b150f08 MR |
12254 | |
12255 | /* | |
12256 | * We need to make sure the primary plane is re-enabled if it | |
12257 | * has previously been turned off. | |
12258 | */ | |
12259 | if (!intel_crtc->primary_enabled && ret == 0) { | |
12260 | WARN_ON(!intel_crtc->active); | |
fdd508a6 | 12261 | intel_enable_primary_hw_plane(set->crtc->primary, set->crtc); |
3b150f08 MR |
12262 | } |
12263 | ||
7ca51a3a JB |
12264 | /* |
12265 | * In the fastboot case this may be our only check of the | |
12266 | * state after boot. It would be better to only do it on | |
12267 | * the first update, but we don't have a nice way of doing that | |
12268 | * (and really, set_config isn't used much for high freq page | |
12269 | * flipping, so increasing its cost here shouldn't be a big | |
12270 | * deal). | |
12271 | */ | |
d330a953 | 12272 | if (i915.fastboot && ret == 0) |
7ca51a3a | 12273 | intel_modeset_check_state(set->crtc->dev); |
50f56119 DV |
12274 | } |
12275 | ||
2d05eae1 | 12276 | if (ret) { |
bf67dfeb DV |
12277 | DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", |
12278 | set->crtc->base.id, ret); | |
50f56119 | 12279 | fail: |
2d05eae1 | 12280 | intel_set_config_restore_state(dev, config); |
50f56119 | 12281 | |
83a57153 ACO |
12282 | drm_atomic_state_clear(state); |
12283 | ||
7d00a1f5 VS |
12284 | /* |
12285 | * HACK: if the pipe was on, but we didn't have a framebuffer, | |
12286 | * force the pipe off to avoid oopsing in the modeset code | |
12287 | * due to fb==NULL. This should only happen during boot since | |
12288 | * we don't yet reconstruct the FB from the hardware state. | |
12289 | */ | |
12290 | if (to_intel_crtc(save_set.crtc)->new_enabled && !save_set.fb) | |
12291 | disable_crtc_nofb(to_intel_crtc(save_set.crtc)); | |
12292 | ||
2d05eae1 CW |
12293 | /* Try to restore the config */ |
12294 | if (config->mode_changed && | |
12295 | intel_set_mode(save_set.crtc, save_set.mode, | |
83a57153 ACO |
12296 | save_set.x, save_set.y, save_set.fb, |
12297 | state)) | |
2d05eae1 CW |
12298 | DRM_ERROR("failed to restore config after modeset failure\n"); |
12299 | } | |
50f56119 | 12300 | |
d9e55608 | 12301 | out_config: |
83a57153 ACO |
12302 | if (state) |
12303 | drm_atomic_state_free(state); | |
12304 | ||
d9e55608 | 12305 | intel_set_config_free(config); |
50f56119 DV |
12306 | return ret; |
12307 | } | |
f6e5b160 CW |
12308 | |
12309 | static const struct drm_crtc_funcs intel_crtc_funcs = { | |
f6e5b160 | 12310 | .gamma_set = intel_crtc_gamma_set, |
50f56119 | 12311 | .set_config = intel_crtc_set_config, |
f6e5b160 CW |
12312 | .destroy = intel_crtc_destroy, |
12313 | .page_flip = intel_crtc_page_flip, | |
1356837e MR |
12314 | .atomic_duplicate_state = intel_crtc_duplicate_state, |
12315 | .atomic_destroy_state = intel_crtc_destroy_state, | |
f6e5b160 CW |
12316 | }; |
12317 | ||
5358901f DV |
12318 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
12319 | struct intel_shared_dpll *pll, | |
12320 | struct intel_dpll_hw_state *hw_state) | |
ee7b9f93 | 12321 | { |
5358901f | 12322 | uint32_t val; |
ee7b9f93 | 12323 | |
f458ebbc | 12324 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) |
bd2bb1b9 PZ |
12325 | return false; |
12326 | ||
5358901f | 12327 | val = I915_READ(PCH_DPLL(pll->id)); |
66e985c0 DV |
12328 | hw_state->dpll = val; |
12329 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); | |
12330 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); | |
5358901f DV |
12331 | |
12332 | return val & DPLL_VCO_ENABLE; | |
12333 | } | |
12334 | ||
15bdd4cf DV |
12335 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
12336 | struct intel_shared_dpll *pll) | |
12337 | { | |
3e369b76 ACO |
12338 | I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0); |
12339 | I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1); | |
15bdd4cf DV |
12340 | } |
12341 | ||
e7b903d2 DV |
12342 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
12343 | struct intel_shared_dpll *pll) | |
12344 | { | |
e7b903d2 | 12345 | /* PCH refclock must be enabled first */ |
89eff4be | 12346 | ibx_assert_pch_refclk_enabled(dev_priv); |
e7b903d2 | 12347 | |
3e369b76 | 12348 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf DV |
12349 | |
12350 | /* Wait for the clocks to stabilize. */ | |
12351 | POSTING_READ(PCH_DPLL(pll->id)); | |
12352 | udelay(150); | |
12353 | ||
12354 | /* The pixel multiplier can only be updated once the | |
12355 | * DPLL is enabled and the clocks are stable. | |
12356 | * | |
12357 | * So write it again. | |
12358 | */ | |
3e369b76 | 12359 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf | 12360 | POSTING_READ(PCH_DPLL(pll->id)); |
e7b903d2 DV |
12361 | udelay(200); |
12362 | } | |
12363 | ||
12364 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, | |
12365 | struct intel_shared_dpll *pll) | |
12366 | { | |
12367 | struct drm_device *dev = dev_priv->dev; | |
12368 | struct intel_crtc *crtc; | |
e7b903d2 DV |
12369 | |
12370 | /* Make sure no transcoder isn't still depending on us. */ | |
d3fcc808 | 12371 | for_each_intel_crtc(dev, crtc) { |
e7b903d2 DV |
12372 | if (intel_crtc_to_shared_dpll(crtc) == pll) |
12373 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); | |
ee7b9f93 JB |
12374 | } |
12375 | ||
15bdd4cf DV |
12376 | I915_WRITE(PCH_DPLL(pll->id), 0); |
12377 | POSTING_READ(PCH_DPLL(pll->id)); | |
e7b903d2 DV |
12378 | udelay(200); |
12379 | } | |
12380 | ||
46edb027 DV |
12381 | static char *ibx_pch_dpll_names[] = { |
12382 | "PCH DPLL A", | |
12383 | "PCH DPLL B", | |
12384 | }; | |
12385 | ||
7c74ade1 | 12386 | static void ibx_pch_dpll_init(struct drm_device *dev) |
ee7b9f93 | 12387 | { |
e7b903d2 | 12388 | struct drm_i915_private *dev_priv = dev->dev_private; |
ee7b9f93 JB |
12389 | int i; |
12390 | ||
7c74ade1 | 12391 | dev_priv->num_shared_dpll = 2; |
ee7b9f93 | 12392 | |
e72f9fbf | 12393 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
46edb027 DV |
12394 | dev_priv->shared_dplls[i].id = i; |
12395 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; | |
15bdd4cf | 12396 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
e7b903d2 DV |
12397 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
12398 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; | |
5358901f DV |
12399 | dev_priv->shared_dplls[i].get_hw_state = |
12400 | ibx_pch_dpll_get_hw_state; | |
ee7b9f93 JB |
12401 | } |
12402 | } | |
12403 | ||
7c74ade1 DV |
12404 | static void intel_shared_dpll_init(struct drm_device *dev) |
12405 | { | |
e7b903d2 | 12406 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c74ade1 | 12407 | |
9cd86933 DV |
12408 | if (HAS_DDI(dev)) |
12409 | intel_ddi_pll_init(dev); | |
12410 | else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
7c74ade1 DV |
12411 | ibx_pch_dpll_init(dev); |
12412 | else | |
12413 | dev_priv->num_shared_dpll = 0; | |
12414 | ||
12415 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); | |
7c74ade1 DV |
12416 | } |
12417 | ||
1fc0a8f7 TU |
12418 | /** |
12419 | * intel_wm_need_update - Check whether watermarks need updating | |
12420 | * @plane: drm plane | |
12421 | * @state: new plane state | |
12422 | * | |
12423 | * Check current plane state versus the new one to determine whether | |
12424 | * watermarks need to be recalculated. | |
12425 | * | |
12426 | * Returns true or false. | |
12427 | */ | |
12428 | bool intel_wm_need_update(struct drm_plane *plane, | |
12429 | struct drm_plane_state *state) | |
12430 | { | |
12431 | /* Update watermarks on tiling changes. */ | |
12432 | if (!plane->state->fb || !state->fb || | |
12433 | plane->state->fb->modifier[0] != state->fb->modifier[0] || | |
12434 | plane->state->rotation != state->rotation) | |
12435 | return true; | |
12436 | ||
12437 | return false; | |
12438 | } | |
12439 | ||
6beb8c23 MR |
12440 | /** |
12441 | * intel_prepare_plane_fb - Prepare fb for usage on plane | |
12442 | * @plane: drm plane to prepare for | |
12443 | * @fb: framebuffer to prepare for presentation | |
12444 | * | |
12445 | * Prepares a framebuffer for usage on a display plane. Generally this | |
12446 | * involves pinning the underlying object and updating the frontbuffer tracking | |
12447 | * bits. Some older platforms need special physical address handling for | |
12448 | * cursor planes. | |
12449 | * | |
12450 | * Returns 0 on success, negative error code on failure. | |
12451 | */ | |
12452 | int | |
12453 | intel_prepare_plane_fb(struct drm_plane *plane, | |
d136dfee TU |
12454 | struct drm_framebuffer *fb, |
12455 | const struct drm_plane_state *new_state) | |
465c120c MR |
12456 | { |
12457 | struct drm_device *dev = plane->dev; | |
6beb8c23 MR |
12458 | struct intel_plane *intel_plane = to_intel_plane(plane); |
12459 | enum pipe pipe = intel_plane->pipe; | |
12460 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
12461 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb); | |
12462 | unsigned frontbuffer_bits = 0; | |
12463 | int ret = 0; | |
465c120c | 12464 | |
ea2c67bb | 12465 | if (!obj) |
465c120c MR |
12466 | return 0; |
12467 | ||
6beb8c23 MR |
12468 | switch (plane->type) { |
12469 | case DRM_PLANE_TYPE_PRIMARY: | |
12470 | frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(pipe); | |
12471 | break; | |
12472 | case DRM_PLANE_TYPE_CURSOR: | |
12473 | frontbuffer_bits = INTEL_FRONTBUFFER_CURSOR(pipe); | |
12474 | break; | |
12475 | case DRM_PLANE_TYPE_OVERLAY: | |
12476 | frontbuffer_bits = INTEL_FRONTBUFFER_SPRITE(pipe); | |
12477 | break; | |
12478 | } | |
465c120c | 12479 | |
6beb8c23 | 12480 | mutex_lock(&dev->struct_mutex); |
465c120c | 12481 | |
6beb8c23 MR |
12482 | if (plane->type == DRM_PLANE_TYPE_CURSOR && |
12483 | INTEL_INFO(dev)->cursor_needs_physical) { | |
12484 | int align = IS_I830(dev) ? 16 * 1024 : 256; | |
12485 | ret = i915_gem_object_attach_phys(obj, align); | |
12486 | if (ret) | |
12487 | DRM_DEBUG_KMS("failed to attach phys object\n"); | |
12488 | } else { | |
82bc3b2d | 12489 | ret = intel_pin_and_fence_fb_obj(plane, fb, new_state, NULL); |
6beb8c23 | 12490 | } |
465c120c | 12491 | |
6beb8c23 MR |
12492 | if (ret == 0) |
12493 | i915_gem_track_fb(old_obj, obj, frontbuffer_bits); | |
fdd508a6 | 12494 | |
4c34574f | 12495 | mutex_unlock(&dev->struct_mutex); |
465c120c | 12496 | |
6beb8c23 MR |
12497 | return ret; |
12498 | } | |
12499 | ||
38f3ce3a MR |
12500 | /** |
12501 | * intel_cleanup_plane_fb - Cleans up an fb after plane use | |
12502 | * @plane: drm plane to clean up for | |
12503 | * @fb: old framebuffer that was on plane | |
12504 | * | |
12505 | * Cleans up a framebuffer that has just been removed from a plane. | |
12506 | */ | |
12507 | void | |
12508 | intel_cleanup_plane_fb(struct drm_plane *plane, | |
d136dfee TU |
12509 | struct drm_framebuffer *fb, |
12510 | const struct drm_plane_state *old_state) | |
38f3ce3a MR |
12511 | { |
12512 | struct drm_device *dev = plane->dev; | |
12513 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
12514 | ||
12515 | if (WARN_ON(!obj)) | |
12516 | return; | |
12517 | ||
12518 | if (plane->type != DRM_PLANE_TYPE_CURSOR || | |
12519 | !INTEL_INFO(dev)->cursor_needs_physical) { | |
12520 | mutex_lock(&dev->struct_mutex); | |
82bc3b2d | 12521 | intel_unpin_fb_obj(fb, old_state); |
38f3ce3a MR |
12522 | mutex_unlock(&dev->struct_mutex); |
12523 | } | |
465c120c MR |
12524 | } |
12525 | ||
12526 | static int | |
3c692a41 GP |
12527 | intel_check_primary_plane(struct drm_plane *plane, |
12528 | struct intel_plane_state *state) | |
12529 | { | |
32b7eeec MR |
12530 | struct drm_device *dev = plane->dev; |
12531 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2b875c22 | 12532 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb | 12533 | struct intel_crtc *intel_crtc; |
2b875c22 | 12534 | struct drm_framebuffer *fb = state->base.fb; |
3c692a41 GP |
12535 | struct drm_rect *dest = &state->dst; |
12536 | struct drm_rect *src = &state->src; | |
12537 | const struct drm_rect *clip = &state->clip; | |
465c120c MR |
12538 | int ret; |
12539 | ||
ea2c67bb MR |
12540 | crtc = crtc ? crtc : plane->crtc; |
12541 | intel_crtc = to_intel_crtc(crtc); | |
12542 | ||
c59cb179 MR |
12543 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
12544 | src, dest, clip, | |
12545 | DRM_PLANE_HELPER_NO_SCALING, | |
12546 | DRM_PLANE_HELPER_NO_SCALING, | |
12547 | false, true, &state->visible); | |
12548 | if (ret) | |
12549 | return ret; | |
465c120c | 12550 | |
32b7eeec MR |
12551 | if (intel_crtc->active) { |
12552 | intel_crtc->atomic.wait_for_flips = true; | |
12553 | ||
12554 | /* | |
12555 | * FBC does not work on some platforms for rotated | |
12556 | * planes, so disable it when rotation is not 0 and | |
12557 | * update it when rotation is set back to 0. | |
12558 | * | |
12559 | * FIXME: This is redundant with the fbc update done in | |
12560 | * the primary plane enable function except that that | |
12561 | * one is done too late. We eventually need to unify | |
12562 | * this. | |
12563 | */ | |
12564 | if (intel_crtc->primary_enabled && | |
12565 | INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && | |
e35fef21 | 12566 | dev_priv->fbc.crtc == intel_crtc && |
8e7d688b | 12567 | state->base.rotation != BIT(DRM_ROTATE_0)) { |
32b7eeec MR |
12568 | intel_crtc->atomic.disable_fbc = true; |
12569 | } | |
12570 | ||
12571 | if (state->visible) { | |
12572 | /* | |
12573 | * BDW signals flip done immediately if the plane | |
12574 | * is disabled, even if the plane enable is already | |
12575 | * armed to occur at the next vblank :( | |
12576 | */ | |
12577 | if (IS_BROADWELL(dev) && !intel_crtc->primary_enabled) | |
12578 | intel_crtc->atomic.wait_vblank = true; | |
12579 | } | |
12580 | ||
12581 | intel_crtc->atomic.fb_bits |= | |
12582 | INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); | |
12583 | ||
12584 | intel_crtc->atomic.update_fbc = true; | |
0fda6568 | 12585 | |
1fc0a8f7 | 12586 | if (intel_wm_need_update(plane, &state->base)) |
0fda6568 | 12587 | intel_crtc->atomic.update_wm = true; |
ccc759dc GP |
12588 | } |
12589 | ||
14af293f GP |
12590 | return 0; |
12591 | } | |
12592 | ||
12593 | static void | |
12594 | intel_commit_primary_plane(struct drm_plane *plane, | |
12595 | struct intel_plane_state *state) | |
12596 | { | |
2b875c22 MR |
12597 | struct drm_crtc *crtc = state->base.crtc; |
12598 | struct drm_framebuffer *fb = state->base.fb; | |
12599 | struct drm_device *dev = plane->dev; | |
14af293f | 12600 | struct drm_i915_private *dev_priv = dev->dev_private; |
ea2c67bb | 12601 | struct intel_crtc *intel_crtc; |
14af293f GP |
12602 | struct drm_rect *src = &state->src; |
12603 | ||
ea2c67bb MR |
12604 | crtc = crtc ? crtc : plane->crtc; |
12605 | intel_crtc = to_intel_crtc(crtc); | |
cf4c7c12 MR |
12606 | |
12607 | plane->fb = fb; | |
9dc806fc MR |
12608 | crtc->x = src->x1 >> 16; |
12609 | crtc->y = src->y1 >> 16; | |
ccc759dc | 12610 | |
ccc759dc | 12611 | if (intel_crtc->active) { |
ccc759dc | 12612 | if (state->visible) { |
ccc759dc GP |
12613 | /* FIXME: kill this fastboot hack */ |
12614 | intel_update_pipe_size(intel_crtc); | |
465c120c | 12615 | |
ccc759dc | 12616 | intel_crtc->primary_enabled = true; |
465c120c | 12617 | |
ccc759dc GP |
12618 | dev_priv->display.update_primary_plane(crtc, plane->fb, |
12619 | crtc->x, crtc->y); | |
ccc759dc GP |
12620 | } else { |
12621 | /* | |
12622 | * If clipping results in a non-visible primary plane, | |
12623 | * we'll disable the primary plane. Note that this is | |
12624 | * a bit different than what happens if userspace | |
12625 | * explicitly disables the plane by passing fb=0 | |
12626 | * because plane->fb still gets set and pinned. | |
12627 | */ | |
12628 | intel_disable_primary_hw_plane(plane, crtc); | |
48404c1e | 12629 | } |
ccc759dc | 12630 | } |
465c120c MR |
12631 | } |
12632 | ||
32b7eeec | 12633 | static void intel_begin_crtc_commit(struct drm_crtc *crtc) |
3c692a41 | 12634 | { |
32b7eeec | 12635 | struct drm_device *dev = crtc->dev; |
140fd38d | 12636 | struct drm_i915_private *dev_priv = dev->dev_private; |
3c692a41 | 12637 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ea2c67bb MR |
12638 | struct intel_plane *intel_plane; |
12639 | struct drm_plane *p; | |
12640 | unsigned fb_bits = 0; | |
12641 | ||
12642 | /* Track fb's for any planes being disabled */ | |
12643 | list_for_each_entry(p, &dev->mode_config.plane_list, head) { | |
12644 | intel_plane = to_intel_plane(p); | |
12645 | ||
12646 | if (intel_crtc->atomic.disabled_planes & | |
12647 | (1 << drm_plane_index(p))) { | |
12648 | switch (p->type) { | |
12649 | case DRM_PLANE_TYPE_PRIMARY: | |
12650 | fb_bits = INTEL_FRONTBUFFER_PRIMARY(intel_plane->pipe); | |
12651 | break; | |
12652 | case DRM_PLANE_TYPE_CURSOR: | |
12653 | fb_bits = INTEL_FRONTBUFFER_CURSOR(intel_plane->pipe); | |
12654 | break; | |
12655 | case DRM_PLANE_TYPE_OVERLAY: | |
12656 | fb_bits = INTEL_FRONTBUFFER_SPRITE(intel_plane->pipe); | |
12657 | break; | |
12658 | } | |
3c692a41 | 12659 | |
ea2c67bb MR |
12660 | mutex_lock(&dev->struct_mutex); |
12661 | i915_gem_track_fb(intel_fb_obj(p->fb), NULL, fb_bits); | |
12662 | mutex_unlock(&dev->struct_mutex); | |
12663 | } | |
12664 | } | |
3c692a41 | 12665 | |
32b7eeec MR |
12666 | if (intel_crtc->atomic.wait_for_flips) |
12667 | intel_crtc_wait_for_pending_flips(crtc); | |
3c692a41 | 12668 | |
32b7eeec MR |
12669 | if (intel_crtc->atomic.disable_fbc) |
12670 | intel_fbc_disable(dev); | |
3c692a41 | 12671 | |
32b7eeec MR |
12672 | if (intel_crtc->atomic.pre_disable_primary) |
12673 | intel_pre_disable_primary(crtc); | |
3c692a41 | 12674 | |
32b7eeec MR |
12675 | if (intel_crtc->atomic.update_wm) |
12676 | intel_update_watermarks(crtc); | |
3c692a41 | 12677 | |
32b7eeec | 12678 | intel_runtime_pm_get(dev_priv); |
3c692a41 | 12679 | |
c34c9ee4 MR |
12680 | /* Perform vblank evasion around commit operation */ |
12681 | if (intel_crtc->active) | |
12682 | intel_crtc->atomic.evade = | |
12683 | intel_pipe_update_start(intel_crtc, | |
12684 | &intel_crtc->atomic.start_vbl_count); | |
32b7eeec MR |
12685 | } |
12686 | ||
12687 | static void intel_finish_crtc_commit(struct drm_crtc *crtc) | |
12688 | { | |
12689 | struct drm_device *dev = crtc->dev; | |
12690 | struct drm_i915_private *dev_priv = dev->dev_private; | |
12691 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
12692 | struct drm_plane *p; | |
12693 | ||
c34c9ee4 MR |
12694 | if (intel_crtc->atomic.evade) |
12695 | intel_pipe_update_end(intel_crtc, | |
12696 | intel_crtc->atomic.start_vbl_count); | |
3c692a41 | 12697 | |
140fd38d | 12698 | intel_runtime_pm_put(dev_priv); |
3c692a41 | 12699 | |
32b7eeec MR |
12700 | if (intel_crtc->atomic.wait_vblank) |
12701 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
12702 | ||
12703 | intel_frontbuffer_flip(dev, intel_crtc->atomic.fb_bits); | |
12704 | ||
12705 | if (intel_crtc->atomic.update_fbc) { | |
ccc759dc | 12706 | mutex_lock(&dev->struct_mutex); |
7ff0ebcc | 12707 | intel_fbc_update(dev); |
ccc759dc | 12708 | mutex_unlock(&dev->struct_mutex); |
38f3ce3a | 12709 | } |
3c692a41 | 12710 | |
32b7eeec MR |
12711 | if (intel_crtc->atomic.post_enable_primary) |
12712 | intel_post_enable_primary(crtc); | |
3c692a41 | 12713 | |
32b7eeec MR |
12714 | drm_for_each_legacy_plane(p, &dev->mode_config.plane_list) |
12715 | if (intel_crtc->atomic.update_sprite_watermarks & drm_plane_index(p)) | |
12716 | intel_update_sprite_watermarks(p, crtc, 0, 0, 0, | |
12717 | false, false); | |
12718 | ||
12719 | memset(&intel_crtc->atomic, 0, sizeof(intel_crtc->atomic)); | |
3c692a41 GP |
12720 | } |
12721 | ||
cf4c7c12 | 12722 | /** |
4a3b8769 MR |
12723 | * intel_plane_destroy - destroy a plane |
12724 | * @plane: plane to destroy | |
cf4c7c12 | 12725 | * |
4a3b8769 MR |
12726 | * Common destruction function for all types of planes (primary, cursor, |
12727 | * sprite). | |
cf4c7c12 | 12728 | */ |
4a3b8769 | 12729 | void intel_plane_destroy(struct drm_plane *plane) |
465c120c MR |
12730 | { |
12731 | struct intel_plane *intel_plane = to_intel_plane(plane); | |
12732 | drm_plane_cleanup(plane); | |
12733 | kfree(intel_plane); | |
12734 | } | |
12735 | ||
65a3fea0 | 12736 | const struct drm_plane_funcs intel_plane_funcs = { |
ff42e093 DV |
12737 | .update_plane = drm_plane_helper_update, |
12738 | .disable_plane = drm_plane_helper_disable, | |
3d7d6510 | 12739 | .destroy = intel_plane_destroy, |
c196e1d6 | 12740 | .set_property = drm_atomic_helper_plane_set_property, |
a98b3431 MR |
12741 | .atomic_get_property = intel_plane_atomic_get_property, |
12742 | .atomic_set_property = intel_plane_atomic_set_property, | |
ea2c67bb MR |
12743 | .atomic_duplicate_state = intel_plane_duplicate_state, |
12744 | .atomic_destroy_state = intel_plane_destroy_state, | |
12745 | ||
465c120c MR |
12746 | }; |
12747 | ||
12748 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, | |
12749 | int pipe) | |
12750 | { | |
12751 | struct intel_plane *primary; | |
8e7d688b | 12752 | struct intel_plane_state *state; |
465c120c MR |
12753 | const uint32_t *intel_primary_formats; |
12754 | int num_formats; | |
12755 | ||
12756 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); | |
12757 | if (primary == NULL) | |
12758 | return NULL; | |
12759 | ||
8e7d688b MR |
12760 | state = intel_create_plane_state(&primary->base); |
12761 | if (!state) { | |
ea2c67bb MR |
12762 | kfree(primary); |
12763 | return NULL; | |
12764 | } | |
8e7d688b | 12765 | primary->base.state = &state->base; |
ea2c67bb | 12766 | |
465c120c MR |
12767 | primary->can_scale = false; |
12768 | primary->max_downscale = 1; | |
12769 | primary->pipe = pipe; | |
12770 | primary->plane = pipe; | |
c59cb179 MR |
12771 | primary->check_plane = intel_check_primary_plane; |
12772 | primary->commit_plane = intel_commit_primary_plane; | |
465c120c MR |
12773 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
12774 | primary->plane = !pipe; | |
12775 | ||
12776 | if (INTEL_INFO(dev)->gen <= 3) { | |
12777 | intel_primary_formats = intel_primary_formats_gen2; | |
12778 | num_formats = ARRAY_SIZE(intel_primary_formats_gen2); | |
12779 | } else { | |
12780 | intel_primary_formats = intel_primary_formats_gen4; | |
12781 | num_formats = ARRAY_SIZE(intel_primary_formats_gen4); | |
12782 | } | |
12783 | ||
12784 | drm_universal_plane_init(dev, &primary->base, 0, | |
65a3fea0 | 12785 | &intel_plane_funcs, |
465c120c MR |
12786 | intel_primary_formats, num_formats, |
12787 | DRM_PLANE_TYPE_PRIMARY); | |
48404c1e SJ |
12788 | |
12789 | if (INTEL_INFO(dev)->gen >= 4) { | |
12790 | if (!dev->mode_config.rotation_property) | |
12791 | dev->mode_config.rotation_property = | |
12792 | drm_mode_create_rotation_property(dev, | |
12793 | BIT(DRM_ROTATE_0) | | |
12794 | BIT(DRM_ROTATE_180)); | |
12795 | if (dev->mode_config.rotation_property) | |
12796 | drm_object_attach_property(&primary->base.base, | |
12797 | dev->mode_config.rotation_property, | |
8e7d688b | 12798 | state->base.rotation); |
48404c1e SJ |
12799 | } |
12800 | ||
ea2c67bb MR |
12801 | drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); |
12802 | ||
465c120c MR |
12803 | return &primary->base; |
12804 | } | |
12805 | ||
3d7d6510 | 12806 | static int |
852e787c GP |
12807 | intel_check_cursor_plane(struct drm_plane *plane, |
12808 | struct intel_plane_state *state) | |
3d7d6510 | 12809 | { |
2b875c22 | 12810 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb | 12811 | struct drm_device *dev = plane->dev; |
2b875c22 | 12812 | struct drm_framebuffer *fb = state->base.fb; |
852e787c GP |
12813 | struct drm_rect *dest = &state->dst; |
12814 | struct drm_rect *src = &state->src; | |
12815 | const struct drm_rect *clip = &state->clip; | |
757f9a3e | 12816 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
ea2c67bb | 12817 | struct intel_crtc *intel_crtc; |
757f9a3e GP |
12818 | unsigned stride; |
12819 | int ret; | |
3d7d6510 | 12820 | |
ea2c67bb MR |
12821 | crtc = crtc ? crtc : plane->crtc; |
12822 | intel_crtc = to_intel_crtc(crtc); | |
12823 | ||
757f9a3e | 12824 | ret = drm_plane_helper_check_update(plane, crtc, fb, |
852e787c | 12825 | src, dest, clip, |
3d7d6510 MR |
12826 | DRM_PLANE_HELPER_NO_SCALING, |
12827 | DRM_PLANE_HELPER_NO_SCALING, | |
852e787c | 12828 | true, true, &state->visible); |
757f9a3e GP |
12829 | if (ret) |
12830 | return ret; | |
12831 | ||
12832 | ||
12833 | /* if we want to turn off the cursor ignore width and height */ | |
12834 | if (!obj) | |
32b7eeec | 12835 | goto finish; |
757f9a3e | 12836 | |
757f9a3e | 12837 | /* Check for which cursor types we support */ |
ea2c67bb MR |
12838 | if (!cursor_size_ok(dev, state->base.crtc_w, state->base.crtc_h)) { |
12839 | DRM_DEBUG("Cursor dimension %dx%d not supported\n", | |
12840 | state->base.crtc_w, state->base.crtc_h); | |
757f9a3e GP |
12841 | return -EINVAL; |
12842 | } | |
12843 | ||
ea2c67bb MR |
12844 | stride = roundup_pow_of_two(state->base.crtc_w) * 4; |
12845 | if (obj->base.size < stride * state->base.crtc_h) { | |
757f9a3e GP |
12846 | DRM_DEBUG_KMS("buffer is too small\n"); |
12847 | return -ENOMEM; | |
12848 | } | |
12849 | ||
3a656b54 | 12850 | if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) { |
757f9a3e GP |
12851 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
12852 | ret = -EINVAL; | |
12853 | } | |
757f9a3e | 12854 | |
32b7eeec MR |
12855 | finish: |
12856 | if (intel_crtc->active) { | |
3749f463 | 12857 | if (plane->state->crtc_w != state->base.crtc_w) |
32b7eeec MR |
12858 | intel_crtc->atomic.update_wm = true; |
12859 | ||
12860 | intel_crtc->atomic.fb_bits |= | |
12861 | INTEL_FRONTBUFFER_CURSOR(intel_crtc->pipe); | |
12862 | } | |
12863 | ||
757f9a3e | 12864 | return ret; |
852e787c | 12865 | } |
3d7d6510 | 12866 | |
f4a2cf29 | 12867 | static void |
852e787c GP |
12868 | intel_commit_cursor_plane(struct drm_plane *plane, |
12869 | struct intel_plane_state *state) | |
12870 | { | |
2b875c22 | 12871 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb MR |
12872 | struct drm_device *dev = plane->dev; |
12873 | struct intel_crtc *intel_crtc; | |
2b875c22 | 12874 | struct drm_i915_gem_object *obj = intel_fb_obj(state->base.fb); |
a912f12f | 12875 | uint32_t addr; |
852e787c | 12876 | |
ea2c67bb MR |
12877 | crtc = crtc ? crtc : plane->crtc; |
12878 | intel_crtc = to_intel_crtc(crtc); | |
12879 | ||
2b875c22 | 12880 | plane->fb = state->base.fb; |
ea2c67bb MR |
12881 | crtc->cursor_x = state->base.crtc_x; |
12882 | crtc->cursor_y = state->base.crtc_y; | |
12883 | ||
a912f12f GP |
12884 | if (intel_crtc->cursor_bo == obj) |
12885 | goto update; | |
4ed91096 | 12886 | |
f4a2cf29 | 12887 | if (!obj) |
a912f12f | 12888 | addr = 0; |
f4a2cf29 | 12889 | else if (!INTEL_INFO(dev)->cursor_needs_physical) |
a912f12f | 12890 | addr = i915_gem_obj_ggtt_offset(obj); |
f4a2cf29 | 12891 | else |
a912f12f | 12892 | addr = obj->phys_handle->busaddr; |
852e787c | 12893 | |
a912f12f GP |
12894 | intel_crtc->cursor_addr = addr; |
12895 | intel_crtc->cursor_bo = obj; | |
12896 | update: | |
852e787c | 12897 | |
32b7eeec | 12898 | if (intel_crtc->active) |
a912f12f | 12899 | intel_crtc_update_cursor(crtc, state->visible); |
852e787c GP |
12900 | } |
12901 | ||
3d7d6510 MR |
12902 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
12903 | int pipe) | |
12904 | { | |
12905 | struct intel_plane *cursor; | |
8e7d688b | 12906 | struct intel_plane_state *state; |
3d7d6510 MR |
12907 | |
12908 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); | |
12909 | if (cursor == NULL) | |
12910 | return NULL; | |
12911 | ||
8e7d688b MR |
12912 | state = intel_create_plane_state(&cursor->base); |
12913 | if (!state) { | |
ea2c67bb MR |
12914 | kfree(cursor); |
12915 | return NULL; | |
12916 | } | |
8e7d688b | 12917 | cursor->base.state = &state->base; |
ea2c67bb | 12918 | |
3d7d6510 MR |
12919 | cursor->can_scale = false; |
12920 | cursor->max_downscale = 1; | |
12921 | cursor->pipe = pipe; | |
12922 | cursor->plane = pipe; | |
c59cb179 MR |
12923 | cursor->check_plane = intel_check_cursor_plane; |
12924 | cursor->commit_plane = intel_commit_cursor_plane; | |
3d7d6510 MR |
12925 | |
12926 | drm_universal_plane_init(dev, &cursor->base, 0, | |
65a3fea0 | 12927 | &intel_plane_funcs, |
3d7d6510 MR |
12928 | intel_cursor_formats, |
12929 | ARRAY_SIZE(intel_cursor_formats), | |
12930 | DRM_PLANE_TYPE_CURSOR); | |
4398ad45 VS |
12931 | |
12932 | if (INTEL_INFO(dev)->gen >= 4) { | |
12933 | if (!dev->mode_config.rotation_property) | |
12934 | dev->mode_config.rotation_property = | |
12935 | drm_mode_create_rotation_property(dev, | |
12936 | BIT(DRM_ROTATE_0) | | |
12937 | BIT(DRM_ROTATE_180)); | |
12938 | if (dev->mode_config.rotation_property) | |
12939 | drm_object_attach_property(&cursor->base.base, | |
12940 | dev->mode_config.rotation_property, | |
8e7d688b | 12941 | state->base.rotation); |
4398ad45 VS |
12942 | } |
12943 | ||
ea2c67bb MR |
12944 | drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs); |
12945 | ||
3d7d6510 MR |
12946 | return &cursor->base; |
12947 | } | |
12948 | ||
b358d0a6 | 12949 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 12950 | { |
fbee40df | 12951 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 12952 | struct intel_crtc *intel_crtc; |
f5de6e07 | 12953 | struct intel_crtc_state *crtc_state = NULL; |
3d7d6510 MR |
12954 | struct drm_plane *primary = NULL; |
12955 | struct drm_plane *cursor = NULL; | |
465c120c | 12956 | int i, ret; |
79e53945 | 12957 | |
955382f3 | 12958 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
12959 | if (intel_crtc == NULL) |
12960 | return; | |
12961 | ||
f5de6e07 ACO |
12962 | crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); |
12963 | if (!crtc_state) | |
12964 | goto fail; | |
12965 | intel_crtc_set_state(intel_crtc, crtc_state); | |
07878248 | 12966 | crtc_state->base.crtc = &intel_crtc->base; |
f5de6e07 | 12967 | |
465c120c | 12968 | primary = intel_primary_plane_create(dev, pipe); |
3d7d6510 MR |
12969 | if (!primary) |
12970 | goto fail; | |
12971 | ||
12972 | cursor = intel_cursor_plane_create(dev, pipe); | |
12973 | if (!cursor) | |
12974 | goto fail; | |
12975 | ||
465c120c | 12976 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
3d7d6510 MR |
12977 | cursor, &intel_crtc_funcs); |
12978 | if (ret) | |
12979 | goto fail; | |
79e53945 JB |
12980 | |
12981 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
12982 | for (i = 0; i < 256; i++) { |
12983 | intel_crtc->lut_r[i] = i; | |
12984 | intel_crtc->lut_g[i] = i; | |
12985 | intel_crtc->lut_b[i] = i; | |
12986 | } | |
12987 | ||
1f1c2e24 VS |
12988 | /* |
12989 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
8c0f92e1 | 12990 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
1f1c2e24 | 12991 | */ |
80824003 JB |
12992 | intel_crtc->pipe = pipe; |
12993 | intel_crtc->plane = pipe; | |
3a77c4c4 | 12994 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 12995 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 12996 | intel_crtc->plane = !pipe; |
80824003 JB |
12997 | } |
12998 | ||
4b0e333e CW |
12999 | intel_crtc->cursor_base = ~0; |
13000 | intel_crtc->cursor_cntl = ~0; | |
dc41c154 | 13001 | intel_crtc->cursor_size = ~0; |
8d7849db | 13002 | |
22fd0fab JB |
13003 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
13004 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
13005 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
13006 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
13007 | ||
9362c7c5 ACO |
13008 | INIT_WORK(&intel_crtc->mmio_flip.work, intel_mmio_flip_work_func); |
13009 | ||
79e53945 | 13010 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
87b6b101 DV |
13011 | |
13012 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); | |
3d7d6510 MR |
13013 | return; |
13014 | ||
13015 | fail: | |
13016 | if (primary) | |
13017 | drm_plane_cleanup(primary); | |
13018 | if (cursor) | |
13019 | drm_plane_cleanup(cursor); | |
f5de6e07 | 13020 | kfree(crtc_state); |
3d7d6510 | 13021 | kfree(intel_crtc); |
79e53945 JB |
13022 | } |
13023 | ||
752aa88a JB |
13024 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
13025 | { | |
13026 | struct drm_encoder *encoder = connector->base.encoder; | |
6e9f798d | 13027 | struct drm_device *dev = connector->base.dev; |
752aa88a | 13028 | |
51fd371b | 13029 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
752aa88a | 13030 | |
d3babd3f | 13031 | if (!encoder || WARN_ON(!encoder->crtc)) |
752aa88a JB |
13032 | return INVALID_PIPE; |
13033 | ||
13034 | return to_intel_crtc(encoder->crtc)->pipe; | |
13035 | } | |
13036 | ||
08d7b3d1 | 13037 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 13038 | struct drm_file *file) |
08d7b3d1 | 13039 | { |
08d7b3d1 | 13040 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
7707e653 | 13041 | struct drm_crtc *drmmode_crtc; |
c05422d5 | 13042 | struct intel_crtc *crtc; |
08d7b3d1 | 13043 | |
7707e653 | 13044 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
08d7b3d1 | 13045 | |
7707e653 | 13046 | if (!drmmode_crtc) { |
08d7b3d1 | 13047 | DRM_ERROR("no such CRTC id\n"); |
3f2c2057 | 13048 | return -ENOENT; |
08d7b3d1 CW |
13049 | } |
13050 | ||
7707e653 | 13051 | crtc = to_intel_crtc(drmmode_crtc); |
c05422d5 | 13052 | pipe_from_crtc_id->pipe = crtc->pipe; |
08d7b3d1 | 13053 | |
c05422d5 | 13054 | return 0; |
08d7b3d1 CW |
13055 | } |
13056 | ||
66a9278e | 13057 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 13058 | { |
66a9278e DV |
13059 | struct drm_device *dev = encoder->base.dev; |
13060 | struct intel_encoder *source_encoder; | |
79e53945 | 13061 | int index_mask = 0; |
79e53945 JB |
13062 | int entry = 0; |
13063 | ||
b2784e15 | 13064 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b | 13065 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
13066 | index_mask |= (1 << entry); |
13067 | ||
79e53945 JB |
13068 | entry++; |
13069 | } | |
4ef69c7a | 13070 | |
79e53945 JB |
13071 | return index_mask; |
13072 | } | |
13073 | ||
4d302442 CW |
13074 | static bool has_edp_a(struct drm_device *dev) |
13075 | { | |
13076 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13077 | ||
13078 | if (!IS_MOBILE(dev)) | |
13079 | return false; | |
13080 | ||
13081 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
13082 | return false; | |
13083 | ||
e3589908 | 13084 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
13085 | return false; |
13086 | ||
13087 | return true; | |
13088 | } | |
13089 | ||
84b4e042 JB |
13090 | static bool intel_crt_present(struct drm_device *dev) |
13091 | { | |
13092 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13093 | ||
884497ed DL |
13094 | if (INTEL_INFO(dev)->gen >= 9) |
13095 | return false; | |
13096 | ||
cf404ce4 | 13097 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
84b4e042 JB |
13098 | return false; |
13099 | ||
13100 | if (IS_CHERRYVIEW(dev)) | |
13101 | return false; | |
13102 | ||
13103 | if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) | |
13104 | return false; | |
13105 | ||
13106 | return true; | |
13107 | } | |
13108 | ||
79e53945 JB |
13109 | static void intel_setup_outputs(struct drm_device *dev) |
13110 | { | |
725e30ad | 13111 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 13112 | struct intel_encoder *encoder; |
c6f95f27 | 13113 | struct drm_connector *connector; |
cb0953d7 | 13114 | bool dpd_is_edp = false; |
79e53945 | 13115 | |
c9093354 | 13116 | intel_lvds_init(dev); |
79e53945 | 13117 | |
84b4e042 | 13118 | if (intel_crt_present(dev)) |
79935fca | 13119 | intel_crt_init(dev); |
cb0953d7 | 13120 | |
affa9354 | 13121 | if (HAS_DDI(dev)) { |
0e72a5b5 ED |
13122 | int found; |
13123 | ||
de31facd JB |
13124 | /* |
13125 | * Haswell uses DDI functions to detect digital outputs. | |
13126 | * On SKL pre-D0 the strap isn't connected, so we assume | |
13127 | * it's there. | |
13128 | */ | |
0e72a5b5 | 13129 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; |
de31facd JB |
13130 | /* WaIgnoreDDIAStrap: skl */ |
13131 | if (found || | |
13132 | (IS_SKYLAKE(dev) && INTEL_REVID(dev) < SKL_REVID_D0)) | |
0e72a5b5 ED |
13133 | intel_ddi_init(dev, PORT_A); |
13134 | ||
13135 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
13136 | * register */ | |
13137 | found = I915_READ(SFUSE_STRAP); | |
13138 | ||
13139 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
13140 | intel_ddi_init(dev, PORT_B); | |
13141 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
13142 | intel_ddi_init(dev, PORT_C); | |
13143 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
13144 | intel_ddi_init(dev, PORT_D); | |
13145 | } else if (HAS_PCH_SPLIT(dev)) { | |
cb0953d7 | 13146 | int found; |
5d8a7752 | 13147 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
13148 | |
13149 | if (has_edp_a(dev)) | |
13150 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 13151 | |
dc0fa718 | 13152 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 13153 | /* PCH SDVOB multiplex with HDMIB */ |
eef4eacb | 13154 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
30ad48b7 | 13155 | if (!found) |
e2debe91 | 13156 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 13157 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 13158 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
13159 | } |
13160 | ||
dc0fa718 | 13161 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 13162 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 13163 | |
dc0fa718 | 13164 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 13165 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 13166 | |
5eb08b69 | 13167 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 13168 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 13169 | |
270b3042 | 13170 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 13171 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
4a87d65d | 13172 | } else if (IS_VALLEYVIEW(dev)) { |
e17ac6db VS |
13173 | /* |
13174 | * The DP_DETECTED bit is the latched state of the DDC | |
13175 | * SDA pin at boot. However since eDP doesn't require DDC | |
13176 | * (no way to plug in a DP->HDMI dongle) the DDC pins for | |
13177 | * eDP ports may have been muxed to an alternate function. | |
13178 | * Thus we can't rely on the DP_DETECTED bit alone to detect | |
13179 | * eDP ports. Consult the VBT as well as DP_DETECTED to | |
13180 | * detect eDP ports. | |
13181 | */ | |
d2182a66 VS |
13182 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED && |
13183 | !intel_dp_is_edp(dev, PORT_B)) | |
585a94b8 AB |
13184 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, |
13185 | PORT_B); | |
e17ac6db VS |
13186 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED || |
13187 | intel_dp_is_edp(dev, PORT_B)) | |
13188 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); | |
585a94b8 | 13189 | |
d2182a66 VS |
13190 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIC) & SDVO_DETECTED && |
13191 | !intel_dp_is_edp(dev, PORT_C)) | |
6f6005a5 JB |
13192 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIC, |
13193 | PORT_C); | |
e17ac6db VS |
13194 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED || |
13195 | intel_dp_is_edp(dev, PORT_C)) | |
13196 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); | |
19c03924 | 13197 | |
9418c1f1 | 13198 | if (IS_CHERRYVIEW(dev)) { |
e17ac6db | 13199 | if (I915_READ(VLV_DISPLAY_BASE + CHV_HDMID) & SDVO_DETECTED) |
9418c1f1 VS |
13200 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + CHV_HDMID, |
13201 | PORT_D); | |
e17ac6db VS |
13202 | /* eDP not supported on port D, so don't check VBT */ |
13203 | if (I915_READ(VLV_DISPLAY_BASE + DP_D) & DP_DETECTED) | |
13204 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_D, PORT_D); | |
9418c1f1 VS |
13205 | } |
13206 | ||
3cfca973 | 13207 | intel_dsi_init(dev); |
103a196f | 13208 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
27185ae1 | 13209 | bool found = false; |
7d57382e | 13210 | |
e2debe91 | 13211 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 13212 | DRM_DEBUG_KMS("probing SDVOB\n"); |
e2debe91 | 13213 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
b01f2c3a JB |
13214 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
13215 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); | |
e2debe91 | 13216 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 13217 | } |
27185ae1 | 13218 | |
e7281eab | 13219 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 13220 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 13221 | } |
13520b05 KH |
13222 | |
13223 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 13224 | |
e2debe91 | 13225 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 13226 | DRM_DEBUG_KMS("probing SDVOC\n"); |
e2debe91 | 13227 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
b01f2c3a | 13228 | } |
27185ae1 | 13229 | |
e2debe91 | 13230 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 13231 | |
b01f2c3a JB |
13232 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
13233 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); | |
e2debe91 | 13234 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 13235 | } |
e7281eab | 13236 | if (SUPPORTS_INTEGRATED_DP(dev)) |
ab9d7c30 | 13237 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 13238 | } |
27185ae1 | 13239 | |
b01f2c3a | 13240 | if (SUPPORTS_INTEGRATED_DP(dev) && |
e7281eab | 13241 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 13242 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 13243 | } else if (IS_GEN2(dev)) |
79e53945 JB |
13244 | intel_dvo_init(dev); |
13245 | ||
103a196f | 13246 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
13247 | intel_tv_init(dev); |
13248 | ||
c6f95f27 MR |
13249 | /* |
13250 | * FIXME: We don't have full atomic support yet, but we want to be | |
13251 | * able to enable/test plane updates via the atomic interface in the | |
13252 | * meantime. However as soon as we flip DRIVER_ATOMIC on, the DRM core | |
13253 | * will take some atomic codepaths to lookup properties during | |
13254 | * drmModeGetConnector() that unconditionally dereference | |
13255 | * connector->state. | |
13256 | * | |
13257 | * We create a dummy connector state here for each connector to ensure | |
13258 | * the DRM core doesn't try to dereference a NULL connector->state. | |
13259 | * The actual connector properties will never be updated or contain | |
13260 | * useful information, but since we're doing this specifically for | |
13261 | * testing/debug of the plane operations (and only when a specific | |
13262 | * kernel module option is given), that shouldn't really matter. | |
13263 | * | |
d29b2f9d ACO |
13264 | * We are also relying on these states to convert the legacy mode set |
13265 | * to use a drm_atomic_state struct. The states are kept consistent | |
13266 | * with actual state, so that it is safe to rely on that instead of | |
13267 | * the staged config. | |
13268 | * | |
c6f95f27 MR |
13269 | * Once atomic support for crtc's + connectors lands, this loop should |
13270 | * be removed since we'll be setting up real connector state, which | |
13271 | * will contain Intel-specific properties. | |
13272 | */ | |
d29b2f9d ACO |
13273 | list_for_each_entry(connector, |
13274 | &dev->mode_config.connector_list, | |
13275 | head) { | |
13276 | if (!WARN_ON(connector->state)) { | |
13277 | connector->state = kzalloc(sizeof(*connector->state), | |
13278 | GFP_KERNEL); | |
c6f95f27 MR |
13279 | } |
13280 | } | |
13281 | ||
0bc12bcb | 13282 | intel_psr_init(dev); |
7c8f8a70 | 13283 | |
b2784e15 | 13284 | for_each_intel_encoder(dev, encoder) { |
4ef69c7a CW |
13285 | encoder->base.possible_crtcs = encoder->crtc_mask; |
13286 | encoder->base.possible_clones = | |
66a9278e | 13287 | intel_encoder_clones(encoder); |
79e53945 | 13288 | } |
47356eb6 | 13289 | |
dde86e2d | 13290 | intel_init_pch_refclk(dev); |
270b3042 DV |
13291 | |
13292 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
13293 | } |
13294 | ||
13295 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
13296 | { | |
60a5ca01 | 13297 | struct drm_device *dev = fb->dev; |
79e53945 | 13298 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
79e53945 | 13299 | |
ef2d633e | 13300 | drm_framebuffer_cleanup(fb); |
60a5ca01 | 13301 | mutex_lock(&dev->struct_mutex); |
ef2d633e | 13302 | WARN_ON(!intel_fb->obj->framebuffer_references--); |
60a5ca01 VS |
13303 | drm_gem_object_unreference(&intel_fb->obj->base); |
13304 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
13305 | kfree(intel_fb); |
13306 | } | |
13307 | ||
13308 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 13309 | struct drm_file *file, |
79e53945 JB |
13310 | unsigned int *handle) |
13311 | { | |
13312 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 13313 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 13314 | |
05394f39 | 13315 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
13316 | } |
13317 | ||
13318 | static const struct drm_framebuffer_funcs intel_fb_funcs = { | |
13319 | .destroy = intel_user_framebuffer_destroy, | |
13320 | .create_handle = intel_user_framebuffer_create_handle, | |
13321 | }; | |
13322 | ||
b321803d DL |
13323 | static |
13324 | u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, | |
13325 | uint32_t pixel_format) | |
13326 | { | |
13327 | u32 gen = INTEL_INFO(dev)->gen; | |
13328 | ||
13329 | if (gen >= 9) { | |
13330 | /* "The stride in bytes must not exceed the of the size of 8K | |
13331 | * pixels and 32K bytes." | |
13332 | */ | |
13333 | return min(8192*drm_format_plane_cpp(pixel_format, 0), 32768); | |
13334 | } else if (gen >= 5 && !IS_VALLEYVIEW(dev)) { | |
13335 | return 32*1024; | |
13336 | } else if (gen >= 4) { | |
13337 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
13338 | return 16*1024; | |
13339 | else | |
13340 | return 32*1024; | |
13341 | } else if (gen >= 3) { | |
13342 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
13343 | return 8*1024; | |
13344 | else | |
13345 | return 16*1024; | |
13346 | } else { | |
13347 | /* XXX DSPC is limited to 4k tiled */ | |
13348 | return 8*1024; | |
13349 | } | |
13350 | } | |
13351 | ||
b5ea642a DV |
13352 | static int intel_framebuffer_init(struct drm_device *dev, |
13353 | struct intel_framebuffer *intel_fb, | |
13354 | struct drm_mode_fb_cmd2 *mode_cmd, | |
13355 | struct drm_i915_gem_object *obj) | |
79e53945 | 13356 | { |
6761dd31 | 13357 | unsigned int aligned_height; |
79e53945 | 13358 | int ret; |
b321803d | 13359 | u32 pitch_limit, stride_alignment; |
79e53945 | 13360 | |
dd4916c5 DV |
13361 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
13362 | ||
2a80eada DV |
13363 | if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { |
13364 | /* Enforce that fb modifier and tiling mode match, but only for | |
13365 | * X-tiled. This is needed for FBC. */ | |
13366 | if (!!(obj->tiling_mode == I915_TILING_X) != | |
13367 | !!(mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED)) { | |
13368 | DRM_DEBUG("tiling_mode doesn't match fb modifier\n"); | |
13369 | return -EINVAL; | |
13370 | } | |
13371 | } else { | |
13372 | if (obj->tiling_mode == I915_TILING_X) | |
13373 | mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
13374 | else if (obj->tiling_mode == I915_TILING_Y) { | |
13375 | DRM_DEBUG("No Y tiling for legacy addfb\n"); | |
13376 | return -EINVAL; | |
13377 | } | |
13378 | } | |
13379 | ||
9a8f0a12 TU |
13380 | /* Passed in modifier sanity checking. */ |
13381 | switch (mode_cmd->modifier[0]) { | |
13382 | case I915_FORMAT_MOD_Y_TILED: | |
13383 | case I915_FORMAT_MOD_Yf_TILED: | |
13384 | if (INTEL_INFO(dev)->gen < 9) { | |
13385 | DRM_DEBUG("Unsupported tiling 0x%llx!\n", | |
13386 | mode_cmd->modifier[0]); | |
13387 | return -EINVAL; | |
13388 | } | |
13389 | case DRM_FORMAT_MOD_NONE: | |
13390 | case I915_FORMAT_MOD_X_TILED: | |
13391 | break; | |
13392 | default: | |
c0f40428 JB |
13393 | DRM_DEBUG("Unsupported fb modifier 0x%llx!\n", |
13394 | mode_cmd->modifier[0]); | |
57cd6508 | 13395 | return -EINVAL; |
c16ed4be | 13396 | } |
57cd6508 | 13397 | |
b321803d DL |
13398 | stride_alignment = intel_fb_stride_alignment(dev, mode_cmd->modifier[0], |
13399 | mode_cmd->pixel_format); | |
13400 | if (mode_cmd->pitches[0] & (stride_alignment - 1)) { | |
13401 | DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", | |
13402 | mode_cmd->pitches[0], stride_alignment); | |
57cd6508 | 13403 | return -EINVAL; |
c16ed4be | 13404 | } |
57cd6508 | 13405 | |
b321803d DL |
13406 | pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], |
13407 | mode_cmd->pixel_format); | |
a35cdaa0 | 13408 | if (mode_cmd->pitches[0] > pitch_limit) { |
b321803d DL |
13409 | DRM_DEBUG("%s pitch (%u) must be at less than %d\n", |
13410 | mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? | |
2a80eada | 13411 | "tiled" : "linear", |
a35cdaa0 | 13412 | mode_cmd->pitches[0], pitch_limit); |
5d7bd705 | 13413 | return -EINVAL; |
c16ed4be | 13414 | } |
5d7bd705 | 13415 | |
2a80eada | 13416 | if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED && |
c16ed4be CW |
13417 | mode_cmd->pitches[0] != obj->stride) { |
13418 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
13419 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 13420 | return -EINVAL; |
c16ed4be | 13421 | } |
5d7bd705 | 13422 | |
57779d06 | 13423 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 13424 | switch (mode_cmd->pixel_format) { |
57779d06 | 13425 | case DRM_FORMAT_C8: |
04b3924d VS |
13426 | case DRM_FORMAT_RGB565: |
13427 | case DRM_FORMAT_XRGB8888: | |
13428 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
13429 | break; |
13430 | case DRM_FORMAT_XRGB1555: | |
13431 | case DRM_FORMAT_ARGB1555: | |
c16ed4be | 13432 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
13433 | DRM_DEBUG("unsupported pixel format: %s\n", |
13434 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 13435 | return -EINVAL; |
c16ed4be | 13436 | } |
57779d06 VS |
13437 | break; |
13438 | case DRM_FORMAT_XBGR8888: | |
13439 | case DRM_FORMAT_ABGR8888: | |
04b3924d VS |
13440 | case DRM_FORMAT_XRGB2101010: |
13441 | case DRM_FORMAT_ARGB2101010: | |
57779d06 VS |
13442 | case DRM_FORMAT_XBGR2101010: |
13443 | case DRM_FORMAT_ABGR2101010: | |
c16ed4be | 13444 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
13445 | DRM_DEBUG("unsupported pixel format: %s\n", |
13446 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 13447 | return -EINVAL; |
c16ed4be | 13448 | } |
b5626747 | 13449 | break; |
04b3924d VS |
13450 | case DRM_FORMAT_YUYV: |
13451 | case DRM_FORMAT_UYVY: | |
13452 | case DRM_FORMAT_YVYU: | |
13453 | case DRM_FORMAT_VYUY: | |
c16ed4be | 13454 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
13455 | DRM_DEBUG("unsupported pixel format: %s\n", |
13456 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 13457 | return -EINVAL; |
c16ed4be | 13458 | } |
57cd6508 CW |
13459 | break; |
13460 | default: | |
4ee62c76 VS |
13461 | DRM_DEBUG("unsupported pixel format: %s\n", |
13462 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
13463 | return -EINVAL; |
13464 | } | |
13465 | ||
90f9a336 VS |
13466 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
13467 | if (mode_cmd->offsets[0] != 0) | |
13468 | return -EINVAL; | |
13469 | ||
ec2c981e | 13470 | aligned_height = intel_fb_align_height(dev, mode_cmd->height, |
091df6cb DV |
13471 | mode_cmd->pixel_format, |
13472 | mode_cmd->modifier[0]); | |
53155c0a DV |
13473 | /* FIXME drm helper for size checks (especially planar formats)? */ |
13474 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) | |
13475 | return -EINVAL; | |
13476 | ||
c7d73f6a DV |
13477 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
13478 | intel_fb->obj = obj; | |
80075d49 | 13479 | intel_fb->obj->framebuffer_references++; |
c7d73f6a | 13480 | |
79e53945 JB |
13481 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
13482 | if (ret) { | |
13483 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
13484 | return ret; | |
13485 | } | |
13486 | ||
79e53945 JB |
13487 | return 0; |
13488 | } | |
13489 | ||
79e53945 JB |
13490 | static struct drm_framebuffer * |
13491 | intel_user_framebuffer_create(struct drm_device *dev, | |
13492 | struct drm_file *filp, | |
308e5bcb | 13493 | struct drm_mode_fb_cmd2 *mode_cmd) |
79e53945 | 13494 | { |
05394f39 | 13495 | struct drm_i915_gem_object *obj; |
79e53945 | 13496 | |
308e5bcb JB |
13497 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
13498 | mode_cmd->handles[0])); | |
c8725226 | 13499 | if (&obj->base == NULL) |
cce13ff7 | 13500 | return ERR_PTR(-ENOENT); |
79e53945 | 13501 | |
d2dff872 | 13502 | return intel_framebuffer_create(dev, mode_cmd, obj); |
79e53945 JB |
13503 | } |
13504 | ||
4520f53a | 13505 | #ifndef CONFIG_DRM_I915_FBDEV |
0632fef6 | 13506 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
13507 | { |
13508 | } | |
13509 | #endif | |
13510 | ||
79e53945 | 13511 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 13512 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 13513 | .output_poll_changed = intel_fbdev_output_poll_changed, |
5ee67f1c MR |
13514 | .atomic_check = intel_atomic_check, |
13515 | .atomic_commit = intel_atomic_commit, | |
79e53945 JB |
13516 | }; |
13517 | ||
e70236a8 JB |
13518 | /* Set up chip specific display functions */ |
13519 | static void intel_init_display(struct drm_device *dev) | |
13520 | { | |
13521 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13522 | ||
ee9300bb DV |
13523 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
13524 | dev_priv->display.find_dpll = g4x_find_best_dpll; | |
ef9348c8 CML |
13525 | else if (IS_CHERRYVIEW(dev)) |
13526 | dev_priv->display.find_dpll = chv_find_best_dpll; | |
ee9300bb DV |
13527 | else if (IS_VALLEYVIEW(dev)) |
13528 | dev_priv->display.find_dpll = vlv_find_best_dpll; | |
13529 | else if (IS_PINEVIEW(dev)) | |
13530 | dev_priv->display.find_dpll = pnv_find_best_dpll; | |
13531 | else | |
13532 | dev_priv->display.find_dpll = i9xx_find_best_dpll; | |
13533 | ||
bc8d7dff DL |
13534 | if (INTEL_INFO(dev)->gen >= 9) { |
13535 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; | |
5724dbd1 DL |
13536 | dev_priv->display.get_initial_plane_config = |
13537 | skylake_get_initial_plane_config; | |
bc8d7dff DL |
13538 | dev_priv->display.crtc_compute_clock = |
13539 | haswell_crtc_compute_clock; | |
13540 | dev_priv->display.crtc_enable = haswell_crtc_enable; | |
13541 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
13542 | dev_priv->display.off = ironlake_crtc_off; | |
13543 | dev_priv->display.update_primary_plane = | |
13544 | skylake_update_primary_plane; | |
13545 | } else if (HAS_DDI(dev)) { | |
0e8ffe1b | 13546 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
13547 | dev_priv->display.get_initial_plane_config = |
13548 | ironlake_get_initial_plane_config; | |
797d0259 ACO |
13549 | dev_priv->display.crtc_compute_clock = |
13550 | haswell_crtc_compute_clock; | |
4f771f10 PZ |
13551 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
13552 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
df8ad70c | 13553 | dev_priv->display.off = ironlake_crtc_off; |
bc8d7dff DL |
13554 | dev_priv->display.update_primary_plane = |
13555 | ironlake_update_primary_plane; | |
09b4ddf9 | 13556 | } else if (HAS_PCH_SPLIT(dev)) { |
0e8ffe1b | 13557 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
5724dbd1 DL |
13558 | dev_priv->display.get_initial_plane_config = |
13559 | ironlake_get_initial_plane_config; | |
3fb37703 ACO |
13560 | dev_priv->display.crtc_compute_clock = |
13561 | ironlake_crtc_compute_clock; | |
76e5a89c DV |
13562 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
13563 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
ee7b9f93 | 13564 | dev_priv->display.off = ironlake_crtc_off; |
262ca2b0 MR |
13565 | dev_priv->display.update_primary_plane = |
13566 | ironlake_update_primary_plane; | |
89b667f8 JB |
13567 | } else if (IS_VALLEYVIEW(dev)) { |
13568 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
5724dbd1 DL |
13569 | dev_priv->display.get_initial_plane_config = |
13570 | i9xx_get_initial_plane_config; | |
d6dfee7a | 13571 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
89b667f8 JB |
13572 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
13573 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
13574 | dev_priv->display.off = i9xx_crtc_off; | |
262ca2b0 MR |
13575 | dev_priv->display.update_primary_plane = |
13576 | i9xx_update_primary_plane; | |
f564048e | 13577 | } else { |
0e8ffe1b | 13578 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
13579 | dev_priv->display.get_initial_plane_config = |
13580 | i9xx_get_initial_plane_config; | |
d6dfee7a | 13581 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
76e5a89c DV |
13582 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
13583 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
ee7b9f93 | 13584 | dev_priv->display.off = i9xx_crtc_off; |
262ca2b0 MR |
13585 | dev_priv->display.update_primary_plane = |
13586 | i9xx_update_primary_plane; | |
f564048e | 13587 | } |
e70236a8 | 13588 | |
e70236a8 | 13589 | /* Returns the core display clock speed */ |
1652d19e VS |
13590 | if (IS_SKYLAKE(dev)) |
13591 | dev_priv->display.get_display_clock_speed = | |
13592 | skylake_get_display_clock_speed; | |
13593 | else if (IS_BROADWELL(dev)) | |
13594 | dev_priv->display.get_display_clock_speed = | |
13595 | broadwell_get_display_clock_speed; | |
13596 | else if (IS_HASWELL(dev)) | |
13597 | dev_priv->display.get_display_clock_speed = | |
13598 | haswell_get_display_clock_speed; | |
13599 | else if (IS_VALLEYVIEW(dev)) | |
25eb05fc JB |
13600 | dev_priv->display.get_display_clock_speed = |
13601 | valleyview_get_display_clock_speed; | |
b37a6434 VS |
13602 | else if (IS_GEN5(dev)) |
13603 | dev_priv->display.get_display_clock_speed = | |
13604 | ilk_get_display_clock_speed; | |
a7c66cd8 VS |
13605 | else if (IS_I945G(dev) || IS_BROADWATER(dev) || |
13606 | IS_GEN6(dev) || IS_IVYBRIDGE(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) | |
e70236a8 JB |
13607 | dev_priv->display.get_display_clock_speed = |
13608 | i945_get_display_clock_speed; | |
13609 | else if (IS_I915G(dev)) | |
13610 | dev_priv->display.get_display_clock_speed = | |
13611 | i915_get_display_clock_speed; | |
257a7ffc | 13612 | else if (IS_I945GM(dev) || IS_845G(dev)) |
e70236a8 JB |
13613 | dev_priv->display.get_display_clock_speed = |
13614 | i9xx_misc_get_display_clock_speed; | |
257a7ffc DV |
13615 | else if (IS_PINEVIEW(dev)) |
13616 | dev_priv->display.get_display_clock_speed = | |
13617 | pnv_get_display_clock_speed; | |
e70236a8 JB |
13618 | else if (IS_I915GM(dev)) |
13619 | dev_priv->display.get_display_clock_speed = | |
13620 | i915gm_get_display_clock_speed; | |
13621 | else if (IS_I865G(dev)) | |
13622 | dev_priv->display.get_display_clock_speed = | |
13623 | i865_get_display_clock_speed; | |
f0f8a9ce | 13624 | else if (IS_I85X(dev)) |
e70236a8 JB |
13625 | dev_priv->display.get_display_clock_speed = |
13626 | i855_get_display_clock_speed; | |
13627 | else /* 852, 830 */ | |
13628 | dev_priv->display.get_display_clock_speed = | |
13629 | i830_get_display_clock_speed; | |
13630 | ||
7c10a2b5 | 13631 | if (IS_GEN5(dev)) { |
3bb11b53 | 13632 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
3bb11b53 SJ |
13633 | } else if (IS_GEN6(dev)) { |
13634 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; | |
3bb11b53 SJ |
13635 | } else if (IS_IVYBRIDGE(dev)) { |
13636 | /* FIXME: detect B0+ stepping and use auto training */ | |
13637 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
059b2fe9 | 13638 | } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
3bb11b53 | 13639 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
30a970c6 JB |
13640 | } else if (IS_VALLEYVIEW(dev)) { |
13641 | dev_priv->display.modeset_global_resources = | |
13642 | valleyview_modeset_global_resources; | |
e70236a8 | 13643 | } |
8c9f3aaf | 13644 | |
8c9f3aaf JB |
13645 | switch (INTEL_INFO(dev)->gen) { |
13646 | case 2: | |
13647 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
13648 | break; | |
13649 | ||
13650 | case 3: | |
13651 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
13652 | break; | |
13653 | ||
13654 | case 4: | |
13655 | case 5: | |
13656 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
13657 | break; | |
13658 | ||
13659 | case 6: | |
13660 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
13661 | break; | |
7c9017e5 | 13662 | case 7: |
4e0bbc31 | 13663 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ |
7c9017e5 JB |
13664 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
13665 | break; | |
830c81db | 13666 | case 9: |
ba343e02 TU |
13667 | /* Drop through - unsupported since execlist only. */ |
13668 | default: | |
13669 | /* Default just returns -ENODEV to indicate unsupported */ | |
13670 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
8c9f3aaf | 13671 | } |
7bd688cd JN |
13672 | |
13673 | intel_panel_init_backlight_funcs(dev); | |
e39b999a VS |
13674 | |
13675 | mutex_init(&dev_priv->pps_mutex); | |
e70236a8 JB |
13676 | } |
13677 | ||
b690e96c JB |
13678 | /* |
13679 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
13680 | * resume, or other times. This quirk makes sure that's the case for | |
13681 | * affected systems. | |
13682 | */ | |
0206e353 | 13683 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
13684 | { |
13685 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13686 | ||
13687 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 13688 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
13689 | } |
13690 | ||
b6b5d049 VS |
13691 | static void quirk_pipeb_force(struct drm_device *dev) |
13692 | { | |
13693 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13694 | ||
13695 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; | |
13696 | DRM_INFO("applying pipe b force quirk\n"); | |
13697 | } | |
13698 | ||
435793df KP |
13699 | /* |
13700 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
13701 | */ | |
13702 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
13703 | { | |
13704 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13705 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 13706 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
13707 | } |
13708 | ||
4dca20ef | 13709 | /* |
5a15ab5b CE |
13710 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
13711 | * brightness value | |
4dca20ef CE |
13712 | */ |
13713 | static void quirk_invert_brightness(struct drm_device *dev) | |
13714 | { | |
13715 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13716 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 13717 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
13718 | } |
13719 | ||
9c72cc6f SD |
13720 | /* Some VBT's incorrectly indicate no backlight is present */ |
13721 | static void quirk_backlight_present(struct drm_device *dev) | |
13722 | { | |
13723 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13724 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; | |
13725 | DRM_INFO("applying backlight present quirk\n"); | |
13726 | } | |
13727 | ||
b690e96c JB |
13728 | struct intel_quirk { |
13729 | int device; | |
13730 | int subsystem_vendor; | |
13731 | int subsystem_device; | |
13732 | void (*hook)(struct drm_device *dev); | |
13733 | }; | |
13734 | ||
5f85f176 EE |
13735 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
13736 | struct intel_dmi_quirk { | |
13737 | void (*hook)(struct drm_device *dev); | |
13738 | const struct dmi_system_id (*dmi_id_list)[]; | |
13739 | }; | |
13740 | ||
13741 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
13742 | { | |
13743 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
13744 | return 1; | |
13745 | } | |
13746 | ||
13747 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
13748 | { | |
13749 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
13750 | { | |
13751 | .callback = intel_dmi_reverse_brightness, | |
13752 | .ident = "NCR Corporation", | |
13753 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
13754 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
13755 | }, | |
13756 | }, | |
13757 | { } /* terminating entry */ | |
13758 | }, | |
13759 | .hook = quirk_invert_brightness, | |
13760 | }, | |
13761 | }; | |
13762 | ||
c43b5634 | 13763 | static struct intel_quirk intel_quirks[] = { |
b690e96c | 13764 | /* HP Mini needs pipe A force quirk (LP: #322104) */ |
0206e353 | 13765 | { 0x27ae, 0x103c, 0x361a, quirk_pipea_force }, |
b690e96c | 13766 | |
b690e96c JB |
13767 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
13768 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
13769 | ||
b690e96c JB |
13770 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
13771 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
13772 | ||
5f080c0f VS |
13773 | /* 830 needs to leave pipe A & dpll A up */ |
13774 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, | |
13775 | ||
b6b5d049 VS |
13776 | /* 830 needs to leave pipe B & dpll B up */ |
13777 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipeb_force }, | |
13778 | ||
435793df KP |
13779 | /* Lenovo U160 cannot use SSC on LVDS */ |
13780 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
13781 | |
13782 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
13783 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 13784 | |
be505f64 AH |
13785 | /* Acer Aspire 5734Z must invert backlight brightness */ |
13786 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
13787 | ||
13788 | /* Acer/eMachines G725 */ | |
13789 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
13790 | ||
13791 | /* Acer/eMachines e725 */ | |
13792 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
13793 | ||
13794 | /* Acer/Packard Bell NCL20 */ | |
13795 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
13796 | ||
13797 | /* Acer Aspire 4736Z */ | |
13798 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
13799 | |
13800 | /* Acer Aspire 5336 */ | |
13801 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
2e93a1aa SD |
13802 | |
13803 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ | |
13804 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, | |
d4967d8c | 13805 | |
dfb3d47b SD |
13806 | /* Acer C720 Chromebook (Core i3 4005U) */ |
13807 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, | |
13808 | ||
b2a9601c | 13809 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
13810 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, | |
13811 | ||
d4967d8c SD |
13812 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
13813 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, | |
724cb06f SD |
13814 | |
13815 | /* HP Chromebook 14 (Celeron 2955U) */ | |
13816 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, | |
cf6f0af9 JN |
13817 | |
13818 | /* Dell Chromebook 11 */ | |
13819 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, | |
b690e96c JB |
13820 | }; |
13821 | ||
13822 | static void intel_init_quirks(struct drm_device *dev) | |
13823 | { | |
13824 | struct pci_dev *d = dev->pdev; | |
13825 | int i; | |
13826 | ||
13827 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
13828 | struct intel_quirk *q = &intel_quirks[i]; | |
13829 | ||
13830 | if (d->device == q->device && | |
13831 | (d->subsystem_vendor == q->subsystem_vendor || | |
13832 | q->subsystem_vendor == PCI_ANY_ID) && | |
13833 | (d->subsystem_device == q->subsystem_device || | |
13834 | q->subsystem_device == PCI_ANY_ID)) | |
13835 | q->hook(dev); | |
13836 | } | |
5f85f176 EE |
13837 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
13838 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
13839 | intel_dmi_quirks[i].hook(dev); | |
13840 | } | |
b690e96c JB |
13841 | } |
13842 | ||
9cce37f4 JB |
13843 | /* Disable the VGA plane that we never use */ |
13844 | static void i915_disable_vga(struct drm_device *dev) | |
13845 | { | |
13846 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13847 | u8 sr1; | |
766aa1c4 | 13848 | u32 vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 13849 | |
2b37c616 | 13850 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
9cce37f4 | 13851 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 13852 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
13853 | sr1 = inb(VGA_SR_DATA); |
13854 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
13855 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
13856 | udelay(300); | |
13857 | ||
01f5a626 | 13858 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
9cce37f4 JB |
13859 | POSTING_READ(vga_reg); |
13860 | } | |
13861 | ||
f817586c DV |
13862 | void intel_modeset_init_hw(struct drm_device *dev) |
13863 | { | |
a8f78b58 ED |
13864 | intel_prepare_ddi(dev); |
13865 | ||
f8bf63fd VS |
13866 | if (IS_VALLEYVIEW(dev)) |
13867 | vlv_update_cdclk(dev); | |
13868 | ||
f817586c DV |
13869 | intel_init_clock_gating(dev); |
13870 | ||
8090c6b9 | 13871 | intel_enable_gt_powersave(dev); |
f817586c DV |
13872 | } |
13873 | ||
79e53945 JB |
13874 | void intel_modeset_init(struct drm_device *dev) |
13875 | { | |
652c393a | 13876 | struct drm_i915_private *dev_priv = dev->dev_private; |
1fe47785 | 13877 | int sprite, ret; |
8cc87b75 | 13878 | enum pipe pipe; |
46f297fb | 13879 | struct intel_crtc *crtc; |
79e53945 JB |
13880 | |
13881 | drm_mode_config_init(dev); | |
13882 | ||
13883 | dev->mode_config.min_width = 0; | |
13884 | dev->mode_config.min_height = 0; | |
13885 | ||
019d96cb DA |
13886 | dev->mode_config.preferred_depth = 24; |
13887 | dev->mode_config.prefer_shadow = 1; | |
13888 | ||
25bab385 TU |
13889 | dev->mode_config.allow_fb_modifiers = true; |
13890 | ||
e6ecefaa | 13891 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 13892 | |
b690e96c JB |
13893 | intel_init_quirks(dev); |
13894 | ||
1fa61106 ED |
13895 | intel_init_pm(dev); |
13896 | ||
e3c74757 BW |
13897 | if (INTEL_INFO(dev)->num_pipes == 0) |
13898 | return; | |
13899 | ||
e70236a8 | 13900 | intel_init_display(dev); |
7c10a2b5 | 13901 | intel_init_audio(dev); |
e70236a8 | 13902 | |
a6c45cf0 CW |
13903 | if (IS_GEN2(dev)) { |
13904 | dev->mode_config.max_width = 2048; | |
13905 | dev->mode_config.max_height = 2048; | |
13906 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
13907 | dev->mode_config.max_width = 4096; |
13908 | dev->mode_config.max_height = 4096; | |
79e53945 | 13909 | } else { |
a6c45cf0 CW |
13910 | dev->mode_config.max_width = 8192; |
13911 | dev->mode_config.max_height = 8192; | |
79e53945 | 13912 | } |
068be561 | 13913 | |
dc41c154 VS |
13914 | if (IS_845G(dev) || IS_I865G(dev)) { |
13915 | dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512; | |
13916 | dev->mode_config.cursor_height = 1023; | |
13917 | } else if (IS_GEN2(dev)) { | |
068be561 DL |
13918 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
13919 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
13920 | } else { | |
13921 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
13922 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
13923 | } | |
13924 | ||
5d4545ae | 13925 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 13926 | |
28c97730 | 13927 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
13928 | INTEL_INFO(dev)->num_pipes, |
13929 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 13930 | |
055e393f | 13931 | for_each_pipe(dev_priv, pipe) { |
8cc87b75 | 13932 | intel_crtc_init(dev, pipe); |
3bdcfc0c | 13933 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 13934 | ret = intel_plane_init(dev, pipe, sprite); |
7f1f3851 | 13935 | if (ret) |
06da8da2 | 13936 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 13937 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 13938 | } |
79e53945 JB |
13939 | } |
13940 | ||
f42bb70d JB |
13941 | intel_init_dpio(dev); |
13942 | ||
e72f9fbf | 13943 | intel_shared_dpll_init(dev); |
ee7b9f93 | 13944 | |
9cce37f4 JB |
13945 | /* Just disable it once at startup */ |
13946 | i915_disable_vga(dev); | |
79e53945 | 13947 | intel_setup_outputs(dev); |
11be49eb CW |
13948 | |
13949 | /* Just in case the BIOS is doing something questionable. */ | |
7ff0ebcc | 13950 | intel_fbc_disable(dev); |
fa9fa083 | 13951 | |
6e9f798d | 13952 | drm_modeset_lock_all(dev); |
fa9fa083 | 13953 | intel_modeset_setup_hw_state(dev, false); |
6e9f798d | 13954 | drm_modeset_unlock_all(dev); |
46f297fb | 13955 | |
d3fcc808 | 13956 | for_each_intel_crtc(dev, crtc) { |
46f297fb JB |
13957 | if (!crtc->active) |
13958 | continue; | |
13959 | ||
46f297fb | 13960 | /* |
46f297fb JB |
13961 | * Note that reserving the BIOS fb up front prevents us |
13962 | * from stuffing other stolen allocations like the ring | |
13963 | * on top. This prevents some ugliness at boot time, and | |
13964 | * can even allow for smooth boot transitions if the BIOS | |
13965 | * fb is large enough for the active pipe configuration. | |
13966 | */ | |
5724dbd1 DL |
13967 | if (dev_priv->display.get_initial_plane_config) { |
13968 | dev_priv->display.get_initial_plane_config(crtc, | |
46f297fb JB |
13969 | &crtc->plane_config); |
13970 | /* | |
13971 | * If the fb is shared between multiple heads, we'll | |
13972 | * just get the first one. | |
13973 | */ | |
f6936e29 | 13974 | intel_find_initial_plane_obj(crtc, &crtc->plane_config); |
46f297fb | 13975 | } |
46f297fb | 13976 | } |
2c7111db CW |
13977 | } |
13978 | ||
7fad798e DV |
13979 | static void intel_enable_pipe_a(struct drm_device *dev) |
13980 | { | |
13981 | struct intel_connector *connector; | |
13982 | struct drm_connector *crt = NULL; | |
13983 | struct intel_load_detect_pipe load_detect_temp; | |
208bf9fd | 13984 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
7fad798e DV |
13985 | |
13986 | /* We can't just switch on the pipe A, we need to set things up with a | |
13987 | * proper mode and output configuration. As a gross hack, enable pipe A | |
13988 | * by enabling the load detect pipe once. */ | |
3a3371ff | 13989 | for_each_intel_connector(dev, connector) { |
7fad798e DV |
13990 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
13991 | crt = &connector->base; | |
13992 | break; | |
13993 | } | |
13994 | } | |
13995 | ||
13996 | if (!crt) | |
13997 | return; | |
13998 | ||
208bf9fd | 13999 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
49172fee | 14000 | intel_release_load_detect_pipe(crt, &load_detect_temp, ctx); |
7fad798e DV |
14001 | } |
14002 | ||
fa555837 DV |
14003 | static bool |
14004 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
14005 | { | |
7eb552ae BW |
14006 | struct drm_device *dev = crtc->base.dev; |
14007 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 DV |
14008 | u32 reg, val; |
14009 | ||
7eb552ae | 14010 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
14011 | return true; |
14012 | ||
14013 | reg = DSPCNTR(!crtc->plane); | |
14014 | val = I915_READ(reg); | |
14015 | ||
14016 | if ((val & DISPLAY_PLANE_ENABLE) && | |
14017 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
14018 | return false; | |
14019 | ||
14020 | return true; | |
14021 | } | |
14022 | ||
24929352 DV |
14023 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
14024 | { | |
14025 | struct drm_device *dev = crtc->base.dev; | |
14026 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 | 14027 | u32 reg; |
24929352 | 14028 | |
24929352 | 14029 | /* Clear any frame start delays used for debugging left by the BIOS */ |
6e3c9717 | 14030 | reg = PIPECONF(crtc->config->cpu_transcoder); |
24929352 DV |
14031 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
14032 | ||
d3eaf884 | 14033 | /* restore vblank interrupts to correct state */ |
9625604c | 14034 | drm_crtc_vblank_reset(&crtc->base); |
d297e103 VS |
14035 | if (crtc->active) { |
14036 | update_scanline_offset(crtc); | |
9625604c DV |
14037 | drm_crtc_vblank_on(&crtc->base); |
14038 | } | |
d3eaf884 | 14039 | |
24929352 | 14040 | /* We need to sanitize the plane -> pipe mapping first because this will |
fa555837 DV |
14041 | * disable the crtc (and hence change the state) if it is wrong. Note |
14042 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
14043 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
14044 | struct intel_connector *connector; |
14045 | bool plane; | |
14046 | ||
24929352 DV |
14047 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
14048 | crtc->base.base.id); | |
14049 | ||
14050 | /* Pipe has the wrong plane attached and the plane is active. | |
14051 | * Temporarily change the plane mapping and disable everything | |
14052 | * ... */ | |
14053 | plane = crtc->plane; | |
14054 | crtc->plane = !plane; | |
9c8958bc | 14055 | crtc->primary_enabled = true; |
24929352 DV |
14056 | dev_priv->display.crtc_disable(&crtc->base); |
14057 | crtc->plane = plane; | |
14058 | ||
14059 | /* ... and break all links. */ | |
3a3371ff | 14060 | for_each_intel_connector(dev, connector) { |
24929352 DV |
14061 | if (connector->encoder->base.crtc != &crtc->base) |
14062 | continue; | |
14063 | ||
7f1950fb EE |
14064 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
14065 | connector->base.encoder = NULL; | |
24929352 | 14066 | } |
7f1950fb EE |
14067 | /* multiple connectors may have the same encoder: |
14068 | * handle them and break crtc link separately */ | |
3a3371ff | 14069 | for_each_intel_connector(dev, connector) |
7f1950fb EE |
14070 | if (connector->encoder->base.crtc == &crtc->base) { |
14071 | connector->encoder->base.crtc = NULL; | |
14072 | connector->encoder->connectors_active = false; | |
14073 | } | |
24929352 DV |
14074 | |
14075 | WARN_ON(crtc->active); | |
83d65738 | 14076 | crtc->base.state->enable = false; |
24929352 DV |
14077 | crtc->base.enabled = false; |
14078 | } | |
24929352 | 14079 | |
7fad798e DV |
14080 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
14081 | crtc->pipe == PIPE_A && !crtc->active) { | |
14082 | /* BIOS forgot to enable pipe A, this mostly happens after | |
14083 | * resume. Force-enable the pipe to fix this, the update_dpms | |
14084 | * call below we restore the pipe to the right state, but leave | |
14085 | * the required bits on. */ | |
14086 | intel_enable_pipe_a(dev); | |
14087 | } | |
14088 | ||
24929352 DV |
14089 | /* Adjust the state of the output pipe according to whether we |
14090 | * have active connectors/encoders. */ | |
14091 | intel_crtc_update_dpms(&crtc->base); | |
14092 | ||
83d65738 | 14093 | if (crtc->active != crtc->base.state->enable) { |
24929352 DV |
14094 | struct intel_encoder *encoder; |
14095 | ||
14096 | /* This can happen either due to bugs in the get_hw_state | |
14097 | * functions or because the pipe is force-enabled due to the | |
14098 | * pipe A quirk. */ | |
14099 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", | |
14100 | crtc->base.base.id, | |
83d65738 | 14101 | crtc->base.state->enable ? "enabled" : "disabled", |
24929352 DV |
14102 | crtc->active ? "enabled" : "disabled"); |
14103 | ||
83d65738 | 14104 | crtc->base.state->enable = crtc->active; |
24929352 DV |
14105 | crtc->base.enabled = crtc->active; |
14106 | ||
14107 | /* Because we only establish the connector -> encoder -> | |
14108 | * crtc links if something is active, this means the | |
14109 | * crtc is now deactivated. Break the links. connector | |
14110 | * -> encoder links are only establish when things are | |
14111 | * actually up, hence no need to break them. */ | |
14112 | WARN_ON(crtc->active); | |
14113 | ||
14114 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { | |
14115 | WARN_ON(encoder->connectors_active); | |
14116 | encoder->base.crtc = NULL; | |
14117 | } | |
14118 | } | |
c5ab3bc0 | 14119 | |
a3ed6aad | 14120 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
4cc31489 DV |
14121 | /* |
14122 | * We start out with underrun reporting disabled to avoid races. | |
14123 | * For correct bookkeeping mark this on active crtcs. | |
14124 | * | |
c5ab3bc0 DV |
14125 | * Also on gmch platforms we dont have any hardware bits to |
14126 | * disable the underrun reporting. Which means we need to start | |
14127 | * out with underrun reporting disabled also on inactive pipes, | |
14128 | * since otherwise we'll complain about the garbage we read when | |
14129 | * e.g. coming up after runtime pm. | |
14130 | * | |
4cc31489 DV |
14131 | * No protection against concurrent access is required - at |
14132 | * worst a fifo underrun happens which also sets this to false. | |
14133 | */ | |
14134 | crtc->cpu_fifo_underrun_disabled = true; | |
14135 | crtc->pch_fifo_underrun_disabled = true; | |
14136 | } | |
24929352 DV |
14137 | } |
14138 | ||
14139 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
14140 | { | |
14141 | struct intel_connector *connector; | |
14142 | struct drm_device *dev = encoder->base.dev; | |
14143 | ||
14144 | /* We need to check both for a crtc link (meaning that the | |
14145 | * encoder is active and trying to read from a pipe) and the | |
14146 | * pipe itself being active. */ | |
14147 | bool has_active_crtc = encoder->base.crtc && | |
14148 | to_intel_crtc(encoder->base.crtc)->active; | |
14149 | ||
14150 | if (encoder->connectors_active && !has_active_crtc) { | |
14151 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", | |
14152 | encoder->base.base.id, | |
8e329a03 | 14153 | encoder->base.name); |
24929352 DV |
14154 | |
14155 | /* Connector is active, but has no active pipe. This is | |
14156 | * fallout from our resume register restoring. Disable | |
14157 | * the encoder manually again. */ | |
14158 | if (encoder->base.crtc) { | |
14159 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
14160 | encoder->base.base.id, | |
8e329a03 | 14161 | encoder->base.name); |
24929352 | 14162 | encoder->disable(encoder); |
a62d1497 VS |
14163 | if (encoder->post_disable) |
14164 | encoder->post_disable(encoder); | |
24929352 | 14165 | } |
7f1950fb EE |
14166 | encoder->base.crtc = NULL; |
14167 | encoder->connectors_active = false; | |
24929352 DV |
14168 | |
14169 | /* Inconsistent output/port/pipe state happens presumably due to | |
14170 | * a bug in one of the get_hw_state functions. Or someplace else | |
14171 | * in our code, like the register restore mess on resume. Clamp | |
14172 | * things to off as a safer default. */ | |
3a3371ff | 14173 | for_each_intel_connector(dev, connector) { |
24929352 DV |
14174 | if (connector->encoder != encoder) |
14175 | continue; | |
7f1950fb EE |
14176 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
14177 | connector->base.encoder = NULL; | |
24929352 DV |
14178 | } |
14179 | } | |
14180 | /* Enabled encoders without active connectors will be fixed in | |
14181 | * the crtc fixup. */ | |
14182 | } | |
14183 | ||
04098753 | 14184 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f KM |
14185 | { |
14186 | struct drm_i915_private *dev_priv = dev->dev_private; | |
766aa1c4 | 14187 | u32 vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 14188 | |
04098753 ID |
14189 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
14190 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
14191 | i915_disable_vga(dev); | |
14192 | } | |
14193 | } | |
14194 | ||
14195 | void i915_redisable_vga(struct drm_device *dev) | |
14196 | { | |
14197 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14198 | ||
8dc8a27c PZ |
14199 | /* This function can be called both from intel_modeset_setup_hw_state or |
14200 | * at a very early point in our resume sequence, where the power well | |
14201 | * structures are not yet restored. Since this function is at a very | |
14202 | * paranoid "someone might have enabled VGA while we were not looking" | |
14203 | * level, just check if the power well is enabled instead of trying to | |
14204 | * follow the "don't touch the power well if we don't need it" policy | |
14205 | * the rest of the driver uses. */ | |
f458ebbc | 14206 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
14207 | return; |
14208 | ||
04098753 | 14209 | i915_redisable_vga_power_on(dev); |
0fde901f KM |
14210 | } |
14211 | ||
98ec7739 VS |
14212 | static bool primary_get_hw_state(struct intel_crtc *crtc) |
14213 | { | |
14214 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
14215 | ||
14216 | if (!crtc->active) | |
14217 | return false; | |
14218 | ||
14219 | return I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE; | |
14220 | } | |
14221 | ||
30e984df | 14222 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 DV |
14223 | { |
14224 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14225 | enum pipe pipe; | |
24929352 DV |
14226 | struct intel_crtc *crtc; |
14227 | struct intel_encoder *encoder; | |
14228 | struct intel_connector *connector; | |
5358901f | 14229 | int i; |
24929352 | 14230 | |
d3fcc808 | 14231 | for_each_intel_crtc(dev, crtc) { |
6e3c9717 | 14232 | memset(crtc->config, 0, sizeof(*crtc->config)); |
3b117c8f | 14233 | |
6e3c9717 | 14234 | crtc->config->quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; |
9953599b | 14235 | |
0e8ffe1b | 14236 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
6e3c9717 | 14237 | crtc->config); |
24929352 | 14238 | |
83d65738 | 14239 | crtc->base.state->enable = crtc->active; |
24929352 | 14240 | crtc->base.enabled = crtc->active; |
98ec7739 | 14241 | crtc->primary_enabled = primary_get_hw_state(crtc); |
24929352 DV |
14242 | |
14243 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
14244 | crtc->base.base.id, | |
14245 | crtc->active ? "enabled" : "disabled"); | |
14246 | } | |
14247 | ||
5358901f DV |
14248 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
14249 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
14250 | ||
3e369b76 ACO |
14251 | pll->on = pll->get_hw_state(dev_priv, pll, |
14252 | &pll->config.hw_state); | |
5358901f | 14253 | pll->active = 0; |
3e369b76 | 14254 | pll->config.crtc_mask = 0; |
d3fcc808 | 14255 | for_each_intel_crtc(dev, crtc) { |
1e6f2ddc | 14256 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) { |
5358901f | 14257 | pll->active++; |
3e369b76 | 14258 | pll->config.crtc_mask |= 1 << crtc->pipe; |
1e6f2ddc | 14259 | } |
5358901f | 14260 | } |
5358901f | 14261 | |
1e6f2ddc | 14262 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
3e369b76 | 14263 | pll->name, pll->config.crtc_mask, pll->on); |
bd2bb1b9 | 14264 | |
3e369b76 | 14265 | if (pll->config.crtc_mask) |
bd2bb1b9 | 14266 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
5358901f DV |
14267 | } |
14268 | ||
b2784e15 | 14269 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
14270 | pipe = 0; |
14271 | ||
14272 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
14273 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
14274 | encoder->base.crtc = &crtc->base; | |
6e3c9717 | 14275 | encoder->get_config(encoder, crtc->config); |
24929352 DV |
14276 | } else { |
14277 | encoder->base.crtc = NULL; | |
14278 | } | |
14279 | ||
14280 | encoder->connectors_active = false; | |
6f2bcceb | 14281 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 | 14282 | encoder->base.base.id, |
8e329a03 | 14283 | encoder->base.name, |
24929352 | 14284 | encoder->base.crtc ? "enabled" : "disabled", |
6f2bcceb | 14285 | pipe_name(pipe)); |
24929352 DV |
14286 | } |
14287 | ||
3a3371ff | 14288 | for_each_intel_connector(dev, connector) { |
24929352 DV |
14289 | if (connector->get_hw_state(connector)) { |
14290 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
14291 | connector->encoder->connectors_active = true; | |
14292 | connector->base.encoder = &connector->encoder->base; | |
14293 | } else { | |
14294 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
14295 | connector->base.encoder = NULL; | |
14296 | } | |
14297 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
14298 | connector->base.base.id, | |
c23cc417 | 14299 | connector->base.name, |
24929352 DV |
14300 | connector->base.encoder ? "enabled" : "disabled"); |
14301 | } | |
30e984df DV |
14302 | } |
14303 | ||
14304 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm | |
14305 | * and i915 state tracking structures. */ | |
14306 | void intel_modeset_setup_hw_state(struct drm_device *dev, | |
14307 | bool force_restore) | |
14308 | { | |
14309 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14310 | enum pipe pipe; | |
30e984df DV |
14311 | struct intel_crtc *crtc; |
14312 | struct intel_encoder *encoder; | |
35c95375 | 14313 | int i; |
30e984df DV |
14314 | |
14315 | intel_modeset_readout_hw_state(dev); | |
24929352 | 14316 | |
babea61d JB |
14317 | /* |
14318 | * Now that we have the config, copy it to each CRTC struct | |
14319 | * Note that this could go away if we move to using crtc_config | |
14320 | * checking everywhere. | |
14321 | */ | |
d3fcc808 | 14322 | for_each_intel_crtc(dev, crtc) { |
d330a953 | 14323 | if (crtc->active && i915.fastboot) { |
6e3c9717 ACO |
14324 | intel_mode_from_pipe_config(&crtc->base.mode, |
14325 | crtc->config); | |
babea61d JB |
14326 | DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", |
14327 | crtc->base.base.id); | |
14328 | drm_mode_debug_printmodeline(&crtc->base.mode); | |
14329 | } | |
14330 | } | |
14331 | ||
24929352 | 14332 | /* HW state is read out, now we need to sanitize this mess. */ |
b2784e15 | 14333 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
14334 | intel_sanitize_encoder(encoder); |
14335 | } | |
14336 | ||
055e393f | 14337 | for_each_pipe(dev_priv, pipe) { |
24929352 DV |
14338 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
14339 | intel_sanitize_crtc(crtc); | |
6e3c9717 ACO |
14340 | intel_dump_pipe_config(crtc, crtc->config, |
14341 | "[setup_hw_state]"); | |
24929352 | 14342 | } |
9a935856 | 14343 | |
d29b2f9d ACO |
14344 | intel_modeset_update_connector_atomic_state(dev); |
14345 | ||
35c95375 DV |
14346 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
14347 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
14348 | ||
14349 | if (!pll->on || pll->active) | |
14350 | continue; | |
14351 | ||
14352 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
14353 | ||
14354 | pll->disable(dev_priv, pll); | |
14355 | pll->on = false; | |
14356 | } | |
14357 | ||
3078999f PB |
14358 | if (IS_GEN9(dev)) |
14359 | skl_wm_get_hw_state(dev); | |
14360 | else if (HAS_PCH_SPLIT(dev)) | |
243e6a44 VS |
14361 | ilk_wm_get_hw_state(dev); |
14362 | ||
45e2b5f6 | 14363 | if (force_restore) { |
7d0bc1ea VS |
14364 | i915_redisable_vga(dev); |
14365 | ||
f30da187 DV |
14366 | /* |
14367 | * We need to use raw interfaces for restoring state to avoid | |
14368 | * checking (bogus) intermediate states. | |
14369 | */ | |
055e393f | 14370 | for_each_pipe(dev_priv, pipe) { |
b5644d05 JB |
14371 | struct drm_crtc *crtc = |
14372 | dev_priv->pipe_to_crtc_mapping[pipe]; | |
f30da187 | 14373 | |
83a57153 | 14374 | intel_crtc_restore_mode(crtc); |
45e2b5f6 DV |
14375 | } |
14376 | } else { | |
14377 | intel_modeset_update_staged_output_state(dev); | |
14378 | } | |
8af6cf88 DV |
14379 | |
14380 | intel_modeset_check_state(dev); | |
2c7111db CW |
14381 | } |
14382 | ||
14383 | void intel_modeset_gem_init(struct drm_device *dev) | |
14384 | { | |
92122789 | 14385 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd | 14386 | struct drm_crtc *c; |
2ff8fde1 | 14387 | struct drm_i915_gem_object *obj; |
484b41dd | 14388 | |
ae48434c ID |
14389 | mutex_lock(&dev->struct_mutex); |
14390 | intel_init_gt_powersave(dev); | |
14391 | mutex_unlock(&dev->struct_mutex); | |
14392 | ||
92122789 JB |
14393 | /* |
14394 | * There may be no VBT; and if the BIOS enabled SSC we can | |
14395 | * just keep using it to avoid unnecessary flicker. Whereas if the | |
14396 | * BIOS isn't using it, don't assume it will work even if the VBT | |
14397 | * indicates as much. | |
14398 | */ | |
14399 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
14400 | dev_priv->vbt.lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & | |
14401 | DREF_SSC1_ENABLE); | |
14402 | ||
1833b134 | 14403 | intel_modeset_init_hw(dev); |
02e792fb DV |
14404 | |
14405 | intel_setup_overlay(dev); | |
484b41dd JB |
14406 | |
14407 | /* | |
14408 | * Make sure any fbs we allocated at startup are properly | |
14409 | * pinned & fenced. When we do the allocation it's too early | |
14410 | * for this. | |
14411 | */ | |
14412 | mutex_lock(&dev->struct_mutex); | |
70e1e0ec | 14413 | for_each_crtc(dev, c) { |
2ff8fde1 MR |
14414 | obj = intel_fb_obj(c->primary->fb); |
14415 | if (obj == NULL) | |
484b41dd JB |
14416 | continue; |
14417 | ||
850c4cdc TU |
14418 | if (intel_pin_and_fence_fb_obj(c->primary, |
14419 | c->primary->fb, | |
82bc3b2d | 14420 | c->primary->state, |
850c4cdc | 14421 | NULL)) { |
484b41dd JB |
14422 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
14423 | to_intel_crtc(c)->pipe); | |
66e514c1 DA |
14424 | drm_framebuffer_unreference(c->primary->fb); |
14425 | c->primary->fb = NULL; | |
afd65eb4 | 14426 | update_state_fb(c->primary); |
484b41dd JB |
14427 | } |
14428 | } | |
14429 | mutex_unlock(&dev->struct_mutex); | |
0962c3c9 VS |
14430 | |
14431 | intel_backlight_register(dev); | |
79e53945 JB |
14432 | } |
14433 | ||
4932e2c3 ID |
14434 | void intel_connector_unregister(struct intel_connector *intel_connector) |
14435 | { | |
14436 | struct drm_connector *connector = &intel_connector->base; | |
14437 | ||
14438 | intel_panel_destroy_backlight(connector); | |
34ea3d38 | 14439 | drm_connector_unregister(connector); |
4932e2c3 ID |
14440 | } |
14441 | ||
79e53945 JB |
14442 | void intel_modeset_cleanup(struct drm_device *dev) |
14443 | { | |
652c393a | 14444 | struct drm_i915_private *dev_priv = dev->dev_private; |
d9255d57 | 14445 | struct drm_connector *connector; |
652c393a | 14446 | |
2eb5252e ID |
14447 | intel_disable_gt_powersave(dev); |
14448 | ||
0962c3c9 VS |
14449 | intel_backlight_unregister(dev); |
14450 | ||
fd0c0642 DV |
14451 | /* |
14452 | * Interrupts and polling as the first thing to avoid creating havoc. | |
2eb5252e | 14453 | * Too much stuff here (turning of connectors, ...) would |
fd0c0642 DV |
14454 | * experience fancy races otherwise. |
14455 | */ | |
2aeb7d3a | 14456 | intel_irq_uninstall(dev_priv); |
eb21b92b | 14457 | |
fd0c0642 DV |
14458 | /* |
14459 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
14460 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
14461 | */ | |
f87ea761 | 14462 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 14463 | |
652c393a JB |
14464 | mutex_lock(&dev->struct_mutex); |
14465 | ||
723bfd70 JB |
14466 | intel_unregister_dsm_handler(); |
14467 | ||
7ff0ebcc | 14468 | intel_fbc_disable(dev); |
e70236a8 | 14469 | |
69341a5e KH |
14470 | mutex_unlock(&dev->struct_mutex); |
14471 | ||
1630fe75 CW |
14472 | /* flush any delayed tasks or pending work */ |
14473 | flush_scheduled_work(); | |
14474 | ||
db31af1d JN |
14475 | /* destroy the backlight and sysfs files before encoders/connectors */ |
14476 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
4932e2c3 ID |
14477 | struct intel_connector *intel_connector; |
14478 | ||
14479 | intel_connector = to_intel_connector(connector); | |
14480 | intel_connector->unregister(intel_connector); | |
db31af1d | 14481 | } |
d9255d57 | 14482 | |
79e53945 | 14483 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
14484 | |
14485 | intel_cleanup_overlay(dev); | |
ae48434c ID |
14486 | |
14487 | mutex_lock(&dev->struct_mutex); | |
14488 | intel_cleanup_gt_powersave(dev); | |
14489 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
14490 | } |
14491 | ||
f1c79df3 ZW |
14492 | /* |
14493 | * Return which encoder is currently attached for connector. | |
14494 | */ | |
df0e9248 | 14495 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 14496 | { |
df0e9248 CW |
14497 | return &intel_attached_encoder(connector)->base; |
14498 | } | |
f1c79df3 | 14499 | |
df0e9248 CW |
14500 | void intel_connector_attach_encoder(struct intel_connector *connector, |
14501 | struct intel_encoder *encoder) | |
14502 | { | |
14503 | connector->encoder = encoder; | |
14504 | drm_mode_connector_attach_encoder(&connector->base, | |
14505 | &encoder->base); | |
79e53945 | 14506 | } |
28d52043 DA |
14507 | |
14508 | /* | |
14509 | * set vga decode state - true == enable VGA decode | |
14510 | */ | |
14511 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
14512 | { | |
14513 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a885b3cc | 14514 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
14515 | u16 gmch_ctrl; |
14516 | ||
75fa041d CW |
14517 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
14518 | DRM_ERROR("failed to read control word\n"); | |
14519 | return -EIO; | |
14520 | } | |
14521 | ||
c0cc8a55 CW |
14522 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
14523 | return 0; | |
14524 | ||
28d52043 DA |
14525 | if (state) |
14526 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
14527 | else | |
14528 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
14529 | |
14530 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
14531 | DRM_ERROR("failed to write control word\n"); | |
14532 | return -EIO; | |
14533 | } | |
14534 | ||
28d52043 DA |
14535 | return 0; |
14536 | } | |
c4a1d9e4 | 14537 | |
c4a1d9e4 | 14538 | struct intel_display_error_state { |
ff57f1b0 PZ |
14539 | |
14540 | u32 power_well_driver; | |
14541 | ||
63b66e5b CW |
14542 | int num_transcoders; |
14543 | ||
c4a1d9e4 CW |
14544 | struct intel_cursor_error_state { |
14545 | u32 control; | |
14546 | u32 position; | |
14547 | u32 base; | |
14548 | u32 size; | |
52331309 | 14549 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
14550 | |
14551 | struct intel_pipe_error_state { | |
ddf9c536 | 14552 | bool power_domain_on; |
c4a1d9e4 | 14553 | u32 source; |
f301b1e1 | 14554 | u32 stat; |
52331309 | 14555 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
14556 | |
14557 | struct intel_plane_error_state { | |
14558 | u32 control; | |
14559 | u32 stride; | |
14560 | u32 size; | |
14561 | u32 pos; | |
14562 | u32 addr; | |
14563 | u32 surface; | |
14564 | u32 tile_offset; | |
52331309 | 14565 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
14566 | |
14567 | struct intel_transcoder_error_state { | |
ddf9c536 | 14568 | bool power_domain_on; |
63b66e5b CW |
14569 | enum transcoder cpu_transcoder; |
14570 | ||
14571 | u32 conf; | |
14572 | ||
14573 | u32 htotal; | |
14574 | u32 hblank; | |
14575 | u32 hsync; | |
14576 | u32 vtotal; | |
14577 | u32 vblank; | |
14578 | u32 vsync; | |
14579 | } transcoder[4]; | |
c4a1d9e4 CW |
14580 | }; |
14581 | ||
14582 | struct intel_display_error_state * | |
14583 | intel_display_capture_error_state(struct drm_device *dev) | |
14584 | { | |
fbee40df | 14585 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 | 14586 | struct intel_display_error_state *error; |
63b66e5b CW |
14587 | int transcoders[] = { |
14588 | TRANSCODER_A, | |
14589 | TRANSCODER_B, | |
14590 | TRANSCODER_C, | |
14591 | TRANSCODER_EDP, | |
14592 | }; | |
c4a1d9e4 CW |
14593 | int i; |
14594 | ||
63b66e5b CW |
14595 | if (INTEL_INFO(dev)->num_pipes == 0) |
14596 | return NULL; | |
14597 | ||
9d1cb914 | 14598 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
14599 | if (error == NULL) |
14600 | return NULL; | |
14601 | ||
190be112 | 14602 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
ff57f1b0 PZ |
14603 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
14604 | ||
055e393f | 14605 | for_each_pipe(dev_priv, i) { |
ddf9c536 | 14606 | error->pipe[i].power_domain_on = |
f458ebbc DV |
14607 | __intel_display_power_is_enabled(dev_priv, |
14608 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 14609 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
14610 | continue; |
14611 | ||
5efb3e28 VS |
14612 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
14613 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
14614 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
c4a1d9e4 CW |
14615 | |
14616 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
14617 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 14618 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 14619 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
14620 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
14621 | } | |
ca291363 PZ |
14622 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
14623 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
14624 | if (INTEL_INFO(dev)->gen >= 4) { |
14625 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
14626 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
14627 | } | |
14628 | ||
c4a1d9e4 | 14629 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
f301b1e1 | 14630 | |
3abfce77 | 14631 | if (HAS_GMCH_DISPLAY(dev)) |
f301b1e1 | 14632 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
63b66e5b CW |
14633 | } |
14634 | ||
14635 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; | |
14636 | if (HAS_DDI(dev_priv->dev)) | |
14637 | error->num_transcoders++; /* Account for eDP. */ | |
14638 | ||
14639 | for (i = 0; i < error->num_transcoders; i++) { | |
14640 | enum transcoder cpu_transcoder = transcoders[i]; | |
14641 | ||
ddf9c536 | 14642 | error->transcoder[i].power_domain_on = |
f458ebbc | 14643 | __intel_display_power_is_enabled(dev_priv, |
38cc1daf | 14644 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 14645 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
14646 | continue; |
14647 | ||
63b66e5b CW |
14648 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
14649 | ||
14650 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
14651 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
14652 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
14653 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
14654 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
14655 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
14656 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
14657 | } |
14658 | ||
14659 | return error; | |
14660 | } | |
14661 | ||
edc3d884 MK |
14662 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
14663 | ||
c4a1d9e4 | 14664 | void |
edc3d884 | 14665 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
14666 | struct drm_device *dev, |
14667 | struct intel_display_error_state *error) | |
14668 | { | |
055e393f | 14669 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 CW |
14670 | int i; |
14671 | ||
63b66e5b CW |
14672 | if (!error) |
14673 | return; | |
14674 | ||
edc3d884 | 14675 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 14676 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 14677 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 14678 | error->power_well_driver); |
055e393f | 14679 | for_each_pipe(dev_priv, i) { |
edc3d884 | 14680 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 ID |
14681 | err_printf(m, " Power: %s\n", |
14682 | error->pipe[i].power_domain_on ? "on" : "off"); | |
edc3d884 | 14683 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
f301b1e1 | 14684 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
edc3d884 MK |
14685 | |
14686 | err_printf(m, "Plane [%d]:\n", i); | |
14687 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
14688 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 14689 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
14690 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
14691 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 14692 | } |
4b71a570 | 14693 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 14694 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 14695 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
14696 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
14697 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
14698 | } |
14699 | ||
edc3d884 MK |
14700 | err_printf(m, "Cursor [%d]:\n", i); |
14701 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
14702 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
14703 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 14704 | } |
63b66e5b CW |
14705 | |
14706 | for (i = 0; i < error->num_transcoders; i++) { | |
1cf84bb6 | 14707 | err_printf(m, "CPU transcoder: %c\n", |
63b66e5b | 14708 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 ID |
14709 | err_printf(m, " Power: %s\n", |
14710 | error->transcoder[i].power_domain_on ? "on" : "off"); | |
63b66e5b CW |
14711 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
14712 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
14713 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
14714 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
14715 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
14716 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
14717 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
14718 | } | |
c4a1d9e4 | 14719 | } |
e2fcdaa9 VS |
14720 | |
14721 | void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file) | |
14722 | { | |
14723 | struct intel_crtc *crtc; | |
14724 | ||
14725 | for_each_intel_crtc(dev, crtc) { | |
14726 | struct intel_unpin_work *work; | |
e2fcdaa9 | 14727 | |
5e2d7afc | 14728 | spin_lock_irq(&dev->event_lock); |
e2fcdaa9 VS |
14729 | |
14730 | work = crtc->unpin_work; | |
14731 | ||
14732 | if (work && work->event && | |
14733 | work->event->base.file_priv == file) { | |
14734 | kfree(work->event); | |
14735 | work->event = NULL; | |
14736 | } | |
14737 | ||
5e2d7afc | 14738 | spin_unlock_irq(&dev->event_lock); |
e2fcdaa9 VS |
14739 | } |
14740 | } |