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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" |
760285e7 DH |
40 | #include <drm/drm_dp_helper.h> |
41 | #include <drm/drm_crtc_helper.h> | |
c0f372b3 | 42 | #include <linux/dma_remapping.h> |
79e53945 | 43 | |
0206e353 | 44 | bool intel_pipe_has_type(struct drm_crtc *crtc, int type); |
3dec0095 | 45 | static void intel_increase_pllclock(struct drm_crtc *crtc); |
6b383a7f | 46 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
79e53945 | 47 | |
79e53945 | 48 | typedef struct { |
0206e353 | 49 | int min, max; |
79e53945 JB |
50 | } intel_range_t; |
51 | ||
52 | typedef struct { | |
0206e353 AJ |
53 | int dot_limit; |
54 | int p2_slow, p2_fast; | |
79e53945 JB |
55 | } intel_p2_t; |
56 | ||
57 | #define INTEL_P2_NUM 2 | |
d4906093 ML |
58 | typedef struct intel_limit intel_limit_t; |
59 | struct intel_limit { | |
0206e353 AJ |
60 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
61 | intel_p2_t p2; | |
f4808ab8 VS |
62 | /** |
63 | * find_pll() - Find the best values for the PLL | |
64 | * @limit: limits for the PLL | |
65 | * @crtc: current CRTC | |
66 | * @target: target frequency in kHz | |
67 | * @refclk: reference clock frequency in kHz | |
68 | * @match_clock: if provided, @best_clock P divider must | |
69 | * match the P divider from @match_clock | |
70 | * used for LVDS downclocking | |
71 | * @best_clock: best PLL values found | |
72 | * | |
73 | * Returns true on success, false on failure. | |
74 | */ | |
75 | bool (*find_pll)(const intel_limit_t *limit, | |
76 | struct drm_crtc *crtc, | |
77 | int target, int refclk, | |
78 | intel_clock_t *match_clock, | |
79 | intel_clock_t *best_clock); | |
d4906093 | 80 | }; |
79e53945 | 81 | |
2377b741 JB |
82 | /* FDI */ |
83 | #define IRONLAKE_FDI_FREQ 2700000 /* in kHz for mode->clock */ | |
84 | ||
d2acd215 DV |
85 | int |
86 | intel_pch_rawclk(struct drm_device *dev) | |
87 | { | |
88 | struct drm_i915_private *dev_priv = dev->dev_private; | |
89 | ||
90 | WARN_ON(!HAS_PCH_SPLIT(dev)); | |
91 | ||
92 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; | |
93 | } | |
94 | ||
d4906093 ML |
95 | static bool |
96 | intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
cec2f356 SP |
97 | int target, int refclk, intel_clock_t *match_clock, |
98 | intel_clock_t *best_clock); | |
d4906093 ML |
99 | static bool |
100 | intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
cec2f356 SP |
101 | int target, int refclk, intel_clock_t *match_clock, |
102 | intel_clock_t *best_clock); | |
79e53945 | 103 | |
a0c4da24 JB |
104 | static bool |
105 | intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc, | |
106 | int target, int refclk, intel_clock_t *match_clock, | |
107 | intel_clock_t *best_clock); | |
108 | ||
021357ac CW |
109 | static inline u32 /* units of 100MHz */ |
110 | intel_fdi_link_freq(struct drm_device *dev) | |
111 | { | |
8b99e68c CW |
112 | if (IS_GEN5(dev)) { |
113 | struct drm_i915_private *dev_priv = dev->dev_private; | |
114 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; | |
115 | } else | |
116 | return 27; | |
021357ac CW |
117 | } |
118 | ||
e4b36699 | 119 | static const intel_limit_t intel_limits_i8xx_dvo = { |
0206e353 AJ |
120 | .dot = { .min = 25000, .max = 350000 }, |
121 | .vco = { .min = 930000, .max = 1400000 }, | |
122 | .n = { .min = 3, .max = 16 }, | |
123 | .m = { .min = 96, .max = 140 }, | |
124 | .m1 = { .min = 18, .max = 26 }, | |
125 | .m2 = { .min = 6, .max = 16 }, | |
126 | .p = { .min = 4, .max = 128 }, | |
127 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
128 | .p2 = { .dot_limit = 165000, |
129 | .p2_slow = 4, .p2_fast = 2 }, | |
d4906093 | 130 | .find_pll = intel_find_best_PLL, |
e4b36699 KP |
131 | }; |
132 | ||
133 | static const intel_limit_t intel_limits_i8xx_lvds = { | |
0206e353 AJ |
134 | .dot = { .min = 25000, .max = 350000 }, |
135 | .vco = { .min = 930000, .max = 1400000 }, | |
136 | .n = { .min = 3, .max = 16 }, | |
137 | .m = { .min = 96, .max = 140 }, | |
138 | .m1 = { .min = 18, .max = 26 }, | |
139 | .m2 = { .min = 6, .max = 16 }, | |
140 | .p = { .min = 4, .max = 128 }, | |
141 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
142 | .p2 = { .dot_limit = 165000, |
143 | .p2_slow = 14, .p2_fast = 7 }, | |
d4906093 | 144 | .find_pll = intel_find_best_PLL, |
e4b36699 | 145 | }; |
273e27ca | 146 | |
e4b36699 | 147 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
148 | .dot = { .min = 20000, .max = 400000 }, |
149 | .vco = { .min = 1400000, .max = 2800000 }, | |
150 | .n = { .min = 1, .max = 6 }, | |
151 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
152 | .m1 = { .min = 8, .max = 18 }, |
153 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
154 | .p = { .min = 5, .max = 80 }, |
155 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
156 | .p2 = { .dot_limit = 200000, |
157 | .p2_slow = 10, .p2_fast = 5 }, | |
d4906093 | 158 | .find_pll = intel_find_best_PLL, |
e4b36699 KP |
159 | }; |
160 | ||
161 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
162 | .dot = { .min = 20000, .max = 400000 }, |
163 | .vco = { .min = 1400000, .max = 2800000 }, | |
164 | .n = { .min = 1, .max = 6 }, | |
165 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
166 | .m1 = { .min = 8, .max = 18 }, |
167 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
168 | .p = { .min = 7, .max = 98 }, |
169 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
170 | .p2 = { .dot_limit = 112000, |
171 | .p2_slow = 14, .p2_fast = 7 }, | |
d4906093 | 172 | .find_pll = intel_find_best_PLL, |
e4b36699 KP |
173 | }; |
174 | ||
273e27ca | 175 | |
e4b36699 | 176 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
177 | .dot = { .min = 25000, .max = 270000 }, |
178 | .vco = { .min = 1750000, .max = 3500000}, | |
179 | .n = { .min = 1, .max = 4 }, | |
180 | .m = { .min = 104, .max = 138 }, | |
181 | .m1 = { .min = 17, .max = 23 }, | |
182 | .m2 = { .min = 5, .max = 11 }, | |
183 | .p = { .min = 10, .max = 30 }, | |
184 | .p1 = { .min = 1, .max = 3}, | |
185 | .p2 = { .dot_limit = 270000, | |
186 | .p2_slow = 10, | |
187 | .p2_fast = 10 | |
044c7c41 | 188 | }, |
d4906093 | 189 | .find_pll = intel_g4x_find_best_PLL, |
e4b36699 KP |
190 | }; |
191 | ||
192 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
193 | .dot = { .min = 22000, .max = 400000 }, |
194 | .vco = { .min = 1750000, .max = 3500000}, | |
195 | .n = { .min = 1, .max = 4 }, | |
196 | .m = { .min = 104, .max = 138 }, | |
197 | .m1 = { .min = 16, .max = 23 }, | |
198 | .m2 = { .min = 5, .max = 11 }, | |
199 | .p = { .min = 5, .max = 80 }, | |
200 | .p1 = { .min = 1, .max = 8}, | |
201 | .p2 = { .dot_limit = 165000, | |
202 | .p2_slow = 10, .p2_fast = 5 }, | |
d4906093 | 203 | .find_pll = intel_g4x_find_best_PLL, |
e4b36699 KP |
204 | }; |
205 | ||
206 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
207 | .dot = { .min = 20000, .max = 115000 }, |
208 | .vco = { .min = 1750000, .max = 3500000 }, | |
209 | .n = { .min = 1, .max = 3 }, | |
210 | .m = { .min = 104, .max = 138 }, | |
211 | .m1 = { .min = 17, .max = 23 }, | |
212 | .m2 = { .min = 5, .max = 11 }, | |
213 | .p = { .min = 28, .max = 112 }, | |
214 | .p1 = { .min = 2, .max = 8 }, | |
215 | .p2 = { .dot_limit = 0, | |
216 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 217 | }, |
d4906093 | 218 | .find_pll = intel_g4x_find_best_PLL, |
e4b36699 KP |
219 | }; |
220 | ||
221 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
222 | .dot = { .min = 80000, .max = 224000 }, |
223 | .vco = { .min = 1750000, .max = 3500000 }, | |
224 | .n = { .min = 1, .max = 3 }, | |
225 | .m = { .min = 104, .max = 138 }, | |
226 | .m1 = { .min = 17, .max = 23 }, | |
227 | .m2 = { .min = 5, .max = 11 }, | |
228 | .p = { .min = 14, .max = 42 }, | |
229 | .p1 = { .min = 2, .max = 6 }, | |
230 | .p2 = { .dot_limit = 0, | |
231 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 232 | }, |
d4906093 | 233 | .find_pll = intel_g4x_find_best_PLL, |
e4b36699 KP |
234 | }; |
235 | ||
f2b115e6 | 236 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
237 | .dot = { .min = 20000, .max = 400000}, |
238 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 239 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
240 | .n = { .min = 3, .max = 6 }, |
241 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 242 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
243 | .m1 = { .min = 0, .max = 0 }, |
244 | .m2 = { .min = 0, .max = 254 }, | |
245 | .p = { .min = 5, .max = 80 }, | |
246 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
247 | .p2 = { .dot_limit = 200000, |
248 | .p2_slow = 10, .p2_fast = 5 }, | |
6115707b | 249 | .find_pll = intel_find_best_PLL, |
e4b36699 KP |
250 | }; |
251 | ||
f2b115e6 | 252 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
253 | .dot = { .min = 20000, .max = 400000 }, |
254 | .vco = { .min = 1700000, .max = 3500000 }, | |
255 | .n = { .min = 3, .max = 6 }, | |
256 | .m = { .min = 2, .max = 256 }, | |
257 | .m1 = { .min = 0, .max = 0 }, | |
258 | .m2 = { .min = 0, .max = 254 }, | |
259 | .p = { .min = 7, .max = 112 }, | |
260 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
261 | .p2 = { .dot_limit = 112000, |
262 | .p2_slow = 14, .p2_fast = 14 }, | |
6115707b | 263 | .find_pll = intel_find_best_PLL, |
e4b36699 KP |
264 | }; |
265 | ||
273e27ca EA |
266 | /* Ironlake / Sandybridge |
267 | * | |
268 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
269 | * the range value for them is (actual_value - 2). | |
270 | */ | |
b91ad0ec | 271 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
272 | .dot = { .min = 25000, .max = 350000 }, |
273 | .vco = { .min = 1760000, .max = 3510000 }, | |
274 | .n = { .min = 1, .max = 5 }, | |
275 | .m = { .min = 79, .max = 127 }, | |
276 | .m1 = { .min = 12, .max = 22 }, | |
277 | .m2 = { .min = 5, .max = 9 }, | |
278 | .p = { .min = 5, .max = 80 }, | |
279 | .p1 = { .min = 1, .max = 8 }, | |
280 | .p2 = { .dot_limit = 225000, | |
281 | .p2_slow = 10, .p2_fast = 5 }, | |
4547668a | 282 | .find_pll = intel_g4x_find_best_PLL, |
e4b36699 KP |
283 | }; |
284 | ||
b91ad0ec | 285 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
286 | .dot = { .min = 25000, .max = 350000 }, |
287 | .vco = { .min = 1760000, .max = 3510000 }, | |
288 | .n = { .min = 1, .max = 3 }, | |
289 | .m = { .min = 79, .max = 118 }, | |
290 | .m1 = { .min = 12, .max = 22 }, | |
291 | .m2 = { .min = 5, .max = 9 }, | |
292 | .p = { .min = 28, .max = 112 }, | |
293 | .p1 = { .min = 2, .max = 8 }, | |
294 | .p2 = { .dot_limit = 225000, | |
295 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
296 | .find_pll = intel_g4x_find_best_PLL, |
297 | }; | |
298 | ||
299 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
300 | .dot = { .min = 25000, .max = 350000 }, |
301 | .vco = { .min = 1760000, .max = 3510000 }, | |
302 | .n = { .min = 1, .max = 3 }, | |
303 | .m = { .min = 79, .max = 127 }, | |
304 | .m1 = { .min = 12, .max = 22 }, | |
305 | .m2 = { .min = 5, .max = 9 }, | |
306 | .p = { .min = 14, .max = 56 }, | |
307 | .p1 = { .min = 2, .max = 8 }, | |
308 | .p2 = { .dot_limit = 225000, | |
309 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
310 | .find_pll = intel_g4x_find_best_PLL, |
311 | }; | |
312 | ||
273e27ca | 313 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 314 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
315 | .dot = { .min = 25000, .max = 350000 }, |
316 | .vco = { .min = 1760000, .max = 3510000 }, | |
317 | .n = { .min = 1, .max = 2 }, | |
318 | .m = { .min = 79, .max = 126 }, | |
319 | .m1 = { .min = 12, .max = 22 }, | |
320 | .m2 = { .min = 5, .max = 9 }, | |
321 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 322 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
323 | .p2 = { .dot_limit = 225000, |
324 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
325 | .find_pll = intel_g4x_find_best_PLL, |
326 | }; | |
327 | ||
328 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
329 | .dot = { .min = 25000, .max = 350000 }, |
330 | .vco = { .min = 1760000, .max = 3510000 }, | |
331 | .n = { .min = 1, .max = 3 }, | |
332 | .m = { .min = 79, .max = 126 }, | |
333 | .m1 = { .min = 12, .max = 22 }, | |
334 | .m2 = { .min = 5, .max = 9 }, | |
335 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 336 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
337 | .p2 = { .dot_limit = 225000, |
338 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
339 | .find_pll = intel_g4x_find_best_PLL, |
340 | }; | |
341 | ||
a0c4da24 JB |
342 | static const intel_limit_t intel_limits_vlv_dac = { |
343 | .dot = { .min = 25000, .max = 270000 }, | |
344 | .vco = { .min = 4000000, .max = 6000000 }, | |
345 | .n = { .min = 1, .max = 7 }, | |
346 | .m = { .min = 22, .max = 450 }, /* guess */ | |
347 | .m1 = { .min = 2, .max = 3 }, | |
348 | .m2 = { .min = 11, .max = 156 }, | |
349 | .p = { .min = 10, .max = 30 }, | |
75e53986 | 350 | .p1 = { .min = 1, .max = 3 }, |
a0c4da24 JB |
351 | .p2 = { .dot_limit = 270000, |
352 | .p2_slow = 2, .p2_fast = 20 }, | |
353 | .find_pll = intel_vlv_find_best_pll, | |
354 | }; | |
355 | ||
356 | static const intel_limit_t intel_limits_vlv_hdmi = { | |
75e53986 DV |
357 | .dot = { .min = 25000, .max = 270000 }, |
358 | .vco = { .min = 4000000, .max = 6000000 }, | |
a0c4da24 JB |
359 | .n = { .min = 1, .max = 7 }, |
360 | .m = { .min = 60, .max = 300 }, /* guess */ | |
361 | .m1 = { .min = 2, .max = 3 }, | |
362 | .m2 = { .min = 11, .max = 156 }, | |
363 | .p = { .min = 10, .max = 30 }, | |
364 | .p1 = { .min = 2, .max = 3 }, | |
365 | .p2 = { .dot_limit = 270000, | |
366 | .p2_slow = 2, .p2_fast = 20 }, | |
367 | .find_pll = intel_vlv_find_best_pll, | |
368 | }; | |
369 | ||
370 | static const intel_limit_t intel_limits_vlv_dp = { | |
74a4dd2e VP |
371 | .dot = { .min = 25000, .max = 270000 }, |
372 | .vco = { .min = 4000000, .max = 6000000 }, | |
a0c4da24 | 373 | .n = { .min = 1, .max = 7 }, |
74a4dd2e | 374 | .m = { .min = 22, .max = 450 }, |
a0c4da24 JB |
375 | .m1 = { .min = 2, .max = 3 }, |
376 | .m2 = { .min = 11, .max = 156 }, | |
377 | .p = { .min = 10, .max = 30 }, | |
75e53986 | 378 | .p1 = { .min = 1, .max = 3 }, |
a0c4da24 JB |
379 | .p2 = { .dot_limit = 270000, |
380 | .p2_slow = 2, .p2_fast = 20 }, | |
381 | .find_pll = intel_vlv_find_best_pll, | |
382 | }; | |
383 | ||
57f350b6 JB |
384 | u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg) |
385 | { | |
09153000 | 386 | WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock)); |
57f350b6 | 387 | |
57f350b6 JB |
388 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) { |
389 | DRM_ERROR("DPIO idle wait timed out\n"); | |
09153000 | 390 | return 0; |
57f350b6 JB |
391 | } |
392 | ||
393 | I915_WRITE(DPIO_REG, reg); | |
394 | I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_READ | DPIO_PORTID | | |
395 | DPIO_BYTE); | |
396 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) { | |
397 | DRM_ERROR("DPIO read wait timed out\n"); | |
09153000 | 398 | return 0; |
57f350b6 | 399 | } |
57f350b6 | 400 | |
09153000 | 401 | return I915_READ(DPIO_DATA); |
57f350b6 JB |
402 | } |
403 | ||
e2fa6fba | 404 | void intel_dpio_write(struct drm_i915_private *dev_priv, int reg, u32 val) |
a0c4da24 | 405 | { |
09153000 | 406 | WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock)); |
a0c4da24 | 407 | |
a0c4da24 JB |
408 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) { |
409 | DRM_ERROR("DPIO idle wait timed out\n"); | |
09153000 | 410 | return; |
a0c4da24 JB |
411 | } |
412 | ||
413 | I915_WRITE(DPIO_DATA, val); | |
414 | I915_WRITE(DPIO_REG, reg); | |
415 | I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_WRITE | DPIO_PORTID | | |
416 | DPIO_BYTE); | |
417 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) | |
418 | DRM_ERROR("DPIO write wait timed out\n"); | |
a0c4da24 JB |
419 | } |
420 | ||
1b894b59 CW |
421 | static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, |
422 | int refclk) | |
2c07245f | 423 | { |
b91ad0ec | 424 | struct drm_device *dev = crtc->dev; |
2c07245f | 425 | const intel_limit_t *limit; |
b91ad0ec ZW |
426 | |
427 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
1974cad0 | 428 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 429 | if (refclk == 100000) |
b91ad0ec ZW |
430 | limit = &intel_limits_ironlake_dual_lvds_100m; |
431 | else | |
432 | limit = &intel_limits_ironlake_dual_lvds; | |
433 | } else { | |
1b894b59 | 434 | if (refclk == 100000) |
b91ad0ec ZW |
435 | limit = &intel_limits_ironlake_single_lvds_100m; |
436 | else | |
437 | limit = &intel_limits_ironlake_single_lvds; | |
438 | } | |
c6bb3538 | 439 | } else |
b91ad0ec | 440 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
441 | |
442 | return limit; | |
443 | } | |
444 | ||
044c7c41 ML |
445 | static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc) |
446 | { | |
447 | struct drm_device *dev = crtc->dev; | |
044c7c41 ML |
448 | const intel_limit_t *limit; |
449 | ||
450 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
1974cad0 | 451 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 452 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 453 | else |
e4b36699 | 454 | limit = &intel_limits_g4x_single_channel_lvds; |
044c7c41 ML |
455 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI) || |
456 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 457 | limit = &intel_limits_g4x_hdmi; |
044c7c41 | 458 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 459 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 460 | } else /* The option is for other outputs */ |
e4b36699 | 461 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
462 | |
463 | return limit; | |
464 | } | |
465 | ||
1b894b59 | 466 | static const intel_limit_t *intel_limit(struct drm_crtc *crtc, int refclk) |
79e53945 JB |
467 | { |
468 | struct drm_device *dev = crtc->dev; | |
469 | const intel_limit_t *limit; | |
470 | ||
bad720ff | 471 | if (HAS_PCH_SPLIT(dev)) |
1b894b59 | 472 | limit = intel_ironlake_limit(crtc, refclk); |
2c07245f | 473 | else if (IS_G4X(dev)) { |
044c7c41 | 474 | limit = intel_g4x_limit(crtc); |
f2b115e6 | 475 | } else if (IS_PINEVIEW(dev)) { |
2177832f | 476 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 477 | limit = &intel_limits_pineview_lvds; |
2177832f | 478 | else |
f2b115e6 | 479 | limit = &intel_limits_pineview_sdvo; |
a0c4da24 JB |
480 | } else if (IS_VALLEYVIEW(dev)) { |
481 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) | |
482 | limit = &intel_limits_vlv_dac; | |
483 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) | |
484 | limit = &intel_limits_vlv_hdmi; | |
485 | else | |
486 | limit = &intel_limits_vlv_dp; | |
a6c45cf0 CW |
487 | } else if (!IS_GEN2(dev)) { |
488 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) | |
489 | limit = &intel_limits_i9xx_lvds; | |
490 | else | |
491 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 JB |
492 | } else { |
493 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) | |
e4b36699 | 494 | limit = &intel_limits_i8xx_lvds; |
79e53945 | 495 | else |
e4b36699 | 496 | limit = &intel_limits_i8xx_dvo; |
79e53945 JB |
497 | } |
498 | return limit; | |
499 | } | |
500 | ||
f2b115e6 AJ |
501 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
502 | static void pineview_clock(int refclk, intel_clock_t *clock) | |
79e53945 | 503 | { |
2177832f SL |
504 | clock->m = clock->m2 + 2; |
505 | clock->p = clock->p1 * clock->p2; | |
506 | clock->vco = refclk * clock->m / clock->n; | |
507 | clock->dot = clock->vco / clock->p; | |
508 | } | |
509 | ||
7429e9d4 DV |
510 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
511 | { | |
512 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
513 | } | |
514 | ||
2177832f SL |
515 | static void intel_clock(struct drm_device *dev, int refclk, intel_clock_t *clock) |
516 | { | |
f2b115e6 AJ |
517 | if (IS_PINEVIEW(dev)) { |
518 | pineview_clock(refclk, clock); | |
2177832f SL |
519 | return; |
520 | } | |
7429e9d4 | 521 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 JB |
522 | clock->p = clock->p1 * clock->p2; |
523 | clock->vco = refclk * clock->m / (clock->n + 2); | |
524 | clock->dot = clock->vco / clock->p; | |
525 | } | |
526 | ||
79e53945 JB |
527 | /** |
528 | * Returns whether any output on the specified pipe is of the specified type | |
529 | */ | |
4ef69c7a | 530 | bool intel_pipe_has_type(struct drm_crtc *crtc, int type) |
79e53945 | 531 | { |
4ef69c7a | 532 | struct drm_device *dev = crtc->dev; |
4ef69c7a CW |
533 | struct intel_encoder *encoder; |
534 | ||
6c2b7c12 DV |
535 | for_each_encoder_on_crtc(dev, crtc, encoder) |
536 | if (encoder->type == type) | |
4ef69c7a CW |
537 | return true; |
538 | ||
539 | return false; | |
79e53945 JB |
540 | } |
541 | ||
7c04d1d9 | 542 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
543 | /** |
544 | * Returns whether the given set of divisors are valid for a given refclk with | |
545 | * the given connectors. | |
546 | */ | |
547 | ||
1b894b59 CW |
548 | static bool intel_PLL_is_valid(struct drm_device *dev, |
549 | const intel_limit_t *limit, | |
550 | const intel_clock_t *clock) | |
79e53945 | 551 | { |
79e53945 | 552 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 553 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 554 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
0206e353 | 555 | INTELPllInvalid("p out of range\n"); |
79e53945 | 556 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 557 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 558 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 559 | INTELPllInvalid("m1 out of range\n"); |
f2b115e6 | 560 | if (clock->m1 <= clock->m2 && !IS_PINEVIEW(dev)) |
0206e353 | 561 | INTELPllInvalid("m1 <= m2\n"); |
79e53945 | 562 | if (clock->m < limit->m.min || limit->m.max < clock->m) |
0206e353 | 563 | INTELPllInvalid("m out of range\n"); |
79e53945 | 564 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
0206e353 | 565 | INTELPllInvalid("n out of range\n"); |
79e53945 | 566 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 567 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
568 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
569 | * connector, etc., rather than just a single range. | |
570 | */ | |
571 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 572 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
573 | |
574 | return true; | |
575 | } | |
576 | ||
d4906093 ML |
577 | static bool |
578 | intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
cec2f356 SP |
579 | int target, int refclk, intel_clock_t *match_clock, |
580 | intel_clock_t *best_clock) | |
d4906093 | 581 | |
79e53945 JB |
582 | { |
583 | struct drm_device *dev = crtc->dev; | |
79e53945 | 584 | intel_clock_t clock; |
79e53945 JB |
585 | int err = target; |
586 | ||
a210b028 | 587 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
79e53945 | 588 | /* |
a210b028 DV |
589 | * For LVDS just rely on its current settings for dual-channel. |
590 | * We haven't figured out how to reliably set up different | |
591 | * single/dual channel state, if we even can. | |
79e53945 | 592 | */ |
1974cad0 | 593 | if (intel_is_dual_link_lvds(dev)) |
79e53945 JB |
594 | clock.p2 = limit->p2.p2_fast; |
595 | else | |
596 | clock.p2 = limit->p2.p2_slow; | |
597 | } else { | |
598 | if (target < limit->p2.dot_limit) | |
599 | clock.p2 = limit->p2.p2_slow; | |
600 | else | |
601 | clock.p2 = limit->p2.p2_fast; | |
602 | } | |
603 | ||
0206e353 | 604 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 605 | |
42158660 ZY |
606 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
607 | clock.m1++) { | |
608 | for (clock.m2 = limit->m2.min; | |
609 | clock.m2 <= limit->m2.max; clock.m2++) { | |
f2b115e6 AJ |
610 | /* m1 is always 0 in Pineview */ |
611 | if (clock.m2 >= clock.m1 && !IS_PINEVIEW(dev)) | |
42158660 ZY |
612 | break; |
613 | for (clock.n = limit->n.min; | |
614 | clock.n <= limit->n.max; clock.n++) { | |
615 | for (clock.p1 = limit->p1.min; | |
616 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
617 | int this_err; |
618 | ||
2177832f | 619 | intel_clock(dev, refclk, &clock); |
1b894b59 CW |
620 | if (!intel_PLL_is_valid(dev, limit, |
621 | &clock)) | |
79e53945 | 622 | continue; |
cec2f356 SP |
623 | if (match_clock && |
624 | clock.p != match_clock->p) | |
625 | continue; | |
79e53945 JB |
626 | |
627 | this_err = abs(clock.dot - target); | |
628 | if (this_err < err) { | |
629 | *best_clock = clock; | |
630 | err = this_err; | |
631 | } | |
632 | } | |
633 | } | |
634 | } | |
635 | } | |
636 | ||
637 | return (err != target); | |
638 | } | |
639 | ||
d4906093 ML |
640 | static bool |
641 | intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, | |
cec2f356 SP |
642 | int target, int refclk, intel_clock_t *match_clock, |
643 | intel_clock_t *best_clock) | |
d4906093 ML |
644 | { |
645 | struct drm_device *dev = crtc->dev; | |
d4906093 ML |
646 | intel_clock_t clock; |
647 | int max_n; | |
648 | bool found; | |
6ba770dc AJ |
649 | /* approximately equals target * 0.00585 */ |
650 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
651 | found = false; |
652 | ||
653 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
4547668a ZY |
654 | int lvds_reg; |
655 | ||
c619eed4 | 656 | if (HAS_PCH_SPLIT(dev)) |
4547668a ZY |
657 | lvds_reg = PCH_LVDS; |
658 | else | |
659 | lvds_reg = LVDS; | |
1974cad0 | 660 | if (intel_is_dual_link_lvds(dev)) |
d4906093 ML |
661 | clock.p2 = limit->p2.p2_fast; |
662 | else | |
663 | clock.p2 = limit->p2.p2_slow; | |
664 | } else { | |
665 | if (target < limit->p2.dot_limit) | |
666 | clock.p2 = limit->p2.p2_slow; | |
667 | else | |
668 | clock.p2 = limit->p2.p2_fast; | |
669 | } | |
670 | ||
671 | memset(best_clock, 0, sizeof(*best_clock)); | |
672 | max_n = limit->n.max; | |
f77f13e2 | 673 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 674 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 675 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
676 | for (clock.m1 = limit->m1.max; |
677 | clock.m1 >= limit->m1.min; clock.m1--) { | |
678 | for (clock.m2 = limit->m2.max; | |
679 | clock.m2 >= limit->m2.min; clock.m2--) { | |
680 | for (clock.p1 = limit->p1.max; | |
681 | clock.p1 >= limit->p1.min; clock.p1--) { | |
682 | int this_err; | |
683 | ||
2177832f | 684 | intel_clock(dev, refclk, &clock); |
1b894b59 CW |
685 | if (!intel_PLL_is_valid(dev, limit, |
686 | &clock)) | |
d4906093 | 687 | continue; |
1b894b59 CW |
688 | |
689 | this_err = abs(clock.dot - target); | |
d4906093 ML |
690 | if (this_err < err_most) { |
691 | *best_clock = clock; | |
692 | err_most = this_err; | |
693 | max_n = clock.n; | |
694 | found = true; | |
695 | } | |
696 | } | |
697 | } | |
698 | } | |
699 | } | |
2c07245f ZW |
700 | return found; |
701 | } | |
702 | ||
a0c4da24 JB |
703 | static bool |
704 | intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc, | |
705 | int target, int refclk, intel_clock_t *match_clock, | |
706 | intel_clock_t *best_clock) | |
707 | { | |
708 | u32 p1, p2, m1, m2, vco, bestn, bestm1, bestm2, bestp1, bestp2; | |
709 | u32 m, n, fastclk; | |
710 | u32 updrate, minupdate, fracbits, p; | |
711 | unsigned long bestppm, ppm, absppm; | |
712 | int dotclk, flag; | |
713 | ||
af447bd3 | 714 | flag = 0; |
a0c4da24 JB |
715 | dotclk = target * 1000; |
716 | bestppm = 1000000; | |
717 | ppm = absppm = 0; | |
718 | fastclk = dotclk / (2*100); | |
719 | updrate = 0; | |
720 | minupdate = 19200; | |
721 | fracbits = 1; | |
722 | n = p = p1 = p2 = m = m1 = m2 = vco = bestn = 0; | |
723 | bestm1 = bestm2 = bestp1 = bestp2 = 0; | |
724 | ||
725 | /* based on hardware requirement, prefer smaller n to precision */ | |
726 | for (n = limit->n.min; n <= ((refclk) / minupdate); n++) { | |
727 | updrate = refclk / n; | |
728 | for (p1 = limit->p1.max; p1 > limit->p1.min; p1--) { | |
729 | for (p2 = limit->p2.p2_fast+1; p2 > 0; p2--) { | |
730 | if (p2 > 10) | |
731 | p2 = p2 - 1; | |
732 | p = p1 * p2; | |
733 | /* based on hardware requirement, prefer bigger m1,m2 values */ | |
734 | for (m1 = limit->m1.min; m1 <= limit->m1.max; m1++) { | |
735 | m2 = (((2*(fastclk * p * n / m1 )) + | |
736 | refclk) / (2*refclk)); | |
737 | m = m1 * m2; | |
738 | vco = updrate * m; | |
739 | if (vco >= limit->vco.min && vco < limit->vco.max) { | |
740 | ppm = 1000000 * ((vco / p) - fastclk) / fastclk; | |
741 | absppm = (ppm > 0) ? ppm : (-ppm); | |
742 | if (absppm < 100 && ((p1 * p2) > (bestp1 * bestp2))) { | |
743 | bestppm = 0; | |
744 | flag = 1; | |
745 | } | |
746 | if (absppm < bestppm - 10) { | |
747 | bestppm = absppm; | |
748 | flag = 1; | |
749 | } | |
750 | if (flag) { | |
751 | bestn = n; | |
752 | bestm1 = m1; | |
753 | bestm2 = m2; | |
754 | bestp1 = p1; | |
755 | bestp2 = p2; | |
756 | flag = 0; | |
757 | } | |
758 | } | |
759 | } | |
760 | } | |
761 | } | |
762 | } | |
763 | best_clock->n = bestn; | |
764 | best_clock->m1 = bestm1; | |
765 | best_clock->m2 = bestm2; | |
766 | best_clock->p1 = bestp1; | |
767 | best_clock->p2 = bestp2; | |
768 | ||
769 | return true; | |
770 | } | |
a4fc5ed6 | 771 | |
a5c961d1 PZ |
772 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
773 | enum pipe pipe) | |
774 | { | |
775 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
776 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
777 | ||
3b117c8f | 778 | return intel_crtc->config.cpu_transcoder; |
a5c961d1 PZ |
779 | } |
780 | ||
a928d536 PZ |
781 | static void ironlake_wait_for_vblank(struct drm_device *dev, int pipe) |
782 | { | |
783 | struct drm_i915_private *dev_priv = dev->dev_private; | |
784 | u32 frame, frame_reg = PIPEFRAME(pipe); | |
785 | ||
786 | frame = I915_READ(frame_reg); | |
787 | ||
788 | if (wait_for(I915_READ_NOTRACE(frame_reg) != frame, 50)) | |
789 | DRM_DEBUG_KMS("vblank wait timed out\n"); | |
790 | } | |
791 | ||
9d0498a2 JB |
792 | /** |
793 | * intel_wait_for_vblank - wait for vblank on a given pipe | |
794 | * @dev: drm device | |
795 | * @pipe: pipe to wait for | |
796 | * | |
797 | * Wait for vblank to occur on a given pipe. Needed for various bits of | |
798 | * mode setting code. | |
799 | */ | |
800 | void intel_wait_for_vblank(struct drm_device *dev, int pipe) | |
79e53945 | 801 | { |
9d0498a2 | 802 | struct drm_i915_private *dev_priv = dev->dev_private; |
9db4a9c7 | 803 | int pipestat_reg = PIPESTAT(pipe); |
9d0498a2 | 804 | |
a928d536 PZ |
805 | if (INTEL_INFO(dev)->gen >= 5) { |
806 | ironlake_wait_for_vblank(dev, pipe); | |
807 | return; | |
808 | } | |
809 | ||
300387c0 CW |
810 | /* Clear existing vblank status. Note this will clear any other |
811 | * sticky status fields as well. | |
812 | * | |
813 | * This races with i915_driver_irq_handler() with the result | |
814 | * that either function could miss a vblank event. Here it is not | |
815 | * fatal, as we will either wait upon the next vblank interrupt or | |
816 | * timeout. Generally speaking intel_wait_for_vblank() is only | |
817 | * called during modeset at which time the GPU should be idle and | |
818 | * should *not* be performing page flips and thus not waiting on | |
819 | * vblanks... | |
820 | * Currently, the result of us stealing a vblank from the irq | |
821 | * handler is that a single frame will be skipped during swapbuffers. | |
822 | */ | |
823 | I915_WRITE(pipestat_reg, | |
824 | I915_READ(pipestat_reg) | PIPE_VBLANK_INTERRUPT_STATUS); | |
825 | ||
9d0498a2 | 826 | /* Wait for vblank interrupt bit to set */ |
481b6af3 CW |
827 | if (wait_for(I915_READ(pipestat_reg) & |
828 | PIPE_VBLANK_INTERRUPT_STATUS, | |
829 | 50)) | |
9d0498a2 JB |
830 | DRM_DEBUG_KMS("vblank wait timed out\n"); |
831 | } | |
832 | ||
ab7ad7f6 KP |
833 | /* |
834 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
9d0498a2 JB |
835 | * @dev: drm device |
836 | * @pipe: pipe to wait for | |
837 | * | |
838 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
839 | * spinning on the vblank interrupt status bit, since we won't actually | |
840 | * see an interrupt when the pipe is disabled. | |
841 | * | |
ab7ad7f6 KP |
842 | * On Gen4 and above: |
843 | * wait for the pipe register state bit to turn off | |
844 | * | |
845 | * Otherwise: | |
846 | * wait for the display line value to settle (it usually | |
847 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 848 | * |
9d0498a2 | 849 | */ |
58e10eb9 | 850 | void intel_wait_for_pipe_off(struct drm_device *dev, int pipe) |
9d0498a2 JB |
851 | { |
852 | struct drm_i915_private *dev_priv = dev->dev_private; | |
702e7a56 PZ |
853 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
854 | pipe); | |
ab7ad7f6 KP |
855 | |
856 | if (INTEL_INFO(dev)->gen >= 4) { | |
702e7a56 | 857 | int reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
858 | |
859 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
860 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
861 | 100)) | |
284637d9 | 862 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 863 | } else { |
837ba00f | 864 | u32 last_line, line_mask; |
58e10eb9 | 865 | int reg = PIPEDSL(pipe); |
ab7ad7f6 KP |
866 | unsigned long timeout = jiffies + msecs_to_jiffies(100); |
867 | ||
837ba00f PZ |
868 | if (IS_GEN2(dev)) |
869 | line_mask = DSL_LINEMASK_GEN2; | |
870 | else | |
871 | line_mask = DSL_LINEMASK_GEN3; | |
872 | ||
ab7ad7f6 KP |
873 | /* Wait for the display line to settle */ |
874 | do { | |
837ba00f | 875 | last_line = I915_READ(reg) & line_mask; |
ab7ad7f6 | 876 | mdelay(5); |
837ba00f | 877 | } while (((I915_READ(reg) & line_mask) != last_line) && |
ab7ad7f6 KP |
878 | time_after(timeout, jiffies)); |
879 | if (time_after(jiffies, timeout)) | |
284637d9 | 880 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 881 | } |
79e53945 JB |
882 | } |
883 | ||
b0ea7d37 DL |
884 | /* |
885 | * ibx_digital_port_connected - is the specified port connected? | |
886 | * @dev_priv: i915 private structure | |
887 | * @port: the port to test | |
888 | * | |
889 | * Returns true if @port is connected, false otherwise. | |
890 | */ | |
891 | bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, | |
892 | struct intel_digital_port *port) | |
893 | { | |
894 | u32 bit; | |
895 | ||
c36346e3 DL |
896 | if (HAS_PCH_IBX(dev_priv->dev)) { |
897 | switch(port->port) { | |
898 | case PORT_B: | |
899 | bit = SDE_PORTB_HOTPLUG; | |
900 | break; | |
901 | case PORT_C: | |
902 | bit = SDE_PORTC_HOTPLUG; | |
903 | break; | |
904 | case PORT_D: | |
905 | bit = SDE_PORTD_HOTPLUG; | |
906 | break; | |
907 | default: | |
908 | return true; | |
909 | } | |
910 | } else { | |
911 | switch(port->port) { | |
912 | case PORT_B: | |
913 | bit = SDE_PORTB_HOTPLUG_CPT; | |
914 | break; | |
915 | case PORT_C: | |
916 | bit = SDE_PORTC_HOTPLUG_CPT; | |
917 | break; | |
918 | case PORT_D: | |
919 | bit = SDE_PORTD_HOTPLUG_CPT; | |
920 | break; | |
921 | default: | |
922 | return true; | |
923 | } | |
b0ea7d37 DL |
924 | } |
925 | ||
926 | return I915_READ(SDEISR) & bit; | |
927 | } | |
928 | ||
b24e7179 JB |
929 | static const char *state_string(bool enabled) |
930 | { | |
931 | return enabled ? "on" : "off"; | |
932 | } | |
933 | ||
934 | /* Only for pre-ILK configs */ | |
935 | static void assert_pll(struct drm_i915_private *dev_priv, | |
936 | enum pipe pipe, bool state) | |
937 | { | |
938 | int reg; | |
939 | u32 val; | |
940 | bool cur_state; | |
941 | ||
942 | reg = DPLL(pipe); | |
943 | val = I915_READ(reg); | |
944 | cur_state = !!(val & DPLL_VCO_ENABLE); | |
945 | WARN(cur_state != state, | |
946 | "PLL state assertion failure (expected %s, current %s)\n", | |
947 | state_string(state), state_string(cur_state)); | |
948 | } | |
949 | #define assert_pll_enabled(d, p) assert_pll(d, p, true) | |
950 | #define assert_pll_disabled(d, p) assert_pll(d, p, false) | |
951 | ||
040484af JB |
952 | /* For ILK+ */ |
953 | static void assert_pch_pll(struct drm_i915_private *dev_priv, | |
92b27b08 CW |
954 | struct intel_pch_pll *pll, |
955 | struct intel_crtc *crtc, | |
956 | bool state) | |
040484af | 957 | { |
040484af JB |
958 | u32 val; |
959 | bool cur_state; | |
960 | ||
9d82aa17 ED |
961 | if (HAS_PCH_LPT(dev_priv->dev)) { |
962 | DRM_DEBUG_DRIVER("LPT detected: skipping PCH PLL test\n"); | |
963 | return; | |
964 | } | |
965 | ||
92b27b08 CW |
966 | if (WARN (!pll, |
967 | "asserting PCH PLL %s with no PLL\n", state_string(state))) | |
ee7b9f93 | 968 | return; |
ee7b9f93 | 969 | |
92b27b08 CW |
970 | val = I915_READ(pll->pll_reg); |
971 | cur_state = !!(val & DPLL_VCO_ENABLE); | |
972 | WARN(cur_state != state, | |
973 | "PCH PLL state for reg %x assertion failure (expected %s, current %s), val=%08x\n", | |
974 | pll->pll_reg, state_string(state), state_string(cur_state), val); | |
975 | ||
976 | /* Make sure the selected PLL is correctly attached to the transcoder */ | |
977 | if (crtc && HAS_PCH_CPT(dev_priv->dev)) { | |
d3ccbe86 JB |
978 | u32 pch_dpll; |
979 | ||
980 | pch_dpll = I915_READ(PCH_DPLL_SEL); | |
92b27b08 CW |
981 | cur_state = pll->pll_reg == _PCH_DPLL_B; |
982 | if (!WARN(((pch_dpll >> (4 * crtc->pipe)) & 1) != cur_state, | |
4bb6f1f3 VS |
983 | "PLL[%d] not attached to this transcoder %c: %08x\n", |
984 | cur_state, pipe_name(crtc->pipe), pch_dpll)) { | |
92b27b08 CW |
985 | cur_state = !!(val >> (4*crtc->pipe + 3)); |
986 | WARN(cur_state != state, | |
4bb6f1f3 | 987 | "PLL[%d] not %s on this transcoder %c: %08x\n", |
92b27b08 CW |
988 | pll->pll_reg == _PCH_DPLL_B, |
989 | state_string(state), | |
4bb6f1f3 | 990 | pipe_name(crtc->pipe), |
92b27b08 CW |
991 | val); |
992 | } | |
d3ccbe86 | 993 | } |
040484af | 994 | } |
92b27b08 CW |
995 | #define assert_pch_pll_enabled(d, p, c) assert_pch_pll(d, p, c, true) |
996 | #define assert_pch_pll_disabled(d, p, c) assert_pch_pll(d, p, c, false) | |
040484af JB |
997 | |
998 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, | |
999 | enum pipe pipe, bool state) | |
1000 | { | |
1001 | int reg; | |
1002 | u32 val; | |
1003 | bool cur_state; | |
ad80a810 PZ |
1004 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1005 | pipe); | |
040484af | 1006 | |
affa9354 PZ |
1007 | if (HAS_DDI(dev_priv->dev)) { |
1008 | /* DDI does not have a specific FDI_TX register */ | |
ad80a810 | 1009 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
bf507ef7 | 1010 | val = I915_READ(reg); |
ad80a810 | 1011 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 ED |
1012 | } else { |
1013 | reg = FDI_TX_CTL(pipe); | |
1014 | val = I915_READ(reg); | |
1015 | cur_state = !!(val & FDI_TX_ENABLE); | |
1016 | } | |
040484af JB |
1017 | WARN(cur_state != state, |
1018 | "FDI TX state assertion failure (expected %s, current %s)\n", | |
1019 | state_string(state), state_string(cur_state)); | |
1020 | } | |
1021 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1022 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1023 | ||
1024 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1025 | enum pipe pipe, bool state) | |
1026 | { | |
1027 | int reg; | |
1028 | u32 val; | |
1029 | bool cur_state; | |
1030 | ||
d63fa0dc PZ |
1031 | reg = FDI_RX_CTL(pipe); |
1032 | val = I915_READ(reg); | |
1033 | cur_state = !!(val & FDI_RX_ENABLE); | |
040484af JB |
1034 | WARN(cur_state != state, |
1035 | "FDI RX state assertion failure (expected %s, current %s)\n", | |
1036 | state_string(state), state_string(cur_state)); | |
1037 | } | |
1038 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1039 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1040 | ||
1041 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1042 | enum pipe pipe) | |
1043 | { | |
1044 | int reg; | |
1045 | u32 val; | |
1046 | ||
1047 | /* ILK FDI PLL is always enabled */ | |
1048 | if (dev_priv->info->gen == 5) | |
1049 | return; | |
1050 | ||
bf507ef7 | 1051 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1052 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1053 | return; |
1054 | ||
040484af JB |
1055 | reg = FDI_TX_CTL(pipe); |
1056 | val = I915_READ(reg); | |
1057 | WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); | |
1058 | } | |
1059 | ||
1060 | static void assert_fdi_rx_pll_enabled(struct drm_i915_private *dev_priv, | |
1061 | enum pipe pipe) | |
1062 | { | |
1063 | int reg; | |
1064 | u32 val; | |
1065 | ||
1066 | reg = FDI_RX_CTL(pipe); | |
1067 | val = I915_READ(reg); | |
1068 | WARN(!(val & FDI_RX_PLL_ENABLE), "FDI RX PLL assertion failure, should be active but is disabled\n"); | |
1069 | } | |
1070 | ||
ea0760cf JB |
1071 | static void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1072 | enum pipe pipe) | |
1073 | { | |
1074 | int pp_reg, lvds_reg; | |
1075 | u32 val; | |
1076 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1077 | bool locked = true; |
ea0760cf JB |
1078 | |
1079 | if (HAS_PCH_SPLIT(dev_priv->dev)) { | |
1080 | pp_reg = PCH_PP_CONTROL; | |
1081 | lvds_reg = PCH_LVDS; | |
1082 | } else { | |
1083 | pp_reg = PP_CONTROL; | |
1084 | lvds_reg = LVDS; | |
1085 | } | |
1086 | ||
1087 | val = I915_READ(pp_reg); | |
1088 | if (!(val & PANEL_POWER_ON) || | |
1089 | ((val & PANEL_UNLOCK_REGS) == PANEL_UNLOCK_REGS)) | |
1090 | locked = false; | |
1091 | ||
1092 | if (I915_READ(lvds_reg) & LVDS_PIPEB_SELECT) | |
1093 | panel_pipe = PIPE_B; | |
1094 | ||
1095 | WARN(panel_pipe == pipe && locked, | |
1096 | "panel assertion failure, pipe %c regs locked\n", | |
9db4a9c7 | 1097 | pipe_name(pipe)); |
ea0760cf JB |
1098 | } |
1099 | ||
b840d907 JB |
1100 | void assert_pipe(struct drm_i915_private *dev_priv, |
1101 | enum pipe pipe, bool state) | |
b24e7179 JB |
1102 | { |
1103 | int reg; | |
1104 | u32 val; | |
63d7bbe9 | 1105 | bool cur_state; |
702e7a56 PZ |
1106 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1107 | pipe); | |
b24e7179 | 1108 | |
8e636784 DV |
1109 | /* if we need the pipe A quirk it must be always on */ |
1110 | if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) | |
1111 | state = true; | |
1112 | ||
15d199ea PZ |
1113 | if (!intel_using_power_well(dev_priv->dev) && |
1114 | cpu_transcoder != TRANSCODER_EDP) { | |
69310161 PZ |
1115 | cur_state = false; |
1116 | } else { | |
1117 | reg = PIPECONF(cpu_transcoder); | |
1118 | val = I915_READ(reg); | |
1119 | cur_state = !!(val & PIPECONF_ENABLE); | |
1120 | } | |
1121 | ||
63d7bbe9 JB |
1122 | WARN(cur_state != state, |
1123 | "pipe %c assertion failure (expected %s, current %s)\n", | |
9db4a9c7 | 1124 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
b24e7179 JB |
1125 | } |
1126 | ||
931872fc CW |
1127 | static void assert_plane(struct drm_i915_private *dev_priv, |
1128 | enum plane plane, bool state) | |
b24e7179 JB |
1129 | { |
1130 | int reg; | |
1131 | u32 val; | |
931872fc | 1132 | bool cur_state; |
b24e7179 JB |
1133 | |
1134 | reg = DSPCNTR(plane); | |
1135 | val = I915_READ(reg); | |
931872fc CW |
1136 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
1137 | WARN(cur_state != state, | |
1138 | "plane %c assertion failure (expected %s, current %s)\n", | |
1139 | plane_name(plane), state_string(state), state_string(cur_state)); | |
b24e7179 JB |
1140 | } |
1141 | ||
931872fc CW |
1142 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1143 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1144 | ||
b24e7179 JB |
1145 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1146 | enum pipe pipe) | |
1147 | { | |
1148 | int reg, i; | |
1149 | u32 val; | |
1150 | int cur_pipe; | |
1151 | ||
19ec1358 | 1152 | /* Planes are fixed to pipes on ILK+ */ |
da6ecc5d | 1153 | if (HAS_PCH_SPLIT(dev_priv->dev) || IS_VALLEYVIEW(dev_priv->dev)) { |
28c05794 AJ |
1154 | reg = DSPCNTR(pipe); |
1155 | val = I915_READ(reg); | |
1156 | WARN((val & DISPLAY_PLANE_ENABLE), | |
1157 | "plane %c assertion failure, should be disabled but not\n", | |
1158 | plane_name(pipe)); | |
19ec1358 | 1159 | return; |
28c05794 | 1160 | } |
19ec1358 | 1161 | |
b24e7179 JB |
1162 | /* Need to check both planes against the pipe */ |
1163 | for (i = 0; i < 2; i++) { | |
1164 | reg = DSPCNTR(i); | |
1165 | val = I915_READ(reg); | |
1166 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
1167 | DISPPLANE_SEL_PIPE_SHIFT; | |
1168 | WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, | |
9db4a9c7 JB |
1169 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1170 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1171 | } |
1172 | } | |
1173 | ||
19332d7a JB |
1174 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1175 | enum pipe pipe) | |
1176 | { | |
1177 | int reg, i; | |
1178 | u32 val; | |
1179 | ||
1180 | if (!IS_VALLEYVIEW(dev_priv->dev)) | |
1181 | return; | |
1182 | ||
1183 | /* Need to check both planes against the pipe */ | |
1184 | for (i = 0; i < dev_priv->num_plane; i++) { | |
1185 | reg = SPCNTR(pipe, i); | |
1186 | val = I915_READ(reg); | |
1187 | WARN((val & SP_ENABLE), | |
06da8da2 VS |
1188 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1189 | sprite_name(pipe, i), pipe_name(pipe)); | |
19332d7a JB |
1190 | } |
1191 | } | |
1192 | ||
92f2584a JB |
1193 | static void assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
1194 | { | |
1195 | u32 val; | |
1196 | bool enabled; | |
1197 | ||
9d82aa17 ED |
1198 | if (HAS_PCH_LPT(dev_priv->dev)) { |
1199 | DRM_DEBUG_DRIVER("LPT does not has PCH refclk, skipping check\n"); | |
1200 | return; | |
1201 | } | |
1202 | ||
92f2584a JB |
1203 | val = I915_READ(PCH_DREF_CONTROL); |
1204 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | | |
1205 | DREF_SUPERSPREAD_SOURCE_MASK)); | |
1206 | WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); | |
1207 | } | |
1208 | ||
1209 | static void assert_transcoder_disabled(struct drm_i915_private *dev_priv, | |
1210 | enum pipe pipe) | |
1211 | { | |
1212 | int reg; | |
1213 | u32 val; | |
1214 | bool enabled; | |
1215 | ||
1216 | reg = TRANSCONF(pipe); | |
1217 | val = I915_READ(reg); | |
1218 | enabled = !!(val & TRANS_ENABLE); | |
9db4a9c7 JB |
1219 | WARN(enabled, |
1220 | "transcoder assertion failed, should be off on pipe %c but is still active\n", | |
1221 | pipe_name(pipe)); | |
92f2584a JB |
1222 | } |
1223 | ||
4e634389 KP |
1224 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1225 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1226 | { |
1227 | if ((val & DP_PORT_EN) == 0) | |
1228 | return false; | |
1229 | ||
1230 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1231 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); | |
1232 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); | |
1233 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) | |
1234 | return false; | |
1235 | } else { | |
1236 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1237 | return false; | |
1238 | } | |
1239 | return true; | |
1240 | } | |
1241 | ||
1519b995 KP |
1242 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1243 | enum pipe pipe, u32 val) | |
1244 | { | |
dc0fa718 | 1245 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1246 | return false; |
1247 | ||
1248 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1249 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 KP |
1250 | return false; |
1251 | } else { | |
dc0fa718 | 1252 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1253 | return false; |
1254 | } | |
1255 | return true; | |
1256 | } | |
1257 | ||
1258 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1259 | enum pipe pipe, u32 val) | |
1260 | { | |
1261 | if ((val & LVDS_PORT_EN) == 0) | |
1262 | return false; | |
1263 | ||
1264 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1265 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1266 | return false; | |
1267 | } else { | |
1268 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1269 | return false; | |
1270 | } | |
1271 | return true; | |
1272 | } | |
1273 | ||
1274 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1275 | enum pipe pipe, u32 val) | |
1276 | { | |
1277 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1278 | return false; | |
1279 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1280 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1281 | return false; | |
1282 | } else { | |
1283 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1284 | return false; | |
1285 | } | |
1286 | return true; | |
1287 | } | |
1288 | ||
291906f1 | 1289 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0575e92 | 1290 | enum pipe pipe, int reg, u32 port_sel) |
291906f1 | 1291 | { |
47a05eca | 1292 | u32 val = I915_READ(reg); |
4e634389 | 1293 | WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1294 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1295 | reg, pipe_name(pipe)); |
de9a35ab | 1296 | |
75c5da27 DV |
1297 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
1298 | && (val & DP_PIPEB_SELECT), | |
de9a35ab | 1299 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1300 | } |
1301 | ||
1302 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
1303 | enum pipe pipe, int reg) | |
1304 | { | |
47a05eca | 1305 | u32 val = I915_READ(reg); |
b70ad586 | 1306 | WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1307 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1308 | reg, pipe_name(pipe)); |
de9a35ab | 1309 | |
dc0fa718 | 1310 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1311 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1312 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1313 | } |
1314 | ||
1315 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1316 | enum pipe pipe) | |
1317 | { | |
1318 | int reg; | |
1319 | u32 val; | |
291906f1 | 1320 | |
f0575e92 KP |
1321 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1322 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1323 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 JB |
1324 | |
1325 | reg = PCH_ADPA; | |
1326 | val = I915_READ(reg); | |
b70ad586 | 1327 | WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1328 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1329 | pipe_name(pipe)); |
291906f1 JB |
1330 | |
1331 | reg = PCH_LVDS; | |
1332 | val = I915_READ(reg); | |
b70ad586 | 1333 | WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1334 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1335 | pipe_name(pipe)); |
291906f1 | 1336 | |
e2debe91 PZ |
1337 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1338 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1339 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1340 | } |
1341 | ||
63d7bbe9 JB |
1342 | /** |
1343 | * intel_enable_pll - enable a PLL | |
1344 | * @dev_priv: i915 private structure | |
1345 | * @pipe: pipe PLL to enable | |
1346 | * | |
1347 | * Enable @pipe's PLL so we can start pumping pixels from a plane. Check to | |
1348 | * make sure the PLL reg is writable first though, since the panel write | |
1349 | * protect mechanism may be enabled. | |
1350 | * | |
1351 | * Note! This is for pre-ILK only. | |
7434a255 TR |
1352 | * |
1353 | * Unfortunately needed by dvo_ns2501 since the dvo depends on it running. | |
63d7bbe9 JB |
1354 | */ |
1355 | static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1356 | { | |
1357 | int reg; | |
1358 | u32 val; | |
1359 | ||
58c6eaa2 DV |
1360 | assert_pipe_disabled(dev_priv, pipe); |
1361 | ||
63d7bbe9 | 1362 | /* No really, not for ILK+ */ |
a0c4da24 | 1363 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev) && dev_priv->info->gen >= 5); |
63d7bbe9 JB |
1364 | |
1365 | /* PLL is protected by panel, make sure we can write it */ | |
1366 | if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev)) | |
1367 | assert_panel_unlocked(dev_priv, pipe); | |
1368 | ||
1369 | reg = DPLL(pipe); | |
1370 | val = I915_READ(reg); | |
1371 | val |= DPLL_VCO_ENABLE; | |
1372 | ||
1373 | /* We do this three times for luck */ | |
1374 | I915_WRITE(reg, val); | |
1375 | POSTING_READ(reg); | |
1376 | udelay(150); /* wait for warmup */ | |
1377 | I915_WRITE(reg, val); | |
1378 | POSTING_READ(reg); | |
1379 | udelay(150); /* wait for warmup */ | |
1380 | I915_WRITE(reg, val); | |
1381 | POSTING_READ(reg); | |
1382 | udelay(150); /* wait for warmup */ | |
1383 | } | |
1384 | ||
1385 | /** | |
1386 | * intel_disable_pll - disable a PLL | |
1387 | * @dev_priv: i915 private structure | |
1388 | * @pipe: pipe PLL to disable | |
1389 | * | |
1390 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1391 | * | |
1392 | * Note! This is for pre-ILK only. | |
1393 | */ | |
1394 | static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1395 | { | |
1396 | int reg; | |
1397 | u32 val; | |
1398 | ||
1399 | /* Don't disable pipe A or pipe A PLLs if needed */ | |
1400 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) | |
1401 | return; | |
1402 | ||
1403 | /* Make sure the pipe isn't still relying on us */ | |
1404 | assert_pipe_disabled(dev_priv, pipe); | |
1405 | ||
1406 | reg = DPLL(pipe); | |
1407 | val = I915_READ(reg); | |
1408 | val &= ~DPLL_VCO_ENABLE; | |
1409 | I915_WRITE(reg, val); | |
1410 | POSTING_READ(reg); | |
1411 | } | |
1412 | ||
a416edef ED |
1413 | /* SBI access */ |
1414 | static void | |
988d6ee8 PZ |
1415 | intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value, |
1416 | enum intel_sbi_destination destination) | |
a416edef | 1417 | { |
988d6ee8 | 1418 | u32 tmp; |
a416edef | 1419 | |
09153000 | 1420 | WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock)); |
a416edef | 1421 | |
39fb50f6 | 1422 | if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, |
a416edef ED |
1423 | 100)) { |
1424 | DRM_ERROR("timeout waiting for SBI to become ready\n"); | |
09153000 | 1425 | return; |
a416edef ED |
1426 | } |
1427 | ||
988d6ee8 PZ |
1428 | I915_WRITE(SBI_ADDR, (reg << 16)); |
1429 | I915_WRITE(SBI_DATA, value); | |
1430 | ||
1431 | if (destination == SBI_ICLK) | |
1432 | tmp = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRWR; | |
1433 | else | |
1434 | tmp = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IOWR; | |
1435 | I915_WRITE(SBI_CTL_STAT, SBI_BUSY | tmp); | |
a416edef | 1436 | |
39fb50f6 | 1437 | if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0, |
a416edef ED |
1438 | 100)) { |
1439 | DRM_ERROR("timeout waiting for SBI to complete write transaction\n"); | |
09153000 | 1440 | return; |
a416edef | 1441 | } |
a416edef ED |
1442 | } |
1443 | ||
1444 | static u32 | |
988d6ee8 PZ |
1445 | intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg, |
1446 | enum intel_sbi_destination destination) | |
a416edef | 1447 | { |
39fb50f6 | 1448 | u32 value = 0; |
09153000 | 1449 | WARN_ON(!mutex_is_locked(&dev_priv->dpio_lock)); |
a416edef | 1450 | |
39fb50f6 | 1451 | if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, |
a416edef ED |
1452 | 100)) { |
1453 | DRM_ERROR("timeout waiting for SBI to become ready\n"); | |
09153000 | 1454 | return 0; |
a416edef ED |
1455 | } |
1456 | ||
988d6ee8 PZ |
1457 | I915_WRITE(SBI_ADDR, (reg << 16)); |
1458 | ||
1459 | if (destination == SBI_ICLK) | |
1460 | value = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRRD; | |
1461 | else | |
1462 | value = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IORD; | |
1463 | I915_WRITE(SBI_CTL_STAT, value | SBI_BUSY); | |
a416edef | 1464 | |
39fb50f6 | 1465 | if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0, |
a416edef ED |
1466 | 100)) { |
1467 | DRM_ERROR("timeout waiting for SBI to complete read transaction\n"); | |
09153000 | 1468 | return 0; |
a416edef ED |
1469 | } |
1470 | ||
09153000 | 1471 | return I915_READ(SBI_DATA); |
a416edef ED |
1472 | } |
1473 | ||
89b667f8 JB |
1474 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port) |
1475 | { | |
1476 | u32 port_mask; | |
1477 | ||
1478 | if (!port) | |
1479 | port_mask = DPLL_PORTB_READY_MASK; | |
1480 | else | |
1481 | port_mask = DPLL_PORTC_READY_MASK; | |
1482 | ||
1483 | if (wait_for((I915_READ(DPLL(0)) & port_mask) == 0, 1000)) | |
1484 | WARN(1, "timed out waiting for port %c ready: 0x%08x\n", | |
1485 | 'B' + port, I915_READ(DPLL(0))); | |
1486 | } | |
1487 | ||
92f2584a | 1488 | /** |
b6b4e185 | 1489 | * ironlake_enable_pch_pll - enable PCH PLL |
92f2584a JB |
1490 | * @dev_priv: i915 private structure |
1491 | * @pipe: pipe PLL to enable | |
1492 | * | |
1493 | * The PCH PLL needs to be enabled before the PCH transcoder, since it | |
1494 | * drives the transcoder clock. | |
1495 | */ | |
b6b4e185 | 1496 | static void ironlake_enable_pch_pll(struct intel_crtc *intel_crtc) |
92f2584a | 1497 | { |
ee7b9f93 | 1498 | struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; |
48da64a8 | 1499 | struct intel_pch_pll *pll; |
92f2584a JB |
1500 | int reg; |
1501 | u32 val; | |
1502 | ||
48da64a8 | 1503 | /* PCH PLLs only available on ILK, SNB and IVB */ |
92f2584a | 1504 | BUG_ON(dev_priv->info->gen < 5); |
48da64a8 CW |
1505 | pll = intel_crtc->pch_pll; |
1506 | if (pll == NULL) | |
1507 | return; | |
1508 | ||
1509 | if (WARN_ON(pll->refcount == 0)) | |
1510 | return; | |
ee7b9f93 JB |
1511 | |
1512 | DRM_DEBUG_KMS("enable PCH PLL %x (active %d, on? %d)for crtc %d\n", | |
1513 | pll->pll_reg, pll->active, pll->on, | |
1514 | intel_crtc->base.base.id); | |
92f2584a JB |
1515 | |
1516 | /* PCH refclock must be enabled first */ | |
1517 | assert_pch_refclk_enabled(dev_priv); | |
1518 | ||
ee7b9f93 | 1519 | if (pll->active++ && pll->on) { |
92b27b08 | 1520 | assert_pch_pll_enabled(dev_priv, pll, NULL); |
ee7b9f93 JB |
1521 | return; |
1522 | } | |
1523 | ||
1524 | DRM_DEBUG_KMS("enabling PCH PLL %x\n", pll->pll_reg); | |
1525 | ||
1526 | reg = pll->pll_reg; | |
92f2584a JB |
1527 | val = I915_READ(reg); |
1528 | val |= DPLL_VCO_ENABLE; | |
1529 | I915_WRITE(reg, val); | |
1530 | POSTING_READ(reg); | |
1531 | udelay(200); | |
ee7b9f93 JB |
1532 | |
1533 | pll->on = true; | |
92f2584a JB |
1534 | } |
1535 | ||
ee7b9f93 | 1536 | static void intel_disable_pch_pll(struct intel_crtc *intel_crtc) |
92f2584a | 1537 | { |
ee7b9f93 JB |
1538 | struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; |
1539 | struct intel_pch_pll *pll = intel_crtc->pch_pll; | |
92f2584a | 1540 | int reg; |
ee7b9f93 | 1541 | u32 val; |
4c609cb8 | 1542 | |
92f2584a JB |
1543 | /* PCH only available on ILK+ */ |
1544 | BUG_ON(dev_priv->info->gen < 5); | |
ee7b9f93 JB |
1545 | if (pll == NULL) |
1546 | return; | |
92f2584a | 1547 | |
48da64a8 CW |
1548 | if (WARN_ON(pll->refcount == 0)) |
1549 | return; | |
7a419866 | 1550 | |
ee7b9f93 JB |
1551 | DRM_DEBUG_KMS("disable PCH PLL %x (active %d, on? %d) for crtc %d\n", |
1552 | pll->pll_reg, pll->active, pll->on, | |
1553 | intel_crtc->base.base.id); | |
7a419866 | 1554 | |
48da64a8 | 1555 | if (WARN_ON(pll->active == 0)) { |
92b27b08 | 1556 | assert_pch_pll_disabled(dev_priv, pll, NULL); |
48da64a8 CW |
1557 | return; |
1558 | } | |
1559 | ||
ee7b9f93 | 1560 | if (--pll->active) { |
92b27b08 | 1561 | assert_pch_pll_enabled(dev_priv, pll, NULL); |
7a419866 | 1562 | return; |
ee7b9f93 JB |
1563 | } |
1564 | ||
1565 | DRM_DEBUG_KMS("disabling PCH PLL %x\n", pll->pll_reg); | |
1566 | ||
1567 | /* Make sure transcoder isn't still depending on us */ | |
1568 | assert_transcoder_disabled(dev_priv, intel_crtc->pipe); | |
7a419866 | 1569 | |
ee7b9f93 | 1570 | reg = pll->pll_reg; |
92f2584a JB |
1571 | val = I915_READ(reg); |
1572 | val &= ~DPLL_VCO_ENABLE; | |
1573 | I915_WRITE(reg, val); | |
1574 | POSTING_READ(reg); | |
1575 | udelay(200); | |
ee7b9f93 JB |
1576 | |
1577 | pll->on = false; | |
92f2584a JB |
1578 | } |
1579 | ||
b8a4f404 PZ |
1580 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1581 | enum pipe pipe) | |
040484af | 1582 | { |
23670b32 | 1583 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1584 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
23670b32 | 1585 | uint32_t reg, val, pipeconf_val; |
040484af JB |
1586 | |
1587 | /* PCH only available on ILK+ */ | |
1588 | BUG_ON(dev_priv->info->gen < 5); | |
1589 | ||
1590 | /* Make sure PCH DPLL is enabled */ | |
92b27b08 CW |
1591 | assert_pch_pll_enabled(dev_priv, |
1592 | to_intel_crtc(crtc)->pch_pll, | |
1593 | to_intel_crtc(crtc)); | |
040484af JB |
1594 | |
1595 | /* FDI must be feeding us bits for PCH ports */ | |
1596 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1597 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1598 | ||
23670b32 DV |
1599 | if (HAS_PCH_CPT(dev)) { |
1600 | /* Workaround: Set the timing override bit before enabling the | |
1601 | * pch transcoder. */ | |
1602 | reg = TRANS_CHICKEN2(pipe); | |
1603 | val = I915_READ(reg); | |
1604 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1605 | I915_WRITE(reg, val); | |
59c859d6 | 1606 | } |
23670b32 | 1607 | |
040484af JB |
1608 | reg = TRANSCONF(pipe); |
1609 | val = I915_READ(reg); | |
5f7f726d | 1610 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1611 | |
1612 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
1613 | /* | |
1614 | * make the BPC in transcoder be consistent with | |
1615 | * that in pipeconf reg. | |
1616 | */ | |
dfd07d72 DV |
1617 | val &= ~PIPECONF_BPC_MASK; |
1618 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 1619 | } |
5f7f726d PZ |
1620 | |
1621 | val &= ~TRANS_INTERLACE_MASK; | |
1622 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 PZ |
1623 | if (HAS_PCH_IBX(dev_priv->dev) && |
1624 | intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) | |
1625 | val |= TRANS_LEGACY_INTERLACED_ILK; | |
1626 | else | |
1627 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
1628 | else |
1629 | val |= TRANS_PROGRESSIVE; | |
1630 | ||
040484af JB |
1631 | I915_WRITE(reg, val | TRANS_ENABLE); |
1632 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 1633 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
1634 | } |
1635 | ||
8fb033d7 | 1636 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 1637 | enum transcoder cpu_transcoder) |
040484af | 1638 | { |
8fb033d7 | 1639 | u32 val, pipeconf_val; |
8fb033d7 PZ |
1640 | |
1641 | /* PCH only available on ILK+ */ | |
1642 | BUG_ON(dev_priv->info->gen < 5); | |
1643 | ||
8fb033d7 | 1644 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 1645 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 1646 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 1647 | |
223a6fdf PZ |
1648 | /* Workaround: set timing override bit. */ |
1649 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 1650 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf PZ |
1651 | I915_WRITE(_TRANSA_CHICKEN2, val); |
1652 | ||
25f3ef11 | 1653 | val = TRANS_ENABLE; |
937bb610 | 1654 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 1655 | |
9a76b1c6 PZ |
1656 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
1657 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 1658 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
1659 | else |
1660 | val |= TRANS_PROGRESSIVE; | |
1661 | ||
25f3ef11 | 1662 | I915_WRITE(TRANSCONF(TRANSCODER_A), val); |
937bb610 PZ |
1663 | if (wait_for(I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE, 100)) |
1664 | DRM_ERROR("Failed to enable PCH transcoder\n"); | |
8fb033d7 PZ |
1665 | } |
1666 | ||
b8a4f404 PZ |
1667 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
1668 | enum pipe pipe) | |
040484af | 1669 | { |
23670b32 DV |
1670 | struct drm_device *dev = dev_priv->dev; |
1671 | uint32_t reg, val; | |
040484af JB |
1672 | |
1673 | /* FDI relies on the transcoder */ | |
1674 | assert_fdi_tx_disabled(dev_priv, pipe); | |
1675 | assert_fdi_rx_disabled(dev_priv, pipe); | |
1676 | ||
291906f1 JB |
1677 | /* Ports must be off as well */ |
1678 | assert_pch_ports_disabled(dev_priv, pipe); | |
1679 | ||
040484af JB |
1680 | reg = TRANSCONF(pipe); |
1681 | val = I915_READ(reg); | |
1682 | val &= ~TRANS_ENABLE; | |
1683 | I915_WRITE(reg, val); | |
1684 | /* wait for PCH transcoder off, transcoder state */ | |
1685 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 1686 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 DV |
1687 | |
1688 | if (!HAS_PCH_IBX(dev)) { | |
1689 | /* Workaround: Clear the timing override chicken bit again. */ | |
1690 | reg = TRANS_CHICKEN2(pipe); | |
1691 | val = I915_READ(reg); | |
1692 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1693 | I915_WRITE(reg, val); | |
1694 | } | |
040484af JB |
1695 | } |
1696 | ||
ab4d966c | 1697 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 1698 | { |
8fb033d7 PZ |
1699 | u32 val; |
1700 | ||
8a52fd9f | 1701 | val = I915_READ(_TRANSACONF); |
8fb033d7 | 1702 | val &= ~TRANS_ENABLE; |
8a52fd9f | 1703 | I915_WRITE(_TRANSACONF, val); |
8fb033d7 | 1704 | /* wait for PCH transcoder off, transcoder state */ |
8a52fd9f PZ |
1705 | if (wait_for((I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE) == 0, 50)) |
1706 | DRM_ERROR("Failed to disable PCH transcoder\n"); | |
223a6fdf PZ |
1707 | |
1708 | /* Workaround: clear timing override bit. */ | |
1709 | val = I915_READ(_TRANSA_CHICKEN2); | |
23670b32 | 1710 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
223a6fdf | 1711 | I915_WRITE(_TRANSA_CHICKEN2, val); |
040484af JB |
1712 | } |
1713 | ||
b24e7179 | 1714 | /** |
309cfea8 | 1715 | * intel_enable_pipe - enable a pipe, asserting requirements |
b24e7179 JB |
1716 | * @dev_priv: i915 private structure |
1717 | * @pipe: pipe to enable | |
040484af | 1718 | * @pch_port: on ILK+, is this pipe driving a PCH port or not |
b24e7179 JB |
1719 | * |
1720 | * Enable @pipe, making sure that various hardware specific requirements | |
1721 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. | |
1722 | * | |
1723 | * @pipe should be %PIPE_A or %PIPE_B. | |
1724 | * | |
1725 | * Will wait until the pipe is actually running (i.e. first vblank) before | |
1726 | * returning. | |
1727 | */ | |
040484af JB |
1728 | static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, |
1729 | bool pch_port) | |
b24e7179 | 1730 | { |
702e7a56 PZ |
1731 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1732 | pipe); | |
1a240d4d | 1733 | enum pipe pch_transcoder; |
b24e7179 JB |
1734 | int reg; |
1735 | u32 val; | |
1736 | ||
58c6eaa2 DV |
1737 | assert_planes_disabled(dev_priv, pipe); |
1738 | assert_sprites_disabled(dev_priv, pipe); | |
1739 | ||
681e5811 | 1740 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
1741 | pch_transcoder = TRANSCODER_A; |
1742 | else | |
1743 | pch_transcoder = pipe; | |
1744 | ||
b24e7179 JB |
1745 | /* |
1746 | * A pipe without a PLL won't actually be able to drive bits from | |
1747 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
1748 | * need the check. | |
1749 | */ | |
1750 | if (!HAS_PCH_SPLIT(dev_priv->dev)) | |
1751 | assert_pll_enabled(dev_priv, pipe); | |
040484af JB |
1752 | else { |
1753 | if (pch_port) { | |
1754 | /* if driving the PCH, we need FDI enabled */ | |
cc391bbb | 1755 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
1756 | assert_fdi_tx_pll_enabled(dev_priv, |
1757 | (enum pipe) cpu_transcoder); | |
040484af JB |
1758 | } |
1759 | /* FIXME: assert CPU port conditions for SNB+ */ | |
1760 | } | |
b24e7179 | 1761 | |
702e7a56 | 1762 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 1763 | val = I915_READ(reg); |
00d70b15 CW |
1764 | if (val & PIPECONF_ENABLE) |
1765 | return; | |
1766 | ||
1767 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
b24e7179 JB |
1768 | intel_wait_for_vblank(dev_priv->dev, pipe); |
1769 | } | |
1770 | ||
1771 | /** | |
309cfea8 | 1772 | * intel_disable_pipe - disable a pipe, asserting requirements |
b24e7179 JB |
1773 | * @dev_priv: i915 private structure |
1774 | * @pipe: pipe to disable | |
1775 | * | |
1776 | * Disable @pipe, making sure that various hardware specific requirements | |
1777 | * are met, if applicable, e.g. plane disabled, panel fitter off, etc. | |
1778 | * | |
1779 | * @pipe should be %PIPE_A or %PIPE_B. | |
1780 | * | |
1781 | * Will wait until the pipe has shut down before returning. | |
1782 | */ | |
1783 | static void intel_disable_pipe(struct drm_i915_private *dev_priv, | |
1784 | enum pipe pipe) | |
1785 | { | |
702e7a56 PZ |
1786 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1787 | pipe); | |
b24e7179 JB |
1788 | int reg; |
1789 | u32 val; | |
1790 | ||
1791 | /* | |
1792 | * Make sure planes won't keep trying to pump pixels to us, | |
1793 | * or we might hang the display. | |
1794 | */ | |
1795 | assert_planes_disabled(dev_priv, pipe); | |
19332d7a | 1796 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 JB |
1797 | |
1798 | /* Don't disable pipe A or pipe A PLLs if needed */ | |
1799 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) | |
1800 | return; | |
1801 | ||
702e7a56 | 1802 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 1803 | val = I915_READ(reg); |
00d70b15 CW |
1804 | if ((val & PIPECONF_ENABLE) == 0) |
1805 | return; | |
1806 | ||
1807 | I915_WRITE(reg, val & ~PIPECONF_ENABLE); | |
b24e7179 JB |
1808 | intel_wait_for_pipe_off(dev_priv->dev, pipe); |
1809 | } | |
1810 | ||
d74362c9 KP |
1811 | /* |
1812 | * Plane regs are double buffered, going from enabled->disabled needs a | |
1813 | * trigger in order to latch. The display address reg provides this. | |
1814 | */ | |
6f1d69b0 | 1815 | void intel_flush_display_plane(struct drm_i915_private *dev_priv, |
d74362c9 KP |
1816 | enum plane plane) |
1817 | { | |
14f86147 DL |
1818 | if (dev_priv->info->gen >= 4) |
1819 | I915_WRITE(DSPSURF(plane), I915_READ(DSPSURF(plane))); | |
1820 | else | |
1821 | I915_WRITE(DSPADDR(plane), I915_READ(DSPADDR(plane))); | |
d74362c9 KP |
1822 | } |
1823 | ||
b24e7179 JB |
1824 | /** |
1825 | * intel_enable_plane - enable a display plane on a given pipe | |
1826 | * @dev_priv: i915 private structure | |
1827 | * @plane: plane to enable | |
1828 | * @pipe: pipe being fed | |
1829 | * | |
1830 | * Enable @plane on @pipe, making sure that @pipe is running first. | |
1831 | */ | |
1832 | static void intel_enable_plane(struct drm_i915_private *dev_priv, | |
1833 | enum plane plane, enum pipe pipe) | |
1834 | { | |
1835 | int reg; | |
1836 | u32 val; | |
1837 | ||
1838 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ | |
1839 | assert_pipe_enabled(dev_priv, pipe); | |
1840 | ||
1841 | reg = DSPCNTR(plane); | |
1842 | val = I915_READ(reg); | |
00d70b15 CW |
1843 | if (val & DISPLAY_PLANE_ENABLE) |
1844 | return; | |
1845 | ||
1846 | I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); | |
d74362c9 | 1847 | intel_flush_display_plane(dev_priv, plane); |
b24e7179 JB |
1848 | intel_wait_for_vblank(dev_priv->dev, pipe); |
1849 | } | |
1850 | ||
b24e7179 JB |
1851 | /** |
1852 | * intel_disable_plane - disable a display plane | |
1853 | * @dev_priv: i915 private structure | |
1854 | * @plane: plane to disable | |
1855 | * @pipe: pipe consuming the data | |
1856 | * | |
1857 | * Disable @plane; should be an independent operation. | |
1858 | */ | |
1859 | static void intel_disable_plane(struct drm_i915_private *dev_priv, | |
1860 | enum plane plane, enum pipe pipe) | |
1861 | { | |
1862 | int reg; | |
1863 | u32 val; | |
1864 | ||
1865 | reg = DSPCNTR(plane); | |
1866 | val = I915_READ(reg); | |
00d70b15 CW |
1867 | if ((val & DISPLAY_PLANE_ENABLE) == 0) |
1868 | return; | |
1869 | ||
1870 | I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE); | |
b24e7179 JB |
1871 | intel_flush_display_plane(dev_priv, plane); |
1872 | intel_wait_for_vblank(dev_priv->dev, pipe); | |
1873 | } | |
1874 | ||
693db184 CW |
1875 | static bool need_vtd_wa(struct drm_device *dev) |
1876 | { | |
1877 | #ifdef CONFIG_INTEL_IOMMU | |
1878 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
1879 | return true; | |
1880 | #endif | |
1881 | return false; | |
1882 | } | |
1883 | ||
127bd2ac | 1884 | int |
48b956c5 | 1885 | intel_pin_and_fence_fb_obj(struct drm_device *dev, |
05394f39 | 1886 | struct drm_i915_gem_object *obj, |
919926ae | 1887 | struct intel_ring_buffer *pipelined) |
6b95a207 | 1888 | { |
ce453d81 | 1889 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
1890 | u32 alignment; |
1891 | int ret; | |
1892 | ||
05394f39 | 1893 | switch (obj->tiling_mode) { |
6b95a207 | 1894 | case I915_TILING_NONE: |
534843da CW |
1895 | if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) |
1896 | alignment = 128 * 1024; | |
a6c45cf0 | 1897 | else if (INTEL_INFO(dev)->gen >= 4) |
534843da CW |
1898 | alignment = 4 * 1024; |
1899 | else | |
1900 | alignment = 64 * 1024; | |
6b95a207 KH |
1901 | break; |
1902 | case I915_TILING_X: | |
1903 | /* pin() will align the object as required by fence */ | |
1904 | alignment = 0; | |
1905 | break; | |
1906 | case I915_TILING_Y: | |
8bb6e959 DV |
1907 | /* Despite that we check this in framebuffer_init userspace can |
1908 | * screw us over and change the tiling after the fact. Only | |
1909 | * pinned buffers can't change their tiling. */ | |
1910 | DRM_DEBUG_DRIVER("Y tiled not allowed for scan out buffers\n"); | |
6b95a207 KH |
1911 | return -EINVAL; |
1912 | default: | |
1913 | BUG(); | |
1914 | } | |
1915 | ||
693db184 CW |
1916 | /* Note that the w/a also requires 64 PTE of padding following the |
1917 | * bo. We currently fill all unused PTE with the shadow page and so | |
1918 | * we should always have valid PTE following the scanout preventing | |
1919 | * the VT-d warning. | |
1920 | */ | |
1921 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
1922 | alignment = 256 * 1024; | |
1923 | ||
ce453d81 | 1924 | dev_priv->mm.interruptible = false; |
2da3b9b9 | 1925 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined); |
48b956c5 | 1926 | if (ret) |
ce453d81 | 1927 | goto err_interruptible; |
6b95a207 KH |
1928 | |
1929 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
1930 | * fence, whereas 965+ only requires a fence if using | |
1931 | * framebuffer compression. For simplicity, we always install | |
1932 | * a fence as the cost is not that onerous. | |
1933 | */ | |
06d98131 | 1934 | ret = i915_gem_object_get_fence(obj); |
9a5a53b3 CW |
1935 | if (ret) |
1936 | goto err_unpin; | |
1690e1eb | 1937 | |
9a5a53b3 | 1938 | i915_gem_object_pin_fence(obj); |
6b95a207 | 1939 | |
ce453d81 | 1940 | dev_priv->mm.interruptible = true; |
6b95a207 | 1941 | return 0; |
48b956c5 CW |
1942 | |
1943 | err_unpin: | |
1944 | i915_gem_object_unpin(obj); | |
ce453d81 CW |
1945 | err_interruptible: |
1946 | dev_priv->mm.interruptible = true; | |
48b956c5 | 1947 | return ret; |
6b95a207 KH |
1948 | } |
1949 | ||
1690e1eb CW |
1950 | void intel_unpin_fb_obj(struct drm_i915_gem_object *obj) |
1951 | { | |
1952 | i915_gem_object_unpin_fence(obj); | |
1953 | i915_gem_object_unpin(obj); | |
1954 | } | |
1955 | ||
c2c75131 DV |
1956 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
1957 | * is assumed to be a power-of-two. */ | |
bc752862 CW |
1958 | unsigned long intel_gen4_compute_page_offset(int *x, int *y, |
1959 | unsigned int tiling_mode, | |
1960 | unsigned int cpp, | |
1961 | unsigned int pitch) | |
c2c75131 | 1962 | { |
bc752862 CW |
1963 | if (tiling_mode != I915_TILING_NONE) { |
1964 | unsigned int tile_rows, tiles; | |
c2c75131 | 1965 | |
bc752862 CW |
1966 | tile_rows = *y / 8; |
1967 | *y %= 8; | |
c2c75131 | 1968 | |
bc752862 CW |
1969 | tiles = *x / (512/cpp); |
1970 | *x %= 512/cpp; | |
1971 | ||
1972 | return tile_rows * pitch * 8 + tiles * 4096; | |
1973 | } else { | |
1974 | unsigned int offset; | |
1975 | ||
1976 | offset = *y * pitch + *x * cpp; | |
1977 | *y = 0; | |
1978 | *x = (offset & 4095) / cpp; | |
1979 | return offset & -4096; | |
1980 | } | |
c2c75131 DV |
1981 | } |
1982 | ||
17638cd6 JB |
1983 | static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
1984 | int x, int y) | |
81255565 JB |
1985 | { |
1986 | struct drm_device *dev = crtc->dev; | |
1987 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1988 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1989 | struct intel_framebuffer *intel_fb; | |
05394f39 | 1990 | struct drm_i915_gem_object *obj; |
81255565 | 1991 | int plane = intel_crtc->plane; |
e506a0c6 | 1992 | unsigned long linear_offset; |
81255565 | 1993 | u32 dspcntr; |
5eddb70b | 1994 | u32 reg; |
81255565 JB |
1995 | |
1996 | switch (plane) { | |
1997 | case 0: | |
1998 | case 1: | |
1999 | break; | |
2000 | default: | |
84f44ce7 | 2001 | DRM_ERROR("Can't update plane %c in SAREA\n", plane_name(plane)); |
81255565 JB |
2002 | return -EINVAL; |
2003 | } | |
2004 | ||
2005 | intel_fb = to_intel_framebuffer(fb); | |
2006 | obj = intel_fb->obj; | |
81255565 | 2007 | |
5eddb70b CW |
2008 | reg = DSPCNTR(plane); |
2009 | dspcntr = I915_READ(reg); | |
81255565 JB |
2010 | /* Mask out pixel format bits in case we change it */ |
2011 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; | |
57779d06 VS |
2012 | switch (fb->pixel_format) { |
2013 | case DRM_FORMAT_C8: | |
81255565 JB |
2014 | dspcntr |= DISPPLANE_8BPP; |
2015 | break; | |
57779d06 VS |
2016 | case DRM_FORMAT_XRGB1555: |
2017 | case DRM_FORMAT_ARGB1555: | |
2018 | dspcntr |= DISPPLANE_BGRX555; | |
81255565 | 2019 | break; |
57779d06 VS |
2020 | case DRM_FORMAT_RGB565: |
2021 | dspcntr |= DISPPLANE_BGRX565; | |
2022 | break; | |
2023 | case DRM_FORMAT_XRGB8888: | |
2024 | case DRM_FORMAT_ARGB8888: | |
2025 | dspcntr |= DISPPLANE_BGRX888; | |
2026 | break; | |
2027 | case DRM_FORMAT_XBGR8888: | |
2028 | case DRM_FORMAT_ABGR8888: | |
2029 | dspcntr |= DISPPLANE_RGBX888; | |
2030 | break; | |
2031 | case DRM_FORMAT_XRGB2101010: | |
2032 | case DRM_FORMAT_ARGB2101010: | |
2033 | dspcntr |= DISPPLANE_BGRX101010; | |
2034 | break; | |
2035 | case DRM_FORMAT_XBGR2101010: | |
2036 | case DRM_FORMAT_ABGR2101010: | |
2037 | dspcntr |= DISPPLANE_RGBX101010; | |
81255565 JB |
2038 | break; |
2039 | default: | |
baba133a | 2040 | BUG(); |
81255565 | 2041 | } |
57779d06 | 2042 | |
a6c45cf0 | 2043 | if (INTEL_INFO(dev)->gen >= 4) { |
05394f39 | 2044 | if (obj->tiling_mode != I915_TILING_NONE) |
81255565 JB |
2045 | dspcntr |= DISPPLANE_TILED; |
2046 | else | |
2047 | dspcntr &= ~DISPPLANE_TILED; | |
2048 | } | |
2049 | ||
5eddb70b | 2050 | I915_WRITE(reg, dspcntr); |
81255565 | 2051 | |
e506a0c6 | 2052 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
81255565 | 2053 | |
c2c75131 DV |
2054 | if (INTEL_INFO(dev)->gen >= 4) { |
2055 | intel_crtc->dspaddr_offset = | |
bc752862 CW |
2056 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2057 | fb->bits_per_pixel / 8, | |
2058 | fb->pitches[0]); | |
c2c75131 DV |
2059 | linear_offset -= intel_crtc->dspaddr_offset; |
2060 | } else { | |
e506a0c6 | 2061 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2062 | } |
e506a0c6 DV |
2063 | |
2064 | DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", | |
2065 | obj->gtt_offset, linear_offset, x, y, fb->pitches[0]); | |
01f2c773 | 2066 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2067 | if (INTEL_INFO(dev)->gen >= 4) { |
c2c75131 DV |
2068 | I915_MODIFY_DISPBASE(DSPSURF(plane), |
2069 | obj->gtt_offset + intel_crtc->dspaddr_offset); | |
5eddb70b | 2070 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2071 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2072 | } else |
e506a0c6 | 2073 | I915_WRITE(DSPADDR(plane), obj->gtt_offset + linear_offset); |
5eddb70b | 2074 | POSTING_READ(reg); |
81255565 | 2075 | |
17638cd6 JB |
2076 | return 0; |
2077 | } | |
2078 | ||
2079 | static int ironlake_update_plane(struct drm_crtc *crtc, | |
2080 | struct drm_framebuffer *fb, int x, int y) | |
2081 | { | |
2082 | struct drm_device *dev = crtc->dev; | |
2083 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2084 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2085 | struct intel_framebuffer *intel_fb; | |
2086 | struct drm_i915_gem_object *obj; | |
2087 | int plane = intel_crtc->plane; | |
e506a0c6 | 2088 | unsigned long linear_offset; |
17638cd6 JB |
2089 | u32 dspcntr; |
2090 | u32 reg; | |
2091 | ||
2092 | switch (plane) { | |
2093 | case 0: | |
2094 | case 1: | |
27f8227b | 2095 | case 2: |
17638cd6 JB |
2096 | break; |
2097 | default: | |
84f44ce7 | 2098 | DRM_ERROR("Can't update plane %c in SAREA\n", plane_name(plane)); |
17638cd6 JB |
2099 | return -EINVAL; |
2100 | } | |
2101 | ||
2102 | intel_fb = to_intel_framebuffer(fb); | |
2103 | obj = intel_fb->obj; | |
2104 | ||
2105 | reg = DSPCNTR(plane); | |
2106 | dspcntr = I915_READ(reg); | |
2107 | /* Mask out pixel format bits in case we change it */ | |
2108 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; | |
57779d06 VS |
2109 | switch (fb->pixel_format) { |
2110 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2111 | dspcntr |= DISPPLANE_8BPP; |
2112 | break; | |
57779d06 VS |
2113 | case DRM_FORMAT_RGB565: |
2114 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2115 | break; |
57779d06 VS |
2116 | case DRM_FORMAT_XRGB8888: |
2117 | case DRM_FORMAT_ARGB8888: | |
2118 | dspcntr |= DISPPLANE_BGRX888; | |
2119 | break; | |
2120 | case DRM_FORMAT_XBGR8888: | |
2121 | case DRM_FORMAT_ABGR8888: | |
2122 | dspcntr |= DISPPLANE_RGBX888; | |
2123 | break; | |
2124 | case DRM_FORMAT_XRGB2101010: | |
2125 | case DRM_FORMAT_ARGB2101010: | |
2126 | dspcntr |= DISPPLANE_BGRX101010; | |
2127 | break; | |
2128 | case DRM_FORMAT_XBGR2101010: | |
2129 | case DRM_FORMAT_ABGR2101010: | |
2130 | dspcntr |= DISPPLANE_RGBX101010; | |
17638cd6 JB |
2131 | break; |
2132 | default: | |
baba133a | 2133 | BUG(); |
17638cd6 JB |
2134 | } |
2135 | ||
2136 | if (obj->tiling_mode != I915_TILING_NONE) | |
2137 | dspcntr |= DISPPLANE_TILED; | |
2138 | else | |
2139 | dspcntr &= ~DISPPLANE_TILED; | |
2140 | ||
2141 | /* must disable */ | |
2142 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2143 | ||
2144 | I915_WRITE(reg, dspcntr); | |
2145 | ||
e506a0c6 | 2146 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
c2c75131 | 2147 | intel_crtc->dspaddr_offset = |
bc752862 CW |
2148 | intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode, |
2149 | fb->bits_per_pixel / 8, | |
2150 | fb->pitches[0]); | |
c2c75131 | 2151 | linear_offset -= intel_crtc->dspaddr_offset; |
17638cd6 | 2152 | |
e506a0c6 DV |
2153 | DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", |
2154 | obj->gtt_offset, linear_offset, x, y, fb->pitches[0]); | |
01f2c773 | 2155 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
c2c75131 DV |
2156 | I915_MODIFY_DISPBASE(DSPSURF(plane), |
2157 | obj->gtt_offset + intel_crtc->dspaddr_offset); | |
bc1c91eb DL |
2158 | if (IS_HASWELL(dev)) { |
2159 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); | |
2160 | } else { | |
2161 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2162 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2163 | } | |
17638cd6 JB |
2164 | POSTING_READ(reg); |
2165 | ||
2166 | return 0; | |
2167 | } | |
2168 | ||
2169 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ | |
2170 | static int | |
2171 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
2172 | int x, int y, enum mode_set_atomic state) | |
2173 | { | |
2174 | struct drm_device *dev = crtc->dev; | |
2175 | struct drm_i915_private *dev_priv = dev->dev_private; | |
17638cd6 | 2176 | |
6b8e6ed0 CW |
2177 | if (dev_priv->display.disable_fbc) |
2178 | dev_priv->display.disable_fbc(dev); | |
3dec0095 | 2179 | intel_increase_pllclock(crtc); |
81255565 | 2180 | |
6b8e6ed0 | 2181 | return dev_priv->display.update_plane(crtc, fb, x, y); |
81255565 JB |
2182 | } |
2183 | ||
96a02917 VS |
2184 | void intel_display_handle_reset(struct drm_device *dev) |
2185 | { | |
2186 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2187 | struct drm_crtc *crtc; | |
2188 | ||
2189 | /* | |
2190 | * Flips in the rings have been nuked by the reset, | |
2191 | * so complete all pending flips so that user space | |
2192 | * will get its events and not get stuck. | |
2193 | * | |
2194 | * Also update the base address of all primary | |
2195 | * planes to the the last fb to make sure we're | |
2196 | * showing the correct fb after a reset. | |
2197 | * | |
2198 | * Need to make two loops over the crtcs so that we | |
2199 | * don't try to grab a crtc mutex before the | |
2200 | * pending_flip_queue really got woken up. | |
2201 | */ | |
2202 | ||
2203 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2204 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2205 | enum plane plane = intel_crtc->plane; | |
2206 | ||
2207 | intel_prepare_page_flip(dev, plane); | |
2208 | intel_finish_page_flip_plane(dev, plane); | |
2209 | } | |
2210 | ||
2211 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
2212 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2213 | ||
2214 | mutex_lock(&crtc->mutex); | |
2215 | if (intel_crtc->active) | |
2216 | dev_priv->display.update_plane(crtc, crtc->fb, | |
2217 | crtc->x, crtc->y); | |
2218 | mutex_unlock(&crtc->mutex); | |
2219 | } | |
2220 | } | |
2221 | ||
14667a4b CW |
2222 | static int |
2223 | intel_finish_fb(struct drm_framebuffer *old_fb) | |
2224 | { | |
2225 | struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj; | |
2226 | struct drm_i915_private *dev_priv = obj->base.dev->dev_private; | |
2227 | bool was_interruptible = dev_priv->mm.interruptible; | |
2228 | int ret; | |
2229 | ||
14667a4b CW |
2230 | /* Big Hammer, we also need to ensure that any pending |
2231 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
2232 | * current scanout is retired before unpinning the old | |
2233 | * framebuffer. | |
2234 | * | |
2235 | * This should only fail upon a hung GPU, in which case we | |
2236 | * can safely continue. | |
2237 | */ | |
2238 | dev_priv->mm.interruptible = false; | |
2239 | ret = i915_gem_object_finish_gpu(obj); | |
2240 | dev_priv->mm.interruptible = was_interruptible; | |
2241 | ||
2242 | return ret; | |
2243 | } | |
2244 | ||
198598d0 VS |
2245 | static void intel_crtc_update_sarea_pos(struct drm_crtc *crtc, int x, int y) |
2246 | { | |
2247 | struct drm_device *dev = crtc->dev; | |
2248 | struct drm_i915_master_private *master_priv; | |
2249 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2250 | ||
2251 | if (!dev->primary->master) | |
2252 | return; | |
2253 | ||
2254 | master_priv = dev->primary->master->driver_priv; | |
2255 | if (!master_priv->sarea_priv) | |
2256 | return; | |
2257 | ||
2258 | switch (intel_crtc->pipe) { | |
2259 | case 0: | |
2260 | master_priv->sarea_priv->pipeA_x = x; | |
2261 | master_priv->sarea_priv->pipeA_y = y; | |
2262 | break; | |
2263 | case 1: | |
2264 | master_priv->sarea_priv->pipeB_x = x; | |
2265 | master_priv->sarea_priv->pipeB_y = y; | |
2266 | break; | |
2267 | default: | |
2268 | break; | |
2269 | } | |
2270 | } | |
2271 | ||
5c3b82e2 | 2272 | static int |
3c4fdcfb | 2273 | intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
94352cf9 | 2274 | struct drm_framebuffer *fb) |
79e53945 JB |
2275 | { |
2276 | struct drm_device *dev = crtc->dev; | |
6b8e6ed0 | 2277 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 2278 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
94352cf9 | 2279 | struct drm_framebuffer *old_fb; |
5c3b82e2 | 2280 | int ret; |
79e53945 JB |
2281 | |
2282 | /* no fb bound */ | |
94352cf9 | 2283 | if (!fb) { |
a5071c2f | 2284 | DRM_ERROR("No FB bound\n"); |
5c3b82e2 CW |
2285 | return 0; |
2286 | } | |
2287 | ||
7eb552ae | 2288 | if (intel_crtc->plane > INTEL_INFO(dev)->num_pipes) { |
84f44ce7 VS |
2289 | DRM_ERROR("no plane for crtc: plane %c, num_pipes %d\n", |
2290 | plane_name(intel_crtc->plane), | |
2291 | INTEL_INFO(dev)->num_pipes); | |
5c3b82e2 | 2292 | return -EINVAL; |
79e53945 JB |
2293 | } |
2294 | ||
5c3b82e2 | 2295 | mutex_lock(&dev->struct_mutex); |
265db958 | 2296 | ret = intel_pin_and_fence_fb_obj(dev, |
94352cf9 | 2297 | to_intel_framebuffer(fb)->obj, |
919926ae | 2298 | NULL); |
5c3b82e2 CW |
2299 | if (ret != 0) { |
2300 | mutex_unlock(&dev->struct_mutex); | |
a5071c2f | 2301 | DRM_ERROR("pin & fence failed\n"); |
5c3b82e2 CW |
2302 | return ret; |
2303 | } | |
79e53945 | 2304 | |
94352cf9 | 2305 | ret = dev_priv->display.update_plane(crtc, fb, x, y); |
4e6cfefc | 2306 | if (ret) { |
94352cf9 | 2307 | intel_unpin_fb_obj(to_intel_framebuffer(fb)->obj); |
5c3b82e2 | 2308 | mutex_unlock(&dev->struct_mutex); |
a5071c2f | 2309 | DRM_ERROR("failed to update base address\n"); |
4e6cfefc | 2310 | return ret; |
79e53945 | 2311 | } |
3c4fdcfb | 2312 | |
94352cf9 DV |
2313 | old_fb = crtc->fb; |
2314 | crtc->fb = fb; | |
6c4c86f5 DV |
2315 | crtc->x = x; |
2316 | crtc->y = y; | |
94352cf9 | 2317 | |
b7f1de28 CW |
2318 | if (old_fb) { |
2319 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
1690e1eb | 2320 | intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj); |
b7f1de28 | 2321 | } |
652c393a | 2322 | |
6b8e6ed0 | 2323 | intel_update_fbc(dev); |
5c3b82e2 | 2324 | mutex_unlock(&dev->struct_mutex); |
79e53945 | 2325 | |
198598d0 | 2326 | intel_crtc_update_sarea_pos(crtc, x, y); |
5c3b82e2 CW |
2327 | |
2328 | return 0; | |
79e53945 JB |
2329 | } |
2330 | ||
5e84e1a4 ZW |
2331 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
2332 | { | |
2333 | struct drm_device *dev = crtc->dev; | |
2334 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2335 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2336 | int pipe = intel_crtc->pipe; | |
2337 | u32 reg, temp; | |
2338 | ||
2339 | /* enable normal train */ | |
2340 | reg = FDI_TX_CTL(pipe); | |
2341 | temp = I915_READ(reg); | |
61e499bf | 2342 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
2343 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
2344 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
2345 | } else { |
2346 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2347 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 2348 | } |
5e84e1a4 ZW |
2349 | I915_WRITE(reg, temp); |
2350 | ||
2351 | reg = FDI_RX_CTL(pipe); | |
2352 | temp = I915_READ(reg); | |
2353 | if (HAS_PCH_CPT(dev)) { | |
2354 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2355 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
2356 | } else { | |
2357 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2358 | temp |= FDI_LINK_TRAIN_NONE; | |
2359 | } | |
2360 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
2361 | ||
2362 | /* wait one idle pattern time */ | |
2363 | POSTING_READ(reg); | |
2364 | udelay(1000); | |
357555c0 JB |
2365 | |
2366 | /* IVB wants error correction enabled */ | |
2367 | if (IS_IVYBRIDGE(dev)) | |
2368 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
2369 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
2370 | } |
2371 | ||
1e833f40 DV |
2372 | static bool pipe_has_enabled_pch(struct intel_crtc *intel_crtc) |
2373 | { | |
2374 | return intel_crtc->base.enabled && intel_crtc->config.has_pch_encoder; | |
2375 | } | |
2376 | ||
01a415fd DV |
2377 | static void ivb_modeset_global_resources(struct drm_device *dev) |
2378 | { | |
2379 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2380 | struct intel_crtc *pipe_B_crtc = | |
2381 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); | |
2382 | struct intel_crtc *pipe_C_crtc = | |
2383 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]); | |
2384 | uint32_t temp; | |
2385 | ||
1e833f40 DV |
2386 | /* |
2387 | * When everything is off disable fdi C so that we could enable fdi B | |
2388 | * with all lanes. Note that we don't care about enabled pipes without | |
2389 | * an enabled pch encoder. | |
2390 | */ | |
2391 | if (!pipe_has_enabled_pch(pipe_B_crtc) && | |
2392 | !pipe_has_enabled_pch(pipe_C_crtc)) { | |
01a415fd DV |
2393 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
2394 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
2395 | ||
2396 | temp = I915_READ(SOUTH_CHICKEN1); | |
2397 | temp &= ~FDI_BC_BIFURCATION_SELECT; | |
2398 | DRM_DEBUG_KMS("disabling fdi C rx\n"); | |
2399 | I915_WRITE(SOUTH_CHICKEN1, temp); | |
2400 | } | |
2401 | } | |
2402 | ||
8db9d77b ZW |
2403 | /* The FDI link training functions for ILK/Ibexpeak. */ |
2404 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
2405 | { | |
2406 | struct drm_device *dev = crtc->dev; | |
2407 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2408 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2409 | int pipe = intel_crtc->pipe; | |
0fc932b8 | 2410 | int plane = intel_crtc->plane; |
5eddb70b | 2411 | u32 reg, temp, tries; |
8db9d77b | 2412 | |
0fc932b8 JB |
2413 | /* FDI needs bits from pipe & plane first */ |
2414 | assert_pipe_enabled(dev_priv, pipe); | |
2415 | assert_plane_enabled(dev_priv, plane); | |
2416 | ||
e1a44743 AJ |
2417 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
2418 | for train result */ | |
5eddb70b CW |
2419 | reg = FDI_RX_IMR(pipe); |
2420 | temp = I915_READ(reg); | |
e1a44743 AJ |
2421 | temp &= ~FDI_RX_SYMBOL_LOCK; |
2422 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
2423 | I915_WRITE(reg, temp); |
2424 | I915_READ(reg); | |
e1a44743 AJ |
2425 | udelay(150); |
2426 | ||
8db9d77b | 2427 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
2428 | reg = FDI_TX_CTL(pipe); |
2429 | temp = I915_READ(reg); | |
627eb5a3 DV |
2430 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2431 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
8db9d77b ZW |
2432 | temp &= ~FDI_LINK_TRAIN_NONE; |
2433 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 2434 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 2435 | |
5eddb70b CW |
2436 | reg = FDI_RX_CTL(pipe); |
2437 | temp = I915_READ(reg); | |
8db9d77b ZW |
2438 | temp &= ~FDI_LINK_TRAIN_NONE; |
2439 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
2440 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
2441 | ||
2442 | POSTING_READ(reg); | |
8db9d77b ZW |
2443 | udelay(150); |
2444 | ||
5b2adf89 | 2445 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
2446 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
2447 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
2448 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 2449 | |
5eddb70b | 2450 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 2451 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 2452 | temp = I915_READ(reg); |
8db9d77b ZW |
2453 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
2454 | ||
2455 | if ((temp & FDI_RX_BIT_LOCK)) { | |
2456 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 2457 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
2458 | break; |
2459 | } | |
8db9d77b | 2460 | } |
e1a44743 | 2461 | if (tries == 5) |
5eddb70b | 2462 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
2463 | |
2464 | /* Train 2 */ | |
5eddb70b CW |
2465 | reg = FDI_TX_CTL(pipe); |
2466 | temp = I915_READ(reg); | |
8db9d77b ZW |
2467 | temp &= ~FDI_LINK_TRAIN_NONE; |
2468 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 2469 | I915_WRITE(reg, temp); |
8db9d77b | 2470 | |
5eddb70b CW |
2471 | reg = FDI_RX_CTL(pipe); |
2472 | temp = I915_READ(reg); | |
8db9d77b ZW |
2473 | temp &= ~FDI_LINK_TRAIN_NONE; |
2474 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 2475 | I915_WRITE(reg, temp); |
8db9d77b | 2476 | |
5eddb70b CW |
2477 | POSTING_READ(reg); |
2478 | udelay(150); | |
8db9d77b | 2479 | |
5eddb70b | 2480 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 2481 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 2482 | temp = I915_READ(reg); |
8db9d77b ZW |
2483 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
2484 | ||
2485 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 2486 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
2487 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
2488 | break; | |
2489 | } | |
8db9d77b | 2490 | } |
e1a44743 | 2491 | if (tries == 5) |
5eddb70b | 2492 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
2493 | |
2494 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 2495 | |
8db9d77b ZW |
2496 | } |
2497 | ||
0206e353 | 2498 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
2499 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
2500 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
2501 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
2502 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
2503 | }; | |
2504 | ||
2505 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
2506 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
2507 | { | |
2508 | struct drm_device *dev = crtc->dev; | |
2509 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2510 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2511 | int pipe = intel_crtc->pipe; | |
fa37d39e | 2512 | u32 reg, temp, i, retry; |
8db9d77b | 2513 | |
e1a44743 AJ |
2514 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
2515 | for train result */ | |
5eddb70b CW |
2516 | reg = FDI_RX_IMR(pipe); |
2517 | temp = I915_READ(reg); | |
e1a44743 AJ |
2518 | temp &= ~FDI_RX_SYMBOL_LOCK; |
2519 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
2520 | I915_WRITE(reg, temp); |
2521 | ||
2522 | POSTING_READ(reg); | |
e1a44743 AJ |
2523 | udelay(150); |
2524 | ||
8db9d77b | 2525 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
2526 | reg = FDI_TX_CTL(pipe); |
2527 | temp = I915_READ(reg); | |
627eb5a3 DV |
2528 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2529 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
8db9d77b ZW |
2530 | temp &= ~FDI_LINK_TRAIN_NONE; |
2531 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
2532 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2533 | /* SNB-B */ | |
2534 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 2535 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 2536 | |
d74cf324 DV |
2537 | I915_WRITE(FDI_RX_MISC(pipe), |
2538 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
2539 | ||
5eddb70b CW |
2540 | reg = FDI_RX_CTL(pipe); |
2541 | temp = I915_READ(reg); | |
8db9d77b ZW |
2542 | if (HAS_PCH_CPT(dev)) { |
2543 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2544 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
2545 | } else { | |
2546 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2547 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
2548 | } | |
5eddb70b CW |
2549 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
2550 | ||
2551 | POSTING_READ(reg); | |
8db9d77b ZW |
2552 | udelay(150); |
2553 | ||
0206e353 | 2554 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
2555 | reg = FDI_TX_CTL(pipe); |
2556 | temp = I915_READ(reg); | |
8db9d77b ZW |
2557 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
2558 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
2559 | I915_WRITE(reg, temp); |
2560 | ||
2561 | POSTING_READ(reg); | |
8db9d77b ZW |
2562 | udelay(500); |
2563 | ||
fa37d39e SP |
2564 | for (retry = 0; retry < 5; retry++) { |
2565 | reg = FDI_RX_IIR(pipe); | |
2566 | temp = I915_READ(reg); | |
2567 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
2568 | if (temp & FDI_RX_BIT_LOCK) { | |
2569 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
2570 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
2571 | break; | |
2572 | } | |
2573 | udelay(50); | |
8db9d77b | 2574 | } |
fa37d39e SP |
2575 | if (retry < 5) |
2576 | break; | |
8db9d77b ZW |
2577 | } |
2578 | if (i == 4) | |
5eddb70b | 2579 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
2580 | |
2581 | /* Train 2 */ | |
5eddb70b CW |
2582 | reg = FDI_TX_CTL(pipe); |
2583 | temp = I915_READ(reg); | |
8db9d77b ZW |
2584 | temp &= ~FDI_LINK_TRAIN_NONE; |
2585 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
2586 | if (IS_GEN6(dev)) { | |
2587 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2588 | /* SNB-B */ | |
2589 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
2590 | } | |
5eddb70b | 2591 | I915_WRITE(reg, temp); |
8db9d77b | 2592 | |
5eddb70b CW |
2593 | reg = FDI_RX_CTL(pipe); |
2594 | temp = I915_READ(reg); | |
8db9d77b ZW |
2595 | if (HAS_PCH_CPT(dev)) { |
2596 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2597 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
2598 | } else { | |
2599 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2600 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
2601 | } | |
5eddb70b CW |
2602 | I915_WRITE(reg, temp); |
2603 | ||
2604 | POSTING_READ(reg); | |
8db9d77b ZW |
2605 | udelay(150); |
2606 | ||
0206e353 | 2607 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
2608 | reg = FDI_TX_CTL(pipe); |
2609 | temp = I915_READ(reg); | |
8db9d77b ZW |
2610 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
2611 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
2612 | I915_WRITE(reg, temp); |
2613 | ||
2614 | POSTING_READ(reg); | |
8db9d77b ZW |
2615 | udelay(500); |
2616 | ||
fa37d39e SP |
2617 | for (retry = 0; retry < 5; retry++) { |
2618 | reg = FDI_RX_IIR(pipe); | |
2619 | temp = I915_READ(reg); | |
2620 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
2621 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
2622 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
2623 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
2624 | break; | |
2625 | } | |
2626 | udelay(50); | |
8db9d77b | 2627 | } |
fa37d39e SP |
2628 | if (retry < 5) |
2629 | break; | |
8db9d77b ZW |
2630 | } |
2631 | if (i == 4) | |
5eddb70b | 2632 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
2633 | |
2634 | DRM_DEBUG_KMS("FDI train done.\n"); | |
2635 | } | |
2636 | ||
357555c0 JB |
2637 | /* Manual link training for Ivy Bridge A0 parts */ |
2638 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
2639 | { | |
2640 | struct drm_device *dev = crtc->dev; | |
2641 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2642 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2643 | int pipe = intel_crtc->pipe; | |
2644 | u32 reg, temp, i; | |
2645 | ||
2646 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
2647 | for train result */ | |
2648 | reg = FDI_RX_IMR(pipe); | |
2649 | temp = I915_READ(reg); | |
2650 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
2651 | temp &= ~FDI_RX_BIT_LOCK; | |
2652 | I915_WRITE(reg, temp); | |
2653 | ||
2654 | POSTING_READ(reg); | |
2655 | udelay(150); | |
2656 | ||
01a415fd DV |
2657 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
2658 | I915_READ(FDI_RX_IIR(pipe))); | |
2659 | ||
357555c0 JB |
2660 | /* enable CPU FDI TX and PCH FDI RX */ |
2661 | reg = FDI_TX_CTL(pipe); | |
2662 | temp = I915_READ(reg); | |
627eb5a3 DV |
2663 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
2664 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
357555c0 JB |
2665 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); |
2666 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; | |
2667 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2668 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
c4f9c4c2 | 2669 | temp |= FDI_COMPOSITE_SYNC; |
357555c0 JB |
2670 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
2671 | ||
d74cf324 DV |
2672 | I915_WRITE(FDI_RX_MISC(pipe), |
2673 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
2674 | ||
357555c0 JB |
2675 | reg = FDI_RX_CTL(pipe); |
2676 | temp = I915_READ(reg); | |
2677 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
2678 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2679 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
c4f9c4c2 | 2680 | temp |= FDI_COMPOSITE_SYNC; |
357555c0 JB |
2681 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
2682 | ||
2683 | POSTING_READ(reg); | |
2684 | udelay(150); | |
2685 | ||
0206e353 | 2686 | for (i = 0; i < 4; i++) { |
357555c0 JB |
2687 | reg = FDI_TX_CTL(pipe); |
2688 | temp = I915_READ(reg); | |
2689 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2690 | temp |= snb_b_fdi_train_param[i]; | |
2691 | I915_WRITE(reg, temp); | |
2692 | ||
2693 | POSTING_READ(reg); | |
2694 | udelay(500); | |
2695 | ||
2696 | reg = FDI_RX_IIR(pipe); | |
2697 | temp = I915_READ(reg); | |
2698 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
2699 | ||
2700 | if (temp & FDI_RX_BIT_LOCK || | |
2701 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
2702 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
01a415fd | 2703 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", i); |
357555c0 JB |
2704 | break; |
2705 | } | |
2706 | } | |
2707 | if (i == 4) | |
2708 | DRM_ERROR("FDI train 1 fail!\n"); | |
2709 | ||
2710 | /* Train 2 */ | |
2711 | reg = FDI_TX_CTL(pipe); | |
2712 | temp = I915_READ(reg); | |
2713 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; | |
2714 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
2715 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2716 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
2717 | I915_WRITE(reg, temp); | |
2718 | ||
2719 | reg = FDI_RX_CTL(pipe); | |
2720 | temp = I915_READ(reg); | |
2721 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2722 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
2723 | I915_WRITE(reg, temp); | |
2724 | ||
2725 | POSTING_READ(reg); | |
2726 | udelay(150); | |
2727 | ||
0206e353 | 2728 | for (i = 0; i < 4; i++) { |
357555c0 JB |
2729 | reg = FDI_TX_CTL(pipe); |
2730 | temp = I915_READ(reg); | |
2731 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
2732 | temp |= snb_b_fdi_train_param[i]; | |
2733 | I915_WRITE(reg, temp); | |
2734 | ||
2735 | POSTING_READ(reg); | |
2736 | udelay(500); | |
2737 | ||
2738 | reg = FDI_RX_IIR(pipe); | |
2739 | temp = I915_READ(reg); | |
2740 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
2741 | ||
2742 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
2743 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
01a415fd | 2744 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", i); |
357555c0 JB |
2745 | break; |
2746 | } | |
2747 | } | |
2748 | if (i == 4) | |
2749 | DRM_ERROR("FDI train 2 fail!\n"); | |
2750 | ||
2751 | DRM_DEBUG_KMS("FDI train done.\n"); | |
2752 | } | |
2753 | ||
88cefb6c | 2754 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 2755 | { |
88cefb6c | 2756 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 2757 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 2758 | int pipe = intel_crtc->pipe; |
5eddb70b | 2759 | u32 reg, temp; |
79e53945 | 2760 | |
c64e311e | 2761 | |
c98e9dcf | 2762 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
2763 | reg = FDI_RX_CTL(pipe); |
2764 | temp = I915_READ(reg); | |
627eb5a3 DV |
2765 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
2766 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config.fdi_lanes); | |
dfd07d72 | 2767 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
2768 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
2769 | ||
2770 | POSTING_READ(reg); | |
c98e9dcf JB |
2771 | udelay(200); |
2772 | ||
2773 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
2774 | temp = I915_READ(reg); |
2775 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
2776 | ||
2777 | POSTING_READ(reg); | |
c98e9dcf JB |
2778 | udelay(200); |
2779 | ||
20749730 PZ |
2780 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
2781 | reg = FDI_TX_CTL(pipe); | |
2782 | temp = I915_READ(reg); | |
2783 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
2784 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 2785 | |
20749730 PZ |
2786 | POSTING_READ(reg); |
2787 | udelay(100); | |
6be4a607 | 2788 | } |
0e23b99d JB |
2789 | } |
2790 | ||
88cefb6c DV |
2791 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
2792 | { | |
2793 | struct drm_device *dev = intel_crtc->base.dev; | |
2794 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2795 | int pipe = intel_crtc->pipe; | |
2796 | u32 reg, temp; | |
2797 | ||
2798 | /* Switch from PCDclk to Rawclk */ | |
2799 | reg = FDI_RX_CTL(pipe); | |
2800 | temp = I915_READ(reg); | |
2801 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
2802 | ||
2803 | /* Disable CPU FDI TX PLL */ | |
2804 | reg = FDI_TX_CTL(pipe); | |
2805 | temp = I915_READ(reg); | |
2806 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
2807 | ||
2808 | POSTING_READ(reg); | |
2809 | udelay(100); | |
2810 | ||
2811 | reg = FDI_RX_CTL(pipe); | |
2812 | temp = I915_READ(reg); | |
2813 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
2814 | ||
2815 | /* Wait for the clocks to turn off. */ | |
2816 | POSTING_READ(reg); | |
2817 | udelay(100); | |
2818 | } | |
2819 | ||
0fc932b8 JB |
2820 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
2821 | { | |
2822 | struct drm_device *dev = crtc->dev; | |
2823 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2824 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
2825 | int pipe = intel_crtc->pipe; | |
2826 | u32 reg, temp; | |
2827 | ||
2828 | /* disable CPU FDI tx and PCH FDI rx */ | |
2829 | reg = FDI_TX_CTL(pipe); | |
2830 | temp = I915_READ(reg); | |
2831 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
2832 | POSTING_READ(reg); | |
2833 | ||
2834 | reg = FDI_RX_CTL(pipe); | |
2835 | temp = I915_READ(reg); | |
2836 | temp &= ~(0x7 << 16); | |
dfd07d72 | 2837 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
2838 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
2839 | ||
2840 | POSTING_READ(reg); | |
2841 | udelay(100); | |
2842 | ||
2843 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
6f06ce18 JB |
2844 | if (HAS_PCH_IBX(dev)) { |
2845 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); | |
6f06ce18 | 2846 | } |
0fc932b8 JB |
2847 | |
2848 | /* still set train pattern 1 */ | |
2849 | reg = FDI_TX_CTL(pipe); | |
2850 | temp = I915_READ(reg); | |
2851 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2852 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
2853 | I915_WRITE(reg, temp); | |
2854 | ||
2855 | reg = FDI_RX_CTL(pipe); | |
2856 | temp = I915_READ(reg); | |
2857 | if (HAS_PCH_CPT(dev)) { | |
2858 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
2859 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
2860 | } else { | |
2861 | temp &= ~FDI_LINK_TRAIN_NONE; | |
2862 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
2863 | } | |
2864 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
2865 | temp &= ~(0x07 << 16); | |
dfd07d72 | 2866 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
2867 | I915_WRITE(reg, temp); |
2868 | ||
2869 | POSTING_READ(reg); | |
2870 | udelay(100); | |
2871 | } | |
2872 | ||
5bb61643 CW |
2873 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
2874 | { | |
2875 | struct drm_device *dev = crtc->dev; | |
2876 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10d83730 | 2877 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5bb61643 CW |
2878 | unsigned long flags; |
2879 | bool pending; | |
2880 | ||
10d83730 VS |
2881 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
2882 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
5bb61643 CW |
2883 | return false; |
2884 | ||
2885 | spin_lock_irqsave(&dev->event_lock, flags); | |
2886 | pending = to_intel_crtc(crtc)->unpin_work != NULL; | |
2887 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2888 | ||
2889 | return pending; | |
2890 | } | |
2891 | ||
e6c3a2a6 CW |
2892 | static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
2893 | { | |
0f91128d | 2894 | struct drm_device *dev = crtc->dev; |
5bb61643 | 2895 | struct drm_i915_private *dev_priv = dev->dev_private; |
e6c3a2a6 CW |
2896 | |
2897 | if (crtc->fb == NULL) | |
2898 | return; | |
2899 | ||
2c10d571 DV |
2900 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
2901 | ||
5bb61643 CW |
2902 | wait_event(dev_priv->pending_flip_queue, |
2903 | !intel_crtc_has_pending_flip(crtc)); | |
2904 | ||
0f91128d CW |
2905 | mutex_lock(&dev->struct_mutex); |
2906 | intel_finish_fb(crtc->fb); | |
2907 | mutex_unlock(&dev->struct_mutex); | |
e6c3a2a6 CW |
2908 | } |
2909 | ||
e615efe4 ED |
2910 | /* Program iCLKIP clock to the desired frequency */ |
2911 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
2912 | { | |
2913 | struct drm_device *dev = crtc->dev; | |
2914 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2915 | u32 divsel, phaseinc, auxdiv, phasedir = 0; | |
2916 | u32 temp; | |
2917 | ||
09153000 DV |
2918 | mutex_lock(&dev_priv->dpio_lock); |
2919 | ||
e615efe4 ED |
2920 | /* It is necessary to ungate the pixclk gate prior to programming |
2921 | * the divisors, and gate it back when it is done. | |
2922 | */ | |
2923 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
2924 | ||
2925 | /* Disable SSCCTL */ | |
2926 | intel_sbi_write(dev_priv, SBI_SSCCTL6, | |
988d6ee8 PZ |
2927 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
2928 | SBI_SSCCTL_DISABLE, | |
2929 | SBI_ICLK); | |
e615efe4 ED |
2930 | |
2931 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ | |
2932 | if (crtc->mode.clock == 20000) { | |
2933 | auxdiv = 1; | |
2934 | divsel = 0x41; | |
2935 | phaseinc = 0x20; | |
2936 | } else { | |
2937 | /* The iCLK virtual clock root frequency is in MHz, | |
2938 | * but the crtc->mode.clock in in KHz. To get the divisors, | |
2939 | * it is necessary to divide one by another, so we | |
2940 | * convert the virtual clock precision to KHz here for higher | |
2941 | * precision. | |
2942 | */ | |
2943 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
2944 | u32 iclk_pi_range = 64; | |
2945 | u32 desired_divisor, msb_divisor_value, pi_value; | |
2946 | ||
2947 | desired_divisor = (iclk_virtual_root_freq / crtc->mode.clock); | |
2948 | msb_divisor_value = desired_divisor / iclk_pi_range; | |
2949 | pi_value = desired_divisor % iclk_pi_range; | |
2950 | ||
2951 | auxdiv = 0; | |
2952 | divsel = msb_divisor_value - 2; | |
2953 | phaseinc = pi_value; | |
2954 | } | |
2955 | ||
2956 | /* This should not happen with any sane values */ | |
2957 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
2958 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
2959 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
2960 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
2961 | ||
2962 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
2963 | crtc->mode.clock, | |
2964 | auxdiv, | |
2965 | divsel, | |
2966 | phasedir, | |
2967 | phaseinc); | |
2968 | ||
2969 | /* Program SSCDIVINTPHASE6 */ | |
988d6ee8 | 2970 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
2971 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
2972 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
2973 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
2974 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
2975 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
2976 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 2977 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
2978 | |
2979 | /* Program SSCAUXDIV */ | |
988d6ee8 | 2980 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
2981 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
2982 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 2983 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
2984 | |
2985 | /* Enable modulator and associated divider */ | |
988d6ee8 | 2986 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 2987 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 2988 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 ED |
2989 | |
2990 | /* Wait for initialization time */ | |
2991 | udelay(24); | |
2992 | ||
2993 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
09153000 DV |
2994 | |
2995 | mutex_unlock(&dev_priv->dpio_lock); | |
e615efe4 ED |
2996 | } |
2997 | ||
f67a559d JB |
2998 | /* |
2999 | * Enable PCH resources required for PCH ports: | |
3000 | * - PCH PLLs | |
3001 | * - FDI training & RX/TX | |
3002 | * - update transcoder timings | |
3003 | * - DP transcoding bits | |
3004 | * - transcoder | |
3005 | */ | |
3006 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
3007 | { |
3008 | struct drm_device *dev = crtc->dev; | |
3009 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3010 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3011 | int pipe = intel_crtc->pipe; | |
ee7b9f93 | 3012 | u32 reg, temp; |
2c07245f | 3013 | |
e7e164db CW |
3014 | assert_transcoder_disabled(dev_priv, pipe); |
3015 | ||
cd986abb DV |
3016 | /* Write the TU size bits before fdi link training, so that error |
3017 | * detection works. */ | |
3018 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
3019 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
3020 | ||
c98e9dcf | 3021 | /* For PCH output, training FDI link */ |
674cf967 | 3022 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 3023 | |
572deb37 DV |
3024 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
3025 | * transcoder, and we actually should do this to not upset any PCH | |
3026 | * transcoder that already use the clock when we share it. | |
3027 | * | |
3028 | * Note that enable_pch_pll tries to do the right thing, but get_pch_pll | |
3029 | * unconditionally resets the pll - we need that to have the right LVDS | |
3030 | * enable sequence. */ | |
b6b4e185 | 3031 | ironlake_enable_pch_pll(intel_crtc); |
6f13b7b5 | 3032 | |
303b81e0 | 3033 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 3034 | u32 sel; |
4b645f14 | 3035 | |
c98e9dcf | 3036 | temp = I915_READ(PCH_DPLL_SEL); |
ee7b9f93 JB |
3037 | switch (pipe) { |
3038 | default: | |
3039 | case 0: | |
3040 | temp |= TRANSA_DPLL_ENABLE; | |
3041 | sel = TRANSA_DPLLB_SEL; | |
3042 | break; | |
3043 | case 1: | |
3044 | temp |= TRANSB_DPLL_ENABLE; | |
3045 | sel = TRANSB_DPLLB_SEL; | |
3046 | break; | |
3047 | case 2: | |
3048 | temp |= TRANSC_DPLL_ENABLE; | |
3049 | sel = TRANSC_DPLLB_SEL; | |
3050 | break; | |
d64311ab | 3051 | } |
ee7b9f93 JB |
3052 | if (intel_crtc->pch_pll->pll_reg == _PCH_DPLL_B) |
3053 | temp |= sel; | |
3054 | else | |
3055 | temp &= ~sel; | |
c98e9dcf | 3056 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 3057 | } |
5eddb70b | 3058 | |
d9b6cb56 JB |
3059 | /* set transcoder timing, panel must allow it */ |
3060 | assert_panel_unlocked(dev_priv, pipe); | |
5eddb70b CW |
3061 | I915_WRITE(TRANS_HTOTAL(pipe), I915_READ(HTOTAL(pipe))); |
3062 | I915_WRITE(TRANS_HBLANK(pipe), I915_READ(HBLANK(pipe))); | |
3063 | I915_WRITE(TRANS_HSYNC(pipe), I915_READ(HSYNC(pipe))); | |
8db9d77b | 3064 | |
5eddb70b CW |
3065 | I915_WRITE(TRANS_VTOTAL(pipe), I915_READ(VTOTAL(pipe))); |
3066 | I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe))); | |
3067 | I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe))); | |
0529a0d9 | 3068 | I915_WRITE(TRANS_VSYNCSHIFT(pipe), I915_READ(VSYNCSHIFT(pipe))); |
8db9d77b | 3069 | |
303b81e0 | 3070 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 3071 | |
c98e9dcf JB |
3072 | /* For PCH DP, enable TRANS_DP_CTL */ |
3073 | if (HAS_PCH_CPT(dev) && | |
417e822d KP |
3074 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
3075 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { | |
dfd07d72 | 3076 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
5eddb70b CW |
3077 | reg = TRANS_DP_CTL(pipe); |
3078 | temp = I915_READ(reg); | |
3079 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
3080 | TRANS_DP_SYNC_MASK | |
3081 | TRANS_DP_BPC_MASK); | |
5eddb70b CW |
3082 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
3083 | TRANS_DP_ENH_FRAMING); | |
9325c9f0 | 3084 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf JB |
3085 | |
3086 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) | |
5eddb70b | 3087 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
c98e9dcf | 3088 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 3089 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
3090 | |
3091 | switch (intel_trans_dp_port_sel(crtc)) { | |
3092 | case PCH_DP_B: | |
5eddb70b | 3093 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf JB |
3094 | break; |
3095 | case PCH_DP_C: | |
5eddb70b | 3096 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf JB |
3097 | break; |
3098 | case PCH_DP_D: | |
5eddb70b | 3099 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
3100 | break; |
3101 | default: | |
e95d41e1 | 3102 | BUG(); |
32f9d658 | 3103 | } |
2c07245f | 3104 | |
5eddb70b | 3105 | I915_WRITE(reg, temp); |
6be4a607 | 3106 | } |
b52eb4dc | 3107 | |
b8a4f404 | 3108 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
3109 | } |
3110 | ||
1507e5bd PZ |
3111 | static void lpt_pch_enable(struct drm_crtc *crtc) |
3112 | { | |
3113 | struct drm_device *dev = crtc->dev; | |
3114 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3115 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3b117c8f | 3116 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
1507e5bd | 3117 | |
daed2dbb | 3118 | assert_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 3119 | |
8c52b5e8 | 3120 | lpt_program_iclkip(crtc); |
1507e5bd | 3121 | |
0540e488 | 3122 | /* Set transcoder timing. */ |
daed2dbb PZ |
3123 | I915_WRITE(_TRANS_HTOTAL_A, I915_READ(HTOTAL(cpu_transcoder))); |
3124 | I915_WRITE(_TRANS_HBLANK_A, I915_READ(HBLANK(cpu_transcoder))); | |
3125 | I915_WRITE(_TRANS_HSYNC_A, I915_READ(HSYNC(cpu_transcoder))); | |
1507e5bd | 3126 | |
daed2dbb PZ |
3127 | I915_WRITE(_TRANS_VTOTAL_A, I915_READ(VTOTAL(cpu_transcoder))); |
3128 | I915_WRITE(_TRANS_VBLANK_A, I915_READ(VBLANK(cpu_transcoder))); | |
3129 | I915_WRITE(_TRANS_VSYNC_A, I915_READ(VSYNC(cpu_transcoder))); | |
3130 | I915_WRITE(_TRANS_VSYNCSHIFT_A, I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
1507e5bd | 3131 | |
937bb610 | 3132 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
3133 | } |
3134 | ||
ee7b9f93 JB |
3135 | static void intel_put_pch_pll(struct intel_crtc *intel_crtc) |
3136 | { | |
3137 | struct intel_pch_pll *pll = intel_crtc->pch_pll; | |
3138 | ||
3139 | if (pll == NULL) | |
3140 | return; | |
3141 | ||
3142 | if (pll->refcount == 0) { | |
3143 | WARN(1, "bad PCH PLL refcount\n"); | |
3144 | return; | |
3145 | } | |
3146 | ||
3147 | --pll->refcount; | |
3148 | intel_crtc->pch_pll = NULL; | |
3149 | } | |
3150 | ||
3151 | static struct intel_pch_pll *intel_get_pch_pll(struct intel_crtc *intel_crtc, u32 dpll, u32 fp) | |
3152 | { | |
3153 | struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; | |
3154 | struct intel_pch_pll *pll; | |
3155 | int i; | |
3156 | ||
3157 | pll = intel_crtc->pch_pll; | |
3158 | if (pll) { | |
3159 | DRM_DEBUG_KMS("CRTC:%d reusing existing PCH PLL %x\n", | |
3160 | intel_crtc->base.base.id, pll->pll_reg); | |
3161 | goto prepare; | |
3162 | } | |
3163 | ||
98b6bd99 DV |
3164 | if (HAS_PCH_IBX(dev_priv->dev)) { |
3165 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ | |
3166 | i = intel_crtc->pipe; | |
3167 | pll = &dev_priv->pch_plls[i]; | |
3168 | ||
3169 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated PCH PLL %x\n", | |
3170 | intel_crtc->base.base.id, pll->pll_reg); | |
3171 | ||
3172 | goto found; | |
3173 | } | |
3174 | ||
ee7b9f93 JB |
3175 | for (i = 0; i < dev_priv->num_pch_pll; i++) { |
3176 | pll = &dev_priv->pch_plls[i]; | |
3177 | ||
3178 | /* Only want to check enabled timings first */ | |
3179 | if (pll->refcount == 0) | |
3180 | continue; | |
3181 | ||
3182 | if (dpll == (I915_READ(pll->pll_reg) & 0x7fffffff) && | |
3183 | fp == I915_READ(pll->fp0_reg)) { | |
3184 | DRM_DEBUG_KMS("CRTC:%d sharing existing PCH PLL %x (refcount %d, ative %d)\n", | |
3185 | intel_crtc->base.base.id, | |
3186 | pll->pll_reg, pll->refcount, pll->active); | |
3187 | ||
3188 | goto found; | |
3189 | } | |
3190 | } | |
3191 | ||
3192 | /* Ok no matching timings, maybe there's a free one? */ | |
3193 | for (i = 0; i < dev_priv->num_pch_pll; i++) { | |
3194 | pll = &dev_priv->pch_plls[i]; | |
3195 | if (pll->refcount == 0) { | |
3196 | DRM_DEBUG_KMS("CRTC:%d allocated PCH PLL %x\n", | |
3197 | intel_crtc->base.base.id, pll->pll_reg); | |
3198 | goto found; | |
3199 | } | |
3200 | } | |
3201 | ||
3202 | return NULL; | |
3203 | ||
3204 | found: | |
3205 | intel_crtc->pch_pll = pll; | |
3206 | pll->refcount++; | |
84f44ce7 | 3207 | DRM_DEBUG_DRIVER("using pll %d for pipe %c\n", i, pipe_name(intel_crtc->pipe)); |
ee7b9f93 JB |
3208 | prepare: /* separate function? */ |
3209 | DRM_DEBUG_DRIVER("switching PLL %x off\n", pll->pll_reg); | |
ee7b9f93 | 3210 | |
e04c7350 CW |
3211 | /* Wait for the clocks to stabilize before rewriting the regs */ |
3212 | I915_WRITE(pll->pll_reg, dpll & ~DPLL_VCO_ENABLE); | |
ee7b9f93 JB |
3213 | POSTING_READ(pll->pll_reg); |
3214 | udelay(150); | |
e04c7350 CW |
3215 | |
3216 | I915_WRITE(pll->fp0_reg, fp); | |
3217 | I915_WRITE(pll->pll_reg, dpll & ~DPLL_VCO_ENABLE); | |
ee7b9f93 JB |
3218 | pll->on = false; |
3219 | return pll; | |
3220 | } | |
3221 | ||
d4270e57 JB |
3222 | void intel_cpt_verify_modeset(struct drm_device *dev, int pipe) |
3223 | { | |
3224 | struct drm_i915_private *dev_priv = dev->dev_private; | |
23670b32 | 3225 | int dslreg = PIPEDSL(pipe); |
d4270e57 JB |
3226 | u32 temp; |
3227 | ||
3228 | temp = I915_READ(dslreg); | |
3229 | udelay(500); | |
3230 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 3231 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 3232 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
3233 | } |
3234 | } | |
3235 | ||
b074cec8 JB |
3236 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
3237 | { | |
3238 | struct drm_device *dev = crtc->base.dev; | |
3239 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3240 | int pipe = crtc->pipe; | |
3241 | ||
3242 | if (crtc->config.pch_pfit.size && | |
3243 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) { | |
3244 | /* Force use of hard-coded filter coefficients | |
3245 | * as some pre-programmed values are broken, | |
3246 | * e.g. x201. | |
3247 | */ | |
3248 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
3249 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
3250 | PF_PIPE_SEL_IVB(pipe)); | |
3251 | else | |
3252 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
3253 | I915_WRITE(PF_WIN_POS(pipe), crtc->config.pch_pfit.pos); | |
3254 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config.pch_pfit.size); | |
3255 | } | |
3256 | } | |
3257 | ||
f67a559d JB |
3258 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
3259 | { | |
3260 | struct drm_device *dev = crtc->dev; | |
3261 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3262 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 3263 | struct intel_encoder *encoder; |
f67a559d JB |
3264 | int pipe = intel_crtc->pipe; |
3265 | int plane = intel_crtc->plane; | |
3266 | u32 temp; | |
f67a559d | 3267 | |
08a48469 DV |
3268 | WARN_ON(!crtc->enabled); |
3269 | ||
f67a559d JB |
3270 | if (intel_crtc->active) |
3271 | return; | |
3272 | ||
3273 | intel_crtc->active = true; | |
8664281b PZ |
3274 | |
3275 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); | |
3276 | intel_set_pch_fifo_underrun_reporting(dev, pipe, true); | |
3277 | ||
f67a559d JB |
3278 | intel_update_watermarks(dev); |
3279 | ||
3280 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
3281 | temp = I915_READ(PCH_LVDS); | |
3282 | if ((temp & LVDS_PORT_EN) == 0) | |
3283 | I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN); | |
3284 | } | |
3285 | ||
f67a559d | 3286 | |
5bfe2ac0 | 3287 | if (intel_crtc->config.has_pch_encoder) { |
fff367c7 DV |
3288 | /* Note: FDI PLL enabling _must_ be done before we enable the |
3289 | * cpu pipes, hence this is separate from all the other fdi/pch | |
3290 | * enabling. */ | |
88cefb6c | 3291 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
3292 | } else { |
3293 | assert_fdi_tx_disabled(dev_priv, pipe); | |
3294 | assert_fdi_rx_disabled(dev_priv, pipe); | |
3295 | } | |
f67a559d | 3296 | |
bf49ec8c DV |
3297 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3298 | if (encoder->pre_enable) | |
3299 | encoder->pre_enable(encoder); | |
f67a559d JB |
3300 | |
3301 | /* Enable panel fitting for LVDS */ | |
b074cec8 | 3302 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 3303 | |
9c54c0dd JB |
3304 | /* |
3305 | * On ILK+ LUT must be loaded before the pipe is running but with | |
3306 | * clocks enabled | |
3307 | */ | |
3308 | intel_crtc_load_lut(crtc); | |
3309 | ||
5bfe2ac0 DV |
3310 | intel_enable_pipe(dev_priv, pipe, |
3311 | intel_crtc->config.has_pch_encoder); | |
f67a559d JB |
3312 | intel_enable_plane(dev_priv, plane, pipe); |
3313 | ||
5bfe2ac0 | 3314 | if (intel_crtc->config.has_pch_encoder) |
f67a559d | 3315 | ironlake_pch_enable(crtc); |
c98e9dcf | 3316 | |
d1ebd816 | 3317 | mutex_lock(&dev->struct_mutex); |
bed4a673 | 3318 | intel_update_fbc(dev); |
d1ebd816 BW |
3319 | mutex_unlock(&dev->struct_mutex); |
3320 | ||
6b383a7f | 3321 | intel_crtc_update_cursor(crtc, true); |
ef9c3aee | 3322 | |
fa5c73b1 DV |
3323 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3324 | encoder->enable(encoder); | |
61b77ddd DV |
3325 | |
3326 | if (HAS_PCH_CPT(dev)) | |
3327 | intel_cpt_verify_modeset(dev, intel_crtc->pipe); | |
6ce94100 DV |
3328 | |
3329 | /* | |
3330 | * There seems to be a race in PCH platform hw (at least on some | |
3331 | * outputs) where an enabled pipe still completes any pageflip right | |
3332 | * away (as if the pipe is off) instead of waiting for vblank. As soon | |
3333 | * as the first vblank happend, everything works as expected. Hence just | |
3334 | * wait for one vblank before returning to avoid strange things | |
3335 | * happening. | |
3336 | */ | |
3337 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
6be4a607 JB |
3338 | } |
3339 | ||
4f771f10 PZ |
3340 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
3341 | { | |
3342 | struct drm_device *dev = crtc->dev; | |
3343 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3344 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3345 | struct intel_encoder *encoder; | |
3346 | int pipe = intel_crtc->pipe; | |
3347 | int plane = intel_crtc->plane; | |
4f771f10 PZ |
3348 | |
3349 | WARN_ON(!crtc->enabled); | |
3350 | ||
3351 | if (intel_crtc->active) | |
3352 | return; | |
3353 | ||
3354 | intel_crtc->active = true; | |
8664281b PZ |
3355 | |
3356 | intel_set_cpu_fifo_underrun_reporting(dev, pipe, true); | |
3357 | if (intel_crtc->config.has_pch_encoder) | |
3358 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true); | |
3359 | ||
4f771f10 PZ |
3360 | intel_update_watermarks(dev); |
3361 | ||
5bfe2ac0 | 3362 | if (intel_crtc->config.has_pch_encoder) |
04945641 | 3363 | dev_priv->display.fdi_link_train(crtc); |
4f771f10 PZ |
3364 | |
3365 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3366 | if (encoder->pre_enable) | |
3367 | encoder->pre_enable(encoder); | |
3368 | ||
1f544388 | 3369 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 3370 | |
1f544388 | 3371 | /* Enable panel fitting for eDP */ |
b074cec8 | 3372 | ironlake_pfit_enable(intel_crtc); |
4f771f10 PZ |
3373 | |
3374 | /* | |
3375 | * On ILK+ LUT must be loaded before the pipe is running but with | |
3376 | * clocks enabled | |
3377 | */ | |
3378 | intel_crtc_load_lut(crtc); | |
3379 | ||
1f544388 | 3380 | intel_ddi_set_pipe_settings(crtc); |
8228c251 | 3381 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 3382 | |
5bfe2ac0 DV |
3383 | intel_enable_pipe(dev_priv, pipe, |
3384 | intel_crtc->config.has_pch_encoder); | |
4f771f10 PZ |
3385 | intel_enable_plane(dev_priv, plane, pipe); |
3386 | ||
5bfe2ac0 | 3387 | if (intel_crtc->config.has_pch_encoder) |
1507e5bd | 3388 | lpt_pch_enable(crtc); |
4f771f10 PZ |
3389 | |
3390 | mutex_lock(&dev->struct_mutex); | |
3391 | intel_update_fbc(dev); | |
3392 | mutex_unlock(&dev->struct_mutex); | |
3393 | ||
3394 | intel_crtc_update_cursor(crtc, true); | |
3395 | ||
3396 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3397 | encoder->enable(encoder); | |
3398 | ||
4f771f10 PZ |
3399 | /* |
3400 | * There seems to be a race in PCH platform hw (at least on some | |
3401 | * outputs) where an enabled pipe still completes any pageflip right | |
3402 | * away (as if the pipe is off) instead of waiting for vblank. As soon | |
3403 | * as the first vblank happend, everything works as expected. Hence just | |
3404 | * wait for one vblank before returning to avoid strange things | |
3405 | * happening. | |
3406 | */ | |
3407 | intel_wait_for_vblank(dev, intel_crtc->pipe); | |
3408 | } | |
3409 | ||
6be4a607 JB |
3410 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
3411 | { | |
3412 | struct drm_device *dev = crtc->dev; | |
3413 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3414 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 3415 | struct intel_encoder *encoder; |
6be4a607 JB |
3416 | int pipe = intel_crtc->pipe; |
3417 | int plane = intel_crtc->plane; | |
5eddb70b | 3418 | u32 reg, temp; |
b52eb4dc | 3419 | |
ef9c3aee | 3420 | |
f7abfe8b CW |
3421 | if (!intel_crtc->active) |
3422 | return; | |
3423 | ||
ea9d758d DV |
3424 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3425 | encoder->disable(encoder); | |
3426 | ||
e6c3a2a6 | 3427 | intel_crtc_wait_for_pending_flips(crtc); |
6be4a607 | 3428 | drm_vblank_off(dev, pipe); |
6b383a7f | 3429 | intel_crtc_update_cursor(crtc, false); |
5eddb70b | 3430 | |
b24e7179 | 3431 | intel_disable_plane(dev_priv, plane, pipe); |
913d8d11 | 3432 | |
973d04f9 CW |
3433 | if (dev_priv->cfb_plane == plane) |
3434 | intel_disable_fbc(dev); | |
2c07245f | 3435 | |
8664281b | 3436 | intel_set_pch_fifo_underrun_reporting(dev, pipe, false); |
b24e7179 | 3437 | intel_disable_pipe(dev_priv, pipe); |
32f9d658 | 3438 | |
6be4a607 | 3439 | /* Disable PF */ |
9db4a9c7 JB |
3440 | I915_WRITE(PF_CTL(pipe), 0); |
3441 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
2c07245f | 3442 | |
bf49ec8c DV |
3443 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3444 | if (encoder->post_disable) | |
3445 | encoder->post_disable(encoder); | |
2c07245f | 3446 | |
0fc932b8 | 3447 | ironlake_fdi_disable(crtc); |
249c0e64 | 3448 | |
b8a4f404 | 3449 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
8664281b | 3450 | intel_set_pch_fifo_underrun_reporting(dev, pipe, true); |
913d8d11 | 3451 | |
6be4a607 JB |
3452 | if (HAS_PCH_CPT(dev)) { |
3453 | /* disable TRANS_DP_CTL */ | |
5eddb70b CW |
3454 | reg = TRANS_DP_CTL(pipe); |
3455 | temp = I915_READ(reg); | |
3456 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK); | |
cb3543c6 | 3457 | temp |= TRANS_DP_PORT_SEL_NONE; |
5eddb70b | 3458 | I915_WRITE(reg, temp); |
6be4a607 JB |
3459 | |
3460 | /* disable DPLL_SEL */ | |
3461 | temp = I915_READ(PCH_DPLL_SEL); | |
9db4a9c7 JB |
3462 | switch (pipe) { |
3463 | case 0: | |
d64311ab | 3464 | temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL); |
9db4a9c7 JB |
3465 | break; |
3466 | case 1: | |
6be4a607 | 3467 | temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL); |
9db4a9c7 JB |
3468 | break; |
3469 | case 2: | |
4b645f14 | 3470 | /* C shares PLL A or B */ |
d64311ab | 3471 | temp &= ~(TRANSC_DPLL_ENABLE | TRANSC_DPLLB_SEL); |
9db4a9c7 JB |
3472 | break; |
3473 | default: | |
3474 | BUG(); /* wtf */ | |
3475 | } | |
6be4a607 | 3476 | I915_WRITE(PCH_DPLL_SEL, temp); |
6be4a607 | 3477 | } |
e3421a18 | 3478 | |
6be4a607 | 3479 | /* disable PCH DPLL */ |
ee7b9f93 | 3480 | intel_disable_pch_pll(intel_crtc); |
8db9d77b | 3481 | |
88cefb6c | 3482 | ironlake_fdi_pll_disable(intel_crtc); |
6b383a7f | 3483 | |
f7abfe8b | 3484 | intel_crtc->active = false; |
6b383a7f | 3485 | intel_update_watermarks(dev); |
d1ebd816 BW |
3486 | |
3487 | mutex_lock(&dev->struct_mutex); | |
6b383a7f | 3488 | intel_update_fbc(dev); |
d1ebd816 | 3489 | mutex_unlock(&dev->struct_mutex); |
6be4a607 | 3490 | } |
1b3c7a47 | 3491 | |
4f771f10 | 3492 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 3493 | { |
4f771f10 PZ |
3494 | struct drm_device *dev = crtc->dev; |
3495 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 3496 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 PZ |
3497 | struct intel_encoder *encoder; |
3498 | int pipe = intel_crtc->pipe; | |
3499 | int plane = intel_crtc->plane; | |
3b117c8f | 3500 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
ee7b9f93 | 3501 | |
4f771f10 PZ |
3502 | if (!intel_crtc->active) |
3503 | return; | |
3504 | ||
3505 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3506 | encoder->disable(encoder); | |
3507 | ||
3508 | intel_crtc_wait_for_pending_flips(crtc); | |
3509 | drm_vblank_off(dev, pipe); | |
3510 | intel_crtc_update_cursor(crtc, false); | |
3511 | ||
3512 | intel_disable_plane(dev_priv, plane, pipe); | |
3513 | ||
3514 | if (dev_priv->cfb_plane == plane) | |
3515 | intel_disable_fbc(dev); | |
3516 | ||
8664281b PZ |
3517 | if (intel_crtc->config.has_pch_encoder) |
3518 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, false); | |
4f771f10 PZ |
3519 | intel_disable_pipe(dev_priv, pipe); |
3520 | ||
ad80a810 | 3521 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 3522 | |
f7708f78 PZ |
3523 | /* XXX: Once we have proper panel fitter state tracking implemented with |
3524 | * hardware state read/check support we should switch to only disable | |
3525 | * the panel fitter when we know it's used. */ | |
3526 | if (intel_using_power_well(dev)) { | |
3527 | I915_WRITE(PF_CTL(pipe), 0); | |
3528 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
3529 | } | |
4f771f10 | 3530 | |
1f544388 | 3531 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 PZ |
3532 | |
3533 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3534 | if (encoder->post_disable) | |
3535 | encoder->post_disable(encoder); | |
3536 | ||
88adfff1 | 3537 | if (intel_crtc->config.has_pch_encoder) { |
ab4d966c | 3538 | lpt_disable_pch_transcoder(dev_priv); |
8664281b | 3539 | intel_set_pch_fifo_underrun_reporting(dev, TRANSCODER_A, true); |
1ad960f2 | 3540 | intel_ddi_fdi_disable(crtc); |
83616634 | 3541 | } |
4f771f10 PZ |
3542 | |
3543 | intel_crtc->active = false; | |
3544 | intel_update_watermarks(dev); | |
3545 | ||
3546 | mutex_lock(&dev->struct_mutex); | |
3547 | intel_update_fbc(dev); | |
3548 | mutex_unlock(&dev->struct_mutex); | |
3549 | } | |
3550 | ||
ee7b9f93 JB |
3551 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
3552 | { | |
3553 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3554 | intel_put_pch_pll(intel_crtc); | |
3555 | } | |
3556 | ||
6441ab5f PZ |
3557 | static void haswell_crtc_off(struct drm_crtc *crtc) |
3558 | { | |
a5c961d1 PZ |
3559 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3560 | ||
3561 | /* Stop saying we're using TRANSCODER_EDP because some other CRTC might | |
3562 | * start using it. */ | |
3b117c8f | 3563 | intel_crtc->config.cpu_transcoder = (enum transcoder) intel_crtc->pipe; |
a5c961d1 | 3564 | |
6441ab5f PZ |
3565 | intel_ddi_put_crtc_pll(crtc); |
3566 | } | |
3567 | ||
02e792fb DV |
3568 | static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) |
3569 | { | |
02e792fb | 3570 | if (!enable && intel_crtc->overlay) { |
23f09ce3 | 3571 | struct drm_device *dev = intel_crtc->base.dev; |
ce453d81 | 3572 | struct drm_i915_private *dev_priv = dev->dev_private; |
03f77ea5 | 3573 | |
23f09ce3 | 3574 | mutex_lock(&dev->struct_mutex); |
ce453d81 CW |
3575 | dev_priv->mm.interruptible = false; |
3576 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
3577 | dev_priv->mm.interruptible = true; | |
23f09ce3 | 3578 | mutex_unlock(&dev->struct_mutex); |
02e792fb | 3579 | } |
02e792fb | 3580 | |
5dcdbcb0 CW |
3581 | /* Let userspace switch the overlay on again. In most cases userspace |
3582 | * has to recompute where to put it anyway. | |
3583 | */ | |
02e792fb DV |
3584 | } |
3585 | ||
61bc95c1 EE |
3586 | /** |
3587 | * i9xx_fixup_plane - ugly workaround for G45 to fire up the hardware | |
3588 | * cursor plane briefly if not already running after enabling the display | |
3589 | * plane. | |
3590 | * This workaround avoids occasional blank screens when self refresh is | |
3591 | * enabled. | |
3592 | */ | |
3593 | static void | |
3594 | g4x_fixup_plane(struct drm_i915_private *dev_priv, enum pipe pipe) | |
3595 | { | |
3596 | u32 cntl = I915_READ(CURCNTR(pipe)); | |
3597 | ||
3598 | if ((cntl & CURSOR_MODE) == 0) { | |
3599 | u32 fw_bcl_self = I915_READ(FW_BLC_SELF); | |
3600 | ||
3601 | I915_WRITE(FW_BLC_SELF, fw_bcl_self & ~FW_BLC_SELF_EN); | |
3602 | I915_WRITE(CURCNTR(pipe), CURSOR_MODE_64_ARGB_AX); | |
3603 | intel_wait_for_vblank(dev_priv->dev, pipe); | |
3604 | I915_WRITE(CURCNTR(pipe), cntl); | |
3605 | I915_WRITE(CURBASE(pipe), I915_READ(CURBASE(pipe))); | |
3606 | I915_WRITE(FW_BLC_SELF, fw_bcl_self); | |
3607 | } | |
3608 | } | |
3609 | ||
2dd24552 JB |
3610 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
3611 | { | |
3612 | struct drm_device *dev = crtc->base.dev; | |
3613 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3614 | struct intel_crtc_config *pipe_config = &crtc->config; | |
3615 | ||
3616 | if (!(intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) || | |
3617 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS))) | |
3618 | return; | |
3619 | ||
3620 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); | |
3621 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
3622 | ||
3623 | /* | |
3624 | * Enable automatic panel scaling so that non-native modes | |
3625 | * fill the screen. The panel fitter should only be | |
3626 | * adjusted whilst the pipe is disabled, according to | |
3627 | * register description and PRM. | |
3628 | */ | |
3629 | DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n", | |
b074cec8 JB |
3630 | pipe_config->gmch_pfit.control, |
3631 | pipe_config->gmch_pfit.pgm_ratios); | |
2dd24552 | 3632 | |
b074cec8 JB |
3633 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
3634 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
2dd24552 JB |
3635 | } |
3636 | ||
89b667f8 JB |
3637 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
3638 | { | |
3639 | struct drm_device *dev = crtc->dev; | |
3640 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3641 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3642 | struct intel_encoder *encoder; | |
3643 | int pipe = intel_crtc->pipe; | |
3644 | int plane = intel_crtc->plane; | |
3645 | ||
3646 | WARN_ON(!crtc->enabled); | |
3647 | ||
3648 | if (intel_crtc->active) | |
3649 | return; | |
3650 | ||
3651 | intel_crtc->active = true; | |
3652 | intel_update_watermarks(dev); | |
3653 | ||
3654 | mutex_lock(&dev_priv->dpio_lock); | |
3655 | ||
3656 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3657 | if (encoder->pre_pll_enable) | |
3658 | encoder->pre_pll_enable(encoder); | |
3659 | ||
3660 | intel_enable_pll(dev_priv, pipe); | |
3661 | ||
3662 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3663 | if (encoder->pre_enable) | |
3664 | encoder->pre_enable(encoder); | |
3665 | ||
3666 | /* VLV wants encoder enabling _before_ the pipe is up. */ | |
3667 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3668 | encoder->enable(encoder); | |
3669 | ||
2dd24552 JB |
3670 | /* Enable panel fitting for eDP */ |
3671 | i9xx_pfit_enable(intel_crtc); | |
3672 | ||
89b667f8 JB |
3673 | intel_enable_pipe(dev_priv, pipe, false); |
3674 | intel_enable_plane(dev_priv, plane, pipe); | |
3675 | ||
3676 | intel_crtc_load_lut(crtc); | |
3677 | intel_update_fbc(dev); | |
3678 | ||
3679 | /* Give the overlay scaler a chance to enable if it's on this pipe */ | |
3680 | intel_crtc_dpms_overlay(intel_crtc, true); | |
3681 | intel_crtc_update_cursor(crtc, true); | |
3682 | ||
3683 | mutex_unlock(&dev_priv->dpio_lock); | |
3684 | } | |
3685 | ||
0b8765c6 | 3686 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
3687 | { |
3688 | struct drm_device *dev = crtc->dev; | |
79e53945 JB |
3689 | struct drm_i915_private *dev_priv = dev->dev_private; |
3690 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 3691 | struct intel_encoder *encoder; |
79e53945 | 3692 | int pipe = intel_crtc->pipe; |
80824003 | 3693 | int plane = intel_crtc->plane; |
79e53945 | 3694 | |
08a48469 DV |
3695 | WARN_ON(!crtc->enabled); |
3696 | ||
f7abfe8b CW |
3697 | if (intel_crtc->active) |
3698 | return; | |
3699 | ||
3700 | intel_crtc->active = true; | |
6b383a7f CW |
3701 | intel_update_watermarks(dev); |
3702 | ||
63d7bbe9 | 3703 | intel_enable_pll(dev_priv, pipe); |
9d6d9f19 MK |
3704 | |
3705 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
3706 | if (encoder->pre_enable) | |
3707 | encoder->pre_enable(encoder); | |
3708 | ||
2dd24552 JB |
3709 | /* Enable panel fitting for LVDS */ |
3710 | i9xx_pfit_enable(intel_crtc); | |
3711 | ||
040484af | 3712 | intel_enable_pipe(dev_priv, pipe, false); |
b24e7179 | 3713 | intel_enable_plane(dev_priv, plane, pipe); |
61bc95c1 EE |
3714 | if (IS_G4X(dev)) |
3715 | g4x_fixup_plane(dev_priv, pipe); | |
79e53945 | 3716 | |
0b8765c6 | 3717 | intel_crtc_load_lut(crtc); |
bed4a673 | 3718 | intel_update_fbc(dev); |
79e53945 | 3719 | |
0b8765c6 JB |
3720 | /* Give the overlay scaler a chance to enable if it's on this pipe */ |
3721 | intel_crtc_dpms_overlay(intel_crtc, true); | |
6b383a7f | 3722 | intel_crtc_update_cursor(crtc, true); |
ef9c3aee | 3723 | |
fa5c73b1 DV |
3724 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3725 | encoder->enable(encoder); | |
0b8765c6 | 3726 | } |
79e53945 | 3727 | |
87476d63 DV |
3728 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
3729 | { | |
3730 | struct drm_device *dev = crtc->base.dev; | |
3731 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3732 | enum pipe pipe; | |
3733 | uint32_t pctl = I915_READ(PFIT_CONTROL); | |
3734 | ||
3735 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
3736 | ||
3737 | if (INTEL_INFO(dev)->gen >= 4) | |
3738 | pipe = (pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT; | |
3739 | else | |
3740 | pipe = PIPE_B; | |
3741 | ||
3742 | if (pipe == crtc->pipe) { | |
3743 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", pctl); | |
3744 | I915_WRITE(PFIT_CONTROL, 0); | |
3745 | } | |
3746 | } | |
3747 | ||
0b8765c6 JB |
3748 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
3749 | { | |
3750 | struct drm_device *dev = crtc->dev; | |
3751 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3752 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 3753 | struct intel_encoder *encoder; |
0b8765c6 JB |
3754 | int pipe = intel_crtc->pipe; |
3755 | int plane = intel_crtc->plane; | |
ef9c3aee | 3756 | |
f7abfe8b CW |
3757 | if (!intel_crtc->active) |
3758 | return; | |
3759 | ||
ea9d758d DV |
3760 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3761 | encoder->disable(encoder); | |
3762 | ||
0b8765c6 | 3763 | /* Give the overlay scaler a chance to disable if it's on this pipe */ |
e6c3a2a6 CW |
3764 | intel_crtc_wait_for_pending_flips(crtc); |
3765 | drm_vblank_off(dev, pipe); | |
0b8765c6 | 3766 | intel_crtc_dpms_overlay(intel_crtc, false); |
6b383a7f | 3767 | intel_crtc_update_cursor(crtc, false); |
0b8765c6 | 3768 | |
973d04f9 CW |
3769 | if (dev_priv->cfb_plane == plane) |
3770 | intel_disable_fbc(dev); | |
79e53945 | 3771 | |
b24e7179 | 3772 | intel_disable_plane(dev_priv, plane, pipe); |
b24e7179 | 3773 | intel_disable_pipe(dev_priv, pipe); |
24a1f16d | 3774 | |
87476d63 | 3775 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 3776 | |
89b667f8 JB |
3777 | for_each_encoder_on_crtc(dev, crtc, encoder) |
3778 | if (encoder->post_disable) | |
3779 | encoder->post_disable(encoder); | |
3780 | ||
63d7bbe9 | 3781 | intel_disable_pll(dev_priv, pipe); |
0b8765c6 | 3782 | |
f7abfe8b | 3783 | intel_crtc->active = false; |
6b383a7f CW |
3784 | intel_update_fbc(dev); |
3785 | intel_update_watermarks(dev); | |
0b8765c6 JB |
3786 | } |
3787 | ||
ee7b9f93 JB |
3788 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
3789 | { | |
3790 | } | |
3791 | ||
976f8a20 DV |
3792 | static void intel_crtc_update_sarea(struct drm_crtc *crtc, |
3793 | bool enabled) | |
2c07245f ZW |
3794 | { |
3795 | struct drm_device *dev = crtc->dev; | |
3796 | struct drm_i915_master_private *master_priv; | |
3797 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3798 | int pipe = intel_crtc->pipe; | |
79e53945 JB |
3799 | |
3800 | if (!dev->primary->master) | |
3801 | return; | |
3802 | ||
3803 | master_priv = dev->primary->master->driver_priv; | |
3804 | if (!master_priv->sarea_priv) | |
3805 | return; | |
3806 | ||
79e53945 JB |
3807 | switch (pipe) { |
3808 | case 0: | |
3809 | master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0; | |
3810 | master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0; | |
3811 | break; | |
3812 | case 1: | |
3813 | master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0; | |
3814 | master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0; | |
3815 | break; | |
3816 | default: | |
9db4a9c7 | 3817 | DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe)); |
79e53945 JB |
3818 | break; |
3819 | } | |
79e53945 JB |
3820 | } |
3821 | ||
976f8a20 DV |
3822 | /** |
3823 | * Sets the power management mode of the pipe and plane. | |
3824 | */ | |
3825 | void intel_crtc_update_dpms(struct drm_crtc *crtc) | |
3826 | { | |
3827 | struct drm_device *dev = crtc->dev; | |
3828 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3829 | struct intel_encoder *intel_encoder; | |
3830 | bool enable = false; | |
3831 | ||
3832 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) | |
3833 | enable |= intel_encoder->connectors_active; | |
3834 | ||
3835 | if (enable) | |
3836 | dev_priv->display.crtc_enable(crtc); | |
3837 | else | |
3838 | dev_priv->display.crtc_disable(crtc); | |
3839 | ||
3840 | intel_crtc_update_sarea(crtc, enable); | |
3841 | } | |
3842 | ||
cdd59983 CW |
3843 | static void intel_crtc_disable(struct drm_crtc *crtc) |
3844 | { | |
cdd59983 | 3845 | struct drm_device *dev = crtc->dev; |
976f8a20 | 3846 | struct drm_connector *connector; |
ee7b9f93 | 3847 | struct drm_i915_private *dev_priv = dev->dev_private; |
7b9f35a6 | 3848 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cdd59983 | 3849 | |
976f8a20 DV |
3850 | /* crtc should still be enabled when we disable it. */ |
3851 | WARN_ON(!crtc->enabled); | |
3852 | ||
7b9f35a6 | 3853 | intel_crtc->eld_vld = false; |
976f8a20 DV |
3854 | dev_priv->display.crtc_disable(crtc); |
3855 | intel_crtc_update_sarea(crtc, false); | |
ee7b9f93 JB |
3856 | dev_priv->display.off(crtc); |
3857 | ||
931872fc CW |
3858 | assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane); |
3859 | assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe); | |
cdd59983 CW |
3860 | |
3861 | if (crtc->fb) { | |
3862 | mutex_lock(&dev->struct_mutex); | |
1690e1eb | 3863 | intel_unpin_fb_obj(to_intel_framebuffer(crtc->fb)->obj); |
cdd59983 | 3864 | mutex_unlock(&dev->struct_mutex); |
976f8a20 DV |
3865 | crtc->fb = NULL; |
3866 | } | |
3867 | ||
3868 | /* Update computed state. */ | |
3869 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
3870 | if (!connector->encoder || !connector->encoder->crtc) | |
3871 | continue; | |
3872 | ||
3873 | if (connector->encoder->crtc != crtc) | |
3874 | continue; | |
3875 | ||
3876 | connector->dpms = DRM_MODE_DPMS_OFF; | |
3877 | to_intel_encoder(connector->encoder)->connectors_active = false; | |
cdd59983 CW |
3878 | } |
3879 | } | |
3880 | ||
a261b246 | 3881 | void intel_modeset_disable(struct drm_device *dev) |
79e53945 | 3882 | { |
a261b246 DV |
3883 | struct drm_crtc *crtc; |
3884 | ||
3885 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
3886 | if (crtc->enabled) | |
3887 | intel_crtc_disable(crtc); | |
3888 | } | |
79e53945 JB |
3889 | } |
3890 | ||
ea5b213a | 3891 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 3892 | { |
4ef69c7a | 3893 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 3894 | |
ea5b213a CW |
3895 | drm_encoder_cleanup(encoder); |
3896 | kfree(intel_encoder); | |
7e7d76c3 JB |
3897 | } |
3898 | ||
5ab432ef DV |
3899 | /* Simple dpms helper for encodres with just one connector, no cloning and only |
3900 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the | |
3901 | * state of the entire output pipe. */ | |
3902 | void intel_encoder_dpms(struct intel_encoder *encoder, int mode) | |
7e7d76c3 | 3903 | { |
5ab432ef DV |
3904 | if (mode == DRM_MODE_DPMS_ON) { |
3905 | encoder->connectors_active = true; | |
3906 | ||
b2cabb0e | 3907 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef DV |
3908 | } else { |
3909 | encoder->connectors_active = false; | |
3910 | ||
b2cabb0e | 3911 | intel_crtc_update_dpms(encoder->base.crtc); |
5ab432ef | 3912 | } |
79e53945 JB |
3913 | } |
3914 | ||
0a91ca29 DV |
3915 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
3916 | * internal consistency). */ | |
b980514c | 3917 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 3918 | { |
0a91ca29 DV |
3919 | if (connector->get_hw_state(connector)) { |
3920 | struct intel_encoder *encoder = connector->encoder; | |
3921 | struct drm_crtc *crtc; | |
3922 | bool encoder_enabled; | |
3923 | enum pipe pipe; | |
3924 | ||
3925 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
3926 | connector->base.base.id, | |
3927 | drm_get_connector_name(&connector->base)); | |
3928 | ||
3929 | WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, | |
3930 | "wrong connector dpms state\n"); | |
3931 | WARN(connector->base.encoder != &encoder->base, | |
3932 | "active connector not linked to encoder\n"); | |
3933 | WARN(!encoder->connectors_active, | |
3934 | "encoder->connectors_active not set\n"); | |
3935 | ||
3936 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); | |
3937 | WARN(!encoder_enabled, "encoder not enabled\n"); | |
3938 | if (WARN_ON(!encoder->base.crtc)) | |
3939 | return; | |
3940 | ||
3941 | crtc = encoder->base.crtc; | |
3942 | ||
3943 | WARN(!crtc->enabled, "crtc not enabled\n"); | |
3944 | WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); | |
3945 | WARN(pipe != to_intel_crtc(crtc)->pipe, | |
3946 | "encoder active on the wrong pipe\n"); | |
3947 | } | |
79e53945 JB |
3948 | } |
3949 | ||
5ab432ef DV |
3950 | /* Even simpler default implementation, if there's really no special case to |
3951 | * consider. */ | |
3952 | void intel_connector_dpms(struct drm_connector *connector, int mode) | |
79e53945 | 3953 | { |
5ab432ef | 3954 | struct intel_encoder *encoder = intel_attached_encoder(connector); |
d4270e57 | 3955 | |
5ab432ef DV |
3956 | /* All the simple cases only support two dpms states. */ |
3957 | if (mode != DRM_MODE_DPMS_ON) | |
3958 | mode = DRM_MODE_DPMS_OFF; | |
d4270e57 | 3959 | |
5ab432ef DV |
3960 | if (mode == connector->dpms) |
3961 | return; | |
3962 | ||
3963 | connector->dpms = mode; | |
3964 | ||
3965 | /* Only need to change hw state when actually enabled */ | |
3966 | if (encoder->base.crtc) | |
3967 | intel_encoder_dpms(encoder, mode); | |
3968 | else | |
8af6cf88 | 3969 | WARN_ON(encoder->connectors_active != false); |
0a91ca29 | 3970 | |
b980514c | 3971 | intel_modeset_check_state(connector->dev); |
79e53945 JB |
3972 | } |
3973 | ||
f0947c37 DV |
3974 | /* Simple connector->get_hw_state implementation for encoders that support only |
3975 | * one connector and no cloning and hence the encoder state determines the state | |
3976 | * of the connector. */ | |
3977 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 3978 | { |
24929352 | 3979 | enum pipe pipe = 0; |
f0947c37 | 3980 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 3981 | |
f0947c37 | 3982 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
3983 | } |
3984 | ||
1857e1da DV |
3985 | static bool ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
3986 | struct intel_crtc_config *pipe_config) | |
3987 | { | |
3988 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3989 | struct intel_crtc *pipe_B_crtc = | |
3990 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); | |
3991 | ||
3992 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", | |
3993 | pipe_name(pipe), pipe_config->fdi_lanes); | |
3994 | if (pipe_config->fdi_lanes > 4) { | |
3995 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
3996 | pipe_name(pipe), pipe_config->fdi_lanes); | |
3997 | return false; | |
3998 | } | |
3999 | ||
4000 | if (IS_HASWELL(dev)) { | |
4001 | if (pipe_config->fdi_lanes > 2) { | |
4002 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
4003 | pipe_config->fdi_lanes); | |
4004 | return false; | |
4005 | } else { | |
4006 | return true; | |
4007 | } | |
4008 | } | |
4009 | ||
4010 | if (INTEL_INFO(dev)->num_pipes == 2) | |
4011 | return true; | |
4012 | ||
4013 | /* Ivybridge 3 pipe is really complicated */ | |
4014 | switch (pipe) { | |
4015 | case PIPE_A: | |
4016 | return true; | |
4017 | case PIPE_B: | |
4018 | if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled && | |
4019 | pipe_config->fdi_lanes > 2) { | |
4020 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", | |
4021 | pipe_name(pipe), pipe_config->fdi_lanes); | |
4022 | return false; | |
4023 | } | |
4024 | return true; | |
4025 | case PIPE_C: | |
1e833f40 | 4026 | if (!pipe_has_enabled_pch(pipe_B_crtc) || |
1857e1da DV |
4027 | pipe_B_crtc->config.fdi_lanes <= 2) { |
4028 | if (pipe_config->fdi_lanes > 2) { | |
4029 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", | |
4030 | pipe_name(pipe), pipe_config->fdi_lanes); | |
4031 | return false; | |
4032 | } | |
4033 | } else { | |
4034 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); | |
4035 | return false; | |
4036 | } | |
4037 | return true; | |
4038 | default: | |
4039 | BUG(); | |
4040 | } | |
4041 | } | |
4042 | ||
e29c22c0 DV |
4043 | #define RETRY 1 |
4044 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
4045 | struct intel_crtc_config *pipe_config) | |
877d48d5 | 4046 | { |
1857e1da | 4047 | struct drm_device *dev = intel_crtc->base.dev; |
877d48d5 DV |
4048 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
4049 | int target_clock, lane, link_bw; | |
e29c22c0 | 4050 | bool setup_ok, needs_recompute = false; |
877d48d5 | 4051 | |
e29c22c0 | 4052 | retry: |
877d48d5 DV |
4053 | /* FDI is a binary signal running at ~2.7GHz, encoding |
4054 | * each output octet as 10 bits. The actual frequency | |
4055 | * is stored as a divider into a 100MHz clock, and the | |
4056 | * mode pixel clock is stored in units of 1KHz. | |
4057 | * Hence the bw of each lane in terms of the mode signal | |
4058 | * is: | |
4059 | */ | |
4060 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; | |
4061 | ||
4062 | if (pipe_config->pixel_target_clock) | |
4063 | target_clock = pipe_config->pixel_target_clock; | |
4064 | else | |
4065 | target_clock = adjusted_mode->clock; | |
4066 | ||
4067 | lane = ironlake_get_lanes_required(target_clock, link_bw, | |
4068 | pipe_config->pipe_bpp); | |
4069 | ||
4070 | pipe_config->fdi_lanes = lane; | |
4071 | ||
4072 | if (pipe_config->pixel_multiplier > 1) | |
4073 | link_bw *= pipe_config->pixel_multiplier; | |
4074 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, target_clock, | |
4075 | link_bw, &pipe_config->fdi_m_n); | |
1857e1da | 4076 | |
e29c22c0 DV |
4077 | setup_ok = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
4078 | intel_crtc->pipe, pipe_config); | |
4079 | if (!setup_ok && pipe_config->pipe_bpp > 6*3) { | |
4080 | pipe_config->pipe_bpp -= 2*3; | |
4081 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
4082 | pipe_config->pipe_bpp); | |
4083 | needs_recompute = true; | |
4084 | pipe_config->bw_constrained = true; | |
4085 | ||
4086 | goto retry; | |
4087 | } | |
4088 | ||
4089 | if (needs_recompute) | |
4090 | return RETRY; | |
4091 | ||
4092 | return setup_ok ? 0 : -EINVAL; | |
877d48d5 DV |
4093 | } |
4094 | ||
e29c22c0 DV |
4095 | static int intel_crtc_compute_config(struct drm_crtc *crtc, |
4096 | struct intel_crtc_config *pipe_config) | |
79e53945 | 4097 | { |
2c07245f | 4098 | struct drm_device *dev = crtc->dev; |
b8cecdf5 | 4099 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
89749350 | 4100 | |
bad720ff | 4101 | if (HAS_PCH_SPLIT(dev)) { |
2c07245f | 4102 | /* FDI link clock is fixed at 2.7G */ |
b8cecdf5 DV |
4103 | if (pipe_config->requested_mode.clock * 3 |
4104 | > IRONLAKE_FDI_FREQ * 4) | |
e29c22c0 | 4105 | return -EINVAL; |
2c07245f | 4106 | } |
89749350 | 4107 | |
f9bef081 DV |
4108 | /* All interlaced capable intel hw wants timings in frames. Note though |
4109 | * that intel_lvds_mode_fixup does some funny tricks with the crtc | |
4110 | * timings, so we need to be careful not to clobber these.*/ | |
7ae89233 | 4111 | if (!pipe_config->timings_set) |
f9bef081 | 4112 | drm_mode_set_crtcinfo(adjusted_mode, 0); |
89749350 | 4113 | |
44f46b42 CW |
4114 | /* WaPruneModeWithIncorrectHsyncOffset: Cantiga+ cannot handle modes |
4115 | * with a hsync front porch of 0. | |
4116 | */ | |
4117 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
4118 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) | |
e29c22c0 | 4119 | return -EINVAL; |
44f46b42 | 4120 | |
bd080ee5 | 4121 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev)) && pipe_config->pipe_bpp > 10*3) { |
5d2d38dd | 4122 | pipe_config->pipe_bpp = 10*3; /* 12bpc is gen5+ */ |
bd080ee5 | 4123 | } else if (INTEL_INFO(dev)->gen <= 4 && pipe_config->pipe_bpp > 8*3) { |
5d2d38dd DV |
4124 | /* only a 8bpc pipe, with 6bpc dither through the panel fitter |
4125 | * for lvds. */ | |
4126 | pipe_config->pipe_bpp = 8*3; | |
4127 | } | |
4128 | ||
877d48d5 | 4129 | if (pipe_config->has_pch_encoder) |
1857e1da | 4130 | return ironlake_fdi_compute_config(to_intel_crtc(crtc), pipe_config); |
877d48d5 | 4131 | |
e29c22c0 | 4132 | return 0; |
79e53945 JB |
4133 | } |
4134 | ||
25eb05fc JB |
4135 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
4136 | { | |
4137 | return 400000; /* FIXME */ | |
4138 | } | |
4139 | ||
e70236a8 JB |
4140 | static int i945_get_display_clock_speed(struct drm_device *dev) |
4141 | { | |
4142 | return 400000; | |
4143 | } | |
79e53945 | 4144 | |
e70236a8 | 4145 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 4146 | { |
e70236a8 JB |
4147 | return 333000; |
4148 | } | |
79e53945 | 4149 | |
e70236a8 JB |
4150 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
4151 | { | |
4152 | return 200000; | |
4153 | } | |
79e53945 | 4154 | |
e70236a8 JB |
4155 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
4156 | { | |
4157 | u16 gcfgc = 0; | |
79e53945 | 4158 | |
e70236a8 JB |
4159 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
4160 | ||
4161 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
4162 | return 133000; | |
4163 | else { | |
4164 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
4165 | case GC_DISPLAY_CLOCK_333_MHZ: | |
4166 | return 333000; | |
4167 | default: | |
4168 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
4169 | return 190000; | |
79e53945 | 4170 | } |
e70236a8 JB |
4171 | } |
4172 | } | |
4173 | ||
4174 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
4175 | { | |
4176 | return 266000; | |
4177 | } | |
4178 | ||
4179 | static int i855_get_display_clock_speed(struct drm_device *dev) | |
4180 | { | |
4181 | u16 hpllcc = 0; | |
4182 | /* Assume that the hardware is in the high speed state. This | |
4183 | * should be the default. | |
4184 | */ | |
4185 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
4186 | case GC_CLOCK_133_200: | |
4187 | case GC_CLOCK_100_200: | |
4188 | return 200000; | |
4189 | case GC_CLOCK_166_250: | |
4190 | return 250000; | |
4191 | case GC_CLOCK_100_133: | |
79e53945 | 4192 | return 133000; |
e70236a8 | 4193 | } |
79e53945 | 4194 | |
e70236a8 JB |
4195 | /* Shouldn't happen */ |
4196 | return 0; | |
4197 | } | |
79e53945 | 4198 | |
e70236a8 JB |
4199 | static int i830_get_display_clock_speed(struct drm_device *dev) |
4200 | { | |
4201 | return 133000; | |
79e53945 JB |
4202 | } |
4203 | ||
2c07245f | 4204 | static void |
e69d0bc1 | 4205 | intel_reduce_ratio(uint32_t *num, uint32_t *den) |
2c07245f ZW |
4206 | { |
4207 | while (*num > 0xffffff || *den > 0xffffff) { | |
4208 | *num >>= 1; | |
4209 | *den >>= 1; | |
4210 | } | |
4211 | } | |
4212 | ||
e69d0bc1 DV |
4213 | void |
4214 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
4215 | int pixel_clock, int link_clock, | |
4216 | struct intel_link_m_n *m_n) | |
2c07245f | 4217 | { |
e69d0bc1 | 4218 | m_n->tu = 64; |
22ed1113 CW |
4219 | m_n->gmch_m = bits_per_pixel * pixel_clock; |
4220 | m_n->gmch_n = link_clock * nlanes * 8; | |
e69d0bc1 | 4221 | intel_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n); |
22ed1113 CW |
4222 | m_n->link_m = pixel_clock; |
4223 | m_n->link_n = link_clock; | |
e69d0bc1 | 4224 | intel_reduce_ratio(&m_n->link_m, &m_n->link_n); |
2c07245f ZW |
4225 | } |
4226 | ||
a7615030 CW |
4227 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
4228 | { | |
72bbe58c KP |
4229 | if (i915_panel_use_ssc >= 0) |
4230 | return i915_panel_use_ssc != 0; | |
4231 | return dev_priv->lvds_use_ssc | |
435793df | 4232 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
4233 | } |
4234 | ||
a0c4da24 JB |
4235 | static int vlv_get_refclk(struct drm_crtc *crtc) |
4236 | { | |
4237 | struct drm_device *dev = crtc->dev; | |
4238 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4239 | int refclk = 27000; /* for DP & HDMI */ | |
4240 | ||
4241 | return 100000; /* only one validated so far */ | |
4242 | ||
4243 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { | |
4244 | refclk = 96000; | |
4245 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { | |
4246 | if (intel_panel_use_ssc(dev_priv)) | |
4247 | refclk = 100000; | |
4248 | else | |
4249 | refclk = 96000; | |
4250 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) { | |
4251 | refclk = 100000; | |
4252 | } | |
4253 | ||
4254 | return refclk; | |
4255 | } | |
4256 | ||
c65d77d8 JB |
4257 | static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors) |
4258 | { | |
4259 | struct drm_device *dev = crtc->dev; | |
4260 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4261 | int refclk; | |
4262 | ||
a0c4da24 JB |
4263 | if (IS_VALLEYVIEW(dev)) { |
4264 | refclk = vlv_get_refclk(crtc); | |
4265 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && | |
c65d77d8 JB |
4266 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
4267 | refclk = dev_priv->lvds_ssc_freq * 1000; | |
4268 | DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n", | |
4269 | refclk / 1000); | |
4270 | } else if (!IS_GEN2(dev)) { | |
4271 | refclk = 96000; | |
4272 | } else { | |
4273 | refclk = 48000; | |
4274 | } | |
4275 | ||
4276 | return refclk; | |
4277 | } | |
4278 | ||
f47709a9 | 4279 | static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc *crtc) |
c65d77d8 | 4280 | { |
f47709a9 DV |
4281 | unsigned dotclock = crtc->config.adjusted_mode.clock; |
4282 | struct dpll *clock = &crtc->config.dpll; | |
4283 | ||
c65d77d8 JB |
4284 | /* SDVO TV has fixed PLL values depend on its clock range, |
4285 | this mirrors vbios setting. */ | |
f47709a9 | 4286 | if (dotclock >= 100000 && dotclock < 140500) { |
c65d77d8 JB |
4287 | clock->p1 = 2; |
4288 | clock->p2 = 10; | |
4289 | clock->n = 3; | |
4290 | clock->m1 = 16; | |
4291 | clock->m2 = 8; | |
f47709a9 | 4292 | } else if (dotclock >= 140500 && dotclock <= 200000) { |
c65d77d8 JB |
4293 | clock->p1 = 1; |
4294 | clock->p2 = 10; | |
4295 | clock->n = 6; | |
4296 | clock->m1 = 12; | |
4297 | clock->m2 = 8; | |
4298 | } | |
f47709a9 DV |
4299 | |
4300 | crtc->config.clock_set = true; | |
c65d77d8 JB |
4301 | } |
4302 | ||
7429e9d4 DV |
4303 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
4304 | { | |
4305 | return (1 << dpll->n) << 16 | dpll->m1 << 8 | dpll->m2; | |
4306 | } | |
4307 | ||
4308 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) | |
4309 | { | |
4310 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
4311 | } | |
4312 | ||
f47709a9 | 4313 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
a7516a05 JB |
4314 | intel_clock_t *reduced_clock) |
4315 | { | |
f47709a9 | 4316 | struct drm_device *dev = crtc->base.dev; |
a7516a05 | 4317 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 4318 | int pipe = crtc->pipe; |
a7516a05 JB |
4319 | u32 fp, fp2 = 0; |
4320 | ||
4321 | if (IS_PINEVIEW(dev)) { | |
7429e9d4 | 4322 | fp = pnv_dpll_compute_fp(&crtc->config.dpll); |
a7516a05 | 4323 | if (reduced_clock) |
7429e9d4 | 4324 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 4325 | } else { |
7429e9d4 | 4326 | fp = i9xx_dpll_compute_fp(&crtc->config.dpll); |
a7516a05 | 4327 | if (reduced_clock) |
7429e9d4 | 4328 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
4329 | } |
4330 | ||
4331 | I915_WRITE(FP0(pipe), fp); | |
4332 | ||
f47709a9 DV |
4333 | crtc->lowfreq_avail = false; |
4334 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && | |
a7516a05 JB |
4335 | reduced_clock && i915_powersave) { |
4336 | I915_WRITE(FP1(pipe), fp2); | |
f47709a9 | 4337 | crtc->lowfreq_avail = true; |
a7516a05 JB |
4338 | } else { |
4339 | I915_WRITE(FP1(pipe), fp); | |
4340 | } | |
4341 | } | |
4342 | ||
89b667f8 JB |
4343 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv) |
4344 | { | |
4345 | u32 reg_val; | |
4346 | ||
4347 | /* | |
4348 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
4349 | * and set it to a reasonable value instead. | |
4350 | */ | |
4351 | reg_val = intel_dpio_read(dev_priv, DPIO_IREF(1)); | |
4352 | reg_val &= 0xffffff00; | |
4353 | reg_val |= 0x00000030; | |
4354 | intel_dpio_write(dev_priv, DPIO_IREF(1), reg_val); | |
4355 | ||
4356 | reg_val = intel_dpio_read(dev_priv, DPIO_CALIBRATION); | |
4357 | reg_val &= 0x8cffffff; | |
4358 | reg_val = 0x8c000000; | |
4359 | intel_dpio_write(dev_priv, DPIO_CALIBRATION, reg_val); | |
4360 | ||
4361 | reg_val = intel_dpio_read(dev_priv, DPIO_IREF(1)); | |
4362 | reg_val &= 0xffffff00; | |
4363 | intel_dpio_write(dev_priv, DPIO_IREF(1), reg_val); | |
4364 | ||
4365 | reg_val = intel_dpio_read(dev_priv, DPIO_CALIBRATION); | |
4366 | reg_val &= 0x00ffffff; | |
4367 | reg_val |= 0xb0000000; | |
4368 | intel_dpio_write(dev_priv, DPIO_CALIBRATION, reg_val); | |
4369 | } | |
4370 | ||
03afc4a2 DV |
4371 | static void intel_dp_set_m_n(struct intel_crtc *crtc) |
4372 | { | |
4373 | if (crtc->config.has_pch_encoder) | |
4374 | intel_pch_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); | |
4375 | else | |
4376 | intel_cpu_transcoder_set_m_n(crtc, &crtc->config.dp_m_n); | |
4377 | } | |
4378 | ||
f47709a9 | 4379 | static void vlv_update_pll(struct intel_crtc *crtc) |
a0c4da24 | 4380 | { |
f47709a9 | 4381 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 4382 | struct drm_i915_private *dev_priv = dev->dev_private; |
89b667f8 JB |
4383 | struct drm_display_mode *adjusted_mode = |
4384 | &crtc->config.adjusted_mode; | |
4385 | struct intel_encoder *encoder; | |
f47709a9 | 4386 | int pipe = crtc->pipe; |
89b667f8 | 4387 | u32 dpll, mdiv; |
a0c4da24 | 4388 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
89b667f8 | 4389 | bool is_hdmi; |
198a037f | 4390 | u32 coreclk, reg_val, dpll_md; |
a0c4da24 | 4391 | |
09153000 DV |
4392 | mutex_lock(&dev_priv->dpio_lock); |
4393 | ||
89b667f8 | 4394 | is_hdmi = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI); |
a0c4da24 | 4395 | |
f47709a9 DV |
4396 | bestn = crtc->config.dpll.n; |
4397 | bestm1 = crtc->config.dpll.m1; | |
4398 | bestm2 = crtc->config.dpll.m2; | |
4399 | bestp1 = crtc->config.dpll.p1; | |
4400 | bestp2 = crtc->config.dpll.p2; | |
a0c4da24 | 4401 | |
89b667f8 JB |
4402 | /* See eDP HDMI DPIO driver vbios notes doc */ |
4403 | ||
4404 | /* PLL B needs special handling */ | |
4405 | if (pipe) | |
4406 | vlv_pllb_recal_opamp(dev_priv); | |
4407 | ||
4408 | /* Set up Tx target for periodic Rcomp update */ | |
4409 | intel_dpio_write(dev_priv, DPIO_IREF_BCAST, 0x0100000f); | |
4410 | ||
4411 | /* Disable target IRef on PLL */ | |
4412 | reg_val = intel_dpio_read(dev_priv, DPIO_IREF_CTL(pipe)); | |
4413 | reg_val &= 0x00ffffff; | |
4414 | intel_dpio_write(dev_priv, DPIO_IREF_CTL(pipe), reg_val); | |
4415 | ||
4416 | /* Disable fast lock */ | |
4417 | intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x610); | |
4418 | ||
4419 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
4420 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
4421 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
4422 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 4423 | mdiv |= (1 << DPIO_K_SHIFT); |
89b667f8 JB |
4424 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI) || |
4425 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) || | |
4426 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) | |
4427 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
a0c4da24 JB |
4428 | intel_dpio_write(dev_priv, DPIO_DIV(pipe), mdiv); |
4429 | ||
89b667f8 JB |
4430 | mdiv |= DPIO_ENABLE_CALIBRATION; |
4431 | intel_dpio_write(dev_priv, DPIO_DIV(pipe), mdiv); | |
a0c4da24 | 4432 | |
89b667f8 JB |
4433 | /* Set HBR and RBR LPF coefficients */ |
4434 | if (adjusted_mode->clock == 162000 || | |
4435 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) | |
4436 | intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), | |
4437 | 0x005f0021); | |
4438 | else | |
4439 | intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), | |
4440 | 0x00d0000f); | |
4441 | ||
4442 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP) || | |
4443 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) { | |
4444 | /* Use SSC source */ | |
4445 | if (!pipe) | |
4446 | intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), | |
4447 | 0x0df40000); | |
4448 | else | |
4449 | intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), | |
4450 | 0x0df70000); | |
4451 | } else { /* HDMI or VGA */ | |
4452 | /* Use bend source */ | |
4453 | if (!pipe) | |
4454 | intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), | |
4455 | 0x0df70000); | |
4456 | else | |
4457 | intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), | |
4458 | 0x0df40000); | |
4459 | } | |
a0c4da24 | 4460 | |
89b667f8 JB |
4461 | coreclk = intel_dpio_read(dev_priv, DPIO_CORE_CLK(pipe)); |
4462 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; | |
4463 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT) || | |
4464 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_EDP)) | |
4465 | coreclk |= 0x01000000; | |
4466 | intel_dpio_write(dev_priv, DPIO_CORE_CLK(pipe), coreclk); | |
a0c4da24 | 4467 | |
89b667f8 | 4468 | intel_dpio_write(dev_priv, DPIO_PLL_CML(pipe), 0x87871000); |
a0c4da24 | 4469 | |
89b667f8 JB |
4470 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
4471 | if (encoder->pre_pll_enable) | |
4472 | encoder->pre_pll_enable(encoder); | |
2a8f64ca | 4473 | |
89b667f8 JB |
4474 | /* Enable DPIO clock input */ |
4475 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | | |
4476 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; | |
4477 | if (pipe) | |
4478 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
2a8f64ca | 4479 | |
89b667f8 | 4480 | dpll |= DPLL_VCO_ENABLE; |
2a8f64ca | 4481 | I915_WRITE(DPLL(pipe), dpll); |
2a8f64ca VP |
4482 | POSTING_READ(DPLL(pipe)); |
4483 | udelay(150); | |
a0c4da24 | 4484 | |
89b667f8 JB |
4485 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
4486 | DRM_ERROR("DPLL %d failed to lock\n", pipe); | |
4487 | ||
198a037f DV |
4488 | dpll_md = 0; |
4489 | if (crtc->config.pixel_multiplier > 1) { | |
4490 | dpll_md = (crtc->config.pixel_multiplier - 1) | |
4491 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
2a8f64ca | 4492 | } |
198a037f DV |
4493 | I915_WRITE(DPLL_MD(pipe), dpll_md); |
4494 | POSTING_READ(DPLL_MD(pipe)); | |
f47709a9 | 4495 | |
89b667f8 JB |
4496 | if (crtc->config.has_dp_encoder) |
4497 | intel_dp_set_m_n(crtc); | |
09153000 DV |
4498 | |
4499 | mutex_unlock(&dev_priv->dpio_lock); | |
a0c4da24 JB |
4500 | } |
4501 | ||
f47709a9 DV |
4502 | static void i9xx_update_pll(struct intel_crtc *crtc, |
4503 | intel_clock_t *reduced_clock, | |
eb1cbe48 DV |
4504 | int num_connectors) |
4505 | { | |
f47709a9 | 4506 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 4507 | struct drm_i915_private *dev_priv = dev->dev_private; |
dafd226c | 4508 | struct intel_encoder *encoder; |
f47709a9 | 4509 | int pipe = crtc->pipe; |
eb1cbe48 DV |
4510 | u32 dpll; |
4511 | bool is_sdvo; | |
f47709a9 | 4512 | struct dpll *clock = &crtc->config.dpll; |
eb1cbe48 | 4513 | |
f47709a9 | 4514 | i9xx_update_pll_dividers(crtc, reduced_clock); |
2a8f64ca | 4515 | |
f47709a9 DV |
4516 | is_sdvo = intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_SDVO) || |
4517 | intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
4518 | |
4519 | dpll = DPLL_VGA_MODE_DIS; | |
4520 | ||
f47709a9 | 4521 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
4522 | dpll |= DPLLB_MODE_LVDS; |
4523 | else | |
4524 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 4525 | |
198a037f DV |
4526 | if ((crtc->config.pixel_multiplier > 1) && |
4527 | (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))) { | |
4528 | dpll |= (crtc->config.pixel_multiplier - 1) | |
4529 | << SDVO_MULTIPLIER_SHIFT_HIRES; | |
eb1cbe48 | 4530 | } |
198a037f DV |
4531 | |
4532 | if (is_sdvo) | |
4533 | dpll |= DPLL_DVO_HIGH_SPEED; | |
4534 | ||
f47709a9 | 4535 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) |
eb1cbe48 DV |
4536 | dpll |= DPLL_DVO_HIGH_SPEED; |
4537 | ||
4538 | /* compute bitmask from p1 value */ | |
4539 | if (IS_PINEVIEW(dev)) | |
4540 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
4541 | else { | |
4542 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
4543 | if (IS_G4X(dev) && reduced_clock) | |
4544 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
4545 | } | |
4546 | switch (clock->p2) { | |
4547 | case 5: | |
4548 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
4549 | break; | |
4550 | case 7: | |
4551 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
4552 | break; | |
4553 | case 10: | |
4554 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
4555 | break; | |
4556 | case 14: | |
4557 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
4558 | break; | |
4559 | } | |
4560 | if (INTEL_INFO(dev)->gen >= 4) | |
4561 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
4562 | ||
f47709a9 | 4563 | if (is_sdvo && intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT)) |
eb1cbe48 | 4564 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
f47709a9 | 4565 | else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT)) |
eb1cbe48 DV |
4566 | /* XXX: just matching BIOS for now */ |
4567 | /* dpll |= PLL_REF_INPUT_TVCLKINBC; */ | |
4568 | dpll |= 3; | |
f47709a9 | 4569 | else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
4570 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
4571 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
4572 | else | |
4573 | dpll |= PLL_REF_INPUT_DREFCLK; | |
4574 | ||
4575 | dpll |= DPLL_VCO_ENABLE; | |
4576 | I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE); | |
4577 | POSTING_READ(DPLL(pipe)); | |
4578 | udelay(150); | |
4579 | ||
f47709a9 | 4580 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
dafd226c DV |
4581 | if (encoder->pre_pll_enable) |
4582 | encoder->pre_pll_enable(encoder); | |
eb1cbe48 | 4583 | |
f47709a9 DV |
4584 | if (crtc->config.has_dp_encoder) |
4585 | intel_dp_set_m_n(crtc); | |
eb1cbe48 DV |
4586 | |
4587 | I915_WRITE(DPLL(pipe), dpll); | |
4588 | ||
4589 | /* Wait for the clocks to stabilize. */ | |
4590 | POSTING_READ(DPLL(pipe)); | |
4591 | udelay(150); | |
4592 | ||
4593 | if (INTEL_INFO(dev)->gen >= 4) { | |
198a037f DV |
4594 | u32 dpll_md = 0; |
4595 | if (crtc->config.pixel_multiplier > 1) { | |
4596 | dpll_md = (crtc->config.pixel_multiplier - 1) | |
4597 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
eb1cbe48 | 4598 | } |
198a037f | 4599 | I915_WRITE(DPLL_MD(pipe), dpll_md); |
eb1cbe48 DV |
4600 | } else { |
4601 | /* The pixel multiplier can only be updated once the | |
4602 | * DPLL is enabled and the clocks are stable. | |
4603 | * | |
4604 | * So write it again. | |
4605 | */ | |
4606 | I915_WRITE(DPLL(pipe), dpll); | |
4607 | } | |
4608 | } | |
4609 | ||
f47709a9 | 4610 | static void i8xx_update_pll(struct intel_crtc *crtc, |
eb1cbe48 | 4611 | struct drm_display_mode *adjusted_mode, |
f47709a9 | 4612 | intel_clock_t *reduced_clock, |
eb1cbe48 DV |
4613 | int num_connectors) |
4614 | { | |
f47709a9 | 4615 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 4616 | struct drm_i915_private *dev_priv = dev->dev_private; |
dafd226c | 4617 | struct intel_encoder *encoder; |
f47709a9 | 4618 | int pipe = crtc->pipe; |
eb1cbe48 | 4619 | u32 dpll; |
f47709a9 | 4620 | struct dpll *clock = &crtc->config.dpll; |
eb1cbe48 | 4621 | |
f47709a9 | 4622 | i9xx_update_pll_dividers(crtc, reduced_clock); |
2a8f64ca | 4623 | |
eb1cbe48 DV |
4624 | dpll = DPLL_VGA_MODE_DIS; |
4625 | ||
f47709a9 | 4626 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
4627 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
4628 | } else { | |
4629 | if (clock->p1 == 2) | |
4630 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
4631 | else | |
4632 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
4633 | if (clock->p2 == 4) | |
4634 | dpll |= PLL_P2_DIVIDE_BY_4; | |
4635 | } | |
4636 | ||
f47709a9 | 4637 | if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
4638 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
4639 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
4640 | else | |
4641 | dpll |= PLL_REF_INPUT_DREFCLK; | |
4642 | ||
4643 | dpll |= DPLL_VCO_ENABLE; | |
4644 | I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE); | |
4645 | POSTING_READ(DPLL(pipe)); | |
4646 | udelay(150); | |
4647 | ||
f47709a9 | 4648 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
dafd226c DV |
4649 | if (encoder->pre_pll_enable) |
4650 | encoder->pre_pll_enable(encoder); | |
eb1cbe48 | 4651 | |
5b5896e4 DV |
4652 | I915_WRITE(DPLL(pipe), dpll); |
4653 | ||
4654 | /* Wait for the clocks to stabilize. */ | |
4655 | POSTING_READ(DPLL(pipe)); | |
4656 | udelay(150); | |
4657 | ||
eb1cbe48 DV |
4658 | /* The pixel multiplier can only be updated once the |
4659 | * DPLL is enabled and the clocks are stable. | |
4660 | * | |
4661 | * So write it again. | |
4662 | */ | |
4663 | I915_WRITE(DPLL(pipe), dpll); | |
4664 | } | |
4665 | ||
b0e77b9c PZ |
4666 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc, |
4667 | struct drm_display_mode *mode, | |
4668 | struct drm_display_mode *adjusted_mode) | |
4669 | { | |
4670 | struct drm_device *dev = intel_crtc->base.dev; | |
4671 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4672 | enum pipe pipe = intel_crtc->pipe; | |
3b117c8f | 4673 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
b0e77b9c PZ |
4674 | uint32_t vsyncshift; |
4675 | ||
4676 | if (!IS_GEN2(dev) && adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { | |
4677 | /* the chip adds 2 halflines automatically */ | |
4678 | adjusted_mode->crtc_vtotal -= 1; | |
4679 | adjusted_mode->crtc_vblank_end -= 1; | |
4680 | vsyncshift = adjusted_mode->crtc_hsync_start | |
4681 | - adjusted_mode->crtc_htotal / 2; | |
4682 | } else { | |
4683 | vsyncshift = 0; | |
4684 | } | |
4685 | ||
4686 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 4687 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 4688 | |
fe2b8f9d | 4689 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
4690 | (adjusted_mode->crtc_hdisplay - 1) | |
4691 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 4692 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
4693 | (adjusted_mode->crtc_hblank_start - 1) | |
4694 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 4695 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
4696 | (adjusted_mode->crtc_hsync_start - 1) | |
4697 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
4698 | ||
fe2b8f9d | 4699 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c PZ |
4700 | (adjusted_mode->crtc_vdisplay - 1) | |
4701 | ((adjusted_mode->crtc_vtotal - 1) << 16)); | |
fe2b8f9d | 4702 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c PZ |
4703 | (adjusted_mode->crtc_vblank_start - 1) | |
4704 | ((adjusted_mode->crtc_vblank_end - 1) << 16)); | |
fe2b8f9d | 4705 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
4706 | (adjusted_mode->crtc_vsync_start - 1) | |
4707 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
4708 | ||
b5e508d4 PZ |
4709 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
4710 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
4711 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
4712 | * bits. */ | |
4713 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
4714 | (pipe == PIPE_B || pipe == PIPE_C)) | |
4715 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
4716 | ||
b0e77b9c PZ |
4717 | /* pipesrc controls the size that is scaled from, which should |
4718 | * always be the user's requested size. | |
4719 | */ | |
4720 | I915_WRITE(PIPESRC(pipe), | |
4721 | ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); | |
4722 | } | |
4723 | ||
84b046f3 DV |
4724 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
4725 | { | |
4726 | struct drm_device *dev = intel_crtc->base.dev; | |
4727 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4728 | uint32_t pipeconf; | |
4729 | ||
4730 | pipeconf = I915_READ(PIPECONF(intel_crtc->pipe)); | |
4731 | ||
4732 | if (intel_crtc->pipe == 0 && INTEL_INFO(dev)->gen < 4) { | |
4733 | /* Enable pixel doubling when the dot clock is > 90% of the (display) | |
4734 | * core speed. | |
4735 | * | |
4736 | * XXX: No double-wide on 915GM pipe B. Is that the only reason for the | |
4737 | * pipe == 0 check? | |
4738 | */ | |
4739 | if (intel_crtc->config.requested_mode.clock > | |
4740 | dev_priv->display.get_display_clock_speed(dev) * 9 / 10) | |
4741 | pipeconf |= PIPECONF_DOUBLE_WIDE; | |
4742 | else | |
4743 | pipeconf &= ~PIPECONF_DOUBLE_WIDE; | |
4744 | } | |
4745 | ||
ff9ce46e DV |
4746 | /* only g4x and later have fancy bpc/dither controls */ |
4747 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { | |
4748 | pipeconf &= ~(PIPECONF_BPC_MASK | | |
4749 | PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); | |
4750 | ||
4751 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ | |
4752 | if (intel_crtc->config.dither && intel_crtc->config.pipe_bpp != 30) | |
4753 | pipeconf |= PIPECONF_DITHER_EN | | |
84b046f3 | 4754 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 4755 | |
ff9ce46e DV |
4756 | switch (intel_crtc->config.pipe_bpp) { |
4757 | case 18: | |
4758 | pipeconf |= PIPECONF_6BPC; | |
4759 | break; | |
4760 | case 24: | |
4761 | pipeconf |= PIPECONF_8BPC; | |
4762 | break; | |
4763 | case 30: | |
4764 | pipeconf |= PIPECONF_10BPC; | |
4765 | break; | |
4766 | default: | |
4767 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
4768 | BUG(); | |
84b046f3 DV |
4769 | } |
4770 | } | |
4771 | ||
4772 | if (HAS_PIPE_CXSR(dev)) { | |
4773 | if (intel_crtc->lowfreq_avail) { | |
4774 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
4775 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
4776 | } else { | |
4777 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
4778 | pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK; | |
4779 | } | |
4780 | } | |
4781 | ||
4782 | pipeconf &= ~PIPECONF_INTERLACE_MASK; | |
4783 | if (!IS_GEN2(dev) && | |
4784 | intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) | |
4785 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; | |
4786 | else | |
4787 | pipeconf |= PIPECONF_PROGRESSIVE; | |
4788 | ||
9c8e09b7 VS |
4789 | if (IS_VALLEYVIEW(dev)) { |
4790 | if (intel_crtc->config.limited_color_range) | |
4791 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; | |
4792 | else | |
4793 | pipeconf &= ~PIPECONF_COLOR_RANGE_SELECT; | |
4794 | } | |
4795 | ||
84b046f3 DV |
4796 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
4797 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
4798 | } | |
4799 | ||
f564048e | 4800 | static int i9xx_crtc_mode_set(struct drm_crtc *crtc, |
f564048e | 4801 | int x, int y, |
94352cf9 | 4802 | struct drm_framebuffer *fb) |
79e53945 JB |
4803 | { |
4804 | struct drm_device *dev = crtc->dev; | |
4805 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4806 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b8cecdf5 DV |
4807 | struct drm_display_mode *adjusted_mode = |
4808 | &intel_crtc->config.adjusted_mode; | |
4809 | struct drm_display_mode *mode = &intel_crtc->config.requested_mode; | |
79e53945 | 4810 | int pipe = intel_crtc->pipe; |
80824003 | 4811 | int plane = intel_crtc->plane; |
c751ce4f | 4812 | int refclk, num_connectors = 0; |
652c393a | 4813 | intel_clock_t clock, reduced_clock; |
84b046f3 | 4814 | u32 dspcntr; |
eb1cbe48 | 4815 | bool ok, has_reduced_clock = false, is_sdvo = false; |
8b47047b | 4816 | bool is_lvds = false, is_tv = false; |
5eddb70b | 4817 | struct intel_encoder *encoder; |
d4906093 | 4818 | const intel_limit_t *limit; |
5c3b82e2 | 4819 | int ret; |
79e53945 | 4820 | |
6c2b7c12 | 4821 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
5eddb70b | 4822 | switch (encoder->type) { |
79e53945 JB |
4823 | case INTEL_OUTPUT_LVDS: |
4824 | is_lvds = true; | |
4825 | break; | |
4826 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 4827 | case INTEL_OUTPUT_HDMI: |
79e53945 | 4828 | is_sdvo = true; |
5eddb70b | 4829 | if (encoder->needs_tv_clock) |
e2f0ba97 | 4830 | is_tv = true; |
79e53945 | 4831 | break; |
79e53945 JB |
4832 | case INTEL_OUTPUT_TVOUT: |
4833 | is_tv = true; | |
4834 | break; | |
79e53945 | 4835 | } |
43565a06 | 4836 | |
c751ce4f | 4837 | num_connectors++; |
79e53945 JB |
4838 | } |
4839 | ||
c65d77d8 | 4840 | refclk = i9xx_get_refclk(crtc, num_connectors); |
79e53945 | 4841 | |
d4906093 ML |
4842 | /* |
4843 | * Returns a set of divisors for the desired target clock with the given | |
4844 | * refclk, or FALSE. The returned values represent the clock equation: | |
4845 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
4846 | */ | |
1b894b59 | 4847 | limit = intel_limit(crtc, refclk); |
cec2f356 SP |
4848 | ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL, |
4849 | &clock); | |
79e53945 JB |
4850 | if (!ok) { |
4851 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
5c3b82e2 | 4852 | return -EINVAL; |
79e53945 JB |
4853 | } |
4854 | ||
cda4b7d3 | 4855 | /* Ensure that the cursor is valid for the new mode before changing... */ |
6b383a7f | 4856 | intel_crtc_update_cursor(crtc, true); |
cda4b7d3 | 4857 | |
ddc9003c | 4858 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
cec2f356 SP |
4859 | /* |
4860 | * Ensure we match the reduced clock's P to the target clock. | |
4861 | * If the clocks don't match, we can't switch the display clock | |
4862 | * by using the FP0/FP1. In such case we will disable the LVDS | |
4863 | * downclock feature. | |
4864 | */ | |
ddc9003c | 4865 | has_reduced_clock = limit->find_pll(limit, crtc, |
5eddb70b CW |
4866 | dev_priv->lvds_downclock, |
4867 | refclk, | |
cec2f356 | 4868 | &clock, |
5eddb70b | 4869 | &reduced_clock); |
7026d4ac | 4870 | } |
f47709a9 DV |
4871 | /* Compat-code for transition, will disappear. */ |
4872 | if (!intel_crtc->config.clock_set) { | |
4873 | intel_crtc->config.dpll.n = clock.n; | |
4874 | intel_crtc->config.dpll.m1 = clock.m1; | |
4875 | intel_crtc->config.dpll.m2 = clock.m2; | |
4876 | intel_crtc->config.dpll.p1 = clock.p1; | |
4877 | intel_crtc->config.dpll.p2 = clock.p2; | |
4878 | } | |
7026d4ac | 4879 | |
c65d77d8 | 4880 | if (is_sdvo && is_tv) |
f47709a9 | 4881 | i9xx_adjust_sdvo_tv_clock(intel_crtc); |
7026d4ac | 4882 | |
eb1cbe48 | 4883 | if (IS_GEN2(dev)) |
f47709a9 | 4884 | i8xx_update_pll(intel_crtc, adjusted_mode, |
2a8f64ca VP |
4885 | has_reduced_clock ? &reduced_clock : NULL, |
4886 | num_connectors); | |
a0c4da24 | 4887 | else if (IS_VALLEYVIEW(dev)) |
f47709a9 | 4888 | vlv_update_pll(intel_crtc); |
79e53945 | 4889 | else |
f47709a9 | 4890 | i9xx_update_pll(intel_crtc, |
eb1cbe48 | 4891 | has_reduced_clock ? &reduced_clock : NULL, |
89b667f8 | 4892 | num_connectors); |
79e53945 | 4893 | |
79e53945 JB |
4894 | /* Set up the display plane register */ |
4895 | dspcntr = DISPPLANE_GAMMA_ENABLE; | |
4896 | ||
da6ecc5d JB |
4897 | if (!IS_VALLEYVIEW(dev)) { |
4898 | if (pipe == 0) | |
4899 | dspcntr &= ~DISPPLANE_SEL_PIPE_MASK; | |
4900 | else | |
4901 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
4902 | } | |
79e53945 | 4903 | |
2582a850 | 4904 | DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe_name(pipe)); |
79e53945 JB |
4905 | drm_mode_debug_printmodeline(mode); |
4906 | ||
b0e77b9c | 4907 | intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); |
5eddb70b CW |
4908 | |
4909 | /* pipesrc and dspsize control the size that is scaled from, | |
4910 | * which should always be the user's requested size. | |
79e53945 | 4911 | */ |
929c77fb EA |
4912 | I915_WRITE(DSPSIZE(plane), |
4913 | ((mode->vdisplay - 1) << 16) | | |
4914 | (mode->hdisplay - 1)); | |
4915 | I915_WRITE(DSPPOS(plane), 0); | |
2c07245f | 4916 | |
84b046f3 DV |
4917 | i9xx_set_pipeconf(intel_crtc); |
4918 | ||
f564048e EA |
4919 | I915_WRITE(DSPCNTR(plane), dspcntr); |
4920 | POSTING_READ(DSPCNTR(plane)); | |
4921 | ||
94352cf9 | 4922 | ret = intel_pipe_set_base(crtc, x, y, fb); |
f564048e EA |
4923 | |
4924 | intel_update_watermarks(dev); | |
4925 | ||
f564048e EA |
4926 | return ret; |
4927 | } | |
4928 | ||
0e8ffe1b DV |
4929 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
4930 | struct intel_crtc_config *pipe_config) | |
4931 | { | |
4932 | struct drm_device *dev = crtc->base.dev; | |
4933 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4934 | uint32_t tmp; | |
4935 | ||
4936 | tmp = I915_READ(PIPECONF(crtc->pipe)); | |
4937 | if (!(tmp & PIPECONF_ENABLE)) | |
4938 | return false; | |
4939 | ||
4940 | return true; | |
4941 | } | |
4942 | ||
dde86e2d | 4943 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
4944 | { |
4945 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4946 | struct drm_mode_config *mode_config = &dev->mode_config; | |
13d83a67 | 4947 | struct intel_encoder *encoder; |
74cfd7ac | 4948 | u32 val, final; |
13d83a67 | 4949 | bool has_lvds = false; |
199e5d79 KP |
4950 | bool has_cpu_edp = false; |
4951 | bool has_pch_edp = false; | |
4952 | bool has_panel = false; | |
99eb6a01 KP |
4953 | bool has_ck505 = false; |
4954 | bool can_ssc = false; | |
13d83a67 JB |
4955 | |
4956 | /* We need to take the global config into account */ | |
199e5d79 KP |
4957 | list_for_each_entry(encoder, &mode_config->encoder_list, |
4958 | base.head) { | |
4959 | switch (encoder->type) { | |
4960 | case INTEL_OUTPUT_LVDS: | |
4961 | has_panel = true; | |
4962 | has_lvds = true; | |
4963 | break; | |
4964 | case INTEL_OUTPUT_EDP: | |
4965 | has_panel = true; | |
4966 | if (intel_encoder_is_pch_edp(&encoder->base)) | |
4967 | has_pch_edp = true; | |
4968 | else | |
4969 | has_cpu_edp = true; | |
4970 | break; | |
13d83a67 JB |
4971 | } |
4972 | } | |
4973 | ||
99eb6a01 KP |
4974 | if (HAS_PCH_IBX(dev)) { |
4975 | has_ck505 = dev_priv->display_clock_mode; | |
4976 | can_ssc = has_ck505; | |
4977 | } else { | |
4978 | has_ck505 = false; | |
4979 | can_ssc = true; | |
4980 | } | |
4981 | ||
4982 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_pch_edp %d has_cpu_edp %d has_ck505 %d\n", | |
4983 | has_panel, has_lvds, has_pch_edp, has_cpu_edp, | |
4984 | has_ck505); | |
13d83a67 JB |
4985 | |
4986 | /* Ironlake: try to setup display ref clock before DPLL | |
4987 | * enabling. This is only under driver's control after | |
4988 | * PCH B stepping, previous chipset stepping should be | |
4989 | * ignoring this setting. | |
4990 | */ | |
74cfd7ac CW |
4991 | val = I915_READ(PCH_DREF_CONTROL); |
4992 | ||
4993 | /* As we must carefully and slowly disable/enable each source in turn, | |
4994 | * compute the final state we want first and check if we need to | |
4995 | * make any changes at all. | |
4996 | */ | |
4997 | final = val; | |
4998 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
4999 | if (has_ck505) | |
5000 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
5001 | else | |
5002 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
5003 | ||
5004 | final &= ~DREF_SSC_SOURCE_MASK; | |
5005 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
5006 | final &= ~DREF_SSC1_ENABLE; | |
5007 | ||
5008 | if (has_panel) { | |
5009 | final |= DREF_SSC_SOURCE_ENABLE; | |
5010 | ||
5011 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
5012 | final |= DREF_SSC1_ENABLE; | |
5013 | ||
5014 | if (has_cpu_edp) { | |
5015 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
5016 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
5017 | else | |
5018 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
5019 | } else | |
5020 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
5021 | } else { | |
5022 | final |= DREF_SSC_SOURCE_DISABLE; | |
5023 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
5024 | } | |
5025 | ||
5026 | if (final == val) | |
5027 | return; | |
5028 | ||
13d83a67 | 5029 | /* Always enable nonspread source */ |
74cfd7ac | 5030 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 5031 | |
99eb6a01 | 5032 | if (has_ck505) |
74cfd7ac | 5033 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 5034 | else |
74cfd7ac | 5035 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 5036 | |
199e5d79 | 5037 | if (has_panel) { |
74cfd7ac CW |
5038 | val &= ~DREF_SSC_SOURCE_MASK; |
5039 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 5040 | |
199e5d79 | 5041 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 5042 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 5043 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 5044 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 5045 | } else |
74cfd7ac | 5046 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
5047 | |
5048 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 5049 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
5050 | POSTING_READ(PCH_DREF_CONTROL); |
5051 | udelay(200); | |
5052 | ||
74cfd7ac | 5053 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
5054 | |
5055 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 5056 | if (has_cpu_edp) { |
99eb6a01 | 5057 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 5058 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 5059 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
199e5d79 | 5060 | } |
13d83a67 | 5061 | else |
74cfd7ac | 5062 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 5063 | } else |
74cfd7ac | 5064 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 5065 | |
74cfd7ac | 5066 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
5067 | POSTING_READ(PCH_DREF_CONTROL); |
5068 | udelay(200); | |
5069 | } else { | |
5070 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
5071 | ||
74cfd7ac | 5072 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
5073 | |
5074 | /* Turn off CPU output */ | |
74cfd7ac | 5075 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 5076 | |
74cfd7ac | 5077 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
5078 | POSTING_READ(PCH_DREF_CONTROL); |
5079 | udelay(200); | |
5080 | ||
5081 | /* Turn off the SSC source */ | |
74cfd7ac CW |
5082 | val &= ~DREF_SSC_SOURCE_MASK; |
5083 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
5084 | |
5085 | /* Turn off SSC1 */ | |
74cfd7ac | 5086 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 5087 | |
74cfd7ac | 5088 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
5089 | POSTING_READ(PCH_DREF_CONTROL); |
5090 | udelay(200); | |
5091 | } | |
74cfd7ac CW |
5092 | |
5093 | BUG_ON(val != final); | |
13d83a67 JB |
5094 | } |
5095 | ||
dde86e2d PZ |
5096 | /* Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O. */ |
5097 | static void lpt_init_pch_refclk(struct drm_device *dev) | |
5098 | { | |
5099 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5100 | struct drm_mode_config *mode_config = &dev->mode_config; | |
5101 | struct intel_encoder *encoder; | |
5102 | bool has_vga = false; | |
5103 | bool is_sdv = false; | |
5104 | u32 tmp; | |
5105 | ||
5106 | list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { | |
5107 | switch (encoder->type) { | |
5108 | case INTEL_OUTPUT_ANALOG: | |
5109 | has_vga = true; | |
5110 | break; | |
5111 | } | |
5112 | } | |
5113 | ||
5114 | if (!has_vga) | |
5115 | return; | |
5116 | ||
c00db246 DV |
5117 | mutex_lock(&dev_priv->dpio_lock); |
5118 | ||
dde86e2d PZ |
5119 | /* XXX: Rip out SDV support once Haswell ships for real. */ |
5120 | if (IS_HASWELL(dev) && (dev->pci_device & 0xFF00) == 0x0C00) | |
5121 | is_sdv = true; | |
5122 | ||
5123 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
5124 | tmp &= ~SBI_SSCCTL_DISABLE; | |
5125 | tmp |= SBI_SSCCTL_PATHALT; | |
5126 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
5127 | ||
5128 | udelay(24); | |
5129 | ||
5130 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
5131 | tmp &= ~SBI_SSCCTL_PATHALT; | |
5132 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
5133 | ||
5134 | if (!is_sdv) { | |
5135 | tmp = I915_READ(SOUTH_CHICKEN2); | |
5136 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
5137 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
5138 | ||
5139 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & | |
5140 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
5141 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
5142 | ||
5143 | tmp = I915_READ(SOUTH_CHICKEN2); | |
5144 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
5145 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
5146 | ||
5147 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & | |
5148 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, | |
5149 | 100)) | |
5150 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
5151 | } | |
5152 | ||
5153 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
5154 | tmp &= ~(0xFF << 24); | |
5155 | tmp |= (0x12 << 24); | |
5156 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
5157 | ||
dde86e2d PZ |
5158 | if (is_sdv) { |
5159 | tmp = intel_sbi_read(dev_priv, 0x800C, SBI_MPHY); | |
5160 | tmp |= 0x7FFF; | |
5161 | intel_sbi_write(dev_priv, 0x800C, tmp, SBI_MPHY); | |
5162 | } | |
5163 | ||
5164 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); | |
5165 | tmp |= (1 << 11); | |
5166 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
5167 | ||
5168 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
5169 | tmp |= (1 << 11); | |
5170 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
5171 | ||
5172 | if (is_sdv) { | |
5173 | tmp = intel_sbi_read(dev_priv, 0x2038, SBI_MPHY); | |
5174 | tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16); | |
5175 | intel_sbi_write(dev_priv, 0x2038, tmp, SBI_MPHY); | |
5176 | ||
5177 | tmp = intel_sbi_read(dev_priv, 0x2138, SBI_MPHY); | |
5178 | tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16); | |
5179 | intel_sbi_write(dev_priv, 0x2138, tmp, SBI_MPHY); | |
5180 | ||
5181 | tmp = intel_sbi_read(dev_priv, 0x203C, SBI_MPHY); | |
5182 | tmp |= (0x3F << 8); | |
5183 | intel_sbi_write(dev_priv, 0x203C, tmp, SBI_MPHY); | |
5184 | ||
5185 | tmp = intel_sbi_read(dev_priv, 0x213C, SBI_MPHY); | |
5186 | tmp |= (0x3F << 8); | |
5187 | intel_sbi_write(dev_priv, 0x213C, tmp, SBI_MPHY); | |
5188 | } | |
5189 | ||
5190 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); | |
5191 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
5192 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
5193 | ||
5194 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
5195 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
5196 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
5197 | ||
5198 | if (!is_sdv) { | |
5199 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); | |
5200 | tmp &= ~(7 << 13); | |
5201 | tmp |= (5 << 13); | |
5202 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
5203 | ||
5204 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); | |
5205 | tmp &= ~(7 << 13); | |
5206 | tmp |= (5 << 13); | |
5207 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
5208 | } | |
5209 | ||
5210 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
5211 | tmp &= ~0xFF; | |
5212 | tmp |= 0x1C; | |
5213 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
5214 | ||
5215 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
5216 | tmp &= ~0xFF; | |
5217 | tmp |= 0x1C; | |
5218 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
5219 | ||
5220 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
5221 | tmp &= ~(0xFF << 16); | |
5222 | tmp |= (0x1C << 16); | |
5223 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
5224 | ||
5225 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
5226 | tmp &= ~(0xFF << 16); | |
5227 | tmp |= (0x1C << 16); | |
5228 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
5229 | ||
5230 | if (!is_sdv) { | |
5231 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); | |
5232 | tmp |= (1 << 27); | |
5233 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
5234 | ||
5235 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); | |
5236 | tmp |= (1 << 27); | |
5237 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
5238 | ||
5239 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); | |
5240 | tmp &= ~(0xF << 28); | |
5241 | tmp |= (4 << 28); | |
5242 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
5243 | ||
5244 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); | |
5245 | tmp &= ~(0xF << 28); | |
5246 | tmp |= (4 << 28); | |
5247 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
5248 | } | |
5249 | ||
5250 | /* ULT uses SBI_GEN0, but ULT doesn't have VGA, so we don't care. */ | |
5251 | tmp = intel_sbi_read(dev_priv, SBI_DBUFF0, SBI_ICLK); | |
5252 | tmp |= SBI_DBUFF0_ENABLE; | |
5253 | intel_sbi_write(dev_priv, SBI_DBUFF0, tmp, SBI_ICLK); | |
c00db246 DV |
5254 | |
5255 | mutex_unlock(&dev_priv->dpio_lock); | |
dde86e2d PZ |
5256 | } |
5257 | ||
5258 | /* | |
5259 | * Initialize reference clocks when the driver loads | |
5260 | */ | |
5261 | void intel_init_pch_refclk(struct drm_device *dev) | |
5262 | { | |
5263 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
5264 | ironlake_init_pch_refclk(dev); | |
5265 | else if (HAS_PCH_LPT(dev)) | |
5266 | lpt_init_pch_refclk(dev); | |
5267 | } | |
5268 | ||
d9d444cb JB |
5269 | static int ironlake_get_refclk(struct drm_crtc *crtc) |
5270 | { | |
5271 | struct drm_device *dev = crtc->dev; | |
5272 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5273 | struct intel_encoder *encoder; | |
d9d444cb JB |
5274 | struct intel_encoder *edp_encoder = NULL; |
5275 | int num_connectors = 0; | |
5276 | bool is_lvds = false; | |
5277 | ||
6c2b7c12 | 5278 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
d9d444cb JB |
5279 | switch (encoder->type) { |
5280 | case INTEL_OUTPUT_LVDS: | |
5281 | is_lvds = true; | |
5282 | break; | |
5283 | case INTEL_OUTPUT_EDP: | |
5284 | edp_encoder = encoder; | |
5285 | break; | |
5286 | } | |
5287 | num_connectors++; | |
5288 | } | |
5289 | ||
5290 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
5291 | DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n", | |
5292 | dev_priv->lvds_ssc_freq); | |
5293 | return dev_priv->lvds_ssc_freq * 1000; | |
5294 | } | |
5295 | ||
5296 | return 120000; | |
5297 | } | |
5298 | ||
6ff93609 | 5299 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 5300 | { |
c8203565 | 5301 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
5302 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5303 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
5304 | uint32_t val; |
5305 | ||
5306 | val = I915_READ(PIPECONF(pipe)); | |
5307 | ||
dfd07d72 | 5308 | val &= ~PIPECONF_BPC_MASK; |
965e0c48 | 5309 | switch (intel_crtc->config.pipe_bpp) { |
c8203565 | 5310 | case 18: |
dfd07d72 | 5311 | val |= PIPECONF_6BPC; |
c8203565 PZ |
5312 | break; |
5313 | case 24: | |
dfd07d72 | 5314 | val |= PIPECONF_8BPC; |
c8203565 PZ |
5315 | break; |
5316 | case 30: | |
dfd07d72 | 5317 | val |= PIPECONF_10BPC; |
c8203565 PZ |
5318 | break; |
5319 | case 36: | |
dfd07d72 | 5320 | val |= PIPECONF_12BPC; |
c8203565 PZ |
5321 | break; |
5322 | default: | |
cc769b62 PZ |
5323 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
5324 | BUG(); | |
c8203565 PZ |
5325 | } |
5326 | ||
5327 | val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); | |
d8b32247 | 5328 | if (intel_crtc->config.dither) |
c8203565 PZ |
5329 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
5330 | ||
5331 | val &= ~PIPECONF_INTERLACE_MASK; | |
6ff93609 | 5332 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
5333 | val |= PIPECONF_INTERLACED_ILK; |
5334 | else | |
5335 | val |= PIPECONF_PROGRESSIVE; | |
5336 | ||
50f3b016 | 5337 | if (intel_crtc->config.limited_color_range) |
3685a8f3 VS |
5338 | val |= PIPECONF_COLOR_RANGE_SELECT; |
5339 | else | |
5340 | val &= ~PIPECONF_COLOR_RANGE_SELECT; | |
5341 | ||
c8203565 PZ |
5342 | I915_WRITE(PIPECONF(pipe), val); |
5343 | POSTING_READ(PIPECONF(pipe)); | |
5344 | } | |
5345 | ||
86d3efce VS |
5346 | /* |
5347 | * Set up the pipe CSC unit. | |
5348 | * | |
5349 | * Currently only full range RGB to limited range RGB conversion | |
5350 | * is supported, but eventually this should handle various | |
5351 | * RGB<->YCbCr scenarios as well. | |
5352 | */ | |
50f3b016 | 5353 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
5354 | { |
5355 | struct drm_device *dev = crtc->dev; | |
5356 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5357 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5358 | int pipe = intel_crtc->pipe; | |
5359 | uint16_t coeff = 0x7800; /* 1.0 */ | |
5360 | ||
5361 | /* | |
5362 | * TODO: Check what kind of values actually come out of the pipe | |
5363 | * with these coeff/postoff values and adjust to get the best | |
5364 | * accuracy. Perhaps we even need to take the bpc value into | |
5365 | * consideration. | |
5366 | */ | |
5367 | ||
50f3b016 | 5368 | if (intel_crtc->config.limited_color_range) |
86d3efce VS |
5369 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
5370 | ||
5371 | /* | |
5372 | * GY/GU and RY/RU should be the other way around according | |
5373 | * to BSpec, but reality doesn't agree. Just set them up in | |
5374 | * a way that results in the correct picture. | |
5375 | */ | |
5376 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
5377 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
5378 | ||
5379 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
5380 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
5381 | ||
5382 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
5383 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
5384 | ||
5385 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
5386 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
5387 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
5388 | ||
5389 | if (INTEL_INFO(dev)->gen > 6) { | |
5390 | uint16_t postoff = 0; | |
5391 | ||
50f3b016 | 5392 | if (intel_crtc->config.limited_color_range) |
86d3efce VS |
5393 | postoff = (16 * (1 << 13) / 255) & 0x1fff; |
5394 | ||
5395 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
5396 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
5397 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
5398 | ||
5399 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
5400 | } else { | |
5401 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
5402 | ||
50f3b016 | 5403 | if (intel_crtc->config.limited_color_range) |
86d3efce VS |
5404 | mode |= CSC_BLACK_SCREEN_OFFSET; |
5405 | ||
5406 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
5407 | } | |
5408 | } | |
5409 | ||
6ff93609 | 5410 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 PZ |
5411 | { |
5412 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; | |
5413 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3b117c8f | 5414 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
ee2b0b38 PZ |
5415 | uint32_t val; |
5416 | ||
702e7a56 | 5417 | val = I915_READ(PIPECONF(cpu_transcoder)); |
ee2b0b38 PZ |
5418 | |
5419 | val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); | |
d8b32247 | 5420 | if (intel_crtc->config.dither) |
ee2b0b38 PZ |
5421 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
5422 | ||
5423 | val &= ~PIPECONF_INTERLACE_MASK_HSW; | |
6ff93609 | 5424 | if (intel_crtc->config.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
5425 | val |= PIPECONF_INTERLACED_ILK; |
5426 | else | |
5427 | val |= PIPECONF_PROGRESSIVE; | |
5428 | ||
702e7a56 PZ |
5429 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
5430 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
ee2b0b38 PZ |
5431 | } |
5432 | ||
6591c6e4 PZ |
5433 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
5434 | struct drm_display_mode *adjusted_mode, | |
5435 | intel_clock_t *clock, | |
5436 | bool *has_reduced_clock, | |
5437 | intel_clock_t *reduced_clock) | |
5438 | { | |
5439 | struct drm_device *dev = crtc->dev; | |
5440 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5441 | struct intel_encoder *intel_encoder; | |
5442 | int refclk; | |
d4906093 | 5443 | const intel_limit_t *limit; |
6591c6e4 | 5444 | bool ret, is_sdvo = false, is_tv = false, is_lvds = false; |
79e53945 | 5445 | |
6591c6e4 PZ |
5446 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
5447 | switch (intel_encoder->type) { | |
79e53945 JB |
5448 | case INTEL_OUTPUT_LVDS: |
5449 | is_lvds = true; | |
5450 | break; | |
5451 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 5452 | case INTEL_OUTPUT_HDMI: |
79e53945 | 5453 | is_sdvo = true; |
6591c6e4 | 5454 | if (intel_encoder->needs_tv_clock) |
e2f0ba97 | 5455 | is_tv = true; |
79e53945 | 5456 | break; |
79e53945 JB |
5457 | case INTEL_OUTPUT_TVOUT: |
5458 | is_tv = true; | |
5459 | break; | |
79e53945 JB |
5460 | } |
5461 | } | |
5462 | ||
d9d444cb | 5463 | refclk = ironlake_get_refclk(crtc); |
79e53945 | 5464 | |
d4906093 ML |
5465 | /* |
5466 | * Returns a set of divisors for the desired target clock with the given | |
5467 | * refclk, or FALSE. The returned values represent the clock equation: | |
5468 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
5469 | */ | |
1b894b59 | 5470 | limit = intel_limit(crtc, refclk); |
6591c6e4 PZ |
5471 | ret = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL, |
5472 | clock); | |
5473 | if (!ret) | |
5474 | return false; | |
cda4b7d3 | 5475 | |
ddc9003c | 5476 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
cec2f356 SP |
5477 | /* |
5478 | * Ensure we match the reduced clock's P to the target clock. | |
5479 | * If the clocks don't match, we can't switch the display clock | |
5480 | * by using the FP0/FP1. In such case we will disable the LVDS | |
5481 | * downclock feature. | |
5482 | */ | |
6591c6e4 PZ |
5483 | *has_reduced_clock = limit->find_pll(limit, crtc, |
5484 | dev_priv->lvds_downclock, | |
5485 | refclk, | |
5486 | clock, | |
5487 | reduced_clock); | |
652c393a | 5488 | } |
61e9653f DV |
5489 | |
5490 | if (is_sdvo && is_tv) | |
f47709a9 | 5491 | i9xx_adjust_sdvo_tv_clock(to_intel_crtc(crtc)); |
6591c6e4 PZ |
5492 | |
5493 | return true; | |
5494 | } | |
5495 | ||
01a415fd DV |
5496 | static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev) |
5497 | { | |
5498 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5499 | uint32_t temp; | |
5500 | ||
5501 | temp = I915_READ(SOUTH_CHICKEN1); | |
5502 | if (temp & FDI_BC_BIFURCATION_SELECT) | |
5503 | return; | |
5504 | ||
5505 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
5506 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
5507 | ||
5508 | temp |= FDI_BC_BIFURCATION_SELECT; | |
5509 | DRM_DEBUG_KMS("enabling fdi C rx\n"); | |
5510 | I915_WRITE(SOUTH_CHICKEN1, temp); | |
5511 | POSTING_READ(SOUTH_CHICKEN1); | |
5512 | } | |
5513 | ||
ebfd86fd DV |
5514 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) |
5515 | { | |
5516 | struct drm_device *dev = intel_crtc->base.dev; | |
5517 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5518 | ||
5519 | switch (intel_crtc->pipe) { | |
5520 | case PIPE_A: | |
5521 | break; | |
5522 | case PIPE_B: | |
5523 | if (intel_crtc->config.fdi_lanes > 2) | |
5524 | WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT); | |
5525 | else | |
5526 | cpt_enable_fdi_bc_bifurcation(dev); | |
5527 | ||
5528 | break; | |
5529 | case PIPE_C: | |
01a415fd DV |
5530 | cpt_enable_fdi_bc_bifurcation(dev); |
5531 | ||
ebfd86fd | 5532 | break; |
01a415fd DV |
5533 | default: |
5534 | BUG(); | |
5535 | } | |
5536 | } | |
5537 | ||
d4b1931c PZ |
5538 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
5539 | { | |
5540 | /* | |
5541 | * Account for spread spectrum to avoid | |
5542 | * oversubscribing the link. Max center spread | |
5543 | * is 2.5%; use 5% for safety's sake. | |
5544 | */ | |
5545 | u32 bps = target_clock * bpp * 21 / 20; | |
5546 | return bps / (link_bw * 8) + 1; | |
5547 | } | |
5548 | ||
6cf86a5e DV |
5549 | void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
5550 | struct intel_link_m_n *m_n) | |
79e53945 | 5551 | { |
6cf86a5e DV |
5552 | struct drm_device *dev = crtc->base.dev; |
5553 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5554 | int pipe = crtc->pipe; | |
5555 | ||
5556 | I915_WRITE(TRANSDATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
5557 | I915_WRITE(TRANSDATA_N1(pipe), m_n->gmch_n); | |
5558 | I915_WRITE(TRANSDPLINK_M1(pipe), m_n->link_m); | |
5559 | I915_WRITE(TRANSDPLINK_N1(pipe), m_n->link_n); | |
5560 | } | |
5561 | ||
5562 | void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
5563 | struct intel_link_m_n *m_n) | |
5564 | { | |
5565 | struct drm_device *dev = crtc->base.dev; | |
79e53945 | 5566 | struct drm_i915_private *dev_priv = dev->dev_private; |
6cf86a5e | 5567 | int pipe = crtc->pipe; |
3b117c8f | 5568 | enum transcoder transcoder = crtc->config.cpu_transcoder; |
6cf86a5e DV |
5569 | |
5570 | if (INTEL_INFO(dev)->gen >= 5) { | |
5571 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
5572 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
5573 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
5574 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
5575 | } else { | |
5576 | I915_WRITE(PIPE_GMCH_DATA_M(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
5577 | I915_WRITE(PIPE_GMCH_DATA_N(pipe), m_n->gmch_n); | |
5578 | I915_WRITE(PIPE_DP_LINK_M(pipe), m_n->link_m); | |
5579 | I915_WRITE(PIPE_DP_LINK_N(pipe), m_n->link_n); | |
5580 | } | |
5581 | } | |
5582 | ||
7429e9d4 DV |
5583 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
5584 | { | |
5585 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; | |
5586 | } | |
5587 | ||
de13a2e3 | 5588 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
7429e9d4 | 5589 | u32 *fp, |
9a7c7890 | 5590 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 5591 | { |
de13a2e3 | 5592 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
5593 | struct drm_device *dev = crtc->dev; |
5594 | struct drm_i915_private *dev_priv = dev->dev_private; | |
de13a2e3 PZ |
5595 | struct intel_encoder *intel_encoder; |
5596 | uint32_t dpll; | |
6cc5f341 | 5597 | int factor, num_connectors = 0; |
de13a2e3 | 5598 | bool is_lvds = false, is_sdvo = false, is_tv = false; |
79e53945 | 5599 | |
de13a2e3 PZ |
5600 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
5601 | switch (intel_encoder->type) { | |
79e53945 JB |
5602 | case INTEL_OUTPUT_LVDS: |
5603 | is_lvds = true; | |
5604 | break; | |
5605 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 5606 | case INTEL_OUTPUT_HDMI: |
79e53945 | 5607 | is_sdvo = true; |
de13a2e3 | 5608 | if (intel_encoder->needs_tv_clock) |
e2f0ba97 | 5609 | is_tv = true; |
79e53945 | 5610 | break; |
79e53945 JB |
5611 | case INTEL_OUTPUT_TVOUT: |
5612 | is_tv = true; | |
5613 | break; | |
79e53945 | 5614 | } |
43565a06 | 5615 | |
c751ce4f | 5616 | num_connectors++; |
79e53945 | 5617 | } |
79e53945 | 5618 | |
c1858123 | 5619 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
5620 | factor = 21; |
5621 | if (is_lvds) { | |
5622 | if ((intel_panel_use_ssc(dev_priv) && | |
5623 | dev_priv->lvds_ssc_freq == 100) || | |
f0b44056 | 5624 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 EA |
5625 | factor = 25; |
5626 | } else if (is_sdvo && is_tv) | |
5627 | factor = 20; | |
c1858123 | 5628 | |
7429e9d4 | 5629 | if (ironlake_needs_fb_cb_tune(&intel_crtc->config.dpll, factor)) |
7d0ac5b7 | 5630 | *fp |= FP_CB_TUNE; |
2c07245f | 5631 | |
9a7c7890 DV |
5632 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
5633 | *fp2 |= FP_CB_TUNE; | |
5634 | ||
5eddb70b | 5635 | dpll = 0; |
2c07245f | 5636 | |
a07d6787 EA |
5637 | if (is_lvds) |
5638 | dpll |= DPLLB_MODE_LVDS; | |
5639 | else | |
5640 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f DV |
5641 | |
5642 | if (intel_crtc->config.pixel_multiplier > 1) { | |
5643 | dpll |= (intel_crtc->config.pixel_multiplier - 1) | |
5644 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; | |
a07d6787 | 5645 | } |
198a037f DV |
5646 | |
5647 | if (is_sdvo) | |
5648 | dpll |= DPLL_DVO_HIGH_SPEED; | |
9566e9af | 5649 | if (intel_crtc->config.has_dp_encoder) |
a07d6787 | 5650 | dpll |= DPLL_DVO_HIGH_SPEED; |
79e53945 | 5651 | |
a07d6787 | 5652 | /* compute bitmask from p1 value */ |
7429e9d4 | 5653 | dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 5654 | /* also FPA1 */ |
7429e9d4 | 5655 | dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 5656 | |
7429e9d4 | 5657 | switch (intel_crtc->config.dpll.p2) { |
a07d6787 EA |
5658 | case 5: |
5659 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
5660 | break; | |
5661 | case 7: | |
5662 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
5663 | break; | |
5664 | case 10: | |
5665 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
5666 | break; | |
5667 | case 14: | |
5668 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
5669 | break; | |
79e53945 JB |
5670 | } |
5671 | ||
43565a06 KH |
5672 | if (is_sdvo && is_tv) |
5673 | dpll |= PLL_REF_INPUT_TVCLKINBC; | |
5674 | else if (is_tv) | |
79e53945 | 5675 | /* XXX: just matching BIOS for now */ |
43565a06 | 5676 | /* dpll |= PLL_REF_INPUT_TVCLKINBC; */ |
79e53945 | 5677 | dpll |= 3; |
a7615030 | 5678 | else if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 5679 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
5680 | else |
5681 | dpll |= PLL_REF_INPUT_DREFCLK; | |
5682 | ||
de13a2e3 PZ |
5683 | return dpll; |
5684 | } | |
5685 | ||
5686 | static int ironlake_crtc_mode_set(struct drm_crtc *crtc, | |
de13a2e3 PZ |
5687 | int x, int y, |
5688 | struct drm_framebuffer *fb) | |
5689 | { | |
5690 | struct drm_device *dev = crtc->dev; | |
5691 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5692 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b8cecdf5 DV |
5693 | struct drm_display_mode *adjusted_mode = |
5694 | &intel_crtc->config.adjusted_mode; | |
5695 | struct drm_display_mode *mode = &intel_crtc->config.requested_mode; | |
de13a2e3 PZ |
5696 | int pipe = intel_crtc->pipe; |
5697 | int plane = intel_crtc->plane; | |
5698 | int num_connectors = 0; | |
5699 | intel_clock_t clock, reduced_clock; | |
cbbab5bd | 5700 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 5701 | bool ok, has_reduced_clock = false; |
8b47047b | 5702 | bool is_lvds = false; |
de13a2e3 | 5703 | struct intel_encoder *encoder; |
de13a2e3 | 5704 | int ret; |
de13a2e3 PZ |
5705 | |
5706 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
5707 | switch (encoder->type) { | |
5708 | case INTEL_OUTPUT_LVDS: | |
5709 | is_lvds = true; | |
5710 | break; | |
de13a2e3 PZ |
5711 | } |
5712 | ||
5713 | num_connectors++; | |
a07d6787 | 5714 | } |
79e53945 | 5715 | |
5dc5298b PZ |
5716 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
5717 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 5718 | |
3b117c8f | 5719 | intel_crtc->config.cpu_transcoder = pipe; |
6cf86a5e | 5720 | |
de13a2e3 PZ |
5721 | ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock, |
5722 | &has_reduced_clock, &reduced_clock); | |
5723 | if (!ok) { | |
5724 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); | |
5725 | return -EINVAL; | |
79e53945 | 5726 | } |
f47709a9 DV |
5727 | /* Compat-code for transition, will disappear. */ |
5728 | if (!intel_crtc->config.clock_set) { | |
5729 | intel_crtc->config.dpll.n = clock.n; | |
5730 | intel_crtc->config.dpll.m1 = clock.m1; | |
5731 | intel_crtc->config.dpll.m2 = clock.m2; | |
5732 | intel_crtc->config.dpll.p1 = clock.p1; | |
5733 | intel_crtc->config.dpll.p2 = clock.p2; | |
5734 | } | |
79e53945 | 5735 | |
de13a2e3 PZ |
5736 | /* Ensure that the cursor is valid for the new mode before changing... */ |
5737 | intel_crtc_update_cursor(crtc, true); | |
5738 | ||
84f44ce7 | 5739 | DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe_name(pipe)); |
79e53945 JB |
5740 | drm_mode_debug_printmodeline(mode); |
5741 | ||
5dc5298b | 5742 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
8b47047b | 5743 | if (intel_crtc->config.has_pch_encoder) { |
ee7b9f93 | 5744 | struct intel_pch_pll *pll; |
4b645f14 | 5745 | |
7429e9d4 | 5746 | fp = i9xx_dpll_compute_fp(&intel_crtc->config.dpll); |
cbbab5bd | 5747 | if (has_reduced_clock) |
7429e9d4 | 5748 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 5749 | |
7429e9d4 | 5750 | dpll = ironlake_compute_dpll(intel_crtc, |
cbbab5bd DV |
5751 | &fp, &reduced_clock, |
5752 | has_reduced_clock ? &fp2 : NULL); | |
5753 | ||
ee7b9f93 JB |
5754 | pll = intel_get_pch_pll(intel_crtc, dpll, fp); |
5755 | if (pll == NULL) { | |
84f44ce7 VS |
5756 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
5757 | pipe_name(pipe)); | |
4b645f14 JB |
5758 | return -EINVAL; |
5759 | } | |
ee7b9f93 JB |
5760 | } else |
5761 | intel_put_pch_pll(intel_crtc); | |
79e53945 | 5762 | |
03afc4a2 DV |
5763 | if (intel_crtc->config.has_dp_encoder) |
5764 | intel_dp_set_m_n(intel_crtc); | |
79e53945 | 5765 | |
dafd226c DV |
5766 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5767 | if (encoder->pre_pll_enable) | |
5768 | encoder->pre_pll_enable(encoder); | |
79e53945 | 5769 | |
ee7b9f93 JB |
5770 | if (intel_crtc->pch_pll) { |
5771 | I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); | |
5eddb70b | 5772 | |
32f9d658 | 5773 | /* Wait for the clocks to stabilize. */ |
ee7b9f93 | 5774 | POSTING_READ(intel_crtc->pch_pll->pll_reg); |
32f9d658 ZW |
5775 | udelay(150); |
5776 | ||
8febb297 EA |
5777 | /* The pixel multiplier can only be updated once the |
5778 | * DPLL is enabled and the clocks are stable. | |
5779 | * | |
5780 | * So write it again. | |
5781 | */ | |
ee7b9f93 | 5782 | I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); |
79e53945 | 5783 | } |
79e53945 | 5784 | |
5eddb70b | 5785 | intel_crtc->lowfreq_avail = false; |
ee7b9f93 | 5786 | if (intel_crtc->pch_pll) { |
4b645f14 | 5787 | if (is_lvds && has_reduced_clock && i915_powersave) { |
ee7b9f93 | 5788 | I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2); |
4b645f14 | 5789 | intel_crtc->lowfreq_avail = true; |
4b645f14 | 5790 | } else { |
ee7b9f93 | 5791 | I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp); |
652c393a JB |
5792 | } |
5793 | } | |
5794 | ||
b0e77b9c | 5795 | intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); |
5eddb70b | 5796 | |
ca3a0ff8 | 5797 | if (intel_crtc->config.has_pch_encoder) { |
ca3a0ff8 DV |
5798 | intel_cpu_transcoder_set_m_n(intel_crtc, |
5799 | &intel_crtc->config.fdi_m_n); | |
5800 | } | |
2c07245f | 5801 | |
ebfd86fd DV |
5802 | if (IS_IVYBRIDGE(dev)) |
5803 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
2c07245f | 5804 | |
6ff93609 | 5805 | ironlake_set_pipeconf(crtc); |
79e53945 | 5806 | |
a1f9e77e PZ |
5807 | /* Set up the display plane register */ |
5808 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE); | |
b24e7179 | 5809 | POSTING_READ(DSPCNTR(plane)); |
79e53945 | 5810 | |
94352cf9 | 5811 | ret = intel_pipe_set_base(crtc, x, y, fb); |
7662c8bd SL |
5812 | |
5813 | intel_update_watermarks(dev); | |
5814 | ||
1f8eeabf ED |
5815 | intel_update_linetime_watermarks(dev, pipe, adjusted_mode); |
5816 | ||
1857e1da | 5817 | return ret; |
79e53945 JB |
5818 | } |
5819 | ||
0e8ffe1b DV |
5820 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5821 | struct intel_crtc_config *pipe_config) | |
5822 | { | |
5823 | struct drm_device *dev = crtc->base.dev; | |
5824 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5825 | uint32_t tmp; | |
5826 | ||
5827 | tmp = I915_READ(PIPECONF(crtc->pipe)); | |
5828 | if (!(tmp & PIPECONF_ENABLE)) | |
5829 | return false; | |
5830 | ||
627eb5a3 | 5831 | if (I915_READ(TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
88adfff1 DV |
5832 | pipe_config->has_pch_encoder = true; |
5833 | ||
627eb5a3 DV |
5834 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
5835 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
5836 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
5837 | } | |
5838 | ||
0e8ffe1b DV |
5839 | return true; |
5840 | } | |
5841 | ||
d6dd9eb1 DV |
5842 | static void haswell_modeset_global_resources(struct drm_device *dev) |
5843 | { | |
5844 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5845 | bool enable = false; | |
5846 | struct intel_crtc *crtc; | |
5847 | struct intel_encoder *encoder; | |
5848 | ||
5849 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { | |
5850 | if (crtc->pipe != PIPE_A && crtc->base.enabled) | |
5851 | enable = true; | |
5852 | /* XXX: Should check for edp transcoder here, but thanks to init | |
5853 | * sequence that's not yet available. Just in case desktop eDP | |
5854 | * on PORT D is possible on haswell, too. */ | |
b074cec8 JB |
5855 | /* Even the eDP panel fitter is outside the always-on well. */ |
5856 | if (I915_READ(PF_WIN_SZ(crtc->pipe))) | |
5857 | enable = true; | |
d6dd9eb1 DV |
5858 | } |
5859 | ||
5860 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
5861 | base.head) { | |
5862 | if (encoder->type != INTEL_OUTPUT_EDP && | |
5863 | encoder->connectors_active) | |
5864 | enable = true; | |
5865 | } | |
5866 | ||
d6dd9eb1 DV |
5867 | intel_set_power_well(dev, enable); |
5868 | } | |
5869 | ||
09b4ddf9 | 5870 | static int haswell_crtc_mode_set(struct drm_crtc *crtc, |
09b4ddf9 PZ |
5871 | int x, int y, |
5872 | struct drm_framebuffer *fb) | |
5873 | { | |
5874 | struct drm_device *dev = crtc->dev; | |
5875 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5876 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b8cecdf5 DV |
5877 | struct drm_display_mode *adjusted_mode = |
5878 | &intel_crtc->config.adjusted_mode; | |
5879 | struct drm_display_mode *mode = &intel_crtc->config.requested_mode; | |
09b4ddf9 PZ |
5880 | int pipe = intel_crtc->pipe; |
5881 | int plane = intel_crtc->plane; | |
5882 | int num_connectors = 0; | |
8b47047b | 5883 | bool is_cpu_edp = false; |
09b4ddf9 | 5884 | struct intel_encoder *encoder; |
09b4ddf9 | 5885 | int ret; |
09b4ddf9 PZ |
5886 | |
5887 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
5888 | switch (encoder->type) { | |
09b4ddf9 | 5889 | case INTEL_OUTPUT_EDP: |
09b4ddf9 PZ |
5890 | if (!intel_encoder_is_pch_edp(&encoder->base)) |
5891 | is_cpu_edp = true; | |
5892 | break; | |
5893 | } | |
5894 | ||
5895 | num_connectors++; | |
5896 | } | |
5897 | ||
bba2181c | 5898 | if (is_cpu_edp) |
3b117c8f | 5899 | intel_crtc->config.cpu_transcoder = TRANSCODER_EDP; |
bba2181c | 5900 | else |
3b117c8f | 5901 | intel_crtc->config.cpu_transcoder = pipe; |
bba2181c | 5902 | |
5dc5298b PZ |
5903 | /* We are not sure yet this won't happen. */ |
5904 | WARN(!HAS_PCH_LPT(dev), "Unexpected PCH type %d\n", | |
5905 | INTEL_PCH_TYPE(dev)); | |
5906 | ||
5907 | WARN(num_connectors != 1, "%d connectors attached to pipe %c\n", | |
5908 | num_connectors, pipe_name(pipe)); | |
5909 | ||
3b117c8f | 5910 | WARN_ON(I915_READ(PIPECONF(intel_crtc->config.cpu_transcoder)) & |
1ce42920 PZ |
5911 | (PIPECONF_ENABLE | I965_PIPECONF_ACTIVE)); |
5912 | ||
5913 | WARN_ON(I915_READ(DSPCNTR(plane)) & DISPLAY_PLANE_ENABLE); | |
5914 | ||
6441ab5f PZ |
5915 | if (!intel_ddi_pll_mode_set(crtc, adjusted_mode->clock)) |
5916 | return -EINVAL; | |
5917 | ||
09b4ddf9 PZ |
5918 | /* Ensure that the cursor is valid for the new mode before changing... */ |
5919 | intel_crtc_update_cursor(crtc, true); | |
5920 | ||
84f44ce7 | 5921 | DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe_name(pipe)); |
09b4ddf9 PZ |
5922 | drm_mode_debug_printmodeline(mode); |
5923 | ||
03afc4a2 DV |
5924 | if (intel_crtc->config.has_dp_encoder) |
5925 | intel_dp_set_m_n(intel_crtc); | |
09b4ddf9 PZ |
5926 | |
5927 | intel_crtc->lowfreq_avail = false; | |
09b4ddf9 PZ |
5928 | |
5929 | intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); | |
5930 | ||
ca3a0ff8 | 5931 | if (intel_crtc->config.has_pch_encoder) { |
ca3a0ff8 DV |
5932 | intel_cpu_transcoder_set_m_n(intel_crtc, |
5933 | &intel_crtc->config.fdi_m_n); | |
5934 | } | |
09b4ddf9 | 5935 | |
6ff93609 | 5936 | haswell_set_pipeconf(crtc); |
09b4ddf9 | 5937 | |
50f3b016 | 5938 | intel_set_pipe_csc(crtc); |
86d3efce | 5939 | |
09b4ddf9 | 5940 | /* Set up the display plane register */ |
86d3efce | 5941 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE | DISPPLANE_PIPE_CSC_ENABLE); |
09b4ddf9 PZ |
5942 | POSTING_READ(DSPCNTR(plane)); |
5943 | ||
5944 | ret = intel_pipe_set_base(crtc, x, y, fb); | |
5945 | ||
5946 | intel_update_watermarks(dev); | |
5947 | ||
5948 | intel_update_linetime_watermarks(dev, pipe, adjusted_mode); | |
5949 | ||
1f803ee5 | 5950 | return ret; |
79e53945 JB |
5951 | } |
5952 | ||
0e8ffe1b DV |
5953 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5954 | struct intel_crtc_config *pipe_config) | |
5955 | { | |
5956 | struct drm_device *dev = crtc->base.dev; | |
5957 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2bfce950 | 5958 | enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; |
0e8ffe1b DV |
5959 | uint32_t tmp; |
5960 | ||
2bfce950 PZ |
5961 | if (!intel_using_power_well(dev_priv->dev) && |
5962 | cpu_transcoder != TRANSCODER_EDP) | |
5963 | return false; | |
5964 | ||
5965 | tmp = I915_READ(PIPECONF(cpu_transcoder)); | |
0e8ffe1b DV |
5966 | if (!(tmp & PIPECONF_ENABLE)) |
5967 | return false; | |
5968 | ||
88adfff1 | 5969 | /* |
f196e6be | 5970 | * Haswell has only FDI/PCH transcoder A. It is which is connected to |
88adfff1 DV |
5971 | * DDI E. So just check whether this pipe is wired to DDI E and whether |
5972 | * the PCH transcoder is on. | |
5973 | */ | |
f196e6be | 5974 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); |
88adfff1 | 5975 | if ((tmp & TRANS_DDI_PORT_MASK) == TRANS_DDI_SELECT_PORT(PORT_E) && |
627eb5a3 | 5976 | I915_READ(TRANSCONF(PIPE_A)) & TRANS_ENABLE) { |
88adfff1 DV |
5977 | pipe_config->has_pch_encoder = true; |
5978 | ||
627eb5a3 DV |
5979 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); |
5980 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
5981 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
5982 | } | |
5983 | ||
0e8ffe1b DV |
5984 | return true; |
5985 | } | |
5986 | ||
f564048e | 5987 | static int intel_crtc_mode_set(struct drm_crtc *crtc, |
f564048e | 5988 | int x, int y, |
94352cf9 | 5989 | struct drm_framebuffer *fb) |
f564048e EA |
5990 | { |
5991 | struct drm_device *dev = crtc->dev; | |
5992 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9256aa19 DV |
5993 | struct drm_encoder_helper_funcs *encoder_funcs; |
5994 | struct intel_encoder *encoder; | |
0b701d27 | 5995 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
b8cecdf5 DV |
5996 | struct drm_display_mode *adjusted_mode = |
5997 | &intel_crtc->config.adjusted_mode; | |
5998 | struct drm_display_mode *mode = &intel_crtc->config.requested_mode; | |
0b701d27 | 5999 | int pipe = intel_crtc->pipe; |
f564048e EA |
6000 | int ret; |
6001 | ||
0b701d27 | 6002 | drm_vblank_pre_modeset(dev, pipe); |
7662c8bd | 6003 | |
b8cecdf5 DV |
6004 | ret = dev_priv->display.crtc_mode_set(crtc, x, y, fb); |
6005 | ||
79e53945 | 6006 | drm_vblank_post_modeset(dev, pipe); |
5c3b82e2 | 6007 | |
9256aa19 DV |
6008 | if (ret != 0) |
6009 | return ret; | |
6010 | ||
6011 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
6012 | DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n", | |
6013 | encoder->base.base.id, | |
6014 | drm_get_encoder_name(&encoder->base), | |
6015 | mode->base.id, mode->name); | |
6cc5f341 DV |
6016 | if (encoder->mode_set) { |
6017 | encoder->mode_set(encoder); | |
6018 | } else { | |
6019 | encoder_funcs = encoder->base.helper_private; | |
6020 | encoder_funcs->mode_set(&encoder->base, mode, adjusted_mode); | |
6021 | } | |
9256aa19 DV |
6022 | } |
6023 | ||
6024 | return 0; | |
79e53945 JB |
6025 | } |
6026 | ||
3a9627f4 WF |
6027 | static bool intel_eld_uptodate(struct drm_connector *connector, |
6028 | int reg_eldv, uint32_t bits_eldv, | |
6029 | int reg_elda, uint32_t bits_elda, | |
6030 | int reg_edid) | |
6031 | { | |
6032 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
6033 | uint8_t *eld = connector->eld; | |
6034 | uint32_t i; | |
6035 | ||
6036 | i = I915_READ(reg_eldv); | |
6037 | i &= bits_eldv; | |
6038 | ||
6039 | if (!eld[0]) | |
6040 | return !i; | |
6041 | ||
6042 | if (!i) | |
6043 | return false; | |
6044 | ||
6045 | i = I915_READ(reg_elda); | |
6046 | i &= ~bits_elda; | |
6047 | I915_WRITE(reg_elda, i); | |
6048 | ||
6049 | for (i = 0; i < eld[2]; i++) | |
6050 | if (I915_READ(reg_edid) != *((uint32_t *)eld + i)) | |
6051 | return false; | |
6052 | ||
6053 | return true; | |
6054 | } | |
6055 | ||
e0dac65e WF |
6056 | static void g4x_write_eld(struct drm_connector *connector, |
6057 | struct drm_crtc *crtc) | |
6058 | { | |
6059 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
6060 | uint8_t *eld = connector->eld; | |
6061 | uint32_t eldv; | |
6062 | uint32_t len; | |
6063 | uint32_t i; | |
6064 | ||
6065 | i = I915_READ(G4X_AUD_VID_DID); | |
6066 | ||
6067 | if (i == INTEL_AUDIO_DEVBLC || i == INTEL_AUDIO_DEVCL) | |
6068 | eldv = G4X_ELDV_DEVCL_DEVBLC; | |
6069 | else | |
6070 | eldv = G4X_ELDV_DEVCTG; | |
6071 | ||
3a9627f4 WF |
6072 | if (intel_eld_uptodate(connector, |
6073 | G4X_AUD_CNTL_ST, eldv, | |
6074 | G4X_AUD_CNTL_ST, G4X_ELD_ADDR, | |
6075 | G4X_HDMIW_HDMIEDID)) | |
6076 | return; | |
6077 | ||
e0dac65e WF |
6078 | i = I915_READ(G4X_AUD_CNTL_ST); |
6079 | i &= ~(eldv | G4X_ELD_ADDR); | |
6080 | len = (i >> 9) & 0x1f; /* ELD buffer size */ | |
6081 | I915_WRITE(G4X_AUD_CNTL_ST, i); | |
6082 | ||
6083 | if (!eld[0]) | |
6084 | return; | |
6085 | ||
6086 | len = min_t(uint8_t, eld[2], len); | |
6087 | DRM_DEBUG_DRIVER("ELD size %d\n", len); | |
6088 | for (i = 0; i < len; i++) | |
6089 | I915_WRITE(G4X_HDMIW_HDMIEDID, *((uint32_t *)eld + i)); | |
6090 | ||
6091 | i = I915_READ(G4X_AUD_CNTL_ST); | |
6092 | i |= eldv; | |
6093 | I915_WRITE(G4X_AUD_CNTL_ST, i); | |
6094 | } | |
6095 | ||
83358c85 WX |
6096 | static void haswell_write_eld(struct drm_connector *connector, |
6097 | struct drm_crtc *crtc) | |
6098 | { | |
6099 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
6100 | uint8_t *eld = connector->eld; | |
6101 | struct drm_device *dev = crtc->dev; | |
7b9f35a6 | 6102 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
83358c85 WX |
6103 | uint32_t eldv; |
6104 | uint32_t i; | |
6105 | int len; | |
6106 | int pipe = to_intel_crtc(crtc)->pipe; | |
6107 | int tmp; | |
6108 | ||
6109 | int hdmiw_hdmiedid = HSW_AUD_EDID_DATA(pipe); | |
6110 | int aud_cntl_st = HSW_AUD_DIP_ELD_CTRL(pipe); | |
6111 | int aud_config = HSW_AUD_CFG(pipe); | |
6112 | int aud_cntrl_st2 = HSW_AUD_PIN_ELD_CP_VLD; | |
6113 | ||
6114 | ||
6115 | DRM_DEBUG_DRIVER("HDMI: Haswell Audio initialize....\n"); | |
6116 | ||
6117 | /* Audio output enable */ | |
6118 | DRM_DEBUG_DRIVER("HDMI audio: enable codec\n"); | |
6119 | tmp = I915_READ(aud_cntrl_st2); | |
6120 | tmp |= (AUDIO_OUTPUT_ENABLE_A << (pipe * 4)); | |
6121 | I915_WRITE(aud_cntrl_st2, tmp); | |
6122 | ||
6123 | /* Wait for 1 vertical blank */ | |
6124 | intel_wait_for_vblank(dev, pipe); | |
6125 | ||
6126 | /* Set ELD valid state */ | |
6127 | tmp = I915_READ(aud_cntrl_st2); | |
6128 | DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%8x\n", tmp); | |
6129 | tmp |= (AUDIO_ELD_VALID_A << (pipe * 4)); | |
6130 | I915_WRITE(aud_cntrl_st2, tmp); | |
6131 | tmp = I915_READ(aud_cntrl_st2); | |
6132 | DRM_DEBUG_DRIVER("HDMI audio: eld vld status=0x%8x\n", tmp); | |
6133 | ||
6134 | /* Enable HDMI mode */ | |
6135 | tmp = I915_READ(aud_config); | |
6136 | DRM_DEBUG_DRIVER("HDMI audio: audio conf: 0x%8x\n", tmp); | |
6137 | /* clear N_programing_enable and N_value_index */ | |
6138 | tmp &= ~(AUD_CONFIG_N_VALUE_INDEX | AUD_CONFIG_N_PROG_ENABLE); | |
6139 | I915_WRITE(aud_config, tmp); | |
6140 | ||
6141 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); | |
6142 | ||
6143 | eldv = AUDIO_ELD_VALID_A << (pipe * 4); | |
7b9f35a6 | 6144 | intel_crtc->eld_vld = true; |
83358c85 WX |
6145 | |
6146 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { | |
6147 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); | |
6148 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ | |
6149 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ | |
6150 | } else | |
6151 | I915_WRITE(aud_config, 0); | |
6152 | ||
6153 | if (intel_eld_uptodate(connector, | |
6154 | aud_cntrl_st2, eldv, | |
6155 | aud_cntl_st, IBX_ELD_ADDRESS, | |
6156 | hdmiw_hdmiedid)) | |
6157 | return; | |
6158 | ||
6159 | i = I915_READ(aud_cntrl_st2); | |
6160 | i &= ~eldv; | |
6161 | I915_WRITE(aud_cntrl_st2, i); | |
6162 | ||
6163 | if (!eld[0]) | |
6164 | return; | |
6165 | ||
6166 | i = I915_READ(aud_cntl_st); | |
6167 | i &= ~IBX_ELD_ADDRESS; | |
6168 | I915_WRITE(aud_cntl_st, i); | |
6169 | i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */ | |
6170 | DRM_DEBUG_DRIVER("port num:%d\n", i); | |
6171 | ||
6172 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ | |
6173 | DRM_DEBUG_DRIVER("ELD size %d\n", len); | |
6174 | for (i = 0; i < len; i++) | |
6175 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); | |
6176 | ||
6177 | i = I915_READ(aud_cntrl_st2); | |
6178 | i |= eldv; | |
6179 | I915_WRITE(aud_cntrl_st2, i); | |
6180 | ||
6181 | } | |
6182 | ||
e0dac65e WF |
6183 | static void ironlake_write_eld(struct drm_connector *connector, |
6184 | struct drm_crtc *crtc) | |
6185 | { | |
6186 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
6187 | uint8_t *eld = connector->eld; | |
6188 | uint32_t eldv; | |
6189 | uint32_t i; | |
6190 | int len; | |
6191 | int hdmiw_hdmiedid; | |
b6daa025 | 6192 | int aud_config; |
e0dac65e WF |
6193 | int aud_cntl_st; |
6194 | int aud_cntrl_st2; | |
9b138a83 | 6195 | int pipe = to_intel_crtc(crtc)->pipe; |
e0dac65e | 6196 | |
b3f33cbf | 6197 | if (HAS_PCH_IBX(connector->dev)) { |
9b138a83 WX |
6198 | hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID(pipe); |
6199 | aud_config = IBX_AUD_CFG(pipe); | |
6200 | aud_cntl_st = IBX_AUD_CNTL_ST(pipe); | |
1202b4c6 | 6201 | aud_cntrl_st2 = IBX_AUD_CNTL_ST2; |
e0dac65e | 6202 | } else { |
9b138a83 WX |
6203 | hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID(pipe); |
6204 | aud_config = CPT_AUD_CFG(pipe); | |
6205 | aud_cntl_st = CPT_AUD_CNTL_ST(pipe); | |
1202b4c6 | 6206 | aud_cntrl_st2 = CPT_AUD_CNTRL_ST2; |
e0dac65e WF |
6207 | } |
6208 | ||
9b138a83 | 6209 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); |
e0dac65e WF |
6210 | |
6211 | i = I915_READ(aud_cntl_st); | |
9b138a83 | 6212 | i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */ |
e0dac65e WF |
6213 | if (!i) { |
6214 | DRM_DEBUG_DRIVER("Audio directed to unknown port\n"); | |
6215 | /* operate blindly on all ports */ | |
1202b4c6 WF |
6216 | eldv = IBX_ELD_VALIDB; |
6217 | eldv |= IBX_ELD_VALIDB << 4; | |
6218 | eldv |= IBX_ELD_VALIDB << 8; | |
e0dac65e | 6219 | } else { |
2582a850 | 6220 | DRM_DEBUG_DRIVER("ELD on port %c\n", port_name(i)); |
1202b4c6 | 6221 | eldv = IBX_ELD_VALIDB << ((i - 1) * 4); |
e0dac65e WF |
6222 | } |
6223 | ||
3a9627f4 WF |
6224 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
6225 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); | |
6226 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ | |
b6daa025 WF |
6227 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ |
6228 | } else | |
6229 | I915_WRITE(aud_config, 0); | |
e0dac65e | 6230 | |
3a9627f4 WF |
6231 | if (intel_eld_uptodate(connector, |
6232 | aud_cntrl_st2, eldv, | |
6233 | aud_cntl_st, IBX_ELD_ADDRESS, | |
6234 | hdmiw_hdmiedid)) | |
6235 | return; | |
6236 | ||
e0dac65e WF |
6237 | i = I915_READ(aud_cntrl_st2); |
6238 | i &= ~eldv; | |
6239 | I915_WRITE(aud_cntrl_st2, i); | |
6240 | ||
6241 | if (!eld[0]) | |
6242 | return; | |
6243 | ||
e0dac65e | 6244 | i = I915_READ(aud_cntl_st); |
1202b4c6 | 6245 | i &= ~IBX_ELD_ADDRESS; |
e0dac65e WF |
6246 | I915_WRITE(aud_cntl_st, i); |
6247 | ||
6248 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ | |
6249 | DRM_DEBUG_DRIVER("ELD size %d\n", len); | |
6250 | for (i = 0; i < len; i++) | |
6251 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); | |
6252 | ||
6253 | i = I915_READ(aud_cntrl_st2); | |
6254 | i |= eldv; | |
6255 | I915_WRITE(aud_cntrl_st2, i); | |
6256 | } | |
6257 | ||
6258 | void intel_write_eld(struct drm_encoder *encoder, | |
6259 | struct drm_display_mode *mode) | |
6260 | { | |
6261 | struct drm_crtc *crtc = encoder->crtc; | |
6262 | struct drm_connector *connector; | |
6263 | struct drm_device *dev = encoder->dev; | |
6264 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6265 | ||
6266 | connector = drm_select_eld(encoder, mode); | |
6267 | if (!connector) | |
6268 | return; | |
6269 | ||
6270 | DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", | |
6271 | connector->base.id, | |
6272 | drm_get_connector_name(connector), | |
6273 | connector->encoder->base.id, | |
6274 | drm_get_encoder_name(connector->encoder)); | |
6275 | ||
6276 | connector->eld[6] = drm_av_sync_delay(connector, mode) / 2; | |
6277 | ||
6278 | if (dev_priv->display.write_eld) | |
6279 | dev_priv->display.write_eld(connector, crtc); | |
6280 | } | |
6281 | ||
79e53945 JB |
6282 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ |
6283 | void intel_crtc_load_lut(struct drm_crtc *crtc) | |
6284 | { | |
6285 | struct drm_device *dev = crtc->dev; | |
6286 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6287 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9db4a9c7 | 6288 | int palreg = PALETTE(intel_crtc->pipe); |
79e53945 JB |
6289 | int i; |
6290 | ||
6291 | /* The clocks have to be on to load the palette. */ | |
aed3f09d | 6292 | if (!crtc->enabled || !intel_crtc->active) |
79e53945 JB |
6293 | return; |
6294 | ||
f2b115e6 | 6295 | /* use legacy palette for Ironlake */ |
bad720ff | 6296 | if (HAS_PCH_SPLIT(dev)) |
9db4a9c7 | 6297 | palreg = LGC_PALETTE(intel_crtc->pipe); |
2c07245f | 6298 | |
79e53945 JB |
6299 | for (i = 0; i < 256; i++) { |
6300 | I915_WRITE(palreg + 4 * i, | |
6301 | (intel_crtc->lut_r[i] << 16) | | |
6302 | (intel_crtc->lut_g[i] << 8) | | |
6303 | intel_crtc->lut_b[i]); | |
6304 | } | |
6305 | } | |
6306 | ||
560b85bb CW |
6307 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
6308 | { | |
6309 | struct drm_device *dev = crtc->dev; | |
6310 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6311 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6312 | bool visible = base != 0; | |
6313 | u32 cntl; | |
6314 | ||
6315 | if (intel_crtc->cursor_visible == visible) | |
6316 | return; | |
6317 | ||
9db4a9c7 | 6318 | cntl = I915_READ(_CURACNTR); |
560b85bb CW |
6319 | if (visible) { |
6320 | /* On these chipsets we can only modify the base whilst | |
6321 | * the cursor is disabled. | |
6322 | */ | |
9db4a9c7 | 6323 | I915_WRITE(_CURABASE, base); |
560b85bb CW |
6324 | |
6325 | cntl &= ~(CURSOR_FORMAT_MASK); | |
6326 | /* XXX width must be 64, stride 256 => 0x00 << 28 */ | |
6327 | cntl |= CURSOR_ENABLE | | |
6328 | CURSOR_GAMMA_ENABLE | | |
6329 | CURSOR_FORMAT_ARGB; | |
6330 | } else | |
6331 | cntl &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE); | |
9db4a9c7 | 6332 | I915_WRITE(_CURACNTR, cntl); |
560b85bb CW |
6333 | |
6334 | intel_crtc->cursor_visible = visible; | |
6335 | } | |
6336 | ||
6337 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) | |
6338 | { | |
6339 | struct drm_device *dev = crtc->dev; | |
6340 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6341 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6342 | int pipe = intel_crtc->pipe; | |
6343 | bool visible = base != 0; | |
6344 | ||
6345 | if (intel_crtc->cursor_visible != visible) { | |
548f245b | 6346 | uint32_t cntl = I915_READ(CURCNTR(pipe)); |
560b85bb CW |
6347 | if (base) { |
6348 | cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); | |
6349 | cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; | |
6350 | cntl |= pipe << 28; /* Connect to correct pipe */ | |
6351 | } else { | |
6352 | cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); | |
6353 | cntl |= CURSOR_MODE_DISABLE; | |
6354 | } | |
9db4a9c7 | 6355 | I915_WRITE(CURCNTR(pipe), cntl); |
560b85bb CW |
6356 | |
6357 | intel_crtc->cursor_visible = visible; | |
6358 | } | |
6359 | /* and commit changes on next vblank */ | |
9db4a9c7 | 6360 | I915_WRITE(CURBASE(pipe), base); |
560b85bb CW |
6361 | } |
6362 | ||
65a21cd6 JB |
6363 | static void ivb_update_cursor(struct drm_crtc *crtc, u32 base) |
6364 | { | |
6365 | struct drm_device *dev = crtc->dev; | |
6366 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6367 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6368 | int pipe = intel_crtc->pipe; | |
6369 | bool visible = base != 0; | |
6370 | ||
6371 | if (intel_crtc->cursor_visible != visible) { | |
6372 | uint32_t cntl = I915_READ(CURCNTR_IVB(pipe)); | |
6373 | if (base) { | |
6374 | cntl &= ~CURSOR_MODE; | |
6375 | cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; | |
6376 | } else { | |
6377 | cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); | |
6378 | cntl |= CURSOR_MODE_DISABLE; | |
6379 | } | |
86d3efce VS |
6380 | if (IS_HASWELL(dev)) |
6381 | cntl |= CURSOR_PIPE_CSC_ENABLE; | |
65a21cd6 JB |
6382 | I915_WRITE(CURCNTR_IVB(pipe), cntl); |
6383 | ||
6384 | intel_crtc->cursor_visible = visible; | |
6385 | } | |
6386 | /* and commit changes on next vblank */ | |
6387 | I915_WRITE(CURBASE_IVB(pipe), base); | |
6388 | } | |
6389 | ||
cda4b7d3 | 6390 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f CW |
6391 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
6392 | bool on) | |
cda4b7d3 CW |
6393 | { |
6394 | struct drm_device *dev = crtc->dev; | |
6395 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6396 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6397 | int pipe = intel_crtc->pipe; | |
6398 | int x = intel_crtc->cursor_x; | |
6399 | int y = intel_crtc->cursor_y; | |
560b85bb | 6400 | u32 base, pos; |
cda4b7d3 CW |
6401 | bool visible; |
6402 | ||
6403 | pos = 0; | |
6404 | ||
6b383a7f | 6405 | if (on && crtc->enabled && crtc->fb) { |
cda4b7d3 CW |
6406 | base = intel_crtc->cursor_addr; |
6407 | if (x > (int) crtc->fb->width) | |
6408 | base = 0; | |
6409 | ||
6410 | if (y > (int) crtc->fb->height) | |
6411 | base = 0; | |
6412 | } else | |
6413 | base = 0; | |
6414 | ||
6415 | if (x < 0) { | |
6416 | if (x + intel_crtc->cursor_width < 0) | |
6417 | base = 0; | |
6418 | ||
6419 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
6420 | x = -x; | |
6421 | } | |
6422 | pos |= x << CURSOR_X_SHIFT; | |
6423 | ||
6424 | if (y < 0) { | |
6425 | if (y + intel_crtc->cursor_height < 0) | |
6426 | base = 0; | |
6427 | ||
6428 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
6429 | y = -y; | |
6430 | } | |
6431 | pos |= y << CURSOR_Y_SHIFT; | |
6432 | ||
6433 | visible = base != 0; | |
560b85bb | 6434 | if (!visible && !intel_crtc->cursor_visible) |
cda4b7d3 CW |
6435 | return; |
6436 | ||
0cd83aa9 | 6437 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
65a21cd6 JB |
6438 | I915_WRITE(CURPOS_IVB(pipe), pos); |
6439 | ivb_update_cursor(crtc, base); | |
6440 | } else { | |
6441 | I915_WRITE(CURPOS(pipe), pos); | |
6442 | if (IS_845G(dev) || IS_I865G(dev)) | |
6443 | i845_update_cursor(crtc, base); | |
6444 | else | |
6445 | i9xx_update_cursor(crtc, base); | |
6446 | } | |
cda4b7d3 CW |
6447 | } |
6448 | ||
79e53945 | 6449 | static int intel_crtc_cursor_set(struct drm_crtc *crtc, |
05394f39 | 6450 | struct drm_file *file, |
79e53945 JB |
6451 | uint32_t handle, |
6452 | uint32_t width, uint32_t height) | |
6453 | { | |
6454 | struct drm_device *dev = crtc->dev; | |
6455 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6456 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
05394f39 | 6457 | struct drm_i915_gem_object *obj; |
cda4b7d3 | 6458 | uint32_t addr; |
3f8bc370 | 6459 | int ret; |
79e53945 | 6460 | |
79e53945 JB |
6461 | /* if we want to turn off the cursor ignore width and height */ |
6462 | if (!handle) { | |
28c97730 | 6463 | DRM_DEBUG_KMS("cursor off\n"); |
3f8bc370 | 6464 | addr = 0; |
05394f39 | 6465 | obj = NULL; |
5004417d | 6466 | mutex_lock(&dev->struct_mutex); |
3f8bc370 | 6467 | goto finish; |
79e53945 JB |
6468 | } |
6469 | ||
6470 | /* Currently we only support 64x64 cursors */ | |
6471 | if (width != 64 || height != 64) { | |
6472 | DRM_ERROR("we currently only support 64x64 cursors\n"); | |
6473 | return -EINVAL; | |
6474 | } | |
6475 | ||
05394f39 | 6476 | obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle)); |
c8725226 | 6477 | if (&obj->base == NULL) |
79e53945 JB |
6478 | return -ENOENT; |
6479 | ||
05394f39 | 6480 | if (obj->base.size < width * height * 4) { |
79e53945 | 6481 | DRM_ERROR("buffer is to small\n"); |
34b8686e DA |
6482 | ret = -ENOMEM; |
6483 | goto fail; | |
79e53945 JB |
6484 | } |
6485 | ||
71acb5eb | 6486 | /* we only need to pin inside GTT if cursor is non-phy */ |
7f9872e0 | 6487 | mutex_lock(&dev->struct_mutex); |
b295d1b6 | 6488 | if (!dev_priv->info->cursor_needs_physical) { |
693db184 CW |
6489 | unsigned alignment; |
6490 | ||
d9e86c0e CW |
6491 | if (obj->tiling_mode) { |
6492 | DRM_ERROR("cursor cannot be tiled\n"); | |
6493 | ret = -EINVAL; | |
6494 | goto fail_locked; | |
6495 | } | |
6496 | ||
693db184 CW |
6497 | /* Note that the w/a also requires 2 PTE of padding following |
6498 | * the bo. We currently fill all unused PTE with the shadow | |
6499 | * page and so we should always have valid PTE following the | |
6500 | * cursor preventing the VT-d warning. | |
6501 | */ | |
6502 | alignment = 0; | |
6503 | if (need_vtd_wa(dev)) | |
6504 | alignment = 64*1024; | |
6505 | ||
6506 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, NULL); | |
e7b526bb CW |
6507 | if (ret) { |
6508 | DRM_ERROR("failed to move cursor bo into the GTT\n"); | |
2da3b9b9 | 6509 | goto fail_locked; |
e7b526bb CW |
6510 | } |
6511 | ||
d9e86c0e CW |
6512 | ret = i915_gem_object_put_fence(obj); |
6513 | if (ret) { | |
2da3b9b9 | 6514 | DRM_ERROR("failed to release fence for cursor"); |
d9e86c0e CW |
6515 | goto fail_unpin; |
6516 | } | |
6517 | ||
05394f39 | 6518 | addr = obj->gtt_offset; |
71acb5eb | 6519 | } else { |
6eeefaf3 | 6520 | int align = IS_I830(dev) ? 16 * 1024 : 256; |
05394f39 | 6521 | ret = i915_gem_attach_phys_object(dev, obj, |
6eeefaf3 CW |
6522 | (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1, |
6523 | align); | |
71acb5eb DA |
6524 | if (ret) { |
6525 | DRM_ERROR("failed to attach phys object\n"); | |
7f9872e0 | 6526 | goto fail_locked; |
71acb5eb | 6527 | } |
05394f39 | 6528 | addr = obj->phys_obj->handle->busaddr; |
3f8bc370 KH |
6529 | } |
6530 | ||
a6c45cf0 | 6531 | if (IS_GEN2(dev)) |
14b60391 JB |
6532 | I915_WRITE(CURSIZE, (height << 12) | width); |
6533 | ||
3f8bc370 | 6534 | finish: |
3f8bc370 | 6535 | if (intel_crtc->cursor_bo) { |
b295d1b6 | 6536 | if (dev_priv->info->cursor_needs_physical) { |
05394f39 | 6537 | if (intel_crtc->cursor_bo != obj) |
71acb5eb DA |
6538 | i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo); |
6539 | } else | |
6540 | i915_gem_object_unpin(intel_crtc->cursor_bo); | |
05394f39 | 6541 | drm_gem_object_unreference(&intel_crtc->cursor_bo->base); |
3f8bc370 | 6542 | } |
80824003 | 6543 | |
7f9872e0 | 6544 | mutex_unlock(&dev->struct_mutex); |
3f8bc370 KH |
6545 | |
6546 | intel_crtc->cursor_addr = addr; | |
05394f39 | 6547 | intel_crtc->cursor_bo = obj; |
cda4b7d3 CW |
6548 | intel_crtc->cursor_width = width; |
6549 | intel_crtc->cursor_height = height; | |
6550 | ||
6b383a7f | 6551 | intel_crtc_update_cursor(crtc, true); |
3f8bc370 | 6552 | |
79e53945 | 6553 | return 0; |
e7b526bb | 6554 | fail_unpin: |
05394f39 | 6555 | i915_gem_object_unpin(obj); |
7f9872e0 | 6556 | fail_locked: |
34b8686e | 6557 | mutex_unlock(&dev->struct_mutex); |
bc9025bd | 6558 | fail: |
05394f39 | 6559 | drm_gem_object_unreference_unlocked(&obj->base); |
34b8686e | 6560 | return ret; |
79e53945 JB |
6561 | } |
6562 | ||
6563 | static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) | |
6564 | { | |
79e53945 | 6565 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 6566 | |
cda4b7d3 CW |
6567 | intel_crtc->cursor_x = x; |
6568 | intel_crtc->cursor_y = y; | |
652c393a | 6569 | |
6b383a7f | 6570 | intel_crtc_update_cursor(crtc, true); |
79e53945 JB |
6571 | |
6572 | return 0; | |
6573 | } | |
6574 | ||
6575 | /** Sets the color ramps on behalf of RandR */ | |
6576 | void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, | |
6577 | u16 blue, int regno) | |
6578 | { | |
6579 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6580 | ||
6581 | intel_crtc->lut_r[regno] = red >> 8; | |
6582 | intel_crtc->lut_g[regno] = green >> 8; | |
6583 | intel_crtc->lut_b[regno] = blue >> 8; | |
6584 | } | |
6585 | ||
b8c00ac5 DA |
6586 | void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, |
6587 | u16 *blue, int regno) | |
6588 | { | |
6589 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6590 | ||
6591 | *red = intel_crtc->lut_r[regno] << 8; | |
6592 | *green = intel_crtc->lut_g[regno] << 8; | |
6593 | *blue = intel_crtc->lut_b[regno] << 8; | |
6594 | } | |
6595 | ||
79e53945 | 6596 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 6597 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 6598 | { |
7203425a | 6599 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 6600 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 6601 | |
7203425a | 6602 | for (i = start; i < end; i++) { |
79e53945 JB |
6603 | intel_crtc->lut_r[i] = red[i] >> 8; |
6604 | intel_crtc->lut_g[i] = green[i] >> 8; | |
6605 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
6606 | } | |
6607 | ||
6608 | intel_crtc_load_lut(crtc); | |
6609 | } | |
6610 | ||
79e53945 JB |
6611 | /* VESA 640x480x72Hz mode to set on the pipe */ |
6612 | static struct drm_display_mode load_detect_mode = { | |
6613 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
6614 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
6615 | }; | |
6616 | ||
d2dff872 CW |
6617 | static struct drm_framebuffer * |
6618 | intel_framebuffer_create(struct drm_device *dev, | |
308e5bcb | 6619 | struct drm_mode_fb_cmd2 *mode_cmd, |
d2dff872 CW |
6620 | struct drm_i915_gem_object *obj) |
6621 | { | |
6622 | struct intel_framebuffer *intel_fb; | |
6623 | int ret; | |
6624 | ||
6625 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
6626 | if (!intel_fb) { | |
6627 | drm_gem_object_unreference_unlocked(&obj->base); | |
6628 | return ERR_PTR(-ENOMEM); | |
6629 | } | |
6630 | ||
6631 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
6632 | if (ret) { | |
6633 | drm_gem_object_unreference_unlocked(&obj->base); | |
6634 | kfree(intel_fb); | |
6635 | return ERR_PTR(ret); | |
6636 | } | |
6637 | ||
6638 | return &intel_fb->base; | |
6639 | } | |
6640 | ||
6641 | static u32 | |
6642 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
6643 | { | |
6644 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
6645 | return ALIGN(pitch, 64); | |
6646 | } | |
6647 | ||
6648 | static u32 | |
6649 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
6650 | { | |
6651 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
6652 | return ALIGN(pitch * mode->vdisplay, PAGE_SIZE); | |
6653 | } | |
6654 | ||
6655 | static struct drm_framebuffer * | |
6656 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
6657 | struct drm_display_mode *mode, | |
6658 | int depth, int bpp) | |
6659 | { | |
6660 | struct drm_i915_gem_object *obj; | |
0fed39bd | 6661 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
6662 | |
6663 | obj = i915_gem_alloc_object(dev, | |
6664 | intel_framebuffer_size_for_mode(mode, bpp)); | |
6665 | if (obj == NULL) | |
6666 | return ERR_PTR(-ENOMEM); | |
6667 | ||
6668 | mode_cmd.width = mode->hdisplay; | |
6669 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
6670 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
6671 | bpp); | |
5ca0c34a | 6672 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 CW |
6673 | |
6674 | return intel_framebuffer_create(dev, &mode_cmd, obj); | |
6675 | } | |
6676 | ||
6677 | static struct drm_framebuffer * | |
6678 | mode_fits_in_fbdev(struct drm_device *dev, | |
6679 | struct drm_display_mode *mode) | |
6680 | { | |
6681 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6682 | struct drm_i915_gem_object *obj; | |
6683 | struct drm_framebuffer *fb; | |
6684 | ||
6685 | if (dev_priv->fbdev == NULL) | |
6686 | return NULL; | |
6687 | ||
6688 | obj = dev_priv->fbdev->ifb.obj; | |
6689 | if (obj == NULL) | |
6690 | return NULL; | |
6691 | ||
6692 | fb = &dev_priv->fbdev->ifb.base; | |
01f2c773 VS |
6693 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
6694 | fb->bits_per_pixel)) | |
d2dff872 CW |
6695 | return NULL; |
6696 | ||
01f2c773 | 6697 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
6698 | return NULL; |
6699 | ||
6700 | return fb; | |
6701 | } | |
6702 | ||
d2434ab7 | 6703 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 6704 | struct drm_display_mode *mode, |
8261b191 | 6705 | struct intel_load_detect_pipe *old) |
79e53945 JB |
6706 | { |
6707 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
6708 | struct intel_encoder *intel_encoder = |
6709 | intel_attached_encoder(connector); | |
79e53945 | 6710 | struct drm_crtc *possible_crtc; |
4ef69c7a | 6711 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
6712 | struct drm_crtc *crtc = NULL; |
6713 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 6714 | struct drm_framebuffer *fb; |
79e53945 JB |
6715 | int i = -1; |
6716 | ||
d2dff872 CW |
6717 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
6718 | connector->base.id, drm_get_connector_name(connector), | |
6719 | encoder->base.id, drm_get_encoder_name(encoder)); | |
6720 | ||
79e53945 JB |
6721 | /* |
6722 | * Algorithm gets a little messy: | |
7a5e4805 | 6723 | * |
79e53945 JB |
6724 | * - if the connector already has an assigned crtc, use it (but make |
6725 | * sure it's on first) | |
7a5e4805 | 6726 | * |
79e53945 JB |
6727 | * - try to find the first unused crtc that can drive this connector, |
6728 | * and use that if we find one | |
79e53945 JB |
6729 | */ |
6730 | ||
6731 | /* See if we already have a CRTC for this connector */ | |
6732 | if (encoder->crtc) { | |
6733 | crtc = encoder->crtc; | |
8261b191 | 6734 | |
7b24056b DV |
6735 | mutex_lock(&crtc->mutex); |
6736 | ||
24218aac | 6737 | old->dpms_mode = connector->dpms; |
8261b191 CW |
6738 | old->load_detect_temp = false; |
6739 | ||
6740 | /* Make sure the crtc and connector are running */ | |
24218aac DV |
6741 | if (connector->dpms != DRM_MODE_DPMS_ON) |
6742 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); | |
8261b191 | 6743 | |
7173188d | 6744 | return true; |
79e53945 JB |
6745 | } |
6746 | ||
6747 | /* Find an unused one (if possible) */ | |
6748 | list_for_each_entry(possible_crtc, &dev->mode_config.crtc_list, head) { | |
6749 | i++; | |
6750 | if (!(encoder->possible_crtcs & (1 << i))) | |
6751 | continue; | |
6752 | if (!possible_crtc->enabled) { | |
6753 | crtc = possible_crtc; | |
6754 | break; | |
6755 | } | |
79e53945 JB |
6756 | } |
6757 | ||
6758 | /* | |
6759 | * If we didn't find an unused CRTC, don't use any. | |
6760 | */ | |
6761 | if (!crtc) { | |
7173188d CW |
6762 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
6763 | return false; | |
79e53945 JB |
6764 | } |
6765 | ||
7b24056b | 6766 | mutex_lock(&crtc->mutex); |
fc303101 DV |
6767 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
6768 | to_intel_connector(connector)->new_encoder = intel_encoder; | |
79e53945 JB |
6769 | |
6770 | intel_crtc = to_intel_crtc(crtc); | |
24218aac | 6771 | old->dpms_mode = connector->dpms; |
8261b191 | 6772 | old->load_detect_temp = true; |
d2dff872 | 6773 | old->release_fb = NULL; |
79e53945 | 6774 | |
6492711d CW |
6775 | if (!mode) |
6776 | mode = &load_detect_mode; | |
79e53945 | 6777 | |
d2dff872 CW |
6778 | /* We need a framebuffer large enough to accommodate all accesses |
6779 | * that the plane may generate whilst we perform load detection. | |
6780 | * We can not rely on the fbcon either being present (we get called | |
6781 | * during its initialisation to detect all boot displays, or it may | |
6782 | * not even exist) or that it is large enough to satisfy the | |
6783 | * requested mode. | |
6784 | */ | |
94352cf9 DV |
6785 | fb = mode_fits_in_fbdev(dev, mode); |
6786 | if (fb == NULL) { | |
d2dff872 | 6787 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 DV |
6788 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
6789 | old->release_fb = fb; | |
d2dff872 CW |
6790 | } else |
6791 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 6792 | if (IS_ERR(fb)) { |
d2dff872 | 6793 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
7b24056b | 6794 | mutex_unlock(&crtc->mutex); |
0e8b3d3e | 6795 | return false; |
79e53945 | 6796 | } |
79e53945 | 6797 | |
c0c36b94 | 6798 | if (intel_set_mode(crtc, mode, 0, 0, fb)) { |
6492711d | 6799 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
d2dff872 CW |
6800 | if (old->release_fb) |
6801 | old->release_fb->funcs->destroy(old->release_fb); | |
7b24056b | 6802 | mutex_unlock(&crtc->mutex); |
0e8b3d3e | 6803 | return false; |
79e53945 | 6804 | } |
7173188d | 6805 | |
79e53945 | 6806 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 6807 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 6808 | return true; |
79e53945 JB |
6809 | } |
6810 | ||
d2434ab7 | 6811 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
8261b191 | 6812 | struct intel_load_detect_pipe *old) |
79e53945 | 6813 | { |
d2434ab7 DV |
6814 | struct intel_encoder *intel_encoder = |
6815 | intel_attached_encoder(connector); | |
4ef69c7a | 6816 | struct drm_encoder *encoder = &intel_encoder->base; |
7b24056b | 6817 | struct drm_crtc *crtc = encoder->crtc; |
79e53945 | 6818 | |
d2dff872 CW |
6819 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
6820 | connector->base.id, drm_get_connector_name(connector), | |
6821 | encoder->base.id, drm_get_encoder_name(encoder)); | |
6822 | ||
8261b191 | 6823 | if (old->load_detect_temp) { |
fc303101 DV |
6824 | to_intel_connector(connector)->new_encoder = NULL; |
6825 | intel_encoder->new_crtc = NULL; | |
6826 | intel_set_mode(crtc, NULL, 0, 0, NULL); | |
d2dff872 | 6827 | |
36206361 DV |
6828 | if (old->release_fb) { |
6829 | drm_framebuffer_unregister_private(old->release_fb); | |
6830 | drm_framebuffer_unreference(old->release_fb); | |
6831 | } | |
d2dff872 | 6832 | |
67c96400 | 6833 | mutex_unlock(&crtc->mutex); |
0622a53c | 6834 | return; |
79e53945 JB |
6835 | } |
6836 | ||
c751ce4f | 6837 | /* Switch crtc and encoder back off if necessary */ |
24218aac DV |
6838 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
6839 | connector->funcs->dpms(connector, old->dpms_mode); | |
7b24056b DV |
6840 | |
6841 | mutex_unlock(&crtc->mutex); | |
79e53945 JB |
6842 | } |
6843 | ||
6844 | /* Returns the clock of the currently programmed mode of the given pipe. */ | |
6845 | static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) | |
6846 | { | |
6847 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6848 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6849 | int pipe = intel_crtc->pipe; | |
548f245b | 6850 | u32 dpll = I915_READ(DPLL(pipe)); |
79e53945 JB |
6851 | u32 fp; |
6852 | intel_clock_t clock; | |
6853 | ||
6854 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
39adb7a5 | 6855 | fp = I915_READ(FP0(pipe)); |
79e53945 | 6856 | else |
39adb7a5 | 6857 | fp = I915_READ(FP1(pipe)); |
79e53945 JB |
6858 | |
6859 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
6860 | if (IS_PINEVIEW(dev)) { |
6861 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
6862 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
6863 | } else { |
6864 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
6865 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
6866 | } | |
6867 | ||
a6c45cf0 | 6868 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
6869 | if (IS_PINEVIEW(dev)) |
6870 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
6871 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
6872 | else |
6873 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
6874 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
6875 | ||
6876 | switch (dpll & DPLL_MODE_MASK) { | |
6877 | case DPLLB_MODE_DAC_SERIAL: | |
6878 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
6879 | 5 : 10; | |
6880 | break; | |
6881 | case DPLLB_MODE_LVDS: | |
6882 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
6883 | 7 : 14; | |
6884 | break; | |
6885 | default: | |
28c97730 | 6886 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 JB |
6887 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
6888 | return 0; | |
6889 | } | |
6890 | ||
6891 | /* XXX: Handle the 100Mhz refclk */ | |
2177832f | 6892 | intel_clock(dev, 96000, &clock); |
79e53945 JB |
6893 | } else { |
6894 | bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN); | |
6895 | ||
6896 | if (is_lvds) { | |
6897 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
6898 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
6899 | clock.p2 = 14; | |
6900 | ||
6901 | if ((dpll & PLL_REF_INPUT_MASK) == | |
6902 | PLLB_REF_INPUT_SPREADSPECTRUMIN) { | |
6903 | /* XXX: might not be 66MHz */ | |
2177832f | 6904 | intel_clock(dev, 66000, &clock); |
79e53945 | 6905 | } else |
2177832f | 6906 | intel_clock(dev, 48000, &clock); |
79e53945 JB |
6907 | } else { |
6908 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
6909 | clock.p1 = 2; | |
6910 | else { | |
6911 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
6912 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
6913 | } | |
6914 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
6915 | clock.p2 = 4; | |
6916 | else | |
6917 | clock.p2 = 2; | |
6918 | ||
2177832f | 6919 | intel_clock(dev, 48000, &clock); |
79e53945 JB |
6920 | } |
6921 | } | |
6922 | ||
6923 | /* XXX: It would be nice to validate the clocks, but we can't reuse | |
6924 | * i830PllIsValid() because it relies on the xf86_config connector | |
6925 | * configuration being accurate, which it isn't necessarily. | |
6926 | */ | |
6927 | ||
6928 | return clock.dot; | |
6929 | } | |
6930 | ||
6931 | /** Returns the currently programmed mode of the given pipe. */ | |
6932 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
6933 | struct drm_crtc *crtc) | |
6934 | { | |
548f245b | 6935 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 6936 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3b117c8f | 6937 | enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; |
79e53945 | 6938 | struct drm_display_mode *mode; |
fe2b8f9d PZ |
6939 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
6940 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
6941 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
6942 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
79e53945 JB |
6943 | |
6944 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
6945 | if (!mode) | |
6946 | return NULL; | |
6947 | ||
6948 | mode->clock = intel_crtc_clock_get(dev, crtc); | |
6949 | mode->hdisplay = (htot & 0xffff) + 1; | |
6950 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
6951 | mode->hsync_start = (hsync & 0xffff) + 1; | |
6952 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
6953 | mode->vdisplay = (vtot & 0xffff) + 1; | |
6954 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
6955 | mode->vsync_start = (vsync & 0xffff) + 1; | |
6956 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
6957 | ||
6958 | drm_mode_set_name(mode); | |
79e53945 JB |
6959 | |
6960 | return mode; | |
6961 | } | |
6962 | ||
3dec0095 | 6963 | static void intel_increase_pllclock(struct drm_crtc *crtc) |
652c393a JB |
6964 | { |
6965 | struct drm_device *dev = crtc->dev; | |
6966 | drm_i915_private_t *dev_priv = dev->dev_private; | |
6967 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6968 | int pipe = intel_crtc->pipe; | |
dbdc6479 JB |
6969 | int dpll_reg = DPLL(pipe); |
6970 | int dpll; | |
652c393a | 6971 | |
bad720ff | 6972 | if (HAS_PCH_SPLIT(dev)) |
652c393a JB |
6973 | return; |
6974 | ||
6975 | if (!dev_priv->lvds_downclock_avail) | |
6976 | return; | |
6977 | ||
dbdc6479 | 6978 | dpll = I915_READ(dpll_reg); |
652c393a | 6979 | if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) { |
44d98a61 | 6980 | DRM_DEBUG_DRIVER("upclocking LVDS\n"); |
652c393a | 6981 | |
8ac5a6d5 | 6982 | assert_panel_unlocked(dev_priv, pipe); |
652c393a JB |
6983 | |
6984 | dpll &= ~DISPLAY_RATE_SELECT_FPA1; | |
6985 | I915_WRITE(dpll_reg, dpll); | |
9d0498a2 | 6986 | intel_wait_for_vblank(dev, pipe); |
dbdc6479 | 6987 | |
652c393a JB |
6988 | dpll = I915_READ(dpll_reg); |
6989 | if (dpll & DISPLAY_RATE_SELECT_FPA1) | |
44d98a61 | 6990 | DRM_DEBUG_DRIVER("failed to upclock LVDS!\n"); |
652c393a | 6991 | } |
652c393a JB |
6992 | } |
6993 | ||
6994 | static void intel_decrease_pllclock(struct drm_crtc *crtc) | |
6995 | { | |
6996 | struct drm_device *dev = crtc->dev; | |
6997 | drm_i915_private_t *dev_priv = dev->dev_private; | |
6998 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
652c393a | 6999 | |
bad720ff | 7000 | if (HAS_PCH_SPLIT(dev)) |
652c393a JB |
7001 | return; |
7002 | ||
7003 | if (!dev_priv->lvds_downclock_avail) | |
7004 | return; | |
7005 | ||
7006 | /* | |
7007 | * Since this is called by a timer, we should never get here in | |
7008 | * the manual case. | |
7009 | */ | |
7010 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { | |
dc257cf1 DV |
7011 | int pipe = intel_crtc->pipe; |
7012 | int dpll_reg = DPLL(pipe); | |
7013 | int dpll; | |
f6e5b160 | 7014 | |
44d98a61 | 7015 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
652c393a | 7016 | |
8ac5a6d5 | 7017 | assert_panel_unlocked(dev_priv, pipe); |
652c393a | 7018 | |
dc257cf1 | 7019 | dpll = I915_READ(dpll_reg); |
652c393a JB |
7020 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
7021 | I915_WRITE(dpll_reg, dpll); | |
9d0498a2 | 7022 | intel_wait_for_vblank(dev, pipe); |
652c393a JB |
7023 | dpll = I915_READ(dpll_reg); |
7024 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) | |
44d98a61 | 7025 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
652c393a JB |
7026 | } |
7027 | ||
7028 | } | |
7029 | ||
f047e395 CW |
7030 | void intel_mark_busy(struct drm_device *dev) |
7031 | { | |
f047e395 CW |
7032 | i915_update_gfx_val(dev->dev_private); |
7033 | } | |
7034 | ||
7035 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 7036 | { |
652c393a | 7037 | struct drm_crtc *crtc; |
652c393a JB |
7038 | |
7039 | if (!i915_powersave) | |
7040 | return; | |
7041 | ||
652c393a | 7042 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
652c393a JB |
7043 | if (!crtc->fb) |
7044 | continue; | |
7045 | ||
725a5b54 | 7046 | intel_decrease_pllclock(crtc); |
652c393a | 7047 | } |
652c393a JB |
7048 | } |
7049 | ||
725a5b54 | 7050 | void intel_mark_fb_busy(struct drm_i915_gem_object *obj) |
652c393a | 7051 | { |
f047e395 CW |
7052 | struct drm_device *dev = obj->base.dev; |
7053 | struct drm_crtc *crtc; | |
652c393a | 7054 | |
f047e395 | 7055 | if (!i915_powersave) |
acb87dfb CW |
7056 | return; |
7057 | ||
652c393a JB |
7058 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
7059 | if (!crtc->fb) | |
7060 | continue; | |
7061 | ||
f047e395 | 7062 | if (to_intel_framebuffer(crtc->fb)->obj == obj) |
725a5b54 | 7063 | intel_increase_pllclock(crtc); |
652c393a JB |
7064 | } |
7065 | } | |
7066 | ||
79e53945 JB |
7067 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
7068 | { | |
7069 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
7070 | struct drm_device *dev = crtc->dev; |
7071 | struct intel_unpin_work *work; | |
7072 | unsigned long flags; | |
7073 | ||
7074 | spin_lock_irqsave(&dev->event_lock, flags); | |
7075 | work = intel_crtc->unpin_work; | |
7076 | intel_crtc->unpin_work = NULL; | |
7077 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
7078 | ||
7079 | if (work) { | |
7080 | cancel_work_sync(&work->work); | |
7081 | kfree(work); | |
7082 | } | |
79e53945 JB |
7083 | |
7084 | drm_crtc_cleanup(crtc); | |
67e77c5a | 7085 | |
79e53945 JB |
7086 | kfree(intel_crtc); |
7087 | } | |
7088 | ||
6b95a207 KH |
7089 | static void intel_unpin_work_fn(struct work_struct *__work) |
7090 | { | |
7091 | struct intel_unpin_work *work = | |
7092 | container_of(__work, struct intel_unpin_work, work); | |
b4a98e57 | 7093 | struct drm_device *dev = work->crtc->dev; |
6b95a207 | 7094 | |
b4a98e57 | 7095 | mutex_lock(&dev->struct_mutex); |
1690e1eb | 7096 | intel_unpin_fb_obj(work->old_fb_obj); |
05394f39 CW |
7097 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
7098 | drm_gem_object_unreference(&work->old_fb_obj->base); | |
d9e86c0e | 7099 | |
b4a98e57 CW |
7100 | intel_update_fbc(dev); |
7101 | mutex_unlock(&dev->struct_mutex); | |
7102 | ||
7103 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); | |
7104 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); | |
7105 | ||
6b95a207 KH |
7106 | kfree(work); |
7107 | } | |
7108 | ||
1afe3e9d | 7109 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 7110 | struct drm_crtc *crtc) |
6b95a207 KH |
7111 | { |
7112 | drm_i915_private_t *dev_priv = dev->dev_private; | |
6b95a207 KH |
7113 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
7114 | struct intel_unpin_work *work; | |
6b95a207 KH |
7115 | unsigned long flags; |
7116 | ||
7117 | /* Ignore early vblank irqs */ | |
7118 | if (intel_crtc == NULL) | |
7119 | return; | |
7120 | ||
7121 | spin_lock_irqsave(&dev->event_lock, flags); | |
7122 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
7123 | |
7124 | /* Ensure we don't miss a work->pending update ... */ | |
7125 | smp_rmb(); | |
7126 | ||
7127 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
7128 | spin_unlock_irqrestore(&dev->event_lock, flags); |
7129 | return; | |
7130 | } | |
7131 | ||
e7d841ca CW |
7132 | /* and that the unpin work is consistent wrt ->pending. */ |
7133 | smp_rmb(); | |
7134 | ||
6b95a207 | 7135 | intel_crtc->unpin_work = NULL; |
6b95a207 | 7136 | |
45a066eb RC |
7137 | if (work->event) |
7138 | drm_send_vblank_event(dev, intel_crtc->pipe, work->event); | |
6b95a207 | 7139 | |
0af7e4df MK |
7140 | drm_vblank_put(dev, intel_crtc->pipe); |
7141 | ||
6b95a207 KH |
7142 | spin_unlock_irqrestore(&dev->event_lock, flags); |
7143 | ||
2c10d571 | 7144 | wake_up_all(&dev_priv->pending_flip_queue); |
b4a98e57 CW |
7145 | |
7146 | queue_work(dev_priv->wq, &work->work); | |
e5510fac JB |
7147 | |
7148 | trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); | |
6b95a207 KH |
7149 | } |
7150 | ||
1afe3e9d JB |
7151 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
7152 | { | |
7153 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7154 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
7155 | ||
49b14a5c | 7156 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
7157 | } |
7158 | ||
7159 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
7160 | { | |
7161 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7162 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; | |
7163 | ||
49b14a5c | 7164 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
7165 | } |
7166 | ||
6b95a207 KH |
7167 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
7168 | { | |
7169 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7170 | struct intel_crtc *intel_crtc = | |
7171 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
7172 | unsigned long flags; | |
7173 | ||
e7d841ca CW |
7174 | /* NB: An MMIO update of the plane base pointer will also |
7175 | * generate a page-flip completion irq, i.e. every modeset | |
7176 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
7177 | */ | |
6b95a207 | 7178 | spin_lock_irqsave(&dev->event_lock, flags); |
e7d841ca CW |
7179 | if (intel_crtc->unpin_work) |
7180 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); | |
6b95a207 KH |
7181 | spin_unlock_irqrestore(&dev->event_lock, flags); |
7182 | } | |
7183 | ||
e7d841ca CW |
7184 | inline static void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
7185 | { | |
7186 | /* Ensure that the work item is consistent when activating it ... */ | |
7187 | smp_wmb(); | |
7188 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); | |
7189 | /* and that it is marked active as soon as the irq could fire. */ | |
7190 | smp_wmb(); | |
7191 | } | |
7192 | ||
8c9f3aaf JB |
7193 | static int intel_gen2_queue_flip(struct drm_device *dev, |
7194 | struct drm_crtc *crtc, | |
7195 | struct drm_framebuffer *fb, | |
7196 | struct drm_i915_gem_object *obj) | |
7197 | { | |
7198 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7199 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8c9f3aaf | 7200 | u32 flip_mask; |
6d90c952 | 7201 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
7202 | int ret; |
7203 | ||
6d90c952 | 7204 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 7205 | if (ret) |
83d4092b | 7206 | goto err; |
8c9f3aaf | 7207 | |
6d90c952 | 7208 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 7209 | if (ret) |
83d4092b | 7210 | goto err_unpin; |
8c9f3aaf JB |
7211 | |
7212 | /* Can't queue multiple flips, so wait for the previous | |
7213 | * one to finish before executing the next. | |
7214 | */ | |
7215 | if (intel_crtc->plane) | |
7216 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
7217 | else | |
7218 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
7219 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
7220 | intel_ring_emit(ring, MI_NOOP); | |
7221 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
7222 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
7223 | intel_ring_emit(ring, fb->pitches[0]); | |
e506a0c6 | 7224 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
6d90c952 | 7225 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca CW |
7226 | |
7227 | intel_mark_page_flip_active(intel_crtc); | |
6d90c952 | 7228 | intel_ring_advance(ring); |
83d4092b CW |
7229 | return 0; |
7230 | ||
7231 | err_unpin: | |
7232 | intel_unpin_fb_obj(obj); | |
7233 | err: | |
8c9f3aaf JB |
7234 | return ret; |
7235 | } | |
7236 | ||
7237 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
7238 | struct drm_crtc *crtc, | |
7239 | struct drm_framebuffer *fb, | |
7240 | struct drm_i915_gem_object *obj) | |
7241 | { | |
7242 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7243 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8c9f3aaf | 7244 | u32 flip_mask; |
6d90c952 | 7245 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
7246 | int ret; |
7247 | ||
6d90c952 | 7248 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 7249 | if (ret) |
83d4092b | 7250 | goto err; |
8c9f3aaf | 7251 | |
6d90c952 | 7252 | ret = intel_ring_begin(ring, 6); |
8c9f3aaf | 7253 | if (ret) |
83d4092b | 7254 | goto err_unpin; |
8c9f3aaf JB |
7255 | |
7256 | if (intel_crtc->plane) | |
7257 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
7258 | else | |
7259 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
7260 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
7261 | intel_ring_emit(ring, MI_NOOP); | |
7262 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
7263 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
7264 | intel_ring_emit(ring, fb->pitches[0]); | |
e506a0c6 | 7265 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
6d90c952 DV |
7266 | intel_ring_emit(ring, MI_NOOP); |
7267 | ||
e7d841ca | 7268 | intel_mark_page_flip_active(intel_crtc); |
6d90c952 | 7269 | intel_ring_advance(ring); |
83d4092b CW |
7270 | return 0; |
7271 | ||
7272 | err_unpin: | |
7273 | intel_unpin_fb_obj(obj); | |
7274 | err: | |
8c9f3aaf JB |
7275 | return ret; |
7276 | } | |
7277 | ||
7278 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
7279 | struct drm_crtc *crtc, | |
7280 | struct drm_framebuffer *fb, | |
7281 | struct drm_i915_gem_object *obj) | |
7282 | { | |
7283 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7284 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7285 | uint32_t pf, pipesrc; | |
6d90c952 | 7286 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
7287 | int ret; |
7288 | ||
6d90c952 | 7289 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 7290 | if (ret) |
83d4092b | 7291 | goto err; |
8c9f3aaf | 7292 | |
6d90c952 | 7293 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 7294 | if (ret) |
83d4092b | 7295 | goto err_unpin; |
8c9f3aaf JB |
7296 | |
7297 | /* i965+ uses the linear or tiled offsets from the | |
7298 | * Display Registers (which do not change across a page-flip) | |
7299 | * so we need only reprogram the base address. | |
7300 | */ | |
6d90c952 DV |
7301 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
7302 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
7303 | intel_ring_emit(ring, fb->pitches[0]); | |
c2c75131 DV |
7304 | intel_ring_emit(ring, |
7305 | (obj->gtt_offset + intel_crtc->dspaddr_offset) | | |
7306 | obj->tiling_mode); | |
8c9f3aaf JB |
7307 | |
7308 | /* XXX Enabling the panel-fitter across page-flip is so far | |
7309 | * untested on non-native modes, so ignore it for now. | |
7310 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
7311 | */ | |
7312 | pf = 0; | |
7313 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 7314 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
7315 | |
7316 | intel_mark_page_flip_active(intel_crtc); | |
6d90c952 | 7317 | intel_ring_advance(ring); |
83d4092b CW |
7318 | return 0; |
7319 | ||
7320 | err_unpin: | |
7321 | intel_unpin_fb_obj(obj); | |
7322 | err: | |
8c9f3aaf JB |
7323 | return ret; |
7324 | } | |
7325 | ||
7326 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
7327 | struct drm_crtc *crtc, | |
7328 | struct drm_framebuffer *fb, | |
7329 | struct drm_i915_gem_object *obj) | |
7330 | { | |
7331 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7332 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6d90c952 | 7333 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
8c9f3aaf JB |
7334 | uint32_t pf, pipesrc; |
7335 | int ret; | |
7336 | ||
6d90c952 | 7337 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
8c9f3aaf | 7338 | if (ret) |
83d4092b | 7339 | goto err; |
8c9f3aaf | 7340 | |
6d90c952 | 7341 | ret = intel_ring_begin(ring, 4); |
8c9f3aaf | 7342 | if (ret) |
83d4092b | 7343 | goto err_unpin; |
8c9f3aaf | 7344 | |
6d90c952 DV |
7345 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
7346 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
7347 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
c2c75131 | 7348 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
8c9f3aaf | 7349 | |
dc257cf1 DV |
7350 | /* Contrary to the suggestions in the documentation, |
7351 | * "Enable Panel Fitter" does not seem to be required when page | |
7352 | * flipping with a non-native mode, and worse causes a normal | |
7353 | * modeset to fail. | |
7354 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
7355 | */ | |
7356 | pf = 0; | |
8c9f3aaf | 7357 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 7358 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca CW |
7359 | |
7360 | intel_mark_page_flip_active(intel_crtc); | |
6d90c952 | 7361 | intel_ring_advance(ring); |
83d4092b CW |
7362 | return 0; |
7363 | ||
7364 | err_unpin: | |
7365 | intel_unpin_fb_obj(obj); | |
7366 | err: | |
8c9f3aaf JB |
7367 | return ret; |
7368 | } | |
7369 | ||
7c9017e5 JB |
7370 | /* |
7371 | * On gen7 we currently use the blit ring because (in early silicon at least) | |
7372 | * the render ring doesn't give us interrpts for page flip completion, which | |
7373 | * means clients will hang after the first flip is queued. Fortunately the | |
7374 | * blit ring generates interrupts properly, so use it instead. | |
7375 | */ | |
7376 | static int intel_gen7_queue_flip(struct drm_device *dev, | |
7377 | struct drm_crtc *crtc, | |
7378 | struct drm_framebuffer *fb, | |
7379 | struct drm_i915_gem_object *obj) | |
7380 | { | |
7381 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7382 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7383 | struct intel_ring_buffer *ring = &dev_priv->ring[BCS]; | |
cb05d8de | 7384 | uint32_t plane_bit = 0; |
7c9017e5 JB |
7385 | int ret; |
7386 | ||
7387 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); | |
7388 | if (ret) | |
83d4092b | 7389 | goto err; |
7c9017e5 | 7390 | |
cb05d8de DV |
7391 | switch(intel_crtc->plane) { |
7392 | case PLANE_A: | |
7393 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
7394 | break; | |
7395 | case PLANE_B: | |
7396 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
7397 | break; | |
7398 | case PLANE_C: | |
7399 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
7400 | break; | |
7401 | default: | |
7402 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
7403 | ret = -ENODEV; | |
ab3951eb | 7404 | goto err_unpin; |
cb05d8de DV |
7405 | } |
7406 | ||
7c9017e5 JB |
7407 | ret = intel_ring_begin(ring, 4); |
7408 | if (ret) | |
83d4092b | 7409 | goto err_unpin; |
7c9017e5 | 7410 | |
cb05d8de | 7411 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 7412 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
c2c75131 | 7413 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
7c9017e5 | 7414 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca CW |
7415 | |
7416 | intel_mark_page_flip_active(intel_crtc); | |
7c9017e5 | 7417 | intel_ring_advance(ring); |
83d4092b CW |
7418 | return 0; |
7419 | ||
7420 | err_unpin: | |
7421 | intel_unpin_fb_obj(obj); | |
7422 | err: | |
7c9017e5 JB |
7423 | return ret; |
7424 | } | |
7425 | ||
8c9f3aaf JB |
7426 | static int intel_default_queue_flip(struct drm_device *dev, |
7427 | struct drm_crtc *crtc, | |
7428 | struct drm_framebuffer *fb, | |
7429 | struct drm_i915_gem_object *obj) | |
7430 | { | |
7431 | return -ENODEV; | |
7432 | } | |
7433 | ||
6b95a207 KH |
7434 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
7435 | struct drm_framebuffer *fb, | |
7436 | struct drm_pending_vblank_event *event) | |
7437 | { | |
7438 | struct drm_device *dev = crtc->dev; | |
7439 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4a35f83b VS |
7440 | struct drm_framebuffer *old_fb = crtc->fb; |
7441 | struct drm_i915_gem_object *obj = to_intel_framebuffer(fb)->obj; | |
6b95a207 KH |
7442 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
7443 | struct intel_unpin_work *work; | |
8c9f3aaf | 7444 | unsigned long flags; |
52e68630 | 7445 | int ret; |
6b95a207 | 7446 | |
e6a595d2 VS |
7447 | /* Can't change pixel format via MI display flips. */ |
7448 | if (fb->pixel_format != crtc->fb->pixel_format) | |
7449 | return -EINVAL; | |
7450 | ||
7451 | /* | |
7452 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
7453 | * Note that pitch changes could also affect these register. | |
7454 | */ | |
7455 | if (INTEL_INFO(dev)->gen > 3 && | |
7456 | (fb->offsets[0] != crtc->fb->offsets[0] || | |
7457 | fb->pitches[0] != crtc->fb->pitches[0])) | |
7458 | return -EINVAL; | |
7459 | ||
6b95a207 KH |
7460 | work = kzalloc(sizeof *work, GFP_KERNEL); |
7461 | if (work == NULL) | |
7462 | return -ENOMEM; | |
7463 | ||
6b95a207 | 7464 | work->event = event; |
b4a98e57 | 7465 | work->crtc = crtc; |
4a35f83b | 7466 | work->old_fb_obj = to_intel_framebuffer(old_fb)->obj; |
6b95a207 KH |
7467 | INIT_WORK(&work->work, intel_unpin_work_fn); |
7468 | ||
7317c75e JB |
7469 | ret = drm_vblank_get(dev, intel_crtc->pipe); |
7470 | if (ret) | |
7471 | goto free_work; | |
7472 | ||
6b95a207 KH |
7473 | /* We borrow the event spin lock for protecting unpin_work */ |
7474 | spin_lock_irqsave(&dev->event_lock, flags); | |
7475 | if (intel_crtc->unpin_work) { | |
7476 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
7477 | kfree(work); | |
7317c75e | 7478 | drm_vblank_put(dev, intel_crtc->pipe); |
468f0b44 CW |
7479 | |
7480 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
6b95a207 KH |
7481 | return -EBUSY; |
7482 | } | |
7483 | intel_crtc->unpin_work = work; | |
7484 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
7485 | ||
b4a98e57 CW |
7486 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
7487 | flush_workqueue(dev_priv->wq); | |
7488 | ||
79158103 CW |
7489 | ret = i915_mutex_lock_interruptible(dev); |
7490 | if (ret) | |
7491 | goto cleanup; | |
6b95a207 | 7492 | |
75dfca80 | 7493 | /* Reference the objects for the scheduled work. */ |
05394f39 CW |
7494 | drm_gem_object_reference(&work->old_fb_obj->base); |
7495 | drm_gem_object_reference(&obj->base); | |
6b95a207 KH |
7496 | |
7497 | crtc->fb = fb; | |
96b099fd | 7498 | |
e1f99ce6 | 7499 | work->pending_flip_obj = obj; |
e1f99ce6 | 7500 | |
4e5359cd SF |
7501 | work->enable_stall_check = true; |
7502 | ||
b4a98e57 | 7503 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 7504 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 7505 | |
8c9f3aaf JB |
7506 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj); |
7507 | if (ret) | |
7508 | goto cleanup_pending; | |
6b95a207 | 7509 | |
7782de3b | 7510 | intel_disable_fbc(dev); |
f047e395 | 7511 | intel_mark_fb_busy(obj); |
6b95a207 KH |
7512 | mutex_unlock(&dev->struct_mutex); |
7513 | ||
e5510fac JB |
7514 | trace_i915_flip_request(intel_crtc->plane, obj); |
7515 | ||
6b95a207 | 7516 | return 0; |
96b099fd | 7517 | |
8c9f3aaf | 7518 | cleanup_pending: |
b4a98e57 | 7519 | atomic_dec(&intel_crtc->unpin_work_count); |
4a35f83b | 7520 | crtc->fb = old_fb; |
05394f39 CW |
7521 | drm_gem_object_unreference(&work->old_fb_obj->base); |
7522 | drm_gem_object_unreference(&obj->base); | |
96b099fd CW |
7523 | mutex_unlock(&dev->struct_mutex); |
7524 | ||
79158103 | 7525 | cleanup: |
96b099fd CW |
7526 | spin_lock_irqsave(&dev->event_lock, flags); |
7527 | intel_crtc->unpin_work = NULL; | |
7528 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
7529 | ||
7317c75e JB |
7530 | drm_vblank_put(dev, intel_crtc->pipe); |
7531 | free_work: | |
96b099fd CW |
7532 | kfree(work); |
7533 | ||
7534 | return ret; | |
6b95a207 KH |
7535 | } |
7536 | ||
f6e5b160 | 7537 | static struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
7538 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
7539 | .load_lut = intel_crtc_load_lut, | |
f6e5b160 CW |
7540 | }; |
7541 | ||
6ed0f796 | 7542 | bool intel_encoder_check_is_cloned(struct intel_encoder *encoder) |
47f1c6c9 | 7543 | { |
6ed0f796 DV |
7544 | struct intel_encoder *other_encoder; |
7545 | struct drm_crtc *crtc = &encoder->new_crtc->base; | |
47f1c6c9 | 7546 | |
6ed0f796 DV |
7547 | if (WARN_ON(!crtc)) |
7548 | return false; | |
7549 | ||
7550 | list_for_each_entry(other_encoder, | |
7551 | &crtc->dev->mode_config.encoder_list, | |
7552 | base.head) { | |
7553 | ||
7554 | if (&other_encoder->new_crtc->base != crtc || | |
7555 | encoder == other_encoder) | |
7556 | continue; | |
7557 | else | |
7558 | return true; | |
f47166d2 CW |
7559 | } |
7560 | ||
6ed0f796 DV |
7561 | return false; |
7562 | } | |
47f1c6c9 | 7563 | |
50f56119 DV |
7564 | static bool intel_encoder_crtc_ok(struct drm_encoder *encoder, |
7565 | struct drm_crtc *crtc) | |
7566 | { | |
7567 | struct drm_device *dev; | |
7568 | struct drm_crtc *tmp; | |
7569 | int crtc_mask = 1; | |
47f1c6c9 | 7570 | |
50f56119 | 7571 | WARN(!crtc, "checking null crtc?\n"); |
47f1c6c9 | 7572 | |
50f56119 | 7573 | dev = crtc->dev; |
47f1c6c9 | 7574 | |
50f56119 DV |
7575 | list_for_each_entry(tmp, &dev->mode_config.crtc_list, head) { |
7576 | if (tmp == crtc) | |
7577 | break; | |
7578 | crtc_mask <<= 1; | |
7579 | } | |
47f1c6c9 | 7580 | |
50f56119 DV |
7581 | if (encoder->possible_crtcs & crtc_mask) |
7582 | return true; | |
7583 | return false; | |
47f1c6c9 | 7584 | } |
79e53945 | 7585 | |
9a935856 DV |
7586 | /** |
7587 | * intel_modeset_update_staged_output_state | |
7588 | * | |
7589 | * Updates the staged output configuration state, e.g. after we've read out the | |
7590 | * current hw state. | |
7591 | */ | |
7592 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) | |
f6e5b160 | 7593 | { |
9a935856 DV |
7594 | struct intel_encoder *encoder; |
7595 | struct intel_connector *connector; | |
f6e5b160 | 7596 | |
9a935856 DV |
7597 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
7598 | base.head) { | |
7599 | connector->new_encoder = | |
7600 | to_intel_encoder(connector->base.encoder); | |
7601 | } | |
f6e5b160 | 7602 | |
9a935856 DV |
7603 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
7604 | base.head) { | |
7605 | encoder->new_crtc = | |
7606 | to_intel_crtc(encoder->base.crtc); | |
7607 | } | |
f6e5b160 CW |
7608 | } |
7609 | ||
9a935856 DV |
7610 | /** |
7611 | * intel_modeset_commit_output_state | |
7612 | * | |
7613 | * This function copies the stage display pipe configuration to the real one. | |
7614 | */ | |
7615 | static void intel_modeset_commit_output_state(struct drm_device *dev) | |
7616 | { | |
7617 | struct intel_encoder *encoder; | |
7618 | struct intel_connector *connector; | |
f6e5b160 | 7619 | |
9a935856 DV |
7620 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
7621 | base.head) { | |
7622 | connector->base.encoder = &connector->new_encoder->base; | |
7623 | } | |
f6e5b160 | 7624 | |
9a935856 DV |
7625 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
7626 | base.head) { | |
7627 | encoder->base.crtc = &encoder->new_crtc->base; | |
7628 | } | |
7629 | } | |
7630 | ||
4e53c2e0 DV |
7631 | static int |
7632 | pipe_config_set_bpp(struct drm_crtc *crtc, | |
7633 | struct drm_framebuffer *fb, | |
7634 | struct intel_crtc_config *pipe_config) | |
7635 | { | |
7636 | struct drm_device *dev = crtc->dev; | |
7637 | struct drm_connector *connector; | |
7638 | int bpp; | |
7639 | ||
d42264b1 DV |
7640 | switch (fb->pixel_format) { |
7641 | case DRM_FORMAT_C8: | |
4e53c2e0 DV |
7642 | bpp = 8*3; /* since we go through a colormap */ |
7643 | break; | |
d42264b1 DV |
7644 | case DRM_FORMAT_XRGB1555: |
7645 | case DRM_FORMAT_ARGB1555: | |
7646 | /* checked in intel_framebuffer_init already */ | |
7647 | if (WARN_ON(INTEL_INFO(dev)->gen > 3)) | |
7648 | return -EINVAL; | |
7649 | case DRM_FORMAT_RGB565: | |
4e53c2e0 DV |
7650 | bpp = 6*3; /* min is 18bpp */ |
7651 | break; | |
d42264b1 DV |
7652 | case DRM_FORMAT_XBGR8888: |
7653 | case DRM_FORMAT_ABGR8888: | |
7654 | /* checked in intel_framebuffer_init already */ | |
7655 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) | |
7656 | return -EINVAL; | |
7657 | case DRM_FORMAT_XRGB8888: | |
7658 | case DRM_FORMAT_ARGB8888: | |
4e53c2e0 DV |
7659 | bpp = 8*3; |
7660 | break; | |
d42264b1 DV |
7661 | case DRM_FORMAT_XRGB2101010: |
7662 | case DRM_FORMAT_ARGB2101010: | |
7663 | case DRM_FORMAT_XBGR2101010: | |
7664 | case DRM_FORMAT_ABGR2101010: | |
7665 | /* checked in intel_framebuffer_init already */ | |
7666 | if (WARN_ON(INTEL_INFO(dev)->gen < 4)) | |
baba133a | 7667 | return -EINVAL; |
4e53c2e0 DV |
7668 | bpp = 10*3; |
7669 | break; | |
baba133a | 7670 | /* TODO: gen4+ supports 16 bpc floating point, too. */ |
4e53c2e0 DV |
7671 | default: |
7672 | DRM_DEBUG_KMS("unsupported depth\n"); | |
7673 | return -EINVAL; | |
7674 | } | |
7675 | ||
4e53c2e0 DV |
7676 | pipe_config->pipe_bpp = bpp; |
7677 | ||
7678 | /* Clamp display bpp to EDID value */ | |
7679 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
7680 | head) { | |
7681 | if (connector->encoder && connector->encoder->crtc != crtc) | |
7682 | continue; | |
7683 | ||
7684 | /* Don't use an invalid EDID bpc value */ | |
7685 | if (connector->display_info.bpc && | |
7686 | connector->display_info.bpc * 3 < bpp) { | |
7687 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
7688 | bpp, connector->display_info.bpc*3); | |
7689 | pipe_config->pipe_bpp = connector->display_info.bpc*3; | |
7690 | } | |
996a2239 DV |
7691 | |
7692 | /* Clamp bpp to 8 on screens without EDID 1.4 */ | |
7693 | if (connector->display_info.bpc == 0 && bpp > 24) { | |
7694 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
7695 | bpp); | |
7696 | pipe_config->pipe_bpp = 24; | |
7697 | } | |
4e53c2e0 DV |
7698 | } |
7699 | ||
7700 | return bpp; | |
7701 | } | |
7702 | ||
b8cecdf5 DV |
7703 | static struct intel_crtc_config * |
7704 | intel_modeset_pipe_config(struct drm_crtc *crtc, | |
4e53c2e0 | 7705 | struct drm_framebuffer *fb, |
b8cecdf5 | 7706 | struct drm_display_mode *mode) |
ee7b9f93 | 7707 | { |
7758a113 | 7708 | struct drm_device *dev = crtc->dev; |
7758a113 DV |
7709 | struct drm_encoder_helper_funcs *encoder_funcs; |
7710 | struct intel_encoder *encoder; | |
b8cecdf5 | 7711 | struct intel_crtc_config *pipe_config; |
e29c22c0 DV |
7712 | int plane_bpp, ret = -EINVAL; |
7713 | bool retry = true; | |
ee7b9f93 | 7714 | |
b8cecdf5 DV |
7715 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); |
7716 | if (!pipe_config) | |
7758a113 DV |
7717 | return ERR_PTR(-ENOMEM); |
7718 | ||
b8cecdf5 DV |
7719 | drm_mode_copy(&pipe_config->adjusted_mode, mode); |
7720 | drm_mode_copy(&pipe_config->requested_mode, mode); | |
7721 | ||
4e53c2e0 DV |
7722 | plane_bpp = pipe_config_set_bpp(crtc, fb, pipe_config); |
7723 | if (plane_bpp < 0) | |
7724 | goto fail; | |
7725 | ||
e29c22c0 | 7726 | encoder_retry: |
7758a113 DV |
7727 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
7728 | * adjust it according to limitations or connector properties, and also | |
7729 | * a chance to reject the mode entirely. | |
47f1c6c9 | 7730 | */ |
7758a113 DV |
7731 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
7732 | base.head) { | |
47f1c6c9 | 7733 | |
7758a113 DV |
7734 | if (&encoder->new_crtc->base != crtc) |
7735 | continue; | |
7ae89233 DV |
7736 | |
7737 | if (encoder->compute_config) { | |
7738 | if (!(encoder->compute_config(encoder, pipe_config))) { | |
7739 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7740 | goto fail; | |
7741 | } | |
7742 | ||
7743 | continue; | |
7744 | } | |
7745 | ||
7758a113 | 7746 | encoder_funcs = encoder->base.helper_private; |
b8cecdf5 DV |
7747 | if (!(encoder_funcs->mode_fixup(&encoder->base, |
7748 | &pipe_config->requested_mode, | |
7749 | &pipe_config->adjusted_mode))) { | |
7758a113 DV |
7750 | DRM_DEBUG_KMS("Encoder fixup failed\n"); |
7751 | goto fail; | |
7752 | } | |
ee7b9f93 | 7753 | } |
47f1c6c9 | 7754 | |
e29c22c0 DV |
7755 | ret = intel_crtc_compute_config(crtc, pipe_config); |
7756 | if (ret < 0) { | |
7758a113 DV |
7757 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
7758 | goto fail; | |
ee7b9f93 | 7759 | } |
e29c22c0 DV |
7760 | |
7761 | if (ret == RETRY) { | |
7762 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
7763 | ret = -EINVAL; | |
7764 | goto fail; | |
7765 | } | |
7766 | ||
7767 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
7768 | retry = false; | |
7769 | goto encoder_retry; | |
7770 | } | |
7771 | ||
7758a113 | 7772 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
47f1c6c9 | 7773 | |
4e53c2e0 DV |
7774 | pipe_config->dither = pipe_config->pipe_bpp != plane_bpp; |
7775 | DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", | |
7776 | plane_bpp, pipe_config->pipe_bpp, pipe_config->dither); | |
7777 | ||
b8cecdf5 | 7778 | return pipe_config; |
7758a113 | 7779 | fail: |
b8cecdf5 | 7780 | kfree(pipe_config); |
e29c22c0 | 7781 | return ERR_PTR(ret); |
ee7b9f93 | 7782 | } |
47f1c6c9 | 7783 | |
e2e1ed41 DV |
7784 | /* Computes which crtcs are affected and sets the relevant bits in the mask. For |
7785 | * simplicity we use the crtc's pipe number (because it's easier to obtain). */ | |
7786 | static void | |
7787 | intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, | |
7788 | unsigned *prepare_pipes, unsigned *disable_pipes) | |
79e53945 JB |
7789 | { |
7790 | struct intel_crtc *intel_crtc; | |
e2e1ed41 DV |
7791 | struct drm_device *dev = crtc->dev; |
7792 | struct intel_encoder *encoder; | |
7793 | struct intel_connector *connector; | |
7794 | struct drm_crtc *tmp_crtc; | |
79e53945 | 7795 | |
e2e1ed41 | 7796 | *disable_pipes = *modeset_pipes = *prepare_pipes = 0; |
79e53945 | 7797 | |
e2e1ed41 DV |
7798 | /* Check which crtcs have changed outputs connected to them, these need |
7799 | * to be part of the prepare_pipes mask. We don't (yet) support global | |
7800 | * modeset across multiple crtcs, so modeset_pipes will only have one | |
7801 | * bit set at most. */ | |
7802 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
7803 | base.head) { | |
7804 | if (connector->base.encoder == &connector->new_encoder->base) | |
7805 | continue; | |
79e53945 | 7806 | |
e2e1ed41 DV |
7807 | if (connector->base.encoder) { |
7808 | tmp_crtc = connector->base.encoder->crtc; | |
7809 | ||
7810 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; | |
7811 | } | |
7812 | ||
7813 | if (connector->new_encoder) | |
7814 | *prepare_pipes |= | |
7815 | 1 << connector->new_encoder->new_crtc->pipe; | |
79e53945 JB |
7816 | } |
7817 | ||
e2e1ed41 DV |
7818 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
7819 | base.head) { | |
7820 | if (encoder->base.crtc == &encoder->new_crtc->base) | |
7821 | continue; | |
7822 | ||
7823 | if (encoder->base.crtc) { | |
7824 | tmp_crtc = encoder->base.crtc; | |
7825 | ||
7826 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; | |
7827 | } | |
7828 | ||
7829 | if (encoder->new_crtc) | |
7830 | *prepare_pipes |= 1 << encoder->new_crtc->pipe; | |
80824003 JB |
7831 | } |
7832 | ||
e2e1ed41 DV |
7833 | /* Check for any pipes that will be fully disabled ... */ |
7834 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, | |
7835 | base.head) { | |
7836 | bool used = false; | |
22fd0fab | 7837 | |
e2e1ed41 DV |
7838 | /* Don't try to disable disabled crtcs. */ |
7839 | if (!intel_crtc->base.enabled) | |
7840 | continue; | |
7e7d76c3 | 7841 | |
e2e1ed41 DV |
7842 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
7843 | base.head) { | |
7844 | if (encoder->new_crtc == intel_crtc) | |
7845 | used = true; | |
7846 | } | |
7847 | ||
7848 | if (!used) | |
7849 | *disable_pipes |= 1 << intel_crtc->pipe; | |
7e7d76c3 JB |
7850 | } |
7851 | ||
e2e1ed41 DV |
7852 | |
7853 | /* set_mode is also used to update properties on life display pipes. */ | |
7854 | intel_crtc = to_intel_crtc(crtc); | |
7855 | if (crtc->enabled) | |
7856 | *prepare_pipes |= 1 << intel_crtc->pipe; | |
7857 | ||
b6c5164d DV |
7858 | /* |
7859 | * For simplicity do a full modeset on any pipe where the output routing | |
7860 | * changed. We could be more clever, but that would require us to be | |
7861 | * more careful with calling the relevant encoder->mode_set functions. | |
7862 | */ | |
e2e1ed41 DV |
7863 | if (*prepare_pipes) |
7864 | *modeset_pipes = *prepare_pipes; | |
7865 | ||
7866 | /* ... and mask these out. */ | |
7867 | *modeset_pipes &= ~(*disable_pipes); | |
7868 | *prepare_pipes &= ~(*disable_pipes); | |
b6c5164d DV |
7869 | |
7870 | /* | |
7871 | * HACK: We don't (yet) fully support global modesets. intel_set_config | |
7872 | * obies this rule, but the modeset restore mode of | |
7873 | * intel_modeset_setup_hw_state does not. | |
7874 | */ | |
7875 | *modeset_pipes &= 1 << intel_crtc->pipe; | |
7876 | *prepare_pipes &= 1 << intel_crtc->pipe; | |
e3641d3f DV |
7877 | |
7878 | DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n", | |
7879 | *modeset_pipes, *prepare_pipes, *disable_pipes); | |
47f1c6c9 | 7880 | } |
79e53945 | 7881 | |
ea9d758d | 7882 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
f6e5b160 | 7883 | { |
ea9d758d | 7884 | struct drm_encoder *encoder; |
f6e5b160 | 7885 | struct drm_device *dev = crtc->dev; |
f6e5b160 | 7886 | |
ea9d758d DV |
7887 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
7888 | if (encoder->crtc == crtc) | |
7889 | return true; | |
7890 | ||
7891 | return false; | |
7892 | } | |
7893 | ||
7894 | static void | |
7895 | intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) | |
7896 | { | |
7897 | struct intel_encoder *intel_encoder; | |
7898 | struct intel_crtc *intel_crtc; | |
7899 | struct drm_connector *connector; | |
7900 | ||
7901 | list_for_each_entry(intel_encoder, &dev->mode_config.encoder_list, | |
7902 | base.head) { | |
7903 | if (!intel_encoder->base.crtc) | |
7904 | continue; | |
7905 | ||
7906 | intel_crtc = to_intel_crtc(intel_encoder->base.crtc); | |
7907 | ||
7908 | if (prepare_pipes & (1 << intel_crtc->pipe)) | |
7909 | intel_encoder->connectors_active = false; | |
7910 | } | |
7911 | ||
7912 | intel_modeset_commit_output_state(dev); | |
7913 | ||
7914 | /* Update computed state. */ | |
7915 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, | |
7916 | base.head) { | |
7917 | intel_crtc->base.enabled = intel_crtc_in_use(&intel_crtc->base); | |
7918 | } | |
7919 | ||
7920 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
7921 | if (!connector->encoder || !connector->encoder->crtc) | |
7922 | continue; | |
7923 | ||
7924 | intel_crtc = to_intel_crtc(connector->encoder->crtc); | |
7925 | ||
7926 | if (prepare_pipes & (1 << intel_crtc->pipe)) { | |
68d34720 DV |
7927 | struct drm_property *dpms_property = |
7928 | dev->mode_config.dpms_property; | |
7929 | ||
ea9d758d | 7930 | connector->dpms = DRM_MODE_DPMS_ON; |
662595df | 7931 | drm_object_property_set_value(&connector->base, |
68d34720 DV |
7932 | dpms_property, |
7933 | DRM_MODE_DPMS_ON); | |
ea9d758d DV |
7934 | |
7935 | intel_encoder = to_intel_encoder(connector->encoder); | |
7936 | intel_encoder->connectors_active = true; | |
7937 | } | |
7938 | } | |
7939 | ||
7940 | } | |
7941 | ||
25c5b266 DV |
7942 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
7943 | list_for_each_entry((intel_crtc), \ | |
7944 | &(dev)->mode_config.crtc_list, \ | |
7945 | base.head) \ | |
0973f18f | 7946 | if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 7947 | |
0e8ffe1b DV |
7948 | static bool |
7949 | intel_pipe_config_compare(struct intel_crtc_config *current_config, | |
7950 | struct intel_crtc_config *pipe_config) | |
7951 | { | |
88adfff1 DV |
7952 | if (current_config->has_pch_encoder != pipe_config->has_pch_encoder) { |
7953 | DRM_ERROR("mismatch in has_pch_encoder " | |
7954 | "(expected %i, found %i)\n", | |
7955 | current_config->has_pch_encoder, | |
7956 | pipe_config->has_pch_encoder); | |
7957 | return false; | |
7958 | } | |
7959 | ||
627eb5a3 DV |
7960 | if (current_config->fdi_lanes != pipe_config->fdi_lanes) { |
7961 | DRM_ERROR("mismatch in fdi_lanes " | |
7962 | "(expected %i, found %i)\n", | |
7963 | current_config->fdi_lanes, | |
7964 | pipe_config->fdi_lanes); | |
7965 | return false; | |
7966 | } | |
7967 | ||
0e8ffe1b DV |
7968 | return true; |
7969 | } | |
7970 | ||
b980514c | 7971 | void |
8af6cf88 DV |
7972 | intel_modeset_check_state(struct drm_device *dev) |
7973 | { | |
0e8ffe1b | 7974 | drm_i915_private_t *dev_priv = dev->dev_private; |
8af6cf88 DV |
7975 | struct intel_crtc *crtc; |
7976 | struct intel_encoder *encoder; | |
7977 | struct intel_connector *connector; | |
0e8ffe1b | 7978 | struct intel_crtc_config pipe_config; |
8af6cf88 DV |
7979 | |
7980 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
7981 | base.head) { | |
7982 | /* This also checks the encoder/connector hw state with the | |
7983 | * ->get_hw_state callbacks. */ | |
7984 | intel_connector_check_state(connector); | |
7985 | ||
7986 | WARN(&connector->new_encoder->base != connector->base.encoder, | |
7987 | "connector's staged encoder doesn't match current encoder\n"); | |
7988 | } | |
7989 | ||
7990 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
7991 | base.head) { | |
7992 | bool enabled = false; | |
7993 | bool active = false; | |
7994 | enum pipe pipe, tracked_pipe; | |
7995 | ||
7996 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
7997 | encoder->base.base.id, | |
7998 | drm_get_encoder_name(&encoder->base)); | |
7999 | ||
8000 | WARN(&encoder->new_crtc->base != encoder->base.crtc, | |
8001 | "encoder's stage crtc doesn't match current crtc\n"); | |
8002 | WARN(encoder->connectors_active && !encoder->base.crtc, | |
8003 | "encoder's active_connectors set, but no crtc\n"); | |
8004 | ||
8005 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
8006 | base.head) { | |
8007 | if (connector->base.encoder != &encoder->base) | |
8008 | continue; | |
8009 | enabled = true; | |
8010 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) | |
8011 | active = true; | |
8012 | } | |
8013 | WARN(!!encoder->base.crtc != enabled, | |
8014 | "encoder's enabled state mismatch " | |
8015 | "(expected %i, found %i)\n", | |
8016 | !!encoder->base.crtc, enabled); | |
8017 | WARN(active && !encoder->base.crtc, | |
8018 | "active encoder with no crtc\n"); | |
8019 | ||
8020 | WARN(encoder->connectors_active != active, | |
8021 | "encoder's computed active state doesn't match tracked active state " | |
8022 | "(expected %i, found %i)\n", active, encoder->connectors_active); | |
8023 | ||
8024 | active = encoder->get_hw_state(encoder, &pipe); | |
8025 | WARN(active != encoder->connectors_active, | |
8026 | "encoder's hw state doesn't match sw tracking " | |
8027 | "(expected %i, found %i)\n", | |
8028 | encoder->connectors_active, active); | |
8029 | ||
8030 | if (!encoder->base.crtc) | |
8031 | continue; | |
8032 | ||
8033 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; | |
8034 | WARN(active && pipe != tracked_pipe, | |
8035 | "active encoder's pipe doesn't match" | |
8036 | "(expected %i, found %i)\n", | |
8037 | tracked_pipe, pipe); | |
8038 | ||
8039 | } | |
8040 | ||
8041 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
8042 | base.head) { | |
8043 | bool enabled = false; | |
8044 | bool active = false; | |
8045 | ||
8046 | DRM_DEBUG_KMS("[CRTC:%d]\n", | |
8047 | crtc->base.base.id); | |
8048 | ||
8049 | WARN(crtc->active && !crtc->base.enabled, | |
8050 | "active crtc, but not enabled in sw tracking\n"); | |
8051 | ||
8052 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
8053 | base.head) { | |
8054 | if (encoder->base.crtc != &crtc->base) | |
8055 | continue; | |
8056 | enabled = true; | |
8057 | if (encoder->connectors_active) | |
8058 | active = true; | |
8059 | } | |
8060 | WARN(active != crtc->active, | |
8061 | "crtc's computed active state doesn't match tracked active state " | |
8062 | "(expected %i, found %i)\n", active, crtc->active); | |
8063 | WARN(enabled != crtc->base.enabled, | |
8064 | "crtc's computed enabled state doesn't match tracked enabled state " | |
8065 | "(expected %i, found %i)\n", enabled, crtc->base.enabled); | |
8066 | ||
88adfff1 | 8067 | memset(&pipe_config, 0, sizeof(pipe_config)); |
60c4ae10 | 8068 | pipe_config.cpu_transcoder = crtc->config.cpu_transcoder; |
0e8ffe1b DV |
8069 | active = dev_priv->display.get_pipe_config(crtc, |
8070 | &pipe_config); | |
8071 | WARN(crtc->active != active, | |
8072 | "crtc active state doesn't match with hw state " | |
8073 | "(expected %i, found %i)\n", crtc->active, active); | |
8074 | ||
8075 | WARN(active && | |
8076 | !intel_pipe_config_compare(&crtc->config, &pipe_config), | |
8077 | "pipe state doesn't match!\n"); | |
8af6cf88 DV |
8078 | } |
8079 | } | |
8080 | ||
f30da187 DV |
8081 | static int __intel_set_mode(struct drm_crtc *crtc, |
8082 | struct drm_display_mode *mode, | |
8083 | int x, int y, struct drm_framebuffer *fb) | |
a6778b3c DV |
8084 | { |
8085 | struct drm_device *dev = crtc->dev; | |
dbf2b54e | 8086 | drm_i915_private_t *dev_priv = dev->dev_private; |
b8cecdf5 DV |
8087 | struct drm_display_mode *saved_mode, *saved_hwmode; |
8088 | struct intel_crtc_config *pipe_config = NULL; | |
25c5b266 DV |
8089 | struct intel_crtc *intel_crtc; |
8090 | unsigned disable_pipes, prepare_pipes, modeset_pipes; | |
c0c36b94 | 8091 | int ret = 0; |
a6778b3c | 8092 | |
3ac18232 | 8093 | saved_mode = kmalloc(2 * sizeof(*saved_mode), GFP_KERNEL); |
c0c36b94 CW |
8094 | if (!saved_mode) |
8095 | return -ENOMEM; | |
3ac18232 | 8096 | saved_hwmode = saved_mode + 1; |
a6778b3c | 8097 | |
e2e1ed41 | 8098 | intel_modeset_affected_pipes(crtc, &modeset_pipes, |
25c5b266 DV |
8099 | &prepare_pipes, &disable_pipes); |
8100 | ||
3ac18232 TG |
8101 | *saved_hwmode = crtc->hwmode; |
8102 | *saved_mode = crtc->mode; | |
a6778b3c | 8103 | |
25c5b266 DV |
8104 | /* Hack: Because we don't (yet) support global modeset on multiple |
8105 | * crtcs, we don't keep track of the new mode for more than one crtc. | |
8106 | * Hence simply check whether any bit is set in modeset_pipes in all the | |
8107 | * pieces of code that are not yet converted to deal with mutliple crtcs | |
8108 | * changing their mode at the same time. */ | |
25c5b266 | 8109 | if (modeset_pipes) { |
4e53c2e0 | 8110 | pipe_config = intel_modeset_pipe_config(crtc, fb, mode); |
b8cecdf5 DV |
8111 | if (IS_ERR(pipe_config)) { |
8112 | ret = PTR_ERR(pipe_config); | |
8113 | pipe_config = NULL; | |
8114 | ||
3ac18232 | 8115 | goto out; |
25c5b266 | 8116 | } |
25c5b266 | 8117 | } |
a6778b3c | 8118 | |
460da916 DV |
8119 | for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc) |
8120 | intel_crtc_disable(&intel_crtc->base); | |
8121 | ||
ea9d758d DV |
8122 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
8123 | if (intel_crtc->base.enabled) | |
8124 | dev_priv->display.crtc_disable(&intel_crtc->base); | |
8125 | } | |
a6778b3c | 8126 | |
6c4c86f5 DV |
8127 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
8128 | * to set it here already despite that we pass it down the callchain. | |
f6e5b160 | 8129 | */ |
b8cecdf5 | 8130 | if (modeset_pipes) { |
3b117c8f | 8131 | enum transcoder tmp = to_intel_crtc(crtc)->config.cpu_transcoder; |
25c5b266 | 8132 | crtc->mode = *mode; |
b8cecdf5 DV |
8133 | /* mode_set/enable/disable functions rely on a correct pipe |
8134 | * config. */ | |
8135 | to_intel_crtc(crtc)->config = *pipe_config; | |
3b117c8f | 8136 | to_intel_crtc(crtc)->config.cpu_transcoder = tmp; |
b8cecdf5 | 8137 | } |
7758a113 | 8138 | |
ea9d758d DV |
8139 | /* Only after disabling all output pipelines that will be changed can we |
8140 | * update the the output configuration. */ | |
8141 | intel_modeset_update_state(dev, prepare_pipes); | |
f6e5b160 | 8142 | |
47fab737 DV |
8143 | if (dev_priv->display.modeset_global_resources) |
8144 | dev_priv->display.modeset_global_resources(dev); | |
8145 | ||
a6778b3c DV |
8146 | /* Set up the DPLL and any encoders state that needs to adjust or depend |
8147 | * on the DPLL. | |
f6e5b160 | 8148 | */ |
25c5b266 | 8149 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
c0c36b94 | 8150 | ret = intel_crtc_mode_set(&intel_crtc->base, |
c0c36b94 CW |
8151 | x, y, fb); |
8152 | if (ret) | |
8153 | goto done; | |
a6778b3c DV |
8154 | } |
8155 | ||
8156 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ | |
25c5b266 DV |
8157 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) |
8158 | dev_priv->display.crtc_enable(&intel_crtc->base); | |
a6778b3c | 8159 | |
25c5b266 DV |
8160 | if (modeset_pipes) { |
8161 | /* Store real post-adjustment hardware mode. */ | |
b8cecdf5 | 8162 | crtc->hwmode = pipe_config->adjusted_mode; |
a6778b3c | 8163 | |
25c5b266 DV |
8164 | /* Calculate and store various constants which |
8165 | * are later needed by vblank and swap-completion | |
8166 | * timestamping. They are derived from true hwmode. | |
8167 | */ | |
8168 | drm_calc_timestamping_constants(crtc); | |
8169 | } | |
a6778b3c DV |
8170 | |
8171 | /* FIXME: add subpixel order */ | |
8172 | done: | |
c0c36b94 | 8173 | if (ret && crtc->enabled) { |
3ac18232 TG |
8174 | crtc->hwmode = *saved_hwmode; |
8175 | crtc->mode = *saved_mode; | |
a6778b3c DV |
8176 | } |
8177 | ||
3ac18232 | 8178 | out: |
b8cecdf5 | 8179 | kfree(pipe_config); |
3ac18232 | 8180 | kfree(saved_mode); |
a6778b3c | 8181 | return ret; |
f6e5b160 CW |
8182 | } |
8183 | ||
f30da187 DV |
8184 | int intel_set_mode(struct drm_crtc *crtc, |
8185 | struct drm_display_mode *mode, | |
8186 | int x, int y, struct drm_framebuffer *fb) | |
8187 | { | |
8188 | int ret; | |
8189 | ||
8190 | ret = __intel_set_mode(crtc, mode, x, y, fb); | |
8191 | ||
8192 | if (ret == 0) | |
8193 | intel_modeset_check_state(crtc->dev); | |
8194 | ||
8195 | return ret; | |
8196 | } | |
8197 | ||
c0c36b94 CW |
8198 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
8199 | { | |
8200 | intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb); | |
8201 | } | |
8202 | ||
25c5b266 DV |
8203 | #undef for_each_intel_crtc_masked |
8204 | ||
d9e55608 DV |
8205 | static void intel_set_config_free(struct intel_set_config *config) |
8206 | { | |
8207 | if (!config) | |
8208 | return; | |
8209 | ||
1aa4b628 DV |
8210 | kfree(config->save_connector_encoders); |
8211 | kfree(config->save_encoder_crtcs); | |
d9e55608 DV |
8212 | kfree(config); |
8213 | } | |
8214 | ||
85f9eb71 DV |
8215 | static int intel_set_config_save_state(struct drm_device *dev, |
8216 | struct intel_set_config *config) | |
8217 | { | |
85f9eb71 DV |
8218 | struct drm_encoder *encoder; |
8219 | struct drm_connector *connector; | |
8220 | int count; | |
8221 | ||
1aa4b628 DV |
8222 | config->save_encoder_crtcs = |
8223 | kcalloc(dev->mode_config.num_encoder, | |
8224 | sizeof(struct drm_crtc *), GFP_KERNEL); | |
8225 | if (!config->save_encoder_crtcs) | |
85f9eb71 DV |
8226 | return -ENOMEM; |
8227 | ||
1aa4b628 DV |
8228 | config->save_connector_encoders = |
8229 | kcalloc(dev->mode_config.num_connector, | |
8230 | sizeof(struct drm_encoder *), GFP_KERNEL); | |
8231 | if (!config->save_connector_encoders) | |
85f9eb71 DV |
8232 | return -ENOMEM; |
8233 | ||
8234 | /* Copy data. Note that driver private data is not affected. | |
8235 | * Should anything bad happen only the expected state is | |
8236 | * restored, not the drivers personal bookkeeping. | |
8237 | */ | |
85f9eb71 DV |
8238 | count = 0; |
8239 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | |
1aa4b628 | 8240 | config->save_encoder_crtcs[count++] = encoder->crtc; |
85f9eb71 DV |
8241 | } |
8242 | ||
8243 | count = 0; | |
8244 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1aa4b628 | 8245 | config->save_connector_encoders[count++] = connector->encoder; |
85f9eb71 DV |
8246 | } |
8247 | ||
8248 | return 0; | |
8249 | } | |
8250 | ||
8251 | static void intel_set_config_restore_state(struct drm_device *dev, | |
8252 | struct intel_set_config *config) | |
8253 | { | |
9a935856 DV |
8254 | struct intel_encoder *encoder; |
8255 | struct intel_connector *connector; | |
85f9eb71 DV |
8256 | int count; |
8257 | ||
85f9eb71 | 8258 | count = 0; |
9a935856 DV |
8259 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
8260 | encoder->new_crtc = | |
8261 | to_intel_crtc(config->save_encoder_crtcs[count++]); | |
85f9eb71 DV |
8262 | } |
8263 | ||
8264 | count = 0; | |
9a935856 DV |
8265 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
8266 | connector->new_encoder = | |
8267 | to_intel_encoder(config->save_connector_encoders[count++]); | |
85f9eb71 DV |
8268 | } |
8269 | } | |
8270 | ||
5e2b584e DV |
8271 | static void |
8272 | intel_set_config_compute_mode_changes(struct drm_mode_set *set, | |
8273 | struct intel_set_config *config) | |
8274 | { | |
8275 | ||
8276 | /* We should be able to check here if the fb has the same properties | |
8277 | * and then just flip_or_move it */ | |
8278 | if (set->crtc->fb != set->fb) { | |
8279 | /* If we have no fb then treat it as a full mode set */ | |
8280 | if (set->crtc->fb == NULL) { | |
8281 | DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); | |
8282 | config->mode_changed = true; | |
8283 | } else if (set->fb == NULL) { | |
8284 | config->mode_changed = true; | |
72f4901e DV |
8285 | } else if (set->fb->pixel_format != |
8286 | set->crtc->fb->pixel_format) { | |
5e2b584e DV |
8287 | config->mode_changed = true; |
8288 | } else | |
8289 | config->fb_changed = true; | |
8290 | } | |
8291 | ||
835c5873 | 8292 | if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) |
5e2b584e DV |
8293 | config->fb_changed = true; |
8294 | ||
8295 | if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { | |
8296 | DRM_DEBUG_KMS("modes are different, full mode set\n"); | |
8297 | drm_mode_debug_printmodeline(&set->crtc->mode); | |
8298 | drm_mode_debug_printmodeline(set->mode); | |
8299 | config->mode_changed = true; | |
8300 | } | |
8301 | } | |
8302 | ||
2e431051 | 8303 | static int |
9a935856 DV |
8304 | intel_modeset_stage_output_state(struct drm_device *dev, |
8305 | struct drm_mode_set *set, | |
8306 | struct intel_set_config *config) | |
50f56119 | 8307 | { |
85f9eb71 | 8308 | struct drm_crtc *new_crtc; |
9a935856 DV |
8309 | struct intel_connector *connector; |
8310 | struct intel_encoder *encoder; | |
2e431051 | 8311 | int count, ro; |
50f56119 | 8312 | |
9abdda74 | 8313 | /* The upper layers ensure that we either disable a crtc or have a list |
9a935856 DV |
8314 | * of connectors. For paranoia, double-check this. */ |
8315 | WARN_ON(!set->fb && (set->num_connectors != 0)); | |
8316 | WARN_ON(set->fb && (set->num_connectors == 0)); | |
8317 | ||
50f56119 | 8318 | count = 0; |
9a935856 DV |
8319 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
8320 | base.head) { | |
8321 | /* Otherwise traverse passed in connector list and get encoders | |
8322 | * for them. */ | |
50f56119 | 8323 | for (ro = 0; ro < set->num_connectors; ro++) { |
9a935856 DV |
8324 | if (set->connectors[ro] == &connector->base) { |
8325 | connector->new_encoder = connector->encoder; | |
50f56119 DV |
8326 | break; |
8327 | } | |
8328 | } | |
8329 | ||
9a935856 DV |
8330 | /* If we disable the crtc, disable all its connectors. Also, if |
8331 | * the connector is on the changing crtc but not on the new | |
8332 | * connector list, disable it. */ | |
8333 | if ((!set->fb || ro == set->num_connectors) && | |
8334 | connector->base.encoder && | |
8335 | connector->base.encoder->crtc == set->crtc) { | |
8336 | connector->new_encoder = NULL; | |
8337 | ||
8338 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", | |
8339 | connector->base.base.id, | |
8340 | drm_get_connector_name(&connector->base)); | |
8341 | } | |
8342 | ||
8343 | ||
8344 | if (&connector->new_encoder->base != connector->base.encoder) { | |
50f56119 | 8345 | DRM_DEBUG_KMS("encoder changed, full mode switch\n"); |
5e2b584e | 8346 | config->mode_changed = true; |
50f56119 DV |
8347 | } |
8348 | } | |
9a935856 | 8349 | /* connector->new_encoder is now updated for all connectors. */ |
50f56119 | 8350 | |
9a935856 | 8351 | /* Update crtc of enabled connectors. */ |
50f56119 | 8352 | count = 0; |
9a935856 DV |
8353 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
8354 | base.head) { | |
8355 | if (!connector->new_encoder) | |
50f56119 DV |
8356 | continue; |
8357 | ||
9a935856 | 8358 | new_crtc = connector->new_encoder->base.crtc; |
50f56119 DV |
8359 | |
8360 | for (ro = 0; ro < set->num_connectors; ro++) { | |
9a935856 | 8361 | if (set->connectors[ro] == &connector->base) |
50f56119 DV |
8362 | new_crtc = set->crtc; |
8363 | } | |
8364 | ||
8365 | /* Make sure the new CRTC will work with the encoder */ | |
9a935856 DV |
8366 | if (!intel_encoder_crtc_ok(&connector->new_encoder->base, |
8367 | new_crtc)) { | |
5e2b584e | 8368 | return -EINVAL; |
50f56119 | 8369 | } |
9a935856 DV |
8370 | connector->encoder->new_crtc = to_intel_crtc(new_crtc); |
8371 | ||
8372 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", | |
8373 | connector->base.base.id, | |
8374 | drm_get_connector_name(&connector->base), | |
8375 | new_crtc->base.id); | |
8376 | } | |
8377 | ||
8378 | /* Check for any encoders that needs to be disabled. */ | |
8379 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
8380 | base.head) { | |
8381 | list_for_each_entry(connector, | |
8382 | &dev->mode_config.connector_list, | |
8383 | base.head) { | |
8384 | if (connector->new_encoder == encoder) { | |
8385 | WARN_ON(!connector->new_encoder->new_crtc); | |
8386 | ||
8387 | goto next_encoder; | |
8388 | } | |
8389 | } | |
8390 | encoder->new_crtc = NULL; | |
8391 | next_encoder: | |
8392 | /* Only now check for crtc changes so we don't miss encoders | |
8393 | * that will be disabled. */ | |
8394 | if (&encoder->new_crtc->base != encoder->base.crtc) { | |
50f56119 | 8395 | DRM_DEBUG_KMS("crtc changed, full mode switch\n"); |
5e2b584e | 8396 | config->mode_changed = true; |
50f56119 DV |
8397 | } |
8398 | } | |
9a935856 | 8399 | /* Now we've also updated encoder->new_crtc for all encoders. */ |
50f56119 | 8400 | |
2e431051 DV |
8401 | return 0; |
8402 | } | |
8403 | ||
8404 | static int intel_crtc_set_config(struct drm_mode_set *set) | |
8405 | { | |
8406 | struct drm_device *dev; | |
2e431051 DV |
8407 | struct drm_mode_set save_set; |
8408 | struct intel_set_config *config; | |
8409 | int ret; | |
2e431051 | 8410 | |
8d3e375e DV |
8411 | BUG_ON(!set); |
8412 | BUG_ON(!set->crtc); | |
8413 | BUG_ON(!set->crtc->helper_private); | |
2e431051 | 8414 | |
7e53f3a4 DV |
8415 | /* Enforce sane interface api - has been abused by the fb helper. */ |
8416 | BUG_ON(!set->mode && set->fb); | |
8417 | BUG_ON(set->fb && set->num_connectors == 0); | |
431e50f7 | 8418 | |
2e431051 DV |
8419 | if (set->fb) { |
8420 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", | |
8421 | set->crtc->base.id, set->fb->base.id, | |
8422 | (int)set->num_connectors, set->x, set->y); | |
8423 | } else { | |
8424 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); | |
2e431051 DV |
8425 | } |
8426 | ||
8427 | dev = set->crtc->dev; | |
8428 | ||
8429 | ret = -ENOMEM; | |
8430 | config = kzalloc(sizeof(*config), GFP_KERNEL); | |
8431 | if (!config) | |
8432 | goto out_config; | |
8433 | ||
8434 | ret = intel_set_config_save_state(dev, config); | |
8435 | if (ret) | |
8436 | goto out_config; | |
8437 | ||
8438 | save_set.crtc = set->crtc; | |
8439 | save_set.mode = &set->crtc->mode; | |
8440 | save_set.x = set->crtc->x; | |
8441 | save_set.y = set->crtc->y; | |
8442 | save_set.fb = set->crtc->fb; | |
8443 | ||
8444 | /* Compute whether we need a full modeset, only an fb base update or no | |
8445 | * change at all. In the future we might also check whether only the | |
8446 | * mode changed, e.g. for LVDS where we only change the panel fitter in | |
8447 | * such cases. */ | |
8448 | intel_set_config_compute_mode_changes(set, config); | |
8449 | ||
9a935856 | 8450 | ret = intel_modeset_stage_output_state(dev, set, config); |
2e431051 DV |
8451 | if (ret) |
8452 | goto fail; | |
8453 | ||
5e2b584e | 8454 | if (config->mode_changed) { |
87f1faa6 | 8455 | if (set->mode) { |
50f56119 DV |
8456 | DRM_DEBUG_KMS("attempting to set mode from" |
8457 | " userspace\n"); | |
8458 | drm_mode_debug_printmodeline(set->mode); | |
87f1faa6 DV |
8459 | } |
8460 | ||
c0c36b94 CW |
8461 | ret = intel_set_mode(set->crtc, set->mode, |
8462 | set->x, set->y, set->fb); | |
8463 | if (ret) { | |
8464 | DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n", | |
8465 | set->crtc->base.id, ret); | |
87f1faa6 DV |
8466 | goto fail; |
8467 | } | |
5e2b584e | 8468 | } else if (config->fb_changed) { |
4878cae2 VS |
8469 | intel_crtc_wait_for_pending_flips(set->crtc); |
8470 | ||
4f660f49 | 8471 | ret = intel_pipe_set_base(set->crtc, |
94352cf9 | 8472 | set->x, set->y, set->fb); |
50f56119 DV |
8473 | } |
8474 | ||
d9e55608 DV |
8475 | intel_set_config_free(config); |
8476 | ||
50f56119 DV |
8477 | return 0; |
8478 | ||
8479 | fail: | |
85f9eb71 | 8480 | intel_set_config_restore_state(dev, config); |
50f56119 DV |
8481 | |
8482 | /* Try to restore the config */ | |
5e2b584e | 8483 | if (config->mode_changed && |
c0c36b94 CW |
8484 | intel_set_mode(save_set.crtc, save_set.mode, |
8485 | save_set.x, save_set.y, save_set.fb)) | |
50f56119 DV |
8486 | DRM_ERROR("failed to restore config after modeset failure\n"); |
8487 | ||
d9e55608 DV |
8488 | out_config: |
8489 | intel_set_config_free(config); | |
50f56119 DV |
8490 | return ret; |
8491 | } | |
f6e5b160 CW |
8492 | |
8493 | static const struct drm_crtc_funcs intel_crtc_funcs = { | |
f6e5b160 CW |
8494 | .cursor_set = intel_crtc_cursor_set, |
8495 | .cursor_move = intel_crtc_cursor_move, | |
8496 | .gamma_set = intel_crtc_gamma_set, | |
50f56119 | 8497 | .set_config = intel_crtc_set_config, |
f6e5b160 CW |
8498 | .destroy = intel_crtc_destroy, |
8499 | .page_flip = intel_crtc_page_flip, | |
8500 | }; | |
8501 | ||
79f689aa PZ |
8502 | static void intel_cpu_pll_init(struct drm_device *dev) |
8503 | { | |
affa9354 | 8504 | if (HAS_DDI(dev)) |
79f689aa PZ |
8505 | intel_ddi_pll_init(dev); |
8506 | } | |
8507 | ||
ee7b9f93 JB |
8508 | static void intel_pch_pll_init(struct drm_device *dev) |
8509 | { | |
8510 | drm_i915_private_t *dev_priv = dev->dev_private; | |
8511 | int i; | |
8512 | ||
8513 | if (dev_priv->num_pch_pll == 0) { | |
8514 | DRM_DEBUG_KMS("No PCH PLLs on this hardware, skipping initialisation\n"); | |
8515 | return; | |
8516 | } | |
8517 | ||
8518 | for (i = 0; i < dev_priv->num_pch_pll; i++) { | |
8519 | dev_priv->pch_plls[i].pll_reg = _PCH_DPLL(i); | |
8520 | dev_priv->pch_plls[i].fp0_reg = _PCH_FP0(i); | |
8521 | dev_priv->pch_plls[i].fp1_reg = _PCH_FP1(i); | |
8522 | } | |
8523 | } | |
8524 | ||
b358d0a6 | 8525 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 8526 | { |
22fd0fab | 8527 | drm_i915_private_t *dev_priv = dev->dev_private; |
79e53945 JB |
8528 | struct intel_crtc *intel_crtc; |
8529 | int i; | |
8530 | ||
8531 | intel_crtc = kzalloc(sizeof(struct intel_crtc) + (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); | |
8532 | if (intel_crtc == NULL) | |
8533 | return; | |
8534 | ||
8535 | drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs); | |
8536 | ||
8537 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
8538 | for (i = 0; i < 256; i++) { |
8539 | intel_crtc->lut_r[i] = i; | |
8540 | intel_crtc->lut_g[i] = i; | |
8541 | intel_crtc->lut_b[i] = i; | |
8542 | } | |
8543 | ||
80824003 JB |
8544 | /* Swap pipes & planes for FBC on pre-965 */ |
8545 | intel_crtc->pipe = pipe; | |
8546 | intel_crtc->plane = pipe; | |
3b117c8f | 8547 | intel_crtc->config.cpu_transcoder = pipe; |
e2e767ab | 8548 | if (IS_MOBILE(dev) && IS_GEN3(dev)) { |
28c97730 | 8549 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 8550 | intel_crtc->plane = !pipe; |
80824003 JB |
8551 | } |
8552 | ||
22fd0fab JB |
8553 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
8554 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
8555 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
8556 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
8557 | ||
79e53945 | 8558 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
79e53945 JB |
8559 | } |
8560 | ||
08d7b3d1 | 8561 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 8562 | struct drm_file *file) |
08d7b3d1 | 8563 | { |
08d7b3d1 | 8564 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
c05422d5 DV |
8565 | struct drm_mode_object *drmmode_obj; |
8566 | struct intel_crtc *crtc; | |
08d7b3d1 | 8567 | |
1cff8f6b DV |
8568 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
8569 | return -ENODEV; | |
08d7b3d1 | 8570 | |
c05422d5 DV |
8571 | drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id, |
8572 | DRM_MODE_OBJECT_CRTC); | |
08d7b3d1 | 8573 | |
c05422d5 | 8574 | if (!drmmode_obj) { |
08d7b3d1 CW |
8575 | DRM_ERROR("no such CRTC id\n"); |
8576 | return -EINVAL; | |
8577 | } | |
8578 | ||
c05422d5 DV |
8579 | crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); |
8580 | pipe_from_crtc_id->pipe = crtc->pipe; | |
08d7b3d1 | 8581 | |
c05422d5 | 8582 | return 0; |
08d7b3d1 CW |
8583 | } |
8584 | ||
66a9278e | 8585 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 8586 | { |
66a9278e DV |
8587 | struct drm_device *dev = encoder->base.dev; |
8588 | struct intel_encoder *source_encoder; | |
79e53945 | 8589 | int index_mask = 0; |
79e53945 JB |
8590 | int entry = 0; |
8591 | ||
66a9278e DV |
8592 | list_for_each_entry(source_encoder, |
8593 | &dev->mode_config.encoder_list, base.head) { | |
8594 | ||
8595 | if (encoder == source_encoder) | |
79e53945 | 8596 | index_mask |= (1 << entry); |
66a9278e DV |
8597 | |
8598 | /* Intel hw has only one MUX where enocoders could be cloned. */ | |
8599 | if (encoder->cloneable && source_encoder->cloneable) | |
8600 | index_mask |= (1 << entry); | |
8601 | ||
79e53945 JB |
8602 | entry++; |
8603 | } | |
4ef69c7a | 8604 | |
79e53945 JB |
8605 | return index_mask; |
8606 | } | |
8607 | ||
4d302442 CW |
8608 | static bool has_edp_a(struct drm_device *dev) |
8609 | { | |
8610 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8611 | ||
8612 | if (!IS_MOBILE(dev)) | |
8613 | return false; | |
8614 | ||
8615 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
8616 | return false; | |
8617 | ||
8618 | if (IS_GEN5(dev) && | |
8619 | (I915_READ(ILK_DISPLAY_CHICKEN_FUSES) & ILK_eDP_A_DISABLE)) | |
8620 | return false; | |
8621 | ||
8622 | return true; | |
8623 | } | |
8624 | ||
79e53945 JB |
8625 | static void intel_setup_outputs(struct drm_device *dev) |
8626 | { | |
725e30ad | 8627 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 8628 | struct intel_encoder *encoder; |
cb0953d7 | 8629 | bool dpd_is_edp = false; |
f3cfcba6 | 8630 | bool has_lvds; |
79e53945 | 8631 | |
f3cfcba6 | 8632 | has_lvds = intel_lvds_init(dev); |
c5d1b51d CW |
8633 | if (!has_lvds && !HAS_PCH_SPLIT(dev)) { |
8634 | /* disable the panel fitter on everything but LVDS */ | |
8635 | I915_WRITE(PFIT_CONTROL, 0); | |
8636 | } | |
79e53945 | 8637 | |
c40c0f5b | 8638 | if (!IS_ULT(dev)) |
79935fca | 8639 | intel_crt_init(dev); |
cb0953d7 | 8640 | |
affa9354 | 8641 | if (HAS_DDI(dev)) { |
0e72a5b5 ED |
8642 | int found; |
8643 | ||
8644 | /* Haswell uses DDI functions to detect digital outputs */ | |
8645 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; | |
8646 | /* DDI A only supports eDP */ | |
8647 | if (found) | |
8648 | intel_ddi_init(dev, PORT_A); | |
8649 | ||
8650 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
8651 | * register */ | |
8652 | found = I915_READ(SFUSE_STRAP); | |
8653 | ||
8654 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
8655 | intel_ddi_init(dev, PORT_B); | |
8656 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
8657 | intel_ddi_init(dev, PORT_C); | |
8658 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
8659 | intel_ddi_init(dev, PORT_D); | |
8660 | } else if (HAS_PCH_SPLIT(dev)) { | |
cb0953d7 | 8661 | int found; |
270b3042 DV |
8662 | dpd_is_edp = intel_dpd_is_edp(dev); |
8663 | ||
8664 | if (has_edp_a(dev)) | |
8665 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 8666 | |
dc0fa718 | 8667 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 8668 | /* PCH SDVOB multiplex with HDMIB */ |
eef4eacb | 8669 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
30ad48b7 | 8670 | if (!found) |
e2debe91 | 8671 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 8672 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 8673 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
8674 | } |
8675 | ||
dc0fa718 | 8676 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 8677 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 8678 | |
dc0fa718 | 8679 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 8680 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 8681 | |
5eb08b69 | 8682 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 8683 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 8684 | |
270b3042 | 8685 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 8686 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
4a87d65d | 8687 | } else if (IS_VALLEYVIEW(dev)) { |
19c03924 | 8688 | /* Check for built-in panel first. Shares lanes with HDMI on SDVOC */ |
67cfc203 VS |
8689 | if (I915_READ(VLV_DISPLAY_BASE + DP_C) & DP_DETECTED) |
8690 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_C, PORT_C); | |
19c03924 | 8691 | |
dc0fa718 | 8692 | if (I915_READ(VLV_DISPLAY_BASE + GEN4_HDMIB) & SDVO_DETECTED) { |
e2debe91 PZ |
8693 | intel_hdmi_init(dev, VLV_DISPLAY_BASE + GEN4_HDMIB, |
8694 | PORT_B); | |
67cfc203 VS |
8695 | if (I915_READ(VLV_DISPLAY_BASE + DP_B) & DP_DETECTED) |
8696 | intel_dp_init(dev, VLV_DISPLAY_BASE + DP_B, PORT_B); | |
4a87d65d | 8697 | } |
103a196f | 8698 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
27185ae1 | 8699 | bool found = false; |
7d57382e | 8700 | |
e2debe91 | 8701 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 8702 | DRM_DEBUG_KMS("probing SDVOB\n"); |
e2debe91 | 8703 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
b01f2c3a JB |
8704 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
8705 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); | |
e2debe91 | 8706 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 8707 | } |
27185ae1 | 8708 | |
b01f2c3a JB |
8709 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) { |
8710 | DRM_DEBUG_KMS("probing DP_B\n"); | |
ab9d7c30 | 8711 | intel_dp_init(dev, DP_B, PORT_B); |
b01f2c3a | 8712 | } |
725e30ad | 8713 | } |
13520b05 KH |
8714 | |
8715 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 8716 | |
e2debe91 | 8717 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 8718 | DRM_DEBUG_KMS("probing SDVOC\n"); |
e2debe91 | 8719 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
b01f2c3a | 8720 | } |
27185ae1 | 8721 | |
e2debe91 | 8722 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 8723 | |
b01f2c3a JB |
8724 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
8725 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); | |
e2debe91 | 8726 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a JB |
8727 | } |
8728 | if (SUPPORTS_INTEGRATED_DP(dev)) { | |
8729 | DRM_DEBUG_KMS("probing DP_C\n"); | |
ab9d7c30 | 8730 | intel_dp_init(dev, DP_C, PORT_C); |
b01f2c3a | 8731 | } |
725e30ad | 8732 | } |
27185ae1 | 8733 | |
b01f2c3a JB |
8734 | if (SUPPORTS_INTEGRATED_DP(dev) && |
8735 | (I915_READ(DP_D) & DP_DETECTED)) { | |
8736 | DRM_DEBUG_KMS("probing DP_D\n"); | |
ab9d7c30 | 8737 | intel_dp_init(dev, DP_D, PORT_D); |
b01f2c3a | 8738 | } |
bad720ff | 8739 | } else if (IS_GEN2(dev)) |
79e53945 JB |
8740 | intel_dvo_init(dev); |
8741 | ||
103a196f | 8742 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
8743 | intel_tv_init(dev); |
8744 | ||
4ef69c7a CW |
8745 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
8746 | encoder->base.possible_crtcs = encoder->crtc_mask; | |
8747 | encoder->base.possible_clones = | |
66a9278e | 8748 | intel_encoder_clones(encoder); |
79e53945 | 8749 | } |
47356eb6 | 8750 | |
dde86e2d | 8751 | intel_init_pch_refclk(dev); |
270b3042 DV |
8752 | |
8753 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
8754 | } |
8755 | ||
8756 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
8757 | { | |
8758 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
79e53945 JB |
8759 | |
8760 | drm_framebuffer_cleanup(fb); | |
05394f39 | 8761 | drm_gem_object_unreference_unlocked(&intel_fb->obj->base); |
79e53945 JB |
8762 | |
8763 | kfree(intel_fb); | |
8764 | } | |
8765 | ||
8766 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 8767 | struct drm_file *file, |
79e53945 JB |
8768 | unsigned int *handle) |
8769 | { | |
8770 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 8771 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 8772 | |
05394f39 | 8773 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
8774 | } |
8775 | ||
8776 | static const struct drm_framebuffer_funcs intel_fb_funcs = { | |
8777 | .destroy = intel_user_framebuffer_destroy, | |
8778 | .create_handle = intel_user_framebuffer_create_handle, | |
8779 | }; | |
8780 | ||
38651674 DA |
8781 | int intel_framebuffer_init(struct drm_device *dev, |
8782 | struct intel_framebuffer *intel_fb, | |
308e5bcb | 8783 | struct drm_mode_fb_cmd2 *mode_cmd, |
05394f39 | 8784 | struct drm_i915_gem_object *obj) |
79e53945 | 8785 | { |
79e53945 JB |
8786 | int ret; |
8787 | ||
c16ed4be CW |
8788 | if (obj->tiling_mode == I915_TILING_Y) { |
8789 | DRM_DEBUG("hardware does not support tiling Y\n"); | |
57cd6508 | 8790 | return -EINVAL; |
c16ed4be | 8791 | } |
57cd6508 | 8792 | |
c16ed4be CW |
8793 | if (mode_cmd->pitches[0] & 63) { |
8794 | DRM_DEBUG("pitch (%d) must be at least 64 byte aligned\n", | |
8795 | mode_cmd->pitches[0]); | |
57cd6508 | 8796 | return -EINVAL; |
c16ed4be | 8797 | } |
57cd6508 | 8798 | |
5d7bd705 | 8799 | /* FIXME <= Gen4 stride limits are bit unclear */ |
c16ed4be CW |
8800 | if (mode_cmd->pitches[0] > 32768) { |
8801 | DRM_DEBUG("pitch (%d) must be at less than 32768\n", | |
8802 | mode_cmd->pitches[0]); | |
5d7bd705 | 8803 | return -EINVAL; |
c16ed4be | 8804 | } |
5d7bd705 VS |
8805 | |
8806 | if (obj->tiling_mode != I915_TILING_NONE && | |
c16ed4be CW |
8807 | mode_cmd->pitches[0] != obj->stride) { |
8808 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
8809 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 8810 | return -EINVAL; |
c16ed4be | 8811 | } |
5d7bd705 | 8812 | |
57779d06 | 8813 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 8814 | switch (mode_cmd->pixel_format) { |
57779d06 | 8815 | case DRM_FORMAT_C8: |
04b3924d VS |
8816 | case DRM_FORMAT_RGB565: |
8817 | case DRM_FORMAT_XRGB8888: | |
8818 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
8819 | break; |
8820 | case DRM_FORMAT_XRGB1555: | |
8821 | case DRM_FORMAT_ARGB1555: | |
c16ed4be CW |
8822 | if (INTEL_INFO(dev)->gen > 3) { |
8823 | DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format); | |
57779d06 | 8824 | return -EINVAL; |
c16ed4be | 8825 | } |
57779d06 VS |
8826 | break; |
8827 | case DRM_FORMAT_XBGR8888: | |
8828 | case DRM_FORMAT_ABGR8888: | |
04b3924d VS |
8829 | case DRM_FORMAT_XRGB2101010: |
8830 | case DRM_FORMAT_ARGB2101010: | |
57779d06 VS |
8831 | case DRM_FORMAT_XBGR2101010: |
8832 | case DRM_FORMAT_ABGR2101010: | |
c16ed4be CW |
8833 | if (INTEL_INFO(dev)->gen < 4) { |
8834 | DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format); | |
57779d06 | 8835 | return -EINVAL; |
c16ed4be | 8836 | } |
b5626747 | 8837 | break; |
04b3924d VS |
8838 | case DRM_FORMAT_YUYV: |
8839 | case DRM_FORMAT_UYVY: | |
8840 | case DRM_FORMAT_YVYU: | |
8841 | case DRM_FORMAT_VYUY: | |
c16ed4be CW |
8842 | if (INTEL_INFO(dev)->gen < 5) { |
8843 | DRM_DEBUG("invalid format: 0x%08x\n", mode_cmd->pixel_format); | |
57779d06 | 8844 | return -EINVAL; |
c16ed4be | 8845 | } |
57cd6508 CW |
8846 | break; |
8847 | default: | |
c16ed4be | 8848 | DRM_DEBUG("unsupported pixel format 0x%08x\n", mode_cmd->pixel_format); |
57cd6508 CW |
8849 | return -EINVAL; |
8850 | } | |
8851 | ||
90f9a336 VS |
8852 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
8853 | if (mode_cmd->offsets[0] != 0) | |
8854 | return -EINVAL; | |
8855 | ||
c7d73f6a DV |
8856 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
8857 | intel_fb->obj = obj; | |
8858 | ||
79e53945 JB |
8859 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
8860 | if (ret) { | |
8861 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
8862 | return ret; | |
8863 | } | |
8864 | ||
79e53945 JB |
8865 | return 0; |
8866 | } | |
8867 | ||
79e53945 JB |
8868 | static struct drm_framebuffer * |
8869 | intel_user_framebuffer_create(struct drm_device *dev, | |
8870 | struct drm_file *filp, | |
308e5bcb | 8871 | struct drm_mode_fb_cmd2 *mode_cmd) |
79e53945 | 8872 | { |
05394f39 | 8873 | struct drm_i915_gem_object *obj; |
79e53945 | 8874 | |
308e5bcb JB |
8875 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
8876 | mode_cmd->handles[0])); | |
c8725226 | 8877 | if (&obj->base == NULL) |
cce13ff7 | 8878 | return ERR_PTR(-ENOENT); |
79e53945 | 8879 | |
d2dff872 | 8880 | return intel_framebuffer_create(dev, mode_cmd, obj); |
79e53945 JB |
8881 | } |
8882 | ||
79e53945 | 8883 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 8884 | .fb_create = intel_user_framebuffer_create, |
eb1f8e4f | 8885 | .output_poll_changed = intel_fb_output_poll_changed, |
79e53945 JB |
8886 | }; |
8887 | ||
e70236a8 JB |
8888 | /* Set up chip specific display functions */ |
8889 | static void intel_init_display(struct drm_device *dev) | |
8890 | { | |
8891 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8892 | ||
affa9354 | 8893 | if (HAS_DDI(dev)) { |
0e8ffe1b | 8894 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
09b4ddf9 | 8895 | dev_priv->display.crtc_mode_set = haswell_crtc_mode_set; |
4f771f10 PZ |
8896 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
8897 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
6441ab5f | 8898 | dev_priv->display.off = haswell_crtc_off; |
09b4ddf9 PZ |
8899 | dev_priv->display.update_plane = ironlake_update_plane; |
8900 | } else if (HAS_PCH_SPLIT(dev)) { | |
0e8ffe1b | 8901 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
f564048e | 8902 | dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; |
76e5a89c DV |
8903 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
8904 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
ee7b9f93 | 8905 | dev_priv->display.off = ironlake_crtc_off; |
17638cd6 | 8906 | dev_priv->display.update_plane = ironlake_update_plane; |
89b667f8 JB |
8907 | } else if (IS_VALLEYVIEW(dev)) { |
8908 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
8909 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; | |
8910 | dev_priv->display.crtc_enable = valleyview_crtc_enable; | |
8911 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
8912 | dev_priv->display.off = i9xx_crtc_off; | |
8913 | dev_priv->display.update_plane = i9xx_update_plane; | |
f564048e | 8914 | } else { |
0e8ffe1b | 8915 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
f564048e | 8916 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; |
76e5a89c DV |
8917 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
8918 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
ee7b9f93 | 8919 | dev_priv->display.off = i9xx_crtc_off; |
17638cd6 | 8920 | dev_priv->display.update_plane = i9xx_update_plane; |
f564048e | 8921 | } |
e70236a8 | 8922 | |
e70236a8 | 8923 | /* Returns the core display clock speed */ |
25eb05fc JB |
8924 | if (IS_VALLEYVIEW(dev)) |
8925 | dev_priv->display.get_display_clock_speed = | |
8926 | valleyview_get_display_clock_speed; | |
8927 | else if (IS_I945G(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) | |
e70236a8 JB |
8928 | dev_priv->display.get_display_clock_speed = |
8929 | i945_get_display_clock_speed; | |
8930 | else if (IS_I915G(dev)) | |
8931 | dev_priv->display.get_display_clock_speed = | |
8932 | i915_get_display_clock_speed; | |
f2b115e6 | 8933 | else if (IS_I945GM(dev) || IS_845G(dev) || IS_PINEVIEW_M(dev)) |
e70236a8 JB |
8934 | dev_priv->display.get_display_clock_speed = |
8935 | i9xx_misc_get_display_clock_speed; | |
8936 | else if (IS_I915GM(dev)) | |
8937 | dev_priv->display.get_display_clock_speed = | |
8938 | i915gm_get_display_clock_speed; | |
8939 | else if (IS_I865G(dev)) | |
8940 | dev_priv->display.get_display_clock_speed = | |
8941 | i865_get_display_clock_speed; | |
f0f8a9ce | 8942 | else if (IS_I85X(dev)) |
e70236a8 JB |
8943 | dev_priv->display.get_display_clock_speed = |
8944 | i855_get_display_clock_speed; | |
8945 | else /* 852, 830 */ | |
8946 | dev_priv->display.get_display_clock_speed = | |
8947 | i830_get_display_clock_speed; | |
8948 | ||
7f8a8569 | 8949 | if (HAS_PCH_SPLIT(dev)) { |
f00a3ddf | 8950 | if (IS_GEN5(dev)) { |
674cf967 | 8951 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
e0dac65e | 8952 | dev_priv->display.write_eld = ironlake_write_eld; |
1398261a | 8953 | } else if (IS_GEN6(dev)) { |
674cf967 | 8954 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; |
e0dac65e | 8955 | dev_priv->display.write_eld = ironlake_write_eld; |
357555c0 JB |
8956 | } else if (IS_IVYBRIDGE(dev)) { |
8957 | /* FIXME: detect B0+ stepping and use auto training */ | |
8958 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
e0dac65e | 8959 | dev_priv->display.write_eld = ironlake_write_eld; |
01a415fd DV |
8960 | dev_priv->display.modeset_global_resources = |
8961 | ivb_modeset_global_resources; | |
c82e4d26 ED |
8962 | } else if (IS_HASWELL(dev)) { |
8963 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; | |
83358c85 | 8964 | dev_priv->display.write_eld = haswell_write_eld; |
d6dd9eb1 DV |
8965 | dev_priv->display.modeset_global_resources = |
8966 | haswell_modeset_global_resources; | |
a0e63c22 | 8967 | } |
6067aaea | 8968 | } else if (IS_G4X(dev)) { |
e0dac65e | 8969 | dev_priv->display.write_eld = g4x_write_eld; |
e70236a8 | 8970 | } |
8c9f3aaf JB |
8971 | |
8972 | /* Default just returns -ENODEV to indicate unsupported */ | |
8973 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
8974 | ||
8975 | switch (INTEL_INFO(dev)->gen) { | |
8976 | case 2: | |
8977 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
8978 | break; | |
8979 | ||
8980 | case 3: | |
8981 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
8982 | break; | |
8983 | ||
8984 | case 4: | |
8985 | case 5: | |
8986 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
8987 | break; | |
8988 | ||
8989 | case 6: | |
8990 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
8991 | break; | |
7c9017e5 JB |
8992 | case 7: |
8993 | dev_priv->display.queue_flip = intel_gen7_queue_flip; | |
8994 | break; | |
8c9f3aaf | 8995 | } |
e70236a8 JB |
8996 | } |
8997 | ||
b690e96c JB |
8998 | /* |
8999 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
9000 | * resume, or other times. This quirk makes sure that's the case for | |
9001 | * affected systems. | |
9002 | */ | |
0206e353 | 9003 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
9004 | { |
9005 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9006 | ||
9007 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 9008 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
9009 | } |
9010 | ||
435793df KP |
9011 | /* |
9012 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
9013 | */ | |
9014 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
9015 | { | |
9016 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9017 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 9018 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
9019 | } |
9020 | ||
4dca20ef | 9021 | /* |
5a15ab5b CE |
9022 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
9023 | * brightness value | |
4dca20ef CE |
9024 | */ |
9025 | static void quirk_invert_brightness(struct drm_device *dev) | |
9026 | { | |
9027 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9028 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 9029 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
9030 | } |
9031 | ||
b690e96c JB |
9032 | struct intel_quirk { |
9033 | int device; | |
9034 | int subsystem_vendor; | |
9035 | int subsystem_device; | |
9036 | void (*hook)(struct drm_device *dev); | |
9037 | }; | |
9038 | ||
5f85f176 EE |
9039 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
9040 | struct intel_dmi_quirk { | |
9041 | void (*hook)(struct drm_device *dev); | |
9042 | const struct dmi_system_id (*dmi_id_list)[]; | |
9043 | }; | |
9044 | ||
9045 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
9046 | { | |
9047 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
9048 | return 1; | |
9049 | } | |
9050 | ||
9051 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
9052 | { | |
9053 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
9054 | { | |
9055 | .callback = intel_dmi_reverse_brightness, | |
9056 | .ident = "NCR Corporation", | |
9057 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
9058 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
9059 | }, | |
9060 | }, | |
9061 | { } /* terminating entry */ | |
9062 | }, | |
9063 | .hook = quirk_invert_brightness, | |
9064 | }, | |
9065 | }; | |
9066 | ||
c43b5634 | 9067 | static struct intel_quirk intel_quirks[] = { |
b690e96c | 9068 | /* HP Mini needs pipe A force quirk (LP: #322104) */ |
0206e353 | 9069 | { 0x27ae, 0x103c, 0x361a, quirk_pipea_force }, |
b690e96c | 9070 | |
b690e96c JB |
9071 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
9072 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
9073 | ||
b690e96c JB |
9074 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
9075 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
9076 | ||
ccd0d36e | 9077 | /* 830/845 need to leave pipe A & dpll A up */ |
b690e96c | 9078 | { 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, |
dcdaed6e | 9079 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, |
435793df KP |
9080 | |
9081 | /* Lenovo U160 cannot use SSC on LVDS */ | |
9082 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
9083 | |
9084 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
9085 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b CE |
9086 | |
9087 | /* Acer Aspire 5734Z must invert backlight brightness */ | |
9088 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
1ffff603 JN |
9089 | |
9090 | /* Acer/eMachines G725 */ | |
9091 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
01e3a8fe JN |
9092 | |
9093 | /* Acer/eMachines e725 */ | |
9094 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
5559ecad JN |
9095 | |
9096 | /* Acer/Packard Bell NCL20 */ | |
9097 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
ac4199e0 DV |
9098 | |
9099 | /* Acer Aspire 4736Z */ | |
9100 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
b690e96c JB |
9101 | }; |
9102 | ||
9103 | static void intel_init_quirks(struct drm_device *dev) | |
9104 | { | |
9105 | struct pci_dev *d = dev->pdev; | |
9106 | int i; | |
9107 | ||
9108 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
9109 | struct intel_quirk *q = &intel_quirks[i]; | |
9110 | ||
9111 | if (d->device == q->device && | |
9112 | (d->subsystem_vendor == q->subsystem_vendor || | |
9113 | q->subsystem_vendor == PCI_ANY_ID) && | |
9114 | (d->subsystem_device == q->subsystem_device || | |
9115 | q->subsystem_device == PCI_ANY_ID)) | |
9116 | q->hook(dev); | |
9117 | } | |
5f85f176 EE |
9118 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
9119 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
9120 | intel_dmi_quirks[i].hook(dev); | |
9121 | } | |
b690e96c JB |
9122 | } |
9123 | ||
9cce37f4 JB |
9124 | /* Disable the VGA plane that we never use */ |
9125 | static void i915_disable_vga(struct drm_device *dev) | |
9126 | { | |
9127 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9128 | u8 sr1; | |
766aa1c4 | 9129 | u32 vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 JB |
9130 | |
9131 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); | |
3fdcf431 | 9132 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
9133 | sr1 = inb(VGA_SR_DATA); |
9134 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
9135 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
9136 | udelay(300); | |
9137 | ||
9138 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); | |
9139 | POSTING_READ(vga_reg); | |
9140 | } | |
9141 | ||
f817586c DV |
9142 | void intel_modeset_init_hw(struct drm_device *dev) |
9143 | { | |
fa42e23c | 9144 | intel_init_power_well(dev); |
0232e927 | 9145 | |
a8f78b58 ED |
9146 | intel_prepare_ddi(dev); |
9147 | ||
f817586c DV |
9148 | intel_init_clock_gating(dev); |
9149 | ||
79f5b2c7 | 9150 | mutex_lock(&dev->struct_mutex); |
8090c6b9 | 9151 | intel_enable_gt_powersave(dev); |
79f5b2c7 | 9152 | mutex_unlock(&dev->struct_mutex); |
f817586c DV |
9153 | } |
9154 | ||
79e53945 JB |
9155 | void intel_modeset_init(struct drm_device *dev) |
9156 | { | |
652c393a | 9157 | struct drm_i915_private *dev_priv = dev->dev_private; |
7f1f3851 | 9158 | int i, j, ret; |
79e53945 JB |
9159 | |
9160 | drm_mode_config_init(dev); | |
9161 | ||
9162 | dev->mode_config.min_width = 0; | |
9163 | dev->mode_config.min_height = 0; | |
9164 | ||
019d96cb DA |
9165 | dev->mode_config.preferred_depth = 24; |
9166 | dev->mode_config.prefer_shadow = 1; | |
9167 | ||
e6ecefaa | 9168 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 9169 | |
b690e96c JB |
9170 | intel_init_quirks(dev); |
9171 | ||
1fa61106 ED |
9172 | intel_init_pm(dev); |
9173 | ||
e3c74757 BW |
9174 | if (INTEL_INFO(dev)->num_pipes == 0) |
9175 | return; | |
9176 | ||
e70236a8 JB |
9177 | intel_init_display(dev); |
9178 | ||
a6c45cf0 CW |
9179 | if (IS_GEN2(dev)) { |
9180 | dev->mode_config.max_width = 2048; | |
9181 | dev->mode_config.max_height = 2048; | |
9182 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
9183 | dev->mode_config.max_width = 4096; |
9184 | dev->mode_config.max_height = 4096; | |
79e53945 | 9185 | } else { |
a6c45cf0 CW |
9186 | dev->mode_config.max_width = 8192; |
9187 | dev->mode_config.max_height = 8192; | |
79e53945 | 9188 | } |
5d4545ae | 9189 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 9190 | |
28c97730 | 9191 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
9192 | INTEL_INFO(dev)->num_pipes, |
9193 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 9194 | |
7eb552ae | 9195 | for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) { |
79e53945 | 9196 | intel_crtc_init(dev, i); |
7f1f3851 JB |
9197 | for (j = 0; j < dev_priv->num_plane; j++) { |
9198 | ret = intel_plane_init(dev, i, j); | |
9199 | if (ret) | |
06da8da2 VS |
9200 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
9201 | pipe_name(i), sprite_name(i, j), ret); | |
7f1f3851 | 9202 | } |
79e53945 JB |
9203 | } |
9204 | ||
79f689aa | 9205 | intel_cpu_pll_init(dev); |
ee7b9f93 JB |
9206 | intel_pch_pll_init(dev); |
9207 | ||
9cce37f4 JB |
9208 | /* Just disable it once at startup */ |
9209 | i915_disable_vga(dev); | |
79e53945 | 9210 | intel_setup_outputs(dev); |
11be49eb CW |
9211 | |
9212 | /* Just in case the BIOS is doing something questionable. */ | |
9213 | intel_disable_fbc(dev); | |
2c7111db CW |
9214 | } |
9215 | ||
24929352 DV |
9216 | static void |
9217 | intel_connector_break_all_links(struct intel_connector *connector) | |
9218 | { | |
9219 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
9220 | connector->base.encoder = NULL; | |
9221 | connector->encoder->connectors_active = false; | |
9222 | connector->encoder->base.crtc = NULL; | |
9223 | } | |
9224 | ||
7fad798e DV |
9225 | static void intel_enable_pipe_a(struct drm_device *dev) |
9226 | { | |
9227 | struct intel_connector *connector; | |
9228 | struct drm_connector *crt = NULL; | |
9229 | struct intel_load_detect_pipe load_detect_temp; | |
9230 | ||
9231 | /* We can't just switch on the pipe A, we need to set things up with a | |
9232 | * proper mode and output configuration. As a gross hack, enable pipe A | |
9233 | * by enabling the load detect pipe once. */ | |
9234 | list_for_each_entry(connector, | |
9235 | &dev->mode_config.connector_list, | |
9236 | base.head) { | |
9237 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { | |
9238 | crt = &connector->base; | |
9239 | break; | |
9240 | } | |
9241 | } | |
9242 | ||
9243 | if (!crt) | |
9244 | return; | |
9245 | ||
9246 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp)) | |
9247 | intel_release_load_detect_pipe(crt, &load_detect_temp); | |
9248 | ||
652c393a | 9249 | |
7fad798e DV |
9250 | } |
9251 | ||
fa555837 DV |
9252 | static bool |
9253 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
9254 | { | |
7eb552ae BW |
9255 | struct drm_device *dev = crtc->base.dev; |
9256 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 DV |
9257 | u32 reg, val; |
9258 | ||
7eb552ae | 9259 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
9260 | return true; |
9261 | ||
9262 | reg = DSPCNTR(!crtc->plane); | |
9263 | val = I915_READ(reg); | |
9264 | ||
9265 | if ((val & DISPLAY_PLANE_ENABLE) && | |
9266 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
9267 | return false; | |
9268 | ||
9269 | return true; | |
9270 | } | |
9271 | ||
24929352 DV |
9272 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
9273 | { | |
9274 | struct drm_device *dev = crtc->base.dev; | |
9275 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 | 9276 | u32 reg; |
24929352 | 9277 | |
24929352 | 9278 | /* Clear any frame start delays used for debugging left by the BIOS */ |
3b117c8f | 9279 | reg = PIPECONF(crtc->config.cpu_transcoder); |
24929352 DV |
9280 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
9281 | ||
9282 | /* We need to sanitize the plane -> pipe mapping first because this will | |
fa555837 DV |
9283 | * disable the crtc (and hence change the state) if it is wrong. Note |
9284 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
9285 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
9286 | struct intel_connector *connector; |
9287 | bool plane; | |
9288 | ||
24929352 DV |
9289 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
9290 | crtc->base.base.id); | |
9291 | ||
9292 | /* Pipe has the wrong plane attached and the plane is active. | |
9293 | * Temporarily change the plane mapping and disable everything | |
9294 | * ... */ | |
9295 | plane = crtc->plane; | |
9296 | crtc->plane = !plane; | |
9297 | dev_priv->display.crtc_disable(&crtc->base); | |
9298 | crtc->plane = plane; | |
9299 | ||
9300 | /* ... and break all links. */ | |
9301 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
9302 | base.head) { | |
9303 | if (connector->encoder->base.crtc != &crtc->base) | |
9304 | continue; | |
9305 | ||
9306 | intel_connector_break_all_links(connector); | |
9307 | } | |
9308 | ||
9309 | WARN_ON(crtc->active); | |
9310 | crtc->base.enabled = false; | |
9311 | } | |
24929352 | 9312 | |
7fad798e DV |
9313 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
9314 | crtc->pipe == PIPE_A && !crtc->active) { | |
9315 | /* BIOS forgot to enable pipe A, this mostly happens after | |
9316 | * resume. Force-enable the pipe to fix this, the update_dpms | |
9317 | * call below we restore the pipe to the right state, but leave | |
9318 | * the required bits on. */ | |
9319 | intel_enable_pipe_a(dev); | |
9320 | } | |
9321 | ||
24929352 DV |
9322 | /* Adjust the state of the output pipe according to whether we |
9323 | * have active connectors/encoders. */ | |
9324 | intel_crtc_update_dpms(&crtc->base); | |
9325 | ||
9326 | if (crtc->active != crtc->base.enabled) { | |
9327 | struct intel_encoder *encoder; | |
9328 | ||
9329 | /* This can happen either due to bugs in the get_hw_state | |
9330 | * functions or because the pipe is force-enabled due to the | |
9331 | * pipe A quirk. */ | |
9332 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", | |
9333 | crtc->base.base.id, | |
9334 | crtc->base.enabled ? "enabled" : "disabled", | |
9335 | crtc->active ? "enabled" : "disabled"); | |
9336 | ||
9337 | crtc->base.enabled = crtc->active; | |
9338 | ||
9339 | /* Because we only establish the connector -> encoder -> | |
9340 | * crtc links if something is active, this means the | |
9341 | * crtc is now deactivated. Break the links. connector | |
9342 | * -> encoder links are only establish when things are | |
9343 | * actually up, hence no need to break them. */ | |
9344 | WARN_ON(crtc->active); | |
9345 | ||
9346 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { | |
9347 | WARN_ON(encoder->connectors_active); | |
9348 | encoder->base.crtc = NULL; | |
9349 | } | |
9350 | } | |
9351 | } | |
9352 | ||
9353 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
9354 | { | |
9355 | struct intel_connector *connector; | |
9356 | struct drm_device *dev = encoder->base.dev; | |
9357 | ||
9358 | /* We need to check both for a crtc link (meaning that the | |
9359 | * encoder is active and trying to read from a pipe) and the | |
9360 | * pipe itself being active. */ | |
9361 | bool has_active_crtc = encoder->base.crtc && | |
9362 | to_intel_crtc(encoder->base.crtc)->active; | |
9363 | ||
9364 | if (encoder->connectors_active && !has_active_crtc) { | |
9365 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", | |
9366 | encoder->base.base.id, | |
9367 | drm_get_encoder_name(&encoder->base)); | |
9368 | ||
9369 | /* Connector is active, but has no active pipe. This is | |
9370 | * fallout from our resume register restoring. Disable | |
9371 | * the encoder manually again. */ | |
9372 | if (encoder->base.crtc) { | |
9373 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
9374 | encoder->base.base.id, | |
9375 | drm_get_encoder_name(&encoder->base)); | |
9376 | encoder->disable(encoder); | |
9377 | } | |
9378 | ||
9379 | /* Inconsistent output/port/pipe state happens presumably due to | |
9380 | * a bug in one of the get_hw_state functions. Or someplace else | |
9381 | * in our code, like the register restore mess on resume. Clamp | |
9382 | * things to off as a safer default. */ | |
9383 | list_for_each_entry(connector, | |
9384 | &dev->mode_config.connector_list, | |
9385 | base.head) { | |
9386 | if (connector->encoder != encoder) | |
9387 | continue; | |
9388 | ||
9389 | intel_connector_break_all_links(connector); | |
9390 | } | |
9391 | } | |
9392 | /* Enabled encoders without active connectors will be fixed in | |
9393 | * the crtc fixup. */ | |
9394 | } | |
9395 | ||
44cec740 | 9396 | void i915_redisable_vga(struct drm_device *dev) |
0fde901f KM |
9397 | { |
9398 | struct drm_i915_private *dev_priv = dev->dev_private; | |
766aa1c4 | 9399 | u32 vga_reg = i915_vgacntrl_reg(dev); |
0fde901f KM |
9400 | |
9401 | if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { | |
9402 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
209d5211 | 9403 | i915_disable_vga(dev); |
0fde901f KM |
9404 | } |
9405 | } | |
9406 | ||
24929352 DV |
9407 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm |
9408 | * and i915 state tracking structures. */ | |
45e2b5f6 DV |
9409 | void intel_modeset_setup_hw_state(struct drm_device *dev, |
9410 | bool force_restore) | |
24929352 DV |
9411 | { |
9412 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9413 | enum pipe pipe; | |
9414 | u32 tmp; | |
b5644d05 | 9415 | struct drm_plane *plane; |
24929352 DV |
9416 | struct intel_crtc *crtc; |
9417 | struct intel_encoder *encoder; | |
9418 | struct intel_connector *connector; | |
9419 | ||
affa9354 | 9420 | if (HAS_DDI(dev)) { |
e28d54cb PZ |
9421 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
9422 | ||
9423 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
9424 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
9425 | case TRANS_DDI_EDP_INPUT_A_ON: | |
9426 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
9427 | pipe = PIPE_A; | |
9428 | break; | |
9429 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
9430 | pipe = PIPE_B; | |
9431 | break; | |
9432 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
9433 | pipe = PIPE_C; | |
9434 | break; | |
aaa148ec DL |
9435 | default: |
9436 | /* A bogus value has been programmed, disable | |
9437 | * the transcoder */ | |
9438 | WARN(1, "Bogus eDP source %08x\n", tmp); | |
9439 | intel_ddi_disable_transcoder_func(dev_priv, | |
9440 | TRANSCODER_EDP); | |
9441 | goto setup_pipes; | |
e28d54cb PZ |
9442 | } |
9443 | ||
9444 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
3b117c8f | 9445 | crtc->config.cpu_transcoder = TRANSCODER_EDP; |
e28d54cb PZ |
9446 | |
9447 | DRM_DEBUG_KMS("Pipe %c using transcoder EDP\n", | |
9448 | pipe_name(pipe)); | |
9449 | } | |
9450 | } | |
9451 | ||
aaa148ec | 9452 | setup_pipes: |
0e8ffe1b DV |
9453 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
9454 | base.head) { | |
3b117c8f | 9455 | enum transcoder tmp = crtc->config.cpu_transcoder; |
88adfff1 | 9456 | memset(&crtc->config, 0, sizeof(crtc->config)); |
3b117c8f DV |
9457 | crtc->config.cpu_transcoder = tmp; |
9458 | ||
0e8ffe1b DV |
9459 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
9460 | &crtc->config); | |
24929352 DV |
9461 | |
9462 | crtc->base.enabled = crtc->active; | |
9463 | ||
9464 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
9465 | crtc->base.base.id, | |
9466 | crtc->active ? "enabled" : "disabled"); | |
9467 | } | |
9468 | ||
affa9354 | 9469 | if (HAS_DDI(dev)) |
6441ab5f PZ |
9470 | intel_ddi_setup_hw_pll_state(dev); |
9471 | ||
24929352 DV |
9472 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
9473 | base.head) { | |
9474 | pipe = 0; | |
9475 | ||
9476 | if (encoder->get_hw_state(encoder, &pipe)) { | |
9477 | encoder->base.crtc = | |
9478 | dev_priv->pipe_to_crtc_mapping[pipe]; | |
9479 | } else { | |
9480 | encoder->base.crtc = NULL; | |
9481 | } | |
9482 | ||
9483 | encoder->connectors_active = false; | |
9484 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe=%i\n", | |
9485 | encoder->base.base.id, | |
9486 | drm_get_encoder_name(&encoder->base), | |
9487 | encoder->base.crtc ? "enabled" : "disabled", | |
9488 | pipe); | |
9489 | } | |
9490 | ||
9491 | list_for_each_entry(connector, &dev->mode_config.connector_list, | |
9492 | base.head) { | |
9493 | if (connector->get_hw_state(connector)) { | |
9494 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
9495 | connector->encoder->connectors_active = true; | |
9496 | connector->base.encoder = &connector->encoder->base; | |
9497 | } else { | |
9498 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
9499 | connector->base.encoder = NULL; | |
9500 | } | |
9501 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
9502 | connector->base.base.id, | |
9503 | drm_get_connector_name(&connector->base), | |
9504 | connector->base.encoder ? "enabled" : "disabled"); | |
9505 | } | |
9506 | ||
9507 | /* HW state is read out, now we need to sanitize this mess. */ | |
9508 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, | |
9509 | base.head) { | |
9510 | intel_sanitize_encoder(encoder); | |
9511 | } | |
9512 | ||
9513 | for_each_pipe(pipe) { | |
9514 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); | |
9515 | intel_sanitize_crtc(crtc); | |
9516 | } | |
9a935856 | 9517 | |
45e2b5f6 | 9518 | if (force_restore) { |
f30da187 DV |
9519 | /* |
9520 | * We need to use raw interfaces for restoring state to avoid | |
9521 | * checking (bogus) intermediate states. | |
9522 | */ | |
45e2b5f6 | 9523 | for_each_pipe(pipe) { |
b5644d05 JB |
9524 | struct drm_crtc *crtc = |
9525 | dev_priv->pipe_to_crtc_mapping[pipe]; | |
f30da187 DV |
9526 | |
9527 | __intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, | |
9528 | crtc->fb); | |
45e2b5f6 | 9529 | } |
b5644d05 JB |
9530 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) |
9531 | intel_plane_restore(plane); | |
0fde901f KM |
9532 | |
9533 | i915_redisable_vga(dev); | |
45e2b5f6 DV |
9534 | } else { |
9535 | intel_modeset_update_staged_output_state(dev); | |
9536 | } | |
8af6cf88 DV |
9537 | |
9538 | intel_modeset_check_state(dev); | |
2e938892 DV |
9539 | |
9540 | drm_mode_config_reset(dev); | |
2c7111db CW |
9541 | } |
9542 | ||
9543 | void intel_modeset_gem_init(struct drm_device *dev) | |
9544 | { | |
1833b134 | 9545 | intel_modeset_init_hw(dev); |
02e792fb DV |
9546 | |
9547 | intel_setup_overlay(dev); | |
24929352 | 9548 | |
45e2b5f6 | 9549 | intel_modeset_setup_hw_state(dev, false); |
79e53945 JB |
9550 | } |
9551 | ||
9552 | void intel_modeset_cleanup(struct drm_device *dev) | |
9553 | { | |
652c393a JB |
9554 | struct drm_i915_private *dev_priv = dev->dev_private; |
9555 | struct drm_crtc *crtc; | |
9556 | struct intel_crtc *intel_crtc; | |
9557 | ||
fd0c0642 DV |
9558 | /* |
9559 | * Interrupts and polling as the first thing to avoid creating havoc. | |
9560 | * Too much stuff here (turning of rps, connectors, ...) would | |
9561 | * experience fancy races otherwise. | |
9562 | */ | |
9563 | drm_irq_uninstall(dev); | |
9564 | cancel_work_sync(&dev_priv->hotplug_work); | |
9565 | /* | |
9566 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
9567 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
9568 | */ | |
f87ea761 | 9569 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 9570 | |
652c393a JB |
9571 | mutex_lock(&dev->struct_mutex); |
9572 | ||
723bfd70 JB |
9573 | intel_unregister_dsm_handler(); |
9574 | ||
652c393a JB |
9575 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
9576 | /* Skip inactive CRTCs */ | |
9577 | if (!crtc->fb) | |
9578 | continue; | |
9579 | ||
9580 | intel_crtc = to_intel_crtc(crtc); | |
3dec0095 | 9581 | intel_increase_pllclock(crtc); |
652c393a JB |
9582 | } |
9583 | ||
973d04f9 | 9584 | intel_disable_fbc(dev); |
e70236a8 | 9585 | |
8090c6b9 | 9586 | intel_disable_gt_powersave(dev); |
0cdab21f | 9587 | |
930ebb46 DV |
9588 | ironlake_teardown_rc6(dev); |
9589 | ||
69341a5e KH |
9590 | mutex_unlock(&dev->struct_mutex); |
9591 | ||
1630fe75 CW |
9592 | /* flush any delayed tasks or pending work */ |
9593 | flush_scheduled_work(); | |
9594 | ||
dc652f90 JN |
9595 | /* destroy backlight, if any, before the connectors */ |
9596 | intel_panel_destroy_backlight(dev); | |
9597 | ||
79e53945 | 9598 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
9599 | |
9600 | intel_cleanup_overlay(dev); | |
79e53945 JB |
9601 | } |
9602 | ||
f1c79df3 ZW |
9603 | /* |
9604 | * Return which encoder is currently attached for connector. | |
9605 | */ | |
df0e9248 | 9606 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 9607 | { |
df0e9248 CW |
9608 | return &intel_attached_encoder(connector)->base; |
9609 | } | |
f1c79df3 | 9610 | |
df0e9248 CW |
9611 | void intel_connector_attach_encoder(struct intel_connector *connector, |
9612 | struct intel_encoder *encoder) | |
9613 | { | |
9614 | connector->encoder = encoder; | |
9615 | drm_mode_connector_attach_encoder(&connector->base, | |
9616 | &encoder->base); | |
79e53945 | 9617 | } |
28d52043 DA |
9618 | |
9619 | /* | |
9620 | * set vga decode state - true == enable VGA decode | |
9621 | */ | |
9622 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
9623 | { | |
9624 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9625 | u16 gmch_ctrl; | |
9626 | ||
9627 | pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &gmch_ctrl); | |
9628 | if (state) | |
9629 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
9630 | else | |
9631 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
9632 | pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl); | |
9633 | return 0; | |
9634 | } | |
c4a1d9e4 CW |
9635 | |
9636 | #ifdef CONFIG_DEBUG_FS | |
9637 | #include <linux/seq_file.h> | |
9638 | ||
9639 | struct intel_display_error_state { | |
9640 | struct intel_cursor_error_state { | |
9641 | u32 control; | |
9642 | u32 position; | |
9643 | u32 base; | |
9644 | u32 size; | |
52331309 | 9645 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
9646 | |
9647 | struct intel_pipe_error_state { | |
9648 | u32 conf; | |
9649 | u32 source; | |
9650 | ||
9651 | u32 htotal; | |
9652 | u32 hblank; | |
9653 | u32 hsync; | |
9654 | u32 vtotal; | |
9655 | u32 vblank; | |
9656 | u32 vsync; | |
52331309 | 9657 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
9658 | |
9659 | struct intel_plane_error_state { | |
9660 | u32 control; | |
9661 | u32 stride; | |
9662 | u32 size; | |
9663 | u32 pos; | |
9664 | u32 addr; | |
9665 | u32 surface; | |
9666 | u32 tile_offset; | |
52331309 | 9667 | } plane[I915_MAX_PIPES]; |
c4a1d9e4 CW |
9668 | }; |
9669 | ||
9670 | struct intel_display_error_state * | |
9671 | intel_display_capture_error_state(struct drm_device *dev) | |
9672 | { | |
0206e353 | 9673 | drm_i915_private_t *dev_priv = dev->dev_private; |
c4a1d9e4 | 9674 | struct intel_display_error_state *error; |
702e7a56 | 9675 | enum transcoder cpu_transcoder; |
c4a1d9e4 CW |
9676 | int i; |
9677 | ||
9678 | error = kmalloc(sizeof(*error), GFP_ATOMIC); | |
9679 | if (error == NULL) | |
9680 | return NULL; | |
9681 | ||
52331309 | 9682 | for_each_pipe(i) { |
702e7a56 PZ |
9683 | cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i); |
9684 | ||
a18c4c3d PZ |
9685 | if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) { |
9686 | error->cursor[i].control = I915_READ(CURCNTR(i)); | |
9687 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
9688 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
9689 | } else { | |
9690 | error->cursor[i].control = I915_READ(CURCNTR_IVB(i)); | |
9691 | error->cursor[i].position = I915_READ(CURPOS_IVB(i)); | |
9692 | error->cursor[i].base = I915_READ(CURBASE_IVB(i)); | |
9693 | } | |
c4a1d9e4 CW |
9694 | |
9695 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
9696 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 9697 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 9698 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
9699 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
9700 | } | |
ca291363 PZ |
9701 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
9702 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
9703 | if (INTEL_INFO(dev)->gen >= 4) { |
9704 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
9705 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
9706 | } | |
9707 | ||
702e7a56 | 9708 | error->pipe[i].conf = I915_READ(PIPECONF(cpu_transcoder)); |
c4a1d9e4 | 9709 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
fe2b8f9d PZ |
9710 | error->pipe[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); |
9711 | error->pipe[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
9712 | error->pipe[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
9713 | error->pipe[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
9714 | error->pipe[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
9715 | error->pipe[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
9716 | } |
9717 | ||
9718 | return error; | |
9719 | } | |
9720 | ||
9721 | void | |
9722 | intel_display_print_error_state(struct seq_file *m, | |
9723 | struct drm_device *dev, | |
9724 | struct intel_display_error_state *error) | |
9725 | { | |
9726 | int i; | |
9727 | ||
7eb552ae | 9728 | seq_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
52331309 | 9729 | for_each_pipe(i) { |
c4a1d9e4 CW |
9730 | seq_printf(m, "Pipe [%d]:\n", i); |
9731 | seq_printf(m, " CONF: %08x\n", error->pipe[i].conf); | |
9732 | seq_printf(m, " SRC: %08x\n", error->pipe[i].source); | |
9733 | seq_printf(m, " HTOTAL: %08x\n", error->pipe[i].htotal); | |
9734 | seq_printf(m, " HBLANK: %08x\n", error->pipe[i].hblank); | |
9735 | seq_printf(m, " HSYNC: %08x\n", error->pipe[i].hsync); | |
9736 | seq_printf(m, " VTOTAL: %08x\n", error->pipe[i].vtotal); | |
9737 | seq_printf(m, " VBLANK: %08x\n", error->pipe[i].vblank); | |
9738 | seq_printf(m, " VSYNC: %08x\n", error->pipe[i].vsync); | |
9739 | ||
9740 | seq_printf(m, "Plane [%d]:\n", i); | |
9741 | seq_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
9742 | seq_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 9743 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 9744 | seq_printf(m, " SIZE: %08x\n", error->plane[i].size); |
80ca378b PZ |
9745 | seq_printf(m, " POS: %08x\n", error->plane[i].pos); |
9746 | } | |
4b71a570 | 9747 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
ca291363 | 9748 | seq_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 CW |
9749 | if (INTEL_INFO(dev)->gen >= 4) { |
9750 | seq_printf(m, " SURF: %08x\n", error->plane[i].surface); | |
9751 | seq_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
9752 | } | |
9753 | ||
9754 | seq_printf(m, "Cursor [%d]:\n", i); | |
9755 | seq_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
9756 | seq_printf(m, " POS: %08x\n", error->cursor[i].position); | |
9757 | seq_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
9758 | } | |
9759 | } | |
9760 | #endif |