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1da177e4 LT |
1 | /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- |
2 | */ | |
0d6aa60b | 3 | /* |
bc54fd1a | 4 | * |
1da177e4 LT |
5 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
6 | * All Rights Reserved. | |
bc54fd1a DA |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the | |
10 | * "Software"), to deal in the Software without restriction, including | |
11 | * without limitation the rights to use, copy, modify, merge, publish, | |
12 | * distribute, sub license, and/or sell copies of the Software, and to | |
13 | * permit persons to whom the Software is furnished to do so, subject to | |
14 | * the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice (including the | |
17 | * next paragraph) shall be included in all copies or substantial portions | |
18 | * of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
21 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
23 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR | |
24 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
25 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
26 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
27 | * | |
0d6aa60b | 28 | */ |
1da177e4 | 29 | |
5669fcac | 30 | #include <linux/device.h> |
760285e7 DH |
31 | #include <drm/drmP.h> |
32 | #include <drm/i915_drm.h> | |
1da177e4 | 33 | #include "i915_drv.h" |
990bbdad | 34 | #include "i915_trace.h" |
f49f0586 | 35 | #include "intel_drv.h" |
1da177e4 | 36 | |
79e53945 | 37 | #include <linux/console.h> |
e0cd3608 | 38 | #include <linux/module.h> |
760285e7 | 39 | #include <drm/drm_crtc_helper.h> |
79e53945 | 40 | |
a35d9d3c | 41 | static int i915_modeset __read_mostly = -1; |
79e53945 | 42 | module_param_named(modeset, i915_modeset, int, 0400); |
6e96e775 BW |
43 | MODULE_PARM_DESC(modeset, |
44 | "Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, " | |
45 | "1=on, -1=force vga console preference [default])"); | |
79e53945 | 46 | |
a35d9d3c | 47 | unsigned int i915_fbpercrtc __always_unused = 0; |
79e53945 | 48 | module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); |
1da177e4 | 49 | |
a726915c | 50 | int i915_panel_ignore_lid __read_mostly = 1; |
fca87409 | 51 | module_param_named(panel_ignore_lid, i915_panel_ignore_lid, int, 0600); |
6e96e775 | 52 | MODULE_PARM_DESC(panel_ignore_lid, |
a726915c DV |
53 | "Override lid status (0=autodetect, 1=autodetect disabled [default], " |
54 | "-1=force lid closed, -2=force lid open)"); | |
fca87409 | 55 | |
a35d9d3c | 56 | unsigned int i915_powersave __read_mostly = 1; |
0aa99277 | 57 | module_param_named(powersave, i915_powersave, int, 0600); |
6e96e775 BW |
58 | MODULE_PARM_DESC(powersave, |
59 | "Enable powersavings, fbc, downclocking, etc. (default: true)"); | |
652c393a | 60 | |
f45b5557 | 61 | int i915_semaphores __read_mostly = -1; |
fae0ce15 | 62 | module_param_named(semaphores, i915_semaphores, int, 0400); |
6e96e775 | 63 | MODULE_PARM_DESC(semaphores, |
f45b5557 | 64 | "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))"); |
a1656b90 | 65 | |
c0f372b3 | 66 | int i915_enable_rc6 __read_mostly = -1; |
f57f9c16 | 67 | module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400); |
6e96e775 | 68 | MODULE_PARM_DESC(i915_enable_rc6, |
83b7f9ac ED |
69 | "Enable power-saving render C-state 6. " |
70 | "Different stages can be selected via bitmask values " | |
71 | "(0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). " | |
72 | "For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. " | |
73 | "default: -1 (use per-chip default)"); | |
ac668088 | 74 | |
4415e63b | 75 | int i915_enable_fbc __read_mostly = -1; |
c1a9f047 | 76 | module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); |
6e96e775 BW |
77 | MODULE_PARM_DESC(i915_enable_fbc, |
78 | "Enable frame buffer compression for power savings " | |
cd0de039 | 79 | "(default: -1 (use per-chip default))"); |
c1a9f047 | 80 | |
a35d9d3c | 81 | unsigned int i915_lvds_downclock __read_mostly = 0; |
33814341 | 82 | module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); |
6e96e775 BW |
83 | MODULE_PARM_DESC(lvds_downclock, |
84 | "Use panel (LVDS/eDP) downclocking for power savings " | |
85 | "(default: false)"); | |
33814341 | 86 | |
121d527a TI |
87 | int i915_lvds_channel_mode __read_mostly; |
88 | module_param_named(lvds_channel_mode, i915_lvds_channel_mode, int, 0600); | |
89 | MODULE_PARM_DESC(lvds_channel_mode, | |
90 | "Specify LVDS channel mode " | |
91 | "(0=probe BIOS [default], 1=single-channel, 2=dual-channel)"); | |
92 | ||
4415e63b | 93 | int i915_panel_use_ssc __read_mostly = -1; |
a7615030 | 94 | module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600); |
6e96e775 BW |
95 | MODULE_PARM_DESC(lvds_use_ssc, |
96 | "Use Spread Spectrum Clock with panels [LVDS/eDP] " | |
72bbe58c | 97 | "(default: auto from VBT)"); |
a7615030 | 98 | |
a35d9d3c | 99 | int i915_vbt_sdvo_panel_type __read_mostly = -1; |
5a1e5b6c | 100 | module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600); |
6e96e775 | 101 | MODULE_PARM_DESC(vbt_sdvo_panel_type, |
c10e408a MF |
102 | "Override/Ignore selection of SDVO panel mode in the VBT " |
103 | "(-2=ignore, -1=auto [default], index in VBT BIOS table)"); | |
5a1e5b6c | 104 | |
a35d9d3c | 105 | static bool i915_try_reset __read_mostly = true; |
d78cb50b | 106 | module_param_named(reset, i915_try_reset, bool, 0600); |
6e96e775 | 107 | MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)"); |
d78cb50b | 108 | |
a35d9d3c | 109 | bool i915_enable_hangcheck __read_mostly = true; |
3e0dc6b0 | 110 | module_param_named(enable_hangcheck, i915_enable_hangcheck, bool, 0644); |
6e96e775 BW |
111 | MODULE_PARM_DESC(enable_hangcheck, |
112 | "Periodically check GPU activity for detecting hangs. " | |
113 | "WARNING: Disabling this can cause system wide hangs. " | |
114 | "(default: true)"); | |
3e0dc6b0 | 115 | |
650dc07e | 116 | int i915_enable_ppgtt __read_mostly = -1; |
ad52546e | 117 | module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0400); |
e21af88d DV |
118 | MODULE_PARM_DESC(i915_enable_ppgtt, |
119 | "Enable PPGTT (default: true)"); | |
120 | ||
105b7c11 RV |
121 | int i915_enable_psr __read_mostly = 0; |
122 | module_param_named(enable_psr, i915_enable_psr, int, 0600); | |
123 | MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)"); | |
124 | ||
99486b8e | 125 | unsigned int i915_preliminary_hw_support __read_mostly = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT); |
0a3af268 RV |
126 | module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600); |
127 | MODULE_PARM_DESC(preliminary_hw_support, | |
99486b8e | 128 | "Enable preliminary hardware support."); |
0a3af268 | 129 | |
bf51d5e2 | 130 | int i915_disable_power_well __read_mostly = 1; |
2124b72e PZ |
131 | module_param_named(disable_power_well, i915_disable_power_well, int, 0600); |
132 | MODULE_PARM_DESC(disable_power_well, | |
bf51d5e2 | 133 | "Disable the power well when possible (default: true)"); |
2124b72e | 134 | |
3c4ca58c PZ |
135 | int i915_enable_ips __read_mostly = 1; |
136 | module_param_named(enable_ips, i915_enable_ips, int, 0600); | |
137 | MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)"); | |
138 | ||
2385bdf0 JB |
139 | bool i915_fastboot __read_mostly = 0; |
140 | module_param_named(fastboot, i915_fastboot, bool, 0600); | |
141 | MODULE_PARM_DESC(fastboot, "Try to skip unnecessary mode sets at boot time " | |
142 | "(default: false)"); | |
143 | ||
e27e9708 | 144 | int i915_enable_pc8 __read_mostly = 1; |
c67a470b | 145 | module_param_named(enable_pc8, i915_enable_pc8, int, 0600); |
e27e9708 | 146 | MODULE_PARM_DESC(enable_pc8, "Enable support for low power package C states (PC8+) (default: true)"); |
c67a470b | 147 | |
90058745 PZ |
148 | int i915_pc8_timeout __read_mostly = 5000; |
149 | module_param_named(pc8_timeout, i915_pc8_timeout, int, 0600); | |
150 | MODULE_PARM_DESC(pc8_timeout, "Number of msecs of idleness required to enter PC8+ (default: 5000)"); | |
151 | ||
0b74b508 XZ |
152 | bool i915_prefault_disable __read_mostly; |
153 | module_param_named(prefault_disable, i915_prefault_disable, bool, 0600); | |
154 | MODULE_PARM_DESC(prefault_disable, | |
155 | "Disable page prefaulting for pread/pwrite/reloc (default:false). For developers only."); | |
156 | ||
112b715e KH |
157 | static struct drm_driver driver; |
158 | ||
9a7e8492 | 159 | static const struct intel_device_info intel_i830_info = { |
7eb552ae | 160 | .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, .num_pipes = 2, |
31578148 | 161 | .has_overlay = 1, .overlay_needs_physical = 1, |
73ae478c | 162 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
163 | }; |
164 | ||
9a7e8492 | 165 | static const struct intel_device_info intel_845g_info = { |
7eb552ae | 166 | .gen = 2, .num_pipes = 1, |
31578148 | 167 | .has_overlay = 1, .overlay_needs_physical = 1, |
73ae478c | 168 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
169 | }; |
170 | ||
9a7e8492 | 171 | static const struct intel_device_info intel_i85x_info = { |
7eb552ae | 172 | .gen = 2, .is_i85x = 1, .is_mobile = 1, .num_pipes = 2, |
5ce8ba7c | 173 | .cursor_needs_physical = 1, |
31578148 | 174 | .has_overlay = 1, .overlay_needs_physical = 1, |
fd70d52a | 175 | .has_fbc = 1, |
73ae478c | 176 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
177 | }; |
178 | ||
9a7e8492 | 179 | static const struct intel_device_info intel_i865g_info = { |
7eb552ae | 180 | .gen = 2, .num_pipes = 1, |
31578148 | 181 | .has_overlay = 1, .overlay_needs_physical = 1, |
73ae478c | 182 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
183 | }; |
184 | ||
9a7e8492 | 185 | static const struct intel_device_info intel_i915g_info = { |
7eb552ae | 186 | .gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, .num_pipes = 2, |
31578148 | 187 | .has_overlay = 1, .overlay_needs_physical = 1, |
73ae478c | 188 | .ring_mask = RENDER_RING, |
cfdf1fa2 | 189 | }; |
9a7e8492 | 190 | static const struct intel_device_info intel_i915gm_info = { |
7eb552ae | 191 | .gen = 3, .is_mobile = 1, .num_pipes = 2, |
b295d1b6 | 192 | .cursor_needs_physical = 1, |
31578148 | 193 | .has_overlay = 1, .overlay_needs_physical = 1, |
a6c45cf0 | 194 | .supports_tv = 1, |
fd70d52a | 195 | .has_fbc = 1, |
73ae478c | 196 | .ring_mask = RENDER_RING, |
cfdf1fa2 | 197 | }; |
9a7e8492 | 198 | static const struct intel_device_info intel_i945g_info = { |
7eb552ae | 199 | .gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, .num_pipes = 2, |
31578148 | 200 | .has_overlay = 1, .overlay_needs_physical = 1, |
73ae478c | 201 | .ring_mask = RENDER_RING, |
cfdf1fa2 | 202 | }; |
9a7e8492 | 203 | static const struct intel_device_info intel_i945gm_info = { |
7eb552ae | 204 | .gen = 3, .is_i945gm = 1, .is_mobile = 1, .num_pipes = 2, |
b295d1b6 | 205 | .has_hotplug = 1, .cursor_needs_physical = 1, |
31578148 | 206 | .has_overlay = 1, .overlay_needs_physical = 1, |
a6c45cf0 | 207 | .supports_tv = 1, |
fd70d52a | 208 | .has_fbc = 1, |
73ae478c | 209 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
210 | }; |
211 | ||
9a7e8492 | 212 | static const struct intel_device_info intel_i965g_info = { |
7eb552ae | 213 | .gen = 4, .is_broadwater = 1, .num_pipes = 2, |
c96c3a8c | 214 | .has_hotplug = 1, |
31578148 | 215 | .has_overlay = 1, |
73ae478c | 216 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
217 | }; |
218 | ||
9a7e8492 | 219 | static const struct intel_device_info intel_i965gm_info = { |
7eb552ae | 220 | .gen = 4, .is_crestline = 1, .num_pipes = 2, |
e3c4e5dd | 221 | .is_mobile = 1, .has_fbc = 1, .has_hotplug = 1, |
31578148 | 222 | .has_overlay = 1, |
a6c45cf0 | 223 | .supports_tv = 1, |
73ae478c | 224 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
225 | }; |
226 | ||
9a7e8492 | 227 | static const struct intel_device_info intel_g33_info = { |
7eb552ae | 228 | .gen = 3, .is_g33 = 1, .num_pipes = 2, |
c96c3a8c | 229 | .need_gfx_hws = 1, .has_hotplug = 1, |
31578148 | 230 | .has_overlay = 1, |
73ae478c | 231 | .ring_mask = RENDER_RING, |
cfdf1fa2 KH |
232 | }; |
233 | ||
9a7e8492 | 234 | static const struct intel_device_info intel_g45_info = { |
7eb552ae | 235 | .gen = 4, .is_g4x = 1, .need_gfx_hws = 1, .num_pipes = 2, |
c96c3a8c | 236 | .has_pipe_cxsr = 1, .has_hotplug = 1, |
73ae478c | 237 | .ring_mask = RENDER_RING | BSD_RING, |
cfdf1fa2 KH |
238 | }; |
239 | ||
9a7e8492 | 240 | static const struct intel_device_info intel_gm45_info = { |
7eb552ae | 241 | .gen = 4, .is_g4x = 1, .num_pipes = 2, |
e3c4e5dd | 242 | .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, |
c96c3a8c | 243 | .has_pipe_cxsr = 1, .has_hotplug = 1, |
a6c45cf0 | 244 | .supports_tv = 1, |
73ae478c | 245 | .ring_mask = RENDER_RING | BSD_RING, |
cfdf1fa2 KH |
246 | }; |
247 | ||
9a7e8492 | 248 | static const struct intel_device_info intel_pineview_info = { |
7eb552ae | 249 | .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .num_pipes = 2, |
c96c3a8c | 250 | .need_gfx_hws = 1, .has_hotplug = 1, |
31578148 | 251 | .has_overlay = 1, |
cfdf1fa2 KH |
252 | }; |
253 | ||
9a7e8492 | 254 | static const struct intel_device_info intel_ironlake_d_info = { |
7eb552ae | 255 | .gen = 5, .num_pipes = 2, |
5a117db7 | 256 | .need_gfx_hws = 1, .has_hotplug = 1, |
73ae478c | 257 | .ring_mask = RENDER_RING | BSD_RING, |
cfdf1fa2 KH |
258 | }; |
259 | ||
9a7e8492 | 260 | static const struct intel_device_info intel_ironlake_m_info = { |
7eb552ae | 261 | .gen = 5, .is_mobile = 1, .num_pipes = 2, |
e3c4e5dd | 262 | .need_gfx_hws = 1, .has_hotplug = 1, |
c1a9f047 | 263 | .has_fbc = 1, |
73ae478c | 264 | .ring_mask = RENDER_RING | BSD_RING, |
cfdf1fa2 KH |
265 | }; |
266 | ||
9a7e8492 | 267 | static const struct intel_device_info intel_sandybridge_d_info = { |
7eb552ae | 268 | .gen = 6, .num_pipes = 2, |
c96c3a8c | 269 | .need_gfx_hws = 1, .has_hotplug = 1, |
cbaef0f1 | 270 | .has_fbc = 1, |
73ae478c | 271 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING, |
3d29b842 | 272 | .has_llc = 1, |
f6e450a6 EA |
273 | }; |
274 | ||
9a7e8492 | 275 | static const struct intel_device_info intel_sandybridge_m_info = { |
7eb552ae | 276 | .gen = 6, .is_mobile = 1, .num_pipes = 2, |
c96c3a8c | 277 | .need_gfx_hws = 1, .has_hotplug = 1, |
9c04f015 | 278 | .has_fbc = 1, |
73ae478c | 279 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING, |
3d29b842 | 280 | .has_llc = 1, |
a13e4093 EA |
281 | }; |
282 | ||
219f4fdb BW |
283 | #define GEN7_FEATURES \ |
284 | .gen = 7, .num_pipes = 3, \ | |
285 | .need_gfx_hws = 1, .has_hotplug = 1, \ | |
cbaef0f1 | 286 | .has_fbc = 1, \ |
73ae478c | 287 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \ |
ab484f8f | 288 | .has_llc = 1 |
219f4fdb | 289 | |
c76b615c | 290 | static const struct intel_device_info intel_ivybridge_d_info = { |
219f4fdb BW |
291 | GEN7_FEATURES, |
292 | .is_ivybridge = 1, | |
c76b615c JB |
293 | }; |
294 | ||
295 | static const struct intel_device_info intel_ivybridge_m_info = { | |
219f4fdb BW |
296 | GEN7_FEATURES, |
297 | .is_ivybridge = 1, | |
298 | .is_mobile = 1, | |
c76b615c JB |
299 | }; |
300 | ||
999bcdea BW |
301 | static const struct intel_device_info intel_ivybridge_q_info = { |
302 | GEN7_FEATURES, | |
303 | .is_ivybridge = 1, | |
304 | .num_pipes = 0, /* legal, last one wins */ | |
305 | }; | |
306 | ||
70a3eb7a | 307 | static const struct intel_device_info intel_valleyview_m_info = { |
219f4fdb BW |
308 | GEN7_FEATURES, |
309 | .is_mobile = 1, | |
310 | .num_pipes = 2, | |
70a3eb7a | 311 | .is_valleyview = 1, |
fba5d532 | 312 | .display_mmio_offset = VLV_DISPLAY_BASE, |
cbaef0f1 | 313 | .has_fbc = 0, /* legal, last one wins */ |
30ccd964 | 314 | .has_llc = 0, /* legal, last one wins */ |
70a3eb7a JB |
315 | }; |
316 | ||
317 | static const struct intel_device_info intel_valleyview_d_info = { | |
219f4fdb BW |
318 | GEN7_FEATURES, |
319 | .num_pipes = 2, | |
70a3eb7a | 320 | .is_valleyview = 1, |
fba5d532 | 321 | .display_mmio_offset = VLV_DISPLAY_BASE, |
cbaef0f1 | 322 | .has_fbc = 0, /* legal, last one wins */ |
30ccd964 | 323 | .has_llc = 0, /* legal, last one wins */ |
70a3eb7a JB |
324 | }; |
325 | ||
4cae9ae0 | 326 | static const struct intel_device_info intel_haswell_d_info = { |
219f4fdb BW |
327 | GEN7_FEATURES, |
328 | .is_haswell = 1, | |
dd93be58 | 329 | .has_ddi = 1, |
30568c45 | 330 | .has_fpga_dbg = 1, |
73ae478c | 331 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, |
4cae9ae0 ED |
332 | }; |
333 | ||
334 | static const struct intel_device_info intel_haswell_m_info = { | |
219f4fdb BW |
335 | GEN7_FEATURES, |
336 | .is_haswell = 1, | |
337 | .is_mobile = 1, | |
dd93be58 | 338 | .has_ddi = 1, |
30568c45 | 339 | .has_fpga_dbg = 1, |
73ae478c | 340 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, |
c76b615c JB |
341 | }; |
342 | ||
4d4dead6 | 343 | static const struct intel_device_info intel_broadwell_d_info = { |
4b30553d | 344 | .gen = 8, .num_pipes = 3, |
4d4dead6 BW |
345 | .need_gfx_hws = 1, .has_hotplug = 1, |
346 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, | |
347 | .has_llc = 1, | |
348 | .has_ddi = 1, | |
349 | }; | |
350 | ||
351 | static const struct intel_device_info intel_broadwell_m_info = { | |
4b30553d | 352 | .gen = 8, .is_mobile = 1, .num_pipes = 3, |
4d4dead6 BW |
353 | .need_gfx_hws = 1, .has_hotplug = 1, |
354 | .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, | |
355 | .has_llc = 1, | |
356 | .has_ddi = 1, | |
357 | }; | |
358 | ||
a0a18075 JB |
359 | /* |
360 | * Make sure any device matches here are from most specific to most | |
361 | * general. For example, since the Quanta match is based on the subsystem | |
362 | * and subvendor IDs, we need it to come before the more general IVB | |
363 | * PCI ID matches, otherwise we'll use the wrong info struct above. | |
364 | */ | |
365 | #define INTEL_PCI_IDS \ | |
366 | INTEL_I830_IDS(&intel_i830_info), \ | |
367 | INTEL_I845G_IDS(&intel_845g_info), \ | |
368 | INTEL_I85X_IDS(&intel_i85x_info), \ | |
369 | INTEL_I865G_IDS(&intel_i865g_info), \ | |
370 | INTEL_I915G_IDS(&intel_i915g_info), \ | |
371 | INTEL_I915GM_IDS(&intel_i915gm_info), \ | |
372 | INTEL_I945G_IDS(&intel_i945g_info), \ | |
373 | INTEL_I945GM_IDS(&intel_i945gm_info), \ | |
374 | INTEL_I965G_IDS(&intel_i965g_info), \ | |
375 | INTEL_G33_IDS(&intel_g33_info), \ | |
376 | INTEL_I965GM_IDS(&intel_i965gm_info), \ | |
377 | INTEL_GM45_IDS(&intel_gm45_info), \ | |
378 | INTEL_G45_IDS(&intel_g45_info), \ | |
379 | INTEL_PINEVIEW_IDS(&intel_pineview_info), \ | |
380 | INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info), \ | |
381 | INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info), \ | |
382 | INTEL_SNB_D_IDS(&intel_sandybridge_d_info), \ | |
383 | INTEL_SNB_M_IDS(&intel_sandybridge_m_info), \ | |
384 | INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */ \ | |
385 | INTEL_IVB_M_IDS(&intel_ivybridge_m_info), \ | |
386 | INTEL_IVB_D_IDS(&intel_ivybridge_d_info), \ | |
387 | INTEL_HSW_D_IDS(&intel_haswell_d_info), \ | |
388 | INTEL_HSW_M_IDS(&intel_haswell_m_info), \ | |
389 | INTEL_VLV_M_IDS(&intel_valleyview_m_info), \ | |
4d4dead6 BW |
390 | INTEL_VLV_D_IDS(&intel_valleyview_d_info), \ |
391 | INTEL_BDW_M_IDS(&intel_broadwell_m_info), \ | |
392 | INTEL_BDW_D_IDS(&intel_broadwell_d_info) | |
a0a18075 | 393 | |
6103da0d | 394 | static const struct pci_device_id pciidlist[] = { /* aka */ |
a0a18075 | 395 | INTEL_PCI_IDS, |
49ae35f2 | 396 | {0, 0, 0} |
1da177e4 LT |
397 | }; |
398 | ||
79e53945 JB |
399 | #if defined(CONFIG_DRM_I915_KMS) |
400 | MODULE_DEVICE_TABLE(pci, pciidlist); | |
401 | #endif | |
402 | ||
0206e353 | 403 | void intel_detect_pch(struct drm_device *dev) |
3bad0781 ZW |
404 | { |
405 | struct drm_i915_private *dev_priv = dev->dev_private; | |
406 | struct pci_dev *pch; | |
407 | ||
ce1bb329 BW |
408 | /* In all current cases, num_pipes is equivalent to the PCH_NOP setting |
409 | * (which really amounts to a PCH but no South Display). | |
410 | */ | |
411 | if (INTEL_INFO(dev)->num_pipes == 0) { | |
412 | dev_priv->pch_type = PCH_NOP; | |
ce1bb329 BW |
413 | return; |
414 | } | |
415 | ||
3bad0781 ZW |
416 | /* |
417 | * The reason to probe ISA bridge instead of Dev31:Fun0 is to | |
418 | * make graphics device passthrough work easy for VMM, that only | |
419 | * need to expose ISA bridge to let driver know the real hardware | |
420 | * underneath. This is a requirement from virtualization team. | |
6a9c4b35 RG |
421 | * |
422 | * In some virtualized environments (e.g. XEN), there is irrelevant | |
423 | * ISA bridge in the system. To work reliably, we should scan trhough | |
424 | * all the ISA bridge devices and check for the first match, instead | |
425 | * of only checking the first one. | |
3bad0781 ZW |
426 | */ |
427 | pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); | |
6a9c4b35 RG |
428 | while (pch) { |
429 | struct pci_dev *curr = pch; | |
3bad0781 | 430 | if (pch->vendor == PCI_VENDOR_ID_INTEL) { |
17a303ec | 431 | unsigned short id; |
3bad0781 | 432 | id = pch->device & INTEL_PCH_DEVICE_ID_MASK; |
17a303ec | 433 | dev_priv->pch_id = id; |
3bad0781 | 434 | |
90711d50 JB |
435 | if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { |
436 | dev_priv->pch_type = PCH_IBX; | |
437 | DRM_DEBUG_KMS("Found Ibex Peak PCH\n"); | |
7fcb83cd | 438 | WARN_ON(!IS_GEN5(dev)); |
90711d50 | 439 | } else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) { |
3bad0781 ZW |
440 | dev_priv->pch_type = PCH_CPT; |
441 | DRM_DEBUG_KMS("Found CougarPoint PCH\n"); | |
7fcb83cd | 442 | WARN_ON(!(IS_GEN6(dev) || IS_IVYBRIDGE(dev))); |
c792513b JB |
443 | } else if (id == INTEL_PCH_PPT_DEVICE_ID_TYPE) { |
444 | /* PantherPoint is CPT compatible */ | |
445 | dev_priv->pch_type = PCH_CPT; | |
492ab669 | 446 | DRM_DEBUG_KMS("Found PantherPoint PCH\n"); |
7fcb83cd | 447 | WARN_ON(!(IS_GEN6(dev) || IS_IVYBRIDGE(dev))); |
eb877ebf ED |
448 | } else if (id == INTEL_PCH_LPT_DEVICE_ID_TYPE) { |
449 | dev_priv->pch_type = PCH_LPT; | |
450 | DRM_DEBUG_KMS("Found LynxPoint PCH\n"); | |
7fcb83cd | 451 | WARN_ON(!IS_HASWELL(dev)); |
08e1413d | 452 | WARN_ON(IS_ULT(dev)); |
018f52c9 PZ |
453 | } else if (IS_BROADWELL(dev)) { |
454 | dev_priv->pch_type = PCH_LPT; | |
455 | dev_priv->pch_id = | |
456 | INTEL_PCH_LPT_LP_DEVICE_ID_TYPE; | |
457 | DRM_DEBUG_KMS("This is Broadwell, assuming " | |
458 | "LynxPoint LP PCH\n"); | |
e76e0634 BW |
459 | } else if (id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) { |
460 | dev_priv->pch_type = PCH_LPT; | |
461 | DRM_DEBUG_KMS("Found LynxPoint LP PCH\n"); | |
462 | WARN_ON(!IS_HASWELL(dev)); | |
463 | WARN_ON(!IS_ULT(dev)); | |
6a9c4b35 RG |
464 | } else { |
465 | goto check_next; | |
3bad0781 | 466 | } |
6a9c4b35 RG |
467 | pci_dev_put(pch); |
468 | break; | |
3bad0781 | 469 | } |
6a9c4b35 RG |
470 | check_next: |
471 | pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, curr); | |
472 | pci_dev_put(curr); | |
3bad0781 | 473 | } |
6a9c4b35 RG |
474 | if (!pch) |
475 | DRM_DEBUG_KMS("No PCH found?\n"); | |
3bad0781 ZW |
476 | } |
477 | ||
2911a35b BW |
478 | bool i915_semaphore_is_enabled(struct drm_device *dev) |
479 | { | |
480 | if (INTEL_INFO(dev)->gen < 6) | |
a08acaf2 | 481 | return false; |
2911a35b | 482 | |
e64c4a1b BW |
483 | /* Until we get further testing... */ |
484 | if (IS_GEN8(dev)) { | |
485 | WARN_ON(!i915_preliminary_hw_support); | |
a08acaf2 | 486 | return false; |
e64c4a1b BW |
487 | } |
488 | ||
2911a35b BW |
489 | if (i915_semaphores >= 0) |
490 | return i915_semaphores; | |
491 | ||
59de3295 | 492 | #ifdef CONFIG_INTEL_IOMMU |
2911a35b | 493 | /* Enable semaphores on SNB when IO remapping is off */ |
59de3295 DV |
494 | if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) |
495 | return false; | |
496 | #endif | |
2911a35b | 497 | |
a08acaf2 | 498 | return true; |
2911a35b BW |
499 | } |
500 | ||
84b79f8d | 501 | static int i915_drm_freeze(struct drm_device *dev) |
ba8bbcf6 | 502 | { |
61caf87c | 503 | struct drm_i915_private *dev_priv = dev->dev_private; |
24576d23 | 504 | struct drm_crtc *crtc; |
61caf87c | 505 | |
8a187455 PZ |
506 | intel_runtime_pm_get(dev_priv); |
507 | ||
b8efb17b ZR |
508 | /* ignore lid events during suspend */ |
509 | mutex_lock(&dev_priv->modeset_restore_lock); | |
510 | dev_priv->modeset_restore = MODESET_SUSPENDED; | |
511 | mutex_unlock(&dev_priv->modeset_restore_lock); | |
512 | ||
c67a470b PZ |
513 | /* We do a lot of poking in a lot of registers, make sure they work |
514 | * properly. */ | |
515 | hsw_disable_package_c8(dev_priv); | |
baa70707 | 516 | intel_display_set_init_power(dev, true); |
cb10799c | 517 | |
5bcf719b DA |
518 | drm_kms_helper_poll_disable(dev); |
519 | ||
ba8bbcf6 | 520 | pci_save_state(dev->pdev); |
ba8bbcf6 | 521 | |
5669fcac | 522 | /* If KMS is active, we do the leavevt stuff here */ |
226485e9 | 523 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
db1b76ca DV |
524 | int error; |
525 | ||
45c5f202 | 526 | error = i915_gem_suspend(dev); |
84b79f8d | 527 | if (error) { |
226485e9 | 528 | dev_err(&dev->pdev->dev, |
84b79f8d RW |
529 | "GEM idle failed, resume might fail\n"); |
530 | return error; | |
531 | } | |
a261b246 | 532 | |
1a01ab3b JB |
533 | cancel_delayed_work_sync(&dev_priv->rps.delayed_resume_work); |
534 | ||
226485e9 | 535 | drm_irq_uninstall(dev); |
15239099 | 536 | dev_priv->enable_hotplug_processing = false; |
24576d23 JB |
537 | /* |
538 | * Disable CRTCs directly since we want to preserve sw state | |
539 | * for _thaw. | |
540 | */ | |
7c063c72 | 541 | mutex_lock(&dev->mode_config.mutex); |
24576d23 JB |
542 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) |
543 | dev_priv->display.crtc_disable(crtc); | |
7c063c72 | 544 | mutex_unlock(&dev->mode_config.mutex); |
7d708ee4 ID |
545 | |
546 | intel_modeset_suspend_hw(dev); | |
5669fcac JB |
547 | } |
548 | ||
828c7908 BW |
549 | i915_gem_suspend_gtt_mappings(dev); |
550 | ||
9e06dd39 JB |
551 | i915_save_state(dev); |
552 | ||
44834a67 | 553 | intel_opregion_fini(dev); |
8ee1c3db | 554 | |
3fa016a0 | 555 | console_lock(); |
b6f3eff7 | 556 | intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED); |
3fa016a0 DA |
557 | console_unlock(); |
558 | ||
61caf87c | 559 | return 0; |
84b79f8d RW |
560 | } |
561 | ||
6a9ee8af | 562 | int i915_suspend(struct drm_device *dev, pm_message_t state) |
84b79f8d RW |
563 | { |
564 | int error; | |
565 | ||
566 | if (!dev || !dev->dev_private) { | |
567 | DRM_ERROR("dev: %p\n", dev); | |
568 | DRM_ERROR("DRM not initialized, aborting suspend.\n"); | |
569 | return -ENODEV; | |
570 | } | |
571 | ||
572 | if (state.event == PM_EVENT_PRETHAW) | |
573 | return 0; | |
574 | ||
5bcf719b DA |
575 | |
576 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
577 | return 0; | |
6eecba33 | 578 | |
84b79f8d RW |
579 | error = i915_drm_freeze(dev); |
580 | if (error) | |
581 | return error; | |
582 | ||
b932ccb5 DA |
583 | if (state.event == PM_EVENT_SUSPEND) { |
584 | /* Shut down the device */ | |
585 | pci_disable_device(dev->pdev); | |
586 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
587 | } | |
ba8bbcf6 JB |
588 | |
589 | return 0; | |
590 | } | |
591 | ||
073f34d9 JB |
592 | void intel_console_resume(struct work_struct *work) |
593 | { | |
594 | struct drm_i915_private *dev_priv = | |
595 | container_of(work, struct drm_i915_private, | |
596 | console_resume_work); | |
597 | struct drm_device *dev = dev_priv->dev; | |
598 | ||
599 | console_lock(); | |
b6f3eff7 | 600 | intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING); |
073f34d9 JB |
601 | console_unlock(); |
602 | } | |
603 | ||
bb60b969 JB |
604 | static void intel_resume_hotplug(struct drm_device *dev) |
605 | { | |
606 | struct drm_mode_config *mode_config = &dev->mode_config; | |
607 | struct intel_encoder *encoder; | |
608 | ||
609 | mutex_lock(&mode_config->mutex); | |
610 | DRM_DEBUG_KMS("running encoder hotplug functions\n"); | |
611 | ||
612 | list_for_each_entry(encoder, &mode_config->encoder_list, base.head) | |
613 | if (encoder->hot_plug) | |
614 | encoder->hot_plug(encoder); | |
615 | ||
616 | mutex_unlock(&mode_config->mutex); | |
617 | ||
618 | /* Just fire off a uevent and let userspace tell us what to do */ | |
619 | drm_helper_hpd_irq_event(dev); | |
620 | } | |
621 | ||
9d49c0ef | 622 | static int __i915_drm_thaw(struct drm_device *dev, bool restore_gtt_mappings) |
ba8bbcf6 | 623 | { |
5669fcac | 624 | struct drm_i915_private *dev_priv = dev->dev_private; |
84b79f8d | 625 | int error = 0; |
8ee1c3db | 626 | |
c9f7fbf9 VS |
627 | intel_uncore_early_sanitize(dev); |
628 | ||
9d49c0ef PZ |
629 | intel_uncore_sanitize(dev); |
630 | ||
631 | if (drm_core_check_feature(dev, DRIVER_MODESET) && | |
632 | restore_gtt_mappings) { | |
633 | mutex_lock(&dev->struct_mutex); | |
634 | i915_gem_restore_gtt_mappings(dev); | |
635 | mutex_unlock(&dev->struct_mutex); | |
636 | } | |
637 | ||
ddb642fb | 638 | intel_power_domains_init_hw(dev); |
ebdcefc6 | 639 | |
61caf87c | 640 | i915_restore_state(dev); |
44834a67 | 641 | intel_opregion_setup(dev); |
61caf87c | 642 | |
5669fcac JB |
643 | /* KMS EnterVT equivalent */ |
644 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { | |
dde86e2d | 645 | intel_init_pch_refclk(dev); |
1833b134 | 646 | |
5669fcac | 647 | mutex_lock(&dev->struct_mutex); |
5669fcac | 648 | |
f691e2f4 | 649 | error = i915_gem_init_hw(dev); |
5669fcac | 650 | mutex_unlock(&dev->struct_mutex); |
226485e9 | 651 | |
15239099 DV |
652 | /* We need working interrupts for modeset enabling ... */ |
653 | drm_irq_install(dev); | |
654 | ||
1833b134 | 655 | intel_modeset_init_hw(dev); |
24576d23 JB |
656 | |
657 | drm_modeset_lock_all(dev); | |
edd5b133 | 658 | drm_mode_config_reset(dev); |
24576d23 JB |
659 | intel_modeset_setup_hw_state(dev, true); |
660 | drm_modeset_unlock_all(dev); | |
15239099 DV |
661 | |
662 | /* | |
663 | * ... but also need to make sure that hotplug processing | |
664 | * doesn't cause havoc. Like in the driver load code we don't | |
665 | * bother with the tiny race here where we might loose hotplug | |
666 | * notifications. | |
667 | * */ | |
20afbda2 | 668 | intel_hpd_init(dev); |
15239099 | 669 | dev_priv->enable_hotplug_processing = true; |
bb60b969 JB |
670 | /* Config may have changed between suspend and resume */ |
671 | intel_resume_hotplug(dev); | |
d5bb081b | 672 | } |
1daed3fb | 673 | |
44834a67 CW |
674 | intel_opregion_init(dev); |
675 | ||
073f34d9 JB |
676 | /* |
677 | * The console lock can be pretty contented on resume due | |
678 | * to all the printk activity. Try to keep it out of the hot | |
679 | * path of resume if possible. | |
680 | */ | |
681 | if (console_trylock()) { | |
b6f3eff7 | 682 | intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING); |
073f34d9 JB |
683 | console_unlock(); |
684 | } else { | |
685 | schedule_work(&dev_priv->console_resume_work); | |
686 | } | |
687 | ||
c67a470b PZ |
688 | /* Undo what we did at i915_drm_freeze so the refcount goes back to the |
689 | * expected level. */ | |
690 | hsw_enable_package_c8(dev_priv); | |
691 | ||
b8efb17b ZR |
692 | mutex_lock(&dev_priv->modeset_restore_lock); |
693 | dev_priv->modeset_restore = MODESET_DONE; | |
694 | mutex_unlock(&dev_priv->modeset_restore_lock); | |
8a187455 PZ |
695 | |
696 | intel_runtime_pm_put(dev_priv); | |
84b79f8d RW |
697 | return error; |
698 | } | |
699 | ||
1abd02e2 JB |
700 | static int i915_drm_thaw(struct drm_device *dev) |
701 | { | |
7f16e5c1 | 702 | if (drm_core_check_feature(dev, DRIVER_MODESET)) |
828c7908 | 703 | i915_check_and_clear_faults(dev); |
1abd02e2 | 704 | |
9d49c0ef | 705 | return __i915_drm_thaw(dev, true); |
84b79f8d RW |
706 | } |
707 | ||
6a9ee8af | 708 | int i915_resume(struct drm_device *dev) |
84b79f8d | 709 | { |
1abd02e2 | 710 | struct drm_i915_private *dev_priv = dev->dev_private; |
6eecba33 CW |
711 | int ret; |
712 | ||
5bcf719b DA |
713 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
714 | return 0; | |
715 | ||
84b79f8d RW |
716 | if (pci_enable_device(dev->pdev)) |
717 | return -EIO; | |
718 | ||
719 | pci_set_master(dev->pdev); | |
720 | ||
1abd02e2 JB |
721 | /* |
722 | * Platforms with opregion should have sane BIOS, older ones (gen3 and | |
9d49c0ef PZ |
723 | * earlier) need to restore the GTT mappings since the BIOS might clear |
724 | * all our scratch PTEs. | |
1abd02e2 | 725 | */ |
9d49c0ef | 726 | ret = __i915_drm_thaw(dev, !dev_priv->opregion.header); |
6eecba33 CW |
727 | if (ret) |
728 | return ret; | |
729 | ||
730 | drm_kms_helper_poll_enable(dev); | |
731 | return 0; | |
ba8bbcf6 JB |
732 | } |
733 | ||
11ed50ec | 734 | /** |
f3953dcb | 735 | * i915_reset - reset chip after a hang |
11ed50ec | 736 | * @dev: drm device to reset |
11ed50ec BG |
737 | * |
738 | * Reset the chip. Useful if a hang is detected. Returns zero on successful | |
739 | * reset or otherwise an error code. | |
740 | * | |
741 | * Procedure is fairly simple: | |
742 | * - reset the chip using the reset reg | |
743 | * - re-init context state | |
744 | * - re-init hardware status page | |
745 | * - re-init ring buffer | |
746 | * - re-init interrupt state | |
747 | * - re-init display | |
748 | */ | |
d4b8bb2a | 749 | int i915_reset(struct drm_device *dev) |
11ed50ec BG |
750 | { |
751 | drm_i915_private_t *dev_priv = dev->dev_private; | |
2e7c8ee7 | 752 | bool simulated; |
0573ed4a | 753 | int ret; |
11ed50ec | 754 | |
d78cb50b CW |
755 | if (!i915_try_reset) |
756 | return 0; | |
757 | ||
d54a02c0 | 758 | mutex_lock(&dev->struct_mutex); |
11ed50ec | 759 | |
069efc1d | 760 | i915_gem_reset(dev); |
77f01230 | 761 | |
2e7c8ee7 CW |
762 | simulated = dev_priv->gpu_error.stop_rings != 0; |
763 | ||
be62acb4 MK |
764 | ret = intel_gpu_reset(dev); |
765 | ||
766 | /* Also reset the gpu hangman. */ | |
767 | if (simulated) { | |
768 | DRM_INFO("Simulated gpu hang, resetting stop_rings\n"); | |
769 | dev_priv->gpu_error.stop_rings = 0; | |
770 | if (ret == -ENODEV) { | |
f2d91a2c DV |
771 | DRM_INFO("Reset not implemented, but ignoring " |
772 | "error for simulated gpu hangs\n"); | |
be62acb4 MK |
773 | ret = 0; |
774 | } | |
2e7c8ee7 | 775 | } |
be62acb4 | 776 | |
0573ed4a | 777 | if (ret) { |
f2d91a2c | 778 | DRM_ERROR("Failed to reset chip: %i\n", ret); |
f953c935 | 779 | mutex_unlock(&dev->struct_mutex); |
f803aa55 | 780 | return ret; |
11ed50ec BG |
781 | } |
782 | ||
783 | /* Ok, now get things going again... */ | |
784 | ||
785 | /* | |
786 | * Everything depends on having the GTT running, so we need to start | |
787 | * there. Fortunately we don't need to do this unless we reset the | |
788 | * chip at a PCI level. | |
789 | * | |
790 | * Next we need to restore the context, but we don't use those | |
791 | * yet either... | |
792 | * | |
793 | * Ring buffer needs to be re-initialized in the KMS case, or if X | |
794 | * was running at the time of the reset (i.e. we weren't VT | |
795 | * switched away). | |
796 | */ | |
797 | if (drm_core_check_feature(dev, DRIVER_MODESET) || | |
db1b76ca | 798 | !dev_priv->ums.mm_suspended) { |
db1b76ca | 799 | dev_priv->ums.mm_suspended = 0; |
75a6898f | 800 | |
3d57e5bd | 801 | ret = i915_gem_init_hw(dev); |
8e88a2bd | 802 | mutex_unlock(&dev->struct_mutex); |
3d57e5bd BW |
803 | if (ret) { |
804 | DRM_ERROR("Failed hw init on reset %d\n", ret); | |
805 | return ret; | |
806 | } | |
f817586c | 807 | |
11ed50ec BG |
808 | drm_irq_uninstall(dev); |
809 | drm_irq_install(dev); | |
20afbda2 | 810 | intel_hpd_init(dev); |
bcbc324a DV |
811 | } else { |
812 | mutex_unlock(&dev->struct_mutex); | |
11ed50ec BG |
813 | } |
814 | ||
11ed50ec BG |
815 | return 0; |
816 | } | |
817 | ||
56550d94 | 818 | static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
112b715e | 819 | { |
01a06850 DV |
820 | struct intel_device_info *intel_info = |
821 | (struct intel_device_info *) ent->driver_data; | |
822 | ||
b833d685 BW |
823 | if (IS_PRELIMINARY_HW(intel_info) && !i915_preliminary_hw_support) { |
824 | DRM_INFO("This hardware requires preliminary hardware support.\n" | |
825 | "See CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT, and/or modparam preliminary_hw_support\n"); | |
826 | return -ENODEV; | |
827 | } | |
828 | ||
5fe49d86 CW |
829 | /* Only bind to function 0 of the device. Early generations |
830 | * used function 1 as a placeholder for multi-head. This causes | |
831 | * us confusion instead, especially on the systems where both | |
832 | * functions have the same PCI-ID! | |
833 | */ | |
834 | if (PCI_FUNC(pdev->devfn)) | |
835 | return -ENODEV; | |
836 | ||
24986ee0 | 837 | driver.driver_features &= ~(DRIVER_USE_AGP); |
01a06850 | 838 | |
dcdb1674 | 839 | return drm_get_pci_dev(pdev, ent, &driver); |
112b715e KH |
840 | } |
841 | ||
842 | static void | |
843 | i915_pci_remove(struct pci_dev *pdev) | |
844 | { | |
845 | struct drm_device *dev = pci_get_drvdata(pdev); | |
846 | ||
847 | drm_put_dev(dev); | |
848 | } | |
849 | ||
84b79f8d | 850 | static int i915_pm_suspend(struct device *dev) |
112b715e | 851 | { |
84b79f8d RW |
852 | struct pci_dev *pdev = to_pci_dev(dev); |
853 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
854 | int error; | |
112b715e | 855 | |
84b79f8d RW |
856 | if (!drm_dev || !drm_dev->dev_private) { |
857 | dev_err(dev, "DRM not initialized, aborting suspend.\n"); | |
858 | return -ENODEV; | |
859 | } | |
112b715e | 860 | |
5bcf719b DA |
861 | if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
862 | return 0; | |
863 | ||
84b79f8d RW |
864 | error = i915_drm_freeze(drm_dev); |
865 | if (error) | |
866 | return error; | |
112b715e | 867 | |
84b79f8d RW |
868 | pci_disable_device(pdev); |
869 | pci_set_power_state(pdev, PCI_D3hot); | |
cbda12d7 | 870 | |
84b79f8d | 871 | return 0; |
cbda12d7 ZW |
872 | } |
873 | ||
84b79f8d | 874 | static int i915_pm_resume(struct device *dev) |
cbda12d7 | 875 | { |
84b79f8d RW |
876 | struct pci_dev *pdev = to_pci_dev(dev); |
877 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
878 | ||
879 | return i915_resume(drm_dev); | |
cbda12d7 ZW |
880 | } |
881 | ||
84b79f8d | 882 | static int i915_pm_freeze(struct device *dev) |
cbda12d7 | 883 | { |
84b79f8d RW |
884 | struct pci_dev *pdev = to_pci_dev(dev); |
885 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
886 | ||
887 | if (!drm_dev || !drm_dev->dev_private) { | |
888 | dev_err(dev, "DRM not initialized, aborting suspend.\n"); | |
889 | return -ENODEV; | |
890 | } | |
891 | ||
892 | return i915_drm_freeze(drm_dev); | |
cbda12d7 ZW |
893 | } |
894 | ||
84b79f8d | 895 | static int i915_pm_thaw(struct device *dev) |
cbda12d7 | 896 | { |
84b79f8d RW |
897 | struct pci_dev *pdev = to_pci_dev(dev); |
898 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
899 | ||
900 | return i915_drm_thaw(drm_dev); | |
cbda12d7 ZW |
901 | } |
902 | ||
84b79f8d | 903 | static int i915_pm_poweroff(struct device *dev) |
cbda12d7 | 904 | { |
84b79f8d RW |
905 | struct pci_dev *pdev = to_pci_dev(dev); |
906 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
84b79f8d | 907 | |
61caf87c | 908 | return i915_drm_freeze(drm_dev); |
cbda12d7 ZW |
909 | } |
910 | ||
8a187455 PZ |
911 | static int i915_runtime_suspend(struct device *device) |
912 | { | |
913 | struct pci_dev *pdev = to_pci_dev(device); | |
914 | struct drm_device *dev = pci_get_drvdata(pdev); | |
915 | struct drm_i915_private *dev_priv = dev->dev_private; | |
916 | ||
917 | WARN_ON(!HAS_RUNTIME_PM(dev)); | |
918 | ||
919 | DRM_DEBUG_KMS("Suspending device\n"); | |
920 | ||
48018a57 PZ |
921 | i915_gem_release_all_mmaps(dev_priv); |
922 | ||
16a3d6ef | 923 | del_timer_sync(&dev_priv->gpu_error.hangcheck_timer); |
8a187455 | 924 | dev_priv->pm.suspended = true; |
1fb2362b KCA |
925 | |
926 | /* | |
927 | * current versions of firmware which depend on this opregion | |
928 | * notification have repurposed the D1 definition to mean | |
929 | * "runtime suspended" vs. what you would normally expect (D3) | |
930 | * to distinguish it from notifications that might be sent | |
931 | * via the suspend path. | |
932 | */ | |
933 | intel_opregion_notify_adapter(dev, PCI_D1); | |
8a187455 PZ |
934 | |
935 | return 0; | |
936 | } | |
937 | ||
938 | static int i915_runtime_resume(struct device *device) | |
939 | { | |
940 | struct pci_dev *pdev = to_pci_dev(device); | |
941 | struct drm_device *dev = pci_get_drvdata(pdev); | |
942 | struct drm_i915_private *dev_priv = dev->dev_private; | |
943 | ||
944 | WARN_ON(!HAS_RUNTIME_PM(dev)); | |
945 | ||
946 | DRM_DEBUG_KMS("Resuming device\n"); | |
947 | ||
cd2e9e90 | 948 | intel_opregion_notify_adapter(dev, PCI_D0); |
8a187455 PZ |
949 | dev_priv->pm.suspended = false; |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
b4b78d12 | 954 | static const struct dev_pm_ops i915_pm_ops = { |
0206e353 AJ |
955 | .suspend = i915_pm_suspend, |
956 | .resume = i915_pm_resume, | |
957 | .freeze = i915_pm_freeze, | |
958 | .thaw = i915_pm_thaw, | |
959 | .poweroff = i915_pm_poweroff, | |
960 | .restore = i915_pm_resume, | |
8a187455 PZ |
961 | .runtime_suspend = i915_runtime_suspend, |
962 | .runtime_resume = i915_runtime_resume, | |
cbda12d7 ZW |
963 | }; |
964 | ||
78b68556 | 965 | static const struct vm_operations_struct i915_gem_vm_ops = { |
de151cf6 | 966 | .fault = i915_gem_fault, |
ab00b3e5 JB |
967 | .open = drm_gem_vm_open, |
968 | .close = drm_gem_vm_close, | |
de151cf6 JB |
969 | }; |
970 | ||
e08e96de AV |
971 | static const struct file_operations i915_driver_fops = { |
972 | .owner = THIS_MODULE, | |
973 | .open = drm_open, | |
974 | .release = drm_release, | |
975 | .unlocked_ioctl = drm_ioctl, | |
976 | .mmap = drm_gem_mmap, | |
977 | .poll = drm_poll, | |
e08e96de AV |
978 | .read = drm_read, |
979 | #ifdef CONFIG_COMPAT | |
980 | .compat_ioctl = i915_compat_ioctl, | |
981 | #endif | |
982 | .llseek = noop_llseek, | |
983 | }; | |
984 | ||
1da177e4 | 985 | static struct drm_driver driver = { |
0c54781b MW |
986 | /* Don't use MTRRs here; the Xserver or userspace app should |
987 | * deal with them for Intel hardware. | |
792d2b9a | 988 | */ |
673a394b | 989 | .driver_features = |
24986ee0 | 990 | DRIVER_USE_AGP | |
10ba5012 KH |
991 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME | |
992 | DRIVER_RENDER, | |
22eae947 | 993 | .load = i915_driver_load, |
ba8bbcf6 | 994 | .unload = i915_driver_unload, |
673a394b | 995 | .open = i915_driver_open, |
22eae947 DA |
996 | .lastclose = i915_driver_lastclose, |
997 | .preclose = i915_driver_preclose, | |
673a394b | 998 | .postclose = i915_driver_postclose, |
d8e29209 RW |
999 | |
1000 | /* Used in place of i915_pm_ops for non-DRIVER_MODESET */ | |
1001 | .suspend = i915_suspend, | |
1002 | .resume = i915_resume, | |
1003 | ||
cda17380 | 1004 | .device_is_agp = i915_driver_device_is_agp, |
7c1c2871 DA |
1005 | .master_create = i915_master_create, |
1006 | .master_destroy = i915_master_destroy, | |
955b12de | 1007 | #if defined(CONFIG_DEBUG_FS) |
27c202ad BG |
1008 | .debugfs_init = i915_debugfs_init, |
1009 | .debugfs_cleanup = i915_debugfs_cleanup, | |
955b12de | 1010 | #endif |
673a394b | 1011 | .gem_free_object = i915_gem_free_object, |
de151cf6 | 1012 | .gem_vm_ops = &i915_gem_vm_ops, |
1286ff73 DV |
1013 | |
1014 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, | |
1015 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | |
1016 | .gem_prime_export = i915_gem_prime_export, | |
1017 | .gem_prime_import = i915_gem_prime_import, | |
1018 | ||
ff72145b DA |
1019 | .dumb_create = i915_gem_dumb_create, |
1020 | .dumb_map_offset = i915_gem_mmap_gtt, | |
43387b37 | 1021 | .dumb_destroy = drm_gem_dumb_destroy, |
1da177e4 | 1022 | .ioctls = i915_ioctls, |
e08e96de | 1023 | .fops = &i915_driver_fops, |
22eae947 DA |
1024 | .name = DRIVER_NAME, |
1025 | .desc = DRIVER_DESC, | |
1026 | .date = DRIVER_DATE, | |
1027 | .major = DRIVER_MAJOR, | |
1028 | .minor = DRIVER_MINOR, | |
1029 | .patchlevel = DRIVER_PATCHLEVEL, | |
1da177e4 LT |
1030 | }; |
1031 | ||
8410ea3b DA |
1032 | static struct pci_driver i915_pci_driver = { |
1033 | .name = DRIVER_NAME, | |
1034 | .id_table = pciidlist, | |
1035 | .probe = i915_pci_probe, | |
1036 | .remove = i915_pci_remove, | |
1037 | .driver.pm = &i915_pm_ops, | |
1038 | }; | |
1039 | ||
1da177e4 LT |
1040 | static int __init i915_init(void) |
1041 | { | |
1042 | driver.num_ioctls = i915_max_ioctl; | |
79e53945 JB |
1043 | |
1044 | /* | |
1045 | * If CONFIG_DRM_I915_KMS is set, default to KMS unless | |
1046 | * explicitly disabled with the module pararmeter. | |
1047 | * | |
1048 | * Otherwise, just follow the parameter (defaulting to off). | |
1049 | * | |
1050 | * Allow optional vga_text_mode_force boot option to override | |
1051 | * the default behavior. | |
1052 | */ | |
1053 | #if defined(CONFIG_DRM_I915_KMS) | |
1054 | if (i915_modeset != 0) | |
1055 | driver.driver_features |= DRIVER_MODESET; | |
1056 | #endif | |
1057 | if (i915_modeset == 1) | |
1058 | driver.driver_features |= DRIVER_MODESET; | |
1059 | ||
1060 | #ifdef CONFIG_VGA_CONSOLE | |
1061 | if (vgacon_text_force() && i915_modeset == -1) | |
1062 | driver.driver_features &= ~DRIVER_MODESET; | |
1063 | #endif | |
1064 | ||
b30324ad | 1065 | if (!(driver.driver_features & DRIVER_MODESET)) { |
3885c6bb | 1066 | driver.get_vblank_timestamp = NULL; |
b30324ad DV |
1067 | #ifndef CONFIG_DRM_I915_UMS |
1068 | /* Silently fail loading to not upset userspace. */ | |
1069 | return 0; | |
1070 | #endif | |
1071 | } | |
3885c6bb | 1072 | |
8410ea3b | 1073 | return drm_pci_init(&driver, &i915_pci_driver); |
1da177e4 LT |
1074 | } |
1075 | ||
1076 | static void __exit i915_exit(void) | |
1077 | { | |
b33ecdd1 DV |
1078 | #ifndef CONFIG_DRM_I915_UMS |
1079 | if (!(driver.driver_features & DRIVER_MODESET)) | |
1080 | return; /* Never loaded a driver. */ | |
1081 | #endif | |
1082 | ||
8410ea3b | 1083 | drm_pci_exit(&driver, &i915_pci_driver); |
1da177e4 LT |
1084 | } |
1085 | ||
1086 | module_init(i915_init); | |
1087 | module_exit(i915_exit); | |
1088 | ||
b5e89ed5 DA |
1089 | MODULE_AUTHOR(DRIVER_AUTHOR); |
1090 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 | 1091 | MODULE_LICENSE("GPL and additional rights"); |