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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> |
1da177e4 LT |
31 | #include "drmP.h" |
32 | #include "drm.h" | |
33 | #include "i915_drm.h" | |
34 | #include "i915_drv.h" | |
990bbdad | 35 | #include "i915_trace.h" |
f49f0586 | 36 | #include "intel_drv.h" |
1da177e4 | 37 | |
79e53945 | 38 | #include <linux/console.h> |
e0cd3608 | 39 | #include <linux/module.h> |
354ff967 | 40 | #include "drm_crtc_helper.h" |
79e53945 | 41 | |
a35d9d3c | 42 | static int i915_modeset __read_mostly = -1; |
79e53945 | 43 | module_param_named(modeset, i915_modeset, int, 0400); |
6e96e775 BW |
44 | MODULE_PARM_DESC(modeset, |
45 | "Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, " | |
46 | "1=on, -1=force vga console preference [default])"); | |
79e53945 | 47 | |
a35d9d3c | 48 | unsigned int i915_fbpercrtc __always_unused = 0; |
79e53945 | 49 | module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); |
1da177e4 | 50 | |
a35d9d3c | 51 | int i915_panel_ignore_lid __read_mostly = 0; |
fca87409 | 52 | module_param_named(panel_ignore_lid, i915_panel_ignore_lid, int, 0600); |
6e96e775 BW |
53 | MODULE_PARM_DESC(panel_ignore_lid, |
54 | "Override lid status (0=autodetect [default], 1=lid open, " | |
55 | "-1=lid closed)"); | |
fca87409 | 56 | |
a35d9d3c | 57 | unsigned int i915_powersave __read_mostly = 1; |
0aa99277 | 58 | module_param_named(powersave, i915_powersave, int, 0600); |
6e96e775 BW |
59 | MODULE_PARM_DESC(powersave, |
60 | "Enable powersavings, fbc, downclocking, etc. (default: true)"); | |
652c393a | 61 | |
f45b5557 | 62 | int i915_semaphores __read_mostly = -1; |
a1656b90 | 63 | module_param_named(semaphores, i915_semaphores, int, 0600); |
6e96e775 | 64 | MODULE_PARM_DESC(semaphores, |
f45b5557 | 65 | "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))"); |
a1656b90 | 66 | |
c0f372b3 | 67 | int i915_enable_rc6 __read_mostly = -1; |
f57f9c16 | 68 | module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400); |
6e96e775 | 69 | MODULE_PARM_DESC(i915_enable_rc6, |
83b7f9ac ED |
70 | "Enable power-saving render C-state 6. " |
71 | "Different stages can be selected via bitmask values " | |
72 | "(0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). " | |
73 | "For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. " | |
74 | "default: -1 (use per-chip default)"); | |
ac668088 | 75 | |
4415e63b | 76 | int i915_enable_fbc __read_mostly = -1; |
c1a9f047 | 77 | module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600); |
6e96e775 BW |
78 | MODULE_PARM_DESC(i915_enable_fbc, |
79 | "Enable frame buffer compression for power savings " | |
cd0de039 | 80 | "(default: -1 (use per-chip default))"); |
c1a9f047 | 81 | |
a35d9d3c | 82 | unsigned int i915_lvds_downclock __read_mostly = 0; |
33814341 | 83 | module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); |
6e96e775 BW |
84 | MODULE_PARM_DESC(lvds_downclock, |
85 | "Use panel (LVDS/eDP) downclocking for power savings " | |
86 | "(default: false)"); | |
33814341 | 87 | |
121d527a TI |
88 | int i915_lvds_channel_mode __read_mostly; |
89 | module_param_named(lvds_channel_mode, i915_lvds_channel_mode, int, 0600); | |
90 | MODULE_PARM_DESC(lvds_channel_mode, | |
91 | "Specify LVDS channel mode " | |
92 | "(0=probe BIOS [default], 1=single-channel, 2=dual-channel)"); | |
93 | ||
4415e63b | 94 | int i915_panel_use_ssc __read_mostly = -1; |
a7615030 | 95 | module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600); |
6e96e775 BW |
96 | MODULE_PARM_DESC(lvds_use_ssc, |
97 | "Use Spread Spectrum Clock with panels [LVDS/eDP] " | |
72bbe58c | 98 | "(default: auto from VBT)"); |
a7615030 | 99 | |
a35d9d3c | 100 | int i915_vbt_sdvo_panel_type __read_mostly = -1; |
5a1e5b6c | 101 | module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600); |
6e96e775 | 102 | MODULE_PARM_DESC(vbt_sdvo_panel_type, |
c10e408a MF |
103 | "Override/Ignore selection of SDVO panel mode in the VBT " |
104 | "(-2=ignore, -1=auto [default], index in VBT BIOS table)"); | |
5a1e5b6c | 105 | |
a35d9d3c | 106 | static bool i915_try_reset __read_mostly = true; |
d78cb50b | 107 | module_param_named(reset, i915_try_reset, bool, 0600); |
6e96e775 | 108 | MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)"); |
d78cb50b | 109 | |
a35d9d3c | 110 | bool i915_enable_hangcheck __read_mostly = true; |
3e0dc6b0 | 111 | module_param_named(enable_hangcheck, i915_enable_hangcheck, bool, 0644); |
6e96e775 BW |
112 | MODULE_PARM_DESC(enable_hangcheck, |
113 | "Periodically check GPU activity for detecting hangs. " | |
114 | "WARNING: Disabling this can cause system wide hangs. " | |
115 | "(default: true)"); | |
3e0dc6b0 | 116 | |
650dc07e DV |
117 | int i915_enable_ppgtt __read_mostly = -1; |
118 | module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600); | |
e21af88d DV |
119 | MODULE_PARM_DESC(i915_enable_ppgtt, |
120 | "Enable PPGTT (default: true)"); | |
121 | ||
112b715e | 122 | static struct drm_driver driver; |
1f7a6e37 | 123 | extern int intel_agp_enabled; |
112b715e | 124 | |
cfdf1fa2 | 125 | #define INTEL_VGA_DEVICE(id, info) { \ |
80a2901d | 126 | .class = PCI_BASE_CLASS_DISPLAY << 16, \ |
934f992c | 127 | .class_mask = 0xff0000, \ |
49ae35f2 KH |
128 | .vendor = 0x8086, \ |
129 | .device = id, \ | |
130 | .subvendor = PCI_ANY_ID, \ | |
131 | .subdevice = PCI_ANY_ID, \ | |
cfdf1fa2 KH |
132 | .driver_data = (unsigned long) info } |
133 | ||
9a7e8492 | 134 | static const struct intel_device_info intel_i830_info = { |
a6c45cf0 | 135 | .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, |
31578148 | 136 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
137 | }; |
138 | ||
9a7e8492 | 139 | static const struct intel_device_info intel_845g_info = { |
a6c45cf0 | 140 | .gen = 2, |
31578148 | 141 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
142 | }; |
143 | ||
9a7e8492 | 144 | static const struct intel_device_info intel_i85x_info = { |
a6c45cf0 | 145 | .gen = 2, .is_i85x = 1, .is_mobile = 1, |
5ce8ba7c | 146 | .cursor_needs_physical = 1, |
31578148 | 147 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
148 | }; |
149 | ||
9a7e8492 | 150 | static const struct intel_device_info intel_i865g_info = { |
a6c45cf0 | 151 | .gen = 2, |
31578148 | 152 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
153 | }; |
154 | ||
9a7e8492 | 155 | static const struct intel_device_info intel_i915g_info = { |
a6c45cf0 | 156 | .gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, |
31578148 | 157 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 | 158 | }; |
9a7e8492 | 159 | static const struct intel_device_info intel_i915gm_info = { |
a6c45cf0 | 160 | .gen = 3, .is_mobile = 1, |
b295d1b6 | 161 | .cursor_needs_physical = 1, |
31578148 | 162 | .has_overlay = 1, .overlay_needs_physical = 1, |
a6c45cf0 | 163 | .supports_tv = 1, |
cfdf1fa2 | 164 | }; |
9a7e8492 | 165 | static const struct intel_device_info intel_i945g_info = { |
a6c45cf0 | 166 | .gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, |
31578148 | 167 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 | 168 | }; |
9a7e8492 | 169 | static const struct intel_device_info intel_i945gm_info = { |
a6c45cf0 | 170 | .gen = 3, .is_i945gm = 1, .is_mobile = 1, |
b295d1b6 | 171 | .has_hotplug = 1, .cursor_needs_physical = 1, |
31578148 | 172 | .has_overlay = 1, .overlay_needs_physical = 1, |
a6c45cf0 | 173 | .supports_tv = 1, |
cfdf1fa2 KH |
174 | }; |
175 | ||
9a7e8492 | 176 | static const struct intel_device_info intel_i965g_info = { |
a6c45cf0 | 177 | .gen = 4, .is_broadwater = 1, |
c96c3a8c | 178 | .has_hotplug = 1, |
31578148 | 179 | .has_overlay = 1, |
cfdf1fa2 KH |
180 | }; |
181 | ||
9a7e8492 | 182 | static const struct intel_device_info intel_i965gm_info = { |
a6c45cf0 | 183 | .gen = 4, .is_crestline = 1, |
e3c4e5dd | 184 | .is_mobile = 1, .has_fbc = 1, .has_hotplug = 1, |
31578148 | 185 | .has_overlay = 1, |
a6c45cf0 | 186 | .supports_tv = 1, |
cfdf1fa2 KH |
187 | }; |
188 | ||
9a7e8492 | 189 | static const struct intel_device_info intel_g33_info = { |
a6c45cf0 | 190 | .gen = 3, .is_g33 = 1, |
c96c3a8c | 191 | .need_gfx_hws = 1, .has_hotplug = 1, |
31578148 | 192 | .has_overlay = 1, |
cfdf1fa2 KH |
193 | }; |
194 | ||
9a7e8492 | 195 | static const struct intel_device_info intel_g45_info = { |
a6c45cf0 | 196 | .gen = 4, .is_g4x = 1, .need_gfx_hws = 1, |
c96c3a8c | 197 | .has_pipe_cxsr = 1, .has_hotplug = 1, |
92f49d9c | 198 | .has_bsd_ring = 1, |
cfdf1fa2 KH |
199 | }; |
200 | ||
9a7e8492 | 201 | static const struct intel_device_info intel_gm45_info = { |
a6c45cf0 | 202 | .gen = 4, .is_g4x = 1, |
e3c4e5dd | 203 | .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, |
c96c3a8c | 204 | .has_pipe_cxsr = 1, .has_hotplug = 1, |
a6c45cf0 | 205 | .supports_tv = 1, |
92f49d9c | 206 | .has_bsd_ring = 1, |
cfdf1fa2 KH |
207 | }; |
208 | ||
9a7e8492 | 209 | static const struct intel_device_info intel_pineview_info = { |
a6c45cf0 | 210 | .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, |
c96c3a8c | 211 | .need_gfx_hws = 1, .has_hotplug = 1, |
31578148 | 212 | .has_overlay = 1, |
cfdf1fa2 KH |
213 | }; |
214 | ||
9a7e8492 | 215 | static const struct intel_device_info intel_ironlake_d_info = { |
f00a3ddf | 216 | .gen = 5, |
5a117db7 | 217 | .need_gfx_hws = 1, .has_hotplug = 1, |
92f49d9c | 218 | .has_bsd_ring = 1, |
cfdf1fa2 KH |
219 | }; |
220 | ||
9a7e8492 | 221 | static const struct intel_device_info intel_ironlake_m_info = { |
f00a3ddf | 222 | .gen = 5, .is_mobile = 1, |
e3c4e5dd | 223 | .need_gfx_hws = 1, .has_hotplug = 1, |
c1a9f047 | 224 | .has_fbc = 1, |
92f49d9c | 225 | .has_bsd_ring = 1, |
cfdf1fa2 KH |
226 | }; |
227 | ||
9a7e8492 | 228 | static const struct intel_device_info intel_sandybridge_d_info = { |
a6c45cf0 | 229 | .gen = 6, |
c96c3a8c | 230 | .need_gfx_hws = 1, .has_hotplug = 1, |
881f47b6 | 231 | .has_bsd_ring = 1, |
549f7365 | 232 | .has_blt_ring = 1, |
3d29b842 | 233 | .has_llc = 1, |
b7884eb4 | 234 | .has_force_wake = 1, |
f6e450a6 EA |
235 | }; |
236 | ||
9a7e8492 | 237 | static const struct intel_device_info intel_sandybridge_m_info = { |
a6c45cf0 | 238 | .gen = 6, .is_mobile = 1, |
c96c3a8c | 239 | .need_gfx_hws = 1, .has_hotplug = 1, |
9c04f015 | 240 | .has_fbc = 1, |
881f47b6 | 241 | .has_bsd_ring = 1, |
549f7365 | 242 | .has_blt_ring = 1, |
3d29b842 | 243 | .has_llc = 1, |
b7884eb4 | 244 | .has_force_wake = 1, |
a13e4093 EA |
245 | }; |
246 | ||
c76b615c JB |
247 | static const struct intel_device_info intel_ivybridge_d_info = { |
248 | .is_ivybridge = 1, .gen = 7, | |
249 | .need_gfx_hws = 1, .has_hotplug = 1, | |
250 | .has_bsd_ring = 1, | |
251 | .has_blt_ring = 1, | |
3d29b842 | 252 | .has_llc = 1, |
b7884eb4 | 253 | .has_force_wake = 1, |
c76b615c JB |
254 | }; |
255 | ||
256 | static const struct intel_device_info intel_ivybridge_m_info = { | |
257 | .is_ivybridge = 1, .gen = 7, .is_mobile = 1, | |
258 | .need_gfx_hws = 1, .has_hotplug = 1, | |
259 | .has_fbc = 0, /* FBC is not enabled on Ivybridge mobile yet */ | |
260 | .has_bsd_ring = 1, | |
261 | .has_blt_ring = 1, | |
3d29b842 | 262 | .has_llc = 1, |
b7884eb4 | 263 | .has_force_wake = 1, |
c76b615c JB |
264 | }; |
265 | ||
70a3eb7a JB |
266 | static const struct intel_device_info intel_valleyview_m_info = { |
267 | .gen = 7, .is_mobile = 1, | |
268 | .need_gfx_hws = 1, .has_hotplug = 1, | |
269 | .has_fbc = 0, | |
270 | .has_bsd_ring = 1, | |
271 | .has_blt_ring = 1, | |
272 | .is_valleyview = 1, | |
273 | }; | |
274 | ||
275 | static const struct intel_device_info intel_valleyview_d_info = { | |
276 | .gen = 7, | |
277 | .need_gfx_hws = 1, .has_hotplug = 1, | |
278 | .has_fbc = 0, | |
279 | .has_bsd_ring = 1, | |
280 | .has_blt_ring = 1, | |
281 | .is_valleyview = 1, | |
282 | }; | |
283 | ||
4cae9ae0 ED |
284 | static const struct intel_device_info intel_haswell_d_info = { |
285 | .is_haswell = 1, .gen = 7, | |
286 | .need_gfx_hws = 1, .has_hotplug = 1, | |
287 | .has_bsd_ring = 1, | |
288 | .has_blt_ring = 1, | |
289 | .has_llc = 1, | |
b7884eb4 | 290 | .has_force_wake = 1, |
4cae9ae0 ED |
291 | }; |
292 | ||
293 | static const struct intel_device_info intel_haswell_m_info = { | |
294 | .is_haswell = 1, .gen = 7, .is_mobile = 1, | |
295 | .need_gfx_hws = 1, .has_hotplug = 1, | |
296 | .has_bsd_ring = 1, | |
297 | .has_blt_ring = 1, | |
298 | .has_llc = 1, | |
b7884eb4 | 299 | .has_force_wake = 1, |
c76b615c JB |
300 | }; |
301 | ||
6103da0d CW |
302 | static const struct pci_device_id pciidlist[] = { /* aka */ |
303 | INTEL_VGA_DEVICE(0x3577, &intel_i830_info), /* I830_M */ | |
304 | INTEL_VGA_DEVICE(0x2562, &intel_845g_info), /* 845_G */ | |
305 | INTEL_VGA_DEVICE(0x3582, &intel_i85x_info), /* I855_GM */ | |
5ce8ba7c | 306 | INTEL_VGA_DEVICE(0x358e, &intel_i85x_info), |
6103da0d CW |
307 | INTEL_VGA_DEVICE(0x2572, &intel_i865g_info), /* I865_G */ |
308 | INTEL_VGA_DEVICE(0x2582, &intel_i915g_info), /* I915_G */ | |
309 | INTEL_VGA_DEVICE(0x258a, &intel_i915g_info), /* E7221_G */ | |
310 | INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info), /* I915_GM */ | |
311 | INTEL_VGA_DEVICE(0x2772, &intel_i945g_info), /* I945_G */ | |
312 | INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info), /* I945_GM */ | |
313 | INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info), /* I945_GME */ | |
314 | INTEL_VGA_DEVICE(0x2972, &intel_i965g_info), /* I946_GZ */ | |
315 | INTEL_VGA_DEVICE(0x2982, &intel_i965g_info), /* G35_G */ | |
316 | INTEL_VGA_DEVICE(0x2992, &intel_i965g_info), /* I965_Q */ | |
317 | INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info), /* I965_G */ | |
318 | INTEL_VGA_DEVICE(0x29b2, &intel_g33_info), /* Q35_G */ | |
319 | INTEL_VGA_DEVICE(0x29c2, &intel_g33_info), /* G33_G */ | |
320 | INTEL_VGA_DEVICE(0x29d2, &intel_g33_info), /* Q33_G */ | |
321 | INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info), /* I965_GM */ | |
322 | INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info), /* I965_GME */ | |
323 | INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info), /* GM45_G */ | |
324 | INTEL_VGA_DEVICE(0x2e02, &intel_g45_info), /* IGD_E_G */ | |
325 | INTEL_VGA_DEVICE(0x2e12, &intel_g45_info), /* Q45_G */ | |
326 | INTEL_VGA_DEVICE(0x2e22, &intel_g45_info), /* G45_G */ | |
327 | INTEL_VGA_DEVICE(0x2e32, &intel_g45_info), /* G41_G */ | |
328 | INTEL_VGA_DEVICE(0x2e42, &intel_g45_info), /* B43_G */ | |
41a51428 | 329 | INTEL_VGA_DEVICE(0x2e92, &intel_g45_info), /* B43_G.1 */ |
cfdf1fa2 KH |
330 | INTEL_VGA_DEVICE(0xa001, &intel_pineview_info), |
331 | INTEL_VGA_DEVICE(0xa011, &intel_pineview_info), | |
332 | INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info), | |
333 | INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info), | |
f6e450a6 | 334 | INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info), |
85540480 ZW |
335 | INTEL_VGA_DEVICE(0x0112, &intel_sandybridge_d_info), |
336 | INTEL_VGA_DEVICE(0x0122, &intel_sandybridge_d_info), | |
a13e4093 | 337 | INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info), |
85540480 | 338 | INTEL_VGA_DEVICE(0x0116, &intel_sandybridge_m_info), |
4fefe435 | 339 | INTEL_VGA_DEVICE(0x0126, &intel_sandybridge_m_info), |
85540480 | 340 | INTEL_VGA_DEVICE(0x010A, &intel_sandybridge_d_info), |
c76b615c JB |
341 | INTEL_VGA_DEVICE(0x0156, &intel_ivybridge_m_info), /* GT1 mobile */ |
342 | INTEL_VGA_DEVICE(0x0166, &intel_ivybridge_m_info), /* GT2 mobile */ | |
343 | INTEL_VGA_DEVICE(0x0152, &intel_ivybridge_d_info), /* GT1 desktop */ | |
344 | INTEL_VGA_DEVICE(0x0162, &intel_ivybridge_d_info), /* GT2 desktop */ | |
345 | INTEL_VGA_DEVICE(0x015a, &intel_ivybridge_d_info), /* GT1 server */ | |
cc22a938 | 346 | INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */ |
c14f5286 ED |
347 | INTEL_VGA_DEVICE(0x0402, &intel_haswell_d_info), /* GT1 desktop */ |
348 | INTEL_VGA_DEVICE(0x0412, &intel_haswell_d_info), /* GT2 desktop */ | |
349 | INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */ | |
350 | INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */ | |
351 | INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */ | |
352 | INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */ | |
353 | INTEL_VGA_DEVICE(0x0c16, &intel_haswell_d_info), /* SDV */ | |
ff049b6c JB |
354 | INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), |
355 | INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info), | |
356 | INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), | |
49ae35f2 | 357 | {0, 0, 0} |
1da177e4 LT |
358 | }; |
359 | ||
79e53945 JB |
360 | #if defined(CONFIG_DRM_I915_KMS) |
361 | MODULE_DEVICE_TABLE(pci, pciidlist); | |
362 | #endif | |
363 | ||
3bad0781 | 364 | #define INTEL_PCH_DEVICE_ID_MASK 0xff00 |
90711d50 | 365 | #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00 |
3bad0781 | 366 | #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00 |
c792513b | 367 | #define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00 |
eb877ebf | 368 | #define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00 |
3bad0781 | 369 | |
0206e353 | 370 | void intel_detect_pch(struct drm_device *dev) |
3bad0781 ZW |
371 | { |
372 | struct drm_i915_private *dev_priv = dev->dev_private; | |
373 | struct pci_dev *pch; | |
374 | ||
375 | /* | |
376 | * The reason to probe ISA bridge instead of Dev31:Fun0 is to | |
377 | * make graphics device passthrough work easy for VMM, that only | |
378 | * need to expose ISA bridge to let driver know the real hardware | |
379 | * underneath. This is a requirement from virtualization team. | |
380 | */ | |
381 | pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); | |
382 | if (pch) { | |
383 | if (pch->vendor == PCI_VENDOR_ID_INTEL) { | |
384 | int id; | |
385 | id = pch->device & INTEL_PCH_DEVICE_ID_MASK; | |
386 | ||
90711d50 JB |
387 | if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) { |
388 | dev_priv->pch_type = PCH_IBX; | |
ee7b9f93 | 389 | dev_priv->num_pch_pll = 2; |
90711d50 JB |
390 | DRM_DEBUG_KMS("Found Ibex Peak PCH\n"); |
391 | } else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) { | |
3bad0781 | 392 | dev_priv->pch_type = PCH_CPT; |
ee7b9f93 | 393 | dev_priv->num_pch_pll = 2; |
3bad0781 | 394 | DRM_DEBUG_KMS("Found CougarPoint PCH\n"); |
c792513b JB |
395 | } else if (id == INTEL_PCH_PPT_DEVICE_ID_TYPE) { |
396 | /* PantherPoint is CPT compatible */ | |
397 | dev_priv->pch_type = PCH_CPT; | |
ee7b9f93 | 398 | dev_priv->num_pch_pll = 2; |
c792513b | 399 | DRM_DEBUG_KMS("Found PatherPoint PCH\n"); |
eb877ebf ED |
400 | } else if (id == INTEL_PCH_LPT_DEVICE_ID_TYPE) { |
401 | dev_priv->pch_type = PCH_LPT; | |
ee7b9f93 | 402 | dev_priv->num_pch_pll = 0; |
eb877ebf | 403 | DRM_DEBUG_KMS("Found LynxPoint PCH\n"); |
3bad0781 | 404 | } |
ee7b9f93 | 405 | BUG_ON(dev_priv->num_pch_pll > I915_NUM_PLLS); |
3bad0781 ZW |
406 | } |
407 | pci_dev_put(pch); | |
408 | } | |
409 | } | |
410 | ||
2911a35b BW |
411 | bool i915_semaphore_is_enabled(struct drm_device *dev) |
412 | { | |
413 | if (INTEL_INFO(dev)->gen < 6) | |
414 | return 0; | |
415 | ||
416 | if (i915_semaphores >= 0) | |
417 | return i915_semaphores; | |
418 | ||
59de3295 | 419 | #ifdef CONFIG_INTEL_IOMMU |
2911a35b | 420 | /* Enable semaphores on SNB when IO remapping is off */ |
59de3295 DV |
421 | if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) |
422 | return false; | |
423 | #endif | |
2911a35b BW |
424 | |
425 | return 1; | |
426 | } | |
427 | ||
84b79f8d | 428 | static int i915_drm_freeze(struct drm_device *dev) |
ba8bbcf6 | 429 | { |
61caf87c RW |
430 | struct drm_i915_private *dev_priv = dev->dev_private; |
431 | ||
5bcf719b DA |
432 | drm_kms_helper_poll_disable(dev); |
433 | ||
ba8bbcf6 | 434 | pci_save_state(dev->pdev); |
ba8bbcf6 | 435 | |
5669fcac | 436 | /* If KMS is active, we do the leavevt stuff here */ |
226485e9 | 437 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
84b79f8d RW |
438 | int error = i915_gem_idle(dev); |
439 | if (error) { | |
226485e9 | 440 | dev_err(&dev->pdev->dev, |
84b79f8d RW |
441 | "GEM idle failed, resume might fail\n"); |
442 | return error; | |
443 | } | |
226485e9 | 444 | drm_irq_uninstall(dev); |
5669fcac JB |
445 | } |
446 | ||
9e06dd39 JB |
447 | i915_save_state(dev); |
448 | ||
44834a67 | 449 | intel_opregion_fini(dev); |
8ee1c3db | 450 | |
84b79f8d RW |
451 | /* Modeset on resume, not lid events */ |
452 | dev_priv->modeset_on_lid = 0; | |
61caf87c | 453 | |
3fa016a0 DA |
454 | console_lock(); |
455 | intel_fbdev_set_suspend(dev, 1); | |
456 | console_unlock(); | |
457 | ||
61caf87c | 458 | return 0; |
84b79f8d RW |
459 | } |
460 | ||
6a9ee8af | 461 | int i915_suspend(struct drm_device *dev, pm_message_t state) |
84b79f8d RW |
462 | { |
463 | int error; | |
464 | ||
465 | if (!dev || !dev->dev_private) { | |
466 | DRM_ERROR("dev: %p\n", dev); | |
467 | DRM_ERROR("DRM not initialized, aborting suspend.\n"); | |
468 | return -ENODEV; | |
469 | } | |
470 | ||
471 | if (state.event == PM_EVENT_PRETHAW) | |
472 | return 0; | |
473 | ||
5bcf719b DA |
474 | |
475 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) | |
476 | return 0; | |
6eecba33 | 477 | |
84b79f8d RW |
478 | error = i915_drm_freeze(dev); |
479 | if (error) | |
480 | return error; | |
481 | ||
b932ccb5 DA |
482 | if (state.event == PM_EVENT_SUSPEND) { |
483 | /* Shut down the device */ | |
484 | pci_disable_device(dev->pdev); | |
485 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
486 | } | |
ba8bbcf6 JB |
487 | |
488 | return 0; | |
489 | } | |
490 | ||
84b79f8d | 491 | static int i915_drm_thaw(struct drm_device *dev) |
ba8bbcf6 | 492 | { |
5669fcac | 493 | struct drm_i915_private *dev_priv = dev->dev_private; |
84b79f8d | 494 | int error = 0; |
8ee1c3db | 495 | |
d1c3b177 CW |
496 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
497 | mutex_lock(&dev->struct_mutex); | |
498 | i915_gem_restore_gtt_mappings(dev); | |
499 | mutex_unlock(&dev->struct_mutex); | |
500 | } | |
501 | ||
61caf87c | 502 | i915_restore_state(dev); |
44834a67 | 503 | intel_opregion_setup(dev); |
61caf87c | 504 | |
5669fcac JB |
505 | /* KMS EnterVT equivalent */ |
506 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { | |
40579abe | 507 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
1833b134 CW |
508 | ironlake_init_pch_refclk(dev); |
509 | ||
5669fcac JB |
510 | mutex_lock(&dev->struct_mutex); |
511 | dev_priv->mm.suspended = 0; | |
512 | ||
f691e2f4 | 513 | error = i915_gem_init_hw(dev); |
5669fcac | 514 | mutex_unlock(&dev->struct_mutex); |
226485e9 | 515 | |
1833b134 | 516 | intel_modeset_init_hw(dev); |
500f7147 | 517 | drm_mode_config_reset(dev); |
226485e9 | 518 | drm_irq_install(dev); |
84b79f8d | 519 | |
354ff967 | 520 | /* Resume the modeset for every activated CRTC */ |
927a2f11 | 521 | mutex_lock(&dev->mode_config.mutex); |
354ff967 | 522 | drm_helper_resume_force_mode(dev); |
927a2f11 | 523 | mutex_unlock(&dev->mode_config.mutex); |
d5bb081b | 524 | } |
1daed3fb | 525 | |
44834a67 CW |
526 | intel_opregion_init(dev); |
527 | ||
c9354c85 | 528 | dev_priv->modeset_on_lid = 0; |
06891e27 | 529 | |
3fa016a0 DA |
530 | console_lock(); |
531 | intel_fbdev_set_suspend(dev, 0); | |
532 | console_unlock(); | |
84b79f8d RW |
533 | return error; |
534 | } | |
535 | ||
6a9ee8af | 536 | int i915_resume(struct drm_device *dev) |
84b79f8d | 537 | { |
6eecba33 CW |
538 | int ret; |
539 | ||
5bcf719b DA |
540 | if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
541 | return 0; | |
542 | ||
84b79f8d RW |
543 | if (pci_enable_device(dev->pdev)) |
544 | return -EIO; | |
545 | ||
546 | pci_set_master(dev->pdev); | |
547 | ||
6eecba33 CW |
548 | ret = i915_drm_thaw(dev); |
549 | if (ret) | |
550 | return ret; | |
551 | ||
552 | drm_kms_helper_poll_enable(dev); | |
553 | return 0; | |
ba8bbcf6 JB |
554 | } |
555 | ||
d4b8bb2a | 556 | static int i8xx_do_reset(struct drm_device *dev) |
dc96e9b8 CW |
557 | { |
558 | struct drm_i915_private *dev_priv = dev->dev_private; | |
559 | ||
560 | if (IS_I85X(dev)) | |
561 | return -ENODEV; | |
562 | ||
563 | I915_WRITE(D_STATE, I915_READ(D_STATE) | DSTATE_GFX_RESET_I830); | |
564 | POSTING_READ(D_STATE); | |
565 | ||
566 | if (IS_I830(dev) || IS_845G(dev)) { | |
567 | I915_WRITE(DEBUG_RESET_I830, | |
568 | DEBUG_RESET_DISPLAY | | |
569 | DEBUG_RESET_RENDER | | |
570 | DEBUG_RESET_FULL); | |
571 | POSTING_READ(DEBUG_RESET_I830); | |
572 | msleep(1); | |
573 | ||
574 | I915_WRITE(DEBUG_RESET_I830, 0); | |
575 | POSTING_READ(DEBUG_RESET_I830); | |
576 | } | |
577 | ||
578 | msleep(1); | |
579 | ||
580 | I915_WRITE(D_STATE, I915_READ(D_STATE) & ~DSTATE_GFX_RESET_I830); | |
581 | POSTING_READ(D_STATE); | |
582 | ||
583 | return 0; | |
584 | } | |
585 | ||
f49f0586 KG |
586 | static int i965_reset_complete(struct drm_device *dev) |
587 | { | |
588 | u8 gdrst; | |
eeccdcac | 589 | pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst); |
5fe9fe8c | 590 | return (gdrst & GRDOM_RESET_ENABLE) == 0; |
f49f0586 KG |
591 | } |
592 | ||
d4b8bb2a | 593 | static int i965_do_reset(struct drm_device *dev) |
0573ed4a | 594 | { |
5ccce180 | 595 | int ret; |
0573ed4a KG |
596 | u8 gdrst; |
597 | ||
ae681d96 CW |
598 | /* |
599 | * Set the domains we want to reset (GRDOM/bits 2 and 3) as | |
600 | * well as the reset bit (GR/bit 0). Setting the GR bit | |
601 | * triggers the reset; when done, the hardware will clear it. | |
602 | */ | |
0573ed4a | 603 | pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst); |
d4b8bb2a | 604 | pci_write_config_byte(dev->pdev, I965_GDRST, |
5ccce180 DV |
605 | gdrst | GRDOM_RENDER | |
606 | GRDOM_RESET_ENABLE); | |
607 | ret = wait_for(i965_reset_complete(dev), 500); | |
608 | if (ret) | |
609 | return ret; | |
610 | ||
611 | /* We can't reset render&media without also resetting display ... */ | |
612 | pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst); | |
613 | pci_write_config_byte(dev->pdev, I965_GDRST, | |
614 | gdrst | GRDOM_MEDIA | | |
615 | GRDOM_RESET_ENABLE); | |
0573ed4a KG |
616 | |
617 | return wait_for(i965_reset_complete(dev), 500); | |
618 | } | |
619 | ||
d4b8bb2a | 620 | static int ironlake_do_reset(struct drm_device *dev) |
0573ed4a KG |
621 | { |
622 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5ccce180 DV |
623 | u32 gdrst; |
624 | int ret; | |
625 | ||
626 | gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR); | |
627 | I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, | |
628 | gdrst | GRDOM_RENDER | GRDOM_RESET_ENABLE); | |
629 | ret = wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500); | |
630 | if (ret) | |
631 | return ret; | |
632 | ||
633 | /* We can't reset render&media without also resetting display ... */ | |
634 | gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR); | |
d4b8bb2a | 635 | I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, |
5ccce180 | 636 | gdrst | GRDOM_MEDIA | GRDOM_RESET_ENABLE); |
0573ed4a | 637 | return wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500); |
ba8bbcf6 JB |
638 | } |
639 | ||
d4b8bb2a | 640 | static int gen6_do_reset(struct drm_device *dev) |
cff458c2 EA |
641 | { |
642 | struct drm_i915_private *dev_priv = dev->dev_private; | |
b6e45f86 KP |
643 | int ret; |
644 | unsigned long irqflags; | |
cff458c2 | 645 | |
286fed41 KP |
646 | /* Hold gt_lock across reset to prevent any register access |
647 | * with forcewake not set correctly | |
648 | */ | |
b6e45f86 | 649 | spin_lock_irqsave(&dev_priv->gt_lock, irqflags); |
286fed41 KP |
650 | |
651 | /* Reset the chip */ | |
652 | ||
653 | /* GEN6_GDRST is not in the gt power well, no need to check | |
654 | * for fifo space for the write or forcewake the chip for | |
655 | * the read | |
656 | */ | |
657 | I915_WRITE_NOTRACE(GEN6_GDRST, GEN6_GRDOM_FULL); | |
658 | ||
659 | /* Spin waiting for the device to ack the reset request */ | |
660 | ret = wait_for((I915_READ_NOTRACE(GEN6_GDRST) & GEN6_GRDOM_FULL) == 0, 500); | |
661 | ||
662 | /* If reset with a user forcewake, try to restore, otherwise turn it off */ | |
b6e45f86 | 663 | if (dev_priv->forcewake_count) |
990bbdad | 664 | dev_priv->gt.force_wake_get(dev_priv); |
286fed41 | 665 | else |
990bbdad | 666 | dev_priv->gt.force_wake_put(dev_priv); |
286fed41 KP |
667 | |
668 | /* Restore fifo count */ | |
669 | dev_priv->gt_fifo_count = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES); | |
670 | ||
b6e45f86 KP |
671 | spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); |
672 | return ret; | |
cff458c2 EA |
673 | } |
674 | ||
8e96d9c4 | 675 | int intel_gpu_reset(struct drm_device *dev) |
350d2706 | 676 | { |
2b9dc9a2 | 677 | struct drm_i915_private *dev_priv = dev->dev_private; |
350d2706 DV |
678 | int ret = -ENODEV; |
679 | ||
680 | switch (INTEL_INFO(dev)->gen) { | |
681 | case 7: | |
682 | case 6: | |
d4b8bb2a | 683 | ret = gen6_do_reset(dev); |
350d2706 DV |
684 | break; |
685 | case 5: | |
d4b8bb2a | 686 | ret = ironlake_do_reset(dev); |
350d2706 DV |
687 | break; |
688 | case 4: | |
d4b8bb2a | 689 | ret = i965_do_reset(dev); |
350d2706 DV |
690 | break; |
691 | case 2: | |
d4b8bb2a | 692 | ret = i8xx_do_reset(dev); |
350d2706 DV |
693 | break; |
694 | } | |
695 | ||
2b9dc9a2 DV |
696 | /* Also reset the gpu hangman. */ |
697 | if (dev_priv->stop_rings) { | |
698 | DRM_DEBUG("Simulated gpu hang, resetting stop_rings\n"); | |
699 | dev_priv->stop_rings = 0; | |
700 | if (ret == -ENODEV) { | |
701 | DRM_ERROR("Reset not implemented, but ignoring " | |
702 | "error for simulated gpu hangs\n"); | |
703 | ret = 0; | |
704 | } | |
705 | } | |
706 | ||
350d2706 DV |
707 | return ret; |
708 | } | |
709 | ||
11ed50ec | 710 | /** |
f3953dcb | 711 | * i915_reset - reset chip after a hang |
11ed50ec | 712 | * @dev: drm device to reset |
11ed50ec BG |
713 | * |
714 | * Reset the chip. Useful if a hang is detected. Returns zero on successful | |
715 | * reset or otherwise an error code. | |
716 | * | |
717 | * Procedure is fairly simple: | |
718 | * - reset the chip using the reset reg | |
719 | * - re-init context state | |
720 | * - re-init hardware status page | |
721 | * - re-init ring buffer | |
722 | * - re-init interrupt state | |
723 | * - re-init display | |
724 | */ | |
d4b8bb2a | 725 | int i915_reset(struct drm_device *dev) |
11ed50ec BG |
726 | { |
727 | drm_i915_private_t *dev_priv = dev->dev_private; | |
0573ed4a | 728 | int ret; |
11ed50ec | 729 | |
d78cb50b CW |
730 | if (!i915_try_reset) |
731 | return 0; | |
732 | ||
340479aa CW |
733 | if (!mutex_trylock(&dev->struct_mutex)) |
734 | return -EBUSY; | |
11ed50ec | 735 | |
069efc1d | 736 | i915_gem_reset(dev); |
77f01230 | 737 | |
f803aa55 | 738 | ret = -ENODEV; |
350d2706 | 739 | if (get_seconds() - dev_priv->last_gpu_reset < 5) |
ae681d96 | 740 | DRM_ERROR("GPU hanging too fast, declaring wedged!\n"); |
350d2706 | 741 | else |
d4b8bb2a | 742 | ret = intel_gpu_reset(dev); |
350d2706 | 743 | |
ae681d96 | 744 | dev_priv->last_gpu_reset = get_seconds(); |
0573ed4a | 745 | if (ret) { |
f803aa55 | 746 | DRM_ERROR("Failed to reset chip.\n"); |
f953c935 | 747 | mutex_unlock(&dev->struct_mutex); |
f803aa55 | 748 | return ret; |
11ed50ec BG |
749 | } |
750 | ||
751 | /* Ok, now get things going again... */ | |
752 | ||
753 | /* | |
754 | * Everything depends on having the GTT running, so we need to start | |
755 | * there. Fortunately we don't need to do this unless we reset the | |
756 | * chip at a PCI level. | |
757 | * | |
758 | * Next we need to restore the context, but we don't use those | |
759 | * yet either... | |
760 | * | |
761 | * Ring buffer needs to be re-initialized in the KMS case, or if X | |
762 | * was running at the time of the reset (i.e. we weren't VT | |
763 | * switched away). | |
764 | */ | |
765 | if (drm_core_check_feature(dev, DRIVER_MODESET) || | |
8187a2b7 | 766 | !dev_priv->mm.suspended) { |
b4519513 CW |
767 | struct intel_ring_buffer *ring; |
768 | int i; | |
769 | ||
11ed50ec | 770 | dev_priv->mm.suspended = 0; |
75a6898f | 771 | |
f691e2f4 DV |
772 | i915_gem_init_swizzling(dev); |
773 | ||
b4519513 CW |
774 | for_each_ring(ring, dev_priv, i) |
775 | ring->init(ring); | |
75a6898f | 776 | |
254f965c | 777 | i915_gem_context_init(dev); |
e21af88d DV |
778 | i915_gem_init_ppgtt(dev); |
779 | ||
8e88a2bd DV |
780 | /* |
781 | * It would make sense to re-init all the other hw state, at | |
782 | * least the rps/rc6/emon init done within modeset_init_hw. For | |
783 | * some unknown reason, this blows up my ilk, so don't. | |
784 | */ | |
f817586c | 785 | |
8e88a2bd | 786 | mutex_unlock(&dev->struct_mutex); |
f817586c | 787 | |
11ed50ec BG |
788 | drm_irq_uninstall(dev); |
789 | drm_irq_install(dev); | |
bcbc324a DV |
790 | } else { |
791 | mutex_unlock(&dev->struct_mutex); | |
11ed50ec BG |
792 | } |
793 | ||
11ed50ec BG |
794 | return 0; |
795 | } | |
796 | ||
112b715e KH |
797 | static int __devinit |
798 | i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
799 | { | |
01a06850 DV |
800 | struct intel_device_info *intel_info = |
801 | (struct intel_device_info *) ent->driver_data; | |
802 | ||
5fe49d86 CW |
803 | /* Only bind to function 0 of the device. Early generations |
804 | * used function 1 as a placeholder for multi-head. This causes | |
805 | * us confusion instead, especially on the systems where both | |
806 | * functions have the same PCI-ID! | |
807 | */ | |
808 | if (PCI_FUNC(pdev->devfn)) | |
809 | return -ENODEV; | |
810 | ||
01a06850 DV |
811 | /* We've managed to ship a kms-enabled ddx that shipped with an XvMC |
812 | * implementation for gen3 (and only gen3) that used legacy drm maps | |
813 | * (gasp!) to share buffers between X and the client. Hence we need to | |
814 | * keep around the fake agp stuff for gen3, even when kms is enabled. */ | |
815 | if (intel_info->gen != 3) { | |
816 | driver.driver_features &= | |
817 | ~(DRIVER_USE_AGP | DRIVER_REQUIRE_AGP); | |
818 | } else if (!intel_agp_enabled) { | |
819 | DRM_ERROR("drm/i915 can't work without intel_agp module!\n"); | |
820 | return -ENODEV; | |
821 | } | |
822 | ||
dcdb1674 | 823 | return drm_get_pci_dev(pdev, ent, &driver); |
112b715e KH |
824 | } |
825 | ||
826 | static void | |
827 | i915_pci_remove(struct pci_dev *pdev) | |
828 | { | |
829 | struct drm_device *dev = pci_get_drvdata(pdev); | |
830 | ||
831 | drm_put_dev(dev); | |
832 | } | |
833 | ||
84b79f8d | 834 | static int i915_pm_suspend(struct device *dev) |
112b715e | 835 | { |
84b79f8d RW |
836 | struct pci_dev *pdev = to_pci_dev(dev); |
837 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
838 | int error; | |
112b715e | 839 | |
84b79f8d RW |
840 | if (!drm_dev || !drm_dev->dev_private) { |
841 | dev_err(dev, "DRM not initialized, aborting suspend.\n"); | |
842 | return -ENODEV; | |
843 | } | |
112b715e | 844 | |
5bcf719b DA |
845 | if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF) |
846 | return 0; | |
847 | ||
84b79f8d RW |
848 | error = i915_drm_freeze(drm_dev); |
849 | if (error) | |
850 | return error; | |
112b715e | 851 | |
84b79f8d RW |
852 | pci_disable_device(pdev); |
853 | pci_set_power_state(pdev, PCI_D3hot); | |
cbda12d7 | 854 | |
84b79f8d | 855 | return 0; |
cbda12d7 ZW |
856 | } |
857 | ||
84b79f8d | 858 | static int i915_pm_resume(struct device *dev) |
cbda12d7 | 859 | { |
84b79f8d RW |
860 | struct pci_dev *pdev = to_pci_dev(dev); |
861 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
862 | ||
863 | return i915_resume(drm_dev); | |
cbda12d7 ZW |
864 | } |
865 | ||
84b79f8d | 866 | static int i915_pm_freeze(struct device *dev) |
cbda12d7 | 867 | { |
84b79f8d RW |
868 | struct pci_dev *pdev = to_pci_dev(dev); |
869 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
870 | ||
871 | if (!drm_dev || !drm_dev->dev_private) { | |
872 | dev_err(dev, "DRM not initialized, aborting suspend.\n"); | |
873 | return -ENODEV; | |
874 | } | |
875 | ||
876 | return i915_drm_freeze(drm_dev); | |
cbda12d7 ZW |
877 | } |
878 | ||
84b79f8d | 879 | static int i915_pm_thaw(struct device *dev) |
cbda12d7 | 880 | { |
84b79f8d RW |
881 | struct pci_dev *pdev = to_pci_dev(dev); |
882 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
883 | ||
884 | return i915_drm_thaw(drm_dev); | |
cbda12d7 ZW |
885 | } |
886 | ||
84b79f8d | 887 | static int i915_pm_poweroff(struct device *dev) |
cbda12d7 | 888 | { |
84b79f8d RW |
889 | struct pci_dev *pdev = to_pci_dev(dev); |
890 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
84b79f8d | 891 | |
61caf87c | 892 | return i915_drm_freeze(drm_dev); |
cbda12d7 ZW |
893 | } |
894 | ||
b4b78d12 | 895 | static const struct dev_pm_ops i915_pm_ops = { |
0206e353 AJ |
896 | .suspend = i915_pm_suspend, |
897 | .resume = i915_pm_resume, | |
898 | .freeze = i915_pm_freeze, | |
899 | .thaw = i915_pm_thaw, | |
900 | .poweroff = i915_pm_poweroff, | |
901 | .restore = i915_pm_resume, | |
cbda12d7 ZW |
902 | }; |
903 | ||
78b68556 | 904 | static const struct vm_operations_struct i915_gem_vm_ops = { |
de151cf6 | 905 | .fault = i915_gem_fault, |
ab00b3e5 JB |
906 | .open = drm_gem_vm_open, |
907 | .close = drm_gem_vm_close, | |
de151cf6 JB |
908 | }; |
909 | ||
e08e96de AV |
910 | static const struct file_operations i915_driver_fops = { |
911 | .owner = THIS_MODULE, | |
912 | .open = drm_open, | |
913 | .release = drm_release, | |
914 | .unlocked_ioctl = drm_ioctl, | |
915 | .mmap = drm_gem_mmap, | |
916 | .poll = drm_poll, | |
917 | .fasync = drm_fasync, | |
918 | .read = drm_read, | |
919 | #ifdef CONFIG_COMPAT | |
920 | .compat_ioctl = i915_compat_ioctl, | |
921 | #endif | |
922 | .llseek = noop_llseek, | |
923 | }; | |
924 | ||
1da177e4 | 925 | static struct drm_driver driver = { |
0c54781b MW |
926 | /* Don't use MTRRs here; the Xserver or userspace app should |
927 | * deal with them for Intel hardware. | |
792d2b9a | 928 | */ |
673a394b EA |
929 | .driver_features = |
930 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ | |
1286ff73 | 931 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME, |
22eae947 | 932 | .load = i915_driver_load, |
ba8bbcf6 | 933 | .unload = i915_driver_unload, |
673a394b | 934 | .open = i915_driver_open, |
22eae947 DA |
935 | .lastclose = i915_driver_lastclose, |
936 | .preclose = i915_driver_preclose, | |
673a394b | 937 | .postclose = i915_driver_postclose, |
d8e29209 RW |
938 | |
939 | /* Used in place of i915_pm_ops for non-DRIVER_MODESET */ | |
940 | .suspend = i915_suspend, | |
941 | .resume = i915_resume, | |
942 | ||
cda17380 | 943 | .device_is_agp = i915_driver_device_is_agp, |
1da177e4 | 944 | .reclaim_buffers = drm_core_reclaim_buffers, |
7c1c2871 DA |
945 | .master_create = i915_master_create, |
946 | .master_destroy = i915_master_destroy, | |
955b12de | 947 | #if defined(CONFIG_DEBUG_FS) |
27c202ad BG |
948 | .debugfs_init = i915_debugfs_init, |
949 | .debugfs_cleanup = i915_debugfs_cleanup, | |
955b12de | 950 | #endif |
673a394b EA |
951 | .gem_init_object = i915_gem_init_object, |
952 | .gem_free_object = i915_gem_free_object, | |
de151cf6 | 953 | .gem_vm_ops = &i915_gem_vm_ops, |
1286ff73 DV |
954 | |
955 | .prime_handle_to_fd = drm_gem_prime_handle_to_fd, | |
956 | .prime_fd_to_handle = drm_gem_prime_fd_to_handle, | |
957 | .gem_prime_export = i915_gem_prime_export, | |
958 | .gem_prime_import = i915_gem_prime_import, | |
959 | ||
ff72145b DA |
960 | .dumb_create = i915_gem_dumb_create, |
961 | .dumb_map_offset = i915_gem_mmap_gtt, | |
962 | .dumb_destroy = i915_gem_dumb_destroy, | |
1da177e4 | 963 | .ioctls = i915_ioctls, |
e08e96de | 964 | .fops = &i915_driver_fops, |
22eae947 DA |
965 | .name = DRIVER_NAME, |
966 | .desc = DRIVER_DESC, | |
967 | .date = DRIVER_DATE, | |
968 | .major = DRIVER_MAJOR, | |
969 | .minor = DRIVER_MINOR, | |
970 | .patchlevel = DRIVER_PATCHLEVEL, | |
1da177e4 LT |
971 | }; |
972 | ||
8410ea3b DA |
973 | static struct pci_driver i915_pci_driver = { |
974 | .name = DRIVER_NAME, | |
975 | .id_table = pciidlist, | |
976 | .probe = i915_pci_probe, | |
977 | .remove = i915_pci_remove, | |
978 | .driver.pm = &i915_pm_ops, | |
979 | }; | |
980 | ||
1da177e4 LT |
981 | static int __init i915_init(void) |
982 | { | |
983 | driver.num_ioctls = i915_max_ioctl; | |
79e53945 JB |
984 | |
985 | /* | |
986 | * If CONFIG_DRM_I915_KMS is set, default to KMS unless | |
987 | * explicitly disabled with the module pararmeter. | |
988 | * | |
989 | * Otherwise, just follow the parameter (defaulting to off). | |
990 | * | |
991 | * Allow optional vga_text_mode_force boot option to override | |
992 | * the default behavior. | |
993 | */ | |
994 | #if defined(CONFIG_DRM_I915_KMS) | |
995 | if (i915_modeset != 0) | |
996 | driver.driver_features |= DRIVER_MODESET; | |
997 | #endif | |
998 | if (i915_modeset == 1) | |
999 | driver.driver_features |= DRIVER_MODESET; | |
1000 | ||
1001 | #ifdef CONFIG_VGA_CONSOLE | |
1002 | if (vgacon_text_force() && i915_modeset == -1) | |
1003 | driver.driver_features &= ~DRIVER_MODESET; | |
1004 | #endif | |
1005 | ||
3885c6bb CW |
1006 | if (!(driver.driver_features & DRIVER_MODESET)) |
1007 | driver.get_vblank_timestamp = NULL; | |
1008 | ||
8410ea3b | 1009 | return drm_pci_init(&driver, &i915_pci_driver); |
1da177e4 LT |
1010 | } |
1011 | ||
1012 | static void __exit i915_exit(void) | |
1013 | { | |
8410ea3b | 1014 | drm_pci_exit(&driver, &i915_pci_driver); |
1da177e4 LT |
1015 | } |
1016 | ||
1017 | module_init(i915_init); | |
1018 | module_exit(i915_exit); | |
1019 | ||
b5e89ed5 DA |
1020 | MODULE_AUTHOR(DRIVER_AUTHOR); |
1021 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 | 1022 | MODULE_LICENSE("GPL and additional rights"); |
f7000883 | 1023 | |
b7d84096 JB |
1024 | /* We give fast paths for the really cool registers */ |
1025 | #define NEEDS_FORCE_WAKE(dev_priv, reg) \ | |
b7884eb4 DV |
1026 | ((HAS_FORCE_WAKE((dev_priv)->dev)) && \ |
1027 | ((reg) < 0x40000) && \ | |
1028 | ((reg) != FORCEWAKE)) | |
b7d84096 | 1029 | |
f7dff0c9 JB |
1030 | static bool IS_DISPLAYREG(u32 reg) |
1031 | { | |
1032 | /* | |
1033 | * This should make it easier to transition modules over to the | |
1034 | * new register block scheme, since we can do it incrementally. | |
1035 | */ | |
1036 | if (reg >= 0x180000) | |
1037 | return false; | |
1038 | ||
1039 | if (reg >= RENDER_RING_BASE && | |
1040 | reg < RENDER_RING_BASE + 0xff) | |
1041 | return false; | |
1042 | if (reg >= GEN6_BSD_RING_BASE && | |
1043 | reg < GEN6_BSD_RING_BASE + 0xff) | |
1044 | return false; | |
1045 | if (reg >= BLT_RING_BASE && | |
1046 | reg < BLT_RING_BASE + 0xff) | |
1047 | return false; | |
1048 | ||
1049 | if (reg == PGTBL_ER) | |
1050 | return false; | |
1051 | ||
1052 | if (reg >= IPEIR_I965 && | |
1053 | reg < HWSTAM) | |
1054 | return false; | |
1055 | ||
1056 | if (reg == MI_MODE) | |
1057 | return false; | |
1058 | ||
1059 | if (reg == GFX_MODE_GEN7) | |
1060 | return false; | |
1061 | ||
1062 | if (reg == RENDER_HWS_PGA_GEN7 || | |
1063 | reg == BSD_HWS_PGA_GEN7 || | |
1064 | reg == BLT_HWS_PGA_GEN7) | |
1065 | return false; | |
1066 | ||
1067 | if (reg == GEN6_BSD_SLEEP_PSMI_CONTROL || | |
1068 | reg == GEN6_BSD_RNCID) | |
1069 | return false; | |
1070 | ||
1071 | if (reg == GEN6_BLITTER_ECOSKPD) | |
1072 | return false; | |
1073 | ||
1074 | if (reg >= 0x4000c && | |
1075 | reg <= 0x4002c) | |
1076 | return false; | |
1077 | ||
1078 | if (reg >= 0x4f000 && | |
1079 | reg <= 0x4f08f) | |
1080 | return false; | |
1081 | ||
1082 | if (reg >= 0x4f100 && | |
1083 | reg <= 0x4f11f) | |
1084 | return false; | |
1085 | ||
1086 | if (reg >= VLV_MASTER_IER && | |
1087 | reg <= GEN6_PMIER) | |
1088 | return false; | |
1089 | ||
1090 | if (reg >= FENCE_REG_SANDYBRIDGE_0 && | |
1091 | reg < (FENCE_REG_SANDYBRIDGE_0 + (16*8))) | |
1092 | return false; | |
1093 | ||
1094 | if (reg >= VLV_IIR_RW && | |
1095 | reg <= VLV_ISR) | |
1096 | return false; | |
1097 | ||
1098 | if (reg == FORCEWAKE_VLV || | |
1099 | reg == FORCEWAKE_ACK_VLV) | |
1100 | return false; | |
1101 | ||
1102 | if (reg == GEN6_GDRST) | |
1103 | return false; | |
1104 | ||
1105 | return true; | |
1106 | } | |
1107 | ||
f7000883 AK |
1108 | #define __i915_read(x, y) \ |
1109 | u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \ | |
1110 | u##x val = 0; \ | |
1111 | if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \ | |
c937504e KP |
1112 | unsigned long irqflags; \ |
1113 | spin_lock_irqsave(&dev_priv->gt_lock, irqflags); \ | |
1114 | if (dev_priv->forcewake_count == 0) \ | |
990bbdad | 1115 | dev_priv->gt.force_wake_get(dev_priv); \ |
f7000883 | 1116 | val = read##y(dev_priv->regs + reg); \ |
c937504e | 1117 | if (dev_priv->forcewake_count == 0) \ |
990bbdad | 1118 | dev_priv->gt.force_wake_put(dev_priv); \ |
c937504e | 1119 | spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); \ |
f7dff0c9 JB |
1120 | } else if (IS_VALLEYVIEW(dev_priv->dev) && IS_DISPLAYREG(reg)) { \ |
1121 | val = read##y(dev_priv->regs + reg + 0x180000); \ | |
f7000883 AK |
1122 | } else { \ |
1123 | val = read##y(dev_priv->regs + reg); \ | |
1124 | } \ | |
1125 | trace_i915_reg_rw(false, reg, val, sizeof(val)); \ | |
1126 | return val; \ | |
1127 | } | |
1128 | ||
1129 | __i915_read(8, b) | |
1130 | __i915_read(16, w) | |
1131 | __i915_read(32, l) | |
1132 | __i915_read(64, q) | |
1133 | #undef __i915_read | |
1134 | ||
1135 | #define __i915_write(x, y) \ | |
1136 | void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \ | |
67a3744f | 1137 | u32 __fifo_ret = 0; \ |
f7000883 AK |
1138 | trace_i915_reg_rw(true, reg, val, sizeof(val)); \ |
1139 | if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \ | |
67a3744f | 1140 | __fifo_ret = __gen6_gt_wait_for_fifo(dev_priv); \ |
f7000883 | 1141 | } \ |
f7dff0c9 JB |
1142 | if (IS_VALLEYVIEW(dev_priv->dev) && IS_DISPLAYREG(reg)) { \ |
1143 | write##y(val, dev_priv->regs + reg + 0x180000); \ | |
1144 | } else { \ | |
1145 | write##y(val, dev_priv->regs + reg); \ | |
1146 | } \ | |
67a3744f BW |
1147 | if (unlikely(__fifo_ret)) { \ |
1148 | gen6_gt_check_fifodbg(dev_priv); \ | |
1149 | } \ | |
f7000883 AK |
1150 | } |
1151 | __i915_write(8, b) | |
1152 | __i915_write(16, w) | |
1153 | __i915_write(32, l) | |
1154 | __i915_write(64, q) | |
1155 | #undef __i915_write |