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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" | |
f49f0586 | 35 | #include "intel_drv.h" |
1da177e4 | 36 | |
79e53945 | 37 | #include <linux/console.h> |
354ff967 | 38 | #include "drm_crtc_helper.h" |
79e53945 | 39 | |
d6073d77 | 40 | static int i915_modeset = -1; |
79e53945 JB |
41 | module_param_named(modeset, i915_modeset, int, 0400); |
42 | ||
43 | unsigned int i915_fbpercrtc = 0; | |
44 | module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); | |
1da177e4 | 45 | |
652c393a JB |
46 | unsigned int i915_powersave = 1; |
47 | module_param_named(powersave, i915_powersave, int, 0400); | |
48 | ||
33814341 JB |
49 | unsigned int i915_lvds_downclock = 0; |
50 | module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400); | |
51 | ||
112b715e | 52 | static struct drm_driver driver; |
1f7a6e37 | 53 | extern int intel_agp_enabled; |
112b715e | 54 | |
cfdf1fa2 | 55 | #define INTEL_VGA_DEVICE(id, info) { \ |
49ae35f2 KH |
56 | .class = PCI_CLASS_DISPLAY_VGA << 8, \ |
57 | .class_mask = 0xffff00, \ | |
58 | .vendor = 0x8086, \ | |
59 | .device = id, \ | |
60 | .subvendor = PCI_ANY_ID, \ | |
61 | .subdevice = PCI_ANY_ID, \ | |
cfdf1fa2 KH |
62 | .driver_data = (unsigned long) info } |
63 | ||
9a7e8492 | 64 | static const struct intel_device_info intel_i830_info = { |
a6c45cf0 | 65 | .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, |
31578148 | 66 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
67 | }; |
68 | ||
9a7e8492 | 69 | static const struct intel_device_info intel_845g_info = { |
a6c45cf0 | 70 | .gen = 2, |
31578148 | 71 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
72 | }; |
73 | ||
9a7e8492 | 74 | static const struct intel_device_info intel_i85x_info = { |
a6c45cf0 | 75 | .gen = 2, .is_i85x = 1, .is_mobile = 1, |
5ce8ba7c | 76 | .cursor_needs_physical = 1, |
31578148 | 77 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
78 | }; |
79 | ||
9a7e8492 | 80 | static const struct intel_device_info intel_i865g_info = { |
a6c45cf0 | 81 | .gen = 2, |
31578148 | 82 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 KH |
83 | }; |
84 | ||
9a7e8492 | 85 | static const struct intel_device_info intel_i915g_info = { |
a6c45cf0 | 86 | .gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, |
31578148 | 87 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 | 88 | }; |
9a7e8492 | 89 | static const struct intel_device_info intel_i915gm_info = { |
a6c45cf0 | 90 | .gen = 3, .is_mobile = 1, |
b295d1b6 | 91 | .cursor_needs_physical = 1, |
31578148 | 92 | .has_overlay = 1, .overlay_needs_physical = 1, |
a6c45cf0 | 93 | .supports_tv = 1, |
cfdf1fa2 | 94 | }; |
9a7e8492 | 95 | static const struct intel_device_info intel_i945g_info = { |
a6c45cf0 | 96 | .gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, |
31578148 | 97 | .has_overlay = 1, .overlay_needs_physical = 1, |
cfdf1fa2 | 98 | }; |
9a7e8492 | 99 | static const struct intel_device_info intel_i945gm_info = { |
a6c45cf0 | 100 | .gen = 3, .is_i945gm = 1, .is_mobile = 1, |
b295d1b6 | 101 | .has_hotplug = 1, .cursor_needs_physical = 1, |
31578148 | 102 | .has_overlay = 1, .overlay_needs_physical = 1, |
a6c45cf0 | 103 | .supports_tv = 1, |
cfdf1fa2 KH |
104 | }; |
105 | ||
9a7e8492 | 106 | static const struct intel_device_info intel_i965g_info = { |
a6c45cf0 | 107 | .gen = 4, .is_broadwater = 1, |
c96c3a8c | 108 | .has_hotplug = 1, |
31578148 | 109 | .has_overlay = 1, |
cfdf1fa2 KH |
110 | }; |
111 | ||
9a7e8492 | 112 | static const struct intel_device_info intel_i965gm_info = { |
a6c45cf0 | 113 | .gen = 4, .is_crestline = 1, |
c96c3a8c | 114 | .is_mobile = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1, |
31578148 | 115 | .has_overlay = 1, |
a6c45cf0 | 116 | .supports_tv = 1, |
cfdf1fa2 KH |
117 | }; |
118 | ||
9a7e8492 | 119 | static const struct intel_device_info intel_g33_info = { |
a6c45cf0 | 120 | .gen = 3, .is_g33 = 1, |
c96c3a8c | 121 | .need_gfx_hws = 1, .has_hotplug = 1, |
31578148 | 122 | .has_overlay = 1, |
cfdf1fa2 KH |
123 | }; |
124 | ||
9a7e8492 | 125 | static const struct intel_device_info intel_g45_info = { |
a6c45cf0 | 126 | .gen = 4, .is_g4x = 1, .need_gfx_hws = 1, |
c96c3a8c | 127 | .has_pipe_cxsr = 1, .has_hotplug = 1, |
cfdf1fa2 KH |
128 | }; |
129 | ||
9a7e8492 | 130 | static const struct intel_device_info intel_gm45_info = { |
a6c45cf0 | 131 | .gen = 4, .is_g4x = 1, |
cfdf1fa2 | 132 | .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, |
c96c3a8c | 133 | .has_pipe_cxsr = 1, .has_hotplug = 1, |
a6c45cf0 | 134 | .supports_tv = 1, |
cfdf1fa2 KH |
135 | }; |
136 | ||
9a7e8492 | 137 | static const struct intel_device_info intel_pineview_info = { |
a6c45cf0 | 138 | .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, |
c96c3a8c | 139 | .need_gfx_hws = 1, .has_hotplug = 1, |
31578148 | 140 | .has_overlay = 1, |
cfdf1fa2 KH |
141 | }; |
142 | ||
9a7e8492 | 143 | static const struct intel_device_info intel_ironlake_d_info = { |
a6c45cf0 | 144 | .gen = 5, .is_ironlake = 1, |
c96c3a8c | 145 | .need_gfx_hws = 1, .has_pipe_cxsr = 1, .has_hotplug = 1, |
cfdf1fa2 KH |
146 | }; |
147 | ||
9a7e8492 | 148 | static const struct intel_device_info intel_ironlake_m_info = { |
a6c45cf0 | 149 | .gen = 5, .is_ironlake = 1, .is_mobile = 1, |
c96c3a8c | 150 | .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1, |
cfdf1fa2 KH |
151 | }; |
152 | ||
9a7e8492 | 153 | static const struct intel_device_info intel_sandybridge_d_info = { |
a6c45cf0 | 154 | .gen = 6, |
c96c3a8c | 155 | .need_gfx_hws = 1, .has_hotplug = 1, |
f6e450a6 EA |
156 | }; |
157 | ||
9a7e8492 | 158 | static const struct intel_device_info intel_sandybridge_m_info = { |
a6c45cf0 | 159 | .gen = 6, .is_mobile = 1, |
c96c3a8c | 160 | .need_gfx_hws = 1, .has_hotplug = 1, |
a13e4093 EA |
161 | }; |
162 | ||
6103da0d CW |
163 | static const struct pci_device_id pciidlist[] = { /* aka */ |
164 | INTEL_VGA_DEVICE(0x3577, &intel_i830_info), /* I830_M */ | |
165 | INTEL_VGA_DEVICE(0x2562, &intel_845g_info), /* 845_G */ | |
166 | INTEL_VGA_DEVICE(0x3582, &intel_i85x_info), /* I855_GM */ | |
5ce8ba7c | 167 | INTEL_VGA_DEVICE(0x358e, &intel_i85x_info), |
6103da0d CW |
168 | INTEL_VGA_DEVICE(0x2572, &intel_i865g_info), /* I865_G */ |
169 | INTEL_VGA_DEVICE(0x2582, &intel_i915g_info), /* I915_G */ | |
170 | INTEL_VGA_DEVICE(0x258a, &intel_i915g_info), /* E7221_G */ | |
171 | INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info), /* I915_GM */ | |
172 | INTEL_VGA_DEVICE(0x2772, &intel_i945g_info), /* I945_G */ | |
173 | INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info), /* I945_GM */ | |
174 | INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info), /* I945_GME */ | |
175 | INTEL_VGA_DEVICE(0x2972, &intel_i965g_info), /* I946_GZ */ | |
176 | INTEL_VGA_DEVICE(0x2982, &intel_i965g_info), /* G35_G */ | |
177 | INTEL_VGA_DEVICE(0x2992, &intel_i965g_info), /* I965_Q */ | |
178 | INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info), /* I965_G */ | |
179 | INTEL_VGA_DEVICE(0x29b2, &intel_g33_info), /* Q35_G */ | |
180 | INTEL_VGA_DEVICE(0x29c2, &intel_g33_info), /* G33_G */ | |
181 | INTEL_VGA_DEVICE(0x29d2, &intel_g33_info), /* Q33_G */ | |
182 | INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info), /* I965_GM */ | |
183 | INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info), /* I965_GME */ | |
184 | INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info), /* GM45_G */ | |
185 | INTEL_VGA_DEVICE(0x2e02, &intel_g45_info), /* IGD_E_G */ | |
186 | INTEL_VGA_DEVICE(0x2e12, &intel_g45_info), /* Q45_G */ | |
187 | INTEL_VGA_DEVICE(0x2e22, &intel_g45_info), /* G45_G */ | |
188 | INTEL_VGA_DEVICE(0x2e32, &intel_g45_info), /* G41_G */ | |
189 | INTEL_VGA_DEVICE(0x2e42, &intel_g45_info), /* B43_G */ | |
41a51428 | 190 | INTEL_VGA_DEVICE(0x2e92, &intel_g45_info), /* B43_G.1 */ |
cfdf1fa2 KH |
191 | INTEL_VGA_DEVICE(0xa001, &intel_pineview_info), |
192 | INTEL_VGA_DEVICE(0xa011, &intel_pineview_info), | |
193 | INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info), | |
194 | INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info), | |
f6e450a6 | 195 | INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info), |
85540480 ZW |
196 | INTEL_VGA_DEVICE(0x0112, &intel_sandybridge_d_info), |
197 | INTEL_VGA_DEVICE(0x0122, &intel_sandybridge_d_info), | |
a13e4093 | 198 | INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info), |
85540480 | 199 | INTEL_VGA_DEVICE(0x0116, &intel_sandybridge_m_info), |
4fefe435 | 200 | INTEL_VGA_DEVICE(0x0126, &intel_sandybridge_m_info), |
85540480 | 201 | INTEL_VGA_DEVICE(0x010A, &intel_sandybridge_d_info), |
49ae35f2 | 202 | {0, 0, 0} |
1da177e4 LT |
203 | }; |
204 | ||
79e53945 JB |
205 | #if defined(CONFIG_DRM_I915_KMS) |
206 | MODULE_DEVICE_TABLE(pci, pciidlist); | |
207 | #endif | |
208 | ||
3bad0781 ZW |
209 | #define INTEL_PCH_DEVICE_ID_MASK 0xff00 |
210 | #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00 | |
211 | ||
212 | void intel_detect_pch (struct drm_device *dev) | |
213 | { | |
214 | struct drm_i915_private *dev_priv = dev->dev_private; | |
215 | struct pci_dev *pch; | |
216 | ||
217 | /* | |
218 | * The reason to probe ISA bridge instead of Dev31:Fun0 is to | |
219 | * make graphics device passthrough work easy for VMM, that only | |
220 | * need to expose ISA bridge to let driver know the real hardware | |
221 | * underneath. This is a requirement from virtualization team. | |
222 | */ | |
223 | pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); | |
224 | if (pch) { | |
225 | if (pch->vendor == PCI_VENDOR_ID_INTEL) { | |
226 | int id; | |
227 | id = pch->device & INTEL_PCH_DEVICE_ID_MASK; | |
228 | ||
229 | if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) { | |
230 | dev_priv->pch_type = PCH_CPT; | |
231 | DRM_DEBUG_KMS("Found CougarPoint PCH\n"); | |
232 | } | |
233 | } | |
234 | pci_dev_put(pch); | |
235 | } | |
236 | } | |
237 | ||
84b79f8d | 238 | static int i915_drm_freeze(struct drm_device *dev) |
ba8bbcf6 | 239 | { |
61caf87c RW |
240 | struct drm_i915_private *dev_priv = dev->dev_private; |
241 | ||
ba8bbcf6 | 242 | pci_save_state(dev->pdev); |
ba8bbcf6 | 243 | |
5669fcac | 244 | /* If KMS is active, we do the leavevt stuff here */ |
226485e9 | 245 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
84b79f8d RW |
246 | int error = i915_gem_idle(dev); |
247 | if (error) { | |
226485e9 | 248 | dev_err(&dev->pdev->dev, |
84b79f8d RW |
249 | "GEM idle failed, resume might fail\n"); |
250 | return error; | |
251 | } | |
226485e9 | 252 | drm_irq_uninstall(dev); |
5669fcac JB |
253 | } |
254 | ||
9e06dd39 JB |
255 | i915_save_state(dev); |
256 | ||
44834a67 | 257 | intel_opregion_fini(dev); |
8ee1c3db | 258 | |
84b79f8d RW |
259 | /* Modeset on resume, not lid events */ |
260 | dev_priv->modeset_on_lid = 0; | |
61caf87c RW |
261 | |
262 | return 0; | |
84b79f8d RW |
263 | } |
264 | ||
6a9ee8af | 265 | int i915_suspend(struct drm_device *dev, pm_message_t state) |
84b79f8d RW |
266 | { |
267 | int error; | |
268 | ||
269 | if (!dev || !dev->dev_private) { | |
270 | DRM_ERROR("dev: %p\n", dev); | |
271 | DRM_ERROR("DRM not initialized, aborting suspend.\n"); | |
272 | return -ENODEV; | |
273 | } | |
274 | ||
275 | if (state.event == PM_EVENT_PRETHAW) | |
276 | return 0; | |
277 | ||
278 | error = i915_drm_freeze(dev); | |
279 | if (error) | |
280 | return error; | |
281 | ||
b932ccb5 DA |
282 | if (state.event == PM_EVENT_SUSPEND) { |
283 | /* Shut down the device */ | |
284 | pci_disable_device(dev->pdev); | |
285 | pci_set_power_state(dev->pdev, PCI_D3hot); | |
286 | } | |
ba8bbcf6 JB |
287 | |
288 | return 0; | |
289 | } | |
290 | ||
84b79f8d | 291 | static int i915_drm_thaw(struct drm_device *dev) |
ba8bbcf6 | 292 | { |
5669fcac | 293 | struct drm_i915_private *dev_priv = dev->dev_private; |
84b79f8d | 294 | int error = 0; |
8ee1c3db | 295 | |
61caf87c | 296 | i915_restore_state(dev); |
44834a67 | 297 | intel_opregion_setup(dev); |
61caf87c | 298 | |
5669fcac JB |
299 | /* KMS EnterVT equivalent */ |
300 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { | |
301 | mutex_lock(&dev->struct_mutex); | |
302 | dev_priv->mm.suspended = 0; | |
303 | ||
84b79f8d | 304 | error = i915_gem_init_ringbuffer(dev); |
5669fcac | 305 | mutex_unlock(&dev->struct_mutex); |
226485e9 JB |
306 | |
307 | drm_irq_install(dev); | |
84b79f8d | 308 | |
354ff967 ZY |
309 | /* Resume the modeset for every activated CRTC */ |
310 | drm_helper_resume_force_mode(dev); | |
311 | } | |
5669fcac | 312 | |
44834a67 CW |
313 | intel_opregion_init(dev); |
314 | ||
c9354c85 | 315 | dev_priv->modeset_on_lid = 0; |
06891e27 | 316 | |
84b79f8d RW |
317 | return error; |
318 | } | |
319 | ||
6a9ee8af | 320 | int i915_resume(struct drm_device *dev) |
84b79f8d RW |
321 | { |
322 | if (pci_enable_device(dev->pdev)) | |
323 | return -EIO; | |
324 | ||
325 | pci_set_master(dev->pdev); | |
326 | ||
84b79f8d | 327 | return i915_drm_thaw(dev); |
ba8bbcf6 JB |
328 | } |
329 | ||
f49f0586 KG |
330 | static int i965_reset_complete(struct drm_device *dev) |
331 | { | |
332 | u8 gdrst; | |
eeccdcac | 333 | pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst); |
f49f0586 KG |
334 | return gdrst & 0x1; |
335 | } | |
336 | ||
0573ed4a KG |
337 | static int i965_do_reset(struct drm_device *dev, u8 flags) |
338 | { | |
339 | u8 gdrst; | |
340 | ||
341 | pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst); | |
342 | pci_write_config_byte(dev->pdev, I965_GDRST, gdrst | flags | 0x1); | |
343 | ||
344 | return wait_for(i965_reset_complete(dev), 500); | |
345 | } | |
346 | ||
347 | static int ironlake_do_reset(struct drm_device *dev, u8 flags) | |
348 | { | |
349 | struct drm_i915_private *dev_priv = dev->dev_private; | |
350 | u32 gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR); | |
351 | I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, gdrst | flags | 0x1); | |
352 | return wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500); | |
353 | } | |
354 | ||
11ed50ec BG |
355 | /** |
356 | * i965_reset - reset chip after a hang | |
357 | * @dev: drm device to reset | |
358 | * @flags: reset domains | |
359 | * | |
360 | * Reset the chip. Useful if a hang is detected. Returns zero on successful | |
361 | * reset or otherwise an error code. | |
362 | * | |
363 | * Procedure is fairly simple: | |
364 | * - reset the chip using the reset reg | |
365 | * - re-init context state | |
366 | * - re-init hardware status page | |
367 | * - re-init ring buffer | |
368 | * - re-init interrupt state | |
369 | * - re-init display | |
370 | */ | |
371 | int i965_reset(struct drm_device *dev, u8 flags) | |
372 | { | |
373 | drm_i915_private_t *dev_priv = dev->dev_private; | |
11ed50ec BG |
374 | /* |
375 | * We really should only reset the display subsystem if we actually | |
376 | * need to | |
377 | */ | |
378 | bool need_display = true; | |
0573ed4a | 379 | int ret; |
11ed50ec BG |
380 | |
381 | mutex_lock(&dev->struct_mutex); | |
382 | ||
383 | /* | |
384 | * Clear request list | |
385 | */ | |
b09a1fec | 386 | i915_gem_retire_requests(dev); |
11ed50ec | 387 | |
9375e446 CW |
388 | /* Remove anything from the flushing lists. The GPU cache is likely |
389 | * to be lost on reset along with the data, so simply move the | |
390 | * lost bo to the inactive list. | |
391 | */ | |
392 | i915_gem_reset_flushing_list(dev); | |
393 | ||
77f01230 CW |
394 | /* Move everything out of the GPU domains to ensure we do any |
395 | * necessary invalidation upon reuse. | |
396 | */ | |
397 | i915_gem_reset_inactive_gpu_domains(dev); | |
398 | ||
a6c45cf0 | 399 | /* |
f49f0586 KG |
400 | * Set the domains we want to reset (GRDOM/bits 2 and 3) as |
401 | * well as the reset bit (GR/bit 0). Setting the GR bit | |
402 | * triggers the reset; when done, the hardware will clear it. | |
a6c45cf0 | 403 | */ |
0573ed4a KG |
404 | if (IS_IRONLAKE(dev)) |
405 | ret = ironlake_do_reset(dev, flags); | |
406 | else | |
407 | ret = i965_do_reset(dev, flags); | |
408 | if (ret) { | |
a6c45cf0 | 409 | WARN(true, "i915: Failed to reset chip\n"); |
f953c935 | 410 | mutex_unlock(&dev->struct_mutex); |
a6c45cf0 | 411 | return -EIO; |
11ed50ec BG |
412 | } |
413 | ||
414 | /* Ok, now get things going again... */ | |
415 | ||
416 | /* | |
417 | * Everything depends on having the GTT running, so we need to start | |
418 | * there. Fortunately we don't need to do this unless we reset the | |
419 | * chip at a PCI level. | |
420 | * | |
421 | * Next we need to restore the context, but we don't use those | |
422 | * yet either... | |
423 | * | |
424 | * Ring buffer needs to be re-initialized in the KMS case, or if X | |
425 | * was running at the time of the reset (i.e. we weren't VT | |
426 | * switched away). | |
427 | */ | |
428 | if (drm_core_check_feature(dev, DRIVER_MODESET) || | |
8187a2b7 ZN |
429 | !dev_priv->mm.suspended) { |
430 | struct intel_ring_buffer *ring = &dev_priv->render_ring; | |
11ed50ec | 431 | dev_priv->mm.suspended = 0; |
8187a2b7 | 432 | ring->init(dev, ring); |
11ed50ec BG |
433 | mutex_unlock(&dev->struct_mutex); |
434 | drm_irq_uninstall(dev); | |
435 | drm_irq_install(dev); | |
436 | mutex_lock(&dev->struct_mutex); | |
437 | } | |
438 | ||
9fd98141 CW |
439 | mutex_unlock(&dev->struct_mutex); |
440 | ||
11ed50ec | 441 | /* |
9fd98141 CW |
442 | * Perform a full modeset as on later generations, e.g. Ironlake, we may |
443 | * need to retrain the display link and cannot just restore the register | |
444 | * values. | |
11ed50ec | 445 | */ |
9fd98141 CW |
446 | if (need_display) { |
447 | mutex_lock(&dev->mode_config.mutex); | |
448 | drm_helper_resume_force_mode(dev); | |
449 | mutex_unlock(&dev->mode_config.mutex); | |
450 | } | |
11ed50ec | 451 | |
11ed50ec BG |
452 | return 0; |
453 | } | |
454 | ||
455 | ||
112b715e KH |
456 | static int __devinit |
457 | i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
458 | { | |
dcdb1674 | 459 | return drm_get_pci_dev(pdev, ent, &driver); |
112b715e KH |
460 | } |
461 | ||
462 | static void | |
463 | i915_pci_remove(struct pci_dev *pdev) | |
464 | { | |
465 | struct drm_device *dev = pci_get_drvdata(pdev); | |
466 | ||
467 | drm_put_dev(dev); | |
468 | } | |
469 | ||
84b79f8d | 470 | static int i915_pm_suspend(struct device *dev) |
112b715e | 471 | { |
84b79f8d RW |
472 | struct pci_dev *pdev = to_pci_dev(dev); |
473 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
474 | int error; | |
112b715e | 475 | |
84b79f8d RW |
476 | if (!drm_dev || !drm_dev->dev_private) { |
477 | dev_err(dev, "DRM not initialized, aborting suspend.\n"); | |
478 | return -ENODEV; | |
479 | } | |
112b715e | 480 | |
84b79f8d RW |
481 | error = i915_drm_freeze(drm_dev); |
482 | if (error) | |
483 | return error; | |
112b715e | 484 | |
84b79f8d RW |
485 | pci_disable_device(pdev); |
486 | pci_set_power_state(pdev, PCI_D3hot); | |
cbda12d7 | 487 | |
84b79f8d | 488 | return 0; |
cbda12d7 ZW |
489 | } |
490 | ||
84b79f8d | 491 | static int i915_pm_resume(struct device *dev) |
cbda12d7 | 492 | { |
84b79f8d RW |
493 | struct pci_dev *pdev = to_pci_dev(dev); |
494 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
495 | ||
496 | return i915_resume(drm_dev); | |
cbda12d7 ZW |
497 | } |
498 | ||
84b79f8d | 499 | static int i915_pm_freeze(struct device *dev) |
cbda12d7 | 500 | { |
84b79f8d RW |
501 | struct pci_dev *pdev = to_pci_dev(dev); |
502 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
503 | ||
504 | if (!drm_dev || !drm_dev->dev_private) { | |
505 | dev_err(dev, "DRM not initialized, aborting suspend.\n"); | |
506 | return -ENODEV; | |
507 | } | |
508 | ||
509 | return i915_drm_freeze(drm_dev); | |
cbda12d7 ZW |
510 | } |
511 | ||
84b79f8d | 512 | static int i915_pm_thaw(struct device *dev) |
cbda12d7 | 513 | { |
84b79f8d RW |
514 | struct pci_dev *pdev = to_pci_dev(dev); |
515 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
516 | ||
517 | return i915_drm_thaw(drm_dev); | |
cbda12d7 ZW |
518 | } |
519 | ||
84b79f8d | 520 | static int i915_pm_poweroff(struct device *dev) |
cbda12d7 | 521 | { |
84b79f8d RW |
522 | struct pci_dev *pdev = to_pci_dev(dev); |
523 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
84b79f8d | 524 | |
61caf87c | 525 | return i915_drm_freeze(drm_dev); |
cbda12d7 ZW |
526 | } |
527 | ||
b4b78d12 | 528 | static const struct dev_pm_ops i915_pm_ops = { |
cbda12d7 ZW |
529 | .suspend = i915_pm_suspend, |
530 | .resume = i915_pm_resume, | |
531 | .freeze = i915_pm_freeze, | |
532 | .thaw = i915_pm_thaw, | |
533 | .poweroff = i915_pm_poweroff, | |
84b79f8d | 534 | .restore = i915_pm_resume, |
cbda12d7 ZW |
535 | }; |
536 | ||
de151cf6 JB |
537 | static struct vm_operations_struct i915_gem_vm_ops = { |
538 | .fault = i915_gem_fault, | |
ab00b3e5 JB |
539 | .open = drm_gem_vm_open, |
540 | .close = drm_gem_vm_close, | |
de151cf6 JB |
541 | }; |
542 | ||
1da177e4 | 543 | static struct drm_driver driver = { |
792d2b9a DA |
544 | /* don't use mtrr's here, the Xserver or user space app should |
545 | * deal with them for intel hardware. | |
546 | */ | |
673a394b EA |
547 | .driver_features = |
548 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ | |
549 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM, | |
22eae947 | 550 | .load = i915_driver_load, |
ba8bbcf6 | 551 | .unload = i915_driver_unload, |
673a394b | 552 | .open = i915_driver_open, |
22eae947 DA |
553 | .lastclose = i915_driver_lastclose, |
554 | .preclose = i915_driver_preclose, | |
673a394b | 555 | .postclose = i915_driver_postclose, |
d8e29209 RW |
556 | |
557 | /* Used in place of i915_pm_ops for non-DRIVER_MODESET */ | |
558 | .suspend = i915_suspend, | |
559 | .resume = i915_resume, | |
560 | ||
cda17380 | 561 | .device_is_agp = i915_driver_device_is_agp, |
0a3e67a4 JB |
562 | .enable_vblank = i915_enable_vblank, |
563 | .disable_vblank = i915_disable_vblank, | |
1da177e4 LT |
564 | .irq_preinstall = i915_driver_irq_preinstall, |
565 | .irq_postinstall = i915_driver_irq_postinstall, | |
566 | .irq_uninstall = i915_driver_irq_uninstall, | |
567 | .irq_handler = i915_driver_irq_handler, | |
568 | .reclaim_buffers = drm_core_reclaim_buffers, | |
7c1c2871 DA |
569 | .master_create = i915_master_create, |
570 | .master_destroy = i915_master_destroy, | |
955b12de | 571 | #if defined(CONFIG_DEBUG_FS) |
27c202ad BG |
572 | .debugfs_init = i915_debugfs_init, |
573 | .debugfs_cleanup = i915_debugfs_cleanup, | |
955b12de | 574 | #endif |
673a394b EA |
575 | .gem_init_object = i915_gem_init_object, |
576 | .gem_free_object = i915_gem_free_object, | |
de151cf6 | 577 | .gem_vm_ops = &i915_gem_vm_ops, |
1da177e4 LT |
578 | .ioctls = i915_ioctls, |
579 | .fops = { | |
b5e89ed5 DA |
580 | .owner = THIS_MODULE, |
581 | .open = drm_open, | |
582 | .release = drm_release, | |
ed8b6704 | 583 | .unlocked_ioctl = drm_ioctl, |
de151cf6 | 584 | .mmap = drm_gem_mmap, |
b5e89ed5 DA |
585 | .poll = drm_poll, |
586 | .fasync = drm_fasync, | |
c9a9c5e0 | 587 | .read = drm_read, |
8ca7c1df | 588 | #ifdef CONFIG_COMPAT |
b5e89ed5 | 589 | .compat_ioctl = i915_compat_ioctl, |
8ca7c1df | 590 | #endif |
22eae947 DA |
591 | }, |
592 | ||
1da177e4 | 593 | .pci_driver = { |
22eae947 DA |
594 | .name = DRIVER_NAME, |
595 | .id_table = pciidlist, | |
112b715e KH |
596 | .probe = i915_pci_probe, |
597 | .remove = i915_pci_remove, | |
cbda12d7 | 598 | .driver.pm = &i915_pm_ops, |
22eae947 | 599 | }, |
bc5f4523 | 600 | |
22eae947 DA |
601 | .name = DRIVER_NAME, |
602 | .desc = DRIVER_DESC, | |
603 | .date = DRIVER_DATE, | |
604 | .major = DRIVER_MAJOR, | |
605 | .minor = DRIVER_MINOR, | |
606 | .patchlevel = DRIVER_PATCHLEVEL, | |
1da177e4 LT |
607 | }; |
608 | ||
609 | static int __init i915_init(void) | |
610 | { | |
1f7a6e37 ZW |
611 | if (!intel_agp_enabled) { |
612 | DRM_ERROR("drm/i915 can't work without intel_agp module!\n"); | |
613 | return -ENODEV; | |
614 | } | |
615 | ||
1da177e4 | 616 | driver.num_ioctls = i915_max_ioctl; |
79e53945 | 617 | |
31169714 CW |
618 | i915_gem_shrinker_init(); |
619 | ||
79e53945 JB |
620 | /* |
621 | * If CONFIG_DRM_I915_KMS is set, default to KMS unless | |
622 | * explicitly disabled with the module pararmeter. | |
623 | * | |
624 | * Otherwise, just follow the parameter (defaulting to off). | |
625 | * | |
626 | * Allow optional vga_text_mode_force boot option to override | |
627 | * the default behavior. | |
628 | */ | |
629 | #if defined(CONFIG_DRM_I915_KMS) | |
630 | if (i915_modeset != 0) | |
631 | driver.driver_features |= DRIVER_MODESET; | |
632 | #endif | |
633 | if (i915_modeset == 1) | |
634 | driver.driver_features |= DRIVER_MODESET; | |
635 | ||
636 | #ifdef CONFIG_VGA_CONSOLE | |
637 | if (vgacon_text_force() && i915_modeset == -1) | |
638 | driver.driver_features &= ~DRIVER_MODESET; | |
639 | #endif | |
640 | ||
f97108d1 JB |
641 | if (!(driver.driver_features & DRIVER_MODESET)) { |
642 | driver.suspend = i915_suspend; | |
643 | driver.resume = i915_resume; | |
644 | } | |
645 | ||
1da177e4 LT |
646 | return drm_init(&driver); |
647 | } | |
648 | ||
649 | static void __exit i915_exit(void) | |
650 | { | |
31169714 | 651 | i915_gem_shrinker_exit(); |
1da177e4 LT |
652 | drm_exit(&driver); |
653 | } | |
654 | ||
655 | module_init(i915_init); | |
656 | module_exit(i915_exit); | |
657 | ||
b5e89ed5 DA |
658 | MODULE_AUTHOR(DRIVER_AUTHOR); |
659 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1da177e4 | 660 | MODULE_LICENSE("GPL and additional rights"); |