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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
2 */
Dave Airlie0d6aa602006-01-02 20:14:23 +11003/*
Dave Airliebc54fd12005-06-23 22:46:46 +10004 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * All Rights Reserved.
Dave Airliebc54fd12005-06-23 22:46:46 +10007 *
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 *
Dave Airlie0d6aa602006-01-02 20:14:23 +110028 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Jesse Barnes5669fca2009-02-17 15:13:31 -080030#include <linux/device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include "drmP.h"
32#include "drm.h"
33#include "i915_drm.h"
34#include "i915_drv.h"
35
Jesse Barnes79e53942008-11-07 14:24:08 -080036#include <linux/console.h>
Zhao Yakui354ff962009-07-08 14:13:12 +080037#include "drm_crtc_helper.h"
Jesse Barnes79e53942008-11-07 14:24:08 -080038
Kyle McMartind6073d72009-05-26 12:27:34 -040039static int i915_modeset = -1;
Jesse Barnes79e53942008-11-07 14:24:08 -080040module_param_named(modeset, i915_modeset, int, 0400);
41
42unsigned int i915_fbpercrtc = 0;
43module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
Jesse Barnes652c3932009-08-17 13:31:43 -070045unsigned int i915_powersave = 1;
46module_param_named(powersave, i915_powersave, int, 0400);
47
Jesse Barnes33814342010-01-14 20:48:02 +000048unsigned int i915_lvds_downclock = 0;
49module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
50
Kristian Høgsberg112b7152009-01-04 16:55:33 -050051static struct drm_driver driver;
Zhenyu Wang1f7a6e32010-02-23 14:05:24 +080052extern int intel_agp_enabled;
Kristian Høgsberg112b7152009-01-04 16:55:33 -050053
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050054#define INTEL_VGA_DEVICE(id, info) { \
Kristian Høgsberg49ae35f2009-12-16 15:16:15 -050055 .class = PCI_CLASS_DISPLAY_VGA << 8, \
56 .class_mask = 0xffff00, \
57 .vendor = 0x8086, \
58 .device = id, \
59 .subvendor = PCI_ANY_ID, \
60 .subdevice = PCI_ANY_ID, \
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050061 .driver_data = (unsigned long) info }
Kristian Høgsberg49ae35f2009-12-16 15:16:15 -050062
Tobias Klauser9a7e8492010-05-20 10:33:46 +020063static const struct intel_device_info intel_i830_info = {
Kristian Høgsbergb295d1b2009-12-16 15:16:17 -050064 .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050065};
66
Tobias Klauser9a7e8492010-05-20 10:33:46 +020067static const struct intel_device_info intel_845g_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050068 .is_i8xx = 1,
69};
70
Tobias Klauser9a7e8492010-05-20 10:33:46 +020071static const struct intel_device_info intel_i85x_info = {
Adam Jackson5ce8ba72010-04-15 14:03:30 -040072 .is_i8xx = 1, .is_i85x = 1, .is_mobile = 1,
73 .cursor_needs_physical = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050074};
75
Tobias Klauser9a7e8492010-05-20 10:33:46 +020076static const struct intel_device_info intel_i865g_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050077 .is_i8xx = 1,
78};
79
Tobias Klauser9a7e8492010-05-20 10:33:46 +020080static const struct intel_device_info intel_i915g_info = {
Kristian Høgsbergb295d1b2009-12-16 15:16:17 -050081 .is_i915g = 1, .is_i9xx = 1, .cursor_needs_physical = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050082};
Tobias Klauser9a7e8492010-05-20 10:33:46 +020083static const struct intel_device_info intel_i915gm_info = {
Robert Hooker8d06a1e2010-03-19 15:13:27 -040084 .is_i9xx = 1, .is_mobile = 1,
Kristian Høgsbergb295d1b2009-12-16 15:16:17 -050085 .cursor_needs_physical = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050086};
Tobias Klauser9a7e8492010-05-20 10:33:46 +020087static const struct intel_device_info intel_i945g_info = {
Kristian Høgsbergb295d1b2009-12-16 15:16:17 -050088 .is_i9xx = 1, .has_hotplug = 1, .cursor_needs_physical = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050089};
Tobias Klauser9a7e8492010-05-20 10:33:46 +020090static const struct intel_device_info intel_i945gm_info = {
Robert Hooker8d06a1e2010-03-19 15:13:27 -040091 .is_i945gm = 1, .is_i9xx = 1, .is_mobile = 1,
Kristian Høgsbergb295d1b2009-12-16 15:16:17 -050092 .has_hotplug = 1, .cursor_needs_physical = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050093};
94
Tobias Klauser9a7e8492010-05-20 10:33:46 +020095static const struct intel_device_info intel_i965g_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -050096 .is_i965g = 1, .is_i9xx = 1, .has_hotplug = 1,
97};
98
Tobias Klauser9a7e8492010-05-20 10:33:46 +020099static const struct intel_device_info intel_i965gm_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500100 .is_i965g = 1, .is_mobile = 1, .is_i965gm = 1, .is_i9xx = 1,
101 .is_mobile = 1, .has_fbc = 1, .has_rc6 = 1,
102 .has_hotplug = 1,
103};
104
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200105static const struct intel_device_info intel_g33_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500106 .is_g33 = 1, .is_i9xx = 1, .need_gfx_hws = 1,
107 .has_hotplug = 1,
108};
109
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200110static const struct intel_device_info intel_g45_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500111 .is_i965g = 1, .is_g4x = 1, .is_i9xx = 1, .need_gfx_hws = 1,
112 .has_pipe_cxsr = 1,
113 .has_hotplug = 1,
114};
115
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200116static const struct intel_device_info intel_gm45_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500117 .is_i965g = 1, .is_mobile = 1, .is_g4x = 1, .is_i9xx = 1,
118 .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1,
119 .has_pipe_cxsr = 1,
120 .has_hotplug = 1,
121};
122
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200123static const struct intel_device_info intel_pineview_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500124 .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .is_i9xx = 1,
Li Peng8a6c77d2010-01-21 18:45:46 +0800125 .need_gfx_hws = 1,
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500126 .has_hotplug = 1,
127};
128
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200129static const struct intel_device_info intel_ironlake_d_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500130 .is_ironlake = 1, .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
131 .has_pipe_cxsr = 1,
132 .has_hotplug = 1,
133};
134
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200135static const struct intel_device_info intel_ironlake_m_info = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500136 .is_ironlake = 1, .is_mobile = 1, .is_i965g = 1, .is_i9xx = 1,
137 .need_gfx_hws = 1, .has_rc6 = 1,
138 .has_hotplug = 1,
139};
140
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200141static const struct intel_device_info intel_sandybridge_d_info = {
Eric Anholtf6e450a2009-11-02 12:08:22 -0800142 .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
Zhenyu Wang59f2d0f2010-03-09 23:37:07 +0800143 .has_hotplug = 1, .is_gen6 = 1,
Eric Anholtf6e450a2009-11-02 12:08:22 -0800144};
145
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200146static const struct intel_device_info intel_sandybridge_m_info = {
Eric Anholtfaa7bde2010-01-28 16:13:29 -0800147 .is_i965g = 1, .is_mobile = 1, .is_i9xx = 1, .need_gfx_hws = 1,
Zhenyu Wang59f2d0f2010-03-09 23:37:07 +0800148 .has_hotplug = 1, .is_gen6 = 1,
Eric Anholta13e4092010-01-07 15:08:18 -0800149};
150
Tobias Klauser9a7e8492010-05-20 10:33:46 +0200151static const struct pci_device_id pciidlist[] = {
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500152 INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
153 INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
154 INTEL_VGA_DEVICE(0x3582, &intel_i85x_info),
Adam Jackson5ce8ba72010-04-15 14:03:30 -0400155 INTEL_VGA_DEVICE(0x358e, &intel_i85x_info),
Kristian Høgsbergcfdf1fa2009-12-16 15:16:16 -0500156 INTEL_VGA_DEVICE(0x2572, &intel_i865g_info),
157 INTEL_VGA_DEVICE(0x2582, &intel_i915g_info),
158 INTEL_VGA_DEVICE(0x258a, &intel_i915g_info),
159 INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info),
160 INTEL_VGA_DEVICE(0x2772, &intel_i945g_info),
161 INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info),
162 INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info),
163 INTEL_VGA_DEVICE(0x2972, &intel_i965g_info),
164 INTEL_VGA_DEVICE(0x2982, &intel_i965g_info),
165 INTEL_VGA_DEVICE(0x2992, &intel_i965g_info),
166 INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info),
167 INTEL_VGA_DEVICE(0x29b2, &intel_g33_info),
168 INTEL_VGA_DEVICE(0x29c2, &intel_g33_info),
169 INTEL_VGA_DEVICE(0x29d2, &intel_g33_info),
170 INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info),
171 INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info),
172 INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info),
173 INTEL_VGA_DEVICE(0x2e02, &intel_g45_info),
174 INTEL_VGA_DEVICE(0x2e12, &intel_g45_info),
175 INTEL_VGA_DEVICE(0x2e22, &intel_g45_info),
176 INTEL_VGA_DEVICE(0x2e32, &intel_g45_info),
177 INTEL_VGA_DEVICE(0x2e42, &intel_g45_info),
178 INTEL_VGA_DEVICE(0xa001, &intel_pineview_info),
179 INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
180 INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
181 INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
Eric Anholtf6e450a2009-11-02 12:08:22 -0800182 INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
Eric Anholta13e4092010-01-07 15:08:18 -0800183 INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),
Kristian Høgsberg49ae35f2009-12-16 15:16:15 -0500184 {0, 0, 0}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185};
186
Jesse Barnes79e53942008-11-07 14:24:08 -0800187#if defined(CONFIG_DRM_I915_KMS)
188MODULE_DEVICE_TABLE(pci, pciidlist);
189#endif
190
Zhenyu Wang3bad0782010-04-07 16:15:53 +0800191#define INTEL_PCH_DEVICE_ID_MASK 0xff00
192#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
193
194void intel_detect_pch (struct drm_device *dev)
195{
196 struct drm_i915_private *dev_priv = dev->dev_private;
197 struct pci_dev *pch;
198
199 /*
200 * The reason to probe ISA bridge instead of Dev31:Fun0 is to
201 * make graphics device passthrough work easy for VMM, that only
202 * need to expose ISA bridge to let driver know the real hardware
203 * underneath. This is a requirement from virtualization team.
204 */
205 pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL);
206 if (pch) {
207 if (pch->vendor == PCI_VENDOR_ID_INTEL) {
208 int id;
209 id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
210
211 if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
212 dev_priv->pch_type = PCH_CPT;
213 DRM_DEBUG_KMS("Found CougarPoint PCH\n");
214 }
215 }
216 pci_dev_put(pch);
217 }
218}
219
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100220static int i915_drm_freeze(struct drm_device *dev)
221{
Rafael J. Wysocki61caf872010-02-18 23:06:27 +0100222 struct drm_i915_private *dev_priv = dev->dev_private;
223
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100224 pci_save_state(dev->pdev);
225
226 /* If KMS is active, we do the leavevt stuff here */
227 if (drm_core_check_feature(dev, DRIVER_MODESET)) {
228 int error = i915_gem_idle(dev);
229 if (error) {
230 dev_err(&dev->pdev->dev,
231 "GEM idle failed, resume might fail\n");
232 return error;
233 }
234 drm_irq_uninstall(dev);
235 }
236
237 i915_save_state(dev);
238
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100239 intel_opregion_free(dev, 1);
240
241 /* Modeset on resume, not lid events */
242 dev_priv->modeset_on_lid = 0;
Rafael J. Wysocki61caf872010-02-18 23:06:27 +0100243
244 return 0;
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100245}
246
Dave Airlie6a9ee8a2010-02-01 15:38:10 +1000247int i915_suspend(struct drm_device *dev, pm_message_t state)
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100248{
249 int error;
250
251 if (!dev || !dev->dev_private) {
252 DRM_ERROR("dev: %p\n", dev);
Keith Packard1ae8c0a2009-06-28 15:42:17 -0700253 DRM_ERROR("DRM not initialized, aborting suspend.\n");
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000254 return -ENODEV;
255 }
256
Dave Airlieb932ccb2008-02-20 10:02:20 +1000257 if (state.event == PM_EVENT_PRETHAW)
258 return 0;
259
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100260 error = i915_drm_freeze(dev);
261 if (error)
262 return error;
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000263
Dave Airlieb932ccb2008-02-20 10:02:20 +1000264 if (state.event == PM_EVENT_SUSPEND) {
265 /* Shut down the device */
266 pci_disable_device(dev->pdev);
267 pci_set_power_state(dev->pdev, PCI_D3hot);
268 }
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000269
270 return 0;
271}
272
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100273static int i915_drm_thaw(struct drm_device *dev)
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000274{
Jesse Barnes5669fca2009-02-17 15:13:31 -0800275 struct drm_i915_private *dev_priv = dev->dev_private;
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100276 int error = 0;
Matthew Garrett8ee1c3d2008-08-05 19:37:25 +0100277
Rafael J. Wysocki61caf872010-02-18 23:06:27 +0100278 i915_restore_state(dev);
279
280 intel_opregion_init(dev, 1);
281
Jesse Barnes5669fca2009-02-17 15:13:31 -0800282 /* KMS EnterVT equivalent */
283 if (drm_core_check_feature(dev, DRIVER_MODESET)) {
284 mutex_lock(&dev->struct_mutex);
285 dev_priv->mm.suspended = 0;
286
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100287 error = i915_gem_init_ringbuffer(dev);
Jesse Barnes5669fca2009-02-17 15:13:31 -0800288 mutex_unlock(&dev->struct_mutex);
Jesse Barnes226485e2009-02-23 15:41:09 -0800289
290 drm_irq_install(dev);
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100291
Zhao Yakui354ff962009-07-08 14:13:12 +0800292 /* Resume the modeset for every activated CRTC */
293 drm_helper_resume_force_mode(dev);
294 }
Jesse Barnes5669fca2009-02-17 15:13:31 -0800295
Linus Torvaldsc9354c82009-11-02 09:29:55 -0800296 dev_priv->modeset_on_lid = 0;
Jesse Barnes06891e22009-09-14 10:58:48 -0700297
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100298 return error;
299}
300
Dave Airlie6a9ee8a2010-02-01 15:38:10 +1000301int i915_resume(struct drm_device *dev)
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100302{
303 if (pci_enable_device(dev->pdev))
304 return -EIO;
305
306 pci_set_master(dev->pdev);
307
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100308 return i915_drm_thaw(dev);
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000309}
310
Ben Gamari11ed50e2009-09-14 17:48:45 -0400311/**
312 * i965_reset - reset chip after a hang
313 * @dev: drm device to reset
314 * @flags: reset domains
315 *
316 * Reset the chip. Useful if a hang is detected. Returns zero on successful
317 * reset or otherwise an error code.
318 *
319 * Procedure is fairly simple:
320 * - reset the chip using the reset reg
321 * - re-init context state
322 * - re-init hardware status page
323 * - re-init ring buffer
324 * - re-init interrupt state
325 * - re-init display
326 */
327int i965_reset(struct drm_device *dev, u8 flags)
328{
329 drm_i915_private_t *dev_priv = dev->dev_private;
330 unsigned long timeout;
331 u8 gdrst;
332 /*
333 * We really should only reset the display subsystem if we actually
334 * need to
335 */
336 bool need_display = true;
337
338 mutex_lock(&dev->struct_mutex);
339
340 /*
341 * Clear request list
342 */
Zou Nan hai852835f2010-05-21 09:08:56 +0800343 i915_gem_retire_requests(dev, &dev_priv->render_ring);
Ben Gamari11ed50e2009-09-14 17:48:45 -0400344
345 if (need_display)
346 i915_save_display(dev);
347
348 if (IS_I965G(dev) || IS_G4X(dev)) {
349 /*
350 * Set the domains we want to reset, then the reset bit (bit 0).
351 * Clear the reset bit after a while and wait for hardware status
352 * bit (bit 1) to be set
353 */
354 pci_read_config_byte(dev->pdev, GDRST, &gdrst);
355 pci_write_config_byte(dev->pdev, GDRST, gdrst | flags | ((flags == GDRST_FULL) ? 0x1 : 0x0));
356 udelay(50);
357 pci_write_config_byte(dev->pdev, GDRST, gdrst & 0xfe);
358
359 /* ...we don't want to loop forever though, 500ms should be plenty */
360 timeout = jiffies + msecs_to_jiffies(500);
361 do {
362 udelay(100);
363 pci_read_config_byte(dev->pdev, GDRST, &gdrst);
364 } while ((gdrst & 0x1) && time_after(timeout, jiffies));
365
366 if (gdrst & 0x1) {
367 WARN(true, "i915: Failed to reset chip\n");
368 mutex_unlock(&dev->struct_mutex);
369 return -EIO;
370 }
371 } else {
372 DRM_ERROR("Error occurred. Don't know how to reset this chip.\n");
Daniel J Bluemanf953c932010-05-17 14:23:52 +0100373 mutex_unlock(&dev->struct_mutex);
Ben Gamari11ed50e2009-09-14 17:48:45 -0400374 return -ENODEV;
375 }
376
377 /* Ok, now get things going again... */
378
379 /*
380 * Everything depends on having the GTT running, so we need to start
381 * there. Fortunately we don't need to do this unless we reset the
382 * chip at a PCI level.
383 *
384 * Next we need to restore the context, but we don't use those
385 * yet either...
386 *
387 * Ring buffer needs to be re-initialized in the KMS case, or if X
388 * was running at the time of the reset (i.e. we weren't VT
389 * switched away).
390 */
391 if (drm_core_check_feature(dev, DRIVER_MODESET) ||
Zou Nan hai8187a2b2010-05-21 09:08:55 +0800392 !dev_priv->mm.suspended) {
393 struct intel_ring_buffer *ring = &dev_priv->render_ring;
Ben Gamari11ed50e2009-09-14 17:48:45 -0400394 dev_priv->mm.suspended = 0;
Zou Nan hai8187a2b2010-05-21 09:08:55 +0800395 ring->init(dev, ring);
Ben Gamari11ed50e2009-09-14 17:48:45 -0400396 mutex_unlock(&dev->struct_mutex);
397 drm_irq_uninstall(dev);
398 drm_irq_install(dev);
399 mutex_lock(&dev->struct_mutex);
400 }
401
402 /*
403 * Display needs restore too...
404 */
405 if (need_display)
406 i915_restore_display(dev);
407
408 mutex_unlock(&dev->struct_mutex);
409 return 0;
410}
411
412
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500413static int __devinit
414i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
415{
416 return drm_get_dev(pdev, ent, &driver);
417}
418
419static void
420i915_pci_remove(struct pci_dev *pdev)
421{
422 struct drm_device *dev = pci_get_drvdata(pdev);
423
424 drm_put_dev(dev);
425}
426
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100427static int i915_pm_suspend(struct device *dev)
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500428{
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100429 struct pci_dev *pdev = to_pci_dev(dev);
430 struct drm_device *drm_dev = pci_get_drvdata(pdev);
431 int error;
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500432
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100433 if (!drm_dev || !drm_dev->dev_private) {
434 dev_err(dev, "DRM not initialized, aborting suspend.\n");
435 return -ENODEV;
436 }
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500437
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100438 error = i915_drm_freeze(drm_dev);
439 if (error)
440 return error;
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500441
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100442 pci_disable_device(pdev);
443 pci_set_power_state(pdev, PCI_D3hot);
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800444
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800445 return 0;
446}
447
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100448static int i915_pm_resume(struct device *dev)
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800449{
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100450 struct pci_dev *pdev = to_pci_dev(dev);
451 struct drm_device *drm_dev = pci_get_drvdata(pdev);
452
453 return i915_resume(drm_dev);
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800454}
455
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100456static int i915_pm_freeze(struct device *dev)
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800457{
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100458 struct pci_dev *pdev = to_pci_dev(dev);
459 struct drm_device *drm_dev = pci_get_drvdata(pdev);
460
461 if (!drm_dev || !drm_dev->dev_private) {
462 dev_err(dev, "DRM not initialized, aborting suspend.\n");
463 return -ENODEV;
464 }
465
466 return i915_drm_freeze(drm_dev);
467}
468
469static int i915_pm_thaw(struct device *dev)
470{
471 struct pci_dev *pdev = to_pci_dev(dev);
472 struct drm_device *drm_dev = pci_get_drvdata(pdev);
473
474 return i915_drm_thaw(drm_dev);
475}
476
477static int i915_pm_poweroff(struct device *dev)
478{
479 struct pci_dev *pdev = to_pci_dev(dev);
480 struct drm_device *drm_dev = pci_get_drvdata(pdev);
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100481
Rafael J. Wysocki61caf872010-02-18 23:06:27 +0100482 return i915_drm_freeze(drm_dev);
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800483}
484
485const struct dev_pm_ops i915_pm_ops = {
486 .suspend = i915_pm_suspend,
487 .resume = i915_pm_resume,
488 .freeze = i915_pm_freeze,
489 .thaw = i915_pm_thaw,
490 .poweroff = i915_pm_poweroff,
Rafael J. Wysocki84b79f82010-02-07 21:48:24 +0100491 .restore = i915_pm_resume,
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800492};
493
Jesse Barnesde151cf2008-11-12 10:03:55 -0800494static struct vm_operations_struct i915_gem_vm_ops = {
495 .fault = i915_gem_fault,
Jesse Barnesab00b3e2009-02-11 14:01:46 -0800496 .open = drm_gem_vm_open,
497 .close = drm_gem_vm_close,
Jesse Barnesde151cf2008-11-12 10:03:55 -0800498};
499
Linus Torvalds1da177e2005-04-16 15:20:36 -0700500static struct drm_driver driver = {
Dave Airlie792d2b92005-11-11 23:30:27 +1100501 /* don't use mtrr's here, the Xserver or user space app should
502 * deal with them for intel hardware.
503 */
Eric Anholt673a3942008-07-30 12:06:12 -0700504 .driver_features =
505 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
506 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
Dave Airlie22eae942005-11-10 22:16:34 +1100507 .load = i915_driver_load,
Jesse Barnesba8bbcf2007-11-22 14:14:14 +1000508 .unload = i915_driver_unload,
Eric Anholt673a3942008-07-30 12:06:12 -0700509 .open = i915_driver_open,
Dave Airlie22eae942005-11-10 22:16:34 +1100510 .lastclose = i915_driver_lastclose,
511 .preclose = i915_driver_preclose,
Eric Anholt673a3942008-07-30 12:06:12 -0700512 .postclose = i915_driver_postclose,
Rafael J. Wysockid8e29202010-01-09 00:45:33 +0100513
514 /* Used in place of i915_pm_ops for non-DRIVER_MODESET */
515 .suspend = i915_suspend,
516 .resume = i915_resume,
517
Dave Airliecda17382005-07-10 17:31:26 +1000518 .device_is_agp = i915_driver_device_is_agp,
Jesse Barnes0a3e67a2008-09-30 12:14:26 -0700519 .enable_vblank = i915_enable_vblank,
520 .disable_vblank = i915_disable_vblank,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700521 .irq_preinstall = i915_driver_irq_preinstall,
522 .irq_postinstall = i915_driver_irq_postinstall,
523 .irq_uninstall = i915_driver_irq_uninstall,
524 .irq_handler = i915_driver_irq_handler,
525 .reclaim_buffers = drm_core_reclaim_buffers,
526 .get_map_ofs = drm_core_get_map_ofs,
527 .get_reg_ofs = drm_core_get_reg_ofs,
Dave Airlie7c1c2872008-11-28 14:22:24 +1000528 .master_create = i915_master_create,
529 .master_destroy = i915_master_destroy,
Ben Gamari955b12d2009-02-17 20:08:49 -0500530#if defined(CONFIG_DEBUG_FS)
Ben Gamari27c202a2009-07-01 22:26:52 -0400531 .debugfs_init = i915_debugfs_init,
532 .debugfs_cleanup = i915_debugfs_cleanup,
Ben Gamari955b12d2009-02-17 20:08:49 -0500533#endif
Eric Anholt673a3942008-07-30 12:06:12 -0700534 .gem_init_object = i915_gem_init_object,
535 .gem_free_object = i915_gem_free_object,
Jesse Barnesde151cf2008-11-12 10:03:55 -0800536 .gem_vm_ops = &i915_gem_vm_ops,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537 .ioctls = i915_ioctls,
538 .fops = {
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000539 .owner = THIS_MODULE,
540 .open = drm_open,
541 .release = drm_release,
Arnd Bergmanned8b6702009-12-16 22:17:09 +0000542 .unlocked_ioctl = drm_ioctl,
Jesse Barnesde151cf2008-11-12 10:03:55 -0800543 .mmap = drm_gem_mmap,
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000544 .poll = drm_poll,
545 .fasync = drm_fasync,
Kristian Høgsbergc9a9c5e2009-09-12 04:33:34 +1000546 .read = drm_read,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +1000547#ifdef CONFIG_COMPAT
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000548 .compat_ioctl = i915_compat_ioctl,
Dave Airlie8ca7c1d2005-07-07 21:51:26 +1000549#endif
Dave Airlie22eae942005-11-10 22:16:34 +1100550 },
551
Linus Torvalds1da177e2005-04-16 15:20:36 -0700552 .pci_driver = {
Dave Airlie22eae942005-11-10 22:16:34 +1100553 .name = DRIVER_NAME,
554 .id_table = pciidlist,
Kristian Høgsberg112b7152009-01-04 16:55:33 -0500555 .probe = i915_pci_probe,
556 .remove = i915_pci_remove,
Zhenyu Wangcbda12d2009-12-16 13:36:10 +0800557 .driver.pm = &i915_pm_ops,
Dave Airlie22eae942005-11-10 22:16:34 +1100558 },
Dave Airliebc5f4522007-11-05 12:50:58 +1000559
Dave Airlie22eae942005-11-10 22:16:34 +1100560 .name = DRIVER_NAME,
561 .desc = DRIVER_DESC,
562 .date = DRIVER_DATE,
563 .major = DRIVER_MAJOR,
564 .minor = DRIVER_MINOR,
565 .patchlevel = DRIVER_PATCHLEVEL,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700566};
567
568static int __init i915_init(void)
569{
Zhenyu Wang1f7a6e32010-02-23 14:05:24 +0800570 if (!intel_agp_enabled) {
571 DRM_ERROR("drm/i915 can't work without intel_agp module!\n");
572 return -ENODEV;
573 }
574
Linus Torvalds1da177e2005-04-16 15:20:36 -0700575 driver.num_ioctls = i915_max_ioctl;
Jesse Barnes79e53942008-11-07 14:24:08 -0800576
Chris Wilson31169712009-09-14 16:50:28 +0100577 i915_gem_shrinker_init();
578
Jesse Barnes79e53942008-11-07 14:24:08 -0800579 /*
580 * If CONFIG_DRM_I915_KMS is set, default to KMS unless
581 * explicitly disabled with the module pararmeter.
582 *
583 * Otherwise, just follow the parameter (defaulting to off).
584 *
585 * Allow optional vga_text_mode_force boot option to override
586 * the default behavior.
587 */
588#if defined(CONFIG_DRM_I915_KMS)
589 if (i915_modeset != 0)
590 driver.driver_features |= DRIVER_MODESET;
591#endif
592 if (i915_modeset == 1)
593 driver.driver_features |= DRIVER_MODESET;
594
595#ifdef CONFIG_VGA_CONSOLE
596 if (vgacon_text_force() && i915_modeset == -1)
597 driver.driver_features &= ~DRIVER_MODESET;
598#endif
599
Jesse Barnesf97108d2010-01-29 11:27:07 -0800600 if (!(driver.driver_features & DRIVER_MODESET)) {
601 driver.suspend = i915_suspend;
602 driver.resume = i915_resume;
603 }
604
Linus Torvalds1da177e2005-04-16 15:20:36 -0700605 return drm_init(&driver);
606}
607
608static void __exit i915_exit(void)
609{
Chris Wilson31169712009-09-14 16:50:28 +0100610 i915_gem_shrinker_exit();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611 drm_exit(&driver);
612}
613
614module_init(i915_init);
615module_exit(i915_exit);
616
Dave Airlieb5e89ed2005-09-25 14:28:13 +1000617MODULE_AUTHOR(DRIVER_AUTHOR);
618MODULE_DESCRIPTION(DRIVER_DESC);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619MODULE_LICENSE("GPL and additional rights");