drivers/gpu/drm/i915/i915_drv.c

   1 /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
   2  */
   3 /*
   4  *
   5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   6  * All Rights Reserved.
   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  *
  28  */
  29
  30 #include <linux/device.h>
  31 #include "drmP.h"
  32 #include "drm.h"
  33 #include "i915_drm.h"
  34 #include "i915_drv.h"
  35
  36 #include <linux/console.h>
  37 #include "drm_crtc_helper.h"
  38
  39 static int i915_modeset = -1;
  40 module_param_named(modeset, i915_modeset, int, 0400);
  41
  42 unsigned int i915_fbpercrtc = 0;
  43 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
  44
  45 unsigned int i915_powersave = 1;
  46 module_param_named(powersave, i915_powersave, int, 0400);
  47
  48 unsigned int i915_lvds_downclock = 0;
  49 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
  50
  51 static struct drm_driver driver;
  52 extern int intel_agp_enabled;
  53
  54 #define INTEL_VGA_DEVICE(id, info) {            \
  55         .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,                \
  61         .driver_data = (unsigned long) info }
  62
  63 const static struct intel_device_info intel_i830_info = {
  64         .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
  65 };
  66
  67 const static struct intel_device_info intel_845g_info = {
  68         .is_i8xx = 1,
  69 };
  70
  71 const static struct intel_device_info intel_i85x_info = {
  72         .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
  73 };
  74
  75 const static struct intel_device_info intel_i865g_info = {
  76         .is_i8xx = 1,
  77 };
  78
  79 const static struct intel_device_info intel_i915g_info = {
  80         .is_i915g = 1, .is_i9xx = 1, .cursor_needs_physical = 1,
  81 };
  82 const static struct intel_device_info intel_i915gm_info = {
  83         .is_i9xx = 1,  .is_mobile = 1, .has_fbc = 1,
  84         .cursor_needs_physical = 1,
  85 };
  86 const static struct intel_device_info intel_i945g_info = {
  87         .is_i9xx = 1, .has_hotplug = 1, .cursor_needs_physical = 1,
  88 };
  89 const static struct intel_device_info intel_i945gm_info = {
  90         .is_i945gm = 1, .is_i9xx = 1, .is_mobile = 1, .has_fbc = 1,
  91         .has_hotplug = 1, .cursor_needs_physical = 1,
  92 };
  93
  94 const static struct intel_device_info intel_i965g_info = {
  95         .is_i965g = 1, .is_i9xx = 1, .has_hotplug = 1,
  96 };
  97
  98 const static struct intel_device_info intel_i965gm_info = {
  99         .is_i965g = 1, .is_mobile = 1, .is_i965gm = 1, .is_i9xx = 1,
 100         .is_mobile = 1, .has_fbc = 1, .has_rc6 = 1,
 101         .has_hotplug = 1,
 102 };
 103
 104 const static struct intel_device_info intel_g33_info = {
 105         .is_g33 = 1, .is_i9xx = 1, .need_gfx_hws = 1,
 106         .has_hotplug = 1,
 107 };
 108
 109 const static struct intel_device_info intel_g45_info = {
 110         .is_i965g = 1, .is_g4x = 1, .is_i9xx = 1, .need_gfx_hws = 1,
 111         .has_pipe_cxsr = 1,
 112         .has_hotplug = 1,
 113 };
 114
 115 const static struct intel_device_info intel_gm45_info = {
 116         .is_i965g = 1, .is_mobile = 1, .is_g4x = 1, .is_i9xx = 1,
 117         .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1,
 118         .has_pipe_cxsr = 1,
 119         .has_hotplug = 1,
 120 };
 121
 122 const static struct intel_device_info intel_pineview_info = {
 123         .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .is_i9xx = 1,
 124         .need_gfx_hws = 1,
 125         .has_hotplug = 1,
 126 };
 127
 128 const static struct intel_device_info intel_ironlake_d_info = {
 129         .is_ironlake = 1, .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
 130         .has_pipe_cxsr = 1,
 131         .has_hotplug = 1,
 132 };
 133
 134 const static struct intel_device_info intel_ironlake_m_info = {
 135         .is_ironlake = 1, .is_mobile = 1, .is_i965g = 1, .is_i9xx = 1,
 136         .need_gfx_hws = 1, .has_rc6 = 1,
 137         .has_hotplug = 1,
 138 };
 139
 140 const static struct intel_device_info intel_sandybridge_d_info = {
 141         .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
 142         .has_hotplug = 1, .is_gen6 = 1,
 143 };
 144
 145 const static struct intel_device_info intel_sandybridge_m_info = {
 146         .is_i965g = 1, .is_mobile = 1, .is_i9xx = 1, .need_gfx_hws = 1,
 147         .has_hotplug = 1, .is_gen6 = 1,
 148 };
 149
 150 const static struct pci_device_id pciidlist[] = {
 151         INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
 152         INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
 153         INTEL_VGA_DEVICE(0x3582, &intel_i85x_info),
 154         INTEL_VGA_DEVICE(0x35e8, &intel_i85x_info),
 155         INTEL_VGA_DEVICE(0x2572, &intel_i865g_info),
 156         INTEL_VGA_DEVICE(0x2582, &intel_i915g_info),
 157         INTEL_VGA_DEVICE(0x258a, &intel_i915g_info),
 158         INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info),
 159         INTEL_VGA_DEVICE(0x2772, &intel_i945g_info),
 160         INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info),
 161         INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info),
 162         INTEL_VGA_DEVICE(0x2972, &intel_i965g_info),
 163         INTEL_VGA_DEVICE(0x2982, &intel_i965g_info),
 164         INTEL_VGA_DEVICE(0x2992, &intel_i965g_info),
 165         INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info),
 166         INTEL_VGA_DEVICE(0x29b2, &intel_g33_info),
 167         INTEL_VGA_DEVICE(0x29c2, &intel_g33_info),
 168         INTEL_VGA_DEVICE(0x29d2, &intel_g33_info),
 169         INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info),
 170         INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info),
 171         INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info),
 172         INTEL_VGA_DEVICE(0x2e02, &intel_g45_info),
 173         INTEL_VGA_DEVICE(0x2e12, &intel_g45_info),
 174         INTEL_VGA_DEVICE(0x2e22, &intel_g45_info),
 175         INTEL_VGA_DEVICE(0x2e32, &intel_g45_info),
 176         INTEL_VGA_DEVICE(0x2e42, &intel_g45_info),
 177         INTEL_VGA_DEVICE(0xa001, &intel_pineview_info),
 178         INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
 179         INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
 180         INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
 181         INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
 182         INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),
 183         {0, 0, 0}
 184 };
 185
 186 #if defined(CONFIG_DRM_I915_KMS)
 187 MODULE_DEVICE_TABLE(pci, pciidlist);
 188 #endif
 189
 190 static int i915_drm_freeze(struct drm_device *dev)
 191 {
 192         struct drm_i915_private *dev_priv = dev->dev_private;
 193
 194         pci_save_state(dev->pdev);
 195
 196         /* If KMS is active, we do the leavevt stuff here */
 197         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
 198                 int error = i915_gem_idle(dev);
 199                 if (error) {
 200                         dev_err(&dev->pdev->dev,
 201                                 "GEM idle failed, resume might fail\n");
 202                         return error;
 203                 }
 204                 drm_irq_uninstall(dev);
 205         }
 206
 207         i915_save_state(dev);
 208
 209         intel_opregion_free(dev, 1);
 210
 211         /* Modeset on resume, not lid events */
 212         dev_priv->modeset_on_lid = 0;
 213
 214         return 0;
 215 }
 216
 217 int i915_suspend(struct drm_device *dev, pm_message_t state)
 218 {
 219         int error;
 220
 221         if (!dev || !dev->dev_private) {
 222                 DRM_ERROR("dev: %p\n", dev);
 223                 DRM_ERROR("DRM not initialized, aborting suspend.\n");
 224                 return -ENODEV;
 225         }
 226
 227         if (state.event == PM_EVENT_PRETHAW)
 228                 return 0;
 229
 230         error = i915_drm_freeze(dev);
 231         if (error)
 232                 return error;
 233
 234         if (state.event == PM_EVENT_SUSPEND) {
 235                 /* Shut down the device */
 236                 pci_disable_device(dev->pdev);
 237                 pci_set_power_state(dev->pdev, PCI_D3hot);
 238         }
 239
 240         return 0;
 241 }
 242
 243 static int i915_drm_thaw(struct drm_device *dev)
 244 {
 245         struct drm_i915_private *dev_priv = dev->dev_private;
 246         int error = 0;
 247
 248         i915_restore_state(dev);
 249
 250         intel_opregion_init(dev, 1);
 251
 252         /* KMS EnterVT equivalent */
 253         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
 254                 mutex_lock(&dev->struct_mutex);
 255                 dev_priv->mm.suspended = 0;
 256
 257                 error = i915_gem_init_ringbuffer(dev);
 258                 mutex_unlock(&dev->struct_mutex);
 259
 260                 drm_irq_install(dev);
 261
 262                 /* Resume the modeset for every activated CRTC */
 263                 drm_helper_resume_force_mode(dev);
 264         }
 265
 266         dev_priv->modeset_on_lid = 0;
 267
 268         return error;
 269 }
 270
 271 int i915_resume(struct drm_device *dev)
 272 {
 273         if (pci_enable_device(dev->pdev))
 274                 return -EIO;
 275
 276         pci_set_master(dev->pdev);
 277
 278         return i915_drm_thaw(dev);
 279 }
 280
 281 /**
 282  * i965_reset - reset chip after a hang
 283  * @dev: drm device to reset
 284  * @flags: reset domains
 285  *
 286  * Reset the chip.  Useful if a hang is detected. Returns zero on successful
 287  * reset or otherwise an error code.
 288  *
 289  * Procedure is fairly simple:
 290  *   - reset the chip using the reset reg
 291  *   - re-init context state
 292  *   - re-init hardware status page
 293  *   - re-init ring buffer
 294  *   - re-init interrupt state
 295  *   - re-init display
 296  */
 297 int i965_reset(struct drm_device *dev, u8 flags)
 298 {
 299         drm_i915_private_t *dev_priv = dev->dev_private;
 300         unsigned long timeout;
 301         u8 gdrst;
 302         /*
 303          * We really should only reset the display subsystem if we actually
 304          * need to
 305          */
 306         bool need_display = true;
 307
 308         mutex_lock(&dev->struct_mutex);
 309
 310         /*
 311          * Clear request list
 312          */
 313         i915_gem_retire_requests(dev);
 314
 315         if (need_display)
 316                 i915_save_display(dev);
 317
 318         if (IS_I965G(dev) || IS_G4X(dev)) {
 319                 /*
 320                  * Set the domains we want to reset, then the reset bit (bit 0).
 321                  * Clear the reset bit after a while and wait for hardware status
 322                  * bit (bit 1) to be set
 323                  */
 324                 pci_read_config_byte(dev->pdev, GDRST, &gdrst);
 325                 pci_write_config_byte(dev->pdev, GDRST, gdrst | flags | ((flags == GDRST_FULL) ? 0x1 : 0x0));
 326                 udelay(50);
 327                 pci_write_config_byte(dev->pdev, GDRST, gdrst & 0xfe);
 328
 329                 /* ...we don't want to loop forever though, 500ms should be plenty */
 330                timeout = jiffies + msecs_to_jiffies(500);
 331                 do {
 332                         udelay(100);
 333                         pci_read_config_byte(dev->pdev, GDRST, &gdrst);
 334                 } while ((gdrst & 0x1) && time_after(timeout, jiffies));
 335
 336                 if (gdrst & 0x1) {
 337                         WARN(true, "i915: Failed to reset chip\n");
 338                         mutex_unlock(&dev->struct_mutex);
 339                         return -EIO;
 340                 }
 341         } else {
 342                 DRM_ERROR("Error occurred. Don't know how to reset this chip.\n");
 343                 return -ENODEV;
 344         }
 345
 346         /* Ok, now get things going again... */
 347
 348         /*
 349          * Everything depends on having the GTT running, so we need to start
 350          * there.  Fortunately we don't need to do this unless we reset the
 351          * chip at a PCI level.
 352          *
 353          * Next we need to restore the context, but we don't use those
 354          * yet either...
 355          *
 356          * Ring buffer needs to be re-initialized in the KMS case, or if X
 357          * was running at the time of the reset (i.e. we weren't VT
 358          * switched away).
 359          */
 360         if (drm_core_check_feature(dev, DRIVER_MODESET) ||
 361             !dev_priv->mm.suspended) {
 362                 drm_i915_ring_buffer_t *ring = &dev_priv->ring;
 363                 struct drm_gem_object *obj = ring->ring_obj;
 364                 struct drm_i915_gem_object *obj_priv = obj->driver_private;
 365                 dev_priv->mm.suspended = 0;
 366
 367                 /* Stop the ring if it's running. */
 368                 I915_WRITE(PRB0_CTL, 0);
 369                 I915_WRITE(PRB0_TAIL, 0);
 370                 I915_WRITE(PRB0_HEAD, 0);
 371
 372                 /* Initialize the ring. */
 373                 I915_WRITE(PRB0_START, obj_priv->gtt_offset);
 374                 I915_WRITE(PRB0_CTL,
 375                            ((obj->size - 4096) & RING_NR_PAGES) |
 376                            RING_NO_REPORT |
 377                            RING_VALID);
 378                 if (!drm_core_check_feature(dev, DRIVER_MODESET))
 379                         i915_kernel_lost_context(dev);
 380                 else {
 381                         ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
 382                         ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
 383                         ring->space = ring->head - (ring->tail + 8);
 384                         if (ring->space < 0)
 385                                 ring->space += ring->Size;
 386                 }
 387
 388                 mutex_unlock(&dev->struct_mutex);
 389                 drm_irq_uninstall(dev);
 390                 drm_irq_install(dev);
 391                 mutex_lock(&dev->struct_mutex);
 392         }
 393
 394         /*
 395          * Display needs restore too...
 396          */
 397         if (need_display)
 398                 i915_restore_display(dev);
 399
 400         mutex_unlock(&dev->struct_mutex);
 401         return 0;
 402 }
 403
 404
 405 static int __devinit
 406 i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 407 {
 408         return drm_get_dev(pdev, ent, &driver);
 409 }
 410
 411 static void
 412 i915_pci_remove(struct pci_dev *pdev)
 413 {
 414         struct drm_device *dev = pci_get_drvdata(pdev);
 415
 416         drm_put_dev(dev);
 417 }
 418
 419 static int i915_pm_suspend(struct device *dev)
 420 {
 421         struct pci_dev *pdev = to_pci_dev(dev);
 422         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 423         int error;
 424
 425         if (!drm_dev || !drm_dev->dev_private) {
 426                 dev_err(dev, "DRM not initialized, aborting suspend.\n");
 427                 return -ENODEV;
 428         }
 429
 430         error = i915_drm_freeze(drm_dev);
 431         if (error)
 432                 return error;
 433
 434         pci_disable_device(pdev);
 435         pci_set_power_state(pdev, PCI_D3hot);
 436
 437         return 0;
 438 }
 439
 440 static int i915_pm_resume(struct device *dev)
 441 {
 442         struct pci_dev *pdev = to_pci_dev(dev);
 443         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 444
 445         return i915_resume(drm_dev);
 446 }
 447
 448 static int i915_pm_freeze(struct device *dev)
 449 {
 450         struct pci_dev *pdev = to_pci_dev(dev);
 451         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 452
 453         if (!drm_dev || !drm_dev->dev_private) {
 454                 dev_err(dev, "DRM not initialized, aborting suspend.\n");
 455                 return -ENODEV;
 456         }
 457
 458         return i915_drm_freeze(drm_dev);
 459 }
 460
 461 static int i915_pm_thaw(struct device *dev)
 462 {
 463         struct pci_dev *pdev = to_pci_dev(dev);
 464         struct drm_device *drm_dev = pci_get_drvdata(pdev);
 465
 466         return i915_drm_thaw(drm_dev);
 467 }
 468
 469 static int i915_pm_poweroff(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_freeze(drm_dev);
 475 }
 476
 477 const struct dev_pm_ops i915_pm_ops = {
 478      .suspend = i915_pm_suspend,
 479      .resume = i915_pm_resume,
 480      .freeze = i915_pm_freeze,
 481      .thaw = i915_pm_thaw,
 482      .poweroff = i915_pm_poweroff,
 483      .restore = i915_pm_resume,
 484 };
 485
 486 static struct vm_operations_struct i915_gem_vm_ops = {
 487         .fault = i915_gem_fault,
 488         .open = drm_gem_vm_open,
 489         .close = drm_gem_vm_close,
 490 };
 491
 492 static struct drm_driver driver = {
 493         /* don't use mtrr's here, the Xserver or user space app should
 494          * deal with them for intel hardware.
 495          */
 496         .driver_features =
 497             DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
 498             DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
 499         .load = i915_driver_load,
 500         .unload = i915_driver_unload,
 501         .open = i915_driver_open,
 502         .lastclose = i915_driver_lastclose,
 503         .preclose = i915_driver_preclose,
 504         .postclose = i915_driver_postclose,
 505
 506         /* Used in place of i915_pm_ops for non-DRIVER_MODESET */
 507         .suspend = i915_suspend,
 508         .resume = i915_resume,
 509
 510         .device_is_agp = i915_driver_device_is_agp,
 511         .enable_vblank = i915_enable_vblank,
 512         .disable_vblank = i915_disable_vblank,
 513         .irq_preinstall = i915_driver_irq_preinstall,
 514         .irq_postinstall = i915_driver_irq_postinstall,
 515         .irq_uninstall = i915_driver_irq_uninstall,
 516         .irq_handler = i915_driver_irq_handler,
 517         .reclaim_buffers = drm_core_reclaim_buffers,
 518         .get_map_ofs = drm_core_get_map_ofs,
 519         .get_reg_ofs = drm_core_get_reg_ofs,
 520         .master_create = i915_master_create,
 521         .master_destroy = i915_master_destroy,
 522 #if defined(CONFIG_DEBUG_FS)
 523         .debugfs_init = i915_debugfs_init,
 524         .debugfs_cleanup = i915_debugfs_cleanup,
 525 #endif
 526         .gem_init_object = i915_gem_init_object,
 527         .gem_free_object = i915_gem_free_object,
 528         .gem_vm_ops = &i915_gem_vm_ops,
 529         .ioctls = i915_ioctls,
 530         .fops = {
 531                  .owner = THIS_MODULE,
 532                  .open = drm_open,
 533                  .release = drm_release,
 534                  .unlocked_ioctl = drm_ioctl,
 535                  .mmap = drm_gem_mmap,
 536                  .poll = drm_poll,
 537                  .fasync = drm_fasync,
 538                  .read = drm_read,
 539 #ifdef CONFIG_COMPAT
 540                  .compat_ioctl = i915_compat_ioctl,
 541 #endif
 542         },
 543
 544         .pci_driver = {
 545                  .name = DRIVER_NAME,
 546                  .id_table = pciidlist,
 547                  .probe = i915_pci_probe,
 548                  .remove = i915_pci_remove,
 549                  .driver.pm = &i915_pm_ops,
 550         },
 551
 552         .name = DRIVER_NAME,
 553         .desc = DRIVER_DESC,
 554         .date = DRIVER_DATE,
 555         .major = DRIVER_MAJOR,
 556         .minor = DRIVER_MINOR,
 557         .patchlevel = DRIVER_PATCHLEVEL,
 558 };
 559
 560 static int __init i915_init(void)
 561 {
 562         if (!intel_agp_enabled) {
 563                 DRM_ERROR("drm/i915 can't work without intel_agp module!\n");
 564                 return -ENODEV;
 565         }
 566
 567         driver.num_ioctls = i915_max_ioctl;
 568
 569         i915_gem_shrinker_init();
 570
 571         /*
 572          * If CONFIG_DRM_I915_KMS is set, default to KMS unless
 573          * explicitly disabled with the module pararmeter.
 574          *
 575          * Otherwise, just follow the parameter (defaulting to off).
 576          *
 577          * Allow optional vga_text_mode_force boot option to override
 578          * the default behavior.
 579          */
 580 #if defined(CONFIG_DRM_I915_KMS)
 581         if (i915_modeset != 0)
 582                 driver.driver_features |= DRIVER_MODESET;
 583 #endif
 584         if (i915_modeset == 1)
 585                 driver.driver_features |= DRIVER_MODESET;
 586
 587 #ifdef CONFIG_VGA_CONSOLE
 588         if (vgacon_text_force() && i915_modeset == -1)
 589                 driver.driver_features &= ~DRIVER_MODESET;
 590 #endif
 591
 592         if (!(driver.driver_features & DRIVER_MODESET)) {
 593                 driver.suspend = i915_suspend;
 594                 driver.resume = i915_resume;
 595         }
 596
 597         return drm_init(&driver);
 598 }
 599
 600 static void __exit i915_exit(void)
 601 {
 602         i915_gem_shrinker_exit();
 603         drm_exit(&driver);
 604 }
 605
 606 module_init(i915_init);
 607 module_exit(i915_exit);
 608
 609 MODULE_AUTHOR(DRIVER_AUTHOR);
 610 MODULE_DESCRIPTION(DRIVER_DESC);
 611 MODULE_LICENSE("GPL and additional rights");