drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

   1 /**************************************************************************
   2  *
   3  * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  21  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27 #include <linux/module.h>
  28
  29 #include "drmP.h"
  30 #include "vmwgfx_drv.h"
  31 #include "ttm/ttm_placement.h"
  32 #include "ttm/ttm_bo_driver.h"
  33 #include "ttm/ttm_object.h"
  34 #include "ttm/ttm_module.h"
  35
  36 #define VMWGFX_DRIVER_NAME "vmwgfx"
  37 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
  38 #define VMWGFX_CHIP_SVGAII 0
  39 #define VMW_FB_RESERVATION 0
  40
  41 /**
  42  * Fully encoded drm commands. Might move to vmw_drm.h
  43  */
  44
  45 #define DRM_IOCTL_VMW_GET_PARAM                                 \
  46         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM,          \
  47                  struct drm_vmw_getparam_arg)
  48 #define DRM_IOCTL_VMW_ALLOC_DMABUF                              \
  49         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF,       \
  50                 union drm_vmw_alloc_dmabuf_arg)
  51 #define DRM_IOCTL_VMW_UNREF_DMABUF                              \
  52         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF,        \
  53                 struct drm_vmw_unref_dmabuf_arg)
  54 #define DRM_IOCTL_VMW_CURSOR_BYPASS                             \
  55         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS,       \
  56                  struct drm_vmw_cursor_bypass_arg)
  57
  58 #define DRM_IOCTL_VMW_CONTROL_STREAM                            \
  59         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM,      \
  60                  struct drm_vmw_control_stream_arg)
  61 #define DRM_IOCTL_VMW_CLAIM_STREAM                              \
  62         DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM,        \
  63                  struct drm_vmw_stream_arg)
  64 #define DRM_IOCTL_VMW_UNREF_STREAM                              \
  65         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM,        \
  66                  struct drm_vmw_stream_arg)
  67
  68 #define DRM_IOCTL_VMW_CREATE_CONTEXT                            \
  69         DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT,      \
  70                 struct drm_vmw_context_arg)
  71 #define DRM_IOCTL_VMW_UNREF_CONTEXT                             \
  72         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT,       \
  73                 struct drm_vmw_context_arg)
  74 #define DRM_IOCTL_VMW_CREATE_SURFACE                            \
  75         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE,     \
  76                  union drm_vmw_surface_create_arg)
  77 #define DRM_IOCTL_VMW_UNREF_SURFACE                             \
  78         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE,       \
  79                  struct drm_vmw_surface_arg)
  80 #define DRM_IOCTL_VMW_REF_SURFACE                               \
  81         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE,        \
  82                  union drm_vmw_surface_reference_arg)
  83 #define DRM_IOCTL_VMW_EXECBUF                                   \
  84         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF,             \
  85                 struct drm_vmw_execbuf_arg)
  86 #define DRM_IOCTL_VMW_GET_3D_CAP                                \
  87         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP,          \
  88                  struct drm_vmw_get_3d_cap_arg)
  89 #define DRM_IOCTL_VMW_FENCE_WAIT                                \
  90         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT,         \
  91                  struct drm_vmw_fence_wait_arg)
  92 #define DRM_IOCTL_VMW_FENCE_SIGNALED                            \
  93         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED,     \
  94                  struct drm_vmw_fence_signaled_arg)
  95 #define DRM_IOCTL_VMW_FENCE_UNREF                               \
  96         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF,         \
  97                  struct drm_vmw_fence_arg)
  98 #define DRM_IOCTL_VMW_FENCE_EVENT                               \
  99         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT,         \
 100                  struct drm_vmw_fence_event_arg)
 101 #define DRM_IOCTL_VMW_PRESENT                                   \
 102         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT,             \
 103                  struct drm_vmw_present_arg)
 104 #define DRM_IOCTL_VMW_PRESENT_READBACK                          \
 105         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK,    \
 106                  struct drm_vmw_present_readback_arg)
 107 #define DRM_IOCTL_VMW_UPDATE_LAYOUT                             \
 108         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT,       \
 109                  struct drm_vmw_update_layout_arg)
 110
 111 /**
 112  * The core DRM version of this macro doesn't account for
 113  * DRM_COMMAND_BASE.
 114  */
 115
 116 #define VMW_IOCTL_DEF(ioctl, func, flags) \
 117   [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
 118
 119 /**
 120  * Ioctl definitions.
 121  */
 122
 123 static struct drm_ioctl_desc vmw_ioctls[] = {
 124         VMW_IOCTL_DEF(VMW_GET_PARAM, vmw_getparam_ioctl,
 125                       DRM_AUTH | DRM_UNLOCKED),
 126         VMW_IOCTL_DEF(VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
 127                       DRM_AUTH | DRM_UNLOCKED),
 128         VMW_IOCTL_DEF(VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
 129                       DRM_AUTH | DRM_UNLOCKED),
 130         VMW_IOCTL_DEF(VMW_CURSOR_BYPASS,
 131                       vmw_kms_cursor_bypass_ioctl,
 132                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 133
 134         VMW_IOCTL_DEF(VMW_CONTROL_STREAM, vmw_overlay_ioctl,
 135                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 136         VMW_IOCTL_DEF(VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
 137                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 138         VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
 139                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 140
 141         VMW_IOCTL_DEF(VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
 142                       DRM_AUTH | DRM_UNLOCKED),
 143         VMW_IOCTL_DEF(VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
 144                       DRM_AUTH | DRM_UNLOCKED),
 145         VMW_IOCTL_DEF(VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
 146                       DRM_AUTH | DRM_UNLOCKED),
 147         VMW_IOCTL_DEF(VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
 148                       DRM_AUTH | DRM_UNLOCKED),
 149         VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl,
 150                       DRM_AUTH | DRM_UNLOCKED),
 151         VMW_IOCTL_DEF(VMW_EXECBUF, vmw_execbuf_ioctl,
 152                       DRM_AUTH | DRM_UNLOCKED),
 153         VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl,
 154                       DRM_AUTH | DRM_UNLOCKED),
 155         VMW_IOCTL_DEF(VMW_FENCE_SIGNALED,
 156                       vmw_fence_obj_signaled_ioctl,
 157                       DRM_AUTH | DRM_UNLOCKED),
 158         VMW_IOCTL_DEF(VMW_FENCE_UNREF, vmw_fence_obj_unref_ioctl,
 159                       DRM_AUTH | DRM_UNLOCKED),
 160         VMW_IOCTL_DEF(VMW_FENCE_EVENT,
 161                       vmw_fence_event_ioctl,
 162                       DRM_AUTH | DRM_UNLOCKED),
 163         VMW_IOCTL_DEF(VMW_GET_3D_CAP, vmw_get_cap_3d_ioctl,
 164                       DRM_AUTH | DRM_UNLOCKED),
 165
 166         /* these allow direct access to the framebuffers mark as master only */
 167         VMW_IOCTL_DEF(VMW_PRESENT, vmw_present_ioctl,
 168                       DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
 169         VMW_IOCTL_DEF(VMW_PRESENT_READBACK,
 170                       vmw_present_readback_ioctl,
 171                       DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
 172         VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT,
 173                       vmw_kms_update_layout_ioctl,
 174                       DRM_MASTER | DRM_UNLOCKED),
 175 };
 176
 177 static struct pci_device_id vmw_pci_id_list[] = {
 178         {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
 179         {0, 0, 0}
 180 };
 181
 182 static int enable_fbdev;
 183
 184 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
 185 static void vmw_master_init(struct vmw_master *);
 186 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 187                               void *ptr);
 188
 189 MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
 190 module_param_named(enable_fbdev, enable_fbdev, int, 0600);
 191
 192 static void vmw_print_capabilities(uint32_t capabilities)
 193 {
 194         DRM_INFO("Capabilities:\n");
 195         if (capabilities & SVGA_CAP_RECT_COPY)
 196                 DRM_INFO("  Rect copy.\n");
 197         if (capabilities & SVGA_CAP_CURSOR)
 198                 DRM_INFO("  Cursor.\n");
 199         if (capabilities & SVGA_CAP_CURSOR_BYPASS)
 200                 DRM_INFO("  Cursor bypass.\n");
 201         if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
 202                 DRM_INFO("  Cursor bypass 2.\n");
 203         if (capabilities & SVGA_CAP_8BIT_EMULATION)
 204                 DRM_INFO("  8bit emulation.\n");
 205         if (capabilities & SVGA_CAP_ALPHA_CURSOR)
 206                 DRM_INFO("  Alpha cursor.\n");
 207         if (capabilities & SVGA_CAP_3D)
 208                 DRM_INFO("  3D.\n");
 209         if (capabilities & SVGA_CAP_EXTENDED_FIFO)
 210                 DRM_INFO("  Extended Fifo.\n");
 211         if (capabilities & SVGA_CAP_MULTIMON)
 212                 DRM_INFO("  Multimon.\n");
 213         if (capabilities & SVGA_CAP_PITCHLOCK)
 214                 DRM_INFO("  Pitchlock.\n");
 215         if (capabilities & SVGA_CAP_IRQMASK)
 216                 DRM_INFO("  Irq mask.\n");
 217         if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
 218                 DRM_INFO("  Display Topology.\n");
 219         if (capabilities & SVGA_CAP_GMR)
 220                 DRM_INFO("  GMR.\n");
 221         if (capabilities & SVGA_CAP_TRACES)
 222                 DRM_INFO("  Traces.\n");
 223         if (capabilities & SVGA_CAP_GMR2)
 224                 DRM_INFO("  GMR2.\n");
 225         if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
 226                 DRM_INFO("  Screen Object 2.\n");
 227 }
 228
 229
 230 /**
 231  * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
 232  * the start of a buffer object.
 233  *
 234  * @dev_priv: The device private structure.
 235  *
 236  * This function will idle the buffer using an uninterruptible wait, then
 237  * map the first page and initialize a pending occlusion query result structure,
 238  * Finally it will unmap the buffer.
 239  *
 240  * TODO: Since we're only mapping a single page, we should optimize the map
 241  * to use kmap_atomic / iomap_atomic.
 242  */
 243 static void vmw_dummy_query_bo_prepare(struct vmw_private *dev_priv)
 244 {
 245         struct ttm_bo_kmap_obj map;
 246         volatile SVGA3dQueryResult *result;
 247         bool dummy;
 248         int ret;
 249         struct ttm_bo_device *bdev = &dev_priv->bdev;
 250         struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
 251
 252         ttm_bo_reserve(bo, false, false, false, 0);
 253         spin_lock(&bdev->fence_lock);
 254         ret = ttm_bo_wait(bo, false, false, false);
 255         spin_unlock(&bdev->fence_lock);
 256         if (unlikely(ret != 0))
 257                 (void) vmw_fallback_wait(dev_priv, false, true, 0, false,
 258                                          10*HZ);
 259
 260         ret = ttm_bo_kmap(bo, 0, 1, &map);
 261         if (likely(ret == 0)) {
 262                 result = ttm_kmap_obj_virtual(&map, &dummy);
 263                 result->totalSize = sizeof(*result);
 264                 result->state = SVGA3D_QUERYSTATE_PENDING;
 265                 result->result32 = 0xff;
 266                 ttm_bo_kunmap(&map);
 267         } else
 268                 DRM_ERROR("Dummy query buffer map failed.\n");
 269         ttm_bo_unreserve(bo);
 270 }
 271
 272
 273 /**
 274  * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
 275  *
 276  * @dev_priv: A device private structure.
 277  *
 278  * This function creates a small buffer object that holds the query
 279  * result for dummy queries emitted as query barriers.
 280  * No interruptible waits are done within this function.
 281  *
 282  * Returns an error if bo creation fails.
 283  */
 284 static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
 285 {
 286         return ttm_bo_create(&dev_priv->bdev,
 287                              PAGE_SIZE,
 288                              ttm_bo_type_device,
 289                              &vmw_vram_sys_placement,
 290                              0, 0, false, NULL,
 291                              &dev_priv->dummy_query_bo);
 292 }
 293
 294
 295 static int vmw_request_device(struct vmw_private *dev_priv)
 296 {
 297         int ret;
 298
 299         ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
 300         if (unlikely(ret != 0)) {
 301                 DRM_ERROR("Unable to initialize FIFO.\n");
 302                 return ret;
 303         }
 304         vmw_fence_fifo_up(dev_priv->fman);
 305         ret = vmw_dummy_query_bo_create(dev_priv);
 306         if (unlikely(ret != 0))
 307                 goto out_no_query_bo;
 308         vmw_dummy_query_bo_prepare(dev_priv);
 309
 310         return 0;
 311
 312 out_no_query_bo:
 313         vmw_fence_fifo_down(dev_priv->fman);
 314         vmw_fifo_release(dev_priv, &dev_priv->fifo);
 315         return ret;
 316 }
 317
 318 static void vmw_release_device(struct vmw_private *dev_priv)
 319 {
 320         /*
 321          * Previous destructions should've released
 322          * the pinned bo.
 323          */
 324
 325         BUG_ON(dev_priv->pinned_bo != NULL);
 326
 327         ttm_bo_unref(&dev_priv->dummy_query_bo);
 328         vmw_fence_fifo_down(dev_priv->fman);
 329         vmw_fifo_release(dev_priv, &dev_priv->fifo);
 330 }
 331
 332 /**
 333  * Increase the 3d resource refcount.
 334  * If the count was prevously zero, initialize the fifo, switching to svga
 335  * mode. Note that the master holds a ref as well, and may request an
 336  * explicit switch to svga mode if fb is not running, using @unhide_svga.
 337  */
 338 int vmw_3d_resource_inc(struct vmw_private *dev_priv,
 339                         bool unhide_svga)
 340 {
 341         int ret = 0;
 342
 343         mutex_lock(&dev_priv->release_mutex);
 344         if (unlikely(dev_priv->num_3d_resources++ == 0)) {
 345                 ret = vmw_request_device(dev_priv);
 346                 if (unlikely(ret != 0))
 347                         --dev_priv->num_3d_resources;
 348         } else if (unhide_svga) {
 349                 mutex_lock(&dev_priv->hw_mutex);
 350                 vmw_write(dev_priv, SVGA_REG_ENABLE,
 351                           vmw_read(dev_priv, SVGA_REG_ENABLE) &
 352                           ~SVGA_REG_ENABLE_HIDE);
 353                 mutex_unlock(&dev_priv->hw_mutex);
 354         }
 355
 356         mutex_unlock(&dev_priv->release_mutex);
 357         return ret;
 358 }
 359
 360 /**
 361  * Decrease the 3d resource refcount.
 362  * If the count reaches zero, disable the fifo, switching to vga mode.
 363  * Note that the master holds a refcount as well, and may request an
 364  * explicit switch to vga mode when it releases its refcount to account
 365  * for the situation of an X server vt switch to VGA with 3d resources
 366  * active.
 367  */
 368 void vmw_3d_resource_dec(struct vmw_private *dev_priv,
 369                          bool hide_svga)
 370 {
 371         int32_t n3d;
 372
 373         mutex_lock(&dev_priv->release_mutex);
 374         if (unlikely(--dev_priv->num_3d_resources == 0))
 375                 vmw_release_device(dev_priv);
 376         else if (hide_svga) {
 377                 mutex_lock(&dev_priv->hw_mutex);
 378                 vmw_write(dev_priv, SVGA_REG_ENABLE,
 379                           vmw_read(dev_priv, SVGA_REG_ENABLE) |
 380                           SVGA_REG_ENABLE_HIDE);
 381                 mutex_unlock(&dev_priv->hw_mutex);
 382         }
 383
 384         n3d = (int32_t) dev_priv->num_3d_resources;
 385         mutex_unlock(&dev_priv->release_mutex);
 386
 387         BUG_ON(n3d < 0);
 388 }
 389
 390 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 391 {
 392         struct vmw_private *dev_priv;
 393         int ret;
 394         uint32_t svga_id;
 395
 396         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 397         if (unlikely(dev_priv == NULL)) {
 398                 DRM_ERROR("Failed allocating a device private struct.\n");
 399                 return -ENOMEM;
 400         }
 401         memset(dev_priv, 0, sizeof(*dev_priv));
 402
 403         dev_priv->dev = dev;
 404         dev_priv->vmw_chipset = chipset;
 405         dev_priv->last_read_seqno = (uint32_t) -100;
 406         mutex_init(&dev_priv->hw_mutex);
 407         mutex_init(&dev_priv->cmdbuf_mutex);
 408         mutex_init(&dev_priv->release_mutex);
 409         rwlock_init(&dev_priv->resource_lock);
 410         idr_init(&dev_priv->context_idr);
 411         idr_init(&dev_priv->surface_idr);
 412         idr_init(&dev_priv->stream_idr);
 413         mutex_init(&dev_priv->init_mutex);
 414         init_waitqueue_head(&dev_priv->fence_queue);
 415         init_waitqueue_head(&dev_priv->fifo_queue);
 416         dev_priv->fence_queue_waiters = 0;
 417         atomic_set(&dev_priv->fifo_queue_waiters, 0);
 418         INIT_LIST_HEAD(&dev_priv->surface_lru);
 419         dev_priv->used_memory_size = 0;
 420
 421         dev_priv->io_start = pci_resource_start(dev->pdev, 0);
 422         dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
 423         dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
 424
 425         dev_priv->enable_fb = enable_fbdev;
 426
 427         mutex_lock(&dev_priv->hw_mutex);
 428
 429         vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
 430         svga_id = vmw_read(dev_priv, SVGA_REG_ID);
 431         if (svga_id != SVGA_ID_2) {
 432                 ret = -ENOSYS;
 433                 DRM_ERROR("Unsuported SVGA ID 0x%x\n", svga_id);
 434                 mutex_unlock(&dev_priv->hw_mutex);
 435                 goto out_err0;
 436         }
 437
 438         dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
 439
 440         dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
 441         dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
 442         dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
 443         dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
 444         if (dev_priv->capabilities & SVGA_CAP_GMR) {
 445                 dev_priv->max_gmr_descriptors =
 446                         vmw_read(dev_priv,
 447                                  SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH);
 448                 dev_priv->max_gmr_ids =
 449                         vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
 450         }
 451         if (dev_priv->capabilities & SVGA_CAP_GMR2) {
 452                 dev_priv->max_gmr_pages =
 453                         vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
 454                 dev_priv->memory_size =
 455                         vmw_read(dev_priv, SVGA_REG_MEMORY_SIZE);
 456                 dev_priv->memory_size -= dev_priv->vram_size;
 457         } else {
 458                 /*
 459                  * An arbitrary limit of 512MiB on surface
 460                  * memory. But all HWV8 hardware supports GMR2.
 461                  */
 462                 dev_priv->memory_size = 512*1024*1024;
 463         }
 464
 465         mutex_unlock(&dev_priv->hw_mutex);
 466
 467         vmw_print_capabilities(dev_priv->capabilities);
 468
 469         if (dev_priv->capabilities & SVGA_CAP_GMR) {
 470                 DRM_INFO("Max GMR ids is %u\n",
 471                          (unsigned)dev_priv->max_gmr_ids);
 472                 DRM_INFO("Max GMR descriptors is %u\n",
 473                          (unsigned)dev_priv->max_gmr_descriptors);
 474         }
 475         if (dev_priv->capabilities & SVGA_CAP_GMR2) {
 476                 DRM_INFO("Max number of GMR pages is %u\n",
 477                          (unsigned)dev_priv->max_gmr_pages);
 478                 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
 479                          (unsigned)dev_priv->memory_size / 1024);
 480         }
 481         DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
 482                  dev_priv->vram_start, dev_priv->vram_size / 1024);
 483         DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
 484                  dev_priv->mmio_start, dev_priv->mmio_size / 1024);
 485
 486         ret = vmw_ttm_global_init(dev_priv);
 487         if (unlikely(ret != 0))
 488                 goto out_err0;
 489
 490
 491         vmw_master_init(&dev_priv->fbdev_master);
 492         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
 493         dev_priv->active_master = &dev_priv->fbdev_master;
 494
 495
 496         ret = ttm_bo_device_init(&dev_priv->bdev,
 497                                  dev_priv->bo_global_ref.ref.object,
 498                                  &vmw_bo_driver, VMWGFX_FILE_PAGE_OFFSET,
 499                                  false);
 500         if (unlikely(ret != 0)) {
 501                 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
 502                 goto out_err1;
 503         }
 504
 505         ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
 506                              (dev_priv->vram_size >> PAGE_SHIFT));
 507         if (unlikely(ret != 0)) {
 508                 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
 509                 goto out_err2;
 510         }
 511
 512         dev_priv->has_gmr = true;
 513         if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
 514                            dev_priv->max_gmr_ids) != 0) {
 515                 DRM_INFO("No GMR memory available. "
 516                          "Graphics memory resources are very limited.\n");
 517                 dev_priv->has_gmr = false;
 518         }
 519
 520         dev_priv->mmio_mtrr = drm_mtrr_add(dev_priv->mmio_start,
 521                                            dev_priv->mmio_size, DRM_MTRR_WC);
 522
 523         dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
 524                                          dev_priv->mmio_size);
 525
 526         if (unlikely(dev_priv->mmio_virt == NULL)) {
 527                 ret = -ENOMEM;
 528                 DRM_ERROR("Failed mapping MMIO.\n");
 529                 goto out_err3;
 530         }
 531
 532         /* Need mmio memory to check for fifo pitchlock cap. */
 533         if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
 534             !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
 535             !vmw_fifo_have_pitchlock(dev_priv)) {
 536                 ret = -ENOSYS;
 537                 DRM_ERROR("Hardware has no pitchlock\n");
 538                 goto out_err4;
 539         }
 540
 541         dev_priv->tdev = ttm_object_device_init
 542             (dev_priv->mem_global_ref.object, 12);
 543
 544         if (unlikely(dev_priv->tdev == NULL)) {
 545                 DRM_ERROR("Unable to initialize TTM object management.\n");
 546                 ret = -ENOMEM;
 547                 goto out_err4;
 548         }
 549
 550         dev->dev_private = dev_priv;
 551
 552         ret = pci_request_regions(dev->pdev, "vmwgfx probe");
 553         dev_priv->stealth = (ret != 0);
 554         if (dev_priv->stealth) {
 555                 /**
 556                  * Request at least the mmio PCI resource.
 557                  */
 558
 559                 DRM_INFO("It appears like vesafb is loaded. "
 560                          "Ignore above error if any.\n");
 561                 ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
 562                 if (unlikely(ret != 0)) {
 563                         DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
 564                         goto out_no_device;
 565                 }
 566         }
 567
 568         dev_priv->fman = vmw_fence_manager_init(dev_priv);
 569         if (unlikely(dev_priv->fman == NULL))
 570                 goto out_no_fman;
 571
 572         /* Need to start the fifo to check if we can do screen objects */
 573         ret = vmw_3d_resource_inc(dev_priv, true);
 574         if (unlikely(ret != 0))
 575                 goto out_no_fifo;
 576         vmw_kms_save_vga(dev_priv);
 577
 578         /* Start kms and overlay systems, needs fifo. */
 579         ret = vmw_kms_init(dev_priv);
 580         if (unlikely(ret != 0))
 581                 goto out_no_kms;
 582         vmw_overlay_init(dev_priv);
 583
 584         /* 3D Depends on Screen Objects being used. */
 585         DRM_INFO("Detected %sdevice 3D availability.\n",
 586                  vmw_fifo_have_3d(dev_priv) ?
 587                  "" : "no ");
 588
 589         /* We might be done with the fifo now */
 590         if (dev_priv->enable_fb) {
 591                 vmw_fb_init(dev_priv);
 592         } else {
 593                 vmw_kms_restore_vga(dev_priv);
 594                 vmw_3d_resource_dec(dev_priv, true);
 595         }
 596
 597         if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
 598                 ret = drm_irq_install(dev);
 599                 if (unlikely(ret != 0)) {
 600                         DRM_ERROR("Failed installing irq: %d\n", ret);
 601                         goto out_no_irq;
 602                 }
 603         }
 604
 605         dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
 606         register_pm_notifier(&dev_priv->pm_nb);
 607
 608         return 0;
 609
 610 out_no_irq:
 611         if (dev_priv->enable_fb)
 612                 vmw_fb_close(dev_priv);
 613         vmw_overlay_close(dev_priv);
 614         vmw_kms_close(dev_priv);
 615 out_no_kms:
 616         /* We still have a 3D resource reference held */
 617         if (dev_priv->enable_fb) {
 618                 vmw_kms_restore_vga(dev_priv);
 619                 vmw_3d_resource_dec(dev_priv, false);
 620         }
 621 out_no_fifo:
 622         vmw_fence_manager_takedown(dev_priv->fman);
 623 out_no_fman:
 624         if (dev_priv->stealth)
 625                 pci_release_region(dev->pdev, 2);
 626         else
 627                 pci_release_regions(dev->pdev);
 628 out_no_device:
 629         ttm_object_device_release(&dev_priv->tdev);
 630 out_err4:
 631         iounmap(dev_priv->mmio_virt);
 632 out_err3:
 633         drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
 634                      dev_priv->mmio_size, DRM_MTRR_WC);
 635         if (dev_priv->has_gmr)
 636                 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
 637         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 638 out_err2:
 639         (void)ttm_bo_device_release(&dev_priv->bdev);
 640 out_err1:
 641         vmw_ttm_global_release(dev_priv);
 642 out_err0:
 643         idr_destroy(&dev_priv->surface_idr);
 644         idr_destroy(&dev_priv->context_idr);
 645         idr_destroy(&dev_priv->stream_idr);
 646         kfree(dev_priv);
 647         return ret;
 648 }
 649
 650 static int vmw_driver_unload(struct drm_device *dev)
 651 {
 652         struct vmw_private *dev_priv = vmw_priv(dev);
 653
 654         unregister_pm_notifier(&dev_priv->pm_nb);
 655
 656         if (dev_priv->ctx.cmd_bounce)
 657                 vfree(dev_priv->ctx.cmd_bounce);
 658         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
 659                 drm_irq_uninstall(dev_priv->dev);
 660         if (dev_priv->enable_fb) {
 661                 vmw_fb_close(dev_priv);
 662                 vmw_kms_restore_vga(dev_priv);
 663                 vmw_3d_resource_dec(dev_priv, false);
 664         }
 665         vmw_kms_close(dev_priv);
 666         vmw_overlay_close(dev_priv);
 667         vmw_fence_manager_takedown(dev_priv->fman);
 668         if (dev_priv->stealth)
 669                 pci_release_region(dev->pdev, 2);
 670         else
 671                 pci_release_regions(dev->pdev);
 672
 673         ttm_object_device_release(&dev_priv->tdev);
 674         iounmap(dev_priv->mmio_virt);
 675         drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
 676                      dev_priv->mmio_size, DRM_MTRR_WC);
 677         if (dev_priv->has_gmr)
 678                 (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
 679         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 680         (void)ttm_bo_device_release(&dev_priv->bdev);
 681         vmw_ttm_global_release(dev_priv);
 682         idr_destroy(&dev_priv->surface_idr);
 683         idr_destroy(&dev_priv->context_idr);
 684         idr_destroy(&dev_priv->stream_idr);
 685
 686         kfree(dev_priv);
 687
 688         return 0;
 689 }
 690
 691 static void vmw_preclose(struct drm_device *dev,
 692                          struct drm_file *file_priv)
 693 {
 694         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 695         struct vmw_private *dev_priv = vmw_priv(dev);
 696
 697         vmw_event_fence_fpriv_gone(dev_priv->fman, &vmw_fp->fence_events);
 698 }
 699
 700 static void vmw_postclose(struct drm_device *dev,
 701                          struct drm_file *file_priv)
 702 {
 703         struct vmw_fpriv *vmw_fp;
 704
 705         vmw_fp = vmw_fpriv(file_priv);
 706         ttm_object_file_release(&vmw_fp->tfile);
 707         if (vmw_fp->locked_master)
 708                 drm_master_put(&vmw_fp->locked_master);
 709         kfree(vmw_fp);
 710 }
 711
 712 static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 713 {
 714         struct vmw_private *dev_priv = vmw_priv(dev);
 715         struct vmw_fpriv *vmw_fp;
 716         int ret = -ENOMEM;
 717
 718         vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
 719         if (unlikely(vmw_fp == NULL))
 720                 return ret;
 721
 722         INIT_LIST_HEAD(&vmw_fp->fence_events);
 723         vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
 724         if (unlikely(vmw_fp->tfile == NULL))
 725                 goto out_no_tfile;
 726
 727         file_priv->driver_priv = vmw_fp;
 728
 729         if (unlikely(dev_priv->bdev.dev_mapping == NULL))
 730                 dev_priv->bdev.dev_mapping =
 731                         file_priv->filp->f_path.dentry->d_inode->i_mapping;
 732
 733         return 0;
 734
 735 out_no_tfile:
 736         kfree(vmw_fp);
 737         return ret;
 738 }
 739
 740 static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
 741                                unsigned long arg)
 742 {
 743         struct drm_file *file_priv = filp->private_data;
 744         struct drm_device *dev = file_priv->minor->dev;
 745         unsigned int nr = DRM_IOCTL_NR(cmd);
 746
 747         /*
 748          * Do extra checking on driver private ioctls.
 749          */
 750
 751         if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
 752             && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
 753                 struct drm_ioctl_desc *ioctl =
 754                     &vmw_ioctls[nr - DRM_COMMAND_BASE];
 755
 756                 if (unlikely(ioctl->cmd_drv != cmd)) {
 757                         DRM_ERROR("Invalid command format, ioctl %d\n",
 758                                   nr - DRM_COMMAND_BASE);
 759                         return -EINVAL;
 760                 }
 761         }
 762
 763         return drm_ioctl(filp, cmd, arg);
 764 }
 765
 766 static int vmw_firstopen(struct drm_device *dev)
 767 {
 768         struct vmw_private *dev_priv = vmw_priv(dev);
 769         dev_priv->is_opened = true;
 770
 771         return 0;
 772 }
 773
 774 static void vmw_lastclose(struct drm_device *dev)
 775 {
 776         struct vmw_private *dev_priv = vmw_priv(dev);
 777         struct drm_crtc *crtc;
 778         struct drm_mode_set set;
 779         int ret;
 780
 781         /**
 782          * Do nothing on the lastclose call from drm_unload.
 783          */
 784
 785         if (!dev_priv->is_opened)
 786                 return;
 787
 788         dev_priv->is_opened = false;
 789         set.x = 0;
 790         set.y = 0;
 791         set.fb = NULL;
 792         set.mode = NULL;
 793         set.connectors = NULL;
 794         set.num_connectors = 0;
 795
 796         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 797                 set.crtc = crtc;
 798                 ret = crtc->funcs->set_config(&set);
 799                 WARN_ON(ret != 0);
 800         }
 801
 802 }
 803
 804 static void vmw_master_init(struct vmw_master *vmaster)
 805 {
 806         ttm_lock_init(&vmaster->lock);
 807         INIT_LIST_HEAD(&vmaster->fb_surf);
 808         mutex_init(&vmaster->fb_surf_mutex);
 809 }
 810
 811 static int vmw_master_create(struct drm_device *dev,
 812                              struct drm_master *master)
 813 {
 814         struct vmw_master *vmaster;
 815
 816         vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
 817         if (unlikely(vmaster == NULL))
 818                 return -ENOMEM;
 819
 820         vmw_master_init(vmaster);
 821         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 822         master->driver_priv = vmaster;
 823
 824         return 0;
 825 }
 826
 827 static void vmw_master_destroy(struct drm_device *dev,
 828                                struct drm_master *master)
 829 {
 830         struct vmw_master *vmaster = vmw_master(master);
 831
 832         master->driver_priv = NULL;
 833         kfree(vmaster);
 834 }
 835
 836
 837 static int vmw_master_set(struct drm_device *dev,
 838                           struct drm_file *file_priv,
 839                           bool from_open)
 840 {
 841         struct vmw_private *dev_priv = vmw_priv(dev);
 842         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 843         struct vmw_master *active = dev_priv->active_master;
 844         struct vmw_master *vmaster = vmw_master(file_priv->master);
 845         int ret = 0;
 846
 847         if (!dev_priv->enable_fb) {
 848                 ret = vmw_3d_resource_inc(dev_priv, true);
 849                 if (unlikely(ret != 0))
 850                         return ret;
 851                 vmw_kms_save_vga(dev_priv);
 852                 mutex_lock(&dev_priv->hw_mutex);
 853                 vmw_write(dev_priv, SVGA_REG_TRACES, 0);
 854                 mutex_unlock(&dev_priv->hw_mutex);
 855         }
 856
 857         if (active) {
 858                 BUG_ON(active != &dev_priv->fbdev_master);
 859                 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
 860                 if (unlikely(ret != 0))
 861                         goto out_no_active_lock;
 862
 863                 ttm_lock_set_kill(&active->lock, true, SIGTERM);
 864                 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
 865                 if (unlikely(ret != 0)) {
 866                         DRM_ERROR("Unable to clean VRAM on "
 867                                   "master drop.\n");
 868                 }
 869
 870                 dev_priv->active_master = NULL;
 871         }
 872
 873         ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
 874         if (!from_open) {
 875                 ttm_vt_unlock(&vmaster->lock);
 876                 BUG_ON(vmw_fp->locked_master != file_priv->master);
 877                 drm_master_put(&vmw_fp->locked_master);
 878         }
 879
 880         dev_priv->active_master = vmaster;
 881
 882         return 0;
 883
 884 out_no_active_lock:
 885         if (!dev_priv->enable_fb) {
 886                 mutex_lock(&dev_priv->hw_mutex);
 887                 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
 888                 mutex_unlock(&dev_priv->hw_mutex);
 889                 vmw_kms_restore_vga(dev_priv);
 890                 vmw_3d_resource_dec(dev_priv, true);
 891         }
 892         return ret;
 893 }
 894
 895 static void vmw_master_drop(struct drm_device *dev,
 896                             struct drm_file *file_priv,
 897                             bool from_release)
 898 {
 899         struct vmw_private *dev_priv = vmw_priv(dev);
 900         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 901         struct vmw_master *vmaster = vmw_master(file_priv->master);
 902         int ret;
 903
 904         /**
 905          * Make sure the master doesn't disappear while we have
 906          * it locked.
 907          */
 908
 909         vmw_fp->locked_master = drm_master_get(file_priv->master);
 910         ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
 911         vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
 912
 913         if (unlikely((ret != 0))) {
 914                 DRM_ERROR("Unable to lock TTM at VT switch.\n");
 915                 drm_master_put(&vmw_fp->locked_master);
 916         }
 917
 918         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 919
 920         if (!dev_priv->enable_fb) {
 921                 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
 922                 if (unlikely(ret != 0))
 923                         DRM_ERROR("Unable to clean VRAM on master drop.\n");
 924                 mutex_lock(&dev_priv->hw_mutex);
 925                 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
 926                 mutex_unlock(&dev_priv->hw_mutex);
 927                 vmw_kms_restore_vga(dev_priv);
 928                 vmw_3d_resource_dec(dev_priv, true);
 929         }
 930
 931         dev_priv->active_master = &dev_priv->fbdev_master;
 932         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
 933         ttm_vt_unlock(&dev_priv->fbdev_master.lock);
 934
 935         if (dev_priv->enable_fb)
 936                 vmw_fb_on(dev_priv);
 937 }
 938
 939
 940 static void vmw_remove(struct pci_dev *pdev)
 941 {
 942         struct drm_device *dev = pci_get_drvdata(pdev);
 943
 944         drm_put_dev(dev);
 945 }
 946
 947 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 948                               void *ptr)
 949 {
 950         struct vmw_private *dev_priv =
 951                 container_of(nb, struct vmw_private, pm_nb);
 952         struct vmw_master *vmaster = dev_priv->active_master;
 953
 954         switch (val) {
 955         case PM_HIBERNATION_PREPARE:
 956         case PM_SUSPEND_PREPARE:
 957                 ttm_suspend_lock(&vmaster->lock);
 958
 959                 /**
 960                  * This empties VRAM and unbinds all GMR bindings.
 961                  * Buffer contents is moved to swappable memory.
 962                  */
 963                 vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
 964                 ttm_bo_swapout_all(&dev_priv->bdev);
 965
 966                 break;
 967         case PM_POST_HIBERNATION:
 968         case PM_POST_SUSPEND:
 969         case PM_POST_RESTORE:
 970                 ttm_suspend_unlock(&vmaster->lock);
 971
 972                 break;
 973         case PM_RESTORE_PREPARE:
 974                 break;
 975         default:
 976                 break;
 977         }
 978         return 0;
 979 }
 980
 981 /**
 982  * These might not be needed with the virtual SVGA device.
 983  */
 984
 985 static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 986 {
 987         struct drm_device *dev = pci_get_drvdata(pdev);
 988         struct vmw_private *dev_priv = vmw_priv(dev);
 989
 990         if (dev_priv->num_3d_resources != 0) {
 991                 DRM_INFO("Can't suspend or hibernate "
 992                          "while 3D resources are active.\n");
 993                 return -EBUSY;
 994         }
 995
 996         pci_save_state(pdev);
 997         pci_disable_device(pdev);
 998         pci_set_power_state(pdev, PCI_D3hot);
 999         return 0;
1000 }
1001
1002 static int vmw_pci_resume(struct pci_dev *pdev)
1003 {
1004         pci_set_power_state(pdev, PCI_D0);
1005         pci_restore_state(pdev);
1006         return pci_enable_device(pdev);
1007 }
1008
1009 static int vmw_pm_suspend(struct device *kdev)
1010 {
1011         struct pci_dev *pdev = to_pci_dev(kdev);
1012         struct pm_message dummy;
1013
1014         dummy.event = 0;
1015
1016         return vmw_pci_suspend(pdev, dummy);
1017 }
1018
1019 static int vmw_pm_resume(struct device *kdev)
1020 {
1021         struct pci_dev *pdev = to_pci_dev(kdev);
1022
1023         return vmw_pci_resume(pdev);
1024 }
1025
1026 static int vmw_pm_prepare(struct device *kdev)
1027 {
1028         struct pci_dev *pdev = to_pci_dev(kdev);
1029         struct drm_device *dev = pci_get_drvdata(pdev);
1030         struct vmw_private *dev_priv = vmw_priv(dev);
1031
1032         /**
1033          * Release 3d reference held by fbdev and potentially
1034          * stop fifo.
1035          */
1036         dev_priv->suspended = true;
1037         if (dev_priv->enable_fb)
1038                         vmw_3d_resource_dec(dev_priv, true);
1039
1040         if (dev_priv->num_3d_resources != 0) {
1041
1042                 DRM_INFO("Can't suspend or hibernate "
1043                          "while 3D resources are active.\n");
1044
1045                 if (dev_priv->enable_fb)
1046                         vmw_3d_resource_inc(dev_priv, true);
1047                 dev_priv->suspended = false;
1048                 return -EBUSY;
1049         }
1050
1051         return 0;
1052 }
1053
1054 static void vmw_pm_complete(struct device *kdev)
1055 {
1056         struct pci_dev *pdev = to_pci_dev(kdev);
1057         struct drm_device *dev = pci_get_drvdata(pdev);
1058         struct vmw_private *dev_priv = vmw_priv(dev);
1059
1060         /**
1061          * Reclaim 3d reference held by fbdev and potentially
1062          * start fifo.
1063          */
1064         if (dev_priv->enable_fb)
1065                         vmw_3d_resource_inc(dev_priv, false);
1066
1067         dev_priv->suspended = false;
1068 }
1069
1070 static const struct dev_pm_ops vmw_pm_ops = {
1071         .prepare = vmw_pm_prepare,
1072         .complete = vmw_pm_complete,
1073         .suspend = vmw_pm_suspend,
1074         .resume = vmw_pm_resume,
1075 };
1076
1077 static const struct file_operations vmwgfx_driver_fops = {
1078         .owner = THIS_MODULE,
1079         .open = drm_open,
1080         .release = drm_release,
1081         .unlocked_ioctl = vmw_unlocked_ioctl,
1082         .mmap = vmw_mmap,
1083         .poll = vmw_fops_poll,
1084         .read = vmw_fops_read,
1085         .fasync = drm_fasync,
1086 #if defined(CONFIG_COMPAT)
1087         .compat_ioctl = drm_compat_ioctl,
1088 #endif
1089         .llseek = noop_llseek,
1090 };
1091
1092 static struct drm_driver driver = {
1093         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
1094         DRIVER_MODESET,
1095         .load = vmw_driver_load,
1096         .unload = vmw_driver_unload,
1097         .firstopen = vmw_firstopen,
1098         .lastclose = vmw_lastclose,
1099         .irq_preinstall = vmw_irq_preinstall,
1100         .irq_postinstall = vmw_irq_postinstall,
1101         .irq_uninstall = vmw_irq_uninstall,
1102         .irq_handler = vmw_irq_handler,
1103         .get_vblank_counter = vmw_get_vblank_counter,
1104         .enable_vblank = vmw_enable_vblank,
1105         .disable_vblank = vmw_disable_vblank,
1106         .reclaim_buffers_locked = NULL,
1107         .ioctls = vmw_ioctls,
1108         .num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
1109         .dma_quiescent = NULL,  /*vmw_dma_quiescent, */
1110         .master_create = vmw_master_create,
1111         .master_destroy = vmw_master_destroy,
1112         .master_set = vmw_master_set,
1113         .master_drop = vmw_master_drop,
1114         .open = vmw_driver_open,
1115         .preclose = vmw_preclose,
1116         .postclose = vmw_postclose,
1117         .fops = &vmwgfx_driver_fops,
1118         .name = VMWGFX_DRIVER_NAME,
1119         .desc = VMWGFX_DRIVER_DESC,
1120         .date = VMWGFX_DRIVER_DATE,
1121         .major = VMWGFX_DRIVER_MAJOR,
1122         .minor = VMWGFX_DRIVER_MINOR,
1123         .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
1124 };
1125
1126 static struct pci_driver vmw_pci_driver = {
1127         .name = VMWGFX_DRIVER_NAME,
1128         .id_table = vmw_pci_id_list,
1129         .probe = vmw_probe,
1130         .remove = vmw_remove,
1131         .driver = {
1132                 .pm = &vmw_pm_ops
1133         }
1134 };
1135
1136 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1137 {
1138         return drm_get_pci_dev(pdev, ent, &driver);
1139 }
1140
1141 static int __init vmwgfx_init(void)
1142 {
1143         int ret;
1144         ret = drm_pci_init(&driver, &vmw_pci_driver);
1145         if (ret)
1146                 DRM_ERROR("Failed initializing DRM.\n");
1147         return ret;
1148 }
1149
1150 static void __exit vmwgfx_exit(void)
1151 {
1152         drm_pci_exit(&driver, &vmw_pci_driver);
1153 }
1154
1155 module_init(vmwgfx_init);
1156 module_exit(vmwgfx_exit);
1157
1158 MODULE_AUTHOR("VMware Inc. and others");
1159 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1160 MODULE_LICENSE("GPL and additional rights");
1161 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "."
1162                __stringify(VMWGFX_DRIVER_MINOR) "."
1163                __stringify(VMWGFX_DRIVER_PATCHLEVEL) "."
1164                "0");