Pileus Git - ~andy/linux/blob - 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 <drm/drmP.h>
  30 #include "vmwgfx_drv.h"
  31 #include <drm/ttm/ttm_placement.h>
  32 #include <drm/ttm/ttm_bo_driver.h>
  33 #include <drm/ttm/ttm_object.h>
  34 #include <drm/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 #define VMW_MIN_INITIAL_WIDTH 800
  42 #define VMW_MIN_INITIAL_HEIGHT 600
  43
  44
  45 /**
  46  * Fully encoded drm commands. Might move to vmw_drm.h
  47  */
  48
  49 #define DRM_IOCTL_VMW_GET_PARAM                                 \
  50         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM,          \
  51                  struct drm_vmw_getparam_arg)
  52 #define DRM_IOCTL_VMW_ALLOC_DMABUF                              \
  53         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF,       \
  54                 union drm_vmw_alloc_dmabuf_arg)
  55 #define DRM_IOCTL_VMW_UNREF_DMABUF                              \
  56         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF,        \
  57                 struct drm_vmw_unref_dmabuf_arg)
  58 #define DRM_IOCTL_VMW_CURSOR_BYPASS                             \
  59         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS,       \
  60                  struct drm_vmw_cursor_bypass_arg)
  61
  62 #define DRM_IOCTL_VMW_CONTROL_STREAM                            \
  63         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM,      \
  64                  struct drm_vmw_control_stream_arg)
  65 #define DRM_IOCTL_VMW_CLAIM_STREAM                              \
  66         DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM,        \
  67                  struct drm_vmw_stream_arg)
  68 #define DRM_IOCTL_VMW_UNREF_STREAM                              \
  69         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM,        \
  70                  struct drm_vmw_stream_arg)
  71
  72 #define DRM_IOCTL_VMW_CREATE_CONTEXT                            \
  73         DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT,      \
  74                 struct drm_vmw_context_arg)
  75 #define DRM_IOCTL_VMW_UNREF_CONTEXT                             \
  76         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT,       \
  77                 struct drm_vmw_context_arg)
  78 #define DRM_IOCTL_VMW_CREATE_SURFACE                            \
  79         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE,     \
  80                  union drm_vmw_surface_create_arg)
  81 #define DRM_IOCTL_VMW_UNREF_SURFACE                             \
  82         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE,       \
  83                  struct drm_vmw_surface_arg)
  84 #define DRM_IOCTL_VMW_REF_SURFACE                               \
  85         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE,        \
  86                  union drm_vmw_surface_reference_arg)
  87 #define DRM_IOCTL_VMW_EXECBUF                                   \
  88         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF,             \
  89                 struct drm_vmw_execbuf_arg)
  90 #define DRM_IOCTL_VMW_GET_3D_CAP                                \
  91         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP,          \
  92                  struct drm_vmw_get_3d_cap_arg)
  93 #define DRM_IOCTL_VMW_FENCE_WAIT                                \
  94         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT,         \
  95                  struct drm_vmw_fence_wait_arg)
  96 #define DRM_IOCTL_VMW_FENCE_SIGNALED                            \
  97         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED,     \
  98                  struct drm_vmw_fence_signaled_arg)
  99 #define DRM_IOCTL_VMW_FENCE_UNREF                               \
 100         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF,         \
 101                  struct drm_vmw_fence_arg)
 102 #define DRM_IOCTL_VMW_FENCE_EVENT                               \
 103         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT,         \
 104                  struct drm_vmw_fence_event_arg)
 105 #define DRM_IOCTL_VMW_PRESENT                                   \
 106         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT,             \
 107                  struct drm_vmw_present_arg)
 108 #define DRM_IOCTL_VMW_PRESENT_READBACK                          \
 109         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK,    \
 110                  struct drm_vmw_present_readback_arg)
 111 #define DRM_IOCTL_VMW_UPDATE_LAYOUT                             \
 112         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT,       \
 113                  struct drm_vmw_update_layout_arg)
 114
 115 /**
 116  * The core DRM version of this macro doesn't account for
 117  * DRM_COMMAND_BASE.
 118  */
 119
 120 #define VMW_IOCTL_DEF(ioctl, func, flags) \
 121   [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
 122
 123 /**
 124  * Ioctl definitions.
 125  */
 126
 127 static struct drm_ioctl_desc vmw_ioctls[] = {
 128         VMW_IOCTL_DEF(VMW_GET_PARAM, vmw_getparam_ioctl,
 129                       DRM_AUTH | DRM_UNLOCKED),
 130         VMW_IOCTL_DEF(VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
 131                       DRM_AUTH | DRM_UNLOCKED),
 132         VMW_IOCTL_DEF(VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
 133                       DRM_AUTH | DRM_UNLOCKED),
 134         VMW_IOCTL_DEF(VMW_CURSOR_BYPASS,
 135                       vmw_kms_cursor_bypass_ioctl,
 136                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 137
 138         VMW_IOCTL_DEF(VMW_CONTROL_STREAM, vmw_overlay_ioctl,
 139                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 140         VMW_IOCTL_DEF(VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
 141                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 142         VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
 143                       DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
 144
 145         VMW_IOCTL_DEF(VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
 146                       DRM_AUTH | DRM_UNLOCKED),
 147         VMW_IOCTL_DEF(VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
 148                       DRM_AUTH | DRM_UNLOCKED),
 149         VMW_IOCTL_DEF(VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
 150                       DRM_AUTH | DRM_UNLOCKED),
 151         VMW_IOCTL_DEF(VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
 152                       DRM_AUTH | DRM_UNLOCKED),
 153         VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl,
 154                       DRM_AUTH | DRM_UNLOCKED),
 155         VMW_IOCTL_DEF(VMW_EXECBUF, vmw_execbuf_ioctl,
 156                       DRM_AUTH | DRM_UNLOCKED),
 157         VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl,
 158                       DRM_AUTH | DRM_UNLOCKED),
 159         VMW_IOCTL_DEF(VMW_FENCE_SIGNALED,
 160                       vmw_fence_obj_signaled_ioctl,
 161                       DRM_AUTH | DRM_UNLOCKED),
 162         VMW_IOCTL_DEF(VMW_FENCE_UNREF, vmw_fence_obj_unref_ioctl,
 163                       DRM_AUTH | DRM_UNLOCKED),
 164         VMW_IOCTL_DEF(VMW_FENCE_EVENT,
 165                       vmw_fence_event_ioctl,
 166                       DRM_AUTH | DRM_UNLOCKED),
 167         VMW_IOCTL_DEF(VMW_GET_3D_CAP, vmw_get_cap_3d_ioctl,
 168                       DRM_AUTH | DRM_UNLOCKED),
 169
 170         /* these allow direct access to the framebuffers mark as master only */
 171         VMW_IOCTL_DEF(VMW_PRESENT, vmw_present_ioctl,
 172                       DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
 173         VMW_IOCTL_DEF(VMW_PRESENT_READBACK,
 174                       vmw_present_readback_ioctl,
 175                       DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
 176         VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT,
 177                       vmw_kms_update_layout_ioctl,
 178                       DRM_MASTER | DRM_UNLOCKED),
 179 };
 180
 181 static struct pci_device_id vmw_pci_id_list[] = {
 182         {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
 183         {0, 0, 0}
 184 };
 185 MODULE_DEVICE_TABLE(pci, vmw_pci_id_list);
 186
 187 static int enable_fbdev = IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON);
 188
 189 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
 190 static void vmw_master_init(struct vmw_master *);
 191 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 192                               void *ptr);
 193
 194 MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
 195 module_param_named(enable_fbdev, enable_fbdev, int, 0600);
 196
 197 static void vmw_print_capabilities(uint32_t capabilities)
 198 {
 199         DRM_INFO("Capabilities:\n");
 200         if (capabilities & SVGA_CAP_RECT_COPY)
 201                 DRM_INFO("  Rect copy.\n");
 202         if (capabilities & SVGA_CAP_CURSOR)
 203                 DRM_INFO("  Cursor.\n");
 204         if (capabilities & SVGA_CAP_CURSOR_BYPASS)
 205                 DRM_INFO("  Cursor bypass.\n");
 206         if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
 207                 DRM_INFO("  Cursor bypass 2.\n");
 208         if (capabilities & SVGA_CAP_8BIT_EMULATION)
 209                 DRM_INFO("  8bit emulation.\n");
 210         if (capabilities & SVGA_CAP_ALPHA_CURSOR)
 211                 DRM_INFO("  Alpha cursor.\n");
 212         if (capabilities & SVGA_CAP_3D)
 213                 DRM_INFO("  3D.\n");
 214         if (capabilities & SVGA_CAP_EXTENDED_FIFO)
 215                 DRM_INFO("  Extended Fifo.\n");
 216         if (capabilities & SVGA_CAP_MULTIMON)
 217                 DRM_INFO("  Multimon.\n");
 218         if (capabilities & SVGA_CAP_PITCHLOCK)
 219                 DRM_INFO("  Pitchlock.\n");
 220         if (capabilities & SVGA_CAP_IRQMASK)
 221                 DRM_INFO("  Irq mask.\n");
 222         if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
 223                 DRM_INFO("  Display Topology.\n");
 224         if (capabilities & SVGA_CAP_GMR)
 225                 DRM_INFO("  GMR.\n");
 226         if (capabilities & SVGA_CAP_TRACES)
 227                 DRM_INFO("  Traces.\n");
 228         if (capabilities & SVGA_CAP_GMR2)
 229                 DRM_INFO("  GMR2.\n");
 230         if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
 231                 DRM_INFO("  Screen Object 2.\n");
 232 }
 233
 234
 235 /**
 236  * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
 237  * the start of a buffer object.
 238  *
 239  * @dev_priv: The device private structure.
 240  *
 241  * This function will idle the buffer using an uninterruptible wait, then
 242  * map the first page and initialize a pending occlusion query result structure,
 243  * Finally it will unmap the buffer.
 244  *
 245  * TODO: Since we're only mapping a single page, we should optimize the map
 246  * to use kmap_atomic / iomap_atomic.
 247  */
 248 static void vmw_dummy_query_bo_prepare(struct vmw_private *dev_priv)
 249 {
 250         struct ttm_bo_kmap_obj map;
 251         volatile SVGA3dQueryResult *result;
 252         bool dummy;
 253         int ret;
 254         struct ttm_bo_device *bdev = &dev_priv->bdev;
 255         struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
 256
 257         ttm_bo_reserve(bo, false, false, false, 0);
 258         spin_lock(&bdev->fence_lock);
 259         ret = ttm_bo_wait(bo, false, false, false);
 260         spin_unlock(&bdev->fence_lock);
 261         if (unlikely(ret != 0))
 262                 (void) vmw_fallback_wait(dev_priv, false, true, 0, false,
 263                                          10*HZ);
 264
 265         ret = ttm_bo_kmap(bo, 0, 1, &map);
 266         if (likely(ret == 0)) {
 267                 result = ttm_kmap_obj_virtual(&map, &dummy);
 268                 result->totalSize = sizeof(*result);
 269                 result->state = SVGA3D_QUERYSTATE_PENDING;
 270                 result->result32 = 0xff;
 271                 ttm_bo_kunmap(&map);
 272         } else
 273                 DRM_ERROR("Dummy query buffer map failed.\n");
 274         ttm_bo_unreserve(bo);
 275 }
 276
 277
 278 /**
 279  * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
 280  *
 281  * @dev_priv: A device private structure.
 282  *
 283  * This function creates a small buffer object that holds the query
 284  * result for dummy queries emitted as query barriers.
 285  * No interruptible waits are done within this function.
 286  *
 287  * Returns an error if bo creation fails.
 288  */
 289 static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
 290 {
 291         return ttm_bo_create(&dev_priv->bdev,
 292                              PAGE_SIZE,
 293                              ttm_bo_type_device,
 294                              &vmw_vram_sys_placement,
 295                              0, false, NULL,
 296                              &dev_priv->dummy_query_bo);
 297 }
 298
 299
 300 static int vmw_request_device(struct vmw_private *dev_priv)
 301 {
 302         int ret;
 303
 304         ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
 305         if (unlikely(ret != 0)) {
 306                 DRM_ERROR("Unable to initialize FIFO.\n");
 307                 return ret;
 308         }
 309         vmw_fence_fifo_up(dev_priv->fman);
 310         ret = vmw_dummy_query_bo_create(dev_priv);
 311         if (unlikely(ret != 0))
 312                 goto out_no_query_bo;
 313         vmw_dummy_query_bo_prepare(dev_priv);
 314
 315         return 0;
 316
 317 out_no_query_bo:
 318         vmw_fence_fifo_down(dev_priv->fman);
 319         vmw_fifo_release(dev_priv, &dev_priv->fifo);
 320         return ret;
 321 }
 322
 323 static void vmw_release_device(struct vmw_private *dev_priv)
 324 {
 325         /*
 326          * Previous destructions should've released
 327          * the pinned bo.
 328          */
 329
 330         BUG_ON(dev_priv->pinned_bo != NULL);
 331
 332         ttm_bo_unref(&dev_priv->dummy_query_bo);
 333         vmw_fence_fifo_down(dev_priv->fman);
 334         vmw_fifo_release(dev_priv, &dev_priv->fifo);
 335 }
 336
 337 /**
 338  * Increase the 3d resource refcount.
 339  * If the count was prevously zero, initialize the fifo, switching to svga
 340  * mode. Note that the master holds a ref as well, and may request an
 341  * explicit switch to svga mode if fb is not running, using @unhide_svga.
 342  */
 343 int vmw_3d_resource_inc(struct vmw_private *dev_priv,
 344                         bool unhide_svga)
 345 {
 346         int ret = 0;
 347
 348         mutex_lock(&dev_priv->release_mutex);
 349         if (unlikely(dev_priv->num_3d_resources++ == 0)) {
 350                 ret = vmw_request_device(dev_priv);
 351                 if (unlikely(ret != 0))
 352                         --dev_priv->num_3d_resources;
 353         } else if (unhide_svga) {
 354                 mutex_lock(&dev_priv->hw_mutex);
 355                 vmw_write(dev_priv, SVGA_REG_ENABLE,
 356                           vmw_read(dev_priv, SVGA_REG_ENABLE) &
 357                           ~SVGA_REG_ENABLE_HIDE);
 358                 mutex_unlock(&dev_priv->hw_mutex);
 359         }
 360
 361         mutex_unlock(&dev_priv->release_mutex);
 362         return ret;
 363 }
 364
 365 /**
 366  * Decrease the 3d resource refcount.
 367  * If the count reaches zero, disable the fifo, switching to vga mode.
 368  * Note that the master holds a refcount as well, and may request an
 369  * explicit switch to vga mode when it releases its refcount to account
 370  * for the situation of an X server vt switch to VGA with 3d resources
 371  * active.
 372  */
 373 void vmw_3d_resource_dec(struct vmw_private *dev_priv,
 374                          bool hide_svga)
 375 {
 376         int32_t n3d;
 377
 378         mutex_lock(&dev_priv->release_mutex);
 379         if (unlikely(--dev_priv->num_3d_resources == 0))
 380                 vmw_release_device(dev_priv);
 381         else if (hide_svga) {
 382                 mutex_lock(&dev_priv->hw_mutex);
 383                 vmw_write(dev_priv, SVGA_REG_ENABLE,
 384                           vmw_read(dev_priv, SVGA_REG_ENABLE) |
 385                           SVGA_REG_ENABLE_HIDE);
 386                 mutex_unlock(&dev_priv->hw_mutex);
 387         }
 388
 389         n3d = (int32_t) dev_priv->num_3d_resources;
 390         mutex_unlock(&dev_priv->release_mutex);
 391
 392         BUG_ON(n3d < 0);
 393 }
 394
 395 /**
 396  * Sets the initial_[width|height] fields on the given vmw_private.
 397  *
 398  * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
 399  * clamping the value to fb_max_[width|height] fields and the
 400  * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
 401  * If the values appear to be invalid, set them to
 402  * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
 403  */
 404 static void vmw_get_initial_size(struct vmw_private *dev_priv)
 405 {
 406         uint32_t width;
 407         uint32_t height;
 408
 409         width = vmw_read(dev_priv, SVGA_REG_WIDTH);
 410         height = vmw_read(dev_priv, SVGA_REG_HEIGHT);
 411
 412         width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH);
 413         height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT);
 414
 415         if (width > dev_priv->fb_max_width ||
 416             height > dev_priv->fb_max_height) {
 417
 418                 /*
 419                  * This is a host error and shouldn't occur.
 420                  */
 421
 422                 width = VMW_MIN_INITIAL_WIDTH;
 423                 height = VMW_MIN_INITIAL_HEIGHT;
 424         }
 425
 426         dev_priv->initial_width = width;
 427         dev_priv->initial_height = height;
 428 }
 429
 430 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 431 {
 432         struct vmw_private *dev_priv;
 433         int ret;
 434         uint32_t svga_id;
 435
 436         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 437         if (unlikely(dev_priv == NULL)) {
 438                 DRM_ERROR("Failed allocating a device private struct.\n");
 439                 return -ENOMEM;
 440         }
 441
 442         pci_set_master(dev->pdev);
 443
 444         dev_priv->dev = dev;
 445         dev_priv->vmw_chipset = chipset;
 446         dev_priv->last_read_seqno = (uint32_t) -100;
 447         mutex_init(&dev_priv->hw_mutex);
 448         mutex_init(&dev_priv->cmdbuf_mutex);
 449         mutex_init(&dev_priv->release_mutex);
 450         rwlock_init(&dev_priv->resource_lock);
 451         idr_init(&dev_priv->context_idr);
 452         idr_init(&dev_priv->surface_idr);
 453         idr_init(&dev_priv->stream_idr);
 454         mutex_init(&dev_priv->init_mutex);
 455         init_waitqueue_head(&dev_priv->fence_queue);
 456         init_waitqueue_head(&dev_priv->fifo_queue);
 457         dev_priv->fence_queue_waiters = 0;
 458         atomic_set(&dev_priv->fifo_queue_waiters, 0);
 459         INIT_LIST_HEAD(&dev_priv->surface_lru);
 460         dev_priv->used_memory_size = 0;
 461
 462         dev_priv->io_start = pci_resource_start(dev->pdev, 0);
 463         dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
 464         dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
 465
 466         dev_priv->enable_fb = enable_fbdev;
 467
 468         mutex_lock(&dev_priv->hw_mutex);
 469
 470         vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
 471         svga_id = vmw_read(dev_priv, SVGA_REG_ID);
 472         if (svga_id != SVGA_ID_2) {
 473                 ret = -ENOSYS;
 474                 DRM_ERROR("Unsupported SVGA ID 0x%x\n", svga_id);
 475                 mutex_unlock(&dev_priv->hw_mutex);
 476                 goto out_err0;
 477         }
 478
 479         dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
 480
 481         dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
 482         dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
 483         dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
 484         dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
 485
 486         vmw_get_initial_size(dev_priv);
 487
 488         if (dev_priv->capabilities & SVGA_CAP_GMR) {
 489                 dev_priv->max_gmr_descriptors =
 490                         vmw_read(dev_priv,
 491                                  SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH);
 492                 dev_priv->max_gmr_ids =
 493                         vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
 494         }
 495         if (dev_priv->capabilities & SVGA_CAP_GMR2) {
 496                 dev_priv->max_gmr_pages =
 497                         vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
 498                 dev_priv->memory_size =
 499                         vmw_read(dev_priv, SVGA_REG_MEMORY_SIZE);
 500                 dev_priv->memory_size -= dev_priv->vram_size;
 501         } else {
 502                 /*
 503                  * An arbitrary limit of 512MiB on surface
 504                  * memory. But all HWV8 hardware supports GMR2.
 505                  */
 506                 dev_priv->memory_size = 512*1024*1024;
 507         }
 508
 509         mutex_unlock(&dev_priv->hw_mutex);
 510
 511         vmw_print_capabilities(dev_priv->capabilities);
 512
 513         if (dev_priv->capabilities & SVGA_CAP_GMR) {
 514                 DRM_INFO("Max GMR ids is %u\n",
 515                          (unsigned)dev_priv->max_gmr_ids);
 516                 DRM_INFO("Max GMR descriptors is %u\n",
 517                          (unsigned)dev_priv->max_gmr_descriptors);
 518         }
 519         if (dev_priv->capabilities & SVGA_CAP_GMR2) {
 520                 DRM_INFO("Max number of GMR pages is %u\n",
 521                          (unsigned)dev_priv->max_gmr_pages);
 522                 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
 523                          (unsigned)dev_priv->memory_size / 1024);
 524         }
 525         DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
 526                  dev_priv->vram_start, dev_priv->vram_size / 1024);
 527         DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
 528                  dev_priv->mmio_start, dev_priv->mmio_size / 1024);
 529
 530         ret = vmw_ttm_global_init(dev_priv);
 531         if (unlikely(ret != 0))
 532                 goto out_err0;
 533
 534
 535         vmw_master_init(&dev_priv->fbdev_master);
 536         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
 537         dev_priv->active_master = &dev_priv->fbdev_master;
 538
 539
 540         ret = ttm_bo_device_init(&dev_priv->bdev,
 541                                  dev_priv->bo_global_ref.ref.object,
 542                                  &vmw_bo_driver, VMWGFX_FILE_PAGE_OFFSET,
 543                                  false);
 544         if (unlikely(ret != 0)) {
 545                 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
 546                 goto out_err1;
 547         }
 548
 549         ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
 550                              (dev_priv->vram_size >> PAGE_SHIFT));
 551         if (unlikely(ret != 0)) {
 552                 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
 553                 goto out_err2;
 554         }
 555
 556         dev_priv->has_gmr = true;
 557         if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
 558                            dev_priv->max_gmr_ids) != 0) {
 559                 DRM_INFO("No GMR memory available. "
 560                          "Graphics memory resources are very limited.\n");
 561                 dev_priv->has_gmr = false;
 562         }
 563
 564         dev_priv->mmio_mtrr = drm_mtrr_add(dev_priv->mmio_start,
 565                                            dev_priv->mmio_size, DRM_MTRR_WC);
 566
 567         dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
 568                                          dev_priv->mmio_size);
 569
 570         if (unlikely(dev_priv->mmio_virt == NULL)) {
 571                 ret = -ENOMEM;
 572                 DRM_ERROR("Failed mapping MMIO.\n");
 573                 goto out_err3;
 574         }
 575
 576         /* Need mmio memory to check for fifo pitchlock cap. */
 577         if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
 578             !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
 579             !vmw_fifo_have_pitchlock(dev_priv)) {
 580                 ret = -ENOSYS;
 581                 DRM_ERROR("Hardware has no pitchlock\n");
 582                 goto out_err4;
 583         }
 584
 585         dev_priv->tdev = ttm_object_device_init
 586             (dev_priv->mem_global_ref.object, 12);
 587
 588         if (unlikely(dev_priv->tdev == NULL)) {
 589                 DRM_ERROR("Unable to initialize TTM object management.\n");
 590                 ret = -ENOMEM;
 591                 goto out_err4;
 592         }
 593
 594         dev->dev_private = dev_priv;
 595
 596         ret = pci_request_regions(dev->pdev, "vmwgfx probe");
 597         dev_priv->stealth = (ret != 0);
 598         if (dev_priv->stealth) {
 599                 /**
 600                  * Request at least the mmio PCI resource.
 601                  */
 602
 603                 DRM_INFO("It appears like vesafb is loaded. "
 604                          "Ignore above error if any.\n");
 605                 ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
 606                 if (unlikely(ret != 0)) {
 607                         DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
 608                         goto out_no_device;
 609                 }
 610         }
 611
 612         if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
 613                 ret = drm_irq_install(dev);
 614                 if (ret != 0) {
 615                         DRM_ERROR("Failed installing irq: %d\n", ret);
 616                         goto out_no_irq;
 617                 }
 618         }
 619
 620         dev_priv->fman = vmw_fence_manager_init(dev_priv);
 621         if (unlikely(dev_priv->fman == NULL))
 622                 goto out_no_fman;
 623
 624         vmw_kms_save_vga(dev_priv);
 625
 626         /* Start kms and overlay systems, needs fifo. */
 627         ret = vmw_kms_init(dev_priv);
 628         if (unlikely(ret != 0))
 629                 goto out_no_kms;
 630         vmw_overlay_init(dev_priv);
 631
 632         if (dev_priv->enable_fb) {
 633                 ret = vmw_3d_resource_inc(dev_priv, true);
 634                 if (unlikely(ret != 0))
 635                         goto out_no_fifo;
 636                 vmw_fb_init(dev_priv);
 637         }
 638
 639         dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
 640         register_pm_notifier(&dev_priv->pm_nb);
 641
 642         return 0;
 643
 644 out_no_fifo:
 645         vmw_overlay_close(dev_priv);
 646         vmw_kms_close(dev_priv);
 647 out_no_kms:
 648         vmw_kms_restore_vga(dev_priv);
 649         vmw_fence_manager_takedown(dev_priv->fman);
 650 out_no_fman:
 651         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
 652                 drm_irq_uninstall(dev_priv->dev);
 653 out_no_irq:
 654         if (dev_priv->stealth)
 655                 pci_release_region(dev->pdev, 2);
 656         else
 657                 pci_release_regions(dev->pdev);
 658 out_no_device:
 659         ttm_object_device_release(&dev_priv->tdev);
 660 out_err4:
 661         iounmap(dev_priv->mmio_virt);
 662 out_err3:
 663         drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
 664                      dev_priv->mmio_size, DRM_MTRR_WC);
 665         if (dev_priv->has_gmr)
 666                 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
 667         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 668 out_err2:
 669         (void)ttm_bo_device_release(&dev_priv->bdev);
 670 out_err1:
 671         vmw_ttm_global_release(dev_priv);
 672 out_err0:
 673         idr_destroy(&dev_priv->surface_idr);
 674         idr_destroy(&dev_priv->context_idr);
 675         idr_destroy(&dev_priv->stream_idr);
 676         kfree(dev_priv);
 677         return ret;
 678 }
 679
 680 static int vmw_driver_unload(struct drm_device *dev)
 681 {
 682         struct vmw_private *dev_priv = vmw_priv(dev);
 683
 684         unregister_pm_notifier(&dev_priv->pm_nb);
 685
 686         if (dev_priv->ctx.cmd_bounce)
 687                 vfree(dev_priv->ctx.cmd_bounce);
 688         if (dev_priv->enable_fb) {
 689                 vmw_fb_close(dev_priv);
 690                 vmw_kms_restore_vga(dev_priv);
 691                 vmw_3d_resource_dec(dev_priv, false);
 692         }
 693         vmw_kms_close(dev_priv);
 694         vmw_overlay_close(dev_priv);
 695         vmw_fence_manager_takedown(dev_priv->fman);
 696         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
 697                 drm_irq_uninstall(dev_priv->dev);
 698         if (dev_priv->stealth)
 699                 pci_release_region(dev->pdev, 2);
 700         else
 701                 pci_release_regions(dev->pdev);
 702
 703         ttm_object_device_release(&dev_priv->tdev);
 704         iounmap(dev_priv->mmio_virt);
 705         drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
 706                      dev_priv->mmio_size, DRM_MTRR_WC);
 707         if (dev_priv->has_gmr)
 708                 (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
 709         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 710         (void)ttm_bo_device_release(&dev_priv->bdev);
 711         vmw_ttm_global_release(dev_priv);
 712         idr_destroy(&dev_priv->surface_idr);
 713         idr_destroy(&dev_priv->context_idr);
 714         idr_destroy(&dev_priv->stream_idr);
 715
 716         kfree(dev_priv);
 717
 718         return 0;
 719 }
 720
 721 static void vmw_preclose(struct drm_device *dev,
 722                          struct drm_file *file_priv)
 723 {
 724         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 725         struct vmw_private *dev_priv = vmw_priv(dev);
 726
 727         vmw_event_fence_fpriv_gone(dev_priv->fman, &vmw_fp->fence_events);
 728 }
 729
 730 static void vmw_postclose(struct drm_device *dev,
 731                          struct drm_file *file_priv)
 732 {
 733         struct vmw_fpriv *vmw_fp;
 734
 735         vmw_fp = vmw_fpriv(file_priv);
 736         ttm_object_file_release(&vmw_fp->tfile);
 737         if (vmw_fp->locked_master)
 738                 drm_master_put(&vmw_fp->locked_master);
 739         kfree(vmw_fp);
 740 }
 741
 742 static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 743 {
 744         struct vmw_private *dev_priv = vmw_priv(dev);
 745         struct vmw_fpriv *vmw_fp;
 746         int ret = -ENOMEM;
 747
 748         vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
 749         if (unlikely(vmw_fp == NULL))
 750                 return ret;
 751
 752         INIT_LIST_HEAD(&vmw_fp->fence_events);
 753         vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
 754         if (unlikely(vmw_fp->tfile == NULL))
 755                 goto out_no_tfile;
 756
 757         file_priv->driver_priv = vmw_fp;
 758         dev_priv->bdev.dev_mapping = dev->dev_mapping;
 759
 760         return 0;
 761
 762 out_no_tfile:
 763         kfree(vmw_fp);
 764         return ret;
 765 }
 766
 767 static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
 768                                unsigned long arg)
 769 {
 770         struct drm_file *file_priv = filp->private_data;
 771         struct drm_device *dev = file_priv->minor->dev;
 772         unsigned int nr = DRM_IOCTL_NR(cmd);
 773
 774         /*
 775          * Do extra checking on driver private ioctls.
 776          */
 777
 778         if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
 779             && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
 780                 struct drm_ioctl_desc *ioctl =
 781                     &vmw_ioctls[nr - DRM_COMMAND_BASE];
 782
 783                 if (unlikely(ioctl->cmd_drv != cmd)) {
 784                         DRM_ERROR("Invalid command format, ioctl %d\n",
 785                                   nr - DRM_COMMAND_BASE);
 786                         return -EINVAL;
 787                 }
 788         }
 789
 790         return drm_ioctl(filp, cmd, arg);
 791 }
 792
 793 static int vmw_firstopen(struct drm_device *dev)
 794 {
 795         struct vmw_private *dev_priv = vmw_priv(dev);
 796         dev_priv->is_opened = true;
 797
 798         return 0;
 799 }
 800
 801 static void vmw_lastclose(struct drm_device *dev)
 802 {
 803         struct vmw_private *dev_priv = vmw_priv(dev);
 804         struct drm_crtc *crtc;
 805         struct drm_mode_set set;
 806         int ret;
 807
 808         /**
 809          * Do nothing on the lastclose call from drm_unload.
 810          */
 811
 812         if (!dev_priv->is_opened)
 813                 return;
 814
 815         dev_priv->is_opened = false;
 816         set.x = 0;
 817         set.y = 0;
 818         set.fb = NULL;
 819         set.mode = NULL;
 820         set.connectors = NULL;
 821         set.num_connectors = 0;
 822
 823         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 824                 set.crtc = crtc;
 825                 ret = crtc->funcs->set_config(&set);
 826                 WARN_ON(ret != 0);
 827         }
 828
 829 }
 830
 831 static void vmw_master_init(struct vmw_master *vmaster)
 832 {
 833         ttm_lock_init(&vmaster->lock);
 834         INIT_LIST_HEAD(&vmaster->fb_surf);
 835         mutex_init(&vmaster->fb_surf_mutex);
 836 }
 837
 838 static int vmw_master_create(struct drm_device *dev,
 839                              struct drm_master *master)
 840 {
 841         struct vmw_master *vmaster;
 842
 843         vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
 844         if (unlikely(vmaster == NULL))
 845                 return -ENOMEM;
 846
 847         vmw_master_init(vmaster);
 848         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 849         master->driver_priv = vmaster;
 850
 851         return 0;
 852 }
 853
 854 static void vmw_master_destroy(struct drm_device *dev,
 855                                struct drm_master *master)
 856 {
 857         struct vmw_master *vmaster = vmw_master(master);
 858
 859         master->driver_priv = NULL;
 860         kfree(vmaster);
 861 }
 862
 863
 864 static int vmw_master_set(struct drm_device *dev,
 865                           struct drm_file *file_priv,
 866                           bool from_open)
 867 {
 868         struct vmw_private *dev_priv = vmw_priv(dev);
 869         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 870         struct vmw_master *active = dev_priv->active_master;
 871         struct vmw_master *vmaster = vmw_master(file_priv->master);
 872         int ret = 0;
 873
 874         if (!dev_priv->enable_fb) {
 875                 ret = vmw_3d_resource_inc(dev_priv, true);
 876                 if (unlikely(ret != 0))
 877                         return ret;
 878                 vmw_kms_save_vga(dev_priv);
 879                 mutex_lock(&dev_priv->hw_mutex);
 880                 vmw_write(dev_priv, SVGA_REG_TRACES, 0);
 881                 mutex_unlock(&dev_priv->hw_mutex);
 882         }
 883
 884         if (active) {
 885                 BUG_ON(active != &dev_priv->fbdev_master);
 886                 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
 887                 if (unlikely(ret != 0))
 888                         goto out_no_active_lock;
 889
 890                 ttm_lock_set_kill(&active->lock, true, SIGTERM);
 891                 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
 892                 if (unlikely(ret != 0)) {
 893                         DRM_ERROR("Unable to clean VRAM on "
 894                                   "master drop.\n");
 895                 }
 896
 897                 dev_priv->active_master = NULL;
 898         }
 899
 900         ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
 901         if (!from_open) {
 902                 ttm_vt_unlock(&vmaster->lock);
 903                 BUG_ON(vmw_fp->locked_master != file_priv->master);
 904                 drm_master_put(&vmw_fp->locked_master);
 905         }
 906
 907         dev_priv->active_master = vmaster;
 908
 909         return 0;
 910
 911 out_no_active_lock:
 912         if (!dev_priv->enable_fb) {
 913                 vmw_kms_restore_vga(dev_priv);
 914                 vmw_3d_resource_dec(dev_priv, true);
 915                 mutex_lock(&dev_priv->hw_mutex);
 916                 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
 917                 mutex_unlock(&dev_priv->hw_mutex);
 918         }
 919         return ret;
 920 }
 921
 922 static void vmw_master_drop(struct drm_device *dev,
 923                             struct drm_file *file_priv,
 924                             bool from_release)
 925 {
 926         struct vmw_private *dev_priv = vmw_priv(dev);
 927         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 928         struct vmw_master *vmaster = vmw_master(file_priv->master);
 929         int ret;
 930
 931         /**
 932          * Make sure the master doesn't disappear while we have
 933          * it locked.
 934          */
 935
 936         vmw_fp->locked_master = drm_master_get(file_priv->master);
 937         ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
 938         vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
 939
 940         if (unlikely((ret != 0))) {
 941                 DRM_ERROR("Unable to lock TTM at VT switch.\n");
 942                 drm_master_put(&vmw_fp->locked_master);
 943         }
 944
 945         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 946
 947         if (!dev_priv->enable_fb) {
 948                 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
 949                 if (unlikely(ret != 0))
 950                         DRM_ERROR("Unable to clean VRAM on master drop.\n");
 951                 vmw_kms_restore_vga(dev_priv);
 952                 vmw_3d_resource_dec(dev_priv, true);
 953                 mutex_lock(&dev_priv->hw_mutex);
 954                 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
 955                 mutex_unlock(&dev_priv->hw_mutex);
 956         }
 957
 958         dev_priv->active_master = &dev_priv->fbdev_master;
 959         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
 960         ttm_vt_unlock(&dev_priv->fbdev_master.lock);
 961
 962         if (dev_priv->enable_fb)
 963                 vmw_fb_on(dev_priv);
 964 }
 965
 966
 967 static void vmw_remove(struct pci_dev *pdev)
 968 {
 969         struct drm_device *dev = pci_get_drvdata(pdev);
 970
 971         drm_put_dev(dev);
 972 }
 973
 974 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 975                               void *ptr)
 976 {
 977         struct vmw_private *dev_priv =
 978                 container_of(nb, struct vmw_private, pm_nb);
 979         struct vmw_master *vmaster = dev_priv->active_master;
 980
 981         switch (val) {
 982         case PM_HIBERNATION_PREPARE:
 983         case PM_SUSPEND_PREPARE:
 984                 ttm_suspend_lock(&vmaster->lock);
 985
 986                 /**
 987                  * This empties VRAM and unbinds all GMR bindings.
 988                  * Buffer contents is moved to swappable memory.
 989                  */
 990                 vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
 991                 ttm_bo_swapout_all(&dev_priv->bdev);
 992
 993                 break;
 994         case PM_POST_HIBERNATION:
 995         case PM_POST_SUSPEND:
 996         case PM_POST_RESTORE:
 997                 ttm_suspend_unlock(&vmaster->lock);
 998
 999                 break;
1000         case PM_RESTORE_PREPARE:
1001                 break;
1002         default:
1003                 break;
1004         }
1005         return 0;
1006 }
1007
1008 /**
1009  * These might not be needed with the virtual SVGA device.
1010  */
1011
1012 static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1013 {
1014         struct drm_device *dev = pci_get_drvdata(pdev);
1015         struct vmw_private *dev_priv = vmw_priv(dev);
1016
1017         if (dev_priv->num_3d_resources != 0) {
1018                 DRM_INFO("Can't suspend or hibernate "
1019                          "while 3D resources are active.\n");
1020                 return -EBUSY;
1021         }
1022
1023         pci_save_state(pdev);
1024         pci_disable_device(pdev);
1025         pci_set_power_state(pdev, PCI_D3hot);
1026         return 0;
1027 }
1028
1029 static int vmw_pci_resume(struct pci_dev *pdev)
1030 {
1031         pci_set_power_state(pdev, PCI_D0);
1032         pci_restore_state(pdev);
1033         return pci_enable_device(pdev);
1034 }
1035
1036 static int vmw_pm_suspend(struct device *kdev)
1037 {
1038         struct pci_dev *pdev = to_pci_dev(kdev);
1039         struct pm_message dummy;
1040
1041         dummy.event = 0;
1042
1043         return vmw_pci_suspend(pdev, dummy);
1044 }
1045
1046 static int vmw_pm_resume(struct device *kdev)
1047 {
1048         struct pci_dev *pdev = to_pci_dev(kdev);
1049
1050         return vmw_pci_resume(pdev);
1051 }
1052
1053 static int vmw_pm_prepare(struct device *kdev)
1054 {
1055         struct pci_dev *pdev = to_pci_dev(kdev);
1056         struct drm_device *dev = pci_get_drvdata(pdev);
1057         struct vmw_private *dev_priv = vmw_priv(dev);
1058
1059         /**
1060          * Release 3d reference held by fbdev and potentially
1061          * stop fifo.
1062          */
1063         dev_priv->suspended = true;
1064         if (dev_priv->enable_fb)
1065                         vmw_3d_resource_dec(dev_priv, true);
1066
1067         if (dev_priv->num_3d_resources != 0) {
1068
1069                 DRM_INFO("Can't suspend or hibernate "
1070                          "while 3D resources are active.\n");
1071
1072                 if (dev_priv->enable_fb)
1073                         vmw_3d_resource_inc(dev_priv, true);
1074                 dev_priv->suspended = false;
1075                 return -EBUSY;
1076         }
1077
1078         return 0;
1079 }
1080
1081 static void vmw_pm_complete(struct device *kdev)
1082 {
1083         struct pci_dev *pdev = to_pci_dev(kdev);
1084         struct drm_device *dev = pci_get_drvdata(pdev);
1085         struct vmw_private *dev_priv = vmw_priv(dev);
1086
1087         /**
1088          * Reclaim 3d reference held by fbdev and potentially
1089          * start fifo.
1090          */
1091         if (dev_priv->enable_fb)
1092                         vmw_3d_resource_inc(dev_priv, false);
1093
1094         dev_priv->suspended = false;
1095 }
1096
1097 static const struct dev_pm_ops vmw_pm_ops = {
1098         .prepare = vmw_pm_prepare,
1099         .complete = vmw_pm_complete,
1100         .suspend = vmw_pm_suspend,
1101         .resume = vmw_pm_resume,
1102 };
1103
1104 static const struct file_operations vmwgfx_driver_fops = {
1105         .owner = THIS_MODULE,
1106         .open = drm_open,
1107         .release = drm_release,
1108         .unlocked_ioctl = vmw_unlocked_ioctl,
1109         .mmap = vmw_mmap,
1110         .poll = vmw_fops_poll,
1111         .read = vmw_fops_read,
1112         .fasync = drm_fasync,
1113 #if defined(CONFIG_COMPAT)
1114         .compat_ioctl = drm_compat_ioctl,
1115 #endif
1116         .llseek = noop_llseek,
1117 };
1118
1119 static struct drm_driver driver = {
1120         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
1121         DRIVER_MODESET,
1122         .load = vmw_driver_load,
1123         .unload = vmw_driver_unload,
1124         .firstopen = vmw_firstopen,
1125         .lastclose = vmw_lastclose,
1126         .irq_preinstall = vmw_irq_preinstall,
1127         .irq_postinstall = vmw_irq_postinstall,
1128         .irq_uninstall = vmw_irq_uninstall,
1129         .irq_handler = vmw_irq_handler,
1130         .get_vblank_counter = vmw_get_vblank_counter,
1131         .enable_vblank = vmw_enable_vblank,
1132         .disable_vblank = vmw_disable_vblank,
1133         .ioctls = vmw_ioctls,
1134         .num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
1135         .dma_quiescent = NULL,  /*vmw_dma_quiescent, */
1136         .master_create = vmw_master_create,
1137         .master_destroy = vmw_master_destroy,
1138         .master_set = vmw_master_set,
1139         .master_drop = vmw_master_drop,
1140         .open = vmw_driver_open,
1141         .preclose = vmw_preclose,
1142         .postclose = vmw_postclose,
1143
1144         .dumb_create = vmw_dumb_create,
1145         .dumb_map_offset = vmw_dumb_map_offset,
1146         .dumb_destroy = vmw_dumb_destroy,
1147
1148         .fops = &vmwgfx_driver_fops,
1149         .name = VMWGFX_DRIVER_NAME,
1150         .desc = VMWGFX_DRIVER_DESC,
1151         .date = VMWGFX_DRIVER_DATE,
1152         .major = VMWGFX_DRIVER_MAJOR,
1153         .minor = VMWGFX_DRIVER_MINOR,
1154         .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
1155 };
1156
1157 static struct pci_driver vmw_pci_driver = {
1158         .name = VMWGFX_DRIVER_NAME,
1159         .id_table = vmw_pci_id_list,
1160         .probe = vmw_probe,
1161         .remove = vmw_remove,
1162         .driver = {
1163                 .pm = &vmw_pm_ops
1164         }
1165 };
1166
1167 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1168 {
1169         return drm_get_pci_dev(pdev, ent, &driver);
1170 }
1171
1172 static int __init vmwgfx_init(void)
1173 {
1174         int ret;
1175         ret = drm_pci_init(&driver, &vmw_pci_driver);
1176         if (ret)
1177                 DRM_ERROR("Failed initializing DRM.\n");
1178         return ret;
1179 }
1180
1181 static void __exit vmwgfx_exit(void)
1182 {
1183         drm_pci_exit(&driver, &vmw_pci_driver);
1184 }
1185
1186 module_init(vmwgfx_init);
1187 module_exit(vmwgfx_exit);
1188
1189 MODULE_AUTHOR("VMware Inc. and others");
1190 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1191 MODULE_LICENSE("GPL and additional rights");
1192 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "."
1193                __stringify(VMWGFX_DRIVER_MINOR) "."
1194                __stringify(VMWGFX_DRIVER_PATCHLEVEL) "."
1195                "0");