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 #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
 186 static int enable_fbdev;
 187
 188 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
 189 static void vmw_master_init(struct vmw_master *);
 190 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 191                               void *ptr);
 192
 193 MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
 194 module_param_named(enable_fbdev, enable_fbdev, int, 0600);
 195
 196 static void vmw_print_capabilities(uint32_t capabilities)
 197 {
 198         DRM_INFO("Capabilities:\n");
 199         if (capabilities & SVGA_CAP_RECT_COPY)
 200                 DRM_INFO("  Rect copy.\n");
 201         if (capabilities & SVGA_CAP_CURSOR)
 202                 DRM_INFO("  Cursor.\n");
 203         if (capabilities & SVGA_CAP_CURSOR_BYPASS)
 204                 DRM_INFO("  Cursor bypass.\n");
 205         if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
 206                 DRM_INFO("  Cursor bypass 2.\n");
 207         if (capabilities & SVGA_CAP_8BIT_EMULATION)
 208                 DRM_INFO("  8bit emulation.\n");
 209         if (capabilities & SVGA_CAP_ALPHA_CURSOR)
 210                 DRM_INFO("  Alpha cursor.\n");
 211         if (capabilities & SVGA_CAP_3D)
 212                 DRM_INFO("  3D.\n");
 213         if (capabilities & SVGA_CAP_EXTENDED_FIFO)
 214                 DRM_INFO("  Extended Fifo.\n");
 215         if (capabilities & SVGA_CAP_MULTIMON)
 216                 DRM_INFO("  Multimon.\n");
 217         if (capabilities & SVGA_CAP_PITCHLOCK)
 218                 DRM_INFO("  Pitchlock.\n");
 219         if (capabilities & SVGA_CAP_IRQMASK)
 220                 DRM_INFO("  Irq mask.\n");
 221         if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
 222                 DRM_INFO("  Display Topology.\n");
 223         if (capabilities & SVGA_CAP_GMR)
 224                 DRM_INFO("  GMR.\n");
 225         if (capabilities & SVGA_CAP_TRACES)
 226                 DRM_INFO("  Traces.\n");
 227         if (capabilities & SVGA_CAP_GMR2)
 228                 DRM_INFO("  GMR2.\n");
 229         if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
 230                 DRM_INFO("  Screen Object 2.\n");
 231 }
 232
 233
 234 /**
 235  * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
 236  * the start of a buffer object.
 237  *
 238  * @dev_priv: The device private structure.
 239  *
 240  * This function will idle the buffer using an uninterruptible wait, then
 241  * map the first page and initialize a pending occlusion query result structure,
 242  * Finally it will unmap the buffer.
 243  *
 244  * TODO: Since we're only mapping a single page, we should optimize the map
 245  * to use kmap_atomic / iomap_atomic.
 246  */
 247 static void vmw_dummy_query_bo_prepare(struct vmw_private *dev_priv)
 248 {
 249         struct ttm_bo_kmap_obj map;
 250         volatile SVGA3dQueryResult *result;
 251         bool dummy;
 252         int ret;
 253         struct ttm_bo_device *bdev = &dev_priv->bdev;
 254         struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
 255
 256         ttm_bo_reserve(bo, false, false, false, 0);
 257         spin_lock(&bdev->fence_lock);
 258         ret = ttm_bo_wait(bo, false, false, false);
 259         spin_unlock(&bdev->fence_lock);
 260         if (unlikely(ret != 0))
 261                 (void) vmw_fallback_wait(dev_priv, false, true, 0, false,
 262                                          10*HZ);
 263
 264         ret = ttm_bo_kmap(bo, 0, 1, &map);
 265         if (likely(ret == 0)) {
 266                 result = ttm_kmap_obj_virtual(&map, &dummy);
 267                 result->totalSize = sizeof(*result);
 268                 result->state = SVGA3D_QUERYSTATE_PENDING;
 269                 result->result32 = 0xff;
 270                 ttm_bo_kunmap(&map);
 271         } else
 272                 DRM_ERROR("Dummy query buffer map failed.\n");
 273         ttm_bo_unreserve(bo);
 274 }
 275
 276
 277 /**
 278  * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
 279  *
 280  * @dev_priv: A device private structure.
 281  *
 282  * This function creates a small buffer object that holds the query
 283  * result for dummy queries emitted as query barriers.
 284  * No interruptible waits are done within this function.
 285  *
 286  * Returns an error if bo creation fails.
 287  */
 288 static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
 289 {
 290         return ttm_bo_create(&dev_priv->bdev,
 291                              PAGE_SIZE,
 292                              ttm_bo_type_device,
 293                              &vmw_vram_sys_placement,
 294                              0, 0, false, NULL,
 295                              &dev_priv->dummy_query_bo);
 296 }
 297
 298
 299 static int vmw_request_device(struct vmw_private *dev_priv)
 300 {
 301         int ret;
 302
 303         ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
 304         if (unlikely(ret != 0)) {
 305                 DRM_ERROR("Unable to initialize FIFO.\n");
 306                 return ret;
 307         }
 308         vmw_fence_fifo_up(dev_priv->fman);
 309         ret = vmw_dummy_query_bo_create(dev_priv);
 310         if (unlikely(ret != 0))
 311                 goto out_no_query_bo;
 312         vmw_dummy_query_bo_prepare(dev_priv);
 313
 314         return 0;
 315
 316 out_no_query_bo:
 317         vmw_fence_fifo_down(dev_priv->fman);
 318         vmw_fifo_release(dev_priv, &dev_priv->fifo);
 319         return ret;
 320 }
 321
 322 static void vmw_release_device(struct vmw_private *dev_priv)
 323 {
 324         /*
 325          * Previous destructions should've released
 326          * the pinned bo.
 327          */
 328
 329         BUG_ON(dev_priv->pinned_bo != NULL);
 330
 331         ttm_bo_unref(&dev_priv->dummy_query_bo);
 332         vmw_fence_fifo_down(dev_priv->fman);
 333         vmw_fifo_release(dev_priv, &dev_priv->fifo);
 334 }
 335
 336 /**
 337  * Increase the 3d resource refcount.
 338  * If the count was prevously zero, initialize the fifo, switching to svga
 339  * mode. Note that the master holds a ref as well, and may request an
 340  * explicit switch to svga mode if fb is not running, using @unhide_svga.
 341  */
 342 int vmw_3d_resource_inc(struct vmw_private *dev_priv,
 343                         bool unhide_svga)
 344 {
 345         int ret = 0;
 346
 347         mutex_lock(&dev_priv->release_mutex);
 348         if (unlikely(dev_priv->num_3d_resources++ == 0)) {
 349                 ret = vmw_request_device(dev_priv);
 350                 if (unlikely(ret != 0))
 351                         --dev_priv->num_3d_resources;
 352         } else if (unhide_svga) {
 353                 mutex_lock(&dev_priv->hw_mutex);
 354                 vmw_write(dev_priv, SVGA_REG_ENABLE,
 355                           vmw_read(dev_priv, SVGA_REG_ENABLE) &
 356                           ~SVGA_REG_ENABLE_HIDE);
 357                 mutex_unlock(&dev_priv->hw_mutex);
 358         }
 359
 360         mutex_unlock(&dev_priv->release_mutex);
 361         return ret;
 362 }
 363
 364 /**
 365  * Decrease the 3d resource refcount.
 366  * If the count reaches zero, disable the fifo, switching to vga mode.
 367  * Note that the master holds a refcount as well, and may request an
 368  * explicit switch to vga mode when it releases its refcount to account
 369  * for the situation of an X server vt switch to VGA with 3d resources
 370  * active.
 371  */
 372 void vmw_3d_resource_dec(struct vmw_private *dev_priv,
 373                          bool hide_svga)
 374 {
 375         int32_t n3d;
 376
 377         mutex_lock(&dev_priv->release_mutex);
 378         if (unlikely(--dev_priv->num_3d_resources == 0))
 379                 vmw_release_device(dev_priv);
 380         else if (hide_svga) {
 381                 mutex_lock(&dev_priv->hw_mutex);
 382                 vmw_write(dev_priv, SVGA_REG_ENABLE,
 383                           vmw_read(dev_priv, SVGA_REG_ENABLE) |
 384                           SVGA_REG_ENABLE_HIDE);
 385                 mutex_unlock(&dev_priv->hw_mutex);
 386         }
 387
 388         n3d = (int32_t) dev_priv->num_3d_resources;
 389         mutex_unlock(&dev_priv->release_mutex);
 390
 391         BUG_ON(n3d < 0);
 392 }
 393
 394 /**
 395  * Sets the initial_[width|height] fields on the given vmw_private.
 396  *
 397  * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
 398  * clamping the value to fb_max_[width|height] fields and the
 399  * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
 400  * If the values appear to be invalid, set them to
 401  * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
 402  */
 403 static void vmw_get_initial_size(struct vmw_private *dev_priv)
 404 {
 405         uint32_t width;
 406         uint32_t height;
 407
 408         width = vmw_read(dev_priv, SVGA_REG_WIDTH);
 409         height = vmw_read(dev_priv, SVGA_REG_HEIGHT);
 410
 411         width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH);
 412         height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT);
 413
 414         if (width > dev_priv->fb_max_width ||
 415             height > dev_priv->fb_max_height) {
 416
 417                 /*
 418                  * This is a host error and shouldn't occur.
 419                  */
 420
 421                 width = VMW_MIN_INITIAL_WIDTH;
 422                 height = VMW_MIN_INITIAL_HEIGHT;
 423         }
 424
 425         dev_priv->initial_width = width;
 426         dev_priv->initial_height = height;
 427 }
 428
 429 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 430 {
 431         struct vmw_private *dev_priv;
 432         int ret;
 433         uint32_t svga_id;
 434
 435         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 436         if (unlikely(dev_priv == NULL)) {
 437                 DRM_ERROR("Failed allocating a device private struct.\n");
 438                 return -ENOMEM;
 439         }
 440         memset(dev_priv, 0, sizeof(*dev_priv));
 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         dev_priv->fman = vmw_fence_manager_init(dev_priv);
 613         if (unlikely(dev_priv->fman == NULL))
 614                 goto out_no_fman;
 615
 616         /* Need to start the fifo to check if we can do screen objects */
 617         ret = vmw_3d_resource_inc(dev_priv, true);
 618         if (unlikely(ret != 0))
 619                 goto out_no_fifo;
 620         vmw_kms_save_vga(dev_priv);
 621
 622         /* Start kms and overlay systems, needs fifo. */
 623         ret = vmw_kms_init(dev_priv);
 624         if (unlikely(ret != 0))
 625                 goto out_no_kms;
 626         vmw_overlay_init(dev_priv);
 627
 628         /* 3D Depends on Screen Objects being used. */
 629         DRM_INFO("Detected %sdevice 3D availability.\n",
 630                  vmw_fifo_have_3d(dev_priv) ?
 631                  "" : "no ");
 632
 633         /* We might be done with the fifo now */
 634         if (dev_priv->enable_fb) {
 635                 vmw_fb_init(dev_priv);
 636         } else {
 637                 vmw_kms_restore_vga(dev_priv);
 638                 vmw_3d_resource_dec(dev_priv, true);
 639         }
 640
 641         if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
 642                 ret = drm_irq_install(dev);
 643                 if (unlikely(ret != 0)) {
 644                         DRM_ERROR("Failed installing irq: %d\n", ret);
 645                         goto out_no_irq;
 646                 }
 647         }
 648
 649         dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
 650         register_pm_notifier(&dev_priv->pm_nb);
 651
 652         return 0;
 653
 654 out_no_irq:
 655         if (dev_priv->enable_fb)
 656                 vmw_fb_close(dev_priv);
 657         vmw_overlay_close(dev_priv);
 658         vmw_kms_close(dev_priv);
 659 out_no_kms:
 660         /* We still have a 3D resource reference held */
 661         if (dev_priv->enable_fb) {
 662                 vmw_kms_restore_vga(dev_priv);
 663                 vmw_3d_resource_dec(dev_priv, false);
 664         }
 665 out_no_fifo:
 666         vmw_fence_manager_takedown(dev_priv->fman);
 667 out_no_fman:
 668         if (dev_priv->stealth)
 669                 pci_release_region(dev->pdev, 2);
 670         else
 671                 pci_release_regions(dev->pdev);
 672 out_no_device:
 673         ttm_object_device_release(&dev_priv->tdev);
 674 out_err4:
 675         iounmap(dev_priv->mmio_virt);
 676 out_err3:
 677         drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
 678                      dev_priv->mmio_size, DRM_MTRR_WC);
 679         if (dev_priv->has_gmr)
 680                 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
 681         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 682 out_err2:
 683         (void)ttm_bo_device_release(&dev_priv->bdev);
 684 out_err1:
 685         vmw_ttm_global_release(dev_priv);
 686 out_err0:
 687         idr_destroy(&dev_priv->surface_idr);
 688         idr_destroy(&dev_priv->context_idr);
 689         idr_destroy(&dev_priv->stream_idr);
 690         kfree(dev_priv);
 691         return ret;
 692 }
 693
 694 static int vmw_driver_unload(struct drm_device *dev)
 695 {
 696         struct vmw_private *dev_priv = vmw_priv(dev);
 697
 698         unregister_pm_notifier(&dev_priv->pm_nb);
 699
 700         if (dev_priv->ctx.cmd_bounce)
 701                 vfree(dev_priv->ctx.cmd_bounce);
 702         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
 703                 drm_irq_uninstall(dev_priv->dev);
 704         if (dev_priv->enable_fb) {
 705                 vmw_fb_close(dev_priv);
 706                 vmw_kms_restore_vga(dev_priv);
 707                 vmw_3d_resource_dec(dev_priv, false);
 708         }
 709         vmw_kms_close(dev_priv);
 710         vmw_overlay_close(dev_priv);
 711         vmw_fence_manager_takedown(dev_priv->fman);
 712         if (dev_priv->stealth)
 713                 pci_release_region(dev->pdev, 2);
 714         else
 715                 pci_release_regions(dev->pdev);
 716
 717         ttm_object_device_release(&dev_priv->tdev);
 718         iounmap(dev_priv->mmio_virt);
 719         drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
 720                      dev_priv->mmio_size, DRM_MTRR_WC);
 721         if (dev_priv->has_gmr)
 722                 (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
 723         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
 724         (void)ttm_bo_device_release(&dev_priv->bdev);
 725         vmw_ttm_global_release(dev_priv);
 726         idr_destroy(&dev_priv->surface_idr);
 727         idr_destroy(&dev_priv->context_idr);
 728         idr_destroy(&dev_priv->stream_idr);
 729
 730         kfree(dev_priv);
 731
 732         return 0;
 733 }
 734
 735 static void vmw_preclose(struct drm_device *dev,
 736                          struct drm_file *file_priv)
 737 {
 738         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 739         struct vmw_private *dev_priv = vmw_priv(dev);
 740
 741         vmw_event_fence_fpriv_gone(dev_priv->fman, &vmw_fp->fence_events);
 742 }
 743
 744 static void vmw_postclose(struct drm_device *dev,
 745                          struct drm_file *file_priv)
 746 {
 747         struct vmw_fpriv *vmw_fp;
 748
 749         vmw_fp = vmw_fpriv(file_priv);
 750         ttm_object_file_release(&vmw_fp->tfile);
 751         if (vmw_fp->locked_master)
 752                 drm_master_put(&vmw_fp->locked_master);
 753         kfree(vmw_fp);
 754 }
 755
 756 static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 757 {
 758         struct vmw_private *dev_priv = vmw_priv(dev);
 759         struct vmw_fpriv *vmw_fp;
 760         int ret = -ENOMEM;
 761
 762         vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
 763         if (unlikely(vmw_fp == NULL))
 764                 return ret;
 765
 766         INIT_LIST_HEAD(&vmw_fp->fence_events);
 767         vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
 768         if (unlikely(vmw_fp->tfile == NULL))
 769                 goto out_no_tfile;
 770
 771         file_priv->driver_priv = vmw_fp;
 772
 773         if (unlikely(dev_priv->bdev.dev_mapping == NULL))
 774                 dev_priv->bdev.dev_mapping =
 775                         file_priv->filp->f_path.dentry->d_inode->i_mapping;
 776
 777         return 0;
 778
 779 out_no_tfile:
 780         kfree(vmw_fp);
 781         return ret;
 782 }
 783
 784 static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
 785                                unsigned long arg)
 786 {
 787         struct drm_file *file_priv = filp->private_data;
 788         struct drm_device *dev = file_priv->minor->dev;
 789         unsigned int nr = DRM_IOCTL_NR(cmd);
 790
 791         /*
 792          * Do extra checking on driver private ioctls.
 793          */
 794
 795         if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
 796             && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
 797                 struct drm_ioctl_desc *ioctl =
 798                     &vmw_ioctls[nr - DRM_COMMAND_BASE];
 799
 800                 if (unlikely(ioctl->cmd_drv != cmd)) {
 801                         DRM_ERROR("Invalid command format, ioctl %d\n",
 802                                   nr - DRM_COMMAND_BASE);
 803                         return -EINVAL;
 804                 }
 805         }
 806
 807         return drm_ioctl(filp, cmd, arg);
 808 }
 809
 810 static int vmw_firstopen(struct drm_device *dev)
 811 {
 812         struct vmw_private *dev_priv = vmw_priv(dev);
 813         dev_priv->is_opened = true;
 814
 815         return 0;
 816 }
 817
 818 static void vmw_lastclose(struct drm_device *dev)
 819 {
 820         struct vmw_private *dev_priv = vmw_priv(dev);
 821         struct drm_crtc *crtc;
 822         struct drm_mode_set set;
 823         int ret;
 824
 825         /**
 826          * Do nothing on the lastclose call from drm_unload.
 827          */
 828
 829         if (!dev_priv->is_opened)
 830                 return;
 831
 832         dev_priv->is_opened = false;
 833         set.x = 0;
 834         set.y = 0;
 835         set.fb = NULL;
 836         set.mode = NULL;
 837         set.connectors = NULL;
 838         set.num_connectors = 0;
 839
 840         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 841                 set.crtc = crtc;
 842                 ret = crtc->funcs->set_config(&set);
 843                 WARN_ON(ret != 0);
 844         }
 845
 846 }
 847
 848 static void vmw_master_init(struct vmw_master *vmaster)
 849 {
 850         ttm_lock_init(&vmaster->lock);
 851         INIT_LIST_HEAD(&vmaster->fb_surf);
 852         mutex_init(&vmaster->fb_surf_mutex);
 853 }
 854
 855 static int vmw_master_create(struct drm_device *dev,
 856                              struct drm_master *master)
 857 {
 858         struct vmw_master *vmaster;
 859
 860         vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
 861         if (unlikely(vmaster == NULL))
 862                 return -ENOMEM;
 863
 864         vmw_master_init(vmaster);
 865         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 866         master->driver_priv = vmaster;
 867
 868         return 0;
 869 }
 870
 871 static void vmw_master_destroy(struct drm_device *dev,
 872                                struct drm_master *master)
 873 {
 874         struct vmw_master *vmaster = vmw_master(master);
 875
 876         master->driver_priv = NULL;
 877         kfree(vmaster);
 878 }
 879
 880
 881 static int vmw_master_set(struct drm_device *dev,
 882                           struct drm_file *file_priv,
 883                           bool from_open)
 884 {
 885         struct vmw_private *dev_priv = vmw_priv(dev);
 886         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 887         struct vmw_master *active = dev_priv->active_master;
 888         struct vmw_master *vmaster = vmw_master(file_priv->master);
 889         int ret = 0;
 890
 891         if (!dev_priv->enable_fb) {
 892                 ret = vmw_3d_resource_inc(dev_priv, true);
 893                 if (unlikely(ret != 0))
 894                         return ret;
 895                 vmw_kms_save_vga(dev_priv);
 896                 mutex_lock(&dev_priv->hw_mutex);
 897                 vmw_write(dev_priv, SVGA_REG_TRACES, 0);
 898                 mutex_unlock(&dev_priv->hw_mutex);
 899         }
 900
 901         if (active) {
 902                 BUG_ON(active != &dev_priv->fbdev_master);
 903                 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
 904                 if (unlikely(ret != 0))
 905                         goto out_no_active_lock;
 906
 907                 ttm_lock_set_kill(&active->lock, true, SIGTERM);
 908                 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
 909                 if (unlikely(ret != 0)) {
 910                         DRM_ERROR("Unable to clean VRAM on "
 911                                   "master drop.\n");
 912                 }
 913
 914                 dev_priv->active_master = NULL;
 915         }
 916
 917         ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
 918         if (!from_open) {
 919                 ttm_vt_unlock(&vmaster->lock);
 920                 BUG_ON(vmw_fp->locked_master != file_priv->master);
 921                 drm_master_put(&vmw_fp->locked_master);
 922         }
 923
 924         dev_priv->active_master = vmaster;
 925
 926         return 0;
 927
 928 out_no_active_lock:
 929         if (!dev_priv->enable_fb) {
 930                 mutex_lock(&dev_priv->hw_mutex);
 931                 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
 932                 mutex_unlock(&dev_priv->hw_mutex);
 933                 vmw_kms_restore_vga(dev_priv);
 934                 vmw_3d_resource_dec(dev_priv, true);
 935         }
 936         return ret;
 937 }
 938
 939 static void vmw_master_drop(struct drm_device *dev,
 940                             struct drm_file *file_priv,
 941                             bool from_release)
 942 {
 943         struct vmw_private *dev_priv = vmw_priv(dev);
 944         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
 945         struct vmw_master *vmaster = vmw_master(file_priv->master);
 946         int ret;
 947
 948         /**
 949          * Make sure the master doesn't disappear while we have
 950          * it locked.
 951          */
 952
 953         vmw_fp->locked_master = drm_master_get(file_priv->master);
 954         ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
 955         vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
 956
 957         if (unlikely((ret != 0))) {
 958                 DRM_ERROR("Unable to lock TTM at VT switch.\n");
 959                 drm_master_put(&vmw_fp->locked_master);
 960         }
 961
 962         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 963
 964         if (!dev_priv->enable_fb) {
 965                 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
 966                 if (unlikely(ret != 0))
 967                         DRM_ERROR("Unable to clean VRAM on master drop.\n");
 968                 mutex_lock(&dev_priv->hw_mutex);
 969                 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
 970                 mutex_unlock(&dev_priv->hw_mutex);
 971                 vmw_kms_restore_vga(dev_priv);
 972                 vmw_3d_resource_dec(dev_priv, true);
 973         }
 974
 975         dev_priv->active_master = &dev_priv->fbdev_master;
 976         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
 977         ttm_vt_unlock(&dev_priv->fbdev_master.lock);
 978
 979         if (dev_priv->enable_fb)
 980                 vmw_fb_on(dev_priv);
 981 }
 982
 983
 984 static void vmw_remove(struct pci_dev *pdev)
 985 {
 986         struct drm_device *dev = pci_get_drvdata(pdev);
 987
 988         drm_put_dev(dev);
 989 }
 990
 991 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 992                               void *ptr)
 993 {
 994         struct vmw_private *dev_priv =
 995                 container_of(nb, struct vmw_private, pm_nb);
 996         struct vmw_master *vmaster = dev_priv->active_master;
 997
 998         switch (val) {
 999         case PM_HIBERNATION_PREPARE:
1000         case PM_SUSPEND_PREPARE:
1001                 ttm_suspend_lock(&vmaster->lock);
1002
1003                 /**
1004                  * This empties VRAM and unbinds all GMR bindings.
1005                  * Buffer contents is moved to swappable memory.
1006                  */
1007                 vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
1008                 ttm_bo_swapout_all(&dev_priv->bdev);
1009
1010                 break;
1011         case PM_POST_HIBERNATION:
1012         case PM_POST_SUSPEND:
1013         case PM_POST_RESTORE:
1014                 ttm_suspend_unlock(&vmaster->lock);
1015
1016                 break;
1017         case PM_RESTORE_PREPARE:
1018                 break;
1019         default:
1020                 break;
1021         }
1022         return 0;
1023 }
1024
1025 /**
1026  * These might not be needed with the virtual SVGA device.
1027  */
1028
1029 static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1030 {
1031         struct drm_device *dev = pci_get_drvdata(pdev);
1032         struct vmw_private *dev_priv = vmw_priv(dev);
1033
1034         if (dev_priv->num_3d_resources != 0) {
1035                 DRM_INFO("Can't suspend or hibernate "
1036                          "while 3D resources are active.\n");
1037                 return -EBUSY;
1038         }
1039
1040         pci_save_state(pdev);
1041         pci_disable_device(pdev);
1042         pci_set_power_state(pdev, PCI_D3hot);
1043         return 0;
1044 }
1045
1046 static int vmw_pci_resume(struct pci_dev *pdev)
1047 {
1048         pci_set_power_state(pdev, PCI_D0);
1049         pci_restore_state(pdev);
1050         return pci_enable_device(pdev);
1051 }
1052
1053 static int vmw_pm_suspend(struct device *kdev)
1054 {
1055         struct pci_dev *pdev = to_pci_dev(kdev);
1056         struct pm_message dummy;
1057
1058         dummy.event = 0;
1059
1060         return vmw_pci_suspend(pdev, dummy);
1061 }
1062
1063 static int vmw_pm_resume(struct device *kdev)
1064 {
1065         struct pci_dev *pdev = to_pci_dev(kdev);
1066
1067         return vmw_pci_resume(pdev);
1068 }
1069
1070 static int vmw_pm_prepare(struct device *kdev)
1071 {
1072         struct pci_dev *pdev = to_pci_dev(kdev);
1073         struct drm_device *dev = pci_get_drvdata(pdev);
1074         struct vmw_private *dev_priv = vmw_priv(dev);
1075
1076         /**
1077          * Release 3d reference held by fbdev and potentially
1078          * stop fifo.
1079          */
1080         dev_priv->suspended = true;
1081         if (dev_priv->enable_fb)
1082                         vmw_3d_resource_dec(dev_priv, true);
1083
1084         if (dev_priv->num_3d_resources != 0) {
1085
1086                 DRM_INFO("Can't suspend or hibernate "
1087                          "while 3D resources are active.\n");
1088
1089                 if (dev_priv->enable_fb)
1090                         vmw_3d_resource_inc(dev_priv, true);
1091                 dev_priv->suspended = false;
1092                 return -EBUSY;
1093         }
1094
1095         return 0;
1096 }
1097
1098 static void vmw_pm_complete(struct device *kdev)
1099 {
1100         struct pci_dev *pdev = to_pci_dev(kdev);
1101         struct drm_device *dev = pci_get_drvdata(pdev);
1102         struct vmw_private *dev_priv = vmw_priv(dev);
1103
1104         /**
1105          * Reclaim 3d reference held by fbdev and potentially
1106          * start fifo.
1107          */
1108         if (dev_priv->enable_fb)
1109                         vmw_3d_resource_inc(dev_priv, false);
1110
1111         dev_priv->suspended = false;
1112 }
1113
1114 static const struct dev_pm_ops vmw_pm_ops = {
1115         .prepare = vmw_pm_prepare,
1116         .complete = vmw_pm_complete,
1117         .suspend = vmw_pm_suspend,
1118         .resume = vmw_pm_resume,
1119 };
1120
1121 static const struct file_operations vmwgfx_driver_fops = {
1122         .owner = THIS_MODULE,
1123         .open = drm_open,
1124         .release = drm_release,
1125         .unlocked_ioctl = vmw_unlocked_ioctl,
1126         .mmap = vmw_mmap,
1127         .poll = vmw_fops_poll,
1128         .read = vmw_fops_read,
1129         .fasync = drm_fasync,
1130 #if defined(CONFIG_COMPAT)
1131         .compat_ioctl = drm_compat_ioctl,
1132 #endif
1133         .llseek = noop_llseek,
1134 };
1135
1136 static struct drm_driver driver = {
1137         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
1138         DRIVER_MODESET,
1139         .load = vmw_driver_load,
1140         .unload = vmw_driver_unload,
1141         .firstopen = vmw_firstopen,
1142         .lastclose = vmw_lastclose,
1143         .irq_preinstall = vmw_irq_preinstall,
1144         .irq_postinstall = vmw_irq_postinstall,
1145         .irq_uninstall = vmw_irq_uninstall,
1146         .irq_handler = vmw_irq_handler,
1147         .get_vblank_counter = vmw_get_vblank_counter,
1148         .enable_vblank = vmw_enable_vblank,
1149         .disable_vblank = vmw_disable_vblank,
1150         .ioctls = vmw_ioctls,
1151         .num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
1152         .dma_quiescent = NULL,  /*vmw_dma_quiescent, */
1153         .master_create = vmw_master_create,
1154         .master_destroy = vmw_master_destroy,
1155         .master_set = vmw_master_set,
1156         .master_drop = vmw_master_drop,
1157         .open = vmw_driver_open,
1158         .preclose = vmw_preclose,
1159         .postclose = vmw_postclose,
1160         .fops = &vmwgfx_driver_fops,
1161         .name = VMWGFX_DRIVER_NAME,
1162         .desc = VMWGFX_DRIVER_DESC,
1163         .date = VMWGFX_DRIVER_DATE,
1164         .major = VMWGFX_DRIVER_MAJOR,
1165         .minor = VMWGFX_DRIVER_MINOR,
1166         .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
1167 };
1168
1169 static struct pci_driver vmw_pci_driver = {
1170         .name = VMWGFX_DRIVER_NAME,
1171         .id_table = vmw_pci_id_list,
1172         .probe = vmw_probe,
1173         .remove = vmw_remove,
1174         .driver = {
1175                 .pm = &vmw_pm_ops
1176         }
1177 };
1178
1179 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1180 {
1181         return drm_get_pci_dev(pdev, ent, &driver);
1182 }
1183
1184 static int __init vmwgfx_init(void)
1185 {
1186         int ret;
1187         ret = drm_pci_init(&driver, &vmw_pci_driver);
1188         if (ret)
1189                 DRM_ERROR("Failed initializing DRM.\n");
1190         return ret;
1191 }
1192
1193 static void __exit vmwgfx_exit(void)
1194 {
1195         drm_pci_exit(&driver, &vmw_pci_driver);
1196 }
1197
1198 module_init(vmwgfx_init);
1199 module_exit(vmwgfx_exit);
1200
1201 MODULE_AUTHOR("VMware Inc. and others");
1202 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1203 MODULE_LICENSE("GPL and additional rights");
1204 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "."
1205                __stringify(VMWGFX_DRIVER_MINOR) "."
1206                __stringify(VMWGFX_DRIVER_PATCHLEVEL) "."
1207                "0");