drivers/gpu/drm/vmwgfx/vmwgfx_kms.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
  28 #include "vmwgfx_kms.h"
  29
  30
  31 /* Might need a hrtimer here? */
  32 #define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
  33
  34
  35 struct vmw_clip_rect {
  36         int x1, x2, y1, y2;
  37 };
  38
  39 /**
  40  * Clip @num_rects number of @rects against @clip storing the
  41  * results in @out_rects and the number of passed rects in @out_num.
  42  */
  43 void vmw_clip_cliprects(struct drm_clip_rect *rects,
  44                         int num_rects,
  45                         struct vmw_clip_rect clip,
  46                         SVGASignedRect *out_rects,
  47                         int *out_num)
  48 {
  49         int i, k;
  50
  51         for (i = 0, k = 0; i < num_rects; i++) {
  52                 int x1 = max_t(int, clip.x1, rects[i].x1);
  53                 int y1 = max_t(int, clip.y1, rects[i].y1);
  54                 int x2 = min_t(int, clip.x2, rects[i].x2);
  55                 int y2 = min_t(int, clip.y2, rects[i].y2);
  56
  57                 if (x1 >= x2)
  58                         continue;
  59                 if (y1 >= y2)
  60                         continue;
  61
  62                 out_rects[k].left   = x1;
  63                 out_rects[k].top    = y1;
  64                 out_rects[k].right  = x2;
  65                 out_rects[k].bottom = y2;
  66                 k++;
  67         }
  68
  69         *out_num = k;
  70 }
  71
  72 void vmw_display_unit_cleanup(struct vmw_display_unit *du)
  73 {
  74         if (du->cursor_surface)
  75                 vmw_surface_unreference(&du->cursor_surface);
  76         if (du->cursor_dmabuf)
  77                 vmw_dmabuf_unreference(&du->cursor_dmabuf);
  78         drm_crtc_cleanup(&du->crtc);
  79         drm_encoder_cleanup(&du->encoder);
  80         drm_connector_cleanup(&du->connector);
  81 }
  82
  83 /*
  84  * Display Unit Cursor functions
  85  */
  86
  87 int vmw_cursor_update_image(struct vmw_private *dev_priv,
  88                             u32 *image, u32 width, u32 height,
  89                             u32 hotspotX, u32 hotspotY)
  90 {
  91         struct {
  92                 u32 cmd;
  93                 SVGAFifoCmdDefineAlphaCursor cursor;
  94         } *cmd;
  95         u32 image_size = width * height * 4;
  96         u32 cmd_size = sizeof(*cmd) + image_size;
  97
  98         if (!image)
  99                 return -EINVAL;
 100
 101         cmd = vmw_fifo_reserve(dev_priv, cmd_size);
 102         if (unlikely(cmd == NULL)) {
 103                 DRM_ERROR("Fifo reserve failed.\n");
 104                 return -ENOMEM;
 105         }
 106
 107         memset(cmd, 0, sizeof(*cmd));
 108
 109         memcpy(&cmd[1], image, image_size);
 110
 111         cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
 112         cmd->cursor.id = cpu_to_le32(0);
 113         cmd->cursor.width = cpu_to_le32(width);
 114         cmd->cursor.height = cpu_to_le32(height);
 115         cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
 116         cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
 117
 118         vmw_fifo_commit(dev_priv, cmd_size);
 119
 120         return 0;
 121 }
 122
 123 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
 124                              struct vmw_dma_buffer *dmabuf,
 125                              u32 width, u32 height,
 126                              u32 hotspotX, u32 hotspotY)
 127 {
 128         struct ttm_bo_kmap_obj map;
 129         unsigned long kmap_offset;
 130         unsigned long kmap_num;
 131         void *virtual;
 132         bool dummy;
 133         int ret;
 134
 135         kmap_offset = 0;
 136         kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
 137
 138         ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
 139         if (unlikely(ret != 0)) {
 140                 DRM_ERROR("reserve failed\n");
 141                 return -EINVAL;
 142         }
 143
 144         ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
 145         if (unlikely(ret != 0))
 146                 goto err_unreserve;
 147
 148         virtual = ttm_kmap_obj_virtual(&map, &dummy);
 149         ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
 150                                       hotspotX, hotspotY);
 151
 152         ttm_bo_kunmap(&map);
 153 err_unreserve:
 154         ttm_bo_unreserve(&dmabuf->base);
 155
 156         return ret;
 157 }
 158
 159
 160 void vmw_cursor_update_position(struct vmw_private *dev_priv,
 161                                 bool show, int x, int y)
 162 {
 163         __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
 164         uint32_t count;
 165
 166         iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
 167         iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
 168         iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
 169         count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
 170         iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
 171 }
 172
 173 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 174                            uint32_t handle, uint32_t width, uint32_t height)
 175 {
 176         struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 177         struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
 178         struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
 179         struct vmw_surface *surface = NULL;
 180         struct vmw_dma_buffer *dmabuf = NULL;
 181         int ret;
 182
 183         /* A lot of the code assumes this */
 184         if (handle && (width != 64 || height != 64))
 185                 return -EINVAL;
 186
 187         if (handle) {
 188                 ret = vmw_user_lookup_handle(dev_priv, tfile,
 189                                              handle, &surface, &dmabuf);
 190                 if (ret) {
 191                         DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
 192                         return -EINVAL;
 193                 }
 194         }
 195
 196         /* need to do this before taking down old image */
 197         if (surface && !surface->snooper.image) {
 198                 DRM_ERROR("surface not suitable for cursor\n");
 199                 vmw_surface_unreference(&surface);
 200                 return -EINVAL;
 201         }
 202
 203         /* takedown old cursor */
 204         if (du->cursor_surface) {
 205                 du->cursor_surface->snooper.crtc = NULL;
 206                 vmw_surface_unreference(&du->cursor_surface);
 207         }
 208         if (du->cursor_dmabuf)
 209                 vmw_dmabuf_unreference(&du->cursor_dmabuf);
 210
 211         /* setup new image */
 212         if (surface) {
 213                 /* vmw_user_surface_lookup takes one reference */
 214                 du->cursor_surface = surface;
 215
 216                 du->cursor_surface->snooper.crtc = crtc;
 217                 du->cursor_age = du->cursor_surface->snooper.age;
 218                 vmw_cursor_update_image(dev_priv, surface->snooper.image,
 219                                         64, 64, du->hotspot_x, du->hotspot_y);
 220         } else if (dmabuf) {
 221                 /* vmw_user_surface_lookup takes one reference */
 222                 du->cursor_dmabuf = dmabuf;
 223
 224                 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
 225                                                du->hotspot_x, du->hotspot_y);
 226         } else {
 227                 vmw_cursor_update_position(dev_priv, false, 0, 0);
 228                 return 0;
 229         }
 230
 231         vmw_cursor_update_position(dev_priv, true,
 232                                    du->cursor_x + du->hotspot_x,
 233                                    du->cursor_y + du->hotspot_y);
 234
 235         return 0;
 236 }
 237
 238 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 239 {
 240         struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 241         struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
 242         bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
 243
 244         du->cursor_x = x + crtc->x;
 245         du->cursor_y = y + crtc->y;
 246
 247         vmw_cursor_update_position(dev_priv, shown,
 248                                    du->cursor_x + du->hotspot_x,
 249                                    du->cursor_y + du->hotspot_y);
 250
 251         return 0;
 252 }
 253
 254 void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 255                           struct ttm_object_file *tfile,
 256                           struct ttm_buffer_object *bo,
 257                           SVGA3dCmdHeader *header)
 258 {
 259         struct ttm_bo_kmap_obj map;
 260         unsigned long kmap_offset;
 261         unsigned long kmap_num;
 262         SVGA3dCopyBox *box;
 263         unsigned box_count;
 264         void *virtual;
 265         bool dummy;
 266         struct vmw_dma_cmd {
 267                 SVGA3dCmdHeader header;
 268                 SVGA3dCmdSurfaceDMA dma;
 269         } *cmd;
 270         int i, ret;
 271
 272         cmd = container_of(header, struct vmw_dma_cmd, header);
 273
 274         /* No snooper installed */
 275         if (!srf->snooper.image)
 276                 return;
 277
 278         if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
 279                 DRM_ERROR("face and mipmap for cursors should never != 0\n");
 280                 return;
 281         }
 282
 283         if (cmd->header.size < 64) {
 284                 DRM_ERROR("at least one full copy box must be given\n");
 285                 return;
 286         }
 287
 288         box = (SVGA3dCopyBox *)&cmd[1];
 289         box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
 290                         sizeof(SVGA3dCopyBox);
 291
 292         if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
 293             box->x != 0    || box->y != 0    || box->z != 0    ||
 294             box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
 295             box->d != 1    || box_count != 1) {
 296                 /* TODO handle none page aligned offsets */
 297                 /* TODO handle more dst & src != 0 */
 298                 /* TODO handle more then one copy */
 299                 DRM_ERROR("Cant snoop dma request for cursor!\n");
 300                 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
 301                           box->srcx, box->srcy, box->srcz,
 302                           box->x, box->y, box->z,
 303                           box->w, box->h, box->d, box_count,
 304                           cmd->dma.guest.ptr.offset);
 305                 return;
 306         }
 307
 308         kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
 309         kmap_num = (64*64*4) >> PAGE_SHIFT;
 310
 311         ret = ttm_bo_reserve(bo, true, false, false, 0);
 312         if (unlikely(ret != 0)) {
 313                 DRM_ERROR("reserve failed\n");
 314                 return;
 315         }
 316
 317         ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
 318         if (unlikely(ret != 0))
 319                 goto err_unreserve;
 320
 321         virtual = ttm_kmap_obj_virtual(&map, &dummy);
 322
 323         if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
 324                 memcpy(srf->snooper.image, virtual, 64*64*4);
 325         } else {
 326                 /* Image is unsigned pointer. */
 327                 for (i = 0; i < box->h; i++)
 328                         memcpy(srf->snooper.image + i * 64,
 329                                virtual + i * cmd->dma.guest.pitch,
 330                                box->w * 4);
 331         }
 332
 333         srf->snooper.age++;
 334
 335         /* we can't call this function from this function since execbuf has
 336          * reserved fifo space.
 337          *
 338          * if (srf->snooper.crtc)
 339          *      vmw_ldu_crtc_cursor_update_image(dev_priv,
 340          *                                       srf->snooper.image, 64, 64,
 341          *                                       du->hotspot_x, du->hotspot_y);
 342          */
 343
 344         ttm_bo_kunmap(&map);
 345 err_unreserve:
 346         ttm_bo_unreserve(bo);
 347 }
 348
 349 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
 350 {
 351         struct drm_device *dev = dev_priv->dev;
 352         struct vmw_display_unit *du;
 353         struct drm_crtc *crtc;
 354
 355         mutex_lock(&dev->mode_config.mutex);
 356
 357         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 358                 du = vmw_crtc_to_du(crtc);
 359                 if (!du->cursor_surface ||
 360                     du->cursor_age == du->cursor_surface->snooper.age)
 361                         continue;
 362
 363                 du->cursor_age = du->cursor_surface->snooper.age;
 364                 vmw_cursor_update_image(dev_priv,
 365                                         du->cursor_surface->snooper.image,
 366                                         64, 64, du->hotspot_x, du->hotspot_y);
 367         }
 368
 369         mutex_unlock(&dev->mode_config.mutex);
 370 }
 371
 372 /*
 373  * Generic framebuffer code
 374  */
 375
 376 int vmw_framebuffer_create_handle(struct drm_framebuffer *fb,
 377                                   struct drm_file *file_priv,
 378                                   unsigned int *handle)
 379 {
 380         if (handle)
 381                 handle = 0;
 382
 383         return 0;
 384 }
 385
 386 /*
 387  * Surface framebuffer code
 388  */
 389
 390 #define vmw_framebuffer_to_vfbs(x) \
 391         container_of(x, struct vmw_framebuffer_surface, base.base)
 392
 393 struct vmw_framebuffer_surface {
 394         struct vmw_framebuffer base;
 395         struct vmw_surface *surface;
 396         struct vmw_dma_buffer *buffer;
 397         struct list_head head;
 398         struct drm_master *master;
 399 };
 400
 401 void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
 402 {
 403         struct vmw_framebuffer_surface *vfbs =
 404                 vmw_framebuffer_to_vfbs(framebuffer);
 405         struct vmw_master *vmaster = vmw_master(vfbs->master);
 406
 407
 408         mutex_lock(&vmaster->fb_surf_mutex);
 409         list_del(&vfbs->head);
 410         mutex_unlock(&vmaster->fb_surf_mutex);
 411
 412         drm_master_put(&vfbs->master);
 413         drm_framebuffer_cleanup(framebuffer);
 414         vmw_surface_unreference(&vfbs->surface);
 415         ttm_base_object_unref(&vfbs->base.user_obj);
 416
 417         kfree(vfbs);
 418 }
 419
 420 static int do_surface_dirty_sou(struct vmw_private *dev_priv,
 421                                 struct drm_file *file_priv,
 422                                 struct vmw_framebuffer *framebuffer,
 423                                 unsigned flags, unsigned color,
 424                                 struct drm_clip_rect *clips,
 425                                 unsigned num_clips, int inc)
 426 {
 427         struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
 428         struct drm_clip_rect *clips_ptr;
 429         struct drm_clip_rect *tmp;
 430         struct drm_crtc *crtc;
 431         size_t fifo_size;
 432         int i, num_units;
 433         int ret = 0; /* silence warning */
 434         int left, right, top, bottom;
 435
 436         struct {
 437                 SVGA3dCmdHeader header;
 438                 SVGA3dCmdBlitSurfaceToScreen body;
 439         } *cmd;
 440         SVGASignedRect *blits;
 441
 442         num_units = 0;
 443         list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
 444                             head) {
 445                 if (crtc->fb != &framebuffer->base)
 446                         continue;
 447                 units[num_units++] = vmw_crtc_to_du(crtc);
 448         }
 449
 450         BUG_ON(!clips || !num_clips);
 451
 452         tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
 453         if (unlikely(tmp == NULL)) {
 454                 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
 455                 return -ENOMEM;
 456         }
 457
 458         fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
 459         cmd = kzalloc(fifo_size, GFP_KERNEL);
 460         if (unlikely(cmd == NULL)) {
 461                 DRM_ERROR("Temporary fifo memory alloc failed.\n");
 462                 ret = -ENOMEM;
 463                 goto out_free_tmp;
 464         }
 465
 466         /* setup blits pointer */
 467         blits = (SVGASignedRect *)&cmd[1];
 468
 469         /* initial clip region */
 470         left = clips->x1;
 471         right = clips->x2;
 472         top = clips->y1;
 473         bottom = clips->y2;
 474
 475         /* skip the first clip rect */
 476         for (i = 1, clips_ptr = clips + inc;
 477              i < num_clips; i++, clips_ptr += inc) {
 478                 left = min_t(int, left, (int)clips_ptr->x1);
 479                 right = max_t(int, right, (int)clips_ptr->x2);
 480                 top = min_t(int, top, (int)clips_ptr->y1);
 481                 bottom = max_t(int, bottom, (int)clips_ptr->y2);
 482         }
 483
 484         /* only need to do this once */
 485         memset(cmd, 0, fifo_size);
 486         cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
 487         cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 488
 489         cmd->body.srcRect.left = left;
 490         cmd->body.srcRect.right = right;
 491         cmd->body.srcRect.top = top;
 492         cmd->body.srcRect.bottom = bottom;
 493
 494         clips_ptr = clips;
 495         for (i = 0; i < num_clips; i++, clips_ptr += inc) {
 496                 tmp[i].x1 = clips_ptr->x1 - left;
 497                 tmp[i].x2 = clips_ptr->x2 - left;
 498                 tmp[i].y1 = clips_ptr->y1 - top;
 499                 tmp[i].y2 = clips_ptr->y2 - top;
 500         }
 501
 502         /* do per unit writing, reuse fifo for each */
 503         for (i = 0; i < num_units; i++) {
 504                 struct vmw_display_unit *unit = units[i];
 505                 struct vmw_clip_rect clip;
 506                 int num;
 507
 508                 clip.x1 = left - unit->crtc.x;
 509                 clip.y1 = top - unit->crtc.y;
 510                 clip.x2 = right - unit->crtc.x;
 511                 clip.y2 = bottom - unit->crtc.y;
 512
 513                 /* skip any crtcs that misses the clip region */
 514                 if (clip.x1 >= unit->crtc.mode.hdisplay ||
 515                     clip.y1 >= unit->crtc.mode.vdisplay ||
 516                     clip.x2 <= 0 || clip.y2 <= 0)
 517                         continue;
 518
 519                 /*
 520                  * In order for the clip rects to be correctly scaled
 521                  * the src and dest rects needs to be the same size.
 522                  */
 523                 cmd->body.destRect.left = clip.x1;
 524                 cmd->body.destRect.right = clip.x2;
 525                 cmd->body.destRect.top = clip.y1;
 526                 cmd->body.destRect.bottom = clip.y2;
 527
 528                 /* create a clip rect of the crtc in dest coords */
 529                 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
 530                 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
 531                 clip.x1 = 0 - clip.x1;
 532                 clip.y1 = 0 - clip.y1;
 533
 534                 /* need to reset sid as it is changed by execbuf */
 535                 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
 536                 cmd->body.destScreenId = unit->unit;
 537
 538                 /* clip and write blits to cmd stream */
 539                 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
 540
 541                 /* if no cliprects hit skip this */
 542                 if (num == 0)
 543                         continue;
 544
 545
 546                 /* recalculate package length */
 547                 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
 548                 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
 549                 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
 550                                           fifo_size, 0, NULL);
 551
 552                 if (unlikely(ret != 0))
 553                         break;
 554         }
 555
 556
 557         kfree(cmd);
 558 out_free_tmp:
 559         kfree(tmp);
 560
 561         return ret;
 562 }
 563
 564 int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
 565                                   struct drm_file *file_priv,
 566                                   unsigned flags, unsigned color,
 567                                   struct drm_clip_rect *clips,
 568                                   unsigned num_clips)
 569 {
 570         struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
 571         struct vmw_master *vmaster = vmw_master(file_priv->master);
 572         struct vmw_framebuffer_surface *vfbs =
 573                 vmw_framebuffer_to_vfbs(framebuffer);
 574         struct drm_clip_rect norect;
 575         int ret, inc = 1;
 576
 577         if (unlikely(vfbs->master != file_priv->master))
 578                 return -EINVAL;
 579
 580         /* Require ScreenObject support for 3D */
 581         if (!dev_priv->sou_priv)
 582                 return -EINVAL;
 583
 584         ret = ttm_read_lock(&vmaster->lock, true);
 585         if (unlikely(ret != 0))
 586                 return ret;
 587
 588         if (!num_clips) {
 589                 num_clips = 1;
 590                 clips = &norect;
 591                 norect.x1 = norect.y1 = 0;
 592                 norect.x2 = framebuffer->width;
 593                 norect.y2 = framebuffer->height;
 594         } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
 595                 num_clips /= 2;
 596                 inc = 2; /* skip source rects */
 597         }
 598
 599         ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
 600                                    flags, color,
 601                                    clips, num_clips, inc);
 602
 603         ttm_read_unlock(&vmaster->lock);
 604         return 0;
 605 }
 606
 607 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
 608         .destroy = vmw_framebuffer_surface_destroy,
 609         .dirty = vmw_framebuffer_surface_dirty,
 610         .create_handle = vmw_framebuffer_create_handle,
 611 };
 612
 613 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
 614                                            struct drm_file *file_priv,
 615                                            struct vmw_surface *surface,
 616                                            struct vmw_framebuffer **out,
 617                                            const struct drm_mode_fb_cmd
 618                                            *mode_cmd)
 619
 620 {
 621         struct drm_device *dev = dev_priv->dev;
 622         struct vmw_framebuffer_surface *vfbs;
 623         enum SVGA3dSurfaceFormat format;
 624         struct vmw_master *vmaster = vmw_master(file_priv->master);
 625         int ret;
 626
 627         /* 3D is only supported on HWv8 hosts which supports screen objects */
 628         if (!dev_priv->sou_priv)
 629                 return -ENOSYS;
 630
 631         /*
 632          * Sanity checks.
 633          */
 634
 635         /* Surface must be marked as a scanout. */
 636         if (unlikely(!surface->scanout))
 637                 return -EINVAL;
 638
 639         if (unlikely(surface->mip_levels[0] != 1 ||
 640                      surface->num_sizes != 1 ||
 641                      surface->sizes[0].width < mode_cmd->width ||
 642                      surface->sizes[0].height < mode_cmd->height ||
 643                      surface->sizes[0].depth != 1)) {
 644                 DRM_ERROR("Incompatible surface dimensions "
 645                           "for requested mode.\n");
 646                 return -EINVAL;
 647         }
 648
 649         switch (mode_cmd->depth) {
 650         case 32:
 651                 format = SVGA3D_A8R8G8B8;
 652                 break;
 653         case 24:
 654                 format = SVGA3D_X8R8G8B8;
 655                 break;
 656         case 16:
 657                 format = SVGA3D_R5G6B5;
 658                 break;
 659         case 15:
 660                 format = SVGA3D_A1R5G5B5;
 661                 break;
 662         case 8:
 663                 format = SVGA3D_LUMINANCE8;
 664                 break;
 665         default:
 666                 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
 667                 return -EINVAL;
 668         }
 669
 670         if (unlikely(format != surface->format)) {
 671                 DRM_ERROR("Invalid surface format for requested mode.\n");
 672                 return -EINVAL;
 673         }
 674
 675         vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
 676         if (!vfbs) {
 677                 ret = -ENOMEM;
 678                 goto out_err1;
 679         }
 680
 681         ret = drm_framebuffer_init(dev, &vfbs->base.base,
 682                                    &vmw_framebuffer_surface_funcs);
 683         if (ret)
 684                 goto out_err2;
 685
 686         if (!vmw_surface_reference(surface)) {
 687                 DRM_ERROR("failed to reference surface %p\n", surface);
 688                 goto out_err3;
 689         }
 690
 691         /* XXX get the first 3 from the surface info */
 692         vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
 693         vfbs->base.base.pitches[0] = mode_cmd->pitch;
 694         vfbs->base.base.depth = mode_cmd->depth;
 695         vfbs->base.base.width = mode_cmd->width;
 696         vfbs->base.base.height = mode_cmd->height;
 697         vfbs->surface = surface;
 698         vfbs->base.user_handle = mode_cmd->handle;
 699         vfbs->master = drm_master_get(file_priv->master);
 700
 701         mutex_lock(&vmaster->fb_surf_mutex);
 702         list_add_tail(&vfbs->head, &vmaster->fb_surf);
 703         mutex_unlock(&vmaster->fb_surf_mutex);
 704
 705         *out = &vfbs->base;
 706
 707         return 0;
 708
 709 out_err3:
 710         drm_framebuffer_cleanup(&vfbs->base.base);
 711 out_err2:
 712         kfree(vfbs);
 713 out_err1:
 714         return ret;
 715 }
 716
 717 /*
 718  * Dmabuf framebuffer code
 719  */
 720
 721 #define vmw_framebuffer_to_vfbd(x) \
 722         container_of(x, struct vmw_framebuffer_dmabuf, base.base)
 723
 724 struct vmw_framebuffer_dmabuf {
 725         struct vmw_framebuffer base;
 726         struct vmw_dma_buffer *buffer;
 727 };
 728
 729 void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
 730 {
 731         struct vmw_framebuffer_dmabuf *vfbd =
 732                 vmw_framebuffer_to_vfbd(framebuffer);
 733
 734         drm_framebuffer_cleanup(framebuffer);
 735         vmw_dmabuf_unreference(&vfbd->buffer);
 736         ttm_base_object_unref(&vfbd->base.user_obj);
 737
 738         kfree(vfbd);
 739 }
 740
 741 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
 742                                struct vmw_framebuffer *framebuffer,
 743                                unsigned flags, unsigned color,
 744                                struct drm_clip_rect *clips,
 745                                unsigned num_clips, int increment)
 746 {
 747         size_t fifo_size;
 748         int i;
 749
 750         struct {
 751                 uint32_t header;
 752                 SVGAFifoCmdUpdate body;
 753         } *cmd;
 754
 755         fifo_size = sizeof(*cmd) * num_clips;
 756         cmd = vmw_fifo_reserve(dev_priv, fifo_size);
 757         if (unlikely(cmd == NULL)) {
 758                 DRM_ERROR("Fifo reserve failed.\n");
 759                 return -ENOMEM;
 760         }
 761
 762         memset(cmd, 0, fifo_size);
 763         for (i = 0; i < num_clips; i++, clips += increment) {
 764                 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
 765                 cmd[i].body.x = cpu_to_le32(clips->x1);
 766                 cmd[i].body.y = cpu_to_le32(clips->y1);
 767                 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
 768                 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
 769         }
 770
 771         vmw_fifo_commit(dev_priv, fifo_size);
 772         return 0;
 773 }
 774
 775 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
 776                                   struct vmw_private *dev_priv,
 777                                   struct vmw_framebuffer *framebuffer)
 778 {
 779         int depth = framebuffer->base.depth;
 780         size_t fifo_size;
 781         int ret;
 782
 783         struct {
 784                 uint32_t header;
 785                 SVGAFifoCmdDefineGMRFB body;
 786         } *cmd;
 787
 788         /* Emulate RGBA support, contrary to svga_reg.h this is not
 789          * supported by hosts. This is only a problem if we are reading
 790          * this value later and expecting what we uploaded back.
 791          */
 792         if (depth == 32)
 793                 depth = 24;
 794
 795         fifo_size = sizeof(*cmd);
 796         cmd = kmalloc(fifo_size, GFP_KERNEL);
 797         if (unlikely(cmd == NULL)) {
 798                 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
 799                 return -ENOMEM;
 800         }
 801
 802         memset(cmd, 0, fifo_size);
 803         cmd->header = SVGA_CMD_DEFINE_GMRFB;
 804         cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
 805         cmd->body.format.colorDepth = depth;
 806         cmd->body.format.reserved = 0;
 807         cmd->body.bytesPerLine = framebuffer->base.pitches[0];
 808         cmd->body.ptr.gmrId = framebuffer->user_handle;
 809         cmd->body.ptr.offset = 0;
 810
 811         ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
 812                                   fifo_size, 0, NULL);
 813
 814         kfree(cmd);
 815
 816         return ret;
 817 }
 818
 819 static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
 820                                struct vmw_private *dev_priv,
 821                                struct vmw_framebuffer *framebuffer,
 822                                unsigned flags, unsigned color,
 823                                struct drm_clip_rect *clips,
 824                                unsigned num_clips, int increment)
 825 {
 826         struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
 827         struct drm_clip_rect *clips_ptr;
 828         int i, k, num_units, ret;
 829         struct drm_crtc *crtc;
 830         size_t fifo_size;
 831
 832         struct {
 833                 uint32_t header;
 834                 SVGAFifoCmdBlitGMRFBToScreen body;
 835         } *blits;
 836
 837         ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
 838         if (unlikely(ret != 0))
 839                 return ret; /* define_gmrfb prints warnings */
 840
 841         fifo_size = sizeof(*blits) * num_clips;
 842         blits = kmalloc(fifo_size, GFP_KERNEL);
 843         if (unlikely(blits == NULL)) {
 844                 DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
 845                 return -ENOMEM;
 846         }
 847
 848         num_units = 0;
 849         list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
 850                 if (crtc->fb != &framebuffer->base)
 851                         continue;
 852                 units[num_units++] = vmw_crtc_to_du(crtc);
 853         }
 854
 855         for (k = 0; k < num_units; k++) {
 856                 struct vmw_display_unit *unit = units[k];
 857                 int hit_num = 0;
 858
 859                 clips_ptr = clips;
 860                 for (i = 0; i < num_clips; i++, clips_ptr += increment) {
 861                         int clip_x1 = clips_ptr->x1 - unit->crtc.x;
 862                         int clip_y1 = clips_ptr->y1 - unit->crtc.y;
 863                         int clip_x2 = clips_ptr->x2 - unit->crtc.x;
 864                         int clip_y2 = clips_ptr->y2 - unit->crtc.y;
 865                         int move_x, move_y;
 866
 867                         /* skip any crtcs that misses the clip region */
 868                         if (clip_x1 >= unit->crtc.mode.hdisplay ||
 869                             clip_y1 >= unit->crtc.mode.vdisplay ||
 870                             clip_x2 <= 0 || clip_y2 <= 0)
 871                                 continue;
 872
 873                         /* clip size to crtc size */
 874                         clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
 875                         clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
 876
 877                         /* translate both src and dest to bring clip into screen */
 878                         move_x = min_t(int, clip_x1, 0);
 879                         move_y = min_t(int, clip_y1, 0);
 880
 881                         /* actual translate done here */
 882                         blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
 883                         blits[hit_num].body.destScreenId = unit->unit;
 884                         blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
 885                         blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
 886                         blits[hit_num].body.destRect.left = clip_x1 - move_x;
 887                         blits[hit_num].body.destRect.top = clip_y1 - move_y;
 888                         blits[hit_num].body.destRect.right = clip_x2;
 889                         blits[hit_num].body.destRect.bottom = clip_y2;
 890                         hit_num++;
 891                 }
 892
 893                 /* no clips hit the crtc */
 894                 if (hit_num == 0)
 895                         continue;
 896
 897                 fifo_size = sizeof(*blits) * hit_num;
 898                 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
 899                                           fifo_size, 0, NULL);
 900
 901                 if (unlikely(ret != 0))
 902                         break;
 903         }
 904
 905         kfree(blits);
 906
 907         return ret;
 908 }
 909
 910 int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
 911                                  struct drm_file *file_priv,
 912                                  unsigned flags, unsigned color,
 913                                  struct drm_clip_rect *clips,
 914                                  unsigned num_clips)
 915 {
 916         struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
 917         struct vmw_master *vmaster = vmw_master(file_priv->master);
 918         struct vmw_framebuffer_dmabuf *vfbd =
 919                 vmw_framebuffer_to_vfbd(framebuffer);
 920         struct drm_clip_rect norect;
 921         int ret, increment = 1;
 922
 923         ret = ttm_read_lock(&vmaster->lock, true);
 924         if (unlikely(ret != 0))
 925                 return ret;
 926
 927         if (!num_clips) {
 928                 num_clips = 1;
 929                 clips = &norect;
 930                 norect.x1 = norect.y1 = 0;
 931                 norect.x2 = framebuffer->width;
 932                 norect.y2 = framebuffer->height;
 933         } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
 934                 num_clips /= 2;
 935                 increment = 2;
 936         }
 937
 938         if (dev_priv->ldu_priv) {
 939                 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
 940                                           flags, color,
 941                                           clips, num_clips, increment);
 942         } else {
 943                 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
 944                                           flags, color,
 945                                           clips, num_clips, increment);
 946         }
 947
 948         ttm_read_unlock(&vmaster->lock);
 949         return ret;
 950 }
 951
 952 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
 953         .destroy = vmw_framebuffer_dmabuf_destroy,
 954         .dirty = vmw_framebuffer_dmabuf_dirty,
 955         .create_handle = vmw_framebuffer_create_handle,
 956 };
 957
 958 /**
 959  * Pin the dmabuffer to the start of vram.
 960  */
 961 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
 962 {
 963         struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
 964         struct vmw_framebuffer_dmabuf *vfbd =
 965                 vmw_framebuffer_to_vfbd(&vfb->base);
 966         int ret;
 967
 968         /* This code should not be used with screen objects */
 969         BUG_ON(dev_priv->sou_priv);
 970
 971         vmw_overlay_pause_all(dev_priv);
 972
 973         ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
 974
 975         vmw_overlay_resume_all(dev_priv);
 976
 977         WARN_ON(ret != 0);
 978
 979         return 0;
 980 }
 981
 982 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
 983 {
 984         struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
 985         struct vmw_framebuffer_dmabuf *vfbd =
 986                 vmw_framebuffer_to_vfbd(&vfb->base);
 987
 988         if (!vfbd->buffer) {
 989                 WARN_ON(!vfbd->buffer);
 990                 return 0;
 991         }
 992
 993         return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
 994 }
 995
 996 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
 997                                           struct vmw_dma_buffer *dmabuf,
 998                                           struct vmw_framebuffer **out,
 999                                           const struct drm_mode_fb_cmd
1000                                           *mode_cmd)
1001
1002 {
1003         struct drm_device *dev = dev_priv->dev;
1004         struct vmw_framebuffer_dmabuf *vfbd;
1005         unsigned int requested_size;
1006         int ret;
1007
1008         requested_size = mode_cmd->height * mode_cmd->pitch;
1009         if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
1010                 DRM_ERROR("Screen buffer object size is too small "
1011                           "for requested mode.\n");
1012                 return -EINVAL;
1013         }
1014
1015         /* Limited framebuffer color depth support for screen objects */
1016         if (dev_priv->sou_priv) {
1017                 switch (mode_cmd->depth) {
1018                 case 32:
1019                 case 24:
1020                         /* Only support 32 bpp for 32 and 24 depth fbs */
1021                         if (mode_cmd->bpp == 32)
1022                                 break;
1023
1024                         DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1025                                   mode_cmd->depth, mode_cmd->bpp);
1026                         return -EINVAL;
1027                 case 16:
1028                 case 15:
1029                         /* Only support 16 bpp for 16 and 15 depth fbs */
1030                         if (mode_cmd->bpp == 16)
1031                                 break;
1032
1033                         DRM_ERROR("Invalid color depth/bbp: %d %d\n",
1034                                   mode_cmd->depth, mode_cmd->bpp);
1035                         return -EINVAL;
1036                 default:
1037                         DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
1038                         return -EINVAL;
1039                 }
1040         }
1041
1042         vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
1043         if (!vfbd) {
1044                 ret = -ENOMEM;
1045                 goto out_err1;
1046         }
1047
1048         ret = drm_framebuffer_init(dev, &vfbd->base.base,
1049                                    &vmw_framebuffer_dmabuf_funcs);
1050         if (ret)
1051                 goto out_err2;
1052
1053         if (!vmw_dmabuf_reference(dmabuf)) {
1054                 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
1055                 goto out_err3;
1056         }
1057
1058         vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
1059         vfbd->base.base.pitches[0] = mode_cmd->pitch;
1060         vfbd->base.base.depth = mode_cmd->depth;
1061         vfbd->base.base.width = mode_cmd->width;
1062         vfbd->base.base.height = mode_cmd->height;
1063         if (!dev_priv->sou_priv) {
1064                 vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
1065                 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
1066         }
1067         vfbd->base.dmabuf = true;
1068         vfbd->buffer = dmabuf;
1069         vfbd->base.user_handle = mode_cmd->handle;
1070         *out = &vfbd->base;
1071
1072         return 0;
1073
1074 out_err3:
1075         drm_framebuffer_cleanup(&vfbd->base.base);
1076 out_err2:
1077         kfree(vfbd);
1078 out_err1:
1079         return ret;
1080 }
1081
1082 /*
1083  * Generic Kernel modesetting functions
1084  */
1085
1086 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
1087                                                  struct drm_file *file_priv,
1088                                                  struct drm_mode_fb_cmd2 *mode_cmd2)
1089 {
1090         struct vmw_private *dev_priv = vmw_priv(dev);
1091         struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
1092         struct vmw_framebuffer *vfb = NULL;
1093         struct vmw_surface *surface = NULL;
1094         struct vmw_dma_buffer *bo = NULL;
1095         struct ttm_base_object *user_obj;
1096         struct drm_mode_fb_cmd mode_cmd;
1097         int ret;
1098
1099         mode_cmd.width = mode_cmd2->width;
1100         mode_cmd.height = mode_cmd2->height;
1101         mode_cmd.pitch = mode_cmd2->pitches[0];
1102         mode_cmd.handle = mode_cmd2->handles[0];
1103         drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
1104                                     &mode_cmd.bpp);
1105
1106         /**
1107          * This code should be conditioned on Screen Objects not being used.
1108          * If screen objects are used, we can allocate a GMR to hold the
1109          * requested framebuffer.
1110          */
1111
1112         if (!vmw_kms_validate_mode_vram(dev_priv,
1113                                         mode_cmd.pitch,
1114                                         mode_cmd.height)) {
1115                 DRM_ERROR("VRAM size is too small for requested mode.\n");
1116                 return ERR_PTR(-ENOMEM);
1117         }
1118
1119         /*
1120          * Take a reference on the user object of the resource
1121          * backing the kms fb. This ensures that user-space handle
1122          * lookups on that resource will always work as long as
1123          * it's registered with a kms framebuffer. This is important,
1124          * since vmw_execbuf_process identifies resources in the
1125          * command stream using user-space handles.
1126          */
1127
1128         user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
1129         if (unlikely(user_obj == NULL)) {
1130                 DRM_ERROR("Could not locate requested kms frame buffer.\n");
1131                 return ERR_PTR(-ENOENT);
1132         }
1133
1134         /**
1135          * End conditioned code.
1136          */
1137
1138         /* returns either a dmabuf or surface */
1139         ret = vmw_user_lookup_handle(dev_priv, tfile,
1140                                      mode_cmd.handle,
1141                                      &surface, &bo);
1142         if (ret)
1143                 goto err_out;
1144
1145         /* Create the new framebuffer depending one what we got back */
1146         if (bo)
1147                 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
1148                                                      &mode_cmd);
1149         else if (surface)
1150                 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
1151                                                       surface, &vfb, &mode_cmd);
1152         else
1153                 BUG();
1154
1155 err_out:
1156         /* vmw_user_lookup_handle takes one ref so does new_fb */
1157         if (bo)
1158                 vmw_dmabuf_unreference(&bo);
1159         if (surface)
1160                 vmw_surface_unreference(&surface);
1161
1162         if (ret) {
1163                 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
1164                 ttm_base_object_unref(&user_obj);
1165                 return ERR_PTR(ret);
1166         } else
1167                 vfb->user_obj = user_obj;
1168
1169         return &vfb->base;
1170 }
1171
1172 static struct drm_mode_config_funcs vmw_kms_funcs = {
1173         .fb_create = vmw_kms_fb_create,
1174 };
1175
1176 int vmw_kms_present(struct vmw_private *dev_priv,
1177                     struct drm_file *file_priv,
1178                     struct vmw_framebuffer *vfb,
1179                     struct vmw_surface *surface,
1180                     uint32_t sid,
1181                     int32_t destX, int32_t destY,
1182                     struct drm_vmw_rect *clips,
1183                     uint32_t num_clips)
1184 {
1185         struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1186         struct drm_clip_rect *tmp;
1187         struct drm_crtc *crtc;
1188         size_t fifo_size;
1189         int i, k, num_units;
1190         int ret = 0; /* silence warning */
1191         int left, right, top, bottom;
1192
1193         struct {
1194                 SVGA3dCmdHeader header;
1195                 SVGA3dCmdBlitSurfaceToScreen body;
1196         } *cmd;
1197         SVGASignedRect *blits;
1198
1199         num_units = 0;
1200         list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1201                 if (crtc->fb != &vfb->base)
1202                         continue;
1203                 units[num_units++] = vmw_crtc_to_du(crtc);
1204         }
1205
1206         BUG_ON(surface == NULL);
1207         BUG_ON(!clips || !num_clips);
1208
1209         tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
1210         if (unlikely(tmp == NULL)) {
1211                 DRM_ERROR("Temporary cliprect memory alloc failed.\n");
1212                 return -ENOMEM;
1213         }
1214
1215         fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
1216         cmd = kmalloc(fifo_size, GFP_KERNEL);
1217         if (unlikely(cmd == NULL)) {
1218                 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1219                 ret = -ENOMEM;
1220                 goto out_free_tmp;
1221         }
1222
1223         left = clips->x;
1224         right = clips->x + clips->w;
1225         top = clips->y;
1226         bottom = clips->y + clips->h;
1227
1228         for (i = 1; i < num_clips; i++) {
1229                 left = min_t(int, left, (int)clips[i].x);
1230                 right = max_t(int, right, (int)clips[i].x + clips[i].w);
1231                 top = min_t(int, top, (int)clips[i].y);
1232                 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
1233         }
1234
1235         /* only need to do this once */
1236         memset(cmd, 0, fifo_size);
1237         cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
1238
1239         blits = (SVGASignedRect *)&cmd[1];
1240
1241         cmd->body.srcRect.left = left;
1242         cmd->body.srcRect.right = right;
1243         cmd->body.srcRect.top = top;
1244         cmd->body.srcRect.bottom = bottom;
1245
1246         for (i = 0; i < num_clips; i++) {
1247                 tmp[i].x1 = clips[i].x - left;
1248                 tmp[i].x2 = clips[i].x + clips[i].w - left;
1249                 tmp[i].y1 = clips[i].y - top;
1250                 tmp[i].y2 = clips[i].y + clips[i].h - top;
1251         }
1252
1253         for (k = 0; k < num_units; k++) {
1254                 struct vmw_display_unit *unit = units[k];
1255                 struct vmw_clip_rect clip;
1256                 int num;
1257
1258                 clip.x1 = left + destX - unit->crtc.x;
1259                 clip.y1 = top + destY - unit->crtc.y;
1260                 clip.x2 = right + destX - unit->crtc.x;
1261                 clip.y2 = bottom + destY - unit->crtc.y;
1262
1263                 /* skip any crtcs that misses the clip region */
1264                 if (clip.x1 >= unit->crtc.mode.hdisplay ||
1265                     clip.y1 >= unit->crtc.mode.vdisplay ||
1266                     clip.x2 <= 0 || clip.y2 <= 0)
1267                         continue;
1268
1269                 /*
1270                  * In order for the clip rects to be correctly scaled
1271                  * the src and dest rects needs to be the same size.
1272                  */
1273                 cmd->body.destRect.left = clip.x1;
1274                 cmd->body.destRect.right = clip.x2;
1275                 cmd->body.destRect.top = clip.y1;
1276                 cmd->body.destRect.bottom = clip.y2;
1277
1278                 /* create a clip rect of the crtc in dest coords */
1279                 clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
1280                 clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
1281                 clip.x1 = 0 - clip.x1;
1282                 clip.y1 = 0 - clip.y1;
1283
1284                 /* need to reset sid as it is changed by execbuf */
1285                 cmd->body.srcImage.sid = sid;
1286                 cmd->body.destScreenId = unit->unit;
1287
1288                 /* clip and write blits to cmd stream */
1289                 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
1290
1291                 /* if no cliprects hit skip this */
1292                 if (num == 0)
1293                         continue;
1294
1295                 /* recalculate package length */
1296                 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
1297                 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
1298                 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
1299                                           fifo_size, 0, NULL);
1300
1301                 if (unlikely(ret != 0))
1302                         break;
1303         }
1304
1305         kfree(cmd);
1306 out_free_tmp:
1307         kfree(tmp);
1308
1309         return ret;
1310 }
1311
1312 int vmw_kms_readback(struct vmw_private *dev_priv,
1313                      struct drm_file *file_priv,
1314                      struct vmw_framebuffer *vfb,
1315                      struct drm_vmw_fence_rep __user *user_fence_rep,
1316                      struct drm_vmw_rect *clips,
1317                      uint32_t num_clips)
1318 {
1319         struct vmw_framebuffer_dmabuf *vfbd =
1320                 vmw_framebuffer_to_vfbd(&vfb->base);
1321         struct vmw_dma_buffer *dmabuf = vfbd->buffer;
1322         struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1323         struct drm_crtc *crtc;
1324         size_t fifo_size;
1325         int i, k, ret, num_units, blits_pos;
1326
1327         struct {
1328                 uint32_t header;
1329                 SVGAFifoCmdDefineGMRFB body;
1330         } *cmd;
1331         struct {
1332                 uint32_t header;
1333                 SVGAFifoCmdBlitScreenToGMRFB body;
1334         } *blits;
1335
1336         num_units = 0;
1337         list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1338                 if (crtc->fb != &vfb->base)
1339                         continue;
1340                 units[num_units++] = vmw_crtc_to_du(crtc);
1341         }
1342
1343         BUG_ON(dmabuf == NULL);
1344         BUG_ON(!clips || !num_clips);
1345
1346         /* take a safe guess at fifo size */
1347         fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
1348         cmd = kmalloc(fifo_size, GFP_KERNEL);
1349         if (unlikely(cmd == NULL)) {
1350                 DRM_ERROR("Failed to allocate temporary fifo memory.\n");
1351                 return -ENOMEM;
1352         }
1353
1354         memset(cmd, 0, fifo_size);
1355         cmd->header = SVGA_CMD_DEFINE_GMRFB;
1356         cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
1357         cmd->body.format.colorDepth = vfb->base.depth;
1358         cmd->body.format.reserved = 0;
1359         cmd->body.bytesPerLine = vfb->base.pitches[0];
1360         cmd->body.ptr.gmrId = vfb->user_handle;
1361         cmd->body.ptr.offset = 0;
1362
1363         blits = (void *)&cmd[1];
1364         blits_pos = 0;
1365         for (i = 0; i < num_units; i++) {
1366                 struct drm_vmw_rect *c = clips;
1367                 for (k = 0; k < num_clips; k++, c++) {
1368                         /* transform clip coords to crtc origin based coords */
1369                         int clip_x1 = c->x - units[i]->crtc.x;
1370                         int clip_x2 = c->x - units[i]->crtc.x + c->w;
1371                         int clip_y1 = c->y - units[i]->crtc.y;
1372                         int clip_y2 = c->y - units[i]->crtc.y + c->h;
1373                         int dest_x = c->x;
1374                         int dest_y = c->y;
1375
1376                         /* compensate for clipping, we negate
1377                          * a negative number and add that.
1378                          */
1379                         if (clip_x1 < 0)
1380                                 dest_x += -clip_x1;
1381                         if (clip_y1 < 0)
1382                                 dest_y += -clip_y1;
1383
1384                         /* clip */
1385                         clip_x1 = max(clip_x1, 0);
1386                         clip_y1 = max(clip_y1, 0);
1387                         clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
1388                         clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
1389
1390                         /* and cull any rects that misses the crtc */
1391                         if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
1392                             clip_y1 >= units[i]->crtc.mode.vdisplay ||
1393                             clip_x2 <= 0 || clip_y2 <= 0)
1394                                 continue;
1395
1396                         blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
1397                         blits[blits_pos].body.srcScreenId = units[i]->unit;
1398                         blits[blits_pos].body.destOrigin.x = dest_x;
1399                         blits[blits_pos].body.destOrigin.y = dest_y;
1400
1401                         blits[blits_pos].body.srcRect.left = clip_x1;
1402                         blits[blits_pos].body.srcRect.top = clip_y1;
1403                         blits[blits_pos].body.srcRect.right = clip_x2;
1404                         blits[blits_pos].body.srcRect.bottom = clip_y2;
1405                         blits_pos++;
1406                 }
1407         }
1408         /* reset size here and use calculated exact size from loops */
1409         fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
1410
1411         ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
1412                                   0, user_fence_rep);
1413
1414         kfree(cmd);
1415
1416         return ret;
1417 }
1418
1419 int vmw_kms_init(struct vmw_private *dev_priv)
1420 {
1421         struct drm_device *dev = dev_priv->dev;
1422         int ret;
1423
1424         drm_mode_config_init(dev);
1425         dev->mode_config.funcs = &vmw_kms_funcs;
1426         dev->mode_config.min_width = 1;
1427         dev->mode_config.min_height = 1;
1428         /* assumed largest fb size */
1429         dev->mode_config.max_width = 8192;
1430         dev->mode_config.max_height = 8192;
1431
1432         ret = vmw_kms_init_screen_object_display(dev_priv);
1433         if (ret) /* Fallback */
1434                 (void)vmw_kms_init_legacy_display_system(dev_priv);
1435
1436         return 0;
1437 }
1438
1439 int vmw_kms_close(struct vmw_private *dev_priv)
1440 {
1441         /*
1442          * Docs says we should take the lock before calling this function
1443          * but since it destroys encoders and our destructor calls
1444          * drm_encoder_cleanup which takes the lock we deadlock.
1445          */
1446         drm_mode_config_cleanup(dev_priv->dev);
1447         if (dev_priv->sou_priv)
1448                 vmw_kms_close_screen_object_display(dev_priv);
1449         else
1450                 vmw_kms_close_legacy_display_system(dev_priv);
1451         return 0;
1452 }
1453
1454 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1455                                 struct drm_file *file_priv)
1456 {
1457         struct drm_vmw_cursor_bypass_arg *arg = data;
1458         struct vmw_display_unit *du;
1459         struct drm_mode_object *obj;
1460         struct drm_crtc *crtc;
1461         int ret = 0;
1462
1463
1464         mutex_lock(&dev->mode_config.mutex);
1465         if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1466
1467                 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1468                         du = vmw_crtc_to_du(crtc);
1469                         du->hotspot_x = arg->xhot;
1470                         du->hotspot_y = arg->yhot;
1471                 }
1472
1473                 mutex_unlock(&dev->mode_config.mutex);
1474                 return 0;
1475         }
1476
1477         obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC);
1478         if (!obj) {
1479                 ret = -EINVAL;
1480                 goto out;
1481         }
1482
1483         crtc = obj_to_crtc(obj);
1484         du = vmw_crtc_to_du(crtc);
1485
1486         du->hotspot_x = arg->xhot;
1487         du->hotspot_y = arg->yhot;
1488
1489 out:
1490         mutex_unlock(&dev->mode_config.mutex);
1491
1492         return ret;
1493 }
1494
1495 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1496                         unsigned width, unsigned height, unsigned pitch,
1497                         unsigned bpp, unsigned depth)
1498 {
1499         if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1500                 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1501         else if (vmw_fifo_have_pitchlock(vmw_priv))
1502                 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1503         vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1504         vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1505         vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1506
1507         if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1508                 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1509                           depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1510                 return -EINVAL;
1511         }
1512
1513         return 0;
1514 }
1515
1516 int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1517 {
1518         struct vmw_vga_topology_state *save;
1519         uint32_t i;
1520
1521         vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1522         vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1523         vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1524         if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1525                 vmw_priv->vga_pitchlock =
1526                   vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1527         else if (vmw_fifo_have_pitchlock(vmw_priv))
1528                 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
1529                                                        SVGA_FIFO_PITCHLOCK);
1530
1531         if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1532                 return 0;
1533
1534         vmw_priv->num_displays = vmw_read(vmw_priv,
1535                                           SVGA_REG_NUM_GUEST_DISPLAYS);
1536
1537         if (vmw_priv->num_displays == 0)
1538                 vmw_priv->num_displays = 1;
1539
1540         for (i = 0; i < vmw_priv->num_displays; ++i) {
1541                 save = &vmw_priv->vga_save[i];
1542                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1543                 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1544                 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1545                 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1546                 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1547                 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1548                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1549                 if (i == 0 && vmw_priv->num_displays == 1 &&
1550                     save->width == 0 && save->height == 0) {
1551
1552                         /*
1553                          * It should be fairly safe to assume that these
1554                          * values are uninitialized.
1555                          */
1556
1557                         save->width = vmw_priv->vga_width - save->pos_x;
1558                         save->height = vmw_priv->vga_height - save->pos_y;
1559                 }
1560         }
1561
1562         return 0;
1563 }
1564
1565 int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1566 {
1567         struct vmw_vga_topology_state *save;
1568         uint32_t i;
1569
1570         vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1571         vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1572         vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1573         if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1574                 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1575                           vmw_priv->vga_pitchlock);
1576         else if (vmw_fifo_have_pitchlock(vmw_priv))
1577                 iowrite32(vmw_priv->vga_pitchlock,
1578                           vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
1579
1580         if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1581                 return 0;
1582
1583         for (i = 0; i < vmw_priv->num_displays; ++i) {
1584                 save = &vmw_priv->vga_save[i];
1585                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1586                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1587                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1588                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1589                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1590                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1591                 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1592         }
1593
1594         return 0;
1595 }
1596
1597 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1598                                 uint32_t pitch,
1599                                 uint32_t height)
1600 {
1601         return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size;
1602 }
1603
1604
1605 /**
1606  * Function called by DRM code called with vbl_lock held.
1607  */
1608 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
1609 {
1610         return 0;
1611 }
1612
1613 /**
1614  * Function called by DRM code called with vbl_lock held.
1615  */
1616 int vmw_enable_vblank(struct drm_device *dev, int crtc)
1617 {
1618         return -ENOSYS;
1619 }
1620
1621 /**
1622  * Function called by DRM code called with vbl_lock held.
1623  */
1624 void vmw_disable_vblank(struct drm_device *dev, int crtc)
1625 {
1626 }
1627
1628
1629 /*
1630  * Small shared kms functions.
1631  */
1632
1633 int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
1634                          struct drm_vmw_rect *rects)
1635 {
1636         struct drm_device *dev = dev_priv->dev;
1637         struct vmw_display_unit *du;
1638         struct drm_connector *con;
1639
1640         mutex_lock(&dev->mode_config.mutex);
1641
1642 #if 0
1643         {
1644                 unsigned int i;
1645
1646                 DRM_INFO("%s: new layout ", __func__);
1647                 for (i = 0; i < num; i++)
1648                         DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1649                                  rects[i].w, rects[i].h);
1650                 DRM_INFO("\n");
1651         }
1652 #endif
1653
1654         list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1655                 du = vmw_connector_to_du(con);
1656                 if (num > du->unit) {
1657                         du->pref_width = rects[du->unit].w;
1658                         du->pref_height = rects[du->unit].h;
1659                         du->pref_active = true;
1660                         du->gui_x = rects[du->unit].x;
1661                         du->gui_y = rects[du->unit].y;
1662                 } else {
1663                         du->pref_width = 800;
1664                         du->pref_height = 600;
1665                         du->pref_active = false;
1666                 }
1667                 con->status = vmw_du_connector_detect(con, true);
1668         }
1669
1670         mutex_unlock(&dev->mode_config.mutex);
1671
1672         return 0;
1673 }
1674
1675 void vmw_du_crtc_save(struct drm_crtc *crtc)
1676 {
1677 }
1678
1679 void vmw_du_crtc_restore(struct drm_crtc *crtc)
1680 {
1681 }
1682
1683 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1684                            u16 *r, u16 *g, u16 *b,
1685                            uint32_t start, uint32_t size)
1686 {
1687         struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1688         int i;
1689
1690         for (i = 0; i < size; i++) {
1691                 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1692                           r[i], g[i], b[i]);
1693                 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1694                 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1695                 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1696         }
1697 }
1698
1699 void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
1700 {
1701 }
1702
1703 void vmw_du_connector_save(struct drm_connector *connector)
1704 {
1705 }
1706
1707 void vmw_du_connector_restore(struct drm_connector *connector)
1708 {
1709 }
1710
1711 enum drm_connector_status
1712 vmw_du_connector_detect(struct drm_connector *connector, bool force)
1713 {
1714         uint32_t num_displays;
1715         struct drm_device *dev = connector->dev;
1716         struct vmw_private *dev_priv = vmw_priv(dev);
1717         struct vmw_display_unit *du = vmw_connector_to_du(connector);
1718
1719         mutex_lock(&dev_priv->hw_mutex);
1720         num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
1721         mutex_unlock(&dev_priv->hw_mutex);
1722
1723         return ((vmw_connector_to_du(connector)->unit < num_displays &&
1724                  du->pref_active) ?
1725                 connector_status_connected : connector_status_disconnected);
1726 }
1727
1728 static struct drm_display_mode vmw_kms_connector_builtin[] = {
1729         /* 640x480@60Hz */
1730         { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1731                    752, 800, 0, 480, 489, 492, 525, 0,
1732                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1733         /* 800x600@60Hz */
1734         { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1735                    968, 1056, 0, 600, 601, 605, 628, 0,
1736                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1737         /* 1024x768@60Hz */
1738         { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1739                    1184, 1344, 0, 768, 771, 777, 806, 0,
1740                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1741         /* 1152x864@75Hz */
1742         { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1743                    1344, 1600, 0, 864, 865, 868, 900, 0,
1744                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1745         /* 1280x768@60Hz */
1746         { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1747                    1472, 1664, 0, 768, 771, 778, 798, 0,
1748                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1749         /* 1280x800@60Hz */
1750         { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1751                    1480, 1680, 0, 800, 803, 809, 831, 0,
1752                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1753         /* 1280x960@60Hz */
1754         { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1755                    1488, 1800, 0, 960, 961, 964, 1000, 0,
1756                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1757         /* 1280x1024@60Hz */
1758         { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1759                    1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1760                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1761         /* 1360x768@60Hz */
1762         { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1763                    1536, 1792, 0, 768, 771, 777, 795, 0,
1764                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1765         /* 1440x1050@60Hz */
1766         { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1767                    1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1768                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1769         /* 1440x900@60Hz */
1770         { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1771                    1672, 1904, 0, 900, 903, 909, 934, 0,
1772                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1773         /* 1600x1200@60Hz */
1774         { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1775                    1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1776                    DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1777         /* 1680x1050@60Hz */
1778         { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1779                    1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1780                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1781         /* 1792x1344@60Hz */
1782         { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1783                    2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1784                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1785         /* 1853x1392@60Hz */
1786         { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1787                    2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1788                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1789         /* 1920x1200@60Hz */
1790         { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1791                    2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1792                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1793         /* 1920x1440@60Hz */
1794         { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1795                    2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1796                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1797         /* 2560x1600@60Hz */
1798         { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1799                    3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1800                    DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1801         /* Terminate */
1802         { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1803 };
1804
1805 /**
1806  * vmw_guess_mode_timing - Provide fake timings for a
1807  * 60Hz vrefresh mode.
1808  *
1809  * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1810  * members filled in.
1811  */
1812 static void vmw_guess_mode_timing(struct drm_display_mode *mode)
1813 {
1814         mode->hsync_start = mode->hdisplay + 50;
1815         mode->hsync_end = mode->hsync_start + 50;
1816         mode->htotal = mode->hsync_end + 50;
1817
1818         mode->vsync_start = mode->vdisplay + 50;
1819         mode->vsync_end = mode->vsync_start + 50;
1820         mode->vtotal = mode->vsync_end + 50;
1821
1822         mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1823         mode->vrefresh = drm_mode_vrefresh(mode);
1824 }
1825
1826
1827 int vmw_du_connector_fill_modes(struct drm_connector *connector,
1828                                 uint32_t max_width, uint32_t max_height)
1829 {
1830         struct vmw_display_unit *du = vmw_connector_to_du(connector);
1831         struct drm_device *dev = connector->dev;
1832         struct vmw_private *dev_priv = vmw_priv(dev);
1833         struct drm_display_mode *mode = NULL;
1834         struct drm_display_mode *bmode;
1835         struct drm_display_mode prefmode = { DRM_MODE("preferred",
1836                 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1837                 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1838                 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1839         };
1840         int i;
1841
1842         /* Add preferred mode */
1843         {
1844                 mode = drm_mode_duplicate(dev, &prefmode);
1845                 if (!mode)
1846                         return 0;
1847                 mode->hdisplay = du->pref_width;
1848                 mode->vdisplay = du->pref_height;
1849                 vmw_guess_mode_timing(mode);
1850
1851                 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
1852                                                mode->vdisplay)) {
1853                         drm_mode_probed_add(connector, mode);
1854                 } else {
1855                         drm_mode_destroy(dev, mode);
1856                         mode = NULL;
1857                 }
1858
1859                 if (du->pref_mode) {
1860                         list_del_init(&du->pref_mode->head);
1861                         drm_mode_destroy(dev, du->pref_mode);
1862                 }
1863
1864                 /* mode might be null here, this is intended */
1865                 du->pref_mode = mode;
1866         }
1867
1868         for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1869                 bmode = &vmw_kms_connector_builtin[i];
1870                 if (bmode->hdisplay > max_width ||
1871                     bmode->vdisplay > max_height)
1872                         continue;
1873
1874                 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
1875                                                 bmode->vdisplay))
1876                         continue;
1877
1878                 mode = drm_mode_duplicate(dev, bmode);
1879                 if (!mode)
1880                         return 0;
1881                 mode->vrefresh = drm_mode_vrefresh(mode);
1882
1883                 drm_mode_probed_add(connector, mode);
1884         }
1885
1886         /* Move the prefered mode first, help apps pick the right mode. */
1887         if (du->pref_mode)
1888                 list_move(&du->pref_mode->head, &connector->probed_modes);
1889
1890         drm_mode_connector_list_update(connector);
1891
1892         return 1;
1893 }
1894
1895 int vmw_du_connector_set_property(struct drm_connector *connector,
1896                                   struct drm_property *property,
1897                                   uint64_t val)
1898 {
1899         return 0;
1900 }
1901
1902
1903 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1904                                 struct drm_file *file_priv)
1905 {
1906         struct vmw_private *dev_priv = vmw_priv(dev);
1907         struct drm_vmw_update_layout_arg *arg =
1908                 (struct drm_vmw_update_layout_arg *)data;
1909         struct vmw_master *vmaster = vmw_master(file_priv->master);
1910         void __user *user_rects;
1911         struct drm_vmw_rect *rects;
1912         unsigned rects_size;
1913         int ret;
1914         int i;
1915         struct drm_mode_config *mode_config = &dev->mode_config;
1916
1917         ret = ttm_read_lock(&vmaster->lock, true);
1918         if (unlikely(ret != 0))
1919                 return ret;
1920
1921         if (!arg->num_outputs) {
1922                 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
1923                 vmw_du_update_layout(dev_priv, 1, &def_rect);
1924                 goto out_unlock;
1925         }
1926
1927         rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
1928         rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
1929                         GFP_KERNEL);
1930         if (unlikely(!rects)) {
1931                 ret = -ENOMEM;
1932                 goto out_unlock;
1933         }
1934
1935         user_rects = (void __user *)(unsigned long)arg->rects;
1936         ret = copy_from_user(rects, user_rects, rects_size);
1937         if (unlikely(ret != 0)) {
1938                 DRM_ERROR("Failed to get rects.\n");
1939                 ret = -EFAULT;
1940                 goto out_free;
1941         }
1942
1943         for (i = 0; i < arg->num_outputs; ++i) {
1944                 if (rects[i].x < 0 ||
1945                     rects[i].y < 0 ||
1946                     rects[i].x + rects[i].w > mode_config->max_width ||
1947                     rects[i].y + rects[i].h > mode_config->max_height) {
1948                         DRM_ERROR("Invalid GUI layout.\n");
1949                         ret = -EINVAL;
1950                         goto out_free;
1951                 }
1952         }
1953
1954         vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
1955
1956 out_free:
1957         kfree(rects);
1958 out_unlock:
1959         ttm_read_unlock(&vmaster->lock);
1960         return ret;
1961 }