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 /* 184 * FIXME: Unclear whether there's any global state touched by the 185 * cursor_set function, especially vmw_cursor_update_position looks 186 * suspicious. For now take the easy route and reacquire all locks. We 187 * can do this since the caller in the drm core doesn't check anything 188 * which is protected by any looks. 189 */ 190 mutex_unlock(&crtc->mutex); 191 drm_modeset_lock_all(dev_priv->dev); 192 193 /* A lot of the code assumes this */ 194 if (handle && (width != 64 || height != 64)) { 195 ret = -EINVAL; 196 goto out; 197 } 198 199 if (handle) { 200 ret = vmw_user_lookup_handle(dev_priv, tfile, 201 handle, &surface, &dmabuf); 202 if (ret) { 203 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); 204 ret = -EINVAL; 205 goto out; 206 } 207 } 208 209 /* need to do this before taking down old image */ 210 if (surface && !surface->snooper.image) { 211 DRM_ERROR("surface not suitable for cursor\n"); 212 vmw_surface_unreference(&surface); 213 ret = -EINVAL; 214 goto out; 215 } 216 217 /* takedown old cursor */ 218 if (du->cursor_surface) { 219 du->cursor_surface->snooper.crtc = NULL; 220 vmw_surface_unreference(&du->cursor_surface); 221 } 222 if (du->cursor_dmabuf) 223 vmw_dmabuf_unreference(&du->cursor_dmabuf); 224 225 /* setup new image */ 226 if (surface) { 227 /* vmw_user_surface_lookup takes one reference */ 228 du->cursor_surface = surface; 229 230 du->cursor_surface->snooper.crtc = crtc; 231 du->cursor_age = du->cursor_surface->snooper.age; 232 vmw_cursor_update_image(dev_priv, surface->snooper.image, 233 64, 64, du->hotspot_x, du->hotspot_y); 234 } else if (dmabuf) { 235 /* vmw_user_surface_lookup takes one reference */ 236 du->cursor_dmabuf = dmabuf; 237 238 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height, 239 du->hotspot_x, du->hotspot_y); 240 } else { 241 vmw_cursor_update_position(dev_priv, false, 0, 0); 242 ret = 0; 243 goto out; 244 } 245 246 vmw_cursor_update_position(dev_priv, true, 247 du->cursor_x + du->hotspot_x, 248 du->cursor_y + du->hotspot_y); 249 250 ret = 0; 251 out: 252 drm_modeset_unlock_all(dev_priv->dev); 253 mutex_lock(&crtc->mutex); 254 255 return ret; 256 } 257 258 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) 259 { 260 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 261 struct vmw_display_unit *du = vmw_crtc_to_du(crtc); 262 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false; 263 264 du->cursor_x = x + crtc->x; 265 du->cursor_y = y + crtc->y; 266 267 /* 268 * FIXME: Unclear whether there's any global state touched by the 269 * cursor_set function, especially vmw_cursor_update_position looks 270 * suspicious. For now take the easy route and reacquire all locks. We 271 * can do this since the caller in the drm core doesn't check anything 272 * which is protected by any looks. 273 */ 274 mutex_unlock(&crtc->mutex); 275 drm_modeset_lock_all(dev_priv->dev); 276 277 vmw_cursor_update_position(dev_priv, shown, 278 du->cursor_x + du->hotspot_x, 279 du->cursor_y + du->hotspot_y); 280 281 drm_modeset_unlock_all(dev_priv->dev); 282 mutex_lock(&crtc->mutex); 283 284 return 0; 285 } 286 287 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 288 struct ttm_object_file *tfile, 289 struct ttm_buffer_object *bo, 290 SVGA3dCmdHeader *header) 291 { 292 struct ttm_bo_kmap_obj map; 293 unsigned long kmap_offset; 294 unsigned long kmap_num; 295 SVGA3dCopyBox *box; 296 unsigned box_count; 297 void *virtual; 298 bool dummy; 299 struct vmw_dma_cmd { 300 SVGA3dCmdHeader header; 301 SVGA3dCmdSurfaceDMA dma; 302 } *cmd; 303 int i, ret; 304 305 cmd = container_of(header, struct vmw_dma_cmd, header); 306 307 /* No snooper installed */ 308 if (!srf->snooper.image) 309 return; 310 311 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) { 312 DRM_ERROR("face and mipmap for cursors should never != 0\n"); 313 return; 314 } 315 316 if (cmd->header.size < 64) { 317 DRM_ERROR("at least one full copy box must be given\n"); 318 return; 319 } 320 321 box = (SVGA3dCopyBox *)&cmd[1]; 322 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) / 323 sizeof(SVGA3dCopyBox); 324 325 if (cmd->dma.guest.ptr.offset % PAGE_SIZE || 326 box->x != 0 || box->y != 0 || box->z != 0 || 327 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 || 328 box->d != 1 || box_count != 1) { 329 /* TODO handle none page aligned offsets */ 330 /* TODO handle more dst & src != 0 */ 331 /* TODO handle more then one copy */ 332 DRM_ERROR("Cant snoop dma request for cursor!\n"); 333 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n", 334 box->srcx, box->srcy, box->srcz, 335 box->x, box->y, box->z, 336 box->w, box->h, box->d, box_count, 337 cmd->dma.guest.ptr.offset); 338 return; 339 } 340 341 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT; 342 kmap_num = (64*64*4) >> PAGE_SHIFT; 343 344 ret = ttm_bo_reserve(bo, true, false, false, 0); 345 if (unlikely(ret != 0)) { 346 DRM_ERROR("reserve failed\n"); 347 return; 348 } 349 350 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map); 351 if (unlikely(ret != 0)) 352 goto err_unreserve; 353 354 virtual = ttm_kmap_obj_virtual(&map, &dummy); 355 356 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) { 357 memcpy(srf->snooper.image, virtual, 64*64*4); 358 } else { 359 /* Image is unsigned pointer. */ 360 for (i = 0; i < box->h; i++) 361 memcpy(srf->snooper.image + i * 64, 362 virtual + i * cmd->dma.guest.pitch, 363 box->w * 4); 364 } 365 366 srf->snooper.age++; 367 368 /* we can't call this function from this function since execbuf has 369 * reserved fifo space. 370 * 371 * if (srf->snooper.crtc) 372 * vmw_ldu_crtc_cursor_update_image(dev_priv, 373 * srf->snooper.image, 64, 64, 374 * du->hotspot_x, du->hotspot_y); 375 */ 376 377 ttm_bo_kunmap(&map); 378 err_unreserve: 379 ttm_bo_unreserve(bo); 380 } 381 382 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) 383 { 384 struct drm_device *dev = dev_priv->dev; 385 struct vmw_display_unit *du; 386 struct drm_crtc *crtc; 387 388 mutex_lock(&dev->mode_config.mutex); 389 390 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 391 du = vmw_crtc_to_du(crtc); 392 if (!du->cursor_surface || 393 du->cursor_age == du->cursor_surface->snooper.age) 394 continue; 395 396 du->cursor_age = du->cursor_surface->snooper.age; 397 vmw_cursor_update_image(dev_priv, 398 du->cursor_surface->snooper.image, 399 64, 64, du->hotspot_x, du->hotspot_y); 400 } 401 402 mutex_unlock(&dev->mode_config.mutex); 403 } 404 405 /* 406 * Generic framebuffer code 407 */ 408 409 /* 410 * Surface framebuffer code 411 */ 412 413 #define vmw_framebuffer_to_vfbs(x) \ 414 container_of(x, struct vmw_framebuffer_surface, base.base) 415 416 struct vmw_framebuffer_surface { 417 struct vmw_framebuffer base; 418 struct vmw_surface *surface; 419 struct vmw_dma_buffer *buffer; 420 struct list_head head; 421 struct drm_master *master; 422 }; 423 424 void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer) 425 { 426 struct vmw_framebuffer_surface *vfbs = 427 vmw_framebuffer_to_vfbs(framebuffer); 428 struct vmw_master *vmaster = vmw_master(vfbs->master); 429 430 431 mutex_lock(&vmaster->fb_surf_mutex); 432 list_del(&vfbs->head); 433 mutex_unlock(&vmaster->fb_surf_mutex); 434 435 drm_master_put(&vfbs->master); 436 drm_framebuffer_cleanup(framebuffer); 437 vmw_surface_unreference(&vfbs->surface); 438 ttm_base_object_unref(&vfbs->base.user_obj); 439 440 kfree(vfbs); 441 } 442 443 static int do_surface_dirty_sou(struct vmw_private *dev_priv, 444 struct drm_file *file_priv, 445 struct vmw_framebuffer *framebuffer, 446 unsigned flags, unsigned color, 447 struct drm_clip_rect *clips, 448 unsigned num_clips, int inc, 449 struct vmw_fence_obj **out_fence) 450 { 451 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 452 struct drm_clip_rect *clips_ptr; 453 struct drm_clip_rect *tmp; 454 struct drm_crtc *crtc; 455 size_t fifo_size; 456 int i, num_units; 457 int ret = 0; /* silence warning */ 458 int left, right, top, bottom; 459 460 struct { 461 SVGA3dCmdHeader header; 462 SVGA3dCmdBlitSurfaceToScreen body; 463 } *cmd; 464 SVGASignedRect *blits; 465 466 num_units = 0; 467 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, 468 head) { 469 if (crtc->fb != &framebuffer->base) 470 continue; 471 units[num_units++] = vmw_crtc_to_du(crtc); 472 } 473 474 BUG_ON(!clips || !num_clips); 475 476 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 477 if (unlikely(tmp == NULL)) { 478 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 479 return -ENOMEM; 480 } 481 482 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 483 cmd = kzalloc(fifo_size, GFP_KERNEL); 484 if (unlikely(cmd == NULL)) { 485 DRM_ERROR("Temporary fifo memory alloc failed.\n"); 486 ret = -ENOMEM; 487 goto out_free_tmp; 488 } 489 490 /* setup blits pointer */ 491 blits = (SVGASignedRect *)&cmd[1]; 492 493 /* initial clip region */ 494 left = clips->x1; 495 right = clips->x2; 496 top = clips->y1; 497 bottom = clips->y2; 498 499 /* skip the first clip rect */ 500 for (i = 1, clips_ptr = clips + inc; 501 i < num_clips; i++, clips_ptr += inc) { 502 left = min_t(int, left, (int)clips_ptr->x1); 503 right = max_t(int, right, (int)clips_ptr->x2); 504 top = min_t(int, top, (int)clips_ptr->y1); 505 bottom = max_t(int, bottom, (int)clips_ptr->y2); 506 } 507 508 /* only need to do this once */ 509 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 510 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 511 512 cmd->body.srcRect.left = left; 513 cmd->body.srcRect.right = right; 514 cmd->body.srcRect.top = top; 515 cmd->body.srcRect.bottom = bottom; 516 517 clips_ptr = clips; 518 for (i = 0; i < num_clips; i++, clips_ptr += inc) { 519 tmp[i].x1 = clips_ptr->x1 - left; 520 tmp[i].x2 = clips_ptr->x2 - left; 521 tmp[i].y1 = clips_ptr->y1 - top; 522 tmp[i].y2 = clips_ptr->y2 - top; 523 } 524 525 /* do per unit writing, reuse fifo for each */ 526 for (i = 0; i < num_units; i++) { 527 struct vmw_display_unit *unit = units[i]; 528 struct vmw_clip_rect clip; 529 int num; 530 531 clip.x1 = left - unit->crtc.x; 532 clip.y1 = top - unit->crtc.y; 533 clip.x2 = right - unit->crtc.x; 534 clip.y2 = bottom - unit->crtc.y; 535 536 /* skip any crtcs that misses the clip region */ 537 if (clip.x1 >= unit->crtc.mode.hdisplay || 538 clip.y1 >= unit->crtc.mode.vdisplay || 539 clip.x2 <= 0 || clip.y2 <= 0) 540 continue; 541 542 /* 543 * In order for the clip rects to be correctly scaled 544 * the src and dest rects needs to be the same size. 545 */ 546 cmd->body.destRect.left = clip.x1; 547 cmd->body.destRect.right = clip.x2; 548 cmd->body.destRect.top = clip.y1; 549 cmd->body.destRect.bottom = clip.y2; 550 551 /* create a clip rect of the crtc in dest coords */ 552 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 553 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 554 clip.x1 = 0 - clip.x1; 555 clip.y1 = 0 - clip.y1; 556 557 /* need to reset sid as it is changed by execbuf */ 558 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle); 559 cmd->body.destScreenId = unit->unit; 560 561 /* clip and write blits to cmd stream */ 562 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 563 564 /* if no cliprects hit skip this */ 565 if (num == 0) 566 continue; 567 568 /* only return the last fence */ 569 if (out_fence && *out_fence) 570 vmw_fence_obj_unreference(out_fence); 571 572 /* recalculate package length */ 573 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 574 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 575 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 576 fifo_size, 0, NULL, out_fence); 577 578 if (unlikely(ret != 0)) 579 break; 580 } 581 582 583 kfree(cmd); 584 out_free_tmp: 585 kfree(tmp); 586 587 return ret; 588 } 589 590 int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, 591 struct drm_file *file_priv, 592 unsigned flags, unsigned color, 593 struct drm_clip_rect *clips, 594 unsigned num_clips) 595 { 596 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 597 struct vmw_master *vmaster = vmw_master(file_priv->master); 598 struct vmw_framebuffer_surface *vfbs = 599 vmw_framebuffer_to_vfbs(framebuffer); 600 struct drm_clip_rect norect; 601 int ret, inc = 1; 602 603 if (unlikely(vfbs->master != file_priv->master)) 604 return -EINVAL; 605 606 /* Require ScreenObject support for 3D */ 607 if (!dev_priv->sou_priv) 608 return -EINVAL; 609 610 ret = ttm_read_lock(&vmaster->lock, true); 611 if (unlikely(ret != 0)) 612 return ret; 613 614 if (!num_clips) { 615 num_clips = 1; 616 clips = &norect; 617 norect.x1 = norect.y1 = 0; 618 norect.x2 = framebuffer->width; 619 norect.y2 = framebuffer->height; 620 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 621 num_clips /= 2; 622 inc = 2; /* skip source rects */ 623 } 624 625 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base, 626 flags, color, 627 clips, num_clips, inc, NULL); 628 629 ttm_read_unlock(&vmaster->lock); 630 return 0; 631 } 632 633 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { 634 .destroy = vmw_framebuffer_surface_destroy, 635 .dirty = vmw_framebuffer_surface_dirty, 636 }; 637 638 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, 639 struct drm_file *file_priv, 640 struct vmw_surface *surface, 641 struct vmw_framebuffer **out, 642 const struct drm_mode_fb_cmd 643 *mode_cmd) 644 645 { 646 struct drm_device *dev = dev_priv->dev; 647 struct vmw_framebuffer_surface *vfbs; 648 enum SVGA3dSurfaceFormat format; 649 struct vmw_master *vmaster = vmw_master(file_priv->master); 650 int ret; 651 652 /* 3D is only supported on HWv8 hosts which supports screen objects */ 653 if (!dev_priv->sou_priv) 654 return -ENOSYS; 655 656 /* 657 * Sanity checks. 658 */ 659 660 /* Surface must be marked as a scanout. */ 661 if (unlikely(!surface->scanout)) 662 return -EINVAL; 663 664 if (unlikely(surface->mip_levels[0] != 1 || 665 surface->num_sizes != 1 || 666 surface->sizes[0].width < mode_cmd->width || 667 surface->sizes[0].height < mode_cmd->height || 668 surface->sizes[0].depth != 1)) { 669 DRM_ERROR("Incompatible surface dimensions " 670 "for requested mode.\n"); 671 return -EINVAL; 672 } 673 674 switch (mode_cmd->depth) { 675 case 32: 676 format = SVGA3D_A8R8G8B8; 677 break; 678 case 24: 679 format = SVGA3D_X8R8G8B8; 680 break; 681 case 16: 682 format = SVGA3D_R5G6B5; 683 break; 684 case 15: 685 format = SVGA3D_A1R5G5B5; 686 break; 687 case 8: 688 format = SVGA3D_LUMINANCE8; 689 break; 690 default: 691 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 692 return -EINVAL; 693 } 694 695 if (unlikely(format != surface->format)) { 696 DRM_ERROR("Invalid surface format for requested mode.\n"); 697 return -EINVAL; 698 } 699 700 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); 701 if (!vfbs) { 702 ret = -ENOMEM; 703 goto out_err1; 704 } 705 706 if (!vmw_surface_reference(surface)) { 707 DRM_ERROR("failed to reference surface %p\n", surface); 708 ret = -EINVAL; 709 goto out_err2; 710 } 711 712 /* XXX get the first 3 from the surface info */ 713 vfbs->base.base.bits_per_pixel = mode_cmd->bpp; 714 vfbs->base.base.pitches[0] = mode_cmd->pitch; 715 vfbs->base.base.depth = mode_cmd->depth; 716 vfbs->base.base.width = mode_cmd->width; 717 vfbs->base.base.height = mode_cmd->height; 718 vfbs->surface = surface; 719 vfbs->base.user_handle = mode_cmd->handle; 720 vfbs->master = drm_master_get(file_priv->master); 721 722 mutex_lock(&vmaster->fb_surf_mutex); 723 list_add_tail(&vfbs->head, &vmaster->fb_surf); 724 mutex_unlock(&vmaster->fb_surf_mutex); 725 726 *out = &vfbs->base; 727 728 ret = drm_framebuffer_init(dev, &vfbs->base.base, 729 &vmw_framebuffer_surface_funcs); 730 if (ret) 731 goto out_err3; 732 733 return 0; 734 735 out_err3: 736 vmw_surface_unreference(&surface); 737 out_err2: 738 kfree(vfbs); 739 out_err1: 740 return ret; 741 } 742 743 /* 744 * Dmabuf framebuffer code 745 */ 746 747 #define vmw_framebuffer_to_vfbd(x) \ 748 container_of(x, struct vmw_framebuffer_dmabuf, base.base) 749 750 struct vmw_framebuffer_dmabuf { 751 struct vmw_framebuffer base; 752 struct vmw_dma_buffer *buffer; 753 }; 754 755 void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) 756 { 757 struct vmw_framebuffer_dmabuf *vfbd = 758 vmw_framebuffer_to_vfbd(framebuffer); 759 760 drm_framebuffer_cleanup(framebuffer); 761 vmw_dmabuf_unreference(&vfbd->buffer); 762 ttm_base_object_unref(&vfbd->base.user_obj); 763 764 kfree(vfbd); 765 } 766 767 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv, 768 struct vmw_framebuffer *framebuffer, 769 unsigned flags, unsigned color, 770 struct drm_clip_rect *clips, 771 unsigned num_clips, int increment) 772 { 773 size_t fifo_size; 774 int i; 775 776 struct { 777 uint32_t header; 778 SVGAFifoCmdUpdate body; 779 } *cmd; 780 781 fifo_size = sizeof(*cmd) * num_clips; 782 cmd = vmw_fifo_reserve(dev_priv, fifo_size); 783 if (unlikely(cmd == NULL)) { 784 DRM_ERROR("Fifo reserve failed.\n"); 785 return -ENOMEM; 786 } 787 788 memset(cmd, 0, fifo_size); 789 for (i = 0; i < num_clips; i++, clips += increment) { 790 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE); 791 cmd[i].body.x = cpu_to_le32(clips->x1); 792 cmd[i].body.y = cpu_to_le32(clips->y1); 793 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1); 794 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1); 795 } 796 797 vmw_fifo_commit(dev_priv, fifo_size); 798 return 0; 799 } 800 801 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, 802 struct vmw_private *dev_priv, 803 struct vmw_framebuffer *framebuffer) 804 { 805 int depth = framebuffer->base.depth; 806 size_t fifo_size; 807 int ret; 808 809 struct { 810 uint32_t header; 811 SVGAFifoCmdDefineGMRFB body; 812 } *cmd; 813 814 /* Emulate RGBA support, contrary to svga_reg.h this is not 815 * supported by hosts. This is only a problem if we are reading 816 * this value later and expecting what we uploaded back. 817 */ 818 if (depth == 32) 819 depth = 24; 820 821 fifo_size = sizeof(*cmd); 822 cmd = kmalloc(fifo_size, GFP_KERNEL); 823 if (unlikely(cmd == NULL)) { 824 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 825 return -ENOMEM; 826 } 827 828 memset(cmd, 0, fifo_size); 829 cmd->header = SVGA_CMD_DEFINE_GMRFB; 830 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; 831 cmd->body.format.colorDepth = depth; 832 cmd->body.format.reserved = 0; 833 cmd->body.bytesPerLine = framebuffer->base.pitches[0]; 834 cmd->body.ptr.gmrId = framebuffer->user_handle; 835 cmd->body.ptr.offset = 0; 836 837 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 838 fifo_size, 0, NULL, NULL); 839 840 kfree(cmd); 841 842 return ret; 843 } 844 845 static int do_dmabuf_dirty_sou(struct drm_file *file_priv, 846 struct vmw_private *dev_priv, 847 struct vmw_framebuffer *framebuffer, 848 unsigned flags, unsigned color, 849 struct drm_clip_rect *clips, 850 unsigned num_clips, int increment, 851 struct vmw_fence_obj **out_fence) 852 { 853 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 854 struct drm_clip_rect *clips_ptr; 855 int i, k, num_units, ret; 856 struct drm_crtc *crtc; 857 size_t fifo_size; 858 859 struct { 860 uint32_t header; 861 SVGAFifoCmdBlitGMRFBToScreen body; 862 } *blits; 863 864 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer); 865 if (unlikely(ret != 0)) 866 return ret; /* define_gmrfb prints warnings */ 867 868 fifo_size = sizeof(*blits) * num_clips; 869 blits = kmalloc(fifo_size, GFP_KERNEL); 870 if (unlikely(blits == NULL)) { 871 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 872 return -ENOMEM; 873 } 874 875 num_units = 0; 876 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 877 if (crtc->fb != &framebuffer->base) 878 continue; 879 units[num_units++] = vmw_crtc_to_du(crtc); 880 } 881 882 for (k = 0; k < num_units; k++) { 883 struct vmw_display_unit *unit = units[k]; 884 int hit_num = 0; 885 886 clips_ptr = clips; 887 for (i = 0; i < num_clips; i++, clips_ptr += increment) { 888 int clip_x1 = clips_ptr->x1 - unit->crtc.x; 889 int clip_y1 = clips_ptr->y1 - unit->crtc.y; 890 int clip_x2 = clips_ptr->x2 - unit->crtc.x; 891 int clip_y2 = clips_ptr->y2 - unit->crtc.y; 892 int move_x, move_y; 893 894 /* skip any crtcs that misses the clip region */ 895 if (clip_x1 >= unit->crtc.mode.hdisplay || 896 clip_y1 >= unit->crtc.mode.vdisplay || 897 clip_x2 <= 0 || clip_y2 <= 0) 898 continue; 899 900 /* clip size to crtc size */ 901 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay); 902 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay); 903 904 /* translate both src and dest to bring clip into screen */ 905 move_x = min_t(int, clip_x1, 0); 906 move_y = min_t(int, clip_y1, 0); 907 908 /* actual translate done here */ 909 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; 910 blits[hit_num].body.destScreenId = unit->unit; 911 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x; 912 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y; 913 blits[hit_num].body.destRect.left = clip_x1 - move_x; 914 blits[hit_num].body.destRect.top = clip_y1 - move_y; 915 blits[hit_num].body.destRect.right = clip_x2; 916 blits[hit_num].body.destRect.bottom = clip_y2; 917 hit_num++; 918 } 919 920 /* no clips hit the crtc */ 921 if (hit_num == 0) 922 continue; 923 924 /* only return the last fence */ 925 if (out_fence && *out_fence) 926 vmw_fence_obj_unreference(out_fence); 927 928 fifo_size = sizeof(*blits) * hit_num; 929 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits, 930 fifo_size, 0, NULL, out_fence); 931 932 if (unlikely(ret != 0)) 933 break; 934 } 935 936 kfree(blits); 937 938 return ret; 939 } 940 941 int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, 942 struct drm_file *file_priv, 943 unsigned flags, unsigned color, 944 struct drm_clip_rect *clips, 945 unsigned num_clips) 946 { 947 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 948 struct vmw_master *vmaster = vmw_master(file_priv->master); 949 struct vmw_framebuffer_dmabuf *vfbd = 950 vmw_framebuffer_to_vfbd(framebuffer); 951 struct drm_clip_rect norect; 952 int ret, increment = 1; 953 954 ret = ttm_read_lock(&vmaster->lock, true); 955 if (unlikely(ret != 0)) 956 return ret; 957 958 if (!num_clips) { 959 num_clips = 1; 960 clips = &norect; 961 norect.x1 = norect.y1 = 0; 962 norect.x2 = framebuffer->width; 963 norect.y2 = framebuffer->height; 964 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 965 num_clips /= 2; 966 increment = 2; 967 } 968 969 if (dev_priv->ldu_priv) { 970 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base, 971 flags, color, 972 clips, num_clips, increment); 973 } else { 974 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base, 975 flags, color, 976 clips, num_clips, increment, NULL); 977 } 978 979 ttm_read_unlock(&vmaster->lock); 980 return ret; 981 } 982 983 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { 984 .destroy = vmw_framebuffer_dmabuf_destroy, 985 .dirty = vmw_framebuffer_dmabuf_dirty, 986 }; 987 988 /** 989 * Pin the dmabuffer to the start of vram. 990 */ 991 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) 992 { 993 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 994 struct vmw_framebuffer_dmabuf *vfbd = 995 vmw_framebuffer_to_vfbd(&vfb->base); 996 int ret; 997 998 /* This code should not be used with screen objects */ 999 BUG_ON(dev_priv->sou_priv); 1000 1001 vmw_overlay_pause_all(dev_priv); 1002 1003 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false); 1004 1005 vmw_overlay_resume_all(dev_priv); 1006 1007 WARN_ON(ret != 0); 1008 1009 return 0; 1010 } 1011 1012 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) 1013 { 1014 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1015 struct vmw_framebuffer_dmabuf *vfbd = 1016 vmw_framebuffer_to_vfbd(&vfb->base); 1017 1018 if (!vfbd->buffer) { 1019 WARN_ON(!vfbd->buffer); 1020 return 0; 1021 } 1022 1023 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false); 1024 } 1025 1026 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, 1027 struct vmw_dma_buffer *dmabuf, 1028 struct vmw_framebuffer **out, 1029 const struct drm_mode_fb_cmd 1030 *mode_cmd) 1031 1032 { 1033 struct drm_device *dev = dev_priv->dev; 1034 struct vmw_framebuffer_dmabuf *vfbd; 1035 unsigned int requested_size; 1036 int ret; 1037 1038 requested_size = mode_cmd->height * mode_cmd->pitch; 1039 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) { 1040 DRM_ERROR("Screen buffer object size is too small " 1041 "for requested mode.\n"); 1042 return -EINVAL; 1043 } 1044 1045 /* Limited framebuffer color depth support for screen objects */ 1046 if (dev_priv->sou_priv) { 1047 switch (mode_cmd->depth) { 1048 case 32: 1049 case 24: 1050 /* Only support 32 bpp for 32 and 24 depth fbs */ 1051 if (mode_cmd->bpp == 32) 1052 break; 1053 1054 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1055 mode_cmd->depth, mode_cmd->bpp); 1056 return -EINVAL; 1057 case 16: 1058 case 15: 1059 /* Only support 16 bpp for 16 and 15 depth fbs */ 1060 if (mode_cmd->bpp == 16) 1061 break; 1062 1063 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1064 mode_cmd->depth, mode_cmd->bpp); 1065 return -EINVAL; 1066 default: 1067 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 1068 return -EINVAL; 1069 } 1070 } 1071 1072 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); 1073 if (!vfbd) { 1074 ret = -ENOMEM; 1075 goto out_err1; 1076 } 1077 1078 if (!vmw_dmabuf_reference(dmabuf)) { 1079 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf); 1080 ret = -EINVAL; 1081 goto out_err2; 1082 } 1083 1084 vfbd->base.base.bits_per_pixel = mode_cmd->bpp; 1085 vfbd->base.base.pitches[0] = mode_cmd->pitch; 1086 vfbd->base.base.depth = mode_cmd->depth; 1087 vfbd->base.base.width = mode_cmd->width; 1088 vfbd->base.base.height = mode_cmd->height; 1089 if (!dev_priv->sou_priv) { 1090 vfbd->base.pin = vmw_framebuffer_dmabuf_pin; 1091 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; 1092 } 1093 vfbd->base.dmabuf = true; 1094 vfbd->buffer = dmabuf; 1095 vfbd->base.user_handle = mode_cmd->handle; 1096 *out = &vfbd->base; 1097 1098 ret = drm_framebuffer_init(dev, &vfbd->base.base, 1099 &vmw_framebuffer_dmabuf_funcs); 1100 if (ret) 1101 goto out_err3; 1102 1103 return 0; 1104 1105 out_err3: 1106 vmw_dmabuf_unreference(&dmabuf); 1107 out_err2: 1108 kfree(vfbd); 1109 out_err1: 1110 return ret; 1111 } 1112 1113 /* 1114 * Generic Kernel modesetting functions 1115 */ 1116 1117 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, 1118 struct drm_file *file_priv, 1119 struct drm_mode_fb_cmd2 *mode_cmd2) 1120 { 1121 struct vmw_private *dev_priv = vmw_priv(dev); 1122 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 1123 struct vmw_framebuffer *vfb = NULL; 1124 struct vmw_surface *surface = NULL; 1125 struct vmw_dma_buffer *bo = NULL; 1126 struct ttm_base_object *user_obj; 1127 struct drm_mode_fb_cmd mode_cmd; 1128 int ret; 1129 1130 mode_cmd.width = mode_cmd2->width; 1131 mode_cmd.height = mode_cmd2->height; 1132 mode_cmd.pitch = mode_cmd2->pitches[0]; 1133 mode_cmd.handle = mode_cmd2->handles[0]; 1134 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth, 1135 &mode_cmd.bpp); 1136 1137 /** 1138 * This code should be conditioned on Screen Objects not being used. 1139 * If screen objects are used, we can allocate a GMR to hold the 1140 * requested framebuffer. 1141 */ 1142 1143 if (!vmw_kms_validate_mode_vram(dev_priv, 1144 mode_cmd.pitch, 1145 mode_cmd.height)) { 1146 DRM_ERROR("VRAM size is too small for requested mode.\n"); 1147 return ERR_PTR(-ENOMEM); 1148 } 1149 1150 /* 1151 * Take a reference on the user object of the resource 1152 * backing the kms fb. This ensures that user-space handle 1153 * lookups on that resource will always work as long as 1154 * it's registered with a kms framebuffer. This is important, 1155 * since vmw_execbuf_process identifies resources in the 1156 * command stream using user-space handles. 1157 */ 1158 1159 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle); 1160 if (unlikely(user_obj == NULL)) { 1161 DRM_ERROR("Could not locate requested kms frame buffer.\n"); 1162 return ERR_PTR(-ENOENT); 1163 } 1164 1165 /** 1166 * End conditioned code. 1167 */ 1168 1169 /* returns either a dmabuf or surface */ 1170 ret = vmw_user_lookup_handle(dev_priv, tfile, 1171 mode_cmd.handle, 1172 &surface, &bo); 1173 if (ret) 1174 goto err_out; 1175 1176 /* Create the new framebuffer depending one what we got back */ 1177 if (bo) 1178 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, 1179 &mode_cmd); 1180 else if (surface) 1181 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, 1182 surface, &vfb, &mode_cmd); 1183 else 1184 BUG(); 1185 1186 err_out: 1187 /* vmw_user_lookup_handle takes one ref so does new_fb */ 1188 if (bo) 1189 vmw_dmabuf_unreference(&bo); 1190 if (surface) 1191 vmw_surface_unreference(&surface); 1192 1193 if (ret) { 1194 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); 1195 ttm_base_object_unref(&user_obj); 1196 return ERR_PTR(ret); 1197 } else 1198 vfb->user_obj = user_obj; 1199 1200 return &vfb->base; 1201 } 1202 1203 static const struct drm_mode_config_funcs vmw_kms_funcs = { 1204 .fb_create = vmw_kms_fb_create, 1205 }; 1206 1207 int vmw_kms_present(struct vmw_private *dev_priv, 1208 struct drm_file *file_priv, 1209 struct vmw_framebuffer *vfb, 1210 struct vmw_surface *surface, 1211 uint32_t sid, 1212 int32_t destX, int32_t destY, 1213 struct drm_vmw_rect *clips, 1214 uint32_t num_clips) 1215 { 1216 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1217 struct drm_clip_rect *tmp; 1218 struct drm_crtc *crtc; 1219 size_t fifo_size; 1220 int i, k, num_units; 1221 int ret = 0; /* silence warning */ 1222 int left, right, top, bottom; 1223 1224 struct { 1225 SVGA3dCmdHeader header; 1226 SVGA3dCmdBlitSurfaceToScreen body; 1227 } *cmd; 1228 SVGASignedRect *blits; 1229 1230 num_units = 0; 1231 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1232 if (crtc->fb != &vfb->base) 1233 continue; 1234 units[num_units++] = vmw_crtc_to_du(crtc); 1235 } 1236 1237 BUG_ON(surface == NULL); 1238 BUG_ON(!clips || !num_clips); 1239 1240 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 1241 if (unlikely(tmp == NULL)) { 1242 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 1243 return -ENOMEM; 1244 } 1245 1246 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 1247 cmd = kmalloc(fifo_size, GFP_KERNEL); 1248 if (unlikely(cmd == NULL)) { 1249 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1250 ret = -ENOMEM; 1251 goto out_free_tmp; 1252 } 1253 1254 left = clips->x; 1255 right = clips->x + clips->w; 1256 top = clips->y; 1257 bottom = clips->y + clips->h; 1258 1259 for (i = 1; i < num_clips; i++) { 1260 left = min_t(int, left, (int)clips[i].x); 1261 right = max_t(int, right, (int)clips[i].x + clips[i].w); 1262 top = min_t(int, top, (int)clips[i].y); 1263 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h); 1264 } 1265 1266 /* only need to do this once */ 1267 memset(cmd, 0, fifo_size); 1268 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 1269 1270 blits = (SVGASignedRect *)&cmd[1]; 1271 1272 cmd->body.srcRect.left = left; 1273 cmd->body.srcRect.right = right; 1274 cmd->body.srcRect.top = top; 1275 cmd->body.srcRect.bottom = bottom; 1276 1277 for (i = 0; i < num_clips; i++) { 1278 tmp[i].x1 = clips[i].x - left; 1279 tmp[i].x2 = clips[i].x + clips[i].w - left; 1280 tmp[i].y1 = clips[i].y - top; 1281 tmp[i].y2 = clips[i].y + clips[i].h - top; 1282 } 1283 1284 for (k = 0; k < num_units; k++) { 1285 struct vmw_display_unit *unit = units[k]; 1286 struct vmw_clip_rect clip; 1287 int num; 1288 1289 clip.x1 = left + destX - unit->crtc.x; 1290 clip.y1 = top + destY - unit->crtc.y; 1291 clip.x2 = right + destX - unit->crtc.x; 1292 clip.y2 = bottom + destY - unit->crtc.y; 1293 1294 /* skip any crtcs that misses the clip region */ 1295 if (clip.x1 >= unit->crtc.mode.hdisplay || 1296 clip.y1 >= unit->crtc.mode.vdisplay || 1297 clip.x2 <= 0 || clip.y2 <= 0) 1298 continue; 1299 1300 /* 1301 * In order for the clip rects to be correctly scaled 1302 * the src and dest rects needs to be the same size. 1303 */ 1304 cmd->body.destRect.left = clip.x1; 1305 cmd->body.destRect.right = clip.x2; 1306 cmd->body.destRect.top = clip.y1; 1307 cmd->body.destRect.bottom = clip.y2; 1308 1309 /* create a clip rect of the crtc in dest coords */ 1310 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 1311 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 1312 clip.x1 = 0 - clip.x1; 1313 clip.y1 = 0 - clip.y1; 1314 1315 /* need to reset sid as it is changed by execbuf */ 1316 cmd->body.srcImage.sid = sid; 1317 cmd->body.destScreenId = unit->unit; 1318 1319 /* clip and write blits to cmd stream */ 1320 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 1321 1322 /* if no cliprects hit skip this */ 1323 if (num == 0) 1324 continue; 1325 1326 /* recalculate package length */ 1327 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 1328 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 1329 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 1330 fifo_size, 0, NULL, NULL); 1331 1332 if (unlikely(ret != 0)) 1333 break; 1334 } 1335 1336 kfree(cmd); 1337 out_free_tmp: 1338 kfree(tmp); 1339 1340 return ret; 1341 } 1342 1343 int vmw_kms_readback(struct vmw_private *dev_priv, 1344 struct drm_file *file_priv, 1345 struct vmw_framebuffer *vfb, 1346 struct drm_vmw_fence_rep __user *user_fence_rep, 1347 struct drm_vmw_rect *clips, 1348 uint32_t num_clips) 1349 { 1350 struct vmw_framebuffer_dmabuf *vfbd = 1351 vmw_framebuffer_to_vfbd(&vfb->base); 1352 struct vmw_dma_buffer *dmabuf = vfbd->buffer; 1353 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1354 struct drm_crtc *crtc; 1355 size_t fifo_size; 1356 int i, k, ret, num_units, blits_pos; 1357 1358 struct { 1359 uint32_t header; 1360 SVGAFifoCmdDefineGMRFB body; 1361 } *cmd; 1362 struct { 1363 uint32_t header; 1364 SVGAFifoCmdBlitScreenToGMRFB body; 1365 } *blits; 1366 1367 num_units = 0; 1368 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1369 if (crtc->fb != &vfb->base) 1370 continue; 1371 units[num_units++] = vmw_crtc_to_du(crtc); 1372 } 1373 1374 BUG_ON(dmabuf == NULL); 1375 BUG_ON(!clips || !num_clips); 1376 1377 /* take a safe guess at fifo size */ 1378 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units; 1379 cmd = kmalloc(fifo_size, GFP_KERNEL); 1380 if (unlikely(cmd == NULL)) { 1381 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1382 return -ENOMEM; 1383 } 1384 1385 memset(cmd, 0, fifo_size); 1386 cmd->header = SVGA_CMD_DEFINE_GMRFB; 1387 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel; 1388 cmd->body.format.colorDepth = vfb->base.depth; 1389 cmd->body.format.reserved = 0; 1390 cmd->body.bytesPerLine = vfb->base.pitches[0]; 1391 cmd->body.ptr.gmrId = vfb->user_handle; 1392 cmd->body.ptr.offset = 0; 1393 1394 blits = (void *)&cmd[1]; 1395 blits_pos = 0; 1396 for (i = 0; i < num_units; i++) { 1397 struct drm_vmw_rect *c = clips; 1398 for (k = 0; k < num_clips; k++, c++) { 1399 /* transform clip coords to crtc origin based coords */ 1400 int clip_x1 = c->x - units[i]->crtc.x; 1401 int clip_x2 = c->x - units[i]->crtc.x + c->w; 1402 int clip_y1 = c->y - units[i]->crtc.y; 1403 int clip_y2 = c->y - units[i]->crtc.y + c->h; 1404 int dest_x = c->x; 1405 int dest_y = c->y; 1406 1407 /* compensate for clipping, we negate 1408 * a negative number and add that. 1409 */ 1410 if (clip_x1 < 0) 1411 dest_x += -clip_x1; 1412 if (clip_y1 < 0) 1413 dest_y += -clip_y1; 1414 1415 /* clip */ 1416 clip_x1 = max(clip_x1, 0); 1417 clip_y1 = max(clip_y1, 0); 1418 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay); 1419 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay); 1420 1421 /* and cull any rects that misses the crtc */ 1422 if (clip_x1 >= units[i]->crtc.mode.hdisplay || 1423 clip_y1 >= units[i]->crtc.mode.vdisplay || 1424 clip_x2 <= 0 || clip_y2 <= 0) 1425 continue; 1426 1427 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; 1428 blits[blits_pos].body.srcScreenId = units[i]->unit; 1429 blits[blits_pos].body.destOrigin.x = dest_x; 1430 blits[blits_pos].body.destOrigin.y = dest_y; 1431 1432 blits[blits_pos].body.srcRect.left = clip_x1; 1433 blits[blits_pos].body.srcRect.top = clip_y1; 1434 blits[blits_pos].body.srcRect.right = clip_x2; 1435 blits[blits_pos].body.srcRect.bottom = clip_y2; 1436 blits_pos++; 1437 } 1438 } 1439 /* reset size here and use calculated exact size from loops */ 1440 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos; 1441 1442 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size, 1443 0, user_fence_rep, NULL); 1444 1445 kfree(cmd); 1446 1447 return ret; 1448 } 1449 1450 int vmw_kms_init(struct vmw_private *dev_priv) 1451 { 1452 struct drm_device *dev = dev_priv->dev; 1453 int ret; 1454 1455 drm_mode_config_init(dev); 1456 dev->mode_config.funcs = &vmw_kms_funcs; 1457 dev->mode_config.min_width = 1; 1458 dev->mode_config.min_height = 1; 1459 /* assumed largest fb size */ 1460 dev->mode_config.max_width = 8192; 1461 dev->mode_config.max_height = 8192; 1462 1463 ret = vmw_kms_init_screen_object_display(dev_priv); 1464 if (ret) /* Fallback */ 1465 (void)vmw_kms_init_legacy_display_system(dev_priv); 1466 1467 return 0; 1468 } 1469 1470 int vmw_kms_close(struct vmw_private *dev_priv) 1471 { 1472 /* 1473 * Docs says we should take the lock before calling this function 1474 * but since it destroys encoders and our destructor calls 1475 * drm_encoder_cleanup which takes the lock we deadlock. 1476 */ 1477 drm_mode_config_cleanup(dev_priv->dev); 1478 if (dev_priv->sou_priv) 1479 vmw_kms_close_screen_object_display(dev_priv); 1480 else 1481 vmw_kms_close_legacy_display_system(dev_priv); 1482 return 0; 1483 } 1484 1485 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1486 struct drm_file *file_priv) 1487 { 1488 struct drm_vmw_cursor_bypass_arg *arg = data; 1489 struct vmw_display_unit *du; 1490 struct drm_mode_object *obj; 1491 struct drm_crtc *crtc; 1492 int ret = 0; 1493 1494 1495 mutex_lock(&dev->mode_config.mutex); 1496 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) { 1497 1498 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1499 du = vmw_crtc_to_du(crtc); 1500 du->hotspot_x = arg->xhot; 1501 du->hotspot_y = arg->yhot; 1502 } 1503 1504 mutex_unlock(&dev->mode_config.mutex); 1505 return 0; 1506 } 1507 1508 obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC); 1509 if (!obj) { 1510 ret = -EINVAL; 1511 goto out; 1512 } 1513 1514 crtc = obj_to_crtc(obj); 1515 du = vmw_crtc_to_du(crtc); 1516 1517 du->hotspot_x = arg->xhot; 1518 du->hotspot_y = arg->yhot; 1519 1520 out: 1521 mutex_unlock(&dev->mode_config.mutex); 1522 1523 return ret; 1524 } 1525 1526 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1527 unsigned width, unsigned height, unsigned pitch, 1528 unsigned bpp, unsigned depth) 1529 { 1530 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1531 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch); 1532 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1533 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1534 vmw_write(vmw_priv, SVGA_REG_WIDTH, width); 1535 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); 1536 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp); 1537 1538 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) { 1539 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n", 1540 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH)); 1541 return -EINVAL; 1542 } 1543 1544 return 0; 1545 } 1546 1547 int vmw_kms_save_vga(struct vmw_private *vmw_priv) 1548 { 1549 struct vmw_vga_topology_state *save; 1550 uint32_t i; 1551 1552 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); 1553 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); 1554 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); 1555 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1556 vmw_priv->vga_pitchlock = 1557 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK); 1558 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1559 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt + 1560 SVGA_FIFO_PITCHLOCK); 1561 1562 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1563 return 0; 1564 1565 vmw_priv->num_displays = vmw_read(vmw_priv, 1566 SVGA_REG_NUM_GUEST_DISPLAYS); 1567 1568 if (vmw_priv->num_displays == 0) 1569 vmw_priv->num_displays = 1; 1570 1571 for (i = 0; i < vmw_priv->num_displays; ++i) { 1572 save = &vmw_priv->vga_save[i]; 1573 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1574 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY); 1575 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X); 1576 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y); 1577 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); 1578 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); 1579 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1580 if (i == 0 && vmw_priv->num_displays == 1 && 1581 save->width == 0 && save->height == 0) { 1582 1583 /* 1584 * It should be fairly safe to assume that these 1585 * values are uninitialized. 1586 */ 1587 1588 save->width = vmw_priv->vga_width - save->pos_x; 1589 save->height = vmw_priv->vga_height - save->pos_y; 1590 } 1591 } 1592 1593 return 0; 1594 } 1595 1596 int vmw_kms_restore_vga(struct vmw_private *vmw_priv) 1597 { 1598 struct vmw_vga_topology_state *save; 1599 uint32_t i; 1600 1601 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); 1602 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); 1603 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); 1604 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1605 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, 1606 vmw_priv->vga_pitchlock); 1607 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1608 iowrite32(vmw_priv->vga_pitchlock, 1609 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1610 1611 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1612 return 0; 1613 1614 for (i = 0; i < vmw_priv->num_displays; ++i) { 1615 save = &vmw_priv->vga_save[i]; 1616 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1617 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary); 1618 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x); 1619 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y); 1620 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width); 1621 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height); 1622 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1623 } 1624 1625 return 0; 1626 } 1627 1628 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1629 uint32_t pitch, 1630 uint32_t height) 1631 { 1632 return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size; 1633 } 1634 1635 1636 /** 1637 * Function called by DRM code called with vbl_lock held. 1638 */ 1639 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc) 1640 { 1641 return 0; 1642 } 1643 1644 /** 1645 * Function called by DRM code called with vbl_lock held. 1646 */ 1647 int vmw_enable_vblank(struct drm_device *dev, int crtc) 1648 { 1649 return -ENOSYS; 1650 } 1651 1652 /** 1653 * Function called by DRM code called with vbl_lock held. 1654 */ 1655 void vmw_disable_vblank(struct drm_device *dev, int crtc) 1656 { 1657 } 1658 1659 1660 /* 1661 * Small shared kms functions. 1662 */ 1663 1664 int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num, 1665 struct drm_vmw_rect *rects) 1666 { 1667 struct drm_device *dev = dev_priv->dev; 1668 struct vmw_display_unit *du; 1669 struct drm_connector *con; 1670 1671 mutex_lock(&dev->mode_config.mutex); 1672 1673 #if 0 1674 { 1675 unsigned int i; 1676 1677 DRM_INFO("%s: new layout ", __func__); 1678 for (i = 0; i < num; i++) 1679 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, 1680 rects[i].w, rects[i].h); 1681 DRM_INFO("\n"); 1682 } 1683 #endif 1684 1685 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 1686 du = vmw_connector_to_du(con); 1687 if (num > du->unit) { 1688 du->pref_width = rects[du->unit].w; 1689 du->pref_height = rects[du->unit].h; 1690 du->pref_active = true; 1691 du->gui_x = rects[du->unit].x; 1692 du->gui_y = rects[du->unit].y; 1693 } else { 1694 du->pref_width = 800; 1695 du->pref_height = 600; 1696 du->pref_active = false; 1697 } 1698 con->status = vmw_du_connector_detect(con, true); 1699 } 1700 1701 mutex_unlock(&dev->mode_config.mutex); 1702 1703 return 0; 1704 } 1705 1706 int vmw_du_page_flip(struct drm_crtc *crtc, 1707 struct drm_framebuffer *fb, 1708 struct drm_pending_vblank_event *event) 1709 { 1710 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1711 struct drm_framebuffer *old_fb = crtc->fb; 1712 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); 1713 struct drm_file *file_priv ; 1714 struct vmw_fence_obj *fence = NULL; 1715 struct drm_clip_rect clips; 1716 int ret; 1717 1718 if (event == NULL) 1719 return -EINVAL; 1720 1721 /* require ScreenObject support for page flipping */ 1722 if (!dev_priv->sou_priv) 1723 return -ENOSYS; 1724 1725 file_priv = event->base.file_priv; 1726 if (!vmw_kms_screen_object_flippable(dev_priv, crtc)) 1727 return -EINVAL; 1728 1729 crtc->fb = fb; 1730 1731 /* do a full screen dirty update */ 1732 clips.x1 = clips.y1 = 0; 1733 clips.x2 = fb->width; 1734 clips.y2 = fb->height; 1735 1736 if (vfb->dmabuf) 1737 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb, 1738 0, 0, &clips, 1, 1, &fence); 1739 else 1740 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb, 1741 0, 0, &clips, 1, 1, &fence); 1742 1743 1744 if (ret != 0) 1745 goto out_no_fence; 1746 if (!fence) { 1747 ret = -EINVAL; 1748 goto out_no_fence; 1749 } 1750 1751 ret = vmw_event_fence_action_queue(file_priv, fence, 1752 &event->base, 1753 &event->event.tv_sec, 1754 &event->event.tv_usec, 1755 true); 1756 1757 /* 1758 * No need to hold on to this now. The only cleanup 1759 * we need to do if we fail is unref the fence. 1760 */ 1761 vmw_fence_obj_unreference(&fence); 1762 1763 if (vmw_crtc_to_du(crtc)->is_implicit) 1764 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc); 1765 1766 return ret; 1767 1768 out_no_fence: 1769 crtc->fb = old_fb; 1770 return ret; 1771 } 1772 1773 1774 void vmw_du_crtc_save(struct drm_crtc *crtc) 1775 { 1776 } 1777 1778 void vmw_du_crtc_restore(struct drm_crtc *crtc) 1779 { 1780 } 1781 1782 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, 1783 u16 *r, u16 *g, u16 *b, 1784 uint32_t start, uint32_t size) 1785 { 1786 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1787 int i; 1788 1789 for (i = 0; i < size; i++) { 1790 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i, 1791 r[i], g[i], b[i]); 1792 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8); 1793 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8); 1794 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8); 1795 } 1796 } 1797 1798 void vmw_du_connector_dpms(struct drm_connector *connector, int mode) 1799 { 1800 } 1801 1802 void vmw_du_connector_save(struct drm_connector *connector) 1803 { 1804 } 1805 1806 void vmw_du_connector_restore(struct drm_connector *connector) 1807 { 1808 } 1809 1810 enum drm_connector_status 1811 vmw_du_connector_detect(struct drm_connector *connector, bool force) 1812 { 1813 uint32_t num_displays; 1814 struct drm_device *dev = connector->dev; 1815 struct vmw_private *dev_priv = vmw_priv(dev); 1816 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1817 1818 mutex_lock(&dev_priv->hw_mutex); 1819 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS); 1820 mutex_unlock(&dev_priv->hw_mutex); 1821 1822 return ((vmw_connector_to_du(connector)->unit < num_displays && 1823 du->pref_active) ? 1824 connector_status_connected : connector_status_disconnected); 1825 } 1826 1827 static struct drm_display_mode vmw_kms_connector_builtin[] = { 1828 /* 640x480@60Hz */ 1829 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 1830 752, 800, 0, 480, 489, 492, 525, 0, 1831 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1832 /* 800x600@60Hz */ 1833 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 1834 968, 1056, 0, 600, 601, 605, 628, 0, 1835 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1836 /* 1024x768@60Hz */ 1837 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1838 1184, 1344, 0, 768, 771, 777, 806, 0, 1839 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1840 /* 1152x864@75Hz */ 1841 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 1842 1344, 1600, 0, 864, 865, 868, 900, 0, 1843 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1844 /* 1280x768@60Hz */ 1845 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 1846 1472, 1664, 0, 768, 771, 778, 798, 0, 1847 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1848 /* 1280x800@60Hz */ 1849 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 1850 1480, 1680, 0, 800, 803, 809, 831, 0, 1851 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1852 /* 1280x960@60Hz */ 1853 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 1854 1488, 1800, 0, 960, 961, 964, 1000, 0, 1855 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1856 /* 1280x1024@60Hz */ 1857 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 1858 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 1859 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1860 /* 1360x768@60Hz */ 1861 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 1862 1536, 1792, 0, 768, 771, 777, 795, 0, 1863 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1864 /* 1440x1050@60Hz */ 1865 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 1866 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 1867 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1868 /* 1440x900@60Hz */ 1869 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 1870 1672, 1904, 0, 900, 903, 909, 934, 0, 1871 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1872 /* 1600x1200@60Hz */ 1873 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 1874 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 1875 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1876 /* 1680x1050@60Hz */ 1877 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 1878 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 1879 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1880 /* 1792x1344@60Hz */ 1881 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 1882 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 1883 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1884 /* 1853x1392@60Hz */ 1885 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 1886 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 1887 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1888 /* 1920x1200@60Hz */ 1889 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 1890 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 1891 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1892 /* 1920x1440@60Hz */ 1893 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 1894 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 1895 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1896 /* 2560x1600@60Hz */ 1897 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 1898 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 1899 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1900 /* Terminate */ 1901 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 1902 }; 1903 1904 /** 1905 * vmw_guess_mode_timing - Provide fake timings for a 1906 * 60Hz vrefresh mode. 1907 * 1908 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay 1909 * members filled in. 1910 */ 1911 static void vmw_guess_mode_timing(struct drm_display_mode *mode) 1912 { 1913 mode->hsync_start = mode->hdisplay + 50; 1914 mode->hsync_end = mode->hsync_start + 50; 1915 mode->htotal = mode->hsync_end + 50; 1916 1917 mode->vsync_start = mode->vdisplay + 50; 1918 mode->vsync_end = mode->vsync_start + 50; 1919 mode->vtotal = mode->vsync_end + 50; 1920 1921 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6; 1922 mode->vrefresh = drm_mode_vrefresh(mode); 1923 } 1924 1925 1926 int vmw_du_connector_fill_modes(struct drm_connector *connector, 1927 uint32_t max_width, uint32_t max_height) 1928 { 1929 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1930 struct drm_device *dev = connector->dev; 1931 struct vmw_private *dev_priv = vmw_priv(dev); 1932 struct drm_display_mode *mode = NULL; 1933 struct drm_display_mode *bmode; 1934 struct drm_display_mode prefmode = { DRM_MODE("preferred", 1935 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 1936 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1937 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 1938 }; 1939 int i; 1940 1941 /* Add preferred mode */ 1942 { 1943 mode = drm_mode_duplicate(dev, &prefmode); 1944 if (!mode) 1945 return 0; 1946 mode->hdisplay = du->pref_width; 1947 mode->vdisplay = du->pref_height; 1948 vmw_guess_mode_timing(mode); 1949 1950 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, 1951 mode->vdisplay)) { 1952 drm_mode_probed_add(connector, mode); 1953 } else { 1954 drm_mode_destroy(dev, mode); 1955 mode = NULL; 1956 } 1957 1958 if (du->pref_mode) { 1959 list_del_init(&du->pref_mode->head); 1960 drm_mode_destroy(dev, du->pref_mode); 1961 } 1962 1963 /* mode might be null here, this is intended */ 1964 du->pref_mode = mode; 1965 } 1966 1967 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) { 1968 bmode = &vmw_kms_connector_builtin[i]; 1969 if (bmode->hdisplay > max_width || 1970 bmode->vdisplay > max_height) 1971 continue; 1972 1973 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, 1974 bmode->vdisplay)) 1975 continue; 1976 1977 mode = drm_mode_duplicate(dev, bmode); 1978 if (!mode) 1979 return 0; 1980 mode->vrefresh = drm_mode_vrefresh(mode); 1981 1982 drm_mode_probed_add(connector, mode); 1983 } 1984 1985 /* Move the prefered mode first, help apps pick the right mode. */ 1986 if (du->pref_mode) 1987 list_move(&du->pref_mode->head, &connector->probed_modes); 1988 1989 drm_mode_connector_list_update(connector); 1990 1991 return 1; 1992 } 1993 1994 int vmw_du_connector_set_property(struct drm_connector *connector, 1995 struct drm_property *property, 1996 uint64_t val) 1997 { 1998 return 0; 1999 } 2000 2001 2002 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 2003 struct drm_file *file_priv) 2004 { 2005 struct vmw_private *dev_priv = vmw_priv(dev); 2006 struct drm_vmw_update_layout_arg *arg = 2007 (struct drm_vmw_update_layout_arg *)data; 2008 struct vmw_master *vmaster = vmw_master(file_priv->master); 2009 void __user *user_rects; 2010 struct drm_vmw_rect *rects; 2011 unsigned rects_size; 2012 int ret; 2013 int i; 2014 struct drm_mode_config *mode_config = &dev->mode_config; 2015 2016 ret = ttm_read_lock(&vmaster->lock, true); 2017 if (unlikely(ret != 0)) 2018 return ret; 2019 2020 if (!arg->num_outputs) { 2021 struct drm_vmw_rect def_rect = {0, 0, 800, 600}; 2022 vmw_du_update_layout(dev_priv, 1, &def_rect); 2023 goto out_unlock; 2024 } 2025 2026 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); 2027 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect), 2028 GFP_KERNEL); 2029 if (unlikely(!rects)) { 2030 ret = -ENOMEM; 2031 goto out_unlock; 2032 } 2033 2034 user_rects = (void __user *)(unsigned long)arg->rects; 2035 ret = copy_from_user(rects, user_rects, rects_size); 2036 if (unlikely(ret != 0)) { 2037 DRM_ERROR("Failed to get rects.\n"); 2038 ret = -EFAULT; 2039 goto out_free; 2040 } 2041 2042 for (i = 0; i < arg->num_outputs; ++i) { 2043 if (rects[i].x < 0 || 2044 rects[i].y < 0 || 2045 rects[i].x + rects[i].w > mode_config->max_width || 2046 rects[i].y + rects[i].h > mode_config->max_height) { 2047 DRM_ERROR("Invalid GUI layout.\n"); 2048 ret = -EINVAL; 2049 goto out_free; 2050 } 2051 } 2052 2053 vmw_du_update_layout(dev_priv, arg->num_outputs, rects); 2054 2055 out_free: 2056 kfree(rects); 2057 out_unlock: 2058 ttm_read_unlock(&vmaster->lock); 2059 return ret; 2060 } 2061