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_sysfs_connector_remove(&du->connector); 79 drm_crtc_cleanup(&du->crtc); 80 drm_encoder_cleanup(&du->encoder); 81 drm_connector_cleanup(&du->connector); 82 } 83 84 /* 85 * Display Unit Cursor functions 86 */ 87 88 int vmw_cursor_update_image(struct vmw_private *dev_priv, 89 u32 *image, u32 width, u32 height, 90 u32 hotspotX, u32 hotspotY) 91 { 92 struct { 93 u32 cmd; 94 SVGAFifoCmdDefineAlphaCursor cursor; 95 } *cmd; 96 u32 image_size = width * height * 4; 97 u32 cmd_size = sizeof(*cmd) + image_size; 98 99 if (!image) 100 return -EINVAL; 101 102 cmd = vmw_fifo_reserve(dev_priv, cmd_size); 103 if (unlikely(cmd == NULL)) { 104 DRM_ERROR("Fifo reserve failed.\n"); 105 return -ENOMEM; 106 } 107 108 memset(cmd, 0, sizeof(*cmd)); 109 110 memcpy(&cmd[1], image, image_size); 111 112 cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR); 113 cmd->cursor.id = cpu_to_le32(0); 114 cmd->cursor.width = cpu_to_le32(width); 115 cmd->cursor.height = cpu_to_le32(height); 116 cmd->cursor.hotspotX = cpu_to_le32(hotspotX); 117 cmd->cursor.hotspotY = cpu_to_le32(hotspotY); 118 119 vmw_fifo_commit(dev_priv, cmd_size); 120 121 return 0; 122 } 123 124 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv, 125 struct vmw_dma_buffer *dmabuf, 126 u32 width, u32 height, 127 u32 hotspotX, u32 hotspotY) 128 { 129 struct ttm_bo_kmap_obj map; 130 unsigned long kmap_offset; 131 unsigned long kmap_num; 132 void *virtual; 133 bool dummy; 134 int ret; 135 136 kmap_offset = 0; 137 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT; 138 139 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0); 140 if (unlikely(ret != 0)) { 141 DRM_ERROR("reserve failed\n"); 142 return -EINVAL; 143 } 144 145 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map); 146 if (unlikely(ret != 0)) 147 goto err_unreserve; 148 149 virtual = ttm_kmap_obj_virtual(&map, &dummy); 150 ret = vmw_cursor_update_image(dev_priv, virtual, width, height, 151 hotspotX, hotspotY); 152 153 ttm_bo_kunmap(&map); 154 err_unreserve: 155 ttm_bo_unreserve(&dmabuf->base); 156 157 return ret; 158 } 159 160 161 void vmw_cursor_update_position(struct vmw_private *dev_priv, 162 bool show, int x, int y) 163 { 164 __le32 __iomem *fifo_mem = dev_priv->mmio_virt; 165 uint32_t count; 166 167 iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON); 168 iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X); 169 iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y); 170 count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT); 171 iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT); 172 } 173 174 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, 175 uint32_t handle, uint32_t width, uint32_t height) 176 { 177 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 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 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 201 202 ret = vmw_user_lookup_handle(dev_priv, tfile, 203 handle, &surface, &dmabuf); 204 if (ret) { 205 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); 206 ret = -EINVAL; 207 goto out; 208 } 209 } 210 211 /* need to do this before taking down old image */ 212 if (surface && !surface->snooper.image) { 213 DRM_ERROR("surface not suitable for cursor\n"); 214 vmw_surface_unreference(&surface); 215 ret = -EINVAL; 216 goto out; 217 } 218 219 /* takedown old cursor */ 220 if (du->cursor_surface) { 221 du->cursor_surface->snooper.crtc = NULL; 222 vmw_surface_unreference(&du->cursor_surface); 223 } 224 if (du->cursor_dmabuf) 225 vmw_dmabuf_unreference(&du->cursor_dmabuf); 226 227 /* setup new image */ 228 if (surface) { 229 /* vmw_user_surface_lookup takes one reference */ 230 du->cursor_surface = surface; 231 232 du->cursor_surface->snooper.crtc = crtc; 233 du->cursor_age = du->cursor_surface->snooper.age; 234 vmw_cursor_update_image(dev_priv, surface->snooper.image, 235 64, 64, du->hotspot_x, du->hotspot_y); 236 } else if (dmabuf) { 237 /* vmw_user_surface_lookup takes one reference */ 238 du->cursor_dmabuf = dmabuf; 239 240 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height, 241 du->hotspot_x, du->hotspot_y); 242 } else { 243 vmw_cursor_update_position(dev_priv, false, 0, 0); 244 ret = 0; 245 goto out; 246 } 247 248 vmw_cursor_update_position(dev_priv, true, 249 du->cursor_x + du->hotspot_x, 250 du->cursor_y + du->hotspot_y); 251 252 ret = 0; 253 out: 254 drm_modeset_unlock_all(dev_priv->dev); 255 mutex_lock(&crtc->mutex); 256 257 return ret; 258 } 259 260 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) 261 { 262 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 263 struct vmw_display_unit *du = vmw_crtc_to_du(crtc); 264 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false; 265 266 du->cursor_x = x + crtc->x; 267 du->cursor_y = y + crtc->y; 268 269 /* 270 * FIXME: Unclear whether there's any global state touched by the 271 * cursor_set function, especially vmw_cursor_update_position looks 272 * suspicious. For now take the easy route and reacquire all locks. We 273 * can do this since the caller in the drm core doesn't check anything 274 * which is protected by any looks. 275 */ 276 mutex_unlock(&crtc->mutex); 277 drm_modeset_lock_all(dev_priv->dev); 278 279 vmw_cursor_update_position(dev_priv, shown, 280 du->cursor_x + du->hotspot_x, 281 du->cursor_y + du->hotspot_y); 282 283 drm_modeset_unlock_all(dev_priv->dev); 284 mutex_lock(&crtc->mutex); 285 286 return 0; 287 } 288 289 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 290 struct ttm_object_file *tfile, 291 struct ttm_buffer_object *bo, 292 SVGA3dCmdHeader *header) 293 { 294 struct ttm_bo_kmap_obj map; 295 unsigned long kmap_offset; 296 unsigned long kmap_num; 297 SVGA3dCopyBox *box; 298 unsigned box_count; 299 void *virtual; 300 bool dummy; 301 struct vmw_dma_cmd { 302 SVGA3dCmdHeader header; 303 SVGA3dCmdSurfaceDMA dma; 304 } *cmd; 305 int i, ret; 306 307 cmd = container_of(header, struct vmw_dma_cmd, header); 308 309 /* No snooper installed */ 310 if (!srf->snooper.image) 311 return; 312 313 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) { 314 DRM_ERROR("face and mipmap for cursors should never != 0\n"); 315 return; 316 } 317 318 if (cmd->header.size < 64) { 319 DRM_ERROR("at least one full copy box must be given\n"); 320 return; 321 } 322 323 box = (SVGA3dCopyBox *)&cmd[1]; 324 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) / 325 sizeof(SVGA3dCopyBox); 326 327 if (cmd->dma.guest.ptr.offset % PAGE_SIZE || 328 box->x != 0 || box->y != 0 || box->z != 0 || 329 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 || 330 box->d != 1 || box_count != 1) { 331 /* TODO handle none page aligned offsets */ 332 /* TODO handle more dst & src != 0 */ 333 /* TODO handle more then one copy */ 334 DRM_ERROR("Cant snoop dma request for cursor!\n"); 335 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n", 336 box->srcx, box->srcy, box->srcz, 337 box->x, box->y, box->z, 338 box->w, box->h, box->d, box_count, 339 cmd->dma.guest.ptr.offset); 340 return; 341 } 342 343 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT; 344 kmap_num = (64*64*4) >> PAGE_SHIFT; 345 346 ret = ttm_bo_reserve(bo, true, false, false, 0); 347 if (unlikely(ret != 0)) { 348 DRM_ERROR("reserve failed\n"); 349 return; 350 } 351 352 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map); 353 if (unlikely(ret != 0)) 354 goto err_unreserve; 355 356 virtual = ttm_kmap_obj_virtual(&map, &dummy); 357 358 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) { 359 memcpy(srf->snooper.image, virtual, 64*64*4); 360 } else { 361 /* Image is unsigned pointer. */ 362 for (i = 0; i < box->h; i++) 363 memcpy(srf->snooper.image + i * 64, 364 virtual + i * cmd->dma.guest.pitch, 365 box->w * 4); 366 } 367 368 srf->snooper.age++; 369 370 /* we can't call this function from this function since execbuf has 371 * reserved fifo space. 372 * 373 * if (srf->snooper.crtc) 374 * vmw_ldu_crtc_cursor_update_image(dev_priv, 375 * srf->snooper.image, 64, 64, 376 * du->hotspot_x, du->hotspot_y); 377 */ 378 379 ttm_bo_kunmap(&map); 380 err_unreserve: 381 ttm_bo_unreserve(bo); 382 } 383 384 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) 385 { 386 struct drm_device *dev = dev_priv->dev; 387 struct vmw_display_unit *du; 388 struct drm_crtc *crtc; 389 390 mutex_lock(&dev->mode_config.mutex); 391 392 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 393 du = vmw_crtc_to_du(crtc); 394 if (!du->cursor_surface || 395 du->cursor_age == du->cursor_surface->snooper.age) 396 continue; 397 398 du->cursor_age = du->cursor_surface->snooper.age; 399 vmw_cursor_update_image(dev_priv, 400 du->cursor_surface->snooper.image, 401 64, 64, du->hotspot_x, du->hotspot_y); 402 } 403 404 mutex_unlock(&dev->mode_config.mutex); 405 } 406 407 /* 408 * Generic framebuffer code 409 */ 410 411 /* 412 * Surface framebuffer code 413 */ 414 415 #define vmw_framebuffer_to_vfbs(x) \ 416 container_of(x, struct vmw_framebuffer_surface, base.base) 417 418 struct vmw_framebuffer_surface { 419 struct vmw_framebuffer base; 420 struct vmw_surface *surface; 421 struct vmw_dma_buffer *buffer; 422 struct list_head head; 423 struct drm_master *master; 424 }; 425 426 void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer) 427 { 428 struct vmw_framebuffer_surface *vfbs = 429 vmw_framebuffer_to_vfbs(framebuffer); 430 struct vmw_master *vmaster = vmw_master(vfbs->master); 431 432 433 mutex_lock(&vmaster->fb_surf_mutex); 434 list_del(&vfbs->head); 435 mutex_unlock(&vmaster->fb_surf_mutex); 436 437 drm_master_put(&vfbs->master); 438 drm_framebuffer_cleanup(framebuffer); 439 vmw_surface_unreference(&vfbs->surface); 440 ttm_base_object_unref(&vfbs->base.user_obj); 441 442 kfree(vfbs); 443 } 444 445 static int do_surface_dirty_sou(struct vmw_private *dev_priv, 446 struct drm_file *file_priv, 447 struct vmw_framebuffer *framebuffer, 448 unsigned flags, unsigned color, 449 struct drm_clip_rect *clips, 450 unsigned num_clips, int inc, 451 struct vmw_fence_obj **out_fence) 452 { 453 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 454 struct drm_clip_rect *clips_ptr; 455 struct drm_clip_rect *tmp; 456 struct drm_crtc *crtc; 457 size_t fifo_size; 458 int i, num_units; 459 int ret = 0; /* silence warning */ 460 int left, right, top, bottom; 461 462 struct { 463 SVGA3dCmdHeader header; 464 SVGA3dCmdBlitSurfaceToScreen body; 465 } *cmd; 466 SVGASignedRect *blits; 467 468 num_units = 0; 469 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, 470 head) { 471 if (crtc->fb != &framebuffer->base) 472 continue; 473 units[num_units++] = vmw_crtc_to_du(crtc); 474 } 475 476 BUG_ON(!clips || !num_clips); 477 478 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 479 if (unlikely(tmp == NULL)) { 480 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 481 return -ENOMEM; 482 } 483 484 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 485 cmd = kzalloc(fifo_size, GFP_KERNEL); 486 if (unlikely(cmd == NULL)) { 487 DRM_ERROR("Temporary fifo memory alloc failed.\n"); 488 ret = -ENOMEM; 489 goto out_free_tmp; 490 } 491 492 /* setup blits pointer */ 493 blits = (SVGASignedRect *)&cmd[1]; 494 495 /* initial clip region */ 496 left = clips->x1; 497 right = clips->x2; 498 top = clips->y1; 499 bottom = clips->y2; 500 501 /* skip the first clip rect */ 502 for (i = 1, clips_ptr = clips + inc; 503 i < num_clips; i++, clips_ptr += inc) { 504 left = min_t(int, left, (int)clips_ptr->x1); 505 right = max_t(int, right, (int)clips_ptr->x2); 506 top = min_t(int, top, (int)clips_ptr->y1); 507 bottom = max_t(int, bottom, (int)clips_ptr->y2); 508 } 509 510 /* only need to do this once */ 511 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 512 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 513 514 cmd->body.srcRect.left = left; 515 cmd->body.srcRect.right = right; 516 cmd->body.srcRect.top = top; 517 cmd->body.srcRect.bottom = bottom; 518 519 clips_ptr = clips; 520 for (i = 0; i < num_clips; i++, clips_ptr += inc) { 521 tmp[i].x1 = clips_ptr->x1 - left; 522 tmp[i].x2 = clips_ptr->x2 - left; 523 tmp[i].y1 = clips_ptr->y1 - top; 524 tmp[i].y2 = clips_ptr->y2 - top; 525 } 526 527 /* do per unit writing, reuse fifo for each */ 528 for (i = 0; i < num_units; i++) { 529 struct vmw_display_unit *unit = units[i]; 530 struct vmw_clip_rect clip; 531 int num; 532 533 clip.x1 = left - unit->crtc.x; 534 clip.y1 = top - unit->crtc.y; 535 clip.x2 = right - unit->crtc.x; 536 clip.y2 = bottom - unit->crtc.y; 537 538 /* skip any crtcs that misses the clip region */ 539 if (clip.x1 >= unit->crtc.mode.hdisplay || 540 clip.y1 >= unit->crtc.mode.vdisplay || 541 clip.x2 <= 0 || clip.y2 <= 0) 542 continue; 543 544 /* 545 * In order for the clip rects to be correctly scaled 546 * the src and dest rects needs to be the same size. 547 */ 548 cmd->body.destRect.left = clip.x1; 549 cmd->body.destRect.right = clip.x2; 550 cmd->body.destRect.top = clip.y1; 551 cmd->body.destRect.bottom = clip.y2; 552 553 /* create a clip rect of the crtc in dest coords */ 554 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 555 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 556 clip.x1 = 0 - clip.x1; 557 clip.y1 = 0 - clip.y1; 558 559 /* need to reset sid as it is changed by execbuf */ 560 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle); 561 cmd->body.destScreenId = unit->unit; 562 563 /* clip and write blits to cmd stream */ 564 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 565 566 /* if no cliprects hit skip this */ 567 if (num == 0) 568 continue; 569 570 /* only return the last fence */ 571 if (out_fence && *out_fence) 572 vmw_fence_obj_unreference(out_fence); 573 574 /* recalculate package length */ 575 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 576 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 577 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 578 fifo_size, 0, NULL, out_fence); 579 580 if (unlikely(ret != 0)) 581 break; 582 } 583 584 585 kfree(cmd); 586 out_free_tmp: 587 kfree(tmp); 588 589 return ret; 590 } 591 592 int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, 593 struct drm_file *file_priv, 594 unsigned flags, unsigned color, 595 struct drm_clip_rect *clips, 596 unsigned num_clips) 597 { 598 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 599 struct vmw_master *vmaster = vmw_master(file_priv->master); 600 struct vmw_framebuffer_surface *vfbs = 601 vmw_framebuffer_to_vfbs(framebuffer); 602 struct drm_clip_rect norect; 603 int ret, inc = 1; 604 605 if (unlikely(vfbs->master != file_priv->master)) 606 return -EINVAL; 607 608 /* Require ScreenObject support for 3D */ 609 if (!dev_priv->sou_priv) 610 return -EINVAL; 611 612 ret = ttm_read_lock(&vmaster->lock, true); 613 if (unlikely(ret != 0)) 614 return ret; 615 616 if (!num_clips) { 617 num_clips = 1; 618 clips = &norect; 619 norect.x1 = norect.y1 = 0; 620 norect.x2 = framebuffer->width; 621 norect.y2 = framebuffer->height; 622 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 623 num_clips /= 2; 624 inc = 2; /* skip source rects */ 625 } 626 627 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base, 628 flags, color, 629 clips, num_clips, inc, NULL); 630 631 ttm_read_unlock(&vmaster->lock); 632 return 0; 633 } 634 635 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { 636 .destroy = vmw_framebuffer_surface_destroy, 637 .dirty = vmw_framebuffer_surface_dirty, 638 }; 639 640 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, 641 struct drm_file *file_priv, 642 struct vmw_surface *surface, 643 struct vmw_framebuffer **out, 644 const struct drm_mode_fb_cmd 645 *mode_cmd) 646 647 { 648 struct drm_device *dev = dev_priv->dev; 649 struct vmw_framebuffer_surface *vfbs; 650 enum SVGA3dSurfaceFormat format; 651 struct vmw_master *vmaster = vmw_master(file_priv->master); 652 int ret; 653 654 /* 3D is only supported on HWv8 hosts which supports screen objects */ 655 if (!dev_priv->sou_priv) 656 return -ENOSYS; 657 658 /* 659 * Sanity checks. 660 */ 661 662 /* Surface must be marked as a scanout. */ 663 if (unlikely(!surface->scanout)) 664 return -EINVAL; 665 666 if (unlikely(surface->mip_levels[0] != 1 || 667 surface->num_sizes != 1 || 668 surface->sizes[0].width < mode_cmd->width || 669 surface->sizes[0].height < mode_cmd->height || 670 surface->sizes[0].depth != 1)) { 671 DRM_ERROR("Incompatible surface dimensions " 672 "for requested mode.\n"); 673 return -EINVAL; 674 } 675 676 switch (mode_cmd->depth) { 677 case 32: 678 format = SVGA3D_A8R8G8B8; 679 break; 680 case 24: 681 format = SVGA3D_X8R8G8B8; 682 break; 683 case 16: 684 format = SVGA3D_R5G6B5; 685 break; 686 case 15: 687 format = SVGA3D_A1R5G5B5; 688 break; 689 case 8: 690 format = SVGA3D_LUMINANCE8; 691 break; 692 default: 693 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 694 return -EINVAL; 695 } 696 697 if (unlikely(format != surface->format)) { 698 DRM_ERROR("Invalid surface format for requested mode.\n"); 699 return -EINVAL; 700 } 701 702 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); 703 if (!vfbs) { 704 ret = -ENOMEM; 705 goto out_err1; 706 } 707 708 if (!vmw_surface_reference(surface)) { 709 DRM_ERROR("failed to reference surface %p\n", surface); 710 ret = -EINVAL; 711 goto out_err2; 712 } 713 714 /* XXX get the first 3 from the surface info */ 715 vfbs->base.base.bits_per_pixel = mode_cmd->bpp; 716 vfbs->base.base.pitches[0] = mode_cmd->pitch; 717 vfbs->base.base.depth = mode_cmd->depth; 718 vfbs->base.base.width = mode_cmd->width; 719 vfbs->base.base.height = mode_cmd->height; 720 vfbs->surface = surface; 721 vfbs->base.user_handle = mode_cmd->handle; 722 vfbs->master = drm_master_get(file_priv->master); 723 724 mutex_lock(&vmaster->fb_surf_mutex); 725 list_add_tail(&vfbs->head, &vmaster->fb_surf); 726 mutex_unlock(&vmaster->fb_surf_mutex); 727 728 *out = &vfbs->base; 729 730 ret = drm_framebuffer_init(dev, &vfbs->base.base, 731 &vmw_framebuffer_surface_funcs); 732 if (ret) 733 goto out_err3; 734 735 return 0; 736 737 out_err3: 738 vmw_surface_unreference(&surface); 739 out_err2: 740 kfree(vfbs); 741 out_err1: 742 return ret; 743 } 744 745 /* 746 * Dmabuf framebuffer code 747 */ 748 749 #define vmw_framebuffer_to_vfbd(x) \ 750 container_of(x, struct vmw_framebuffer_dmabuf, base.base) 751 752 struct vmw_framebuffer_dmabuf { 753 struct vmw_framebuffer base; 754 struct vmw_dma_buffer *buffer; 755 }; 756 757 void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) 758 { 759 struct vmw_framebuffer_dmabuf *vfbd = 760 vmw_framebuffer_to_vfbd(framebuffer); 761 762 drm_framebuffer_cleanup(framebuffer); 763 vmw_dmabuf_unreference(&vfbd->buffer); 764 ttm_base_object_unref(&vfbd->base.user_obj); 765 766 kfree(vfbd); 767 } 768 769 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv, 770 struct vmw_framebuffer *framebuffer, 771 unsigned flags, unsigned color, 772 struct drm_clip_rect *clips, 773 unsigned num_clips, int increment) 774 { 775 size_t fifo_size; 776 int i; 777 778 struct { 779 uint32_t header; 780 SVGAFifoCmdUpdate body; 781 } *cmd; 782 783 fifo_size = sizeof(*cmd) * num_clips; 784 cmd = vmw_fifo_reserve(dev_priv, fifo_size); 785 if (unlikely(cmd == NULL)) { 786 DRM_ERROR("Fifo reserve failed.\n"); 787 return -ENOMEM; 788 } 789 790 memset(cmd, 0, fifo_size); 791 for (i = 0; i < num_clips; i++, clips += increment) { 792 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE); 793 cmd[i].body.x = cpu_to_le32(clips->x1); 794 cmd[i].body.y = cpu_to_le32(clips->y1); 795 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1); 796 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1); 797 } 798 799 vmw_fifo_commit(dev_priv, fifo_size); 800 return 0; 801 } 802 803 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, 804 struct vmw_private *dev_priv, 805 struct vmw_framebuffer *framebuffer) 806 { 807 int depth = framebuffer->base.depth; 808 size_t fifo_size; 809 int ret; 810 811 struct { 812 uint32_t header; 813 SVGAFifoCmdDefineGMRFB body; 814 } *cmd; 815 816 /* Emulate RGBA support, contrary to svga_reg.h this is not 817 * supported by hosts. This is only a problem if we are reading 818 * this value later and expecting what we uploaded back. 819 */ 820 if (depth == 32) 821 depth = 24; 822 823 fifo_size = sizeof(*cmd); 824 cmd = kmalloc(fifo_size, GFP_KERNEL); 825 if (unlikely(cmd == NULL)) { 826 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 827 return -ENOMEM; 828 } 829 830 memset(cmd, 0, fifo_size); 831 cmd->header = SVGA_CMD_DEFINE_GMRFB; 832 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; 833 cmd->body.format.colorDepth = depth; 834 cmd->body.format.reserved = 0; 835 cmd->body.bytesPerLine = framebuffer->base.pitches[0]; 836 cmd->body.ptr.gmrId = framebuffer->user_handle; 837 cmd->body.ptr.offset = 0; 838 839 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 840 fifo_size, 0, NULL, NULL); 841 842 kfree(cmd); 843 844 return ret; 845 } 846 847 static int do_dmabuf_dirty_sou(struct drm_file *file_priv, 848 struct vmw_private *dev_priv, 849 struct vmw_framebuffer *framebuffer, 850 unsigned flags, unsigned color, 851 struct drm_clip_rect *clips, 852 unsigned num_clips, int increment, 853 struct vmw_fence_obj **out_fence) 854 { 855 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 856 struct drm_clip_rect *clips_ptr; 857 int i, k, num_units, ret; 858 struct drm_crtc *crtc; 859 size_t fifo_size; 860 861 struct { 862 uint32_t header; 863 SVGAFifoCmdBlitGMRFBToScreen body; 864 } *blits; 865 866 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer); 867 if (unlikely(ret != 0)) 868 return ret; /* define_gmrfb prints warnings */ 869 870 fifo_size = sizeof(*blits) * num_clips; 871 blits = kmalloc(fifo_size, GFP_KERNEL); 872 if (unlikely(blits == NULL)) { 873 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 874 return -ENOMEM; 875 } 876 877 num_units = 0; 878 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 879 if (crtc->fb != &framebuffer->base) 880 continue; 881 units[num_units++] = vmw_crtc_to_du(crtc); 882 } 883 884 for (k = 0; k < num_units; k++) { 885 struct vmw_display_unit *unit = units[k]; 886 int hit_num = 0; 887 888 clips_ptr = clips; 889 for (i = 0; i < num_clips; i++, clips_ptr += increment) { 890 int clip_x1 = clips_ptr->x1 - unit->crtc.x; 891 int clip_y1 = clips_ptr->y1 - unit->crtc.y; 892 int clip_x2 = clips_ptr->x2 - unit->crtc.x; 893 int clip_y2 = clips_ptr->y2 - unit->crtc.y; 894 int move_x, move_y; 895 896 /* skip any crtcs that misses the clip region */ 897 if (clip_x1 >= unit->crtc.mode.hdisplay || 898 clip_y1 >= unit->crtc.mode.vdisplay || 899 clip_x2 <= 0 || clip_y2 <= 0) 900 continue; 901 902 /* clip size to crtc size */ 903 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay); 904 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay); 905 906 /* translate both src and dest to bring clip into screen */ 907 move_x = min_t(int, clip_x1, 0); 908 move_y = min_t(int, clip_y1, 0); 909 910 /* actual translate done here */ 911 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; 912 blits[hit_num].body.destScreenId = unit->unit; 913 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x; 914 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y; 915 blits[hit_num].body.destRect.left = clip_x1 - move_x; 916 blits[hit_num].body.destRect.top = clip_y1 - move_y; 917 blits[hit_num].body.destRect.right = clip_x2; 918 blits[hit_num].body.destRect.bottom = clip_y2; 919 hit_num++; 920 } 921 922 /* no clips hit the crtc */ 923 if (hit_num == 0) 924 continue; 925 926 /* only return the last fence */ 927 if (out_fence && *out_fence) 928 vmw_fence_obj_unreference(out_fence); 929 930 fifo_size = sizeof(*blits) * hit_num; 931 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits, 932 fifo_size, 0, NULL, out_fence); 933 934 if (unlikely(ret != 0)) 935 break; 936 } 937 938 kfree(blits); 939 940 return ret; 941 } 942 943 int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, 944 struct drm_file *file_priv, 945 unsigned flags, unsigned color, 946 struct drm_clip_rect *clips, 947 unsigned num_clips) 948 { 949 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 950 struct vmw_master *vmaster = vmw_master(file_priv->master); 951 struct vmw_framebuffer_dmabuf *vfbd = 952 vmw_framebuffer_to_vfbd(framebuffer); 953 struct drm_clip_rect norect; 954 int ret, increment = 1; 955 956 ret = ttm_read_lock(&vmaster->lock, true); 957 if (unlikely(ret != 0)) 958 return ret; 959 960 if (!num_clips) { 961 num_clips = 1; 962 clips = &norect; 963 norect.x1 = norect.y1 = 0; 964 norect.x2 = framebuffer->width; 965 norect.y2 = framebuffer->height; 966 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 967 num_clips /= 2; 968 increment = 2; 969 } 970 971 if (dev_priv->ldu_priv) { 972 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base, 973 flags, color, 974 clips, num_clips, increment); 975 } else { 976 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base, 977 flags, color, 978 clips, num_clips, increment, NULL); 979 } 980 981 ttm_read_unlock(&vmaster->lock); 982 return ret; 983 } 984 985 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { 986 .destroy = vmw_framebuffer_dmabuf_destroy, 987 .dirty = vmw_framebuffer_dmabuf_dirty, 988 }; 989 990 /** 991 * Pin the dmabuffer to the start of vram. 992 */ 993 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) 994 { 995 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 996 struct vmw_framebuffer_dmabuf *vfbd = 997 vmw_framebuffer_to_vfbd(&vfb->base); 998 int ret; 999 1000 /* This code should not be used with screen objects */ 1001 BUG_ON(dev_priv->sou_priv); 1002 1003 vmw_overlay_pause_all(dev_priv); 1004 1005 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false); 1006 1007 vmw_overlay_resume_all(dev_priv); 1008 1009 WARN_ON(ret != 0); 1010 1011 return 0; 1012 } 1013 1014 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) 1015 { 1016 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1017 struct vmw_framebuffer_dmabuf *vfbd = 1018 vmw_framebuffer_to_vfbd(&vfb->base); 1019 1020 if (!vfbd->buffer) { 1021 WARN_ON(!vfbd->buffer); 1022 return 0; 1023 } 1024 1025 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false); 1026 } 1027 1028 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, 1029 struct vmw_dma_buffer *dmabuf, 1030 struct vmw_framebuffer **out, 1031 const struct drm_mode_fb_cmd 1032 *mode_cmd) 1033 1034 { 1035 struct drm_device *dev = dev_priv->dev; 1036 struct vmw_framebuffer_dmabuf *vfbd; 1037 unsigned int requested_size; 1038 int ret; 1039 1040 requested_size = mode_cmd->height * mode_cmd->pitch; 1041 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) { 1042 DRM_ERROR("Screen buffer object size is too small " 1043 "for requested mode.\n"); 1044 return -EINVAL; 1045 } 1046 1047 /* Limited framebuffer color depth support for screen objects */ 1048 if (dev_priv->sou_priv) { 1049 switch (mode_cmd->depth) { 1050 case 32: 1051 case 24: 1052 /* Only support 32 bpp for 32 and 24 depth fbs */ 1053 if (mode_cmd->bpp == 32) 1054 break; 1055 1056 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1057 mode_cmd->depth, mode_cmd->bpp); 1058 return -EINVAL; 1059 case 16: 1060 case 15: 1061 /* Only support 16 bpp for 16 and 15 depth fbs */ 1062 if (mode_cmd->bpp == 16) 1063 break; 1064 1065 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1066 mode_cmd->depth, mode_cmd->bpp); 1067 return -EINVAL; 1068 default: 1069 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 1070 return -EINVAL; 1071 } 1072 } 1073 1074 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); 1075 if (!vfbd) { 1076 ret = -ENOMEM; 1077 goto out_err1; 1078 } 1079 1080 if (!vmw_dmabuf_reference(dmabuf)) { 1081 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf); 1082 ret = -EINVAL; 1083 goto out_err2; 1084 } 1085 1086 vfbd->base.base.bits_per_pixel = mode_cmd->bpp; 1087 vfbd->base.base.pitches[0] = mode_cmd->pitch; 1088 vfbd->base.base.depth = mode_cmd->depth; 1089 vfbd->base.base.width = mode_cmd->width; 1090 vfbd->base.base.height = mode_cmd->height; 1091 if (!dev_priv->sou_priv) { 1092 vfbd->base.pin = vmw_framebuffer_dmabuf_pin; 1093 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; 1094 } 1095 vfbd->base.dmabuf = true; 1096 vfbd->buffer = dmabuf; 1097 vfbd->base.user_handle = mode_cmd->handle; 1098 *out = &vfbd->base; 1099 1100 ret = drm_framebuffer_init(dev, &vfbd->base.base, 1101 &vmw_framebuffer_dmabuf_funcs); 1102 if (ret) 1103 goto out_err3; 1104 1105 return 0; 1106 1107 out_err3: 1108 vmw_dmabuf_unreference(&dmabuf); 1109 out_err2: 1110 kfree(vfbd); 1111 out_err1: 1112 return ret; 1113 } 1114 1115 /* 1116 * Generic Kernel modesetting functions 1117 */ 1118 1119 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, 1120 struct drm_file *file_priv, 1121 struct drm_mode_fb_cmd2 *mode_cmd2) 1122 { 1123 struct vmw_private *dev_priv = vmw_priv(dev); 1124 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 1125 struct vmw_framebuffer *vfb = NULL; 1126 struct vmw_surface *surface = NULL; 1127 struct vmw_dma_buffer *bo = NULL; 1128 struct ttm_base_object *user_obj; 1129 struct drm_mode_fb_cmd mode_cmd; 1130 int ret; 1131 1132 mode_cmd.width = mode_cmd2->width; 1133 mode_cmd.height = mode_cmd2->height; 1134 mode_cmd.pitch = mode_cmd2->pitches[0]; 1135 mode_cmd.handle = mode_cmd2->handles[0]; 1136 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth, 1137 &mode_cmd.bpp); 1138 1139 /** 1140 * This code should be conditioned on Screen Objects not being used. 1141 * If screen objects are used, we can allocate a GMR to hold the 1142 * requested framebuffer. 1143 */ 1144 1145 if (!vmw_kms_validate_mode_vram(dev_priv, 1146 mode_cmd.pitch, 1147 mode_cmd.height)) { 1148 DRM_ERROR("VRAM size is too small for requested mode.\n"); 1149 return ERR_PTR(-ENOMEM); 1150 } 1151 1152 /* 1153 * Take a reference on the user object of the resource 1154 * backing the kms fb. This ensures that user-space handle 1155 * lookups on that resource will always work as long as 1156 * it's registered with a kms framebuffer. This is important, 1157 * since vmw_execbuf_process identifies resources in the 1158 * command stream using user-space handles. 1159 */ 1160 1161 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle); 1162 if (unlikely(user_obj == NULL)) { 1163 DRM_ERROR("Could not locate requested kms frame buffer.\n"); 1164 return ERR_PTR(-ENOENT); 1165 } 1166 1167 /** 1168 * End conditioned code. 1169 */ 1170 1171 /* returns either a dmabuf or surface */ 1172 ret = vmw_user_lookup_handle(dev_priv, tfile, 1173 mode_cmd.handle, 1174 &surface, &bo); 1175 if (ret) 1176 goto err_out; 1177 1178 /* Create the new framebuffer depending one what we got back */ 1179 if (bo) 1180 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, 1181 &mode_cmd); 1182 else if (surface) 1183 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, 1184 surface, &vfb, &mode_cmd); 1185 else 1186 BUG(); 1187 1188 err_out: 1189 /* vmw_user_lookup_handle takes one ref so does new_fb */ 1190 if (bo) 1191 vmw_dmabuf_unreference(&bo); 1192 if (surface) 1193 vmw_surface_unreference(&surface); 1194 1195 if (ret) { 1196 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); 1197 ttm_base_object_unref(&user_obj); 1198 return ERR_PTR(ret); 1199 } else 1200 vfb->user_obj = user_obj; 1201 1202 return &vfb->base; 1203 } 1204 1205 static const struct drm_mode_config_funcs vmw_kms_funcs = { 1206 .fb_create = vmw_kms_fb_create, 1207 }; 1208 1209 int vmw_kms_present(struct vmw_private *dev_priv, 1210 struct drm_file *file_priv, 1211 struct vmw_framebuffer *vfb, 1212 struct vmw_surface *surface, 1213 uint32_t sid, 1214 int32_t destX, int32_t destY, 1215 struct drm_vmw_rect *clips, 1216 uint32_t num_clips) 1217 { 1218 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1219 struct drm_clip_rect *tmp; 1220 struct drm_crtc *crtc; 1221 size_t fifo_size; 1222 int i, k, num_units; 1223 int ret = 0; /* silence warning */ 1224 int left, right, top, bottom; 1225 1226 struct { 1227 SVGA3dCmdHeader header; 1228 SVGA3dCmdBlitSurfaceToScreen body; 1229 } *cmd; 1230 SVGASignedRect *blits; 1231 1232 num_units = 0; 1233 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1234 if (crtc->fb != &vfb->base) 1235 continue; 1236 units[num_units++] = vmw_crtc_to_du(crtc); 1237 } 1238 1239 BUG_ON(surface == NULL); 1240 BUG_ON(!clips || !num_clips); 1241 1242 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 1243 if (unlikely(tmp == NULL)) { 1244 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 1245 return -ENOMEM; 1246 } 1247 1248 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 1249 cmd = kmalloc(fifo_size, GFP_KERNEL); 1250 if (unlikely(cmd == NULL)) { 1251 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1252 ret = -ENOMEM; 1253 goto out_free_tmp; 1254 } 1255 1256 left = clips->x; 1257 right = clips->x + clips->w; 1258 top = clips->y; 1259 bottom = clips->y + clips->h; 1260 1261 for (i = 1; i < num_clips; i++) { 1262 left = min_t(int, left, (int)clips[i].x); 1263 right = max_t(int, right, (int)clips[i].x + clips[i].w); 1264 top = min_t(int, top, (int)clips[i].y); 1265 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h); 1266 } 1267 1268 /* only need to do this once */ 1269 memset(cmd, 0, fifo_size); 1270 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 1271 1272 blits = (SVGASignedRect *)&cmd[1]; 1273 1274 cmd->body.srcRect.left = left; 1275 cmd->body.srcRect.right = right; 1276 cmd->body.srcRect.top = top; 1277 cmd->body.srcRect.bottom = bottom; 1278 1279 for (i = 0; i < num_clips; i++) { 1280 tmp[i].x1 = clips[i].x - left; 1281 tmp[i].x2 = clips[i].x + clips[i].w - left; 1282 tmp[i].y1 = clips[i].y - top; 1283 tmp[i].y2 = clips[i].y + clips[i].h - top; 1284 } 1285 1286 for (k = 0; k < num_units; k++) { 1287 struct vmw_display_unit *unit = units[k]; 1288 struct vmw_clip_rect clip; 1289 int num; 1290 1291 clip.x1 = left + destX - unit->crtc.x; 1292 clip.y1 = top + destY - unit->crtc.y; 1293 clip.x2 = right + destX - unit->crtc.x; 1294 clip.y2 = bottom + destY - unit->crtc.y; 1295 1296 /* skip any crtcs that misses the clip region */ 1297 if (clip.x1 >= unit->crtc.mode.hdisplay || 1298 clip.y1 >= unit->crtc.mode.vdisplay || 1299 clip.x2 <= 0 || clip.y2 <= 0) 1300 continue; 1301 1302 /* 1303 * In order for the clip rects to be correctly scaled 1304 * the src and dest rects needs to be the same size. 1305 */ 1306 cmd->body.destRect.left = clip.x1; 1307 cmd->body.destRect.right = clip.x2; 1308 cmd->body.destRect.top = clip.y1; 1309 cmd->body.destRect.bottom = clip.y2; 1310 1311 /* create a clip rect of the crtc in dest coords */ 1312 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 1313 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 1314 clip.x1 = 0 - clip.x1; 1315 clip.y1 = 0 - clip.y1; 1316 1317 /* need to reset sid as it is changed by execbuf */ 1318 cmd->body.srcImage.sid = sid; 1319 cmd->body.destScreenId = unit->unit; 1320 1321 /* clip and write blits to cmd stream */ 1322 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 1323 1324 /* if no cliprects hit skip this */ 1325 if (num == 0) 1326 continue; 1327 1328 /* recalculate package length */ 1329 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 1330 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 1331 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 1332 fifo_size, 0, NULL, NULL); 1333 1334 if (unlikely(ret != 0)) 1335 break; 1336 } 1337 1338 kfree(cmd); 1339 out_free_tmp: 1340 kfree(tmp); 1341 1342 return ret; 1343 } 1344 1345 int vmw_kms_readback(struct vmw_private *dev_priv, 1346 struct drm_file *file_priv, 1347 struct vmw_framebuffer *vfb, 1348 struct drm_vmw_fence_rep __user *user_fence_rep, 1349 struct drm_vmw_rect *clips, 1350 uint32_t num_clips) 1351 { 1352 struct vmw_framebuffer_dmabuf *vfbd = 1353 vmw_framebuffer_to_vfbd(&vfb->base); 1354 struct vmw_dma_buffer *dmabuf = vfbd->buffer; 1355 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1356 struct drm_crtc *crtc; 1357 size_t fifo_size; 1358 int i, k, ret, num_units, blits_pos; 1359 1360 struct { 1361 uint32_t header; 1362 SVGAFifoCmdDefineGMRFB body; 1363 } *cmd; 1364 struct { 1365 uint32_t header; 1366 SVGAFifoCmdBlitScreenToGMRFB body; 1367 } *blits; 1368 1369 num_units = 0; 1370 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1371 if (crtc->fb != &vfb->base) 1372 continue; 1373 units[num_units++] = vmw_crtc_to_du(crtc); 1374 } 1375 1376 BUG_ON(dmabuf == NULL); 1377 BUG_ON(!clips || !num_clips); 1378 1379 /* take a safe guess at fifo size */ 1380 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units; 1381 cmd = kmalloc(fifo_size, GFP_KERNEL); 1382 if (unlikely(cmd == NULL)) { 1383 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1384 return -ENOMEM; 1385 } 1386 1387 memset(cmd, 0, fifo_size); 1388 cmd->header = SVGA_CMD_DEFINE_GMRFB; 1389 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel; 1390 cmd->body.format.colorDepth = vfb->base.depth; 1391 cmd->body.format.reserved = 0; 1392 cmd->body.bytesPerLine = vfb->base.pitches[0]; 1393 cmd->body.ptr.gmrId = vfb->user_handle; 1394 cmd->body.ptr.offset = 0; 1395 1396 blits = (void *)&cmd[1]; 1397 blits_pos = 0; 1398 for (i = 0; i < num_units; i++) { 1399 struct drm_vmw_rect *c = clips; 1400 for (k = 0; k < num_clips; k++, c++) { 1401 /* transform clip coords to crtc origin based coords */ 1402 int clip_x1 = c->x - units[i]->crtc.x; 1403 int clip_x2 = c->x - units[i]->crtc.x + c->w; 1404 int clip_y1 = c->y - units[i]->crtc.y; 1405 int clip_y2 = c->y - units[i]->crtc.y + c->h; 1406 int dest_x = c->x; 1407 int dest_y = c->y; 1408 1409 /* compensate for clipping, we negate 1410 * a negative number and add that. 1411 */ 1412 if (clip_x1 < 0) 1413 dest_x += -clip_x1; 1414 if (clip_y1 < 0) 1415 dest_y += -clip_y1; 1416 1417 /* clip */ 1418 clip_x1 = max(clip_x1, 0); 1419 clip_y1 = max(clip_y1, 0); 1420 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay); 1421 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay); 1422 1423 /* and cull any rects that misses the crtc */ 1424 if (clip_x1 >= units[i]->crtc.mode.hdisplay || 1425 clip_y1 >= units[i]->crtc.mode.vdisplay || 1426 clip_x2 <= 0 || clip_y2 <= 0) 1427 continue; 1428 1429 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; 1430 blits[blits_pos].body.srcScreenId = units[i]->unit; 1431 blits[blits_pos].body.destOrigin.x = dest_x; 1432 blits[blits_pos].body.destOrigin.y = dest_y; 1433 1434 blits[blits_pos].body.srcRect.left = clip_x1; 1435 blits[blits_pos].body.srcRect.top = clip_y1; 1436 blits[blits_pos].body.srcRect.right = clip_x2; 1437 blits[blits_pos].body.srcRect.bottom = clip_y2; 1438 blits_pos++; 1439 } 1440 } 1441 /* reset size here and use calculated exact size from loops */ 1442 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos; 1443 1444 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size, 1445 0, user_fence_rep, NULL); 1446 1447 kfree(cmd); 1448 1449 return ret; 1450 } 1451 1452 int vmw_kms_init(struct vmw_private *dev_priv) 1453 { 1454 struct drm_device *dev = dev_priv->dev; 1455 int ret; 1456 1457 drm_mode_config_init(dev); 1458 dev->mode_config.funcs = &vmw_kms_funcs; 1459 dev->mode_config.min_width = 1; 1460 dev->mode_config.min_height = 1; 1461 /* assumed largest fb size */ 1462 dev->mode_config.max_width = 8192; 1463 dev->mode_config.max_height = 8192; 1464 1465 ret = vmw_kms_init_screen_object_display(dev_priv); 1466 if (ret) /* Fallback */ 1467 (void)vmw_kms_init_legacy_display_system(dev_priv); 1468 1469 return 0; 1470 } 1471 1472 int vmw_kms_close(struct vmw_private *dev_priv) 1473 { 1474 /* 1475 * Docs says we should take the lock before calling this function 1476 * but since it destroys encoders and our destructor calls 1477 * drm_encoder_cleanup which takes the lock we deadlock. 1478 */ 1479 drm_mode_config_cleanup(dev_priv->dev); 1480 if (dev_priv->sou_priv) 1481 vmw_kms_close_screen_object_display(dev_priv); 1482 else 1483 vmw_kms_close_legacy_display_system(dev_priv); 1484 return 0; 1485 } 1486 1487 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1488 struct drm_file *file_priv) 1489 { 1490 struct drm_vmw_cursor_bypass_arg *arg = data; 1491 struct vmw_display_unit *du; 1492 struct drm_mode_object *obj; 1493 struct drm_crtc *crtc; 1494 int ret = 0; 1495 1496 1497 mutex_lock(&dev->mode_config.mutex); 1498 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) { 1499 1500 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1501 du = vmw_crtc_to_du(crtc); 1502 du->hotspot_x = arg->xhot; 1503 du->hotspot_y = arg->yhot; 1504 } 1505 1506 mutex_unlock(&dev->mode_config.mutex); 1507 return 0; 1508 } 1509 1510 obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC); 1511 if (!obj) { 1512 ret = -ENOENT; 1513 goto out; 1514 } 1515 1516 crtc = obj_to_crtc(obj); 1517 du = vmw_crtc_to_du(crtc); 1518 1519 du->hotspot_x = arg->xhot; 1520 du->hotspot_y = arg->yhot; 1521 1522 out: 1523 mutex_unlock(&dev->mode_config.mutex); 1524 1525 return ret; 1526 } 1527 1528 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1529 unsigned width, unsigned height, unsigned pitch, 1530 unsigned bpp, unsigned depth) 1531 { 1532 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1533 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch); 1534 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1535 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1536 vmw_write(vmw_priv, SVGA_REG_WIDTH, width); 1537 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); 1538 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp); 1539 1540 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) { 1541 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n", 1542 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH)); 1543 return -EINVAL; 1544 } 1545 1546 return 0; 1547 } 1548 1549 int vmw_kms_save_vga(struct vmw_private *vmw_priv) 1550 { 1551 struct vmw_vga_topology_state *save; 1552 uint32_t i; 1553 1554 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); 1555 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); 1556 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); 1557 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1558 vmw_priv->vga_pitchlock = 1559 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK); 1560 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1561 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt + 1562 SVGA_FIFO_PITCHLOCK); 1563 1564 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1565 return 0; 1566 1567 vmw_priv->num_displays = vmw_read(vmw_priv, 1568 SVGA_REG_NUM_GUEST_DISPLAYS); 1569 1570 if (vmw_priv->num_displays == 0) 1571 vmw_priv->num_displays = 1; 1572 1573 for (i = 0; i < vmw_priv->num_displays; ++i) { 1574 save = &vmw_priv->vga_save[i]; 1575 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1576 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY); 1577 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X); 1578 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y); 1579 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); 1580 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); 1581 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1582 if (i == 0 && vmw_priv->num_displays == 1 && 1583 save->width == 0 && save->height == 0) { 1584 1585 /* 1586 * It should be fairly safe to assume that these 1587 * values are uninitialized. 1588 */ 1589 1590 save->width = vmw_priv->vga_width - save->pos_x; 1591 save->height = vmw_priv->vga_height - save->pos_y; 1592 } 1593 } 1594 1595 return 0; 1596 } 1597 1598 int vmw_kms_restore_vga(struct vmw_private *vmw_priv) 1599 { 1600 struct vmw_vga_topology_state *save; 1601 uint32_t i; 1602 1603 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); 1604 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); 1605 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); 1606 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1607 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, 1608 vmw_priv->vga_pitchlock); 1609 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1610 iowrite32(vmw_priv->vga_pitchlock, 1611 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1612 1613 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1614 return 0; 1615 1616 for (i = 0; i < vmw_priv->num_displays; ++i) { 1617 save = &vmw_priv->vga_save[i]; 1618 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1619 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary); 1620 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x); 1621 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y); 1622 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width); 1623 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height); 1624 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1625 } 1626 1627 return 0; 1628 } 1629 1630 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1631 uint32_t pitch, 1632 uint32_t height) 1633 { 1634 return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size; 1635 } 1636 1637 1638 /** 1639 * Function called by DRM code called with vbl_lock held. 1640 */ 1641 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc) 1642 { 1643 return 0; 1644 } 1645 1646 /** 1647 * Function called by DRM code called with vbl_lock held. 1648 */ 1649 int vmw_enable_vblank(struct drm_device *dev, int crtc) 1650 { 1651 return -ENOSYS; 1652 } 1653 1654 /** 1655 * Function called by DRM code called with vbl_lock held. 1656 */ 1657 void vmw_disable_vblank(struct drm_device *dev, int crtc) 1658 { 1659 } 1660 1661 1662 /* 1663 * Small shared kms functions. 1664 */ 1665 1666 int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num, 1667 struct drm_vmw_rect *rects) 1668 { 1669 struct drm_device *dev = dev_priv->dev; 1670 struct vmw_display_unit *du; 1671 struct drm_connector *con; 1672 1673 mutex_lock(&dev->mode_config.mutex); 1674 1675 #if 0 1676 { 1677 unsigned int i; 1678 1679 DRM_INFO("%s: new layout ", __func__); 1680 for (i = 0; i < num; i++) 1681 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, 1682 rects[i].w, rects[i].h); 1683 DRM_INFO("\n"); 1684 } 1685 #endif 1686 1687 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 1688 du = vmw_connector_to_du(con); 1689 if (num > du->unit) { 1690 du->pref_width = rects[du->unit].w; 1691 du->pref_height = rects[du->unit].h; 1692 du->pref_active = true; 1693 du->gui_x = rects[du->unit].x; 1694 du->gui_y = rects[du->unit].y; 1695 } else { 1696 du->pref_width = 800; 1697 du->pref_height = 600; 1698 du->pref_active = false; 1699 } 1700 con->status = vmw_du_connector_detect(con, true); 1701 } 1702 1703 mutex_unlock(&dev->mode_config.mutex); 1704 1705 return 0; 1706 } 1707 1708 int vmw_du_page_flip(struct drm_crtc *crtc, 1709 struct drm_framebuffer *fb, 1710 struct drm_pending_vblank_event *event, 1711 uint32_t page_flip_flags) 1712 { 1713 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1714 struct drm_framebuffer *old_fb = crtc->fb; 1715 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); 1716 struct drm_file *file_priv ; 1717 struct vmw_fence_obj *fence = NULL; 1718 struct drm_clip_rect clips; 1719 int ret; 1720 1721 if (event == NULL) 1722 return -EINVAL; 1723 1724 /* require ScreenObject support for page flipping */ 1725 if (!dev_priv->sou_priv) 1726 return -ENOSYS; 1727 1728 file_priv = event->base.file_priv; 1729 if (!vmw_kms_screen_object_flippable(dev_priv, crtc)) 1730 return -EINVAL; 1731 1732 crtc->fb = fb; 1733 1734 /* do a full screen dirty update */ 1735 clips.x1 = clips.y1 = 0; 1736 clips.x2 = fb->width; 1737 clips.y2 = fb->height; 1738 1739 if (vfb->dmabuf) 1740 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb, 1741 0, 0, &clips, 1, 1, &fence); 1742 else 1743 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb, 1744 0, 0, &clips, 1, 1, &fence); 1745 1746 1747 if (ret != 0) 1748 goto out_no_fence; 1749 if (!fence) { 1750 ret = -EINVAL; 1751 goto out_no_fence; 1752 } 1753 1754 ret = vmw_event_fence_action_queue(file_priv, fence, 1755 &event->base, 1756 &event->event.tv_sec, 1757 &event->event.tv_usec, 1758 true); 1759 1760 /* 1761 * No need to hold on to this now. The only cleanup 1762 * we need to do if we fail is unref the fence. 1763 */ 1764 vmw_fence_obj_unreference(&fence); 1765 1766 if (vmw_crtc_to_du(crtc)->is_implicit) 1767 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc); 1768 1769 return ret; 1770 1771 out_no_fence: 1772 crtc->fb = old_fb; 1773 return ret; 1774 } 1775 1776 1777 void vmw_du_crtc_save(struct drm_crtc *crtc) 1778 { 1779 } 1780 1781 void vmw_du_crtc_restore(struct drm_crtc *crtc) 1782 { 1783 } 1784 1785 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, 1786 u16 *r, u16 *g, u16 *b, 1787 uint32_t start, uint32_t size) 1788 { 1789 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1790 int i; 1791 1792 for (i = 0; i < size; i++) { 1793 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i, 1794 r[i], g[i], b[i]); 1795 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8); 1796 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8); 1797 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8); 1798 } 1799 } 1800 1801 void vmw_du_connector_dpms(struct drm_connector *connector, int mode) 1802 { 1803 } 1804 1805 void vmw_du_connector_save(struct drm_connector *connector) 1806 { 1807 } 1808 1809 void vmw_du_connector_restore(struct drm_connector *connector) 1810 { 1811 } 1812 1813 enum drm_connector_status 1814 vmw_du_connector_detect(struct drm_connector *connector, bool force) 1815 { 1816 uint32_t num_displays; 1817 struct drm_device *dev = connector->dev; 1818 struct vmw_private *dev_priv = vmw_priv(dev); 1819 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1820 1821 mutex_lock(&dev_priv->hw_mutex); 1822 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS); 1823 mutex_unlock(&dev_priv->hw_mutex); 1824 1825 return ((vmw_connector_to_du(connector)->unit < num_displays && 1826 du->pref_active) ? 1827 connector_status_connected : connector_status_disconnected); 1828 } 1829 1830 static struct drm_display_mode vmw_kms_connector_builtin[] = { 1831 /* 640x480@60Hz */ 1832 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 1833 752, 800, 0, 480, 489, 492, 525, 0, 1834 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1835 /* 800x600@60Hz */ 1836 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 1837 968, 1056, 0, 600, 601, 605, 628, 0, 1838 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1839 /* 1024x768@60Hz */ 1840 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1841 1184, 1344, 0, 768, 771, 777, 806, 0, 1842 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1843 /* 1152x864@75Hz */ 1844 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 1845 1344, 1600, 0, 864, 865, 868, 900, 0, 1846 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1847 /* 1280x768@60Hz */ 1848 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 1849 1472, 1664, 0, 768, 771, 778, 798, 0, 1850 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1851 /* 1280x800@60Hz */ 1852 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 1853 1480, 1680, 0, 800, 803, 809, 831, 0, 1854 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1855 /* 1280x960@60Hz */ 1856 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 1857 1488, 1800, 0, 960, 961, 964, 1000, 0, 1858 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1859 /* 1280x1024@60Hz */ 1860 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 1861 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 1862 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1863 /* 1360x768@60Hz */ 1864 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 1865 1536, 1792, 0, 768, 771, 777, 795, 0, 1866 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1867 /* 1440x1050@60Hz */ 1868 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 1869 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 1870 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1871 /* 1440x900@60Hz */ 1872 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 1873 1672, 1904, 0, 900, 903, 909, 934, 0, 1874 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1875 /* 1600x1200@60Hz */ 1876 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 1877 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 1878 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1879 /* 1680x1050@60Hz */ 1880 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 1881 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 1882 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1883 /* 1792x1344@60Hz */ 1884 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 1885 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 1886 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1887 /* 1853x1392@60Hz */ 1888 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 1889 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 1890 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1891 /* 1920x1200@60Hz */ 1892 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 1893 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 1894 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1895 /* 1920x1440@60Hz */ 1896 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 1897 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 1898 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1899 /* 2560x1600@60Hz */ 1900 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 1901 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 1902 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1903 /* Terminate */ 1904 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 1905 }; 1906 1907 /** 1908 * vmw_guess_mode_timing - Provide fake timings for a 1909 * 60Hz vrefresh mode. 1910 * 1911 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay 1912 * members filled in. 1913 */ 1914 static void vmw_guess_mode_timing(struct drm_display_mode *mode) 1915 { 1916 mode->hsync_start = mode->hdisplay + 50; 1917 mode->hsync_end = mode->hsync_start + 50; 1918 mode->htotal = mode->hsync_end + 50; 1919 1920 mode->vsync_start = mode->vdisplay + 50; 1921 mode->vsync_end = mode->vsync_start + 50; 1922 mode->vtotal = mode->vsync_end + 50; 1923 1924 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6; 1925 mode->vrefresh = drm_mode_vrefresh(mode); 1926 } 1927 1928 1929 int vmw_du_connector_fill_modes(struct drm_connector *connector, 1930 uint32_t max_width, uint32_t max_height) 1931 { 1932 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1933 struct drm_device *dev = connector->dev; 1934 struct vmw_private *dev_priv = vmw_priv(dev); 1935 struct drm_display_mode *mode = NULL; 1936 struct drm_display_mode *bmode; 1937 struct drm_display_mode prefmode = { DRM_MODE("preferred", 1938 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 1939 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1940 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 1941 }; 1942 int i; 1943 1944 /* Add preferred mode */ 1945 { 1946 mode = drm_mode_duplicate(dev, &prefmode); 1947 if (!mode) 1948 return 0; 1949 mode->hdisplay = du->pref_width; 1950 mode->vdisplay = du->pref_height; 1951 vmw_guess_mode_timing(mode); 1952 1953 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, 1954 mode->vdisplay)) { 1955 drm_mode_probed_add(connector, mode); 1956 } else { 1957 drm_mode_destroy(dev, mode); 1958 mode = NULL; 1959 } 1960 1961 if (du->pref_mode) { 1962 list_del_init(&du->pref_mode->head); 1963 drm_mode_destroy(dev, du->pref_mode); 1964 } 1965 1966 /* mode might be null here, this is intended */ 1967 du->pref_mode = mode; 1968 } 1969 1970 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) { 1971 bmode = &vmw_kms_connector_builtin[i]; 1972 if (bmode->hdisplay > max_width || 1973 bmode->vdisplay > max_height) 1974 continue; 1975 1976 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, 1977 bmode->vdisplay)) 1978 continue; 1979 1980 mode = drm_mode_duplicate(dev, bmode); 1981 if (!mode) 1982 return 0; 1983 mode->vrefresh = drm_mode_vrefresh(mode); 1984 1985 drm_mode_probed_add(connector, mode); 1986 } 1987 1988 /* Move the prefered mode first, help apps pick the right mode. */ 1989 if (du->pref_mode) 1990 list_move(&du->pref_mode->head, &connector->probed_modes); 1991 1992 drm_mode_connector_list_update(connector); 1993 1994 return 1; 1995 } 1996 1997 int vmw_du_connector_set_property(struct drm_connector *connector, 1998 struct drm_property *property, 1999 uint64_t val) 2000 { 2001 return 0; 2002 } 2003 2004 2005 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 2006 struct drm_file *file_priv) 2007 { 2008 struct vmw_private *dev_priv = vmw_priv(dev); 2009 struct drm_vmw_update_layout_arg *arg = 2010 (struct drm_vmw_update_layout_arg *)data; 2011 struct vmw_master *vmaster = vmw_master(file_priv->master); 2012 void __user *user_rects; 2013 struct drm_vmw_rect *rects; 2014 unsigned rects_size; 2015 int ret; 2016 int i; 2017 struct drm_mode_config *mode_config = &dev->mode_config; 2018 2019 ret = ttm_read_lock(&vmaster->lock, true); 2020 if (unlikely(ret != 0)) 2021 return ret; 2022 2023 if (!arg->num_outputs) { 2024 struct drm_vmw_rect def_rect = {0, 0, 800, 600}; 2025 vmw_du_update_layout(dev_priv, 1, &def_rect); 2026 goto out_unlock; 2027 } 2028 2029 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); 2030 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect), 2031 GFP_KERNEL); 2032 if (unlikely(!rects)) { 2033 ret = -ENOMEM; 2034 goto out_unlock; 2035 } 2036 2037 user_rects = (void __user *)(unsigned long)arg->rects; 2038 ret = copy_from_user(rects, user_rects, rects_size); 2039 if (unlikely(ret != 0)) { 2040 DRM_ERROR("Failed to get rects.\n"); 2041 ret = -EFAULT; 2042 goto out_free; 2043 } 2044 2045 for (i = 0; i < arg->num_outputs; ++i) { 2046 if (rects[i].x < 0 || 2047 rects[i].y < 0 || 2048 rects[i].x + rects[i].w > mode_config->max_width || 2049 rects[i].y + rects[i].h > mode_config->max_height) { 2050 DRM_ERROR("Invalid GUI layout.\n"); 2051 ret = -EINVAL; 2052 goto out_free; 2053 } 2054 } 2055 2056 vmw_du_update_layout(dev_priv, arg->num_outputs, rects); 2057 2058 out_free: 2059 kfree(rects); 2060 out_unlock: 2061 ttm_read_unlock(&vmaster->lock); 2062 return ret; 2063 } 2064