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 vmw_display_unit *du = vmw_crtc_to_du(crtc); 178 struct vmw_surface *surface = NULL; 179 struct vmw_dma_buffer *dmabuf = NULL; 180 int ret; 181 182 /* 183 * FIXME: Unclear whether there's any global state touched by the 184 * cursor_set function, especially vmw_cursor_update_position looks 185 * suspicious. For now take the easy route and reacquire all locks. We 186 * can do this since the caller in the drm core doesn't check anything 187 * which is protected by any looks. 188 */ 189 mutex_unlock(&crtc->mutex); 190 drm_modeset_lock_all(dev_priv->dev); 191 192 /* A lot of the code assumes this */ 193 if (handle && (width != 64 || height != 64)) { 194 ret = -EINVAL; 195 goto out; 196 } 197 198 if (handle) { 199 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 200 201 ret = vmw_user_lookup_handle(dev_priv, tfile, 202 handle, &surface, &dmabuf); 203 if (ret) { 204 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); 205 ret = -EINVAL; 206 goto out; 207 } 208 } 209 210 /* need to do this before taking down old image */ 211 if (surface && !surface->snooper.image) { 212 DRM_ERROR("surface not suitable for cursor\n"); 213 vmw_surface_unreference(&surface); 214 ret = -EINVAL; 215 goto out; 216 } 217 218 /* takedown old cursor */ 219 if (du->cursor_surface) { 220 du->cursor_surface->snooper.crtc = NULL; 221 vmw_surface_unreference(&du->cursor_surface); 222 } 223 if (du->cursor_dmabuf) 224 vmw_dmabuf_unreference(&du->cursor_dmabuf); 225 226 /* setup new image */ 227 if (surface) { 228 /* vmw_user_surface_lookup takes one reference */ 229 du->cursor_surface = surface; 230 231 du->cursor_surface->snooper.crtc = crtc; 232 du->cursor_age = du->cursor_surface->snooper.age; 233 vmw_cursor_update_image(dev_priv, surface->snooper.image, 234 64, 64, du->hotspot_x, du->hotspot_y); 235 } else if (dmabuf) { 236 /* vmw_user_surface_lookup takes one reference */ 237 du->cursor_dmabuf = dmabuf; 238 239 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height, 240 du->hotspot_x, du->hotspot_y); 241 } else { 242 vmw_cursor_update_position(dev_priv, false, 0, 0); 243 ret = 0; 244 goto out; 245 } 246 247 vmw_cursor_update_position(dev_priv, true, 248 du->cursor_x + du->hotspot_x, 249 du->cursor_y + du->hotspot_y); 250 251 ret = 0; 252 out: 253 drm_modeset_unlock_all(dev_priv->dev); 254 mutex_lock(&crtc->mutex); 255 256 return ret; 257 } 258 259 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) 260 { 261 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 262 struct vmw_display_unit *du = vmw_crtc_to_du(crtc); 263 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false; 264 265 du->cursor_x = x + crtc->x; 266 du->cursor_y = y + crtc->y; 267 268 /* 269 * FIXME: Unclear whether there's any global state touched by the 270 * cursor_set function, especially vmw_cursor_update_position looks 271 * suspicious. For now take the easy route and reacquire all locks. We 272 * can do this since the caller in the drm core doesn't check anything 273 * which is protected by any looks. 274 */ 275 mutex_unlock(&crtc->mutex); 276 drm_modeset_lock_all(dev_priv->dev); 277 278 vmw_cursor_update_position(dev_priv, shown, 279 du->cursor_x + du->hotspot_x, 280 du->cursor_y + du->hotspot_y); 281 282 drm_modeset_unlock_all(dev_priv->dev); 283 mutex_lock(&crtc->mutex); 284 285 return 0; 286 } 287 288 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 289 struct ttm_object_file *tfile, 290 struct ttm_buffer_object *bo, 291 SVGA3dCmdHeader *header) 292 { 293 struct ttm_bo_kmap_obj map; 294 unsigned long kmap_offset; 295 unsigned long kmap_num; 296 SVGA3dCopyBox *box; 297 unsigned box_count; 298 void *virtual; 299 bool dummy; 300 struct vmw_dma_cmd { 301 SVGA3dCmdHeader header; 302 SVGA3dCmdSurfaceDMA dma; 303 } *cmd; 304 int i, ret; 305 306 cmd = container_of(header, struct vmw_dma_cmd, header); 307 308 /* No snooper installed */ 309 if (!srf->snooper.image) 310 return; 311 312 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) { 313 DRM_ERROR("face and mipmap for cursors should never != 0\n"); 314 return; 315 } 316 317 if (cmd->header.size < 64) { 318 DRM_ERROR("at least one full copy box must be given\n"); 319 return; 320 } 321 322 box = (SVGA3dCopyBox *)&cmd[1]; 323 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) / 324 sizeof(SVGA3dCopyBox); 325 326 if (cmd->dma.guest.ptr.offset % PAGE_SIZE || 327 box->x != 0 || box->y != 0 || box->z != 0 || 328 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 || 329 box->d != 1 || box_count != 1) { 330 /* TODO handle none page aligned offsets */ 331 /* TODO handle more dst & src != 0 */ 332 /* TODO handle more then one copy */ 333 DRM_ERROR("Cant snoop dma request for cursor!\n"); 334 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n", 335 box->srcx, box->srcy, box->srcz, 336 box->x, box->y, box->z, 337 box->w, box->h, box->d, box_count, 338 cmd->dma.guest.ptr.offset); 339 return; 340 } 341 342 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT; 343 kmap_num = (64*64*4) >> PAGE_SHIFT; 344 345 ret = ttm_bo_reserve(bo, true, false, false, 0); 346 if (unlikely(ret != 0)) { 347 DRM_ERROR("reserve failed\n"); 348 return; 349 } 350 351 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map); 352 if (unlikely(ret != 0)) 353 goto err_unreserve; 354 355 virtual = ttm_kmap_obj_virtual(&map, &dummy); 356 357 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) { 358 memcpy(srf->snooper.image, virtual, 64*64*4); 359 } else { 360 /* Image is unsigned pointer. */ 361 for (i = 0; i < box->h; i++) 362 memcpy(srf->snooper.image + i * 64, 363 virtual + i * cmd->dma.guest.pitch, 364 box->w * 4); 365 } 366 367 srf->snooper.age++; 368 369 /* we can't call this function from this function since execbuf has 370 * reserved fifo space. 371 * 372 * if (srf->snooper.crtc) 373 * vmw_ldu_crtc_cursor_update_image(dev_priv, 374 * srf->snooper.image, 64, 64, 375 * du->hotspot_x, du->hotspot_y); 376 */ 377 378 ttm_bo_kunmap(&map); 379 err_unreserve: 380 ttm_bo_unreserve(bo); 381 } 382 383 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) 384 { 385 struct drm_device *dev = dev_priv->dev; 386 struct vmw_display_unit *du; 387 struct drm_crtc *crtc; 388 389 mutex_lock(&dev->mode_config.mutex); 390 391 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 392 du = vmw_crtc_to_du(crtc); 393 if (!du->cursor_surface || 394 du->cursor_age == du->cursor_surface->snooper.age) 395 continue; 396 397 du->cursor_age = du->cursor_surface->snooper.age; 398 vmw_cursor_update_image(dev_priv, 399 du->cursor_surface->snooper.image, 400 64, 64, du->hotspot_x, du->hotspot_y); 401 } 402 403 mutex_unlock(&dev->mode_config.mutex); 404 } 405 406 /* 407 * Generic framebuffer code 408 */ 409 410 /* 411 * Surface framebuffer code 412 */ 413 414 #define vmw_framebuffer_to_vfbs(x) \ 415 container_of(x, struct vmw_framebuffer_surface, base.base) 416 417 struct vmw_framebuffer_surface { 418 struct vmw_framebuffer base; 419 struct vmw_surface *surface; 420 struct vmw_dma_buffer *buffer; 421 struct list_head head; 422 struct drm_master *master; 423 }; 424 425 void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer) 426 { 427 struct vmw_framebuffer_surface *vfbs = 428 vmw_framebuffer_to_vfbs(framebuffer); 429 struct vmw_master *vmaster = vmw_master(vfbs->master); 430 431 432 mutex_lock(&vmaster->fb_surf_mutex); 433 list_del(&vfbs->head); 434 mutex_unlock(&vmaster->fb_surf_mutex); 435 436 drm_master_put(&vfbs->master); 437 drm_framebuffer_cleanup(framebuffer); 438 vmw_surface_unreference(&vfbs->surface); 439 ttm_base_object_unref(&vfbs->base.user_obj); 440 441 kfree(vfbs); 442 } 443 444 static int do_surface_dirty_sou(struct vmw_private *dev_priv, 445 struct drm_file *file_priv, 446 struct vmw_framebuffer *framebuffer, 447 unsigned flags, unsigned color, 448 struct drm_clip_rect *clips, 449 unsigned num_clips, int inc, 450 struct vmw_fence_obj **out_fence) 451 { 452 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 453 struct drm_clip_rect *clips_ptr; 454 struct drm_clip_rect *tmp; 455 struct drm_crtc *crtc; 456 size_t fifo_size; 457 int i, num_units; 458 int ret = 0; /* silence warning */ 459 int left, right, top, bottom; 460 461 struct { 462 SVGA3dCmdHeader header; 463 SVGA3dCmdBlitSurfaceToScreen body; 464 } *cmd; 465 SVGASignedRect *blits; 466 467 num_units = 0; 468 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, 469 head) { 470 if (crtc->fb != &framebuffer->base) 471 continue; 472 units[num_units++] = vmw_crtc_to_du(crtc); 473 } 474 475 BUG_ON(!clips || !num_clips); 476 477 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 478 if (unlikely(tmp == NULL)) { 479 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 480 return -ENOMEM; 481 } 482 483 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 484 cmd = kzalloc(fifo_size, GFP_KERNEL); 485 if (unlikely(cmd == NULL)) { 486 DRM_ERROR("Temporary fifo memory alloc failed.\n"); 487 ret = -ENOMEM; 488 goto out_free_tmp; 489 } 490 491 /* setup blits pointer */ 492 blits = (SVGASignedRect *)&cmd[1]; 493 494 /* initial clip region */ 495 left = clips->x1; 496 right = clips->x2; 497 top = clips->y1; 498 bottom = clips->y2; 499 500 /* skip the first clip rect */ 501 for (i = 1, clips_ptr = clips + inc; 502 i < num_clips; i++, clips_ptr += inc) { 503 left = min_t(int, left, (int)clips_ptr->x1); 504 right = max_t(int, right, (int)clips_ptr->x2); 505 top = min_t(int, top, (int)clips_ptr->y1); 506 bottom = max_t(int, bottom, (int)clips_ptr->y2); 507 } 508 509 /* only need to do this once */ 510 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 511 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 512 513 cmd->body.srcRect.left = left; 514 cmd->body.srcRect.right = right; 515 cmd->body.srcRect.top = top; 516 cmd->body.srcRect.bottom = bottom; 517 518 clips_ptr = clips; 519 for (i = 0; i < num_clips; i++, clips_ptr += inc) { 520 tmp[i].x1 = clips_ptr->x1 - left; 521 tmp[i].x2 = clips_ptr->x2 - left; 522 tmp[i].y1 = clips_ptr->y1 - top; 523 tmp[i].y2 = clips_ptr->y2 - top; 524 } 525 526 /* do per unit writing, reuse fifo for each */ 527 for (i = 0; i < num_units; i++) { 528 struct vmw_display_unit *unit = units[i]; 529 struct vmw_clip_rect clip; 530 int num; 531 532 clip.x1 = left - unit->crtc.x; 533 clip.y1 = top - unit->crtc.y; 534 clip.x2 = right - unit->crtc.x; 535 clip.y2 = bottom - unit->crtc.y; 536 537 /* skip any crtcs that misses the clip region */ 538 if (clip.x1 >= unit->crtc.mode.hdisplay || 539 clip.y1 >= unit->crtc.mode.vdisplay || 540 clip.x2 <= 0 || clip.y2 <= 0) 541 continue; 542 543 /* 544 * In order for the clip rects to be correctly scaled 545 * the src and dest rects needs to be the same size. 546 */ 547 cmd->body.destRect.left = clip.x1; 548 cmd->body.destRect.right = clip.x2; 549 cmd->body.destRect.top = clip.y1; 550 cmd->body.destRect.bottom = clip.y2; 551 552 /* create a clip rect of the crtc in dest coords */ 553 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 554 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 555 clip.x1 = 0 - clip.x1; 556 clip.y1 = 0 - clip.y1; 557 558 /* need to reset sid as it is changed by execbuf */ 559 cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle); 560 cmd->body.destScreenId = unit->unit; 561 562 /* clip and write blits to cmd stream */ 563 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 564 565 /* if no cliprects hit skip this */ 566 if (num == 0) 567 continue; 568 569 /* only return the last fence */ 570 if (out_fence && *out_fence) 571 vmw_fence_obj_unreference(out_fence); 572 573 /* recalculate package length */ 574 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 575 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 576 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 577 fifo_size, 0, NULL, out_fence); 578 579 if (unlikely(ret != 0)) 580 break; 581 } 582 583 584 kfree(cmd); 585 out_free_tmp: 586 kfree(tmp); 587 588 return ret; 589 } 590 591 int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer, 592 struct drm_file *file_priv, 593 unsigned flags, unsigned color, 594 struct drm_clip_rect *clips, 595 unsigned num_clips) 596 { 597 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 598 struct vmw_master *vmaster = vmw_master(file_priv->master); 599 struct vmw_framebuffer_surface *vfbs = 600 vmw_framebuffer_to_vfbs(framebuffer); 601 struct drm_clip_rect norect; 602 int ret, inc = 1; 603 604 if (unlikely(vfbs->master != file_priv->master)) 605 return -EINVAL; 606 607 /* Require ScreenObject support for 3D */ 608 if (!dev_priv->sou_priv) 609 return -EINVAL; 610 611 ret = ttm_read_lock(&vmaster->lock, true); 612 if (unlikely(ret != 0)) 613 return ret; 614 615 if (!num_clips) { 616 num_clips = 1; 617 clips = &norect; 618 norect.x1 = norect.y1 = 0; 619 norect.x2 = framebuffer->width; 620 norect.y2 = framebuffer->height; 621 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 622 num_clips /= 2; 623 inc = 2; /* skip source rects */ 624 } 625 626 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base, 627 flags, color, 628 clips, num_clips, inc, NULL); 629 630 ttm_read_unlock(&vmaster->lock); 631 return 0; 632 } 633 634 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { 635 .destroy = vmw_framebuffer_surface_destroy, 636 .dirty = vmw_framebuffer_surface_dirty, 637 }; 638 639 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, 640 struct drm_file *file_priv, 641 struct vmw_surface *surface, 642 struct vmw_framebuffer **out, 643 const struct drm_mode_fb_cmd 644 *mode_cmd) 645 646 { 647 struct drm_device *dev = dev_priv->dev; 648 struct vmw_framebuffer_surface *vfbs; 649 enum SVGA3dSurfaceFormat format; 650 struct vmw_master *vmaster = vmw_master(file_priv->master); 651 int ret; 652 653 /* 3D is only supported on HWv8 hosts which supports screen objects */ 654 if (!dev_priv->sou_priv) 655 return -ENOSYS; 656 657 /* 658 * Sanity checks. 659 */ 660 661 /* Surface must be marked as a scanout. */ 662 if (unlikely(!surface->scanout)) 663 return -EINVAL; 664 665 if (unlikely(surface->mip_levels[0] != 1 || 666 surface->num_sizes != 1 || 667 surface->sizes[0].width < mode_cmd->width || 668 surface->sizes[0].height < mode_cmd->height || 669 surface->sizes[0].depth != 1)) { 670 DRM_ERROR("Incompatible surface dimensions " 671 "for requested mode.\n"); 672 return -EINVAL; 673 } 674 675 switch (mode_cmd->depth) { 676 case 32: 677 format = SVGA3D_A8R8G8B8; 678 break; 679 case 24: 680 format = SVGA3D_X8R8G8B8; 681 break; 682 case 16: 683 format = SVGA3D_R5G6B5; 684 break; 685 case 15: 686 format = SVGA3D_A1R5G5B5; 687 break; 688 case 8: 689 format = SVGA3D_LUMINANCE8; 690 break; 691 default: 692 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 693 return -EINVAL; 694 } 695 696 if (unlikely(format != surface->format)) { 697 DRM_ERROR("Invalid surface format for requested mode.\n"); 698 return -EINVAL; 699 } 700 701 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); 702 if (!vfbs) { 703 ret = -ENOMEM; 704 goto out_err1; 705 } 706 707 if (!vmw_surface_reference(surface)) { 708 DRM_ERROR("failed to reference surface %p\n", surface); 709 ret = -EINVAL; 710 goto out_err2; 711 } 712 713 /* XXX get the first 3 from the surface info */ 714 vfbs->base.base.bits_per_pixel = mode_cmd->bpp; 715 vfbs->base.base.pitches[0] = mode_cmd->pitch; 716 vfbs->base.base.depth = mode_cmd->depth; 717 vfbs->base.base.width = mode_cmd->width; 718 vfbs->base.base.height = mode_cmd->height; 719 vfbs->surface = surface; 720 vfbs->base.user_handle = mode_cmd->handle; 721 vfbs->master = drm_master_get(file_priv->master); 722 723 mutex_lock(&vmaster->fb_surf_mutex); 724 list_add_tail(&vfbs->head, &vmaster->fb_surf); 725 mutex_unlock(&vmaster->fb_surf_mutex); 726 727 *out = &vfbs->base; 728 729 ret = drm_framebuffer_init(dev, &vfbs->base.base, 730 &vmw_framebuffer_surface_funcs); 731 if (ret) 732 goto out_err3; 733 734 return 0; 735 736 out_err3: 737 vmw_surface_unreference(&surface); 738 out_err2: 739 kfree(vfbs); 740 out_err1: 741 return ret; 742 } 743 744 /* 745 * Dmabuf framebuffer code 746 */ 747 748 #define vmw_framebuffer_to_vfbd(x) \ 749 container_of(x, struct vmw_framebuffer_dmabuf, base.base) 750 751 struct vmw_framebuffer_dmabuf { 752 struct vmw_framebuffer base; 753 struct vmw_dma_buffer *buffer; 754 }; 755 756 void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) 757 { 758 struct vmw_framebuffer_dmabuf *vfbd = 759 vmw_framebuffer_to_vfbd(framebuffer); 760 761 drm_framebuffer_cleanup(framebuffer); 762 vmw_dmabuf_unreference(&vfbd->buffer); 763 ttm_base_object_unref(&vfbd->base.user_obj); 764 765 kfree(vfbd); 766 } 767 768 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv, 769 struct vmw_framebuffer *framebuffer, 770 unsigned flags, unsigned color, 771 struct drm_clip_rect *clips, 772 unsigned num_clips, int increment) 773 { 774 size_t fifo_size; 775 int i; 776 777 struct { 778 uint32_t header; 779 SVGAFifoCmdUpdate body; 780 } *cmd; 781 782 fifo_size = sizeof(*cmd) * num_clips; 783 cmd = vmw_fifo_reserve(dev_priv, fifo_size); 784 if (unlikely(cmd == NULL)) { 785 DRM_ERROR("Fifo reserve failed.\n"); 786 return -ENOMEM; 787 } 788 789 memset(cmd, 0, fifo_size); 790 for (i = 0; i < num_clips; i++, clips += increment) { 791 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE); 792 cmd[i].body.x = cpu_to_le32(clips->x1); 793 cmd[i].body.y = cpu_to_le32(clips->y1); 794 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1); 795 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1); 796 } 797 798 vmw_fifo_commit(dev_priv, fifo_size); 799 return 0; 800 } 801 802 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, 803 struct vmw_private *dev_priv, 804 struct vmw_framebuffer *framebuffer) 805 { 806 int depth = framebuffer->base.depth; 807 size_t fifo_size; 808 int ret; 809 810 struct { 811 uint32_t header; 812 SVGAFifoCmdDefineGMRFB body; 813 } *cmd; 814 815 /* Emulate RGBA support, contrary to svga_reg.h this is not 816 * supported by hosts. This is only a problem if we are reading 817 * this value later and expecting what we uploaded back. 818 */ 819 if (depth == 32) 820 depth = 24; 821 822 fifo_size = sizeof(*cmd); 823 cmd = kmalloc(fifo_size, GFP_KERNEL); 824 if (unlikely(cmd == NULL)) { 825 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 826 return -ENOMEM; 827 } 828 829 memset(cmd, 0, fifo_size); 830 cmd->header = SVGA_CMD_DEFINE_GMRFB; 831 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; 832 cmd->body.format.colorDepth = depth; 833 cmd->body.format.reserved = 0; 834 cmd->body.bytesPerLine = framebuffer->base.pitches[0]; 835 cmd->body.ptr.gmrId = framebuffer->user_handle; 836 cmd->body.ptr.offset = 0; 837 838 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 839 fifo_size, 0, NULL, NULL); 840 841 kfree(cmd); 842 843 return ret; 844 } 845 846 static int do_dmabuf_dirty_sou(struct drm_file *file_priv, 847 struct vmw_private *dev_priv, 848 struct vmw_framebuffer *framebuffer, 849 unsigned flags, unsigned color, 850 struct drm_clip_rect *clips, 851 unsigned num_clips, int increment, 852 struct vmw_fence_obj **out_fence) 853 { 854 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 855 struct drm_clip_rect *clips_ptr; 856 int i, k, num_units, ret; 857 struct drm_crtc *crtc; 858 size_t fifo_size; 859 860 struct { 861 uint32_t header; 862 SVGAFifoCmdBlitGMRFBToScreen body; 863 } *blits; 864 865 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer); 866 if (unlikely(ret != 0)) 867 return ret; /* define_gmrfb prints warnings */ 868 869 fifo_size = sizeof(*blits) * num_clips; 870 blits = kmalloc(fifo_size, GFP_KERNEL); 871 if (unlikely(blits == NULL)) { 872 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 873 return -ENOMEM; 874 } 875 876 num_units = 0; 877 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 878 if (crtc->fb != &framebuffer->base) 879 continue; 880 units[num_units++] = vmw_crtc_to_du(crtc); 881 } 882 883 for (k = 0; k < num_units; k++) { 884 struct vmw_display_unit *unit = units[k]; 885 int hit_num = 0; 886 887 clips_ptr = clips; 888 for (i = 0; i < num_clips; i++, clips_ptr += increment) { 889 int clip_x1 = clips_ptr->x1 - unit->crtc.x; 890 int clip_y1 = clips_ptr->y1 - unit->crtc.y; 891 int clip_x2 = clips_ptr->x2 - unit->crtc.x; 892 int clip_y2 = clips_ptr->y2 - unit->crtc.y; 893 int move_x, move_y; 894 895 /* skip any crtcs that misses the clip region */ 896 if (clip_x1 >= unit->crtc.mode.hdisplay || 897 clip_y1 >= unit->crtc.mode.vdisplay || 898 clip_x2 <= 0 || clip_y2 <= 0) 899 continue; 900 901 /* clip size to crtc size */ 902 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay); 903 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay); 904 905 /* translate both src and dest to bring clip into screen */ 906 move_x = min_t(int, clip_x1, 0); 907 move_y = min_t(int, clip_y1, 0); 908 909 /* actual translate done here */ 910 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; 911 blits[hit_num].body.destScreenId = unit->unit; 912 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x; 913 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y; 914 blits[hit_num].body.destRect.left = clip_x1 - move_x; 915 blits[hit_num].body.destRect.top = clip_y1 - move_y; 916 blits[hit_num].body.destRect.right = clip_x2; 917 blits[hit_num].body.destRect.bottom = clip_y2; 918 hit_num++; 919 } 920 921 /* no clips hit the crtc */ 922 if (hit_num == 0) 923 continue; 924 925 /* only return the last fence */ 926 if (out_fence && *out_fence) 927 vmw_fence_obj_unreference(out_fence); 928 929 fifo_size = sizeof(*blits) * hit_num; 930 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits, 931 fifo_size, 0, NULL, out_fence); 932 933 if (unlikely(ret != 0)) 934 break; 935 } 936 937 kfree(blits); 938 939 return ret; 940 } 941 942 int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, 943 struct drm_file *file_priv, 944 unsigned flags, unsigned color, 945 struct drm_clip_rect *clips, 946 unsigned num_clips) 947 { 948 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 949 struct vmw_master *vmaster = vmw_master(file_priv->master); 950 struct vmw_framebuffer_dmabuf *vfbd = 951 vmw_framebuffer_to_vfbd(framebuffer); 952 struct drm_clip_rect norect; 953 int ret, increment = 1; 954 955 ret = ttm_read_lock(&vmaster->lock, true); 956 if (unlikely(ret != 0)) 957 return ret; 958 959 if (!num_clips) { 960 num_clips = 1; 961 clips = &norect; 962 norect.x1 = norect.y1 = 0; 963 norect.x2 = framebuffer->width; 964 norect.y2 = framebuffer->height; 965 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 966 num_clips /= 2; 967 increment = 2; 968 } 969 970 if (dev_priv->ldu_priv) { 971 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base, 972 flags, color, 973 clips, num_clips, increment); 974 } else { 975 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base, 976 flags, color, 977 clips, num_clips, increment, NULL); 978 } 979 980 ttm_read_unlock(&vmaster->lock); 981 return ret; 982 } 983 984 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { 985 .destroy = vmw_framebuffer_dmabuf_destroy, 986 .dirty = vmw_framebuffer_dmabuf_dirty, 987 }; 988 989 /** 990 * Pin the dmabuffer to the start of vram. 991 */ 992 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) 993 { 994 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 995 struct vmw_framebuffer_dmabuf *vfbd = 996 vmw_framebuffer_to_vfbd(&vfb->base); 997 int ret; 998 999 /* This code should not be used with screen objects */ 1000 BUG_ON(dev_priv->sou_priv); 1001 1002 vmw_overlay_pause_all(dev_priv); 1003 1004 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false); 1005 1006 vmw_overlay_resume_all(dev_priv); 1007 1008 WARN_ON(ret != 0); 1009 1010 return 0; 1011 } 1012 1013 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) 1014 { 1015 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1016 struct vmw_framebuffer_dmabuf *vfbd = 1017 vmw_framebuffer_to_vfbd(&vfb->base); 1018 1019 if (!vfbd->buffer) { 1020 WARN_ON(!vfbd->buffer); 1021 return 0; 1022 } 1023 1024 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false); 1025 } 1026 1027 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, 1028 struct vmw_dma_buffer *dmabuf, 1029 struct vmw_framebuffer **out, 1030 const struct drm_mode_fb_cmd 1031 *mode_cmd) 1032 1033 { 1034 struct drm_device *dev = dev_priv->dev; 1035 struct vmw_framebuffer_dmabuf *vfbd; 1036 unsigned int requested_size; 1037 int ret; 1038 1039 requested_size = mode_cmd->height * mode_cmd->pitch; 1040 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) { 1041 DRM_ERROR("Screen buffer object size is too small " 1042 "for requested mode.\n"); 1043 return -EINVAL; 1044 } 1045 1046 /* Limited framebuffer color depth support for screen objects */ 1047 if (dev_priv->sou_priv) { 1048 switch (mode_cmd->depth) { 1049 case 32: 1050 case 24: 1051 /* Only support 32 bpp for 32 and 24 depth fbs */ 1052 if (mode_cmd->bpp == 32) 1053 break; 1054 1055 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1056 mode_cmd->depth, mode_cmd->bpp); 1057 return -EINVAL; 1058 case 16: 1059 case 15: 1060 /* Only support 16 bpp for 16 and 15 depth fbs */ 1061 if (mode_cmd->bpp == 16) 1062 break; 1063 1064 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1065 mode_cmd->depth, mode_cmd->bpp); 1066 return -EINVAL; 1067 default: 1068 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 1069 return -EINVAL; 1070 } 1071 } 1072 1073 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); 1074 if (!vfbd) { 1075 ret = -ENOMEM; 1076 goto out_err1; 1077 } 1078 1079 if (!vmw_dmabuf_reference(dmabuf)) { 1080 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf); 1081 ret = -EINVAL; 1082 goto out_err2; 1083 } 1084 1085 vfbd->base.base.bits_per_pixel = mode_cmd->bpp; 1086 vfbd->base.base.pitches[0] = mode_cmd->pitch; 1087 vfbd->base.base.depth = mode_cmd->depth; 1088 vfbd->base.base.width = mode_cmd->width; 1089 vfbd->base.base.height = mode_cmd->height; 1090 if (!dev_priv->sou_priv) { 1091 vfbd->base.pin = vmw_framebuffer_dmabuf_pin; 1092 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; 1093 } 1094 vfbd->base.dmabuf = true; 1095 vfbd->buffer = dmabuf; 1096 vfbd->base.user_handle = mode_cmd->handle; 1097 *out = &vfbd->base; 1098 1099 ret = drm_framebuffer_init(dev, &vfbd->base.base, 1100 &vmw_framebuffer_dmabuf_funcs); 1101 if (ret) 1102 goto out_err3; 1103 1104 return 0; 1105 1106 out_err3: 1107 vmw_dmabuf_unreference(&dmabuf); 1108 out_err2: 1109 kfree(vfbd); 1110 out_err1: 1111 return ret; 1112 } 1113 1114 /* 1115 * Generic Kernel modesetting functions 1116 */ 1117 1118 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, 1119 struct drm_file *file_priv, 1120 struct drm_mode_fb_cmd2 *mode_cmd2) 1121 { 1122 struct vmw_private *dev_priv = vmw_priv(dev); 1123 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 1124 struct vmw_framebuffer *vfb = NULL; 1125 struct vmw_surface *surface = NULL; 1126 struct vmw_dma_buffer *bo = NULL; 1127 struct ttm_base_object *user_obj; 1128 struct drm_mode_fb_cmd mode_cmd; 1129 int ret; 1130 1131 mode_cmd.width = mode_cmd2->width; 1132 mode_cmd.height = mode_cmd2->height; 1133 mode_cmd.pitch = mode_cmd2->pitches[0]; 1134 mode_cmd.handle = mode_cmd2->handles[0]; 1135 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth, 1136 &mode_cmd.bpp); 1137 1138 /** 1139 * This code should be conditioned on Screen Objects not being used. 1140 * If screen objects are used, we can allocate a GMR to hold the 1141 * requested framebuffer. 1142 */ 1143 1144 if (!vmw_kms_validate_mode_vram(dev_priv, 1145 mode_cmd.pitch, 1146 mode_cmd.height)) { 1147 DRM_ERROR("VRAM size is too small for requested mode.\n"); 1148 return ERR_PTR(-ENOMEM); 1149 } 1150 1151 /* 1152 * Take a reference on the user object of the resource 1153 * backing the kms fb. This ensures that user-space handle 1154 * lookups on that resource will always work as long as 1155 * it's registered with a kms framebuffer. This is important, 1156 * since vmw_execbuf_process identifies resources in the 1157 * command stream using user-space handles. 1158 */ 1159 1160 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle); 1161 if (unlikely(user_obj == NULL)) { 1162 DRM_ERROR("Could not locate requested kms frame buffer.\n"); 1163 return ERR_PTR(-ENOENT); 1164 } 1165 1166 /** 1167 * End conditioned code. 1168 */ 1169 1170 /* returns either a dmabuf or surface */ 1171 ret = vmw_user_lookup_handle(dev_priv, tfile, 1172 mode_cmd.handle, 1173 &surface, &bo); 1174 if (ret) 1175 goto err_out; 1176 1177 /* Create the new framebuffer depending one what we got back */ 1178 if (bo) 1179 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, 1180 &mode_cmd); 1181 else if (surface) 1182 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, 1183 surface, &vfb, &mode_cmd); 1184 else 1185 BUG(); 1186 1187 err_out: 1188 /* vmw_user_lookup_handle takes one ref so does new_fb */ 1189 if (bo) 1190 vmw_dmabuf_unreference(&bo); 1191 if (surface) 1192 vmw_surface_unreference(&surface); 1193 1194 if (ret) { 1195 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); 1196 ttm_base_object_unref(&user_obj); 1197 return ERR_PTR(ret); 1198 } else 1199 vfb->user_obj = user_obj; 1200 1201 return &vfb->base; 1202 } 1203 1204 static const struct drm_mode_config_funcs vmw_kms_funcs = { 1205 .fb_create = vmw_kms_fb_create, 1206 }; 1207 1208 int vmw_kms_present(struct vmw_private *dev_priv, 1209 struct drm_file *file_priv, 1210 struct vmw_framebuffer *vfb, 1211 struct vmw_surface *surface, 1212 uint32_t sid, 1213 int32_t destX, int32_t destY, 1214 struct drm_vmw_rect *clips, 1215 uint32_t num_clips) 1216 { 1217 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1218 struct drm_clip_rect *tmp; 1219 struct drm_crtc *crtc; 1220 size_t fifo_size; 1221 int i, k, num_units; 1222 int ret = 0; /* silence warning */ 1223 int left, right, top, bottom; 1224 1225 struct { 1226 SVGA3dCmdHeader header; 1227 SVGA3dCmdBlitSurfaceToScreen body; 1228 } *cmd; 1229 SVGASignedRect *blits; 1230 1231 num_units = 0; 1232 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1233 if (crtc->fb != &vfb->base) 1234 continue; 1235 units[num_units++] = vmw_crtc_to_du(crtc); 1236 } 1237 1238 BUG_ON(surface == NULL); 1239 BUG_ON(!clips || !num_clips); 1240 1241 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 1242 if (unlikely(tmp == NULL)) { 1243 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 1244 return -ENOMEM; 1245 } 1246 1247 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 1248 cmd = kmalloc(fifo_size, GFP_KERNEL); 1249 if (unlikely(cmd == NULL)) { 1250 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1251 ret = -ENOMEM; 1252 goto out_free_tmp; 1253 } 1254 1255 left = clips->x; 1256 right = clips->x + clips->w; 1257 top = clips->y; 1258 bottom = clips->y + clips->h; 1259 1260 for (i = 1; i < num_clips; i++) { 1261 left = min_t(int, left, (int)clips[i].x); 1262 right = max_t(int, right, (int)clips[i].x + clips[i].w); 1263 top = min_t(int, top, (int)clips[i].y); 1264 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h); 1265 } 1266 1267 /* only need to do this once */ 1268 memset(cmd, 0, fifo_size); 1269 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 1270 1271 blits = (SVGASignedRect *)&cmd[1]; 1272 1273 cmd->body.srcRect.left = left; 1274 cmd->body.srcRect.right = right; 1275 cmd->body.srcRect.top = top; 1276 cmd->body.srcRect.bottom = bottom; 1277 1278 for (i = 0; i < num_clips; i++) { 1279 tmp[i].x1 = clips[i].x - left; 1280 tmp[i].x2 = clips[i].x + clips[i].w - left; 1281 tmp[i].y1 = clips[i].y - top; 1282 tmp[i].y2 = clips[i].y + clips[i].h - top; 1283 } 1284 1285 for (k = 0; k < num_units; k++) { 1286 struct vmw_display_unit *unit = units[k]; 1287 struct vmw_clip_rect clip; 1288 int num; 1289 1290 clip.x1 = left + destX - unit->crtc.x; 1291 clip.y1 = top + destY - unit->crtc.y; 1292 clip.x2 = right + destX - unit->crtc.x; 1293 clip.y2 = bottom + destY - unit->crtc.y; 1294 1295 /* skip any crtcs that misses the clip region */ 1296 if (clip.x1 >= unit->crtc.mode.hdisplay || 1297 clip.y1 >= unit->crtc.mode.vdisplay || 1298 clip.x2 <= 0 || clip.y2 <= 0) 1299 continue; 1300 1301 /* 1302 * In order for the clip rects to be correctly scaled 1303 * the src and dest rects needs to be the same size. 1304 */ 1305 cmd->body.destRect.left = clip.x1; 1306 cmd->body.destRect.right = clip.x2; 1307 cmd->body.destRect.top = clip.y1; 1308 cmd->body.destRect.bottom = clip.y2; 1309 1310 /* create a clip rect of the crtc in dest coords */ 1311 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 1312 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 1313 clip.x1 = 0 - clip.x1; 1314 clip.y1 = 0 - clip.y1; 1315 1316 /* need to reset sid as it is changed by execbuf */ 1317 cmd->body.srcImage.sid = sid; 1318 cmd->body.destScreenId = unit->unit; 1319 1320 /* clip and write blits to cmd stream */ 1321 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 1322 1323 /* if no cliprects hit skip this */ 1324 if (num == 0) 1325 continue; 1326 1327 /* recalculate package length */ 1328 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 1329 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 1330 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 1331 fifo_size, 0, NULL, NULL); 1332 1333 if (unlikely(ret != 0)) 1334 break; 1335 } 1336 1337 kfree(cmd); 1338 out_free_tmp: 1339 kfree(tmp); 1340 1341 return ret; 1342 } 1343 1344 int vmw_kms_readback(struct vmw_private *dev_priv, 1345 struct drm_file *file_priv, 1346 struct vmw_framebuffer *vfb, 1347 struct drm_vmw_fence_rep __user *user_fence_rep, 1348 struct drm_vmw_rect *clips, 1349 uint32_t num_clips) 1350 { 1351 struct vmw_framebuffer_dmabuf *vfbd = 1352 vmw_framebuffer_to_vfbd(&vfb->base); 1353 struct vmw_dma_buffer *dmabuf = vfbd->buffer; 1354 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1355 struct drm_crtc *crtc; 1356 size_t fifo_size; 1357 int i, k, ret, num_units, blits_pos; 1358 1359 struct { 1360 uint32_t header; 1361 SVGAFifoCmdDefineGMRFB body; 1362 } *cmd; 1363 struct { 1364 uint32_t header; 1365 SVGAFifoCmdBlitScreenToGMRFB body; 1366 } *blits; 1367 1368 num_units = 0; 1369 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1370 if (crtc->fb != &vfb->base) 1371 continue; 1372 units[num_units++] = vmw_crtc_to_du(crtc); 1373 } 1374 1375 BUG_ON(dmabuf == NULL); 1376 BUG_ON(!clips || !num_clips); 1377 1378 /* take a safe guess at fifo size */ 1379 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units; 1380 cmd = kmalloc(fifo_size, GFP_KERNEL); 1381 if (unlikely(cmd == NULL)) { 1382 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1383 return -ENOMEM; 1384 } 1385 1386 memset(cmd, 0, fifo_size); 1387 cmd->header = SVGA_CMD_DEFINE_GMRFB; 1388 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel; 1389 cmd->body.format.colorDepth = vfb->base.depth; 1390 cmd->body.format.reserved = 0; 1391 cmd->body.bytesPerLine = vfb->base.pitches[0]; 1392 cmd->body.ptr.gmrId = vfb->user_handle; 1393 cmd->body.ptr.offset = 0; 1394 1395 blits = (void *)&cmd[1]; 1396 blits_pos = 0; 1397 for (i = 0; i < num_units; i++) { 1398 struct drm_vmw_rect *c = clips; 1399 for (k = 0; k < num_clips; k++, c++) { 1400 /* transform clip coords to crtc origin based coords */ 1401 int clip_x1 = c->x - units[i]->crtc.x; 1402 int clip_x2 = c->x - units[i]->crtc.x + c->w; 1403 int clip_y1 = c->y - units[i]->crtc.y; 1404 int clip_y2 = c->y - units[i]->crtc.y + c->h; 1405 int dest_x = c->x; 1406 int dest_y = c->y; 1407 1408 /* compensate for clipping, we negate 1409 * a negative number and add that. 1410 */ 1411 if (clip_x1 < 0) 1412 dest_x += -clip_x1; 1413 if (clip_y1 < 0) 1414 dest_y += -clip_y1; 1415 1416 /* clip */ 1417 clip_x1 = max(clip_x1, 0); 1418 clip_y1 = max(clip_y1, 0); 1419 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay); 1420 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay); 1421 1422 /* and cull any rects that misses the crtc */ 1423 if (clip_x1 >= units[i]->crtc.mode.hdisplay || 1424 clip_y1 >= units[i]->crtc.mode.vdisplay || 1425 clip_x2 <= 0 || clip_y2 <= 0) 1426 continue; 1427 1428 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; 1429 blits[blits_pos].body.srcScreenId = units[i]->unit; 1430 blits[blits_pos].body.destOrigin.x = dest_x; 1431 blits[blits_pos].body.destOrigin.y = dest_y; 1432 1433 blits[blits_pos].body.srcRect.left = clip_x1; 1434 blits[blits_pos].body.srcRect.top = clip_y1; 1435 blits[blits_pos].body.srcRect.right = clip_x2; 1436 blits[blits_pos].body.srcRect.bottom = clip_y2; 1437 blits_pos++; 1438 } 1439 } 1440 /* reset size here and use calculated exact size from loops */ 1441 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos; 1442 1443 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size, 1444 0, user_fence_rep, NULL); 1445 1446 kfree(cmd); 1447 1448 return ret; 1449 } 1450 1451 int vmw_kms_init(struct vmw_private *dev_priv) 1452 { 1453 struct drm_device *dev = dev_priv->dev; 1454 int ret; 1455 1456 drm_mode_config_init(dev); 1457 dev->mode_config.funcs = &vmw_kms_funcs; 1458 dev->mode_config.min_width = 1; 1459 dev->mode_config.min_height = 1; 1460 /* assumed largest fb size */ 1461 dev->mode_config.max_width = 8192; 1462 dev->mode_config.max_height = 8192; 1463 1464 ret = vmw_kms_init_screen_object_display(dev_priv); 1465 if (ret) /* Fallback */ 1466 (void)vmw_kms_init_legacy_display_system(dev_priv); 1467 1468 return 0; 1469 } 1470 1471 int vmw_kms_close(struct vmw_private *dev_priv) 1472 { 1473 /* 1474 * Docs says we should take the lock before calling this function 1475 * but since it destroys encoders and our destructor calls 1476 * drm_encoder_cleanup which takes the lock we deadlock. 1477 */ 1478 drm_mode_config_cleanup(dev_priv->dev); 1479 if (dev_priv->sou_priv) 1480 vmw_kms_close_screen_object_display(dev_priv); 1481 else 1482 vmw_kms_close_legacy_display_system(dev_priv); 1483 return 0; 1484 } 1485 1486 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1487 struct drm_file *file_priv) 1488 { 1489 struct drm_vmw_cursor_bypass_arg *arg = data; 1490 struct vmw_display_unit *du; 1491 struct drm_mode_object *obj; 1492 struct drm_crtc *crtc; 1493 int ret = 0; 1494 1495 1496 mutex_lock(&dev->mode_config.mutex); 1497 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) { 1498 1499 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1500 du = vmw_crtc_to_du(crtc); 1501 du->hotspot_x = arg->xhot; 1502 du->hotspot_y = arg->yhot; 1503 } 1504 1505 mutex_unlock(&dev->mode_config.mutex); 1506 return 0; 1507 } 1508 1509 obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC); 1510 if (!obj) { 1511 ret = -EINVAL; 1512 goto out; 1513 } 1514 1515 crtc = obj_to_crtc(obj); 1516 du = vmw_crtc_to_du(crtc); 1517 1518 du->hotspot_x = arg->xhot; 1519 du->hotspot_y = arg->yhot; 1520 1521 out: 1522 mutex_unlock(&dev->mode_config.mutex); 1523 1524 return ret; 1525 } 1526 1527 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1528 unsigned width, unsigned height, unsigned pitch, 1529 unsigned bpp, unsigned depth) 1530 { 1531 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1532 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch); 1533 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1534 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1535 vmw_write(vmw_priv, SVGA_REG_WIDTH, width); 1536 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); 1537 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp); 1538 1539 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) { 1540 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n", 1541 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH)); 1542 return -EINVAL; 1543 } 1544 1545 return 0; 1546 } 1547 1548 int vmw_kms_save_vga(struct vmw_private *vmw_priv) 1549 { 1550 struct vmw_vga_topology_state *save; 1551 uint32_t i; 1552 1553 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); 1554 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); 1555 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); 1556 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1557 vmw_priv->vga_pitchlock = 1558 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK); 1559 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1560 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt + 1561 SVGA_FIFO_PITCHLOCK); 1562 1563 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1564 return 0; 1565 1566 vmw_priv->num_displays = vmw_read(vmw_priv, 1567 SVGA_REG_NUM_GUEST_DISPLAYS); 1568 1569 if (vmw_priv->num_displays == 0) 1570 vmw_priv->num_displays = 1; 1571 1572 for (i = 0; i < vmw_priv->num_displays; ++i) { 1573 save = &vmw_priv->vga_save[i]; 1574 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1575 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY); 1576 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X); 1577 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y); 1578 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); 1579 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); 1580 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1581 if (i == 0 && vmw_priv->num_displays == 1 && 1582 save->width == 0 && save->height == 0) { 1583 1584 /* 1585 * It should be fairly safe to assume that these 1586 * values are uninitialized. 1587 */ 1588 1589 save->width = vmw_priv->vga_width - save->pos_x; 1590 save->height = vmw_priv->vga_height - save->pos_y; 1591 } 1592 } 1593 1594 return 0; 1595 } 1596 1597 int vmw_kms_restore_vga(struct vmw_private *vmw_priv) 1598 { 1599 struct vmw_vga_topology_state *save; 1600 uint32_t i; 1601 1602 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); 1603 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); 1604 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); 1605 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1606 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, 1607 vmw_priv->vga_pitchlock); 1608 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1609 iowrite32(vmw_priv->vga_pitchlock, 1610 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1611 1612 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1613 return 0; 1614 1615 for (i = 0; i < vmw_priv->num_displays; ++i) { 1616 save = &vmw_priv->vga_save[i]; 1617 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1618 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary); 1619 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x); 1620 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y); 1621 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width); 1622 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height); 1623 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1624 } 1625 1626 return 0; 1627 } 1628 1629 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1630 uint32_t pitch, 1631 uint32_t height) 1632 { 1633 return ((u64) pitch * (u64) height) < (u64) dev_priv->vram_size; 1634 } 1635 1636 1637 /** 1638 * Function called by DRM code called with vbl_lock held. 1639 */ 1640 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc) 1641 { 1642 return 0; 1643 } 1644 1645 /** 1646 * Function called by DRM code called with vbl_lock held. 1647 */ 1648 int vmw_enable_vblank(struct drm_device *dev, int crtc) 1649 { 1650 return -ENOSYS; 1651 } 1652 1653 /** 1654 * Function called by DRM code called with vbl_lock held. 1655 */ 1656 void vmw_disable_vblank(struct drm_device *dev, int crtc) 1657 { 1658 } 1659 1660 1661 /* 1662 * Small shared kms functions. 1663 */ 1664 1665 int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num, 1666 struct drm_vmw_rect *rects) 1667 { 1668 struct drm_device *dev = dev_priv->dev; 1669 struct vmw_display_unit *du; 1670 struct drm_connector *con; 1671 1672 mutex_lock(&dev->mode_config.mutex); 1673 1674 #if 0 1675 { 1676 unsigned int i; 1677 1678 DRM_INFO("%s: new layout ", __func__); 1679 for (i = 0; i < num; i++) 1680 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, 1681 rects[i].w, rects[i].h); 1682 DRM_INFO("\n"); 1683 } 1684 #endif 1685 1686 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 1687 du = vmw_connector_to_du(con); 1688 if (num > du->unit) { 1689 du->pref_width = rects[du->unit].w; 1690 du->pref_height = rects[du->unit].h; 1691 du->pref_active = true; 1692 du->gui_x = rects[du->unit].x; 1693 du->gui_y = rects[du->unit].y; 1694 } else { 1695 du->pref_width = 800; 1696 du->pref_height = 600; 1697 du->pref_active = false; 1698 } 1699 con->status = vmw_du_connector_detect(con, true); 1700 } 1701 1702 mutex_unlock(&dev->mode_config.mutex); 1703 1704 return 0; 1705 } 1706 1707 int vmw_du_page_flip(struct drm_crtc *crtc, 1708 struct drm_framebuffer *fb, 1709 struct drm_pending_vblank_event *event, 1710 uint32_t page_flip_flags) 1711 { 1712 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1713 struct drm_framebuffer *old_fb = crtc->fb; 1714 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); 1715 struct drm_file *file_priv ; 1716 struct vmw_fence_obj *fence = NULL; 1717 struct drm_clip_rect clips; 1718 int ret; 1719 1720 if (event == NULL) 1721 return -EINVAL; 1722 1723 /* require ScreenObject support for page flipping */ 1724 if (!dev_priv->sou_priv) 1725 return -ENOSYS; 1726 1727 file_priv = event->base.file_priv; 1728 if (!vmw_kms_screen_object_flippable(dev_priv, crtc)) 1729 return -EINVAL; 1730 1731 crtc->fb = fb; 1732 1733 /* do a full screen dirty update */ 1734 clips.x1 = clips.y1 = 0; 1735 clips.x2 = fb->width; 1736 clips.y2 = fb->height; 1737 1738 if (vfb->dmabuf) 1739 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb, 1740 0, 0, &clips, 1, 1, &fence); 1741 else 1742 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb, 1743 0, 0, &clips, 1, 1, &fence); 1744 1745 1746 if (ret != 0) 1747 goto out_no_fence; 1748 if (!fence) { 1749 ret = -EINVAL; 1750 goto out_no_fence; 1751 } 1752 1753 ret = vmw_event_fence_action_queue(file_priv, fence, 1754 &event->base, 1755 &event->event.tv_sec, 1756 &event->event.tv_usec, 1757 true); 1758 1759 /* 1760 * No need to hold on to this now. The only cleanup 1761 * we need to do if we fail is unref the fence. 1762 */ 1763 vmw_fence_obj_unreference(&fence); 1764 1765 if (vmw_crtc_to_du(crtc)->is_implicit) 1766 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc); 1767 1768 return ret; 1769 1770 out_no_fence: 1771 crtc->fb = old_fb; 1772 return ret; 1773 } 1774 1775 1776 void vmw_du_crtc_save(struct drm_crtc *crtc) 1777 { 1778 } 1779 1780 void vmw_du_crtc_restore(struct drm_crtc *crtc) 1781 { 1782 } 1783 1784 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, 1785 u16 *r, u16 *g, u16 *b, 1786 uint32_t start, uint32_t size) 1787 { 1788 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1789 int i; 1790 1791 for (i = 0; i < size; i++) { 1792 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i, 1793 r[i], g[i], b[i]); 1794 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8); 1795 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8); 1796 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8); 1797 } 1798 } 1799 1800 void vmw_du_connector_dpms(struct drm_connector *connector, int mode) 1801 { 1802 } 1803 1804 void vmw_du_connector_save(struct drm_connector *connector) 1805 { 1806 } 1807 1808 void vmw_du_connector_restore(struct drm_connector *connector) 1809 { 1810 } 1811 1812 enum drm_connector_status 1813 vmw_du_connector_detect(struct drm_connector *connector, bool force) 1814 { 1815 uint32_t num_displays; 1816 struct drm_device *dev = connector->dev; 1817 struct vmw_private *dev_priv = vmw_priv(dev); 1818 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1819 1820 mutex_lock(&dev_priv->hw_mutex); 1821 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS); 1822 mutex_unlock(&dev_priv->hw_mutex); 1823 1824 return ((vmw_connector_to_du(connector)->unit < num_displays && 1825 du->pref_active) ? 1826 connector_status_connected : connector_status_disconnected); 1827 } 1828 1829 static struct drm_display_mode vmw_kms_connector_builtin[] = { 1830 /* 640x480@60Hz */ 1831 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 1832 752, 800, 0, 480, 489, 492, 525, 0, 1833 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1834 /* 800x600@60Hz */ 1835 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 1836 968, 1056, 0, 600, 601, 605, 628, 0, 1837 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1838 /* 1024x768@60Hz */ 1839 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1840 1184, 1344, 0, 768, 771, 777, 806, 0, 1841 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1842 /* 1152x864@75Hz */ 1843 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 1844 1344, 1600, 0, 864, 865, 868, 900, 0, 1845 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1846 /* 1280x768@60Hz */ 1847 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 1848 1472, 1664, 0, 768, 771, 778, 798, 0, 1849 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1850 /* 1280x800@60Hz */ 1851 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 1852 1480, 1680, 0, 800, 803, 809, 831, 0, 1853 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1854 /* 1280x960@60Hz */ 1855 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 1856 1488, 1800, 0, 960, 961, 964, 1000, 0, 1857 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1858 /* 1280x1024@60Hz */ 1859 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 1860 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 1861 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1862 /* 1360x768@60Hz */ 1863 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 1864 1536, 1792, 0, 768, 771, 777, 795, 0, 1865 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1866 /* 1440x1050@60Hz */ 1867 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 1868 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 1869 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1870 /* 1440x900@60Hz */ 1871 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 1872 1672, 1904, 0, 900, 903, 909, 934, 0, 1873 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1874 /* 1600x1200@60Hz */ 1875 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 1876 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 1877 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1878 /* 1680x1050@60Hz */ 1879 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 1880 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 1881 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1882 /* 1792x1344@60Hz */ 1883 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 1884 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 1885 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1886 /* 1853x1392@60Hz */ 1887 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 1888 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 1889 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1890 /* 1920x1200@60Hz */ 1891 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 1892 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 1893 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1894 /* 1920x1440@60Hz */ 1895 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 1896 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 1897 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1898 /* 2560x1600@60Hz */ 1899 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 1900 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 1901 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1902 /* Terminate */ 1903 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 1904 }; 1905 1906 /** 1907 * vmw_guess_mode_timing - Provide fake timings for a 1908 * 60Hz vrefresh mode. 1909 * 1910 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay 1911 * members filled in. 1912 */ 1913 static void vmw_guess_mode_timing(struct drm_display_mode *mode) 1914 { 1915 mode->hsync_start = mode->hdisplay + 50; 1916 mode->hsync_end = mode->hsync_start + 50; 1917 mode->htotal = mode->hsync_end + 50; 1918 1919 mode->vsync_start = mode->vdisplay + 50; 1920 mode->vsync_end = mode->vsync_start + 50; 1921 mode->vtotal = mode->vsync_end + 50; 1922 1923 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6; 1924 mode->vrefresh = drm_mode_vrefresh(mode); 1925 } 1926 1927 1928 int vmw_du_connector_fill_modes(struct drm_connector *connector, 1929 uint32_t max_width, uint32_t max_height) 1930 { 1931 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1932 struct drm_device *dev = connector->dev; 1933 struct vmw_private *dev_priv = vmw_priv(dev); 1934 struct drm_display_mode *mode = NULL; 1935 struct drm_display_mode *bmode; 1936 struct drm_display_mode prefmode = { DRM_MODE("preferred", 1937 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 1938 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1939 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 1940 }; 1941 int i; 1942 1943 /* Add preferred mode */ 1944 { 1945 mode = drm_mode_duplicate(dev, &prefmode); 1946 if (!mode) 1947 return 0; 1948 mode->hdisplay = du->pref_width; 1949 mode->vdisplay = du->pref_height; 1950 vmw_guess_mode_timing(mode); 1951 1952 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, 1953 mode->vdisplay)) { 1954 drm_mode_probed_add(connector, mode); 1955 } else { 1956 drm_mode_destroy(dev, mode); 1957 mode = NULL; 1958 } 1959 1960 if (du->pref_mode) { 1961 list_del_init(&du->pref_mode->head); 1962 drm_mode_destroy(dev, du->pref_mode); 1963 } 1964 1965 /* mode might be null here, this is intended */ 1966 du->pref_mode = mode; 1967 } 1968 1969 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) { 1970 bmode = &vmw_kms_connector_builtin[i]; 1971 if (bmode->hdisplay > max_width || 1972 bmode->vdisplay > max_height) 1973 continue; 1974 1975 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, 1976 bmode->vdisplay)) 1977 continue; 1978 1979 mode = drm_mode_duplicate(dev, bmode); 1980 if (!mode) 1981 return 0; 1982 mode->vrefresh = drm_mode_vrefresh(mode); 1983 1984 drm_mode_probed_add(connector, mode); 1985 } 1986 1987 /* Move the prefered mode first, help apps pick the right mode. */ 1988 if (du->pref_mode) 1989 list_move(&du->pref_mode->head, &connector->probed_modes); 1990 1991 drm_mode_connector_list_update(connector); 1992 1993 return 1; 1994 } 1995 1996 int vmw_du_connector_set_property(struct drm_connector *connector, 1997 struct drm_property *property, 1998 uint64_t val) 1999 { 2000 return 0; 2001 } 2002 2003 2004 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 2005 struct drm_file *file_priv) 2006 { 2007 struct vmw_private *dev_priv = vmw_priv(dev); 2008 struct drm_vmw_update_layout_arg *arg = 2009 (struct drm_vmw_update_layout_arg *)data; 2010 struct vmw_master *vmaster = vmw_master(file_priv->master); 2011 void __user *user_rects; 2012 struct drm_vmw_rect *rects; 2013 unsigned rects_size; 2014 int ret; 2015 int i; 2016 struct drm_mode_config *mode_config = &dev->mode_config; 2017 2018 ret = ttm_read_lock(&vmaster->lock, true); 2019 if (unlikely(ret != 0)) 2020 return ret; 2021 2022 if (!arg->num_outputs) { 2023 struct drm_vmw_rect def_rect = {0, 0, 800, 600}; 2024 vmw_du_update_layout(dev_priv, 1, &def_rect); 2025 goto out_unlock; 2026 } 2027 2028 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); 2029 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect), 2030 GFP_KERNEL); 2031 if (unlikely(!rects)) { 2032 ret = -ENOMEM; 2033 goto out_unlock; 2034 } 2035 2036 user_rects = (void __user *)(unsigned long)arg->rects; 2037 ret = copy_from_user(rects, user_rects, rects_size); 2038 if (unlikely(ret != 0)) { 2039 DRM_ERROR("Failed to get rects.\n"); 2040 ret = -EFAULT; 2041 goto out_free; 2042 } 2043 2044 for (i = 0; i < arg->num_outputs; ++i) { 2045 if (rects[i].x < 0 || 2046 rects[i].y < 0 || 2047 rects[i].x + rects[i].w > mode_config->max_width || 2048 rects[i].y + rects[i].h > mode_config->max_height) { 2049 DRM_ERROR("Invalid GUI layout.\n"); 2050 ret = -EINVAL; 2051 goto out_free; 2052 } 2053 } 2054 2055 vmw_du_update_layout(dev_priv, arg->num_outputs, rects); 2056 2057 out_free: 2058 kfree(rects); 2059 out_unlock: 2060 ttm_read_unlock(&vmaster->lock); 2061 return ret; 2062 } 2063