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 static 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_connector_unregister(&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, NULL); 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 drm_modeset_unlock_crtc(crtc); 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 drm_modeset_lock_crtc(crtc, crtc->cursor); 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 drm_modeset_unlock_crtc(crtc); 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 drm_modeset_lock_crtc(crtc, crtc->cursor); 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, NULL); 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 static 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->primary->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 static 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_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 drm_modeset_lock_all(dev_priv->dev); 612 613 ret = ttm_read_lock(&dev_priv->reservation_sem, true); 614 if (unlikely(ret != 0)) { 615 drm_modeset_unlock_all(dev_priv->dev); 616 return ret; 617 } 618 619 if (!num_clips) { 620 num_clips = 1; 621 clips = &norect; 622 norect.x1 = norect.y1 = 0; 623 norect.x2 = framebuffer->width; 624 norect.y2 = framebuffer->height; 625 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 626 num_clips /= 2; 627 inc = 2; /* skip source rects */ 628 } 629 630 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base, 631 flags, color, 632 clips, num_clips, inc, NULL); 633 634 ttm_read_unlock(&dev_priv->reservation_sem); 635 636 drm_modeset_unlock_all(dev_priv->dev); 637 638 return 0; 639 } 640 641 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { 642 .destroy = vmw_framebuffer_surface_destroy, 643 .dirty = vmw_framebuffer_surface_dirty, 644 }; 645 646 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, 647 struct drm_file *file_priv, 648 struct vmw_surface *surface, 649 struct vmw_framebuffer **out, 650 const struct drm_mode_fb_cmd 651 *mode_cmd) 652 653 { 654 struct drm_device *dev = dev_priv->dev; 655 struct vmw_framebuffer_surface *vfbs; 656 enum SVGA3dSurfaceFormat format; 657 struct vmw_master *vmaster = vmw_master(file_priv->master); 658 int ret; 659 660 /* 3D is only supported on HWv8 hosts which supports screen objects */ 661 if (!dev_priv->sou_priv) 662 return -ENOSYS; 663 664 /* 665 * Sanity checks. 666 */ 667 668 /* Surface must be marked as a scanout. */ 669 if (unlikely(!surface->scanout)) 670 return -EINVAL; 671 672 if (unlikely(surface->mip_levels[0] != 1 || 673 surface->num_sizes != 1 || 674 surface->base_size.width < mode_cmd->width || 675 surface->base_size.height < mode_cmd->height || 676 surface->base_size.depth != 1)) { 677 DRM_ERROR("Incompatible surface dimensions " 678 "for requested mode.\n"); 679 return -EINVAL; 680 } 681 682 switch (mode_cmd->depth) { 683 case 32: 684 format = SVGA3D_A8R8G8B8; 685 break; 686 case 24: 687 format = SVGA3D_X8R8G8B8; 688 break; 689 case 16: 690 format = SVGA3D_R5G6B5; 691 break; 692 case 15: 693 format = SVGA3D_A1R5G5B5; 694 break; 695 case 8: 696 format = SVGA3D_LUMINANCE8; 697 break; 698 default: 699 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 700 return -EINVAL; 701 } 702 703 if (unlikely(format != surface->format)) { 704 DRM_ERROR("Invalid surface format for requested mode.\n"); 705 return -EINVAL; 706 } 707 708 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); 709 if (!vfbs) { 710 ret = -ENOMEM; 711 goto out_err1; 712 } 713 714 if (!vmw_surface_reference(surface)) { 715 DRM_ERROR("failed to reference surface %p\n", surface); 716 ret = -EINVAL; 717 goto out_err2; 718 } 719 720 /* XXX get the first 3 from the surface info */ 721 vfbs->base.base.bits_per_pixel = mode_cmd->bpp; 722 vfbs->base.base.pitches[0] = mode_cmd->pitch; 723 vfbs->base.base.depth = mode_cmd->depth; 724 vfbs->base.base.width = mode_cmd->width; 725 vfbs->base.base.height = mode_cmd->height; 726 vfbs->surface = surface; 727 vfbs->base.user_handle = mode_cmd->handle; 728 vfbs->master = drm_master_get(file_priv->master); 729 730 mutex_lock(&vmaster->fb_surf_mutex); 731 list_add_tail(&vfbs->head, &vmaster->fb_surf); 732 mutex_unlock(&vmaster->fb_surf_mutex); 733 734 *out = &vfbs->base; 735 736 ret = drm_framebuffer_init(dev, &vfbs->base.base, 737 &vmw_framebuffer_surface_funcs); 738 if (ret) 739 goto out_err3; 740 741 return 0; 742 743 out_err3: 744 vmw_surface_unreference(&surface); 745 out_err2: 746 kfree(vfbs); 747 out_err1: 748 return ret; 749 } 750 751 /* 752 * Dmabuf framebuffer code 753 */ 754 755 #define vmw_framebuffer_to_vfbd(x) \ 756 container_of(x, struct vmw_framebuffer_dmabuf, base.base) 757 758 struct vmw_framebuffer_dmabuf { 759 struct vmw_framebuffer base; 760 struct vmw_dma_buffer *buffer; 761 }; 762 763 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) 764 { 765 struct vmw_framebuffer_dmabuf *vfbd = 766 vmw_framebuffer_to_vfbd(framebuffer); 767 768 drm_framebuffer_cleanup(framebuffer); 769 vmw_dmabuf_unreference(&vfbd->buffer); 770 ttm_base_object_unref(&vfbd->base.user_obj); 771 772 kfree(vfbd); 773 } 774 775 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv, 776 struct vmw_framebuffer *framebuffer, 777 unsigned flags, unsigned color, 778 struct drm_clip_rect *clips, 779 unsigned num_clips, int increment) 780 { 781 size_t fifo_size; 782 int i; 783 784 struct { 785 uint32_t header; 786 SVGAFifoCmdUpdate body; 787 } *cmd; 788 789 fifo_size = sizeof(*cmd) * num_clips; 790 cmd = vmw_fifo_reserve(dev_priv, fifo_size); 791 if (unlikely(cmd == NULL)) { 792 DRM_ERROR("Fifo reserve failed.\n"); 793 return -ENOMEM; 794 } 795 796 memset(cmd, 0, fifo_size); 797 for (i = 0; i < num_clips; i++, clips += increment) { 798 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE); 799 cmd[i].body.x = cpu_to_le32(clips->x1); 800 cmd[i].body.y = cpu_to_le32(clips->y1); 801 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1); 802 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1); 803 } 804 805 vmw_fifo_commit(dev_priv, fifo_size); 806 return 0; 807 } 808 809 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, 810 struct vmw_private *dev_priv, 811 struct vmw_framebuffer *framebuffer) 812 { 813 int depth = framebuffer->base.depth; 814 size_t fifo_size; 815 int ret; 816 817 struct { 818 uint32_t header; 819 SVGAFifoCmdDefineGMRFB body; 820 } *cmd; 821 822 /* Emulate RGBA support, contrary to svga_reg.h this is not 823 * supported by hosts. This is only a problem if we are reading 824 * this value later and expecting what we uploaded back. 825 */ 826 if (depth == 32) 827 depth = 24; 828 829 fifo_size = sizeof(*cmd); 830 cmd = kmalloc(fifo_size, GFP_KERNEL); 831 if (unlikely(cmd == NULL)) { 832 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 833 return -ENOMEM; 834 } 835 836 memset(cmd, 0, fifo_size); 837 cmd->header = SVGA_CMD_DEFINE_GMRFB; 838 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; 839 cmd->body.format.colorDepth = depth; 840 cmd->body.format.reserved = 0; 841 cmd->body.bytesPerLine = framebuffer->base.pitches[0]; 842 cmd->body.ptr.gmrId = framebuffer->user_handle; 843 cmd->body.ptr.offset = 0; 844 845 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 846 fifo_size, 0, NULL, NULL); 847 848 kfree(cmd); 849 850 return ret; 851 } 852 853 static int do_dmabuf_dirty_sou(struct drm_file *file_priv, 854 struct vmw_private *dev_priv, 855 struct vmw_framebuffer *framebuffer, 856 unsigned flags, unsigned color, 857 struct drm_clip_rect *clips, 858 unsigned num_clips, int increment, 859 struct vmw_fence_obj **out_fence) 860 { 861 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 862 struct drm_clip_rect *clips_ptr; 863 int i, k, num_units, ret; 864 struct drm_crtc *crtc; 865 size_t fifo_size; 866 867 struct { 868 uint32_t header; 869 SVGAFifoCmdBlitGMRFBToScreen body; 870 } *blits; 871 872 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer); 873 if (unlikely(ret != 0)) 874 return ret; /* define_gmrfb prints warnings */ 875 876 fifo_size = sizeof(*blits) * num_clips; 877 blits = kmalloc(fifo_size, GFP_KERNEL); 878 if (unlikely(blits == NULL)) { 879 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 880 return -ENOMEM; 881 } 882 883 num_units = 0; 884 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 885 if (crtc->primary->fb != &framebuffer->base) 886 continue; 887 units[num_units++] = vmw_crtc_to_du(crtc); 888 } 889 890 for (k = 0; k < num_units; k++) { 891 struct vmw_display_unit *unit = units[k]; 892 int hit_num = 0; 893 894 clips_ptr = clips; 895 for (i = 0; i < num_clips; i++, clips_ptr += increment) { 896 int clip_x1 = clips_ptr->x1 - unit->crtc.x; 897 int clip_y1 = clips_ptr->y1 - unit->crtc.y; 898 int clip_x2 = clips_ptr->x2 - unit->crtc.x; 899 int clip_y2 = clips_ptr->y2 - unit->crtc.y; 900 int move_x, move_y; 901 902 /* skip any crtcs that misses the clip region */ 903 if (clip_x1 >= unit->crtc.mode.hdisplay || 904 clip_y1 >= unit->crtc.mode.vdisplay || 905 clip_x2 <= 0 || clip_y2 <= 0) 906 continue; 907 908 /* clip size to crtc size */ 909 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay); 910 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay); 911 912 /* translate both src and dest to bring clip into screen */ 913 move_x = min_t(int, clip_x1, 0); 914 move_y = min_t(int, clip_y1, 0); 915 916 /* actual translate done here */ 917 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; 918 blits[hit_num].body.destScreenId = unit->unit; 919 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x; 920 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y; 921 blits[hit_num].body.destRect.left = clip_x1 - move_x; 922 blits[hit_num].body.destRect.top = clip_y1 - move_y; 923 blits[hit_num].body.destRect.right = clip_x2; 924 blits[hit_num].body.destRect.bottom = clip_y2; 925 hit_num++; 926 } 927 928 /* no clips hit the crtc */ 929 if (hit_num == 0) 930 continue; 931 932 /* only return the last fence */ 933 if (out_fence && *out_fence) 934 vmw_fence_obj_unreference(out_fence); 935 936 fifo_size = sizeof(*blits) * hit_num; 937 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits, 938 fifo_size, 0, NULL, out_fence); 939 940 if (unlikely(ret != 0)) 941 break; 942 } 943 944 kfree(blits); 945 946 return ret; 947 } 948 949 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, 950 struct drm_file *file_priv, 951 unsigned flags, unsigned color, 952 struct drm_clip_rect *clips, 953 unsigned num_clips) 954 { 955 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 956 struct vmw_framebuffer_dmabuf *vfbd = 957 vmw_framebuffer_to_vfbd(framebuffer); 958 struct drm_clip_rect norect; 959 int ret, increment = 1; 960 961 drm_modeset_lock_all(dev_priv->dev); 962 963 ret = ttm_read_lock(&dev_priv->reservation_sem, true); 964 if (unlikely(ret != 0)) { 965 drm_modeset_unlock_all(dev_priv->dev); 966 return ret; 967 } 968 969 if (!num_clips) { 970 num_clips = 1; 971 clips = &norect; 972 norect.x1 = norect.y1 = 0; 973 norect.x2 = framebuffer->width; 974 norect.y2 = framebuffer->height; 975 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 976 num_clips /= 2; 977 increment = 2; 978 } 979 980 if (dev_priv->ldu_priv) { 981 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base, 982 flags, color, 983 clips, num_clips, increment); 984 } else { 985 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base, 986 flags, color, 987 clips, num_clips, increment, NULL); 988 } 989 990 ttm_read_unlock(&dev_priv->reservation_sem); 991 992 drm_modeset_unlock_all(dev_priv->dev); 993 994 return ret; 995 } 996 997 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { 998 .destroy = vmw_framebuffer_dmabuf_destroy, 999 .dirty = vmw_framebuffer_dmabuf_dirty, 1000 }; 1001 1002 /** 1003 * Pin the dmabuffer to the start of vram. 1004 */ 1005 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) 1006 { 1007 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1008 struct vmw_framebuffer_dmabuf *vfbd = 1009 vmw_framebuffer_to_vfbd(&vfb->base); 1010 int ret; 1011 1012 /* This code should not be used with screen objects */ 1013 BUG_ON(dev_priv->sou_priv); 1014 1015 vmw_overlay_pause_all(dev_priv); 1016 1017 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false); 1018 1019 vmw_overlay_resume_all(dev_priv); 1020 1021 WARN_ON(ret != 0); 1022 1023 return 0; 1024 } 1025 1026 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) 1027 { 1028 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1029 struct vmw_framebuffer_dmabuf *vfbd = 1030 vmw_framebuffer_to_vfbd(&vfb->base); 1031 1032 if (!vfbd->buffer) { 1033 WARN_ON(!vfbd->buffer); 1034 return 0; 1035 } 1036 1037 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false); 1038 } 1039 1040 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, 1041 struct vmw_dma_buffer *dmabuf, 1042 struct vmw_framebuffer **out, 1043 const struct drm_mode_fb_cmd 1044 *mode_cmd) 1045 1046 { 1047 struct drm_device *dev = dev_priv->dev; 1048 struct vmw_framebuffer_dmabuf *vfbd; 1049 unsigned int requested_size; 1050 int ret; 1051 1052 requested_size = mode_cmd->height * mode_cmd->pitch; 1053 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) { 1054 DRM_ERROR("Screen buffer object size is too small " 1055 "for requested mode.\n"); 1056 return -EINVAL; 1057 } 1058 1059 /* Limited framebuffer color depth support for screen objects */ 1060 if (dev_priv->sou_priv) { 1061 switch (mode_cmd->depth) { 1062 case 32: 1063 case 24: 1064 /* Only support 32 bpp for 32 and 24 depth fbs */ 1065 if (mode_cmd->bpp == 32) 1066 break; 1067 1068 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1069 mode_cmd->depth, mode_cmd->bpp); 1070 return -EINVAL; 1071 case 16: 1072 case 15: 1073 /* Only support 16 bpp for 16 and 15 depth fbs */ 1074 if (mode_cmd->bpp == 16) 1075 break; 1076 1077 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1078 mode_cmd->depth, mode_cmd->bpp); 1079 return -EINVAL; 1080 default: 1081 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 1082 return -EINVAL; 1083 } 1084 } 1085 1086 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); 1087 if (!vfbd) { 1088 ret = -ENOMEM; 1089 goto out_err1; 1090 } 1091 1092 if (!vmw_dmabuf_reference(dmabuf)) { 1093 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf); 1094 ret = -EINVAL; 1095 goto out_err2; 1096 } 1097 1098 vfbd->base.base.bits_per_pixel = mode_cmd->bpp; 1099 vfbd->base.base.pitches[0] = mode_cmd->pitch; 1100 vfbd->base.base.depth = mode_cmd->depth; 1101 vfbd->base.base.width = mode_cmd->width; 1102 vfbd->base.base.height = mode_cmd->height; 1103 if (!dev_priv->sou_priv) { 1104 vfbd->base.pin = vmw_framebuffer_dmabuf_pin; 1105 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; 1106 } 1107 vfbd->base.dmabuf = true; 1108 vfbd->buffer = dmabuf; 1109 vfbd->base.user_handle = mode_cmd->handle; 1110 *out = &vfbd->base; 1111 1112 ret = drm_framebuffer_init(dev, &vfbd->base.base, 1113 &vmw_framebuffer_dmabuf_funcs); 1114 if (ret) 1115 goto out_err3; 1116 1117 return 0; 1118 1119 out_err3: 1120 vmw_dmabuf_unreference(&dmabuf); 1121 out_err2: 1122 kfree(vfbd); 1123 out_err1: 1124 return ret; 1125 } 1126 1127 /* 1128 * Generic Kernel modesetting functions 1129 */ 1130 1131 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, 1132 struct drm_file *file_priv, 1133 struct drm_mode_fb_cmd2 *mode_cmd2) 1134 { 1135 struct vmw_private *dev_priv = vmw_priv(dev); 1136 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 1137 struct vmw_framebuffer *vfb = NULL; 1138 struct vmw_surface *surface = NULL; 1139 struct vmw_dma_buffer *bo = NULL; 1140 struct ttm_base_object *user_obj; 1141 struct drm_mode_fb_cmd mode_cmd; 1142 int ret; 1143 1144 mode_cmd.width = mode_cmd2->width; 1145 mode_cmd.height = mode_cmd2->height; 1146 mode_cmd.pitch = mode_cmd2->pitches[0]; 1147 mode_cmd.handle = mode_cmd2->handles[0]; 1148 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth, 1149 &mode_cmd.bpp); 1150 1151 /** 1152 * This code should be conditioned on Screen Objects not being used. 1153 * If screen objects are used, we can allocate a GMR to hold the 1154 * requested framebuffer. 1155 */ 1156 1157 if (!vmw_kms_validate_mode_vram(dev_priv, 1158 mode_cmd.pitch, 1159 mode_cmd.height)) { 1160 DRM_ERROR("VRAM size is too small for requested mode.\n"); 1161 return ERR_PTR(-ENOMEM); 1162 } 1163 1164 /* 1165 * Take a reference on the user object of the resource 1166 * backing the kms fb. This ensures that user-space handle 1167 * lookups on that resource will always work as long as 1168 * it's registered with a kms framebuffer. This is important, 1169 * since vmw_execbuf_process identifies resources in the 1170 * command stream using user-space handles. 1171 */ 1172 1173 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle); 1174 if (unlikely(user_obj == NULL)) { 1175 DRM_ERROR("Could not locate requested kms frame buffer.\n"); 1176 return ERR_PTR(-ENOENT); 1177 } 1178 1179 /** 1180 * End conditioned code. 1181 */ 1182 1183 /* returns either a dmabuf or surface */ 1184 ret = vmw_user_lookup_handle(dev_priv, tfile, 1185 mode_cmd.handle, 1186 &surface, &bo); 1187 if (ret) 1188 goto err_out; 1189 1190 /* Create the new framebuffer depending one what we got back */ 1191 if (bo) 1192 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, 1193 &mode_cmd); 1194 else if (surface) 1195 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, 1196 surface, &vfb, &mode_cmd); 1197 else 1198 BUG(); 1199 1200 err_out: 1201 /* vmw_user_lookup_handle takes one ref so does new_fb */ 1202 if (bo) 1203 vmw_dmabuf_unreference(&bo); 1204 if (surface) 1205 vmw_surface_unreference(&surface); 1206 1207 if (ret) { 1208 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); 1209 ttm_base_object_unref(&user_obj); 1210 return ERR_PTR(ret); 1211 } else 1212 vfb->user_obj = user_obj; 1213 1214 return &vfb->base; 1215 } 1216 1217 static const struct drm_mode_config_funcs vmw_kms_funcs = { 1218 .fb_create = vmw_kms_fb_create, 1219 }; 1220 1221 int vmw_kms_present(struct vmw_private *dev_priv, 1222 struct drm_file *file_priv, 1223 struct vmw_framebuffer *vfb, 1224 struct vmw_surface *surface, 1225 uint32_t sid, 1226 int32_t destX, int32_t destY, 1227 struct drm_vmw_rect *clips, 1228 uint32_t num_clips) 1229 { 1230 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1231 struct drm_clip_rect *tmp; 1232 struct drm_crtc *crtc; 1233 size_t fifo_size; 1234 int i, k, num_units; 1235 int ret = 0; /* silence warning */ 1236 int left, right, top, bottom; 1237 1238 struct { 1239 SVGA3dCmdHeader header; 1240 SVGA3dCmdBlitSurfaceToScreen body; 1241 } *cmd; 1242 SVGASignedRect *blits; 1243 1244 num_units = 0; 1245 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1246 if (crtc->primary->fb != &vfb->base) 1247 continue; 1248 units[num_units++] = vmw_crtc_to_du(crtc); 1249 } 1250 1251 BUG_ON(surface == NULL); 1252 BUG_ON(!clips || !num_clips); 1253 1254 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 1255 if (unlikely(tmp == NULL)) { 1256 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 1257 return -ENOMEM; 1258 } 1259 1260 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 1261 cmd = kmalloc(fifo_size, GFP_KERNEL); 1262 if (unlikely(cmd == NULL)) { 1263 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1264 ret = -ENOMEM; 1265 goto out_free_tmp; 1266 } 1267 1268 left = clips->x; 1269 right = clips->x + clips->w; 1270 top = clips->y; 1271 bottom = clips->y + clips->h; 1272 1273 for (i = 1; i < num_clips; i++) { 1274 left = min_t(int, left, (int)clips[i].x); 1275 right = max_t(int, right, (int)clips[i].x + clips[i].w); 1276 top = min_t(int, top, (int)clips[i].y); 1277 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h); 1278 } 1279 1280 /* only need to do this once */ 1281 memset(cmd, 0, fifo_size); 1282 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 1283 1284 blits = (SVGASignedRect *)&cmd[1]; 1285 1286 cmd->body.srcRect.left = left; 1287 cmd->body.srcRect.right = right; 1288 cmd->body.srcRect.top = top; 1289 cmd->body.srcRect.bottom = bottom; 1290 1291 for (i = 0; i < num_clips; i++) { 1292 tmp[i].x1 = clips[i].x - left; 1293 tmp[i].x2 = clips[i].x + clips[i].w - left; 1294 tmp[i].y1 = clips[i].y - top; 1295 tmp[i].y2 = clips[i].y + clips[i].h - top; 1296 } 1297 1298 for (k = 0; k < num_units; k++) { 1299 struct vmw_display_unit *unit = units[k]; 1300 struct vmw_clip_rect clip; 1301 int num; 1302 1303 clip.x1 = left + destX - unit->crtc.x; 1304 clip.y1 = top + destY - unit->crtc.y; 1305 clip.x2 = right + destX - unit->crtc.x; 1306 clip.y2 = bottom + destY - unit->crtc.y; 1307 1308 /* skip any crtcs that misses the clip region */ 1309 if (clip.x1 >= unit->crtc.mode.hdisplay || 1310 clip.y1 >= unit->crtc.mode.vdisplay || 1311 clip.x2 <= 0 || clip.y2 <= 0) 1312 continue; 1313 1314 /* 1315 * In order for the clip rects to be correctly scaled 1316 * the src and dest rects needs to be the same size. 1317 */ 1318 cmd->body.destRect.left = clip.x1; 1319 cmd->body.destRect.right = clip.x2; 1320 cmd->body.destRect.top = clip.y1; 1321 cmd->body.destRect.bottom = clip.y2; 1322 1323 /* create a clip rect of the crtc in dest coords */ 1324 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 1325 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 1326 clip.x1 = 0 - clip.x1; 1327 clip.y1 = 0 - clip.y1; 1328 1329 /* need to reset sid as it is changed by execbuf */ 1330 cmd->body.srcImage.sid = sid; 1331 cmd->body.destScreenId = unit->unit; 1332 1333 /* clip and write blits to cmd stream */ 1334 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 1335 1336 /* if no cliprects hit skip this */ 1337 if (num == 0) 1338 continue; 1339 1340 /* recalculate package length */ 1341 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 1342 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 1343 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 1344 fifo_size, 0, NULL, NULL); 1345 1346 if (unlikely(ret != 0)) 1347 break; 1348 } 1349 1350 kfree(cmd); 1351 out_free_tmp: 1352 kfree(tmp); 1353 1354 return ret; 1355 } 1356 1357 int vmw_kms_readback(struct vmw_private *dev_priv, 1358 struct drm_file *file_priv, 1359 struct vmw_framebuffer *vfb, 1360 struct drm_vmw_fence_rep __user *user_fence_rep, 1361 struct drm_vmw_rect *clips, 1362 uint32_t num_clips) 1363 { 1364 struct vmw_framebuffer_dmabuf *vfbd = 1365 vmw_framebuffer_to_vfbd(&vfb->base); 1366 struct vmw_dma_buffer *dmabuf = vfbd->buffer; 1367 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1368 struct drm_crtc *crtc; 1369 size_t fifo_size; 1370 int i, k, ret, num_units, blits_pos; 1371 1372 struct { 1373 uint32_t header; 1374 SVGAFifoCmdDefineGMRFB body; 1375 } *cmd; 1376 struct { 1377 uint32_t header; 1378 SVGAFifoCmdBlitScreenToGMRFB body; 1379 } *blits; 1380 1381 num_units = 0; 1382 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1383 if (crtc->primary->fb != &vfb->base) 1384 continue; 1385 units[num_units++] = vmw_crtc_to_du(crtc); 1386 } 1387 1388 BUG_ON(dmabuf == NULL); 1389 BUG_ON(!clips || !num_clips); 1390 1391 /* take a safe guess at fifo size */ 1392 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units; 1393 cmd = kmalloc(fifo_size, GFP_KERNEL); 1394 if (unlikely(cmd == NULL)) { 1395 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1396 return -ENOMEM; 1397 } 1398 1399 memset(cmd, 0, fifo_size); 1400 cmd->header = SVGA_CMD_DEFINE_GMRFB; 1401 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel; 1402 cmd->body.format.colorDepth = vfb->base.depth; 1403 cmd->body.format.reserved = 0; 1404 cmd->body.bytesPerLine = vfb->base.pitches[0]; 1405 cmd->body.ptr.gmrId = vfb->user_handle; 1406 cmd->body.ptr.offset = 0; 1407 1408 blits = (void *)&cmd[1]; 1409 blits_pos = 0; 1410 for (i = 0; i < num_units; i++) { 1411 struct drm_vmw_rect *c = clips; 1412 for (k = 0; k < num_clips; k++, c++) { 1413 /* transform clip coords to crtc origin based coords */ 1414 int clip_x1 = c->x - units[i]->crtc.x; 1415 int clip_x2 = c->x - units[i]->crtc.x + c->w; 1416 int clip_y1 = c->y - units[i]->crtc.y; 1417 int clip_y2 = c->y - units[i]->crtc.y + c->h; 1418 int dest_x = c->x; 1419 int dest_y = c->y; 1420 1421 /* compensate for clipping, we negate 1422 * a negative number and add that. 1423 */ 1424 if (clip_x1 < 0) 1425 dest_x += -clip_x1; 1426 if (clip_y1 < 0) 1427 dest_y += -clip_y1; 1428 1429 /* clip */ 1430 clip_x1 = max(clip_x1, 0); 1431 clip_y1 = max(clip_y1, 0); 1432 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay); 1433 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay); 1434 1435 /* and cull any rects that misses the crtc */ 1436 if (clip_x1 >= units[i]->crtc.mode.hdisplay || 1437 clip_y1 >= units[i]->crtc.mode.vdisplay || 1438 clip_x2 <= 0 || clip_y2 <= 0) 1439 continue; 1440 1441 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; 1442 blits[blits_pos].body.srcScreenId = units[i]->unit; 1443 blits[blits_pos].body.destOrigin.x = dest_x; 1444 blits[blits_pos].body.destOrigin.y = dest_y; 1445 1446 blits[blits_pos].body.srcRect.left = clip_x1; 1447 blits[blits_pos].body.srcRect.top = clip_y1; 1448 blits[blits_pos].body.srcRect.right = clip_x2; 1449 blits[blits_pos].body.srcRect.bottom = clip_y2; 1450 blits_pos++; 1451 } 1452 } 1453 /* reset size here and use calculated exact size from loops */ 1454 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos; 1455 1456 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size, 1457 0, user_fence_rep, NULL); 1458 1459 kfree(cmd); 1460 1461 return ret; 1462 } 1463 1464 int vmw_kms_init(struct vmw_private *dev_priv) 1465 { 1466 struct drm_device *dev = dev_priv->dev; 1467 int ret; 1468 1469 drm_mode_config_init(dev); 1470 dev->mode_config.funcs = &vmw_kms_funcs; 1471 dev->mode_config.min_width = 1; 1472 dev->mode_config.min_height = 1; 1473 /* assumed largest fb size */ 1474 dev->mode_config.max_width = 8192; 1475 dev->mode_config.max_height = 8192; 1476 1477 ret = vmw_kms_init_screen_object_display(dev_priv); 1478 if (ret) /* Fallback */ 1479 (void)vmw_kms_init_legacy_display_system(dev_priv); 1480 1481 return 0; 1482 } 1483 1484 int vmw_kms_close(struct vmw_private *dev_priv) 1485 { 1486 /* 1487 * Docs says we should take the lock before calling this function 1488 * but since it destroys encoders and our destructor calls 1489 * drm_encoder_cleanup which takes the lock we deadlock. 1490 */ 1491 drm_mode_config_cleanup(dev_priv->dev); 1492 if (dev_priv->sou_priv) 1493 vmw_kms_close_screen_object_display(dev_priv); 1494 else 1495 vmw_kms_close_legacy_display_system(dev_priv); 1496 return 0; 1497 } 1498 1499 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1500 struct drm_file *file_priv) 1501 { 1502 struct drm_vmw_cursor_bypass_arg *arg = data; 1503 struct vmw_display_unit *du; 1504 struct drm_crtc *crtc; 1505 int ret = 0; 1506 1507 1508 mutex_lock(&dev->mode_config.mutex); 1509 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) { 1510 1511 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1512 du = vmw_crtc_to_du(crtc); 1513 du->hotspot_x = arg->xhot; 1514 du->hotspot_y = arg->yhot; 1515 } 1516 1517 mutex_unlock(&dev->mode_config.mutex); 1518 return 0; 1519 } 1520 1521 crtc = drm_crtc_find(dev, arg->crtc_id); 1522 if (!crtc) { 1523 ret = -ENOENT; 1524 goto out; 1525 } 1526 1527 du = vmw_crtc_to_du(crtc); 1528 1529 du->hotspot_x = arg->xhot; 1530 du->hotspot_y = arg->yhot; 1531 1532 out: 1533 mutex_unlock(&dev->mode_config.mutex); 1534 1535 return ret; 1536 } 1537 1538 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1539 unsigned width, unsigned height, unsigned pitch, 1540 unsigned bpp, unsigned depth) 1541 { 1542 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1543 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch); 1544 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1545 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1546 vmw_write(vmw_priv, SVGA_REG_WIDTH, width); 1547 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); 1548 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp); 1549 1550 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) { 1551 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n", 1552 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH)); 1553 return -EINVAL; 1554 } 1555 1556 return 0; 1557 } 1558 1559 int vmw_kms_save_vga(struct vmw_private *vmw_priv) 1560 { 1561 struct vmw_vga_topology_state *save; 1562 uint32_t i; 1563 1564 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); 1565 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); 1566 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); 1567 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1568 vmw_priv->vga_pitchlock = 1569 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK); 1570 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1571 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt + 1572 SVGA_FIFO_PITCHLOCK); 1573 1574 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1575 return 0; 1576 1577 vmw_priv->num_displays = vmw_read(vmw_priv, 1578 SVGA_REG_NUM_GUEST_DISPLAYS); 1579 1580 if (vmw_priv->num_displays == 0) 1581 vmw_priv->num_displays = 1; 1582 1583 for (i = 0; i < vmw_priv->num_displays; ++i) { 1584 save = &vmw_priv->vga_save[i]; 1585 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1586 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY); 1587 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X); 1588 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y); 1589 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); 1590 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); 1591 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1592 if (i == 0 && vmw_priv->num_displays == 1 && 1593 save->width == 0 && save->height == 0) { 1594 1595 /* 1596 * It should be fairly safe to assume that these 1597 * values are uninitialized. 1598 */ 1599 1600 save->width = vmw_priv->vga_width - save->pos_x; 1601 save->height = vmw_priv->vga_height - save->pos_y; 1602 } 1603 } 1604 1605 return 0; 1606 } 1607 1608 int vmw_kms_restore_vga(struct vmw_private *vmw_priv) 1609 { 1610 struct vmw_vga_topology_state *save; 1611 uint32_t i; 1612 1613 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); 1614 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); 1615 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); 1616 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1617 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, 1618 vmw_priv->vga_pitchlock); 1619 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1620 iowrite32(vmw_priv->vga_pitchlock, 1621 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1622 1623 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1624 return 0; 1625 1626 for (i = 0; i < vmw_priv->num_displays; ++i) { 1627 save = &vmw_priv->vga_save[i]; 1628 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1629 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary); 1630 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x); 1631 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y); 1632 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width); 1633 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height); 1634 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1635 } 1636 1637 return 0; 1638 } 1639 1640 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1641 uint32_t pitch, 1642 uint32_t height) 1643 { 1644 return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem; 1645 } 1646 1647 1648 /** 1649 * Function called by DRM code called with vbl_lock held. 1650 */ 1651 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc) 1652 { 1653 return 0; 1654 } 1655 1656 /** 1657 * Function called by DRM code called with vbl_lock held. 1658 */ 1659 int vmw_enable_vblank(struct drm_device *dev, int crtc) 1660 { 1661 return -ENOSYS; 1662 } 1663 1664 /** 1665 * Function called by DRM code called with vbl_lock held. 1666 */ 1667 void vmw_disable_vblank(struct drm_device *dev, int crtc) 1668 { 1669 } 1670 1671 1672 /* 1673 * Small shared kms functions. 1674 */ 1675 1676 static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num, 1677 struct drm_vmw_rect *rects) 1678 { 1679 struct drm_device *dev = dev_priv->dev; 1680 struct vmw_display_unit *du; 1681 struct drm_connector *con; 1682 1683 mutex_lock(&dev->mode_config.mutex); 1684 1685 #if 0 1686 { 1687 unsigned int i; 1688 1689 DRM_INFO("%s: new layout ", __func__); 1690 for (i = 0; i < num; i++) 1691 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, 1692 rects[i].w, rects[i].h); 1693 DRM_INFO("\n"); 1694 } 1695 #endif 1696 1697 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 1698 du = vmw_connector_to_du(con); 1699 if (num > du->unit) { 1700 du->pref_width = rects[du->unit].w; 1701 du->pref_height = rects[du->unit].h; 1702 du->pref_active = true; 1703 du->gui_x = rects[du->unit].x; 1704 du->gui_y = rects[du->unit].y; 1705 } else { 1706 du->pref_width = 800; 1707 du->pref_height = 600; 1708 du->pref_active = false; 1709 } 1710 con->status = vmw_du_connector_detect(con, true); 1711 } 1712 1713 mutex_unlock(&dev->mode_config.mutex); 1714 1715 return 0; 1716 } 1717 1718 int vmw_du_page_flip(struct drm_crtc *crtc, 1719 struct drm_framebuffer *fb, 1720 struct drm_pending_vblank_event *event, 1721 uint32_t page_flip_flags) 1722 { 1723 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1724 struct drm_framebuffer *old_fb = crtc->primary->fb; 1725 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); 1726 struct drm_file *file_priv ; 1727 struct vmw_fence_obj *fence = NULL; 1728 struct drm_clip_rect clips; 1729 int ret; 1730 1731 if (event == NULL) 1732 return -EINVAL; 1733 1734 /* require ScreenObject support for page flipping */ 1735 if (!dev_priv->sou_priv) 1736 return -ENOSYS; 1737 1738 file_priv = event->base.file_priv; 1739 if (!vmw_kms_screen_object_flippable(dev_priv, crtc)) 1740 return -EINVAL; 1741 1742 crtc->primary->fb = fb; 1743 1744 /* do a full screen dirty update */ 1745 clips.x1 = clips.y1 = 0; 1746 clips.x2 = fb->width; 1747 clips.y2 = fb->height; 1748 1749 if (vfb->dmabuf) 1750 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb, 1751 0, 0, &clips, 1, 1, &fence); 1752 else 1753 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb, 1754 0, 0, &clips, 1, 1, &fence); 1755 1756 1757 if (ret != 0) 1758 goto out_no_fence; 1759 if (!fence) { 1760 ret = -EINVAL; 1761 goto out_no_fence; 1762 } 1763 1764 ret = vmw_event_fence_action_queue(file_priv, fence, 1765 &event->base, 1766 &event->event.tv_sec, 1767 &event->event.tv_usec, 1768 true); 1769 1770 /* 1771 * No need to hold on to this now. The only cleanup 1772 * we need to do if we fail is unref the fence. 1773 */ 1774 vmw_fence_obj_unreference(&fence); 1775 1776 if (vmw_crtc_to_du(crtc)->is_implicit) 1777 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc); 1778 1779 return ret; 1780 1781 out_no_fence: 1782 crtc->primary->fb = old_fb; 1783 return ret; 1784 } 1785 1786 1787 void vmw_du_crtc_save(struct drm_crtc *crtc) 1788 { 1789 } 1790 1791 void vmw_du_crtc_restore(struct drm_crtc *crtc) 1792 { 1793 } 1794 1795 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, 1796 u16 *r, u16 *g, u16 *b, 1797 uint32_t start, uint32_t size) 1798 { 1799 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1800 int i; 1801 1802 for (i = 0; i < size; i++) { 1803 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i, 1804 r[i], g[i], b[i]); 1805 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8); 1806 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8); 1807 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8); 1808 } 1809 } 1810 1811 void vmw_du_connector_dpms(struct drm_connector *connector, int mode) 1812 { 1813 } 1814 1815 void vmw_du_connector_save(struct drm_connector *connector) 1816 { 1817 } 1818 1819 void vmw_du_connector_restore(struct drm_connector *connector) 1820 { 1821 } 1822 1823 enum drm_connector_status 1824 vmw_du_connector_detect(struct drm_connector *connector, bool force) 1825 { 1826 uint32_t num_displays; 1827 struct drm_device *dev = connector->dev; 1828 struct vmw_private *dev_priv = vmw_priv(dev); 1829 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1830 1831 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS); 1832 1833 return ((vmw_connector_to_du(connector)->unit < num_displays && 1834 du->pref_active) ? 1835 connector_status_connected : connector_status_disconnected); 1836 } 1837 1838 static struct drm_display_mode vmw_kms_connector_builtin[] = { 1839 /* 640x480@60Hz */ 1840 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 1841 752, 800, 0, 480, 489, 492, 525, 0, 1842 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1843 /* 800x600@60Hz */ 1844 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 1845 968, 1056, 0, 600, 601, 605, 628, 0, 1846 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1847 /* 1024x768@60Hz */ 1848 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1849 1184, 1344, 0, 768, 771, 777, 806, 0, 1850 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1851 /* 1152x864@75Hz */ 1852 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 1853 1344, 1600, 0, 864, 865, 868, 900, 0, 1854 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1855 /* 1280x768@60Hz */ 1856 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 1857 1472, 1664, 0, 768, 771, 778, 798, 0, 1858 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1859 /* 1280x800@60Hz */ 1860 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 1861 1480, 1680, 0, 800, 803, 809, 831, 0, 1862 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1863 /* 1280x960@60Hz */ 1864 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 1865 1488, 1800, 0, 960, 961, 964, 1000, 0, 1866 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1867 /* 1280x1024@60Hz */ 1868 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 1869 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 1870 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1871 /* 1360x768@60Hz */ 1872 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 1873 1536, 1792, 0, 768, 771, 777, 795, 0, 1874 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1875 /* 1440x1050@60Hz */ 1876 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 1877 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 1878 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1879 /* 1440x900@60Hz */ 1880 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 1881 1672, 1904, 0, 900, 903, 909, 934, 0, 1882 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1883 /* 1600x1200@60Hz */ 1884 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 1885 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 1886 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1887 /* 1680x1050@60Hz */ 1888 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 1889 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 1890 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1891 /* 1792x1344@60Hz */ 1892 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 1893 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 1894 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1895 /* 1853x1392@60Hz */ 1896 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 1897 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 1898 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1899 /* 1920x1200@60Hz */ 1900 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 1901 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 1902 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1903 /* 1920x1440@60Hz */ 1904 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 1905 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 1906 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1907 /* 2560x1600@60Hz */ 1908 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 1909 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 1910 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1911 /* Terminate */ 1912 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 1913 }; 1914 1915 /** 1916 * vmw_guess_mode_timing - Provide fake timings for a 1917 * 60Hz vrefresh mode. 1918 * 1919 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay 1920 * members filled in. 1921 */ 1922 static void vmw_guess_mode_timing(struct drm_display_mode *mode) 1923 { 1924 mode->hsync_start = mode->hdisplay + 50; 1925 mode->hsync_end = mode->hsync_start + 50; 1926 mode->htotal = mode->hsync_end + 50; 1927 1928 mode->vsync_start = mode->vdisplay + 50; 1929 mode->vsync_end = mode->vsync_start + 50; 1930 mode->vtotal = mode->vsync_end + 50; 1931 1932 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6; 1933 mode->vrefresh = drm_mode_vrefresh(mode); 1934 } 1935 1936 1937 int vmw_du_connector_fill_modes(struct drm_connector *connector, 1938 uint32_t max_width, uint32_t max_height) 1939 { 1940 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1941 struct drm_device *dev = connector->dev; 1942 struct vmw_private *dev_priv = vmw_priv(dev); 1943 struct drm_display_mode *mode = NULL; 1944 struct drm_display_mode *bmode; 1945 struct drm_display_mode prefmode = { DRM_MODE("preferred", 1946 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 1947 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1948 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 1949 }; 1950 int i; 1951 u32 assumed_bpp = 2; 1952 1953 /* 1954 * If using screen objects, then assume 32-bpp because that's what the 1955 * SVGA device is assuming 1956 */ 1957 if (dev_priv->sou_priv) 1958 assumed_bpp = 4; 1959 1960 /* Add preferred mode */ 1961 { 1962 mode = drm_mode_duplicate(dev, &prefmode); 1963 if (!mode) 1964 return 0; 1965 mode->hdisplay = du->pref_width; 1966 mode->vdisplay = du->pref_height; 1967 vmw_guess_mode_timing(mode); 1968 1969 if (vmw_kms_validate_mode_vram(dev_priv, 1970 mode->hdisplay * assumed_bpp, 1971 mode->vdisplay)) { 1972 drm_mode_probed_add(connector, mode); 1973 } else { 1974 drm_mode_destroy(dev, mode); 1975 mode = NULL; 1976 } 1977 1978 if (du->pref_mode) { 1979 list_del_init(&du->pref_mode->head); 1980 drm_mode_destroy(dev, du->pref_mode); 1981 } 1982 1983 /* mode might be null here, this is intended */ 1984 du->pref_mode = mode; 1985 } 1986 1987 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) { 1988 bmode = &vmw_kms_connector_builtin[i]; 1989 if (bmode->hdisplay > max_width || 1990 bmode->vdisplay > max_height) 1991 continue; 1992 1993 if (!vmw_kms_validate_mode_vram(dev_priv, 1994 bmode->hdisplay * assumed_bpp, 1995 bmode->vdisplay)) 1996 continue; 1997 1998 mode = drm_mode_duplicate(dev, bmode); 1999 if (!mode) 2000 return 0; 2001 mode->vrefresh = drm_mode_vrefresh(mode); 2002 2003 drm_mode_probed_add(connector, mode); 2004 } 2005 2006 /* Move the prefered mode first, help apps pick the right mode. */ 2007 if (du->pref_mode) 2008 list_move(&du->pref_mode->head, &connector->probed_modes); 2009 2010 drm_mode_connector_list_update(connector, true); 2011 2012 return 1; 2013 } 2014 2015 int vmw_du_connector_set_property(struct drm_connector *connector, 2016 struct drm_property *property, 2017 uint64_t val) 2018 { 2019 return 0; 2020 } 2021 2022 2023 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 2024 struct drm_file *file_priv) 2025 { 2026 struct vmw_private *dev_priv = vmw_priv(dev); 2027 struct drm_vmw_update_layout_arg *arg = 2028 (struct drm_vmw_update_layout_arg *)data; 2029 void __user *user_rects; 2030 struct drm_vmw_rect *rects; 2031 unsigned rects_size; 2032 int ret; 2033 int i; 2034 struct drm_mode_config *mode_config = &dev->mode_config; 2035 2036 if (!arg->num_outputs) { 2037 struct drm_vmw_rect def_rect = {0, 0, 800, 600}; 2038 vmw_du_update_layout(dev_priv, 1, &def_rect); 2039 return 0; 2040 } 2041 2042 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); 2043 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect), 2044 GFP_KERNEL); 2045 if (unlikely(!rects)) 2046 return -ENOMEM; 2047 2048 user_rects = (void __user *)(unsigned long)arg->rects; 2049 ret = copy_from_user(rects, user_rects, rects_size); 2050 if (unlikely(ret != 0)) { 2051 DRM_ERROR("Failed to get rects.\n"); 2052 ret = -EFAULT; 2053 goto out_free; 2054 } 2055 2056 for (i = 0; i < arg->num_outputs; ++i) { 2057 if (rects[i].x < 0 || 2058 rects[i].y < 0 || 2059 rects[i].x + rects[i].w > mode_config->max_width || 2060 rects[i].y + rects[i].h > mode_config->max_height) { 2061 DRM_ERROR("Invalid GUI layout.\n"); 2062 ret = -EINVAL; 2063 goto out_free; 2064 } 2065 } 2066 2067 vmw_du_update_layout(dev_priv, arg->num_outputs, rects); 2068 2069 out_free: 2070 kfree(rects); 2071 return ret; 2072 } 2073