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_sysfs_connector_remove(&du->connector); 79 drm_crtc_cleanup(&du->crtc); 80 drm_encoder_cleanup(&du->encoder); 81 drm_connector_cleanup(&du->connector); 82 } 83 84 /* 85 * Display Unit Cursor functions 86 */ 87 88 int vmw_cursor_update_image(struct vmw_private *dev_priv, 89 u32 *image, u32 width, u32 height, 90 u32 hotspotX, u32 hotspotY) 91 { 92 struct { 93 u32 cmd; 94 SVGAFifoCmdDefineAlphaCursor cursor; 95 } *cmd; 96 u32 image_size = width * height * 4; 97 u32 cmd_size = sizeof(*cmd) + image_size; 98 99 if (!image) 100 return -EINVAL; 101 102 cmd = vmw_fifo_reserve(dev_priv, cmd_size); 103 if (unlikely(cmd == NULL)) { 104 DRM_ERROR("Fifo reserve failed.\n"); 105 return -ENOMEM; 106 } 107 108 memset(cmd, 0, sizeof(*cmd)); 109 110 memcpy(&cmd[1], image, image_size); 111 112 cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR); 113 cmd->cursor.id = cpu_to_le32(0); 114 cmd->cursor.width = cpu_to_le32(width); 115 cmd->cursor.height = cpu_to_le32(height); 116 cmd->cursor.hotspotX = cpu_to_le32(hotspotX); 117 cmd->cursor.hotspotY = cpu_to_le32(hotspotY); 118 119 vmw_fifo_commit(dev_priv, cmd_size); 120 121 return 0; 122 } 123 124 int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv, 125 struct vmw_dma_buffer *dmabuf, 126 u32 width, u32 height, 127 u32 hotspotX, u32 hotspotY) 128 { 129 struct ttm_bo_kmap_obj map; 130 unsigned long kmap_offset; 131 unsigned long kmap_num; 132 void *virtual; 133 bool dummy; 134 int ret; 135 136 kmap_offset = 0; 137 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT; 138 139 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0); 140 if (unlikely(ret != 0)) { 141 DRM_ERROR("reserve failed\n"); 142 return -EINVAL; 143 } 144 145 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map); 146 if (unlikely(ret != 0)) 147 goto err_unreserve; 148 149 virtual = ttm_kmap_obj_virtual(&map, &dummy); 150 ret = vmw_cursor_update_image(dev_priv, virtual, width, height, 151 hotspotX, hotspotY); 152 153 ttm_bo_kunmap(&map); 154 err_unreserve: 155 ttm_bo_unreserve(&dmabuf->base); 156 157 return ret; 158 } 159 160 161 void vmw_cursor_update_position(struct vmw_private *dev_priv, 162 bool show, int x, int y) 163 { 164 __le32 __iomem *fifo_mem = dev_priv->mmio_virt; 165 uint32_t count; 166 167 iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON); 168 iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X); 169 iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y); 170 count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT); 171 iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT); 172 } 173 174 int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, 175 uint32_t handle, uint32_t width, uint32_t height) 176 { 177 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 178 struct vmw_display_unit *du = vmw_crtc_to_du(crtc); 179 struct vmw_surface *surface = NULL; 180 struct vmw_dma_buffer *dmabuf = NULL; 181 int ret; 182 183 /* 184 * FIXME: Unclear whether there's any global state touched by the 185 * cursor_set function, especially vmw_cursor_update_position looks 186 * suspicious. For now take the easy route and reacquire all locks. We 187 * can do this since the caller in the drm core doesn't check anything 188 * which is protected by any looks. 189 */ 190 mutex_unlock(&crtc->mutex); 191 drm_modeset_lock_all(dev_priv->dev); 192 193 /* A lot of the code assumes this */ 194 if (handle && (width != 64 || height != 64)) { 195 ret = -EINVAL; 196 goto out; 197 } 198 199 if (handle) { 200 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 201 202 ret = vmw_user_lookup_handle(dev_priv, tfile, 203 handle, &surface, &dmabuf); 204 if (ret) { 205 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret); 206 ret = -EINVAL; 207 goto out; 208 } 209 } 210 211 /* need to do this before taking down old image */ 212 if (surface && !surface->snooper.image) { 213 DRM_ERROR("surface not suitable for cursor\n"); 214 vmw_surface_unreference(&surface); 215 ret = -EINVAL; 216 goto out; 217 } 218 219 /* takedown old cursor */ 220 if (du->cursor_surface) { 221 du->cursor_surface->snooper.crtc = NULL; 222 vmw_surface_unreference(&du->cursor_surface); 223 } 224 if (du->cursor_dmabuf) 225 vmw_dmabuf_unreference(&du->cursor_dmabuf); 226 227 /* setup new image */ 228 if (surface) { 229 /* vmw_user_surface_lookup takes one reference */ 230 du->cursor_surface = surface; 231 232 du->cursor_surface->snooper.crtc = crtc; 233 du->cursor_age = du->cursor_surface->snooper.age; 234 vmw_cursor_update_image(dev_priv, surface->snooper.image, 235 64, 64, du->hotspot_x, du->hotspot_y); 236 } else if (dmabuf) { 237 /* vmw_user_surface_lookup takes one reference */ 238 du->cursor_dmabuf = dmabuf; 239 240 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height, 241 du->hotspot_x, du->hotspot_y); 242 } else { 243 vmw_cursor_update_position(dev_priv, false, 0, 0); 244 ret = 0; 245 goto out; 246 } 247 248 vmw_cursor_update_position(dev_priv, true, 249 du->cursor_x + du->hotspot_x, 250 du->cursor_y + du->hotspot_y); 251 252 ret = 0; 253 out: 254 drm_modeset_unlock_all(dev_priv->dev); 255 mutex_lock(&crtc->mutex); 256 257 return ret; 258 } 259 260 int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) 261 { 262 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 263 struct vmw_display_unit *du = vmw_crtc_to_du(crtc); 264 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false; 265 266 du->cursor_x = x + crtc->x; 267 du->cursor_y = y + crtc->y; 268 269 /* 270 * FIXME: Unclear whether there's any global state touched by the 271 * cursor_set function, especially vmw_cursor_update_position looks 272 * suspicious. For now take the easy route and reacquire all locks. We 273 * can do this since the caller in the drm core doesn't check anything 274 * which is protected by any looks. 275 */ 276 mutex_unlock(&crtc->mutex); 277 drm_modeset_lock_all(dev_priv->dev); 278 279 vmw_cursor_update_position(dev_priv, shown, 280 du->cursor_x + du->hotspot_x, 281 du->cursor_y + du->hotspot_y); 282 283 drm_modeset_unlock_all(dev_priv->dev); 284 mutex_lock(&crtc->mutex); 285 286 return 0; 287 } 288 289 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 290 struct ttm_object_file *tfile, 291 struct ttm_buffer_object *bo, 292 SVGA3dCmdHeader *header) 293 { 294 struct ttm_bo_kmap_obj map; 295 unsigned long kmap_offset; 296 unsigned long kmap_num; 297 SVGA3dCopyBox *box; 298 unsigned box_count; 299 void *virtual; 300 bool dummy; 301 struct vmw_dma_cmd { 302 SVGA3dCmdHeader header; 303 SVGA3dCmdSurfaceDMA dma; 304 } *cmd; 305 int i, ret; 306 307 cmd = container_of(header, struct vmw_dma_cmd, header); 308 309 /* No snooper installed */ 310 if (!srf->snooper.image) 311 return; 312 313 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) { 314 DRM_ERROR("face and mipmap for cursors should never != 0\n"); 315 return; 316 } 317 318 if (cmd->header.size < 64) { 319 DRM_ERROR("at least one full copy box must be given\n"); 320 return; 321 } 322 323 box = (SVGA3dCopyBox *)&cmd[1]; 324 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) / 325 sizeof(SVGA3dCopyBox); 326 327 if (cmd->dma.guest.ptr.offset % PAGE_SIZE || 328 box->x != 0 || box->y != 0 || box->z != 0 || 329 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 || 330 box->d != 1 || box_count != 1) { 331 /* TODO handle none page aligned offsets */ 332 /* TODO handle more dst & src != 0 */ 333 /* TODO handle more then one copy */ 334 DRM_ERROR("Cant snoop dma request for cursor!\n"); 335 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n", 336 box->srcx, box->srcy, box->srcz, 337 box->x, box->y, box->z, 338 box->w, box->h, box->d, box_count, 339 cmd->dma.guest.ptr.offset); 340 return; 341 } 342 343 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT; 344 kmap_num = (64*64*4) >> PAGE_SHIFT; 345 346 ret = ttm_bo_reserve(bo, true, false, false, 0); 347 if (unlikely(ret != 0)) { 348 DRM_ERROR("reserve failed\n"); 349 return; 350 } 351 352 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map); 353 if (unlikely(ret != 0)) 354 goto err_unreserve; 355 356 virtual = ttm_kmap_obj_virtual(&map, &dummy); 357 358 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) { 359 memcpy(srf->snooper.image, virtual, 64*64*4); 360 } else { 361 /* Image is unsigned pointer. */ 362 for (i = 0; i < box->h; i++) 363 memcpy(srf->snooper.image + i * 64, 364 virtual + i * cmd->dma.guest.pitch, 365 box->w * 4); 366 } 367 368 srf->snooper.age++; 369 370 /* we can't call this function from this function since execbuf has 371 * reserved fifo space. 372 * 373 * if (srf->snooper.crtc) 374 * vmw_ldu_crtc_cursor_update_image(dev_priv, 375 * srf->snooper.image, 64, 64, 376 * du->hotspot_x, du->hotspot_y); 377 */ 378 379 ttm_bo_kunmap(&map); 380 err_unreserve: 381 ttm_bo_unreserve(bo); 382 } 383 384 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) 385 { 386 struct drm_device *dev = dev_priv->dev; 387 struct vmw_display_unit *du; 388 struct drm_crtc *crtc; 389 390 mutex_lock(&dev->mode_config.mutex); 391 392 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 393 du = vmw_crtc_to_du(crtc); 394 if (!du->cursor_surface || 395 du->cursor_age == du->cursor_surface->snooper.age) 396 continue; 397 398 du->cursor_age = du->cursor_surface->snooper.age; 399 vmw_cursor_update_image(dev_priv, 400 du->cursor_surface->snooper.image, 401 64, 64, du->hotspot_x, du->hotspot_y); 402 } 403 404 mutex_unlock(&dev->mode_config.mutex); 405 } 406 407 /* 408 * Generic framebuffer code 409 */ 410 411 /* 412 * Surface framebuffer code 413 */ 414 415 #define vmw_framebuffer_to_vfbs(x) \ 416 container_of(x, struct vmw_framebuffer_surface, base.base) 417 418 struct vmw_framebuffer_surface { 419 struct vmw_framebuffer base; 420 struct vmw_surface *surface; 421 struct vmw_dma_buffer *buffer; 422 struct list_head head; 423 struct drm_master *master; 424 }; 425 426 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->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_master *vmaster = vmw_master(file_priv->master); 600 struct vmw_framebuffer_surface *vfbs = 601 vmw_framebuffer_to_vfbs(framebuffer); 602 struct drm_clip_rect norect; 603 int ret, inc = 1; 604 605 if (unlikely(vfbs->master != file_priv->master)) 606 return -EINVAL; 607 608 /* Require ScreenObject support for 3D */ 609 if (!dev_priv->sou_priv) 610 return -EINVAL; 611 612 drm_modeset_lock_all(dev_priv->dev); 613 614 ret = ttm_read_lock(&vmaster->lock, true); 615 if (unlikely(ret != 0)) { 616 drm_modeset_unlock_all(dev_priv->dev); 617 return ret; 618 } 619 620 if (!num_clips) { 621 num_clips = 1; 622 clips = &norect; 623 norect.x1 = norect.y1 = 0; 624 norect.x2 = framebuffer->width; 625 norect.y2 = framebuffer->height; 626 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 627 num_clips /= 2; 628 inc = 2; /* skip source rects */ 629 } 630 631 ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base, 632 flags, color, 633 clips, num_clips, inc, NULL); 634 635 ttm_read_unlock(&vmaster->lock); 636 637 drm_modeset_unlock_all(dev_priv->dev); 638 639 return 0; 640 } 641 642 static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = { 643 .destroy = vmw_framebuffer_surface_destroy, 644 .dirty = vmw_framebuffer_surface_dirty, 645 }; 646 647 static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv, 648 struct drm_file *file_priv, 649 struct vmw_surface *surface, 650 struct vmw_framebuffer **out, 651 const struct drm_mode_fb_cmd 652 *mode_cmd) 653 654 { 655 struct drm_device *dev = dev_priv->dev; 656 struct vmw_framebuffer_surface *vfbs; 657 enum SVGA3dSurfaceFormat format; 658 struct vmw_master *vmaster = vmw_master(file_priv->master); 659 int ret; 660 661 /* 3D is only supported on HWv8 hosts which supports screen objects */ 662 if (!dev_priv->sou_priv) 663 return -ENOSYS; 664 665 /* 666 * Sanity checks. 667 */ 668 669 /* Surface must be marked as a scanout. */ 670 if (unlikely(!surface->scanout)) 671 return -EINVAL; 672 673 if (unlikely(surface->mip_levels[0] != 1 || 674 surface->num_sizes != 1 || 675 surface->base_size.width < mode_cmd->width || 676 surface->base_size.height < mode_cmd->height || 677 surface->base_size.depth != 1)) { 678 DRM_ERROR("Incompatible surface dimensions " 679 "for requested mode.\n"); 680 return -EINVAL; 681 } 682 683 switch (mode_cmd->depth) { 684 case 32: 685 format = SVGA3D_A8R8G8B8; 686 break; 687 case 24: 688 format = SVGA3D_X8R8G8B8; 689 break; 690 case 16: 691 format = SVGA3D_R5G6B5; 692 break; 693 case 15: 694 format = SVGA3D_A1R5G5B5; 695 break; 696 case 8: 697 format = SVGA3D_LUMINANCE8; 698 break; 699 default: 700 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 701 return -EINVAL; 702 } 703 704 if (unlikely(format != surface->format)) { 705 DRM_ERROR("Invalid surface format for requested mode.\n"); 706 return -EINVAL; 707 } 708 709 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL); 710 if (!vfbs) { 711 ret = -ENOMEM; 712 goto out_err1; 713 } 714 715 if (!vmw_surface_reference(surface)) { 716 DRM_ERROR("failed to reference surface %p\n", surface); 717 ret = -EINVAL; 718 goto out_err2; 719 } 720 721 /* XXX get the first 3 from the surface info */ 722 vfbs->base.base.bits_per_pixel = mode_cmd->bpp; 723 vfbs->base.base.pitches[0] = mode_cmd->pitch; 724 vfbs->base.base.depth = mode_cmd->depth; 725 vfbs->base.base.width = mode_cmd->width; 726 vfbs->base.base.height = mode_cmd->height; 727 vfbs->surface = surface; 728 vfbs->base.user_handle = mode_cmd->handle; 729 vfbs->master = drm_master_get(file_priv->master); 730 731 mutex_lock(&vmaster->fb_surf_mutex); 732 list_add_tail(&vfbs->head, &vmaster->fb_surf); 733 mutex_unlock(&vmaster->fb_surf_mutex); 734 735 *out = &vfbs->base; 736 737 ret = drm_framebuffer_init(dev, &vfbs->base.base, 738 &vmw_framebuffer_surface_funcs); 739 if (ret) 740 goto out_err3; 741 742 return 0; 743 744 out_err3: 745 vmw_surface_unreference(&surface); 746 out_err2: 747 kfree(vfbs); 748 out_err1: 749 return ret; 750 } 751 752 /* 753 * Dmabuf framebuffer code 754 */ 755 756 #define vmw_framebuffer_to_vfbd(x) \ 757 container_of(x, struct vmw_framebuffer_dmabuf, base.base) 758 759 struct vmw_framebuffer_dmabuf { 760 struct vmw_framebuffer base; 761 struct vmw_dma_buffer *buffer; 762 }; 763 764 static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer) 765 { 766 struct vmw_framebuffer_dmabuf *vfbd = 767 vmw_framebuffer_to_vfbd(framebuffer); 768 769 drm_framebuffer_cleanup(framebuffer); 770 vmw_dmabuf_unreference(&vfbd->buffer); 771 ttm_base_object_unref(&vfbd->base.user_obj); 772 773 kfree(vfbd); 774 } 775 776 static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv, 777 struct vmw_framebuffer *framebuffer, 778 unsigned flags, unsigned color, 779 struct drm_clip_rect *clips, 780 unsigned num_clips, int increment) 781 { 782 size_t fifo_size; 783 int i; 784 785 struct { 786 uint32_t header; 787 SVGAFifoCmdUpdate body; 788 } *cmd; 789 790 fifo_size = sizeof(*cmd) * num_clips; 791 cmd = vmw_fifo_reserve(dev_priv, fifo_size); 792 if (unlikely(cmd == NULL)) { 793 DRM_ERROR("Fifo reserve failed.\n"); 794 return -ENOMEM; 795 } 796 797 memset(cmd, 0, fifo_size); 798 for (i = 0; i < num_clips; i++, clips += increment) { 799 cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE); 800 cmd[i].body.x = cpu_to_le32(clips->x1); 801 cmd[i].body.y = cpu_to_le32(clips->y1); 802 cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1); 803 cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1); 804 } 805 806 vmw_fifo_commit(dev_priv, fifo_size); 807 return 0; 808 } 809 810 static int do_dmabuf_define_gmrfb(struct drm_file *file_priv, 811 struct vmw_private *dev_priv, 812 struct vmw_framebuffer *framebuffer) 813 { 814 int depth = framebuffer->base.depth; 815 size_t fifo_size; 816 int ret; 817 818 struct { 819 uint32_t header; 820 SVGAFifoCmdDefineGMRFB body; 821 } *cmd; 822 823 /* Emulate RGBA support, contrary to svga_reg.h this is not 824 * supported by hosts. This is only a problem if we are reading 825 * this value later and expecting what we uploaded back. 826 */ 827 if (depth == 32) 828 depth = 24; 829 830 fifo_size = sizeof(*cmd); 831 cmd = kmalloc(fifo_size, GFP_KERNEL); 832 if (unlikely(cmd == NULL)) { 833 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 834 return -ENOMEM; 835 } 836 837 memset(cmd, 0, fifo_size); 838 cmd->header = SVGA_CMD_DEFINE_GMRFB; 839 cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel; 840 cmd->body.format.colorDepth = depth; 841 cmd->body.format.reserved = 0; 842 cmd->body.bytesPerLine = framebuffer->base.pitches[0]; 843 cmd->body.ptr.gmrId = framebuffer->user_handle; 844 cmd->body.ptr.offset = 0; 845 846 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 847 fifo_size, 0, NULL, NULL); 848 849 kfree(cmd); 850 851 return ret; 852 } 853 854 static int do_dmabuf_dirty_sou(struct drm_file *file_priv, 855 struct vmw_private *dev_priv, 856 struct vmw_framebuffer *framebuffer, 857 unsigned flags, unsigned color, 858 struct drm_clip_rect *clips, 859 unsigned num_clips, int increment, 860 struct vmw_fence_obj **out_fence) 861 { 862 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 863 struct drm_clip_rect *clips_ptr; 864 int i, k, num_units, ret; 865 struct drm_crtc *crtc; 866 size_t fifo_size; 867 868 struct { 869 uint32_t header; 870 SVGAFifoCmdBlitGMRFBToScreen body; 871 } *blits; 872 873 ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer); 874 if (unlikely(ret != 0)) 875 return ret; /* define_gmrfb prints warnings */ 876 877 fifo_size = sizeof(*blits) * num_clips; 878 blits = kmalloc(fifo_size, GFP_KERNEL); 879 if (unlikely(blits == NULL)) { 880 DRM_ERROR("Failed to allocate temporary cmd buffer.\n"); 881 return -ENOMEM; 882 } 883 884 num_units = 0; 885 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 886 if (crtc->fb != &framebuffer->base) 887 continue; 888 units[num_units++] = vmw_crtc_to_du(crtc); 889 } 890 891 for (k = 0; k < num_units; k++) { 892 struct vmw_display_unit *unit = units[k]; 893 int hit_num = 0; 894 895 clips_ptr = clips; 896 for (i = 0; i < num_clips; i++, clips_ptr += increment) { 897 int clip_x1 = clips_ptr->x1 - unit->crtc.x; 898 int clip_y1 = clips_ptr->y1 - unit->crtc.y; 899 int clip_x2 = clips_ptr->x2 - unit->crtc.x; 900 int clip_y2 = clips_ptr->y2 - unit->crtc.y; 901 int move_x, move_y; 902 903 /* skip any crtcs that misses the clip region */ 904 if (clip_x1 >= unit->crtc.mode.hdisplay || 905 clip_y1 >= unit->crtc.mode.vdisplay || 906 clip_x2 <= 0 || clip_y2 <= 0) 907 continue; 908 909 /* clip size to crtc size */ 910 clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay); 911 clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay); 912 913 /* translate both src and dest to bring clip into screen */ 914 move_x = min_t(int, clip_x1, 0); 915 move_y = min_t(int, clip_y1, 0); 916 917 /* actual translate done here */ 918 blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; 919 blits[hit_num].body.destScreenId = unit->unit; 920 blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x; 921 blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y; 922 blits[hit_num].body.destRect.left = clip_x1 - move_x; 923 blits[hit_num].body.destRect.top = clip_y1 - move_y; 924 blits[hit_num].body.destRect.right = clip_x2; 925 blits[hit_num].body.destRect.bottom = clip_y2; 926 hit_num++; 927 } 928 929 /* no clips hit the crtc */ 930 if (hit_num == 0) 931 continue; 932 933 /* only return the last fence */ 934 if (out_fence && *out_fence) 935 vmw_fence_obj_unreference(out_fence); 936 937 fifo_size = sizeof(*blits) * hit_num; 938 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits, 939 fifo_size, 0, NULL, out_fence); 940 941 if (unlikely(ret != 0)) 942 break; 943 } 944 945 kfree(blits); 946 947 return ret; 948 } 949 950 static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer, 951 struct drm_file *file_priv, 952 unsigned flags, unsigned color, 953 struct drm_clip_rect *clips, 954 unsigned num_clips) 955 { 956 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev); 957 struct vmw_master *vmaster = vmw_master(file_priv->master); 958 struct vmw_framebuffer_dmabuf *vfbd = 959 vmw_framebuffer_to_vfbd(framebuffer); 960 struct drm_clip_rect norect; 961 int ret, increment = 1; 962 963 drm_modeset_lock_all(dev_priv->dev); 964 965 ret = ttm_read_lock(&vmaster->lock, true); 966 if (unlikely(ret != 0)) { 967 drm_modeset_unlock_all(dev_priv->dev); 968 return ret; 969 } 970 971 if (!num_clips) { 972 num_clips = 1; 973 clips = &norect; 974 norect.x1 = norect.y1 = 0; 975 norect.x2 = framebuffer->width; 976 norect.y2 = framebuffer->height; 977 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { 978 num_clips /= 2; 979 increment = 2; 980 } 981 982 if (dev_priv->ldu_priv) { 983 ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base, 984 flags, color, 985 clips, num_clips, increment); 986 } else { 987 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base, 988 flags, color, 989 clips, num_clips, increment, NULL); 990 } 991 992 ttm_read_unlock(&vmaster->lock); 993 994 drm_modeset_unlock_all(dev_priv->dev); 995 996 return ret; 997 } 998 999 static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = { 1000 .destroy = vmw_framebuffer_dmabuf_destroy, 1001 .dirty = vmw_framebuffer_dmabuf_dirty, 1002 }; 1003 1004 /** 1005 * Pin the dmabuffer to the start of vram. 1006 */ 1007 static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb) 1008 { 1009 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1010 struct vmw_framebuffer_dmabuf *vfbd = 1011 vmw_framebuffer_to_vfbd(&vfb->base); 1012 int ret; 1013 1014 /* This code should not be used with screen objects */ 1015 BUG_ON(dev_priv->sou_priv); 1016 1017 vmw_overlay_pause_all(dev_priv); 1018 1019 ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false); 1020 1021 vmw_overlay_resume_all(dev_priv); 1022 1023 WARN_ON(ret != 0); 1024 1025 return 0; 1026 } 1027 1028 static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb) 1029 { 1030 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev); 1031 struct vmw_framebuffer_dmabuf *vfbd = 1032 vmw_framebuffer_to_vfbd(&vfb->base); 1033 1034 if (!vfbd->buffer) { 1035 WARN_ON(!vfbd->buffer); 1036 return 0; 1037 } 1038 1039 return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false); 1040 } 1041 1042 static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv, 1043 struct vmw_dma_buffer *dmabuf, 1044 struct vmw_framebuffer **out, 1045 const struct drm_mode_fb_cmd 1046 *mode_cmd) 1047 1048 { 1049 struct drm_device *dev = dev_priv->dev; 1050 struct vmw_framebuffer_dmabuf *vfbd; 1051 unsigned int requested_size; 1052 int ret; 1053 1054 requested_size = mode_cmd->height * mode_cmd->pitch; 1055 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) { 1056 DRM_ERROR("Screen buffer object size is too small " 1057 "for requested mode.\n"); 1058 return -EINVAL; 1059 } 1060 1061 /* Limited framebuffer color depth support for screen objects */ 1062 if (dev_priv->sou_priv) { 1063 switch (mode_cmd->depth) { 1064 case 32: 1065 case 24: 1066 /* Only support 32 bpp for 32 and 24 depth fbs */ 1067 if (mode_cmd->bpp == 32) 1068 break; 1069 1070 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1071 mode_cmd->depth, mode_cmd->bpp); 1072 return -EINVAL; 1073 case 16: 1074 case 15: 1075 /* Only support 16 bpp for 16 and 15 depth fbs */ 1076 if (mode_cmd->bpp == 16) 1077 break; 1078 1079 DRM_ERROR("Invalid color depth/bbp: %d %d\n", 1080 mode_cmd->depth, mode_cmd->bpp); 1081 return -EINVAL; 1082 default: 1083 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth); 1084 return -EINVAL; 1085 } 1086 } 1087 1088 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL); 1089 if (!vfbd) { 1090 ret = -ENOMEM; 1091 goto out_err1; 1092 } 1093 1094 if (!vmw_dmabuf_reference(dmabuf)) { 1095 DRM_ERROR("failed to reference dmabuf %p\n", dmabuf); 1096 ret = -EINVAL; 1097 goto out_err2; 1098 } 1099 1100 vfbd->base.base.bits_per_pixel = mode_cmd->bpp; 1101 vfbd->base.base.pitches[0] = mode_cmd->pitch; 1102 vfbd->base.base.depth = mode_cmd->depth; 1103 vfbd->base.base.width = mode_cmd->width; 1104 vfbd->base.base.height = mode_cmd->height; 1105 if (!dev_priv->sou_priv) { 1106 vfbd->base.pin = vmw_framebuffer_dmabuf_pin; 1107 vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin; 1108 } 1109 vfbd->base.dmabuf = true; 1110 vfbd->buffer = dmabuf; 1111 vfbd->base.user_handle = mode_cmd->handle; 1112 *out = &vfbd->base; 1113 1114 ret = drm_framebuffer_init(dev, &vfbd->base.base, 1115 &vmw_framebuffer_dmabuf_funcs); 1116 if (ret) 1117 goto out_err3; 1118 1119 return 0; 1120 1121 out_err3: 1122 vmw_dmabuf_unreference(&dmabuf); 1123 out_err2: 1124 kfree(vfbd); 1125 out_err1: 1126 return ret; 1127 } 1128 1129 /* 1130 * Generic Kernel modesetting functions 1131 */ 1132 1133 static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, 1134 struct drm_file *file_priv, 1135 struct drm_mode_fb_cmd2 *mode_cmd2) 1136 { 1137 struct vmw_private *dev_priv = vmw_priv(dev); 1138 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; 1139 struct vmw_framebuffer *vfb = NULL; 1140 struct vmw_surface *surface = NULL; 1141 struct vmw_dma_buffer *bo = NULL; 1142 struct ttm_base_object *user_obj; 1143 struct drm_mode_fb_cmd mode_cmd; 1144 int ret; 1145 1146 mode_cmd.width = mode_cmd2->width; 1147 mode_cmd.height = mode_cmd2->height; 1148 mode_cmd.pitch = mode_cmd2->pitches[0]; 1149 mode_cmd.handle = mode_cmd2->handles[0]; 1150 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth, 1151 &mode_cmd.bpp); 1152 1153 /** 1154 * This code should be conditioned on Screen Objects not being used. 1155 * If screen objects are used, we can allocate a GMR to hold the 1156 * requested framebuffer. 1157 */ 1158 1159 if (!vmw_kms_validate_mode_vram(dev_priv, 1160 mode_cmd.pitch, 1161 mode_cmd.height)) { 1162 DRM_ERROR("VRAM size is too small for requested mode.\n"); 1163 return ERR_PTR(-ENOMEM); 1164 } 1165 1166 /* 1167 * Take a reference on the user object of the resource 1168 * backing the kms fb. This ensures that user-space handle 1169 * lookups on that resource will always work as long as 1170 * it's registered with a kms framebuffer. This is important, 1171 * since vmw_execbuf_process identifies resources in the 1172 * command stream using user-space handles. 1173 */ 1174 1175 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle); 1176 if (unlikely(user_obj == NULL)) { 1177 DRM_ERROR("Could not locate requested kms frame buffer.\n"); 1178 return ERR_PTR(-ENOENT); 1179 } 1180 1181 /** 1182 * End conditioned code. 1183 */ 1184 1185 /* returns either a dmabuf or surface */ 1186 ret = vmw_user_lookup_handle(dev_priv, tfile, 1187 mode_cmd.handle, 1188 &surface, &bo); 1189 if (ret) 1190 goto err_out; 1191 1192 /* Create the new framebuffer depending one what we got back */ 1193 if (bo) 1194 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb, 1195 &mode_cmd); 1196 else if (surface) 1197 ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv, 1198 surface, &vfb, &mode_cmd); 1199 else 1200 BUG(); 1201 1202 err_out: 1203 /* vmw_user_lookup_handle takes one ref so does new_fb */ 1204 if (bo) 1205 vmw_dmabuf_unreference(&bo); 1206 if (surface) 1207 vmw_surface_unreference(&surface); 1208 1209 if (ret) { 1210 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret); 1211 ttm_base_object_unref(&user_obj); 1212 return ERR_PTR(ret); 1213 } else 1214 vfb->user_obj = user_obj; 1215 1216 return &vfb->base; 1217 } 1218 1219 static const struct drm_mode_config_funcs vmw_kms_funcs = { 1220 .fb_create = vmw_kms_fb_create, 1221 }; 1222 1223 int vmw_kms_present(struct vmw_private *dev_priv, 1224 struct drm_file *file_priv, 1225 struct vmw_framebuffer *vfb, 1226 struct vmw_surface *surface, 1227 uint32_t sid, 1228 int32_t destX, int32_t destY, 1229 struct drm_vmw_rect *clips, 1230 uint32_t num_clips) 1231 { 1232 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1233 struct drm_clip_rect *tmp; 1234 struct drm_crtc *crtc; 1235 size_t fifo_size; 1236 int i, k, num_units; 1237 int ret = 0; /* silence warning */ 1238 int left, right, top, bottom; 1239 1240 struct { 1241 SVGA3dCmdHeader header; 1242 SVGA3dCmdBlitSurfaceToScreen body; 1243 } *cmd; 1244 SVGASignedRect *blits; 1245 1246 num_units = 0; 1247 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1248 if (crtc->fb != &vfb->base) 1249 continue; 1250 units[num_units++] = vmw_crtc_to_du(crtc); 1251 } 1252 1253 BUG_ON(surface == NULL); 1254 BUG_ON(!clips || !num_clips); 1255 1256 tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL); 1257 if (unlikely(tmp == NULL)) { 1258 DRM_ERROR("Temporary cliprect memory alloc failed.\n"); 1259 return -ENOMEM; 1260 } 1261 1262 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips; 1263 cmd = kmalloc(fifo_size, GFP_KERNEL); 1264 if (unlikely(cmd == NULL)) { 1265 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1266 ret = -ENOMEM; 1267 goto out_free_tmp; 1268 } 1269 1270 left = clips->x; 1271 right = clips->x + clips->w; 1272 top = clips->y; 1273 bottom = clips->y + clips->h; 1274 1275 for (i = 1; i < num_clips; i++) { 1276 left = min_t(int, left, (int)clips[i].x); 1277 right = max_t(int, right, (int)clips[i].x + clips[i].w); 1278 top = min_t(int, top, (int)clips[i].y); 1279 bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h); 1280 } 1281 1282 /* only need to do this once */ 1283 memset(cmd, 0, fifo_size); 1284 cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN); 1285 1286 blits = (SVGASignedRect *)&cmd[1]; 1287 1288 cmd->body.srcRect.left = left; 1289 cmd->body.srcRect.right = right; 1290 cmd->body.srcRect.top = top; 1291 cmd->body.srcRect.bottom = bottom; 1292 1293 for (i = 0; i < num_clips; i++) { 1294 tmp[i].x1 = clips[i].x - left; 1295 tmp[i].x2 = clips[i].x + clips[i].w - left; 1296 tmp[i].y1 = clips[i].y - top; 1297 tmp[i].y2 = clips[i].y + clips[i].h - top; 1298 } 1299 1300 for (k = 0; k < num_units; k++) { 1301 struct vmw_display_unit *unit = units[k]; 1302 struct vmw_clip_rect clip; 1303 int num; 1304 1305 clip.x1 = left + destX - unit->crtc.x; 1306 clip.y1 = top + destY - unit->crtc.y; 1307 clip.x2 = right + destX - unit->crtc.x; 1308 clip.y2 = bottom + destY - unit->crtc.y; 1309 1310 /* skip any crtcs that misses the clip region */ 1311 if (clip.x1 >= unit->crtc.mode.hdisplay || 1312 clip.y1 >= unit->crtc.mode.vdisplay || 1313 clip.x2 <= 0 || clip.y2 <= 0) 1314 continue; 1315 1316 /* 1317 * In order for the clip rects to be correctly scaled 1318 * the src and dest rects needs to be the same size. 1319 */ 1320 cmd->body.destRect.left = clip.x1; 1321 cmd->body.destRect.right = clip.x2; 1322 cmd->body.destRect.top = clip.y1; 1323 cmd->body.destRect.bottom = clip.y2; 1324 1325 /* create a clip rect of the crtc in dest coords */ 1326 clip.x2 = unit->crtc.mode.hdisplay - clip.x1; 1327 clip.y2 = unit->crtc.mode.vdisplay - clip.y1; 1328 clip.x1 = 0 - clip.x1; 1329 clip.y1 = 0 - clip.y1; 1330 1331 /* need to reset sid as it is changed by execbuf */ 1332 cmd->body.srcImage.sid = sid; 1333 cmd->body.destScreenId = unit->unit; 1334 1335 /* clip and write blits to cmd stream */ 1336 vmw_clip_cliprects(tmp, num_clips, clip, blits, &num); 1337 1338 /* if no cliprects hit skip this */ 1339 if (num == 0) 1340 continue; 1341 1342 /* recalculate package length */ 1343 fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num; 1344 cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header)); 1345 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, 1346 fifo_size, 0, NULL, NULL); 1347 1348 if (unlikely(ret != 0)) 1349 break; 1350 } 1351 1352 kfree(cmd); 1353 out_free_tmp: 1354 kfree(tmp); 1355 1356 return ret; 1357 } 1358 1359 int vmw_kms_readback(struct vmw_private *dev_priv, 1360 struct drm_file *file_priv, 1361 struct vmw_framebuffer *vfb, 1362 struct drm_vmw_fence_rep __user *user_fence_rep, 1363 struct drm_vmw_rect *clips, 1364 uint32_t num_clips) 1365 { 1366 struct vmw_framebuffer_dmabuf *vfbd = 1367 vmw_framebuffer_to_vfbd(&vfb->base); 1368 struct vmw_dma_buffer *dmabuf = vfbd->buffer; 1369 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS]; 1370 struct drm_crtc *crtc; 1371 size_t fifo_size; 1372 int i, k, ret, num_units, blits_pos; 1373 1374 struct { 1375 uint32_t header; 1376 SVGAFifoCmdDefineGMRFB body; 1377 } *cmd; 1378 struct { 1379 uint32_t header; 1380 SVGAFifoCmdBlitScreenToGMRFB body; 1381 } *blits; 1382 1383 num_units = 0; 1384 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) { 1385 if (crtc->fb != &vfb->base) 1386 continue; 1387 units[num_units++] = vmw_crtc_to_du(crtc); 1388 } 1389 1390 BUG_ON(dmabuf == NULL); 1391 BUG_ON(!clips || !num_clips); 1392 1393 /* take a safe guess at fifo size */ 1394 fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units; 1395 cmd = kmalloc(fifo_size, GFP_KERNEL); 1396 if (unlikely(cmd == NULL)) { 1397 DRM_ERROR("Failed to allocate temporary fifo memory.\n"); 1398 return -ENOMEM; 1399 } 1400 1401 memset(cmd, 0, fifo_size); 1402 cmd->header = SVGA_CMD_DEFINE_GMRFB; 1403 cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel; 1404 cmd->body.format.colorDepth = vfb->base.depth; 1405 cmd->body.format.reserved = 0; 1406 cmd->body.bytesPerLine = vfb->base.pitches[0]; 1407 cmd->body.ptr.gmrId = vfb->user_handle; 1408 cmd->body.ptr.offset = 0; 1409 1410 blits = (void *)&cmd[1]; 1411 blits_pos = 0; 1412 for (i = 0; i < num_units; i++) { 1413 struct drm_vmw_rect *c = clips; 1414 for (k = 0; k < num_clips; k++, c++) { 1415 /* transform clip coords to crtc origin based coords */ 1416 int clip_x1 = c->x - units[i]->crtc.x; 1417 int clip_x2 = c->x - units[i]->crtc.x + c->w; 1418 int clip_y1 = c->y - units[i]->crtc.y; 1419 int clip_y2 = c->y - units[i]->crtc.y + c->h; 1420 int dest_x = c->x; 1421 int dest_y = c->y; 1422 1423 /* compensate for clipping, we negate 1424 * a negative number and add that. 1425 */ 1426 if (clip_x1 < 0) 1427 dest_x += -clip_x1; 1428 if (clip_y1 < 0) 1429 dest_y += -clip_y1; 1430 1431 /* clip */ 1432 clip_x1 = max(clip_x1, 0); 1433 clip_y1 = max(clip_y1, 0); 1434 clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay); 1435 clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay); 1436 1437 /* and cull any rects that misses the crtc */ 1438 if (clip_x1 >= units[i]->crtc.mode.hdisplay || 1439 clip_y1 >= units[i]->crtc.mode.vdisplay || 1440 clip_x2 <= 0 || clip_y2 <= 0) 1441 continue; 1442 1443 blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; 1444 blits[blits_pos].body.srcScreenId = units[i]->unit; 1445 blits[blits_pos].body.destOrigin.x = dest_x; 1446 blits[blits_pos].body.destOrigin.y = dest_y; 1447 1448 blits[blits_pos].body.srcRect.left = clip_x1; 1449 blits[blits_pos].body.srcRect.top = clip_y1; 1450 blits[blits_pos].body.srcRect.right = clip_x2; 1451 blits[blits_pos].body.srcRect.bottom = clip_y2; 1452 blits_pos++; 1453 } 1454 } 1455 /* reset size here and use calculated exact size from loops */ 1456 fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos; 1457 1458 ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size, 1459 0, user_fence_rep, NULL); 1460 1461 kfree(cmd); 1462 1463 return ret; 1464 } 1465 1466 int vmw_kms_init(struct vmw_private *dev_priv) 1467 { 1468 struct drm_device *dev = dev_priv->dev; 1469 int ret; 1470 1471 drm_mode_config_init(dev); 1472 dev->mode_config.funcs = &vmw_kms_funcs; 1473 dev->mode_config.min_width = 1; 1474 dev->mode_config.min_height = 1; 1475 /* assumed largest fb size */ 1476 dev->mode_config.max_width = 8192; 1477 dev->mode_config.max_height = 8192; 1478 1479 ret = vmw_kms_init_screen_object_display(dev_priv); 1480 if (ret) /* Fallback */ 1481 (void)vmw_kms_init_legacy_display_system(dev_priv); 1482 1483 return 0; 1484 } 1485 1486 int vmw_kms_close(struct vmw_private *dev_priv) 1487 { 1488 /* 1489 * Docs says we should take the lock before calling this function 1490 * but since it destroys encoders and our destructor calls 1491 * drm_encoder_cleanup which takes the lock we deadlock. 1492 */ 1493 drm_mode_config_cleanup(dev_priv->dev); 1494 if (dev_priv->sou_priv) 1495 vmw_kms_close_screen_object_display(dev_priv); 1496 else 1497 vmw_kms_close_legacy_display_system(dev_priv); 1498 return 0; 1499 } 1500 1501 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1502 struct drm_file *file_priv) 1503 { 1504 struct drm_vmw_cursor_bypass_arg *arg = data; 1505 struct vmw_display_unit *du; 1506 struct drm_mode_object *obj; 1507 struct drm_crtc *crtc; 1508 int ret = 0; 1509 1510 1511 mutex_lock(&dev->mode_config.mutex); 1512 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) { 1513 1514 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 1515 du = vmw_crtc_to_du(crtc); 1516 du->hotspot_x = arg->xhot; 1517 du->hotspot_y = arg->yhot; 1518 } 1519 1520 mutex_unlock(&dev->mode_config.mutex); 1521 return 0; 1522 } 1523 1524 obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC); 1525 if (!obj) { 1526 ret = -ENOENT; 1527 goto out; 1528 } 1529 1530 crtc = obj_to_crtc(obj); 1531 du = vmw_crtc_to_du(crtc); 1532 1533 du->hotspot_x = arg->xhot; 1534 du->hotspot_y = arg->yhot; 1535 1536 out: 1537 mutex_unlock(&dev->mode_config.mutex); 1538 1539 return ret; 1540 } 1541 1542 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1543 unsigned width, unsigned height, unsigned pitch, 1544 unsigned bpp, unsigned depth) 1545 { 1546 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1547 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch); 1548 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1549 iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1550 vmw_write(vmw_priv, SVGA_REG_WIDTH, width); 1551 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height); 1552 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp); 1553 1554 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) { 1555 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n", 1556 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH)); 1557 return -EINVAL; 1558 } 1559 1560 return 0; 1561 } 1562 1563 int vmw_kms_save_vga(struct vmw_private *vmw_priv) 1564 { 1565 struct vmw_vga_topology_state *save; 1566 uint32_t i; 1567 1568 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH); 1569 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT); 1570 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL); 1571 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1572 vmw_priv->vga_pitchlock = 1573 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK); 1574 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1575 vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt + 1576 SVGA_FIFO_PITCHLOCK); 1577 1578 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1579 return 0; 1580 1581 vmw_priv->num_displays = vmw_read(vmw_priv, 1582 SVGA_REG_NUM_GUEST_DISPLAYS); 1583 1584 if (vmw_priv->num_displays == 0) 1585 vmw_priv->num_displays = 1; 1586 1587 for (i = 0; i < vmw_priv->num_displays; ++i) { 1588 save = &vmw_priv->vga_save[i]; 1589 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1590 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY); 1591 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X); 1592 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y); 1593 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH); 1594 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT); 1595 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1596 if (i == 0 && vmw_priv->num_displays == 1 && 1597 save->width == 0 && save->height == 0) { 1598 1599 /* 1600 * It should be fairly safe to assume that these 1601 * values are uninitialized. 1602 */ 1603 1604 save->width = vmw_priv->vga_width - save->pos_x; 1605 save->height = vmw_priv->vga_height - save->pos_y; 1606 } 1607 } 1608 1609 return 0; 1610 } 1611 1612 int vmw_kms_restore_vga(struct vmw_private *vmw_priv) 1613 { 1614 struct vmw_vga_topology_state *save; 1615 uint32_t i; 1616 1617 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width); 1618 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height); 1619 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp); 1620 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK) 1621 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, 1622 vmw_priv->vga_pitchlock); 1623 else if (vmw_fifo_have_pitchlock(vmw_priv)) 1624 iowrite32(vmw_priv->vga_pitchlock, 1625 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK); 1626 1627 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) 1628 return 0; 1629 1630 for (i = 0; i < vmw_priv->num_displays; ++i) { 1631 save = &vmw_priv->vga_save[i]; 1632 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i); 1633 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary); 1634 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x); 1635 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y); 1636 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width); 1637 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height); 1638 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); 1639 } 1640 1641 return 0; 1642 } 1643 1644 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1645 uint32_t pitch, 1646 uint32_t height) 1647 { 1648 return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem; 1649 } 1650 1651 1652 /** 1653 * Function called by DRM code called with vbl_lock held. 1654 */ 1655 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc) 1656 { 1657 return 0; 1658 } 1659 1660 /** 1661 * Function called by DRM code called with vbl_lock held. 1662 */ 1663 int vmw_enable_vblank(struct drm_device *dev, int crtc) 1664 { 1665 return -ENOSYS; 1666 } 1667 1668 /** 1669 * Function called by DRM code called with vbl_lock held. 1670 */ 1671 void vmw_disable_vblank(struct drm_device *dev, int crtc) 1672 { 1673 } 1674 1675 1676 /* 1677 * Small shared kms functions. 1678 */ 1679 1680 static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num, 1681 struct drm_vmw_rect *rects) 1682 { 1683 struct drm_device *dev = dev_priv->dev; 1684 struct vmw_display_unit *du; 1685 struct drm_connector *con; 1686 1687 mutex_lock(&dev->mode_config.mutex); 1688 1689 #if 0 1690 { 1691 unsigned int i; 1692 1693 DRM_INFO("%s: new layout ", __func__); 1694 for (i = 0; i < num; i++) 1695 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y, 1696 rects[i].w, rects[i].h); 1697 DRM_INFO("\n"); 1698 } 1699 #endif 1700 1701 list_for_each_entry(con, &dev->mode_config.connector_list, head) { 1702 du = vmw_connector_to_du(con); 1703 if (num > du->unit) { 1704 du->pref_width = rects[du->unit].w; 1705 du->pref_height = rects[du->unit].h; 1706 du->pref_active = true; 1707 du->gui_x = rects[du->unit].x; 1708 du->gui_y = rects[du->unit].y; 1709 } else { 1710 du->pref_width = 800; 1711 du->pref_height = 600; 1712 du->pref_active = false; 1713 } 1714 con->status = vmw_du_connector_detect(con, true); 1715 } 1716 1717 mutex_unlock(&dev->mode_config.mutex); 1718 1719 return 0; 1720 } 1721 1722 int vmw_du_page_flip(struct drm_crtc *crtc, 1723 struct drm_framebuffer *fb, 1724 struct drm_pending_vblank_event *event, 1725 uint32_t page_flip_flags) 1726 { 1727 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1728 struct drm_framebuffer *old_fb = crtc->fb; 1729 struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb); 1730 struct drm_file *file_priv ; 1731 struct vmw_fence_obj *fence = NULL; 1732 struct drm_clip_rect clips; 1733 int ret; 1734 1735 if (event == NULL) 1736 return -EINVAL; 1737 1738 /* require ScreenObject support for page flipping */ 1739 if (!dev_priv->sou_priv) 1740 return -ENOSYS; 1741 1742 file_priv = event->base.file_priv; 1743 if (!vmw_kms_screen_object_flippable(dev_priv, crtc)) 1744 return -EINVAL; 1745 1746 crtc->fb = fb; 1747 1748 /* do a full screen dirty update */ 1749 clips.x1 = clips.y1 = 0; 1750 clips.x2 = fb->width; 1751 clips.y2 = fb->height; 1752 1753 if (vfb->dmabuf) 1754 ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb, 1755 0, 0, &clips, 1, 1, &fence); 1756 else 1757 ret = do_surface_dirty_sou(dev_priv, file_priv, vfb, 1758 0, 0, &clips, 1, 1, &fence); 1759 1760 1761 if (ret != 0) 1762 goto out_no_fence; 1763 if (!fence) { 1764 ret = -EINVAL; 1765 goto out_no_fence; 1766 } 1767 1768 ret = vmw_event_fence_action_queue(file_priv, fence, 1769 &event->base, 1770 &event->event.tv_sec, 1771 &event->event.tv_usec, 1772 true); 1773 1774 /* 1775 * No need to hold on to this now. The only cleanup 1776 * we need to do if we fail is unref the fence. 1777 */ 1778 vmw_fence_obj_unreference(&fence); 1779 1780 if (vmw_crtc_to_du(crtc)->is_implicit) 1781 vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc); 1782 1783 return ret; 1784 1785 out_no_fence: 1786 crtc->fb = old_fb; 1787 return ret; 1788 } 1789 1790 1791 void vmw_du_crtc_save(struct drm_crtc *crtc) 1792 { 1793 } 1794 1795 void vmw_du_crtc_restore(struct drm_crtc *crtc) 1796 { 1797 } 1798 1799 void vmw_du_crtc_gamma_set(struct drm_crtc *crtc, 1800 u16 *r, u16 *g, u16 *b, 1801 uint32_t start, uint32_t size) 1802 { 1803 struct vmw_private *dev_priv = vmw_priv(crtc->dev); 1804 int i; 1805 1806 for (i = 0; i < size; i++) { 1807 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i, 1808 r[i], g[i], b[i]); 1809 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8); 1810 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8); 1811 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8); 1812 } 1813 } 1814 1815 void vmw_du_connector_dpms(struct drm_connector *connector, int mode) 1816 { 1817 } 1818 1819 void vmw_du_connector_save(struct drm_connector *connector) 1820 { 1821 } 1822 1823 void vmw_du_connector_restore(struct drm_connector *connector) 1824 { 1825 } 1826 1827 enum drm_connector_status 1828 vmw_du_connector_detect(struct drm_connector *connector, bool force) 1829 { 1830 uint32_t num_displays; 1831 struct drm_device *dev = connector->dev; 1832 struct vmw_private *dev_priv = vmw_priv(dev); 1833 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1834 1835 mutex_lock(&dev_priv->hw_mutex); 1836 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS); 1837 mutex_unlock(&dev_priv->hw_mutex); 1838 1839 return ((vmw_connector_to_du(connector)->unit < num_displays && 1840 du->pref_active) ? 1841 connector_status_connected : connector_status_disconnected); 1842 } 1843 1844 static struct drm_display_mode vmw_kms_connector_builtin[] = { 1845 /* 640x480@60Hz */ 1846 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 1847 752, 800, 0, 480, 489, 492, 525, 0, 1848 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1849 /* 800x600@60Hz */ 1850 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840, 1851 968, 1056, 0, 600, 601, 605, 628, 0, 1852 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1853 /* 1024x768@60Hz */ 1854 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, 1855 1184, 1344, 0, 768, 771, 777, 806, 0, 1856 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1857 /* 1152x864@75Hz */ 1858 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, 1859 1344, 1600, 0, 864, 865, 868, 900, 0, 1860 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1861 /* 1280x768@60Hz */ 1862 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, 1863 1472, 1664, 0, 768, 771, 778, 798, 0, 1864 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1865 /* 1280x800@60Hz */ 1866 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, 1867 1480, 1680, 0, 800, 803, 809, 831, 0, 1868 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, 1869 /* 1280x960@60Hz */ 1870 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, 1871 1488, 1800, 0, 960, 961, 964, 1000, 0, 1872 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1873 /* 1280x1024@60Hz */ 1874 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, 1875 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, 1876 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1877 /* 1360x768@60Hz */ 1878 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, 1879 1536, 1792, 0, 768, 771, 777, 795, 0, 1880 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1881 /* 1440x1050@60Hz */ 1882 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, 1883 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, 1884 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1885 /* 1440x900@60Hz */ 1886 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, 1887 1672, 1904, 0, 900, 903, 909, 934, 0, 1888 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1889 /* 1600x1200@60Hz */ 1890 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, 1891 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, 1892 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1893 /* 1680x1050@60Hz */ 1894 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, 1895 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, 1896 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1897 /* 1792x1344@60Hz */ 1898 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, 1899 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, 1900 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1901 /* 1853x1392@60Hz */ 1902 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, 1903 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, 1904 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1905 /* 1920x1200@60Hz */ 1906 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, 1907 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, 1908 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1909 /* 1920x1440@60Hz */ 1910 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, 1911 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, 1912 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1913 /* 2560x1600@60Hz */ 1914 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, 1915 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, 1916 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, 1917 /* Terminate */ 1918 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, 1919 }; 1920 1921 /** 1922 * vmw_guess_mode_timing - Provide fake timings for a 1923 * 60Hz vrefresh mode. 1924 * 1925 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay 1926 * members filled in. 1927 */ 1928 static void vmw_guess_mode_timing(struct drm_display_mode *mode) 1929 { 1930 mode->hsync_start = mode->hdisplay + 50; 1931 mode->hsync_end = mode->hsync_start + 50; 1932 mode->htotal = mode->hsync_end + 50; 1933 1934 mode->vsync_start = mode->vdisplay + 50; 1935 mode->vsync_end = mode->vsync_start + 50; 1936 mode->vtotal = mode->vsync_end + 50; 1937 1938 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6; 1939 mode->vrefresh = drm_mode_vrefresh(mode); 1940 } 1941 1942 1943 int vmw_du_connector_fill_modes(struct drm_connector *connector, 1944 uint32_t max_width, uint32_t max_height) 1945 { 1946 struct vmw_display_unit *du = vmw_connector_to_du(connector); 1947 struct drm_device *dev = connector->dev; 1948 struct vmw_private *dev_priv = vmw_priv(dev); 1949 struct drm_display_mode *mode = NULL; 1950 struct drm_display_mode *bmode; 1951 struct drm_display_mode prefmode = { DRM_MODE("preferred", 1952 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 1953 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1954 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) 1955 }; 1956 int i; 1957 1958 /* Add preferred mode */ 1959 { 1960 mode = drm_mode_duplicate(dev, &prefmode); 1961 if (!mode) 1962 return 0; 1963 mode->hdisplay = du->pref_width; 1964 mode->vdisplay = du->pref_height; 1965 vmw_guess_mode_timing(mode); 1966 1967 if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, 1968 mode->vdisplay)) { 1969 drm_mode_probed_add(connector, mode); 1970 } else { 1971 drm_mode_destroy(dev, mode); 1972 mode = NULL; 1973 } 1974 1975 if (du->pref_mode) { 1976 list_del_init(&du->pref_mode->head); 1977 drm_mode_destroy(dev, du->pref_mode); 1978 } 1979 1980 /* mode might be null here, this is intended */ 1981 du->pref_mode = mode; 1982 } 1983 1984 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) { 1985 bmode = &vmw_kms_connector_builtin[i]; 1986 if (bmode->hdisplay > max_width || 1987 bmode->vdisplay > max_height) 1988 continue; 1989 1990 if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, 1991 bmode->vdisplay)) 1992 continue; 1993 1994 mode = drm_mode_duplicate(dev, bmode); 1995 if (!mode) 1996 return 0; 1997 mode->vrefresh = drm_mode_vrefresh(mode); 1998 1999 drm_mode_probed_add(connector, mode); 2000 } 2001 2002 /* Move the prefered mode first, help apps pick the right mode. */ 2003 if (du->pref_mode) 2004 list_move(&du->pref_mode->head, &connector->probed_modes); 2005 2006 drm_mode_connector_list_update(connector); 2007 2008 return 1; 2009 } 2010 2011 int vmw_du_connector_set_property(struct drm_connector *connector, 2012 struct drm_property *property, 2013 uint64_t val) 2014 { 2015 return 0; 2016 } 2017 2018 2019 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 2020 struct drm_file *file_priv) 2021 { 2022 struct vmw_private *dev_priv = vmw_priv(dev); 2023 struct drm_vmw_update_layout_arg *arg = 2024 (struct drm_vmw_update_layout_arg *)data; 2025 struct vmw_master *vmaster = vmw_master(file_priv->master); 2026 void __user *user_rects; 2027 struct drm_vmw_rect *rects; 2028 unsigned rects_size; 2029 int ret; 2030 int i; 2031 struct drm_mode_config *mode_config = &dev->mode_config; 2032 2033 ret = ttm_read_lock(&vmaster->lock, true); 2034 if (unlikely(ret != 0)) 2035 return ret; 2036 2037 if (!arg->num_outputs) { 2038 struct drm_vmw_rect def_rect = {0, 0, 800, 600}; 2039 vmw_du_update_layout(dev_priv, 1, &def_rect); 2040 goto out_unlock; 2041 } 2042 2043 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect); 2044 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect), 2045 GFP_KERNEL); 2046 if (unlikely(!rects)) { 2047 ret = -ENOMEM; 2048 goto out_unlock; 2049 } 2050 2051 user_rects = (void __user *)(unsigned long)arg->rects; 2052 ret = copy_from_user(rects, user_rects, rects_size); 2053 if (unlikely(ret != 0)) { 2054 DRM_ERROR("Failed to get rects.\n"); 2055 ret = -EFAULT; 2056 goto out_free; 2057 } 2058 2059 for (i = 0; i < arg->num_outputs; ++i) { 2060 if (rects[i].x < 0 || 2061 rects[i].y < 0 || 2062 rects[i].x + rects[i].w > mode_config->max_width || 2063 rects[i].y + rects[i].h > mode_config->max_height) { 2064 DRM_ERROR("Invalid GUI layout.\n"); 2065 ret = -EINVAL; 2066 goto out_free; 2067 } 2068 } 2069 2070 vmw_du_update_layout(dev_priv, arg->num_outputs, rects); 2071 2072 out_free: 2073 kfree(rects); 2074 out_unlock: 2075 ttm_read_unlock(&vmaster->lock); 2076 return ret; 2077 } 2078