1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <drm/drmP.h> 28 #include <drm/drm_crtc_helper.h> 29 30 #include "nouveau_fbcon.h" 31 #include "nouveau_hw.h" 32 #include "nouveau_crtc.h" 33 #include "nouveau_dma.h" 34 #include "nouveau_gem.h" 35 #include "nouveau_connector.h" 36 #include "nv50_display.h" 37 38 #include "nouveau_fence.h" 39 40 #include <subdev/bios/gpio.h> 41 #include <subdev/gpio.h> 42 #include <engine/disp.h> 43 44 #include <core/class.h> 45 46 static void 47 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 48 { 49 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 50 51 if (fb->nvbo) 52 drm_gem_object_unreference_unlocked(fb->nvbo->gem); 53 54 drm_framebuffer_cleanup(drm_fb); 55 kfree(fb); 56 } 57 58 static int 59 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 60 struct drm_file *file_priv, 61 unsigned int *handle) 62 { 63 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 64 65 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle); 66 } 67 68 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 69 .destroy = nouveau_user_framebuffer_destroy, 70 .create_handle = nouveau_user_framebuffer_create_handle, 71 }; 72 73 int 74 nouveau_framebuffer_init(struct drm_device *dev, 75 struct nouveau_framebuffer *nv_fb, 76 struct drm_mode_fb_cmd2 *mode_cmd, 77 struct nouveau_bo *nvbo) 78 { 79 struct nouveau_drm *drm = nouveau_drm(dev); 80 struct drm_framebuffer *fb = &nv_fb->base; 81 int ret; 82 83 drm_helper_mode_fill_fb_struct(fb, mode_cmd); 84 nv_fb->nvbo = nvbo; 85 86 if (nv_device(drm->device)->card_type >= NV_50) { 87 u32 tile_flags = nouveau_bo_tile_layout(nvbo); 88 if (tile_flags == 0x7a00 || 89 tile_flags == 0xfe00) 90 nv_fb->r_dma = NvEvoFB32; 91 else 92 if (tile_flags == 0x7000) 93 nv_fb->r_dma = NvEvoFB16; 94 else 95 nv_fb->r_dma = NvEvoVRAM_LP; 96 97 switch (fb->depth) { 98 case 8: nv_fb->r_format = 0x1e00; break; 99 case 15: nv_fb->r_format = 0xe900; break; 100 case 16: nv_fb->r_format = 0xe800; break; 101 case 24: 102 case 32: nv_fb->r_format = 0xcf00; break; 103 case 30: nv_fb->r_format = 0xd100; break; 104 default: 105 NV_ERROR(drm, "unknown depth %d\n", fb->depth); 106 return -EINVAL; 107 } 108 109 if (nv_device(drm->device)->chipset == 0x50) 110 nv_fb->r_format |= (tile_flags << 8); 111 112 if (!tile_flags) { 113 if (nv_device(drm->device)->card_type < NV_D0) 114 nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; 115 else 116 nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; 117 } else { 118 u32 mode = nvbo->tile_mode; 119 if (nv_device(drm->device)->card_type >= NV_C0) 120 mode >>= 4; 121 nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; 122 } 123 } 124 125 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 126 if (ret) { 127 return ret; 128 } 129 130 return 0; 131 } 132 133 static struct drm_framebuffer * 134 nouveau_user_framebuffer_create(struct drm_device *dev, 135 struct drm_file *file_priv, 136 struct drm_mode_fb_cmd2 *mode_cmd) 137 { 138 struct nouveau_framebuffer *nouveau_fb; 139 struct drm_gem_object *gem; 140 int ret; 141 142 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 143 if (!gem) 144 return ERR_PTR(-ENOENT); 145 146 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); 147 if (!nouveau_fb) 148 return ERR_PTR(-ENOMEM); 149 150 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); 151 if (ret) { 152 drm_gem_object_unreference(gem); 153 return ERR_PTR(ret); 154 } 155 156 return &nouveau_fb->base; 157 } 158 159 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 160 .fb_create = nouveau_user_framebuffer_create, 161 .output_poll_changed = nouveau_fbcon_output_poll_changed, 162 }; 163 164 165 struct nouveau_drm_prop_enum_list { 166 u8 gen_mask; 167 int type; 168 char *name; 169 }; 170 171 static struct nouveau_drm_prop_enum_list underscan[] = { 172 { 6, UNDERSCAN_AUTO, "auto" }, 173 { 6, UNDERSCAN_OFF, "off" }, 174 { 6, UNDERSCAN_ON, "on" }, 175 {} 176 }; 177 178 static struct nouveau_drm_prop_enum_list dither_mode[] = { 179 { 7, DITHERING_MODE_AUTO, "auto" }, 180 { 7, DITHERING_MODE_OFF, "off" }, 181 { 1, DITHERING_MODE_ON, "on" }, 182 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 183 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 184 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 185 {} 186 }; 187 188 static struct nouveau_drm_prop_enum_list dither_depth[] = { 189 { 6, DITHERING_DEPTH_AUTO, "auto" }, 190 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 191 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 192 {} 193 }; 194 195 #define PROP_ENUM(p,gen,n,list) do { \ 196 struct nouveau_drm_prop_enum_list *l = (list); \ 197 int c = 0; \ 198 while (l->gen_mask) { \ 199 if (l->gen_mask & (1 << (gen))) \ 200 c++; \ 201 l++; \ 202 } \ 203 if (c) { \ 204 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 205 l = (list); \ 206 c = 0; \ 207 while (p && l->gen_mask) { \ 208 if (l->gen_mask & (1 << (gen))) { \ 209 drm_property_add_enum(p, c, l->type, l->name); \ 210 c++; \ 211 } \ 212 l++; \ 213 } \ 214 } \ 215 } while(0) 216 217 int 218 nouveau_display_init(struct drm_device *dev) 219 { 220 struct nouveau_drm *drm = nouveau_drm(dev); 221 struct nouveau_display *disp = nouveau_display(dev); 222 struct nouveau_gpio *gpio = nouveau_gpio(drm->device); 223 struct drm_connector *connector; 224 int ret; 225 226 ret = disp->init(dev); 227 if (ret) 228 return ret; 229 230 /* enable polling for external displays */ 231 drm_kms_helper_poll_enable(dev); 232 233 /* enable hotplug interrupts */ 234 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 235 struct nouveau_connector *conn = nouveau_connector(connector); 236 if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) { 237 nouveau_event_get(gpio->events, conn->hpd.line, 238 &conn->hpd_func); 239 } 240 } 241 242 return ret; 243 } 244 245 void 246 nouveau_display_fini(struct drm_device *dev) 247 { 248 struct nouveau_drm *drm = nouveau_drm(dev); 249 struct nouveau_display *disp = nouveau_display(dev); 250 struct nouveau_gpio *gpio = nouveau_gpio(drm->device); 251 struct drm_connector *connector; 252 253 /* disable hotplug interrupts */ 254 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 255 struct nouveau_connector *conn = nouveau_connector(connector); 256 if (gpio && conn->hpd.func != DCB_GPIO_UNUSED) { 257 nouveau_event_put(gpio->events, conn->hpd.line, 258 &conn->hpd_func); 259 } 260 } 261 262 drm_kms_helper_poll_disable(dev); 263 disp->fini(dev); 264 } 265 266 int 267 nouveau_display_create(struct drm_device *dev) 268 { 269 struct nouveau_drm *drm = nouveau_drm(dev); 270 struct nouveau_display *disp; 271 u32 pclass = dev->pdev->class >> 8; 272 int ret, gen; 273 274 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 275 if (!disp) 276 return -ENOMEM; 277 278 drm_mode_config_init(dev); 279 drm_mode_create_scaling_mode_property(dev); 280 drm_mode_create_dvi_i_properties(dev); 281 282 if (nv_device(drm->device)->card_type < NV_50) 283 gen = 0; 284 else 285 if (nv_device(drm->device)->card_type < NV_D0) 286 gen = 1; 287 else 288 gen = 2; 289 290 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 291 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 292 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 293 294 disp->underscan_hborder_property = 295 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 296 297 disp->underscan_vborder_property = 298 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 299 300 if (gen >= 1) { 301 /* -90..+90 */ 302 disp->vibrant_hue_property = 303 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 304 305 /* -100..+100 */ 306 disp->color_vibrance_property = 307 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 308 } 309 310 dev->mode_config.funcs = &nouveau_mode_config_funcs; 311 dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1); 312 313 dev->mode_config.min_width = 0; 314 dev->mode_config.min_height = 0; 315 if (nv_device(drm->device)->card_type < NV_10) { 316 dev->mode_config.max_width = 2048; 317 dev->mode_config.max_height = 2048; 318 } else 319 if (nv_device(drm->device)->card_type < NV_50) { 320 dev->mode_config.max_width = 4096; 321 dev->mode_config.max_height = 4096; 322 } else { 323 dev->mode_config.max_width = 8192; 324 dev->mode_config.max_height = 8192; 325 } 326 327 dev->mode_config.preferred_depth = 24; 328 dev->mode_config.prefer_shadow = 1; 329 330 drm_kms_helper_poll_init(dev); 331 drm_kms_helper_poll_disable(dev); 332 333 if (nouveau_modeset == 1 || 334 (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) { 335 if (nv_device(drm->device)->card_type < NV_50) 336 ret = nv04_display_create(dev); 337 else 338 ret = nv50_display_create(dev); 339 if (ret) 340 goto disp_create_err; 341 342 if (dev->mode_config.num_crtc) { 343 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 344 if (ret) 345 goto vblank_err; 346 } 347 348 nouveau_backlight_init(dev); 349 } 350 351 return 0; 352 353 vblank_err: 354 disp->dtor(dev); 355 disp_create_err: 356 drm_kms_helper_poll_fini(dev); 357 drm_mode_config_cleanup(dev); 358 return ret; 359 } 360 361 void 362 nouveau_display_destroy(struct drm_device *dev) 363 { 364 struct nouveau_display *disp = nouveau_display(dev); 365 366 nouveau_backlight_exit(dev); 367 drm_vblank_cleanup(dev); 368 369 drm_kms_helper_poll_fini(dev); 370 drm_mode_config_cleanup(dev); 371 372 if (disp->dtor) 373 disp->dtor(dev); 374 375 nouveau_drm(dev)->display = NULL; 376 kfree(disp); 377 } 378 379 int 380 nouveau_display_suspend(struct drm_device *dev) 381 { 382 struct nouveau_drm *drm = nouveau_drm(dev); 383 struct drm_crtc *crtc; 384 385 nouveau_display_fini(dev); 386 387 NV_INFO(drm, "unpinning framebuffer(s)...\n"); 388 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 389 struct nouveau_framebuffer *nouveau_fb; 390 391 nouveau_fb = nouveau_framebuffer(crtc->fb); 392 if (!nouveau_fb || !nouveau_fb->nvbo) 393 continue; 394 395 nouveau_bo_unpin(nouveau_fb->nvbo); 396 } 397 398 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 399 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 400 401 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 402 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 403 } 404 405 return 0; 406 } 407 408 void 409 nouveau_display_resume(struct drm_device *dev) 410 { 411 struct nouveau_drm *drm = nouveau_drm(dev); 412 struct drm_crtc *crtc; 413 int ret; 414 415 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 416 struct nouveau_framebuffer *nouveau_fb; 417 418 nouveau_fb = nouveau_framebuffer(crtc->fb); 419 if (!nouveau_fb || !nouveau_fb->nvbo) 420 continue; 421 422 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); 423 } 424 425 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 426 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 427 428 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); 429 if (!ret) 430 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 431 if (ret) 432 NV_ERROR(drm, "Could not pin/map cursor.\n"); 433 } 434 435 nouveau_fbcon_set_suspend(dev, 0); 436 nouveau_fbcon_zfill_all(dev); 437 438 nouveau_display_init(dev); 439 440 /* Force CLUT to get re-loaded during modeset */ 441 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 442 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 443 444 nv_crtc->lut.depth = 0; 445 } 446 447 drm_helper_resume_force_mode(dev); 448 449 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 450 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 451 u32 offset = nv_crtc->cursor.nvbo->bo.offset; 452 453 nv_crtc->cursor.set_offset(nv_crtc, offset); 454 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 455 nv_crtc->cursor_saved_y); 456 } 457 } 458 459 static int 460 nouveau_page_flip_reserve(struct nouveau_bo *old_bo, 461 struct nouveau_bo *new_bo) 462 { 463 int ret; 464 465 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); 466 if (ret) 467 return ret; 468 469 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0); 470 if (ret) 471 goto fail; 472 473 if (likely(old_bo != new_bo)) { 474 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0); 475 if (ret) 476 goto fail_unreserve; 477 } 478 479 return 0; 480 481 fail_unreserve: 482 ttm_bo_unreserve(&new_bo->bo); 483 fail: 484 nouveau_bo_unpin(new_bo); 485 return ret; 486 } 487 488 static void 489 nouveau_page_flip_unreserve(struct nouveau_bo *old_bo, 490 struct nouveau_bo *new_bo, 491 struct nouveau_fence *fence) 492 { 493 nouveau_bo_fence(new_bo, fence); 494 ttm_bo_unreserve(&new_bo->bo); 495 496 if (likely(old_bo != new_bo)) { 497 nouveau_bo_fence(old_bo, fence); 498 ttm_bo_unreserve(&old_bo->bo); 499 } 500 501 nouveau_bo_unpin(old_bo); 502 } 503 504 static int 505 nouveau_page_flip_emit(struct nouveau_channel *chan, 506 struct nouveau_bo *old_bo, 507 struct nouveau_bo *new_bo, 508 struct nouveau_page_flip_state *s, 509 struct nouveau_fence **pfence) 510 { 511 struct nouveau_fence_chan *fctx = chan->fence; 512 struct nouveau_drm *drm = chan->drm; 513 struct drm_device *dev = drm->dev; 514 unsigned long flags; 515 int ret; 516 517 /* Queue it to the pending list */ 518 spin_lock_irqsave(&dev->event_lock, flags); 519 list_add_tail(&s->head, &fctx->flip); 520 spin_unlock_irqrestore(&dev->event_lock, flags); 521 522 /* Synchronize with the old framebuffer */ 523 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); 524 if (ret) 525 goto fail; 526 527 /* Emit the pageflip */ 528 ret = RING_SPACE(chan, 3); 529 if (ret) 530 goto fail; 531 532 if (nv_device(drm->device)->card_type < NV_C0) { 533 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 534 OUT_RING (chan, 0x00000000); 535 OUT_RING (chan, 0x00000000); 536 } else { 537 BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1); 538 OUT_RING (chan, 0); 539 BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000); 540 } 541 FIRE_RING (chan); 542 543 ret = nouveau_fence_new(chan, false, pfence); 544 if (ret) 545 goto fail; 546 547 return 0; 548 fail: 549 spin_lock_irqsave(&dev->event_lock, flags); 550 list_del(&s->head); 551 spin_unlock_irqrestore(&dev->event_lock, flags); 552 return ret; 553 } 554 555 int 556 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 557 struct drm_pending_vblank_event *event) 558 { 559 struct drm_device *dev = crtc->dev; 560 struct nouveau_drm *drm = nouveau_drm(dev); 561 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo; 562 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 563 struct nouveau_page_flip_state *s; 564 struct nouveau_channel *chan = NULL; 565 struct nouveau_fence *fence; 566 int ret; 567 568 if (!drm->channel) 569 return -ENODEV; 570 571 s = kzalloc(sizeof(*s), GFP_KERNEL); 572 if (!s) 573 return -ENOMEM; 574 575 /* Don't let the buffers go away while we flip */ 576 ret = nouveau_page_flip_reserve(old_bo, new_bo); 577 if (ret) 578 goto fail_free; 579 580 /* Initialize a page flip struct */ 581 *s = (struct nouveau_page_flip_state) 582 { { }, event, nouveau_crtc(crtc)->index, 583 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, 584 new_bo->bo.offset }; 585 586 /* Choose the channel the flip will be handled in */ 587 fence = new_bo->bo.sync_obj; 588 if (fence) 589 chan = fence->channel; 590 if (!chan) 591 chan = drm->channel; 592 mutex_lock(&chan->cli->mutex); 593 594 /* Emit a page flip */ 595 if (nv_device(drm->device)->card_type >= NV_50) { 596 ret = nv50_display_flip_next(crtc, fb, chan, 0); 597 if (ret) { 598 mutex_unlock(&chan->cli->mutex); 599 goto fail_unreserve; 600 } 601 } 602 603 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 604 mutex_unlock(&chan->cli->mutex); 605 if (ret) 606 goto fail_unreserve; 607 608 /* Update the crtc struct and cleanup */ 609 crtc->fb = fb; 610 611 nouveau_page_flip_unreserve(old_bo, new_bo, fence); 612 nouveau_fence_unref(&fence); 613 return 0; 614 615 fail_unreserve: 616 nouveau_page_flip_unreserve(old_bo, new_bo, NULL); 617 fail_free: 618 kfree(s); 619 return ret; 620 } 621 622 int 623 nouveau_finish_page_flip(struct nouveau_channel *chan, 624 struct nouveau_page_flip_state *ps) 625 { 626 struct nouveau_fence_chan *fctx = chan->fence; 627 struct nouveau_drm *drm = chan->drm; 628 struct drm_device *dev = drm->dev; 629 struct nouveau_page_flip_state *s; 630 unsigned long flags; 631 632 spin_lock_irqsave(&dev->event_lock, flags); 633 634 if (list_empty(&fctx->flip)) { 635 NV_ERROR(drm, "unexpected pageflip\n"); 636 spin_unlock_irqrestore(&dev->event_lock, flags); 637 return -EINVAL; 638 } 639 640 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 641 if (s->event) { 642 struct drm_pending_vblank_event *e = s->event; 643 struct timeval now; 644 645 do_gettimeofday(&now); 646 e->event.sequence = 0; 647 e->event.tv_sec = now.tv_sec; 648 e->event.tv_usec = now.tv_usec; 649 list_add_tail(&e->base.link, &e->base.file_priv->event_list); 650 wake_up_interruptible(&e->base.file_priv->event_wait); 651 } 652 653 list_del(&s->head); 654 if (ps) 655 *ps = *s; 656 kfree(s); 657 658 spin_unlock_irqrestore(&dev->event_lock, flags); 659 return 0; 660 } 661 662 int 663 nouveau_flip_complete(void *data) 664 { 665 struct nouveau_channel *chan = data; 666 struct nouveau_drm *drm = chan->drm; 667 struct nouveau_page_flip_state state; 668 669 if (!nouveau_finish_page_flip(chan, &state)) { 670 if (nv_device(drm->device)->card_type < NV_50) { 671 nv_set_crtc_base(drm->dev, state.crtc, state.offset + 672 state.y * state.pitch + 673 state.x * state.bpp / 8); 674 } 675 } 676 677 return 0; 678 } 679 680 int 681 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 682 struct drm_mode_create_dumb *args) 683 { 684 struct nouveau_bo *bo; 685 int ret; 686 687 args->pitch = roundup(args->width * (args->bpp / 8), 256); 688 args->size = args->pitch * args->height; 689 args->size = roundup(args->size, PAGE_SIZE); 690 691 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); 692 if (ret) 693 return ret; 694 695 ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle); 696 drm_gem_object_unreference_unlocked(bo->gem); 697 return ret; 698 } 699 700 int 701 nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev, 702 uint32_t handle) 703 { 704 return drm_gem_handle_delete(file_priv, handle); 705 } 706 707 int 708 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 709 struct drm_device *dev, 710 uint32_t handle, uint64_t *poffset) 711 { 712 struct drm_gem_object *gem; 713 714 gem = drm_gem_object_lookup(dev, file_priv, handle); 715 if (gem) { 716 struct nouveau_bo *bo = gem->driver_private; 717 *poffset = bo->bo.addr_space_offset; 718 drm_gem_object_unreference_unlocked(gem); 719 return 0; 720 } 721 722 return -ENOENT; 723 } 724