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 static void 45 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 46 { 47 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 48 49 if (fb->nvbo) 50 drm_gem_object_unreference_unlocked(fb->nvbo->gem); 51 52 drm_framebuffer_cleanup(drm_fb); 53 kfree(fb); 54 } 55 56 static int 57 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 58 struct drm_file *file_priv, 59 unsigned int *handle) 60 { 61 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 62 63 return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle); 64 } 65 66 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 67 .destroy = nouveau_user_framebuffer_destroy, 68 .create_handle = nouveau_user_framebuffer_create_handle, 69 }; 70 71 int 72 nouveau_framebuffer_init(struct drm_device *dev, 73 struct nouveau_framebuffer *nv_fb, 74 struct drm_mode_fb_cmd2 *mode_cmd, 75 struct nouveau_bo *nvbo) 76 { 77 struct nouveau_drm *drm = nouveau_drm(dev); 78 struct drm_framebuffer *fb = &nv_fb->base; 79 int ret; 80 81 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 82 if (ret) { 83 return ret; 84 } 85 86 drm_helper_mode_fill_fb_struct(fb, mode_cmd); 87 nv_fb->nvbo = nvbo; 88 89 if (nv_device(drm->device)->card_type >= NV_50) { 90 u32 tile_flags = nouveau_bo_tile_layout(nvbo); 91 if (tile_flags == 0x7a00 || 92 tile_flags == 0xfe00) 93 nv_fb->r_dma = NvEvoFB32; 94 else 95 if (tile_flags == 0x7000) 96 nv_fb->r_dma = NvEvoFB16; 97 else 98 nv_fb->r_dma = NvEvoVRAM_LP; 99 100 switch (fb->depth) { 101 case 8: nv_fb->r_format = 0x1e00; break; 102 case 15: nv_fb->r_format = 0xe900; break; 103 case 16: nv_fb->r_format = 0xe800; break; 104 case 24: 105 case 32: nv_fb->r_format = 0xcf00; break; 106 case 30: nv_fb->r_format = 0xd100; break; 107 default: 108 NV_ERROR(drm, "unknown depth %d\n", fb->depth); 109 return -EINVAL; 110 } 111 112 if (nv_device(drm->device)->chipset == 0x50) 113 nv_fb->r_format |= (tile_flags << 8); 114 115 if (!tile_flags) { 116 if (nv_device(drm->device)->card_type < NV_D0) 117 nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; 118 else 119 nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; 120 } else { 121 u32 mode = nvbo->tile_mode; 122 if (nv_device(drm->device)->card_type >= NV_C0) 123 mode >>= 4; 124 nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; 125 } 126 } 127 128 return 0; 129 } 130 131 static struct drm_framebuffer * 132 nouveau_user_framebuffer_create(struct drm_device *dev, 133 struct drm_file *file_priv, 134 struct drm_mode_fb_cmd2 *mode_cmd) 135 { 136 struct nouveau_framebuffer *nouveau_fb; 137 struct drm_gem_object *gem; 138 int ret; 139 140 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 141 if (!gem) 142 return ERR_PTR(-ENOENT); 143 144 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); 145 if (!nouveau_fb) 146 return ERR_PTR(-ENOMEM); 147 148 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); 149 if (ret) { 150 drm_gem_object_unreference(gem); 151 return ERR_PTR(ret); 152 } 153 154 return &nouveau_fb->base; 155 } 156 157 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 158 .fb_create = nouveau_user_framebuffer_create, 159 .output_poll_changed = nouveau_fbcon_output_poll_changed, 160 }; 161 162 163 struct nouveau_drm_prop_enum_list { 164 u8 gen_mask; 165 int type; 166 char *name; 167 }; 168 169 static struct nouveau_drm_prop_enum_list underscan[] = { 170 { 6, UNDERSCAN_AUTO, "auto" }, 171 { 6, UNDERSCAN_OFF, "off" }, 172 { 6, UNDERSCAN_ON, "on" }, 173 {} 174 }; 175 176 static struct nouveau_drm_prop_enum_list dither_mode[] = { 177 { 7, DITHERING_MODE_AUTO, "auto" }, 178 { 7, DITHERING_MODE_OFF, "off" }, 179 { 1, DITHERING_MODE_ON, "on" }, 180 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 181 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 182 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 183 {} 184 }; 185 186 static struct nouveau_drm_prop_enum_list dither_depth[] = { 187 { 6, DITHERING_DEPTH_AUTO, "auto" }, 188 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 189 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 190 {} 191 }; 192 193 #define PROP_ENUM(p,gen,n,list) do { \ 194 struct nouveau_drm_prop_enum_list *l = (list); \ 195 int c = 0; \ 196 while (l->gen_mask) { \ 197 if (l->gen_mask & (1 << (gen))) \ 198 c++; \ 199 l++; \ 200 } \ 201 if (c) { \ 202 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 203 l = (list); \ 204 c = 0; \ 205 while (p && l->gen_mask) { \ 206 if (l->gen_mask & (1 << (gen))) { \ 207 drm_property_add_enum(p, c, l->type, l->name); \ 208 c++; \ 209 } \ 210 l++; \ 211 } \ 212 } \ 213 } while(0) 214 215 int 216 nouveau_display_init(struct drm_device *dev) 217 { 218 struct nouveau_drm *drm = nouveau_drm(dev); 219 struct nouveau_display *disp = nouveau_display(dev); 220 struct nouveau_gpio *gpio = nouveau_gpio(drm->device); 221 struct drm_connector *connector; 222 int ret; 223 224 ret = disp->init(dev); 225 if (ret) 226 return ret; 227 228 /* enable polling for external displays */ 229 drm_kms_helper_poll_enable(dev); 230 231 /* enable hotplug interrupts */ 232 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 233 struct nouveau_connector *conn = nouveau_connector(connector); 234 if (gpio) 235 gpio->irq(gpio, 0, conn->hpd, 0xff, true); 236 } 237 238 return ret; 239 } 240 241 void 242 nouveau_display_fini(struct drm_device *dev) 243 { 244 struct nouveau_drm *drm = nouveau_drm(dev); 245 struct nouveau_display *disp = nouveau_display(dev); 246 struct nouveau_gpio *gpio = nouveau_gpio(drm->device); 247 struct drm_connector *connector; 248 249 /* disable hotplug interrupts */ 250 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 251 struct nouveau_connector *conn = nouveau_connector(connector); 252 if (gpio) 253 gpio->irq(gpio, 0, conn->hpd, 0xff, false); 254 } 255 256 drm_kms_helper_poll_disable(dev); 257 disp->fini(dev); 258 } 259 260 static void 261 nouveau_display_vblank_notify(void *data, int crtc) 262 { 263 drm_handle_vblank(data, crtc); 264 } 265 266 static void 267 nouveau_display_vblank_get(void *data, int crtc) 268 { 269 drm_vblank_get(data, crtc); 270 } 271 272 static void 273 nouveau_display_vblank_put(void *data, int crtc) 274 { 275 drm_vblank_put(data, crtc); 276 } 277 278 int 279 nouveau_display_create(struct drm_device *dev) 280 { 281 struct nouveau_drm *drm = nouveau_drm(dev); 282 struct nouveau_disp *pdisp = nouveau_disp(drm->device); 283 struct nouveau_display *disp; 284 u32 pclass = dev->pdev->class >> 8; 285 int ret, gen; 286 287 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 288 if (!disp) 289 return -ENOMEM; 290 291 pdisp->vblank.data = dev; 292 pdisp->vblank.notify = nouveau_display_vblank_notify; 293 pdisp->vblank.get = nouveau_display_vblank_get; 294 pdisp->vblank.put = nouveau_display_vblank_put; 295 296 drm_mode_config_init(dev); 297 drm_mode_create_scaling_mode_property(dev); 298 drm_mode_create_dvi_i_properties(dev); 299 300 if (nv_device(drm->device)->card_type < NV_50) 301 gen = 0; 302 else 303 if (nv_device(drm->device)->card_type < NV_D0) 304 gen = 1; 305 else 306 gen = 2; 307 308 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 309 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 310 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 311 312 disp->underscan_hborder_property = 313 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 314 315 disp->underscan_vborder_property = 316 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 317 318 if (gen >= 1) { 319 disp->vibrant_hue_property = 320 drm_property_create(dev, DRM_MODE_PROP_RANGE, 321 "vibrant hue", 2); 322 disp->vibrant_hue_property->values[0] = 0; 323 disp->vibrant_hue_property->values[1] = 180; /* -90..+90 */ 324 325 disp->color_vibrance_property = 326 drm_property_create(dev, DRM_MODE_PROP_RANGE, 327 "color vibrance", 2); 328 disp->color_vibrance_property->values[0] = 0; 329 disp->color_vibrance_property->values[1] = 200; /* -100..+100 */ 330 } 331 332 dev->mode_config.funcs = &nouveau_mode_config_funcs; 333 dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1); 334 335 dev->mode_config.min_width = 0; 336 dev->mode_config.min_height = 0; 337 if (nv_device(drm->device)->card_type < NV_10) { 338 dev->mode_config.max_width = 2048; 339 dev->mode_config.max_height = 2048; 340 } else 341 if (nv_device(drm->device)->card_type < NV_50) { 342 dev->mode_config.max_width = 4096; 343 dev->mode_config.max_height = 4096; 344 } else { 345 dev->mode_config.max_width = 8192; 346 dev->mode_config.max_height = 8192; 347 } 348 349 dev->mode_config.preferred_depth = 24; 350 dev->mode_config.prefer_shadow = 1; 351 352 drm_kms_helper_poll_init(dev); 353 drm_kms_helper_poll_disable(dev); 354 355 if (nouveau_modeset == 1 || 356 (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) { 357 if (nv_device(drm->device)->card_type < NV_50) 358 ret = nv04_display_create(dev); 359 else 360 ret = nv50_display_create(dev); 361 if (ret) 362 goto disp_create_err; 363 364 if (dev->mode_config.num_crtc) { 365 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 366 if (ret) 367 goto vblank_err; 368 } 369 370 nouveau_backlight_init(dev); 371 } 372 373 return 0; 374 375 vblank_err: 376 disp->dtor(dev); 377 disp_create_err: 378 drm_kms_helper_poll_fini(dev); 379 drm_mode_config_cleanup(dev); 380 return ret; 381 } 382 383 void 384 nouveau_display_destroy(struct drm_device *dev) 385 { 386 struct nouveau_display *disp = nouveau_display(dev); 387 388 nouveau_backlight_exit(dev); 389 drm_vblank_cleanup(dev); 390 391 drm_kms_helper_poll_fini(dev); 392 drm_mode_config_cleanup(dev); 393 394 if (disp->dtor) 395 disp->dtor(dev); 396 397 nouveau_drm(dev)->display = NULL; 398 kfree(disp); 399 } 400 401 int 402 nouveau_display_suspend(struct drm_device *dev) 403 { 404 struct nouveau_drm *drm = nouveau_drm(dev); 405 struct drm_crtc *crtc; 406 407 nouveau_display_fini(dev); 408 409 NV_INFO(drm, "unpinning framebuffer(s)...\n"); 410 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 411 struct nouveau_framebuffer *nouveau_fb; 412 413 nouveau_fb = nouveau_framebuffer(crtc->fb); 414 if (!nouveau_fb || !nouveau_fb->nvbo) 415 continue; 416 417 nouveau_bo_unpin(nouveau_fb->nvbo); 418 } 419 420 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 421 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 422 423 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 424 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 425 } 426 427 return 0; 428 } 429 430 void 431 nouveau_display_resume(struct drm_device *dev) 432 { 433 struct nouveau_drm *drm = nouveau_drm(dev); 434 struct drm_crtc *crtc; 435 int ret; 436 437 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 438 struct nouveau_framebuffer *nouveau_fb; 439 440 nouveau_fb = nouveau_framebuffer(crtc->fb); 441 if (!nouveau_fb || !nouveau_fb->nvbo) 442 continue; 443 444 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); 445 } 446 447 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 448 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 449 450 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); 451 if (!ret) 452 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 453 if (ret) 454 NV_ERROR(drm, "Could not pin/map cursor.\n"); 455 } 456 457 nouveau_fbcon_set_suspend(dev, 0); 458 nouveau_fbcon_zfill_all(dev); 459 460 nouveau_display_init(dev); 461 462 /* Force CLUT to get re-loaded during modeset */ 463 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 464 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 465 466 nv_crtc->lut.depth = 0; 467 } 468 469 drm_helper_resume_force_mode(dev); 470 471 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 472 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 473 u32 offset = nv_crtc->cursor.nvbo->bo.offset; 474 475 nv_crtc->cursor.set_offset(nv_crtc, offset); 476 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 477 nv_crtc->cursor_saved_y); 478 } 479 } 480 481 int 482 nouveau_vblank_enable(struct drm_device *dev, int crtc) 483 { 484 struct nouveau_device *device = nouveau_dev(dev); 485 486 if (device->card_type >= NV_D0) 487 nv_mask(device, 0x6100c0 + (crtc * 0x800), 1, 1); 488 else 489 if (device->card_type >= NV_50) 490 nv_mask(device, NV50_PDISPLAY_INTR_EN_1, 0, 491 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc)); 492 else 493 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 494 NV_PCRTC_INTR_0_VBLANK); 495 496 return 0; 497 } 498 499 void 500 nouveau_vblank_disable(struct drm_device *dev, int crtc) 501 { 502 struct nouveau_device *device = nouveau_dev(dev); 503 504 if (device->card_type >= NV_D0) 505 nv_mask(device, 0x6100c0 + (crtc * 0x800), 1, 0); 506 else 507 if (device->card_type >= NV_50) 508 nv_mask(device, NV50_PDISPLAY_INTR_EN_1, 509 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0); 510 else 511 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0); 512 } 513 514 static int 515 nouveau_page_flip_reserve(struct nouveau_bo *old_bo, 516 struct nouveau_bo *new_bo) 517 { 518 int ret; 519 520 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); 521 if (ret) 522 return ret; 523 524 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0); 525 if (ret) 526 goto fail; 527 528 if (likely(old_bo != new_bo)) { 529 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0); 530 if (ret) 531 goto fail_unreserve; 532 } 533 534 return 0; 535 536 fail_unreserve: 537 ttm_bo_unreserve(&new_bo->bo); 538 fail: 539 nouveau_bo_unpin(new_bo); 540 return ret; 541 } 542 543 static void 544 nouveau_page_flip_unreserve(struct nouveau_bo *old_bo, 545 struct nouveau_bo *new_bo, 546 struct nouveau_fence *fence) 547 { 548 nouveau_bo_fence(new_bo, fence); 549 ttm_bo_unreserve(&new_bo->bo); 550 551 if (likely(old_bo != new_bo)) { 552 nouveau_bo_fence(old_bo, fence); 553 ttm_bo_unreserve(&old_bo->bo); 554 } 555 556 nouveau_bo_unpin(old_bo); 557 } 558 559 static int 560 nouveau_page_flip_emit(struct nouveau_channel *chan, 561 struct nouveau_bo *old_bo, 562 struct nouveau_bo *new_bo, 563 struct nouveau_page_flip_state *s, 564 struct nouveau_fence **pfence) 565 { 566 struct nouveau_fence_chan *fctx = chan->fence; 567 struct nouveau_drm *drm = chan->drm; 568 struct drm_device *dev = drm->dev; 569 unsigned long flags; 570 int ret; 571 572 /* Queue it to the pending list */ 573 spin_lock_irqsave(&dev->event_lock, flags); 574 list_add_tail(&s->head, &fctx->flip); 575 spin_unlock_irqrestore(&dev->event_lock, flags); 576 577 /* Synchronize with the old framebuffer */ 578 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); 579 if (ret) 580 goto fail; 581 582 /* Emit the pageflip */ 583 ret = RING_SPACE(chan, 3); 584 if (ret) 585 goto fail; 586 587 if (nv_device(drm->device)->card_type < NV_C0) { 588 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 589 OUT_RING (chan, 0x00000000); 590 OUT_RING (chan, 0x00000000); 591 } else { 592 BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1); 593 OUT_RING (chan, 0); 594 BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000); 595 } 596 FIRE_RING (chan); 597 598 ret = nouveau_fence_new(chan, pfence); 599 if (ret) 600 goto fail; 601 602 return 0; 603 fail: 604 spin_lock_irqsave(&dev->event_lock, flags); 605 list_del(&s->head); 606 spin_unlock_irqrestore(&dev->event_lock, flags); 607 return ret; 608 } 609 610 int 611 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 612 struct drm_pending_vblank_event *event) 613 { 614 struct drm_device *dev = crtc->dev; 615 struct nouveau_drm *drm = nouveau_drm(dev); 616 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo; 617 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 618 struct nouveau_page_flip_state *s; 619 struct nouveau_channel *chan = NULL; 620 struct nouveau_fence *fence; 621 int ret; 622 623 if (!drm->channel) 624 return -ENODEV; 625 626 s = kzalloc(sizeof(*s), GFP_KERNEL); 627 if (!s) 628 return -ENOMEM; 629 630 /* Don't let the buffers go away while we flip */ 631 ret = nouveau_page_flip_reserve(old_bo, new_bo); 632 if (ret) 633 goto fail_free; 634 635 /* Initialize a page flip struct */ 636 *s = (struct nouveau_page_flip_state) 637 { { }, event, nouveau_crtc(crtc)->index, 638 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, 639 new_bo->bo.offset }; 640 641 /* Choose the channel the flip will be handled in */ 642 fence = new_bo->bo.sync_obj; 643 if (fence) 644 chan = fence->channel; 645 if (!chan) 646 chan = drm->channel; 647 mutex_lock(&chan->cli->mutex); 648 649 /* Emit a page flip */ 650 if (nv_device(drm->device)->card_type >= NV_50) { 651 ret = nv50_display_flip_next(crtc, fb, chan, 0); 652 if (ret) { 653 mutex_unlock(&chan->cli->mutex); 654 goto fail_unreserve; 655 } 656 } 657 658 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 659 mutex_unlock(&chan->cli->mutex); 660 if (ret) 661 goto fail_unreserve; 662 663 /* Update the crtc struct and cleanup */ 664 crtc->fb = fb; 665 666 nouveau_page_flip_unreserve(old_bo, new_bo, fence); 667 nouveau_fence_unref(&fence); 668 return 0; 669 670 fail_unreserve: 671 nouveau_page_flip_unreserve(old_bo, new_bo, NULL); 672 fail_free: 673 kfree(s); 674 return ret; 675 } 676 677 int 678 nouveau_finish_page_flip(struct nouveau_channel *chan, 679 struct nouveau_page_flip_state *ps) 680 { 681 struct nouveau_fence_chan *fctx = chan->fence; 682 struct nouveau_drm *drm = chan->drm; 683 struct drm_device *dev = drm->dev; 684 struct nouveau_page_flip_state *s; 685 unsigned long flags; 686 687 spin_lock_irqsave(&dev->event_lock, flags); 688 689 if (list_empty(&fctx->flip)) { 690 NV_ERROR(drm, "unexpected pageflip\n"); 691 spin_unlock_irqrestore(&dev->event_lock, flags); 692 return -EINVAL; 693 } 694 695 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 696 if (s->event) { 697 struct drm_pending_vblank_event *e = s->event; 698 struct timeval now; 699 700 do_gettimeofday(&now); 701 e->event.sequence = 0; 702 e->event.tv_sec = now.tv_sec; 703 e->event.tv_usec = now.tv_usec; 704 list_add_tail(&e->base.link, &e->base.file_priv->event_list); 705 wake_up_interruptible(&e->base.file_priv->event_wait); 706 } 707 708 list_del(&s->head); 709 if (ps) 710 *ps = *s; 711 kfree(s); 712 713 spin_unlock_irqrestore(&dev->event_lock, flags); 714 return 0; 715 } 716 717 int 718 nouveau_flip_complete(void *data) 719 { 720 struct nouveau_channel *chan = data; 721 struct nouveau_drm *drm = chan->drm; 722 struct nouveau_page_flip_state state; 723 724 if (!nouveau_finish_page_flip(chan, &state)) { 725 if (nv_device(drm->device)->card_type < NV_50) { 726 nv_set_crtc_base(drm->dev, state.crtc, state.offset + 727 state.y * state.pitch + 728 state.x * state.bpp / 8); 729 } 730 } 731 732 return 0; 733 } 734 735 int 736 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 737 struct drm_mode_create_dumb *args) 738 { 739 struct nouveau_bo *bo; 740 int ret; 741 742 args->pitch = roundup(args->width * (args->bpp / 8), 256); 743 args->size = args->pitch * args->height; 744 args->size = roundup(args->size, PAGE_SIZE); 745 746 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); 747 if (ret) 748 return ret; 749 750 ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle); 751 drm_gem_object_unreference_unlocked(bo->gem); 752 return ret; 753 } 754 755 int 756 nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev, 757 uint32_t handle) 758 { 759 return drm_gem_handle_delete(file_priv, handle); 760 } 761 762 int 763 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 764 struct drm_device *dev, 765 uint32_t handle, uint64_t *poffset) 766 { 767 struct drm_gem_object *gem; 768 769 gem = drm_gem_object_lookup(dev, file_priv, handle); 770 if (gem) { 771 struct nouveau_bo *bo = gem->driver_private; 772 *poffset = bo->bo.addr_space_offset; 773 drm_gem_object_unreference_unlocked(gem); 774 return 0; 775 } 776 777 return -ENOENT; 778 } 779