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 = NV50_EVO_CRTC_FB_DEPTH_8; break; 102 case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break; 103 case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break; 104 case 24: 105 case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break; 106 case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; 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 /* power on internal panel if it's not already. the init tables of 229 * some vbios default this to off for some reason, causing the 230 * panel to not work after resume 231 */ 232 if (gpio && gpio->get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff) == 0) { 233 gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1); 234 msleep(300); 235 } 236 237 /* enable polling for external displays */ 238 drm_kms_helper_poll_enable(dev); 239 240 /* enable hotplug interrupts */ 241 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 242 struct nouveau_connector *conn = nouveau_connector(connector); 243 if (gpio) 244 gpio->irq(gpio, 0, conn->hpd, 0xff, true); 245 } 246 247 return ret; 248 } 249 250 void 251 nouveau_display_fini(struct drm_device *dev) 252 { 253 struct nouveau_drm *drm = nouveau_drm(dev); 254 struct nouveau_display *disp = nouveau_display(dev); 255 struct nouveau_gpio *gpio = nouveau_gpio(drm->device); 256 struct drm_connector *connector; 257 258 /* disable hotplug interrupts */ 259 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 260 struct nouveau_connector *conn = nouveau_connector(connector); 261 if (gpio) 262 gpio->irq(gpio, 0, conn->hpd, 0xff, false); 263 } 264 265 drm_kms_helper_poll_disable(dev); 266 disp->fini(dev); 267 } 268 269 static void 270 nouveau_display_vblank_notify(void *data, int crtc) 271 { 272 drm_handle_vblank(data, crtc); 273 } 274 275 static void 276 nouveau_display_vblank_get(void *data, int crtc) 277 { 278 drm_vblank_get(data, crtc); 279 } 280 281 static void 282 nouveau_display_vblank_put(void *data, int crtc) 283 { 284 drm_vblank_put(data, crtc); 285 } 286 287 int 288 nouveau_display_create(struct drm_device *dev) 289 { 290 struct nouveau_drm *drm = nouveau_drm(dev); 291 struct nouveau_disp *pdisp = nouveau_disp(drm->device); 292 struct nouveau_display *disp; 293 u32 pclass = dev->pdev->class >> 8; 294 int ret, gen; 295 296 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 297 if (!disp) 298 return -ENOMEM; 299 300 pdisp->vblank.data = dev; 301 pdisp->vblank.notify = nouveau_display_vblank_notify; 302 pdisp->vblank.get = nouveau_display_vblank_get; 303 pdisp->vblank.put = nouveau_display_vblank_put; 304 305 drm_mode_config_init(dev); 306 drm_mode_create_scaling_mode_property(dev); 307 drm_mode_create_dvi_i_properties(dev); 308 309 if (nv_device(drm->device)->card_type < NV_50) 310 gen = 0; 311 else 312 if (nv_device(drm->device)->card_type < NV_D0) 313 gen = 1; 314 else 315 gen = 2; 316 317 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 318 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 319 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 320 321 disp->underscan_hborder_property = 322 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 323 324 disp->underscan_vborder_property = 325 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 326 327 if (gen == 1) { 328 disp->vibrant_hue_property = 329 drm_property_create(dev, DRM_MODE_PROP_RANGE, 330 "vibrant hue", 2); 331 disp->vibrant_hue_property->values[0] = 0; 332 disp->vibrant_hue_property->values[1] = 180; /* -90..+90 */ 333 334 disp->color_vibrance_property = 335 drm_property_create(dev, DRM_MODE_PROP_RANGE, 336 "color vibrance", 2); 337 disp->color_vibrance_property->values[0] = 0; 338 disp->color_vibrance_property->values[1] = 200; /* -100..+100 */ 339 } 340 341 dev->mode_config.funcs = &nouveau_mode_config_funcs; 342 dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1); 343 344 dev->mode_config.min_width = 0; 345 dev->mode_config.min_height = 0; 346 if (nv_device(drm->device)->card_type < NV_10) { 347 dev->mode_config.max_width = 2048; 348 dev->mode_config.max_height = 2048; 349 } else 350 if (nv_device(drm->device)->card_type < NV_50) { 351 dev->mode_config.max_width = 4096; 352 dev->mode_config.max_height = 4096; 353 } else { 354 dev->mode_config.max_width = 8192; 355 dev->mode_config.max_height = 8192; 356 } 357 358 dev->mode_config.preferred_depth = 24; 359 dev->mode_config.prefer_shadow = 1; 360 361 drm_kms_helper_poll_init(dev); 362 drm_kms_helper_poll_disable(dev); 363 364 if (nouveau_modeset == 1 || 365 (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) { 366 if (nv_device(drm->device)->card_type < NV_50) 367 ret = nv04_display_create(dev); 368 else 369 if (nv_device(drm->device)->card_type < NV_D0) 370 ret = nv50_display_create(dev); 371 else 372 ret = nvd0_display_create(dev); 373 if (ret) 374 goto disp_create_err; 375 376 if (dev->mode_config.num_crtc) { 377 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 378 if (ret) 379 goto vblank_err; 380 } 381 382 nouveau_backlight_init(dev); 383 } 384 385 return 0; 386 387 vblank_err: 388 disp->dtor(dev); 389 disp_create_err: 390 drm_kms_helper_poll_fini(dev); 391 drm_mode_config_cleanup(dev); 392 return ret; 393 } 394 395 void 396 nouveau_display_destroy(struct drm_device *dev) 397 { 398 struct nouveau_display *disp = nouveau_display(dev); 399 400 nouveau_backlight_exit(dev); 401 drm_vblank_cleanup(dev); 402 403 if (disp->dtor) 404 disp->dtor(dev); 405 406 drm_kms_helper_poll_fini(dev); 407 drm_mode_config_cleanup(dev); 408 nouveau_drm(dev)->display = NULL; 409 kfree(disp); 410 } 411 412 int 413 nouveau_display_suspend(struct drm_device *dev) 414 { 415 struct nouveau_drm *drm = nouveau_drm(dev); 416 struct drm_crtc *crtc; 417 418 nouveau_display_fini(dev); 419 420 NV_INFO(drm, "unpinning framebuffer(s)...\n"); 421 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 422 struct nouveau_framebuffer *nouveau_fb; 423 424 nouveau_fb = nouveau_framebuffer(crtc->fb); 425 if (!nouveau_fb || !nouveau_fb->nvbo) 426 continue; 427 428 nouveau_bo_unpin(nouveau_fb->nvbo); 429 } 430 431 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 432 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 433 434 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 435 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 436 } 437 438 return 0; 439 } 440 441 void 442 nouveau_display_resume(struct drm_device *dev) 443 { 444 struct nouveau_drm *drm = nouveau_drm(dev); 445 struct drm_crtc *crtc; 446 int ret; 447 448 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 449 struct nouveau_framebuffer *nouveau_fb; 450 451 nouveau_fb = nouveau_framebuffer(crtc->fb); 452 if (!nouveau_fb || !nouveau_fb->nvbo) 453 continue; 454 455 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); 456 } 457 458 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 459 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 460 461 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); 462 if (!ret) 463 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 464 if (ret) 465 NV_ERROR(drm, "Could not pin/map cursor.\n"); 466 } 467 468 nouveau_fbcon_set_suspend(dev, 0); 469 nouveau_fbcon_zfill_all(dev); 470 471 nouveau_display_init(dev); 472 473 /* Force CLUT to get re-loaded during modeset */ 474 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 475 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 476 477 nv_crtc->lut.depth = 0; 478 } 479 480 drm_helper_resume_force_mode(dev); 481 482 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 483 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 484 u32 offset = nv_crtc->cursor.nvbo->bo.offset; 485 486 nv_crtc->cursor.set_offset(nv_crtc, offset); 487 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 488 nv_crtc->cursor_saved_y); 489 } 490 } 491 492 int 493 nouveau_vblank_enable(struct drm_device *dev, int crtc) 494 { 495 struct nouveau_device *device = nouveau_dev(dev); 496 497 if (device->card_type >= NV_D0) 498 nv_mask(device, 0x6100c0 + (crtc * 0x800), 1, 1); 499 else 500 if (device->card_type >= NV_50) 501 nv_mask(device, NV50_PDISPLAY_INTR_EN_1, 0, 502 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc)); 503 else 504 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 505 NV_PCRTC_INTR_0_VBLANK); 506 507 return 0; 508 } 509 510 void 511 nouveau_vblank_disable(struct drm_device *dev, int crtc) 512 { 513 struct nouveau_device *device = nouveau_dev(dev); 514 515 if (device->card_type >= NV_D0) 516 nv_mask(device, 0x6100c0 + (crtc * 0x800), 1, 0); 517 else 518 if (device->card_type >= NV_50) 519 nv_mask(device, NV50_PDISPLAY_INTR_EN_1, 520 NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0); 521 else 522 NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0); 523 } 524 525 static int 526 nouveau_page_flip_reserve(struct nouveau_bo *old_bo, 527 struct nouveau_bo *new_bo) 528 { 529 int ret; 530 531 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); 532 if (ret) 533 return ret; 534 535 ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0); 536 if (ret) 537 goto fail; 538 539 if (likely(old_bo != new_bo)) { 540 ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0); 541 if (ret) 542 goto fail_unreserve; 543 } 544 545 return 0; 546 547 fail_unreserve: 548 ttm_bo_unreserve(&new_bo->bo); 549 fail: 550 nouveau_bo_unpin(new_bo); 551 return ret; 552 } 553 554 static void 555 nouveau_page_flip_unreserve(struct nouveau_bo *old_bo, 556 struct nouveau_bo *new_bo, 557 struct nouveau_fence *fence) 558 { 559 nouveau_bo_fence(new_bo, fence); 560 ttm_bo_unreserve(&new_bo->bo); 561 562 if (likely(old_bo != new_bo)) { 563 nouveau_bo_fence(old_bo, fence); 564 ttm_bo_unreserve(&old_bo->bo); 565 } 566 567 nouveau_bo_unpin(old_bo); 568 } 569 570 static int 571 nouveau_page_flip_emit(struct nouveau_channel *chan, 572 struct nouveau_bo *old_bo, 573 struct nouveau_bo *new_bo, 574 struct nouveau_page_flip_state *s, 575 struct nouveau_fence **pfence) 576 { 577 struct nouveau_fence_chan *fctx = chan->fence; 578 struct nouveau_drm *drm = chan->drm; 579 struct drm_device *dev = drm->dev; 580 unsigned long flags; 581 int ret; 582 583 /* Queue it to the pending list */ 584 spin_lock_irqsave(&dev->event_lock, flags); 585 list_add_tail(&s->head, &fctx->flip); 586 spin_unlock_irqrestore(&dev->event_lock, flags); 587 588 /* Synchronize with the old framebuffer */ 589 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); 590 if (ret) 591 goto fail; 592 593 /* Emit the pageflip */ 594 ret = RING_SPACE(chan, 3); 595 if (ret) 596 goto fail; 597 598 if (nv_device(drm->device)->card_type < NV_C0) { 599 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 600 OUT_RING (chan, 0x00000000); 601 OUT_RING (chan, 0x00000000); 602 } else { 603 BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1); 604 OUT_RING (chan, 0); 605 BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000); 606 } 607 FIRE_RING (chan); 608 609 ret = nouveau_fence_new(chan, pfence); 610 if (ret) 611 goto fail; 612 613 return 0; 614 fail: 615 spin_lock_irqsave(&dev->event_lock, flags); 616 list_del(&s->head); 617 spin_unlock_irqrestore(&dev->event_lock, flags); 618 return ret; 619 } 620 621 int 622 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 623 struct drm_pending_vblank_event *event) 624 { 625 struct drm_device *dev = crtc->dev; 626 struct nouveau_drm *drm = nouveau_drm(dev); 627 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo; 628 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 629 struct nouveau_page_flip_state *s; 630 struct nouveau_channel *chan = NULL; 631 struct nouveau_fence *fence; 632 int ret; 633 634 if (!drm->channel) 635 return -ENODEV; 636 637 s = kzalloc(sizeof(*s), GFP_KERNEL); 638 if (!s) 639 return -ENOMEM; 640 641 /* Don't let the buffers go away while we flip */ 642 ret = nouveau_page_flip_reserve(old_bo, new_bo); 643 if (ret) 644 goto fail_free; 645 646 /* Initialize a page flip struct */ 647 *s = (struct nouveau_page_flip_state) 648 { { }, event, nouveau_crtc(crtc)->index, 649 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, 650 new_bo->bo.offset }; 651 652 /* Choose the channel the flip will be handled in */ 653 fence = new_bo->bo.sync_obj; 654 if (fence) 655 chan = fence->channel; 656 if (!chan) 657 chan = drm->channel; 658 mutex_lock(&chan->cli->mutex); 659 660 /* Emit a page flip */ 661 if (nv_device(drm->device)->card_type >= NV_50) { 662 if (nv_device(drm->device)->card_type >= NV_D0) 663 ret = nvd0_display_flip_next(crtc, fb, chan, 0); 664 else 665 ret = nv50_display_flip_next(crtc, fb, chan); 666 if (ret) { 667 mutex_unlock(&chan->cli->mutex); 668 goto fail_unreserve; 669 } 670 } 671 672 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 673 mutex_unlock(&chan->cli->mutex); 674 if (ret) 675 goto fail_unreserve; 676 677 /* Update the crtc struct and cleanup */ 678 crtc->fb = fb; 679 680 nouveau_page_flip_unreserve(old_bo, new_bo, fence); 681 nouveau_fence_unref(&fence); 682 return 0; 683 684 fail_unreserve: 685 nouveau_page_flip_unreserve(old_bo, new_bo, NULL); 686 fail_free: 687 kfree(s); 688 return ret; 689 } 690 691 int 692 nouveau_finish_page_flip(struct nouveau_channel *chan, 693 struct nouveau_page_flip_state *ps) 694 { 695 struct nouveau_fence_chan *fctx = chan->fence; 696 struct nouveau_drm *drm = chan->drm; 697 struct drm_device *dev = drm->dev; 698 struct nouveau_page_flip_state *s; 699 unsigned long flags; 700 701 spin_lock_irqsave(&dev->event_lock, flags); 702 703 if (list_empty(&fctx->flip)) { 704 NV_ERROR(drm, "unexpected pageflip\n"); 705 spin_unlock_irqrestore(&dev->event_lock, flags); 706 return -EINVAL; 707 } 708 709 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 710 if (s->event) { 711 struct drm_pending_vblank_event *e = s->event; 712 struct timeval now; 713 714 do_gettimeofday(&now); 715 e->event.sequence = 0; 716 e->event.tv_sec = now.tv_sec; 717 e->event.tv_usec = now.tv_usec; 718 list_add_tail(&e->base.link, &e->base.file_priv->event_list); 719 wake_up_interruptible(&e->base.file_priv->event_wait); 720 } 721 722 list_del(&s->head); 723 if (ps) 724 *ps = *s; 725 kfree(s); 726 727 spin_unlock_irqrestore(&dev->event_lock, flags); 728 return 0; 729 } 730 731 int 732 nouveau_flip_complete(void *data) 733 { 734 struct nouveau_channel *chan = data; 735 struct nouveau_drm *drm = chan->drm; 736 struct nouveau_page_flip_state state; 737 738 if (!nouveau_finish_page_flip(chan, &state)) { 739 if (nv_device(drm->device)->card_type < NV_50) { 740 nv_set_crtc_base(drm->dev, state.crtc, state.offset + 741 state.y * state.pitch + 742 state.x * state.bpp / 8); 743 } 744 } 745 746 return 0; 747 } 748 749 int 750 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 751 struct drm_mode_create_dumb *args) 752 { 753 struct nouveau_bo *bo; 754 int ret; 755 756 args->pitch = roundup(args->width * (args->bpp / 8), 256); 757 args->size = args->pitch * args->height; 758 args->size = roundup(args->size, PAGE_SIZE); 759 760 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); 761 if (ret) 762 return ret; 763 764 ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle); 765 drm_gem_object_unreference_unlocked(bo->gem); 766 return ret; 767 } 768 769 int 770 nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev, 771 uint32_t handle) 772 { 773 return drm_gem_handle_delete(file_priv, handle); 774 } 775 776 int 777 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 778 struct drm_device *dev, 779 uint32_t handle, uint64_t *poffset) 780 { 781 struct drm_gem_object *gem; 782 783 gem = drm_gem_object_lookup(dev, file_priv, handle); 784 if (gem) { 785 struct nouveau_bo *bo = gem->driver_private; 786 *poffset = bo->bo.addr_space_offset; 787 drm_gem_object_unreference_unlocked(gem); 788 return 0; 789 } 790 791 return -ENOENT; 792 } 793