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