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 <acpi/video.h> 28 #include <drm/drmP.h> 29 #include <drm/drm_atomic.h> 30 #include <drm/drm_atomic_helper.h> 31 #include <drm/drm_crtc_helper.h> 32 33 #include <nvif/class.h> 34 35 #include "nouveau_fbcon.h" 36 #include "dispnv04/hw.h" 37 #include "nouveau_crtc.h" 38 #include "nouveau_dma.h" 39 #include "nouveau_gem.h" 40 #include "nouveau_connector.h" 41 #include "nv50_display.h" 42 43 #include "nouveau_fence.h" 44 45 #include <nvif/cl0046.h> 46 #include <nvif/event.h> 47 48 static int 49 nouveau_display_vblank_handler(struct nvif_notify *notify) 50 { 51 struct nouveau_crtc *nv_crtc = 52 container_of(notify, typeof(*nv_crtc), vblank); 53 drm_crtc_handle_vblank(&nv_crtc->base); 54 return NVIF_NOTIFY_KEEP; 55 } 56 57 int 58 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe) 59 { 60 struct drm_crtc *crtc; 61 struct nouveau_crtc *nv_crtc; 62 63 crtc = drm_crtc_from_index(dev, pipe); 64 if (!crtc) 65 return -EINVAL; 66 67 nv_crtc = nouveau_crtc(crtc); 68 nvif_notify_get(&nv_crtc->vblank); 69 70 return 0; 71 } 72 73 void 74 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe) 75 { 76 struct drm_crtc *crtc; 77 struct nouveau_crtc *nv_crtc; 78 79 crtc = drm_crtc_from_index(dev, pipe); 80 if (!crtc) 81 return; 82 83 nv_crtc = nouveau_crtc(crtc); 84 nvif_notify_put(&nv_crtc->vblank); 85 } 86 87 static inline int 88 calc(int blanks, int blanke, int total, int line) 89 { 90 if (blanke >= blanks) { 91 if (line >= blanks) 92 line -= total; 93 } else { 94 if (line >= blanks) 95 line -= total; 96 line -= blanke + 1; 97 } 98 return line; 99 } 100 101 static int 102 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 103 ktime_t *stime, ktime_t *etime) 104 { 105 struct { 106 struct nv04_disp_mthd_v0 base; 107 struct nv04_disp_scanoutpos_v0 scan; 108 } args = { 109 .base.method = NV04_DISP_SCANOUTPOS, 110 .base.head = nouveau_crtc(crtc)->index, 111 }; 112 struct nouveau_display *disp = nouveau_display(crtc->dev); 113 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; 114 int ret, retry = 20; 115 116 do { 117 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args)); 118 if (ret != 0) 119 return 0; 120 121 if (args.scan.vline) { 122 ret |= DRM_SCANOUTPOS_ACCURATE; 123 ret |= DRM_SCANOUTPOS_VALID; 124 break; 125 } 126 127 if (retry) ndelay(vblank->linedur_ns); 128 } while (retry--); 129 130 *hpos = args.scan.hline; 131 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 132 args.scan.vtotal, args.scan.vline); 133 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 134 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 135 136 if (*vpos < 0) 137 ret |= DRM_SCANOUTPOS_IN_VBLANK; 138 return ret; 139 } 140 141 int 142 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe, 143 unsigned int flags, int *vpos, int *hpos, 144 ktime_t *stime, ktime_t *etime, 145 const struct drm_display_mode *mode) 146 { 147 struct drm_crtc *crtc; 148 149 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 150 if (nouveau_crtc(crtc)->index == pipe) { 151 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 152 stime, etime); 153 } 154 } 155 156 return 0; 157 } 158 159 int 160 nouveau_display_vblstamp(struct drm_device *dev, unsigned int pipe, 161 int *max_error, struct timeval *time, unsigned flags) 162 { 163 struct drm_crtc *crtc; 164 165 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 166 if (nouveau_crtc(crtc)->index == pipe) { 167 struct drm_display_mode *mode; 168 if (drm_drv_uses_atomic_modeset(dev)) 169 mode = &crtc->state->adjusted_mode; 170 else 171 mode = &crtc->hwmode; 172 return drm_calc_vbltimestamp_from_scanoutpos(dev, 173 pipe, max_error, time, flags, mode); 174 } 175 } 176 177 return -EINVAL; 178 } 179 180 static void 181 nouveau_display_vblank_fini(struct drm_device *dev) 182 { 183 struct drm_crtc *crtc; 184 185 drm_vblank_cleanup(dev); 186 187 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 188 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 189 nvif_notify_fini(&nv_crtc->vblank); 190 } 191 } 192 193 static int 194 nouveau_display_vblank_init(struct drm_device *dev) 195 { 196 struct nouveau_display *disp = nouveau_display(dev); 197 struct drm_crtc *crtc; 198 int ret; 199 200 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 201 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 202 ret = nvif_notify_init(&disp->disp, 203 nouveau_display_vblank_handler, false, 204 NV04_DISP_NTFY_VBLANK, 205 &(struct nvif_notify_head_req_v0) { 206 .head = nv_crtc->index, 207 }, 208 sizeof(struct nvif_notify_head_req_v0), 209 sizeof(struct nvif_notify_head_rep_v0), 210 &nv_crtc->vblank); 211 if (ret) { 212 nouveau_display_vblank_fini(dev); 213 return ret; 214 } 215 } 216 217 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 218 if (ret) { 219 nouveau_display_vblank_fini(dev); 220 return ret; 221 } 222 223 return 0; 224 } 225 226 static void 227 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 228 { 229 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 230 231 if (fb->nvbo) 232 drm_gem_object_unreference_unlocked(&fb->nvbo->gem); 233 234 drm_framebuffer_cleanup(drm_fb); 235 kfree(fb); 236 } 237 238 static int 239 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 240 struct drm_file *file_priv, 241 unsigned int *handle) 242 { 243 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 244 245 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); 246 } 247 248 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 249 .destroy = nouveau_user_framebuffer_destroy, 250 .create_handle = nouveau_user_framebuffer_create_handle, 251 }; 252 253 int 254 nouveau_framebuffer_new(struct drm_device *dev, 255 const struct drm_mode_fb_cmd2 *mode_cmd, 256 struct nouveau_bo *nvbo, 257 struct nouveau_framebuffer **pfb) 258 { 259 struct nouveau_framebuffer *fb; 260 int ret; 261 262 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 263 return -ENOMEM; 264 265 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); 266 fb->nvbo = nvbo; 267 268 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs); 269 if (ret) 270 kfree(fb); 271 return ret; 272 } 273 274 struct drm_framebuffer * 275 nouveau_user_framebuffer_create(struct drm_device *dev, 276 struct drm_file *file_priv, 277 const struct drm_mode_fb_cmd2 *mode_cmd) 278 { 279 struct nouveau_framebuffer *fb; 280 struct nouveau_bo *nvbo; 281 struct drm_gem_object *gem; 282 int ret; 283 284 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 285 if (!gem) 286 return ERR_PTR(-ENOENT); 287 nvbo = nouveau_gem_object(gem); 288 289 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb); 290 if (ret == 0) 291 return &fb->base; 292 293 drm_gem_object_unreference_unlocked(gem); 294 return ERR_PTR(ret); 295 } 296 297 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 298 .fb_create = nouveau_user_framebuffer_create, 299 .output_poll_changed = nouveau_fbcon_output_poll_changed, 300 }; 301 302 303 struct nouveau_drm_prop_enum_list { 304 u8 gen_mask; 305 int type; 306 char *name; 307 }; 308 309 static struct nouveau_drm_prop_enum_list underscan[] = { 310 { 6, UNDERSCAN_AUTO, "auto" }, 311 { 6, UNDERSCAN_OFF, "off" }, 312 { 6, UNDERSCAN_ON, "on" }, 313 {} 314 }; 315 316 static struct nouveau_drm_prop_enum_list dither_mode[] = { 317 { 7, DITHERING_MODE_AUTO, "auto" }, 318 { 7, DITHERING_MODE_OFF, "off" }, 319 { 1, DITHERING_MODE_ON, "on" }, 320 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 321 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 322 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 323 {} 324 }; 325 326 static struct nouveau_drm_prop_enum_list dither_depth[] = { 327 { 6, DITHERING_DEPTH_AUTO, "auto" }, 328 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 329 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 330 {} 331 }; 332 333 #define PROP_ENUM(p,gen,n,list) do { \ 334 struct nouveau_drm_prop_enum_list *l = (list); \ 335 int c = 0; \ 336 while (l->gen_mask) { \ 337 if (l->gen_mask & (1 << (gen))) \ 338 c++; \ 339 l++; \ 340 } \ 341 if (c) { \ 342 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 343 l = (list); \ 344 c = 0; \ 345 while (p && l->gen_mask) { \ 346 if (l->gen_mask & (1 << (gen))) { \ 347 drm_property_add_enum(p, c, l->type, l->name); \ 348 c++; \ 349 } \ 350 l++; \ 351 } \ 352 } \ 353 } while(0) 354 355 static void 356 nouveau_display_hpd_work(struct work_struct *work) 357 { 358 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 359 360 pm_runtime_get_sync(drm->dev->dev); 361 362 drm_helper_hpd_irq_event(drm->dev); 363 364 pm_runtime_mark_last_busy(drm->dev->dev); 365 pm_runtime_put_sync(drm->dev->dev); 366 } 367 368 #ifdef CONFIG_ACPI 369 370 /* 371 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch 372 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c . 373 * This should be dropped once that is merged. 374 */ 375 #ifndef ACPI_VIDEO_NOTIFY_PROBE 376 #define ACPI_VIDEO_NOTIFY_PROBE 0x81 377 #endif 378 379 static int 380 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 381 void *data) 382 { 383 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 384 struct acpi_bus_event *info = data; 385 386 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 387 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 388 /* 389 * This may be the only indication we receive of a 390 * connector hotplug on a runtime suspended GPU, 391 * schedule hpd_work to check. 392 */ 393 schedule_work(&drm->hpd_work); 394 395 /* acpi-video should not generate keypresses for this */ 396 return NOTIFY_BAD; 397 } 398 } 399 400 return NOTIFY_DONE; 401 } 402 #endif 403 404 int 405 nouveau_display_init(struct drm_device *dev) 406 { 407 struct nouveau_display *disp = nouveau_display(dev); 408 struct nouveau_drm *drm = nouveau_drm(dev); 409 struct drm_connector *connector; 410 int ret; 411 412 ret = disp->init(dev); 413 if (ret) 414 return ret; 415 416 /* enable polling for external displays */ 417 if (!dev->mode_config.poll_enabled) 418 drm_kms_helper_poll_enable(dev); 419 420 /* enable hotplug interrupts */ 421 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 422 struct nouveau_connector *conn = nouveau_connector(connector); 423 nvif_notify_get(&conn->hpd); 424 } 425 426 /* enable flip completion events */ 427 nvif_notify_get(&drm->flip); 428 return ret; 429 } 430 431 void 432 nouveau_display_fini(struct drm_device *dev, bool suspend) 433 { 434 struct nouveau_display *disp = nouveau_display(dev); 435 struct nouveau_drm *drm = nouveau_drm(dev); 436 struct drm_connector *connector; 437 struct drm_crtc *crtc; 438 439 if (!suspend) { 440 if (drm_drv_uses_atomic_modeset(dev)) 441 drm_atomic_helper_shutdown(dev); 442 else 443 drm_crtc_force_disable_all(dev); 444 } 445 446 /* Make sure that drm and hw vblank irqs get properly disabled. */ 447 drm_for_each_crtc(crtc, dev) 448 drm_crtc_vblank_off(crtc); 449 450 /* disable flip completion events */ 451 nvif_notify_put(&drm->flip); 452 453 /* disable hotplug interrupts */ 454 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 455 struct nouveau_connector *conn = nouveau_connector(connector); 456 nvif_notify_put(&conn->hpd); 457 } 458 459 drm_kms_helper_poll_disable(dev); 460 disp->fini(dev); 461 } 462 463 static void 464 nouveau_display_create_properties(struct drm_device *dev) 465 { 466 struct nouveau_display *disp = nouveau_display(dev); 467 int gen; 468 469 if (disp->disp.oclass < NV50_DISP) 470 gen = 0; 471 else 472 if (disp->disp.oclass < GF110_DISP) 473 gen = 1; 474 else 475 gen = 2; 476 477 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 478 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 479 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 480 481 disp->underscan_hborder_property = 482 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 483 484 disp->underscan_vborder_property = 485 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 486 487 if (gen < 1) 488 return; 489 490 /* -90..+90 */ 491 disp->vibrant_hue_property = 492 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 493 494 /* -100..+100 */ 495 disp->color_vibrance_property = 496 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 497 } 498 499 int 500 nouveau_display_create(struct drm_device *dev) 501 { 502 struct nouveau_drm *drm = nouveau_drm(dev); 503 struct nvkm_device *device = nvxx_device(&drm->client.device); 504 struct nouveau_display *disp; 505 int ret; 506 507 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 508 if (!disp) 509 return -ENOMEM; 510 511 drm_mode_config_init(dev); 512 drm_mode_create_scaling_mode_property(dev); 513 drm_mode_create_dvi_i_properties(dev); 514 515 dev->mode_config.funcs = &nouveau_mode_config_funcs; 516 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 517 518 dev->mode_config.min_width = 0; 519 dev->mode_config.min_height = 0; 520 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 521 dev->mode_config.max_width = 2048; 522 dev->mode_config.max_height = 2048; 523 } else 524 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 525 dev->mode_config.max_width = 4096; 526 dev->mode_config.max_height = 4096; 527 } else 528 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 529 dev->mode_config.max_width = 8192; 530 dev->mode_config.max_height = 8192; 531 } else { 532 dev->mode_config.max_width = 16384; 533 dev->mode_config.max_height = 16384; 534 } 535 536 dev->mode_config.preferred_depth = 24; 537 dev->mode_config.prefer_shadow = 1; 538 539 if (drm->client.device.info.chipset < 0x11) 540 dev->mode_config.async_page_flip = false; 541 else 542 dev->mode_config.async_page_flip = true; 543 544 drm_kms_helper_poll_init(dev); 545 drm_kms_helper_poll_disable(dev); 546 547 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 548 static const u16 oclass[] = { 549 GP102_DISP, 550 GP100_DISP, 551 GM200_DISP, 552 GM107_DISP, 553 GK110_DISP, 554 GK104_DISP, 555 GF110_DISP, 556 GT214_DISP, 557 GT206_DISP, 558 GT200_DISP, 559 G82_DISP, 560 NV50_DISP, 561 NV04_DISP, 562 }; 563 int i; 564 565 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { 566 ret = nvif_object_init(&drm->client.device.object, 0, 567 oclass[i], NULL, 0, &disp->disp); 568 } 569 570 if (ret == 0) { 571 nouveau_display_create_properties(dev); 572 if (disp->disp.oclass < NV50_DISP) 573 ret = nv04_display_create(dev); 574 else 575 ret = nv50_display_create(dev); 576 } 577 } else { 578 ret = 0; 579 } 580 581 if (ret) 582 goto disp_create_err; 583 584 drm_mode_config_reset(dev); 585 586 if (dev->mode_config.num_crtc) { 587 ret = nouveau_display_vblank_init(dev); 588 if (ret) 589 goto vblank_err; 590 } 591 592 nouveau_backlight_init(dev); 593 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 594 #ifdef CONFIG_ACPI 595 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 596 register_acpi_notifier(&drm->acpi_nb); 597 #endif 598 599 return 0; 600 601 vblank_err: 602 disp->dtor(dev); 603 disp_create_err: 604 drm_kms_helper_poll_fini(dev); 605 drm_mode_config_cleanup(dev); 606 return ret; 607 } 608 609 void 610 nouveau_display_destroy(struct drm_device *dev) 611 { 612 struct nouveau_display *disp = nouveau_display(dev); 613 614 #ifdef CONFIG_ACPI 615 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 616 #endif 617 nouveau_backlight_exit(dev); 618 nouveau_display_vblank_fini(dev); 619 620 drm_kms_helper_poll_fini(dev); 621 drm_mode_config_cleanup(dev); 622 623 if (disp->dtor) 624 disp->dtor(dev); 625 626 nvif_object_fini(&disp->disp); 627 628 nouveau_drm(dev)->display = NULL; 629 kfree(disp); 630 } 631 632 int 633 nouveau_display_suspend(struct drm_device *dev, bool runtime) 634 { 635 struct nouveau_display *disp = nouveau_display(dev); 636 struct drm_crtc *crtc; 637 638 if (drm_drv_uses_atomic_modeset(dev)) { 639 if (!runtime) { 640 disp->suspend = drm_atomic_helper_suspend(dev); 641 if (IS_ERR(disp->suspend)) { 642 int ret = PTR_ERR(disp->suspend); 643 disp->suspend = NULL; 644 return ret; 645 } 646 } 647 648 nouveau_display_fini(dev, true); 649 return 0; 650 } 651 652 nouveau_display_fini(dev, true); 653 654 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 655 struct nouveau_framebuffer *nouveau_fb; 656 657 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 658 if (!nouveau_fb || !nouveau_fb->nvbo) 659 continue; 660 661 nouveau_bo_unpin(nouveau_fb->nvbo); 662 } 663 664 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 665 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 666 if (nv_crtc->cursor.nvbo) { 667 if (nv_crtc->cursor.set_offset) 668 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 669 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 670 } 671 } 672 673 return 0; 674 } 675 676 void 677 nouveau_display_resume(struct drm_device *dev, bool runtime) 678 { 679 struct nouveau_display *disp = nouveau_display(dev); 680 struct nouveau_drm *drm = nouveau_drm(dev); 681 struct drm_crtc *crtc; 682 int ret; 683 684 if (drm_drv_uses_atomic_modeset(dev)) { 685 nouveau_display_init(dev); 686 if (disp->suspend) { 687 drm_atomic_helper_resume(dev, disp->suspend); 688 disp->suspend = NULL; 689 } 690 return; 691 } 692 693 /* re-pin fb/cursors */ 694 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 695 struct nouveau_framebuffer *nouveau_fb; 696 697 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 698 if (!nouveau_fb || !nouveau_fb->nvbo) 699 continue; 700 701 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true); 702 if (ret) 703 NV_ERROR(drm, "Could not pin framebuffer\n"); 704 } 705 706 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 707 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 708 if (!nv_crtc->cursor.nvbo) 709 continue; 710 711 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true); 712 if (!ret && nv_crtc->cursor.set_offset) 713 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 714 if (ret) 715 NV_ERROR(drm, "Could not pin/map cursor.\n"); 716 } 717 718 nouveau_display_init(dev); 719 720 /* Force CLUT to get re-loaded during modeset */ 721 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 722 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 723 724 nv_crtc->lut.depth = 0; 725 } 726 727 /* This should ensure we don't hit a locking problem when someone 728 * wakes us up via a connector. We should never go into suspend 729 * while the display is on anyways. 730 */ 731 if (runtime) 732 return; 733 734 drm_helper_resume_force_mode(dev); 735 736 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 737 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 738 739 if (!nv_crtc->cursor.nvbo) 740 continue; 741 742 if (nv_crtc->cursor.set_offset) 743 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset); 744 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 745 nv_crtc->cursor_saved_y); 746 } 747 } 748 749 static int 750 nouveau_page_flip_emit(struct nouveau_channel *chan, 751 struct nouveau_bo *old_bo, 752 struct nouveau_bo *new_bo, 753 struct nouveau_page_flip_state *s, 754 struct nouveau_fence **pfence) 755 { 756 struct nouveau_fence_chan *fctx = chan->fence; 757 struct nouveau_drm *drm = chan->drm; 758 struct drm_device *dev = drm->dev; 759 unsigned long flags; 760 int ret; 761 762 /* Queue it to the pending list */ 763 spin_lock_irqsave(&dev->event_lock, flags); 764 list_add_tail(&s->head, &fctx->flip); 765 spin_unlock_irqrestore(&dev->event_lock, flags); 766 767 /* Synchronize with the old framebuffer */ 768 ret = nouveau_fence_sync(old_bo, chan, false, false); 769 if (ret) 770 goto fail; 771 772 /* Emit the pageflip */ 773 ret = RING_SPACE(chan, 2); 774 if (ret) 775 goto fail; 776 777 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 778 OUT_RING (chan, 0x00000000); 779 FIRE_RING (chan); 780 781 ret = nouveau_fence_new(chan, false, pfence); 782 if (ret) 783 goto fail; 784 785 return 0; 786 fail: 787 spin_lock_irqsave(&dev->event_lock, flags); 788 list_del(&s->head); 789 spin_unlock_irqrestore(&dev->event_lock, flags); 790 return ret; 791 } 792 793 int 794 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 795 struct drm_pending_vblank_event *event, u32 flags, 796 struct drm_modeset_acquire_ctx *ctx) 797 { 798 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 799 struct drm_device *dev = crtc->dev; 800 struct nouveau_drm *drm = nouveau_drm(dev); 801 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 802 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 803 struct nouveau_page_flip_state *s; 804 struct nouveau_channel *chan; 805 struct nouveau_cli *cli; 806 struct nouveau_fence *fence; 807 struct nv04_display *dispnv04 = nv04_display(dev); 808 int head = nouveau_crtc(crtc)->index; 809 int ret; 810 811 chan = drm->channel; 812 if (!chan) 813 return -ENODEV; 814 cli = (void *)chan->user.client; 815 816 s = kzalloc(sizeof(*s), GFP_KERNEL); 817 if (!s) 818 return -ENOMEM; 819 820 if (new_bo != old_bo) { 821 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true); 822 if (ret) 823 goto fail_free; 824 } 825 826 mutex_lock(&cli->mutex); 827 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL); 828 if (ret) 829 goto fail_unpin; 830 831 /* synchronise rendering channel with the kernel's channel */ 832 ret = nouveau_fence_sync(new_bo, chan, false, true); 833 if (ret) { 834 ttm_bo_unreserve(&new_bo->bo); 835 goto fail_unpin; 836 } 837 838 if (new_bo != old_bo) { 839 ttm_bo_unreserve(&new_bo->bo); 840 841 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL); 842 if (ret) 843 goto fail_unpin; 844 } 845 846 /* Initialize a page flip struct */ 847 *s = (struct nouveau_page_flip_state) 848 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0], 849 new_bo->bo.offset }; 850 851 /* Keep vblanks on during flip, for the target crtc of this flip */ 852 drm_crtc_vblank_get(crtc); 853 854 /* Emit a page flip */ 855 if (swap_interval) { 856 ret = RING_SPACE(chan, 8); 857 if (ret) 858 goto fail_unreserve; 859 860 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 861 OUT_RING (chan, 0); 862 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 863 OUT_RING (chan, head); 864 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 865 OUT_RING (chan, 0); 866 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 867 OUT_RING (chan, 0); 868 } 869 870 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 871 872 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 873 if (ret) 874 goto fail_unreserve; 875 mutex_unlock(&cli->mutex); 876 877 /* Update the crtc struct and cleanup */ 878 crtc->primary->fb = fb; 879 880 nouveau_bo_fence(old_bo, fence, false); 881 ttm_bo_unreserve(&old_bo->bo); 882 if (old_bo != new_bo) 883 nouveau_bo_unpin(old_bo); 884 nouveau_fence_unref(&fence); 885 return 0; 886 887 fail_unreserve: 888 drm_crtc_vblank_put(crtc); 889 ttm_bo_unreserve(&old_bo->bo); 890 fail_unpin: 891 mutex_unlock(&cli->mutex); 892 if (old_bo != new_bo) 893 nouveau_bo_unpin(new_bo); 894 fail_free: 895 kfree(s); 896 return ret; 897 } 898 899 int 900 nouveau_finish_page_flip(struct nouveau_channel *chan, 901 struct nouveau_page_flip_state *ps) 902 { 903 struct nouveau_fence_chan *fctx = chan->fence; 904 struct nouveau_drm *drm = chan->drm; 905 struct drm_device *dev = drm->dev; 906 struct nouveau_page_flip_state *s; 907 unsigned long flags; 908 909 spin_lock_irqsave(&dev->event_lock, flags); 910 911 if (list_empty(&fctx->flip)) { 912 NV_ERROR(drm, "unexpected pageflip\n"); 913 spin_unlock_irqrestore(&dev->event_lock, flags); 914 return -EINVAL; 915 } 916 917 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 918 if (s->event) { 919 drm_crtc_arm_vblank_event(s->crtc, s->event); 920 } else { 921 /* Give up ownership of vblank for page-flipped crtc */ 922 drm_crtc_vblank_put(s->crtc); 923 } 924 925 list_del(&s->head); 926 if (ps) 927 *ps = *s; 928 kfree(s); 929 930 spin_unlock_irqrestore(&dev->event_lock, flags); 931 return 0; 932 } 933 934 int 935 nouveau_flip_complete(struct nvif_notify *notify) 936 { 937 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip); 938 struct nouveau_channel *chan = drm->channel; 939 struct nouveau_page_flip_state state; 940 941 if (!nouveau_finish_page_flip(chan, &state)) { 942 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), 943 state.offset + state.crtc->y * 944 state.pitch + state.crtc->x * 945 state.bpp / 8); 946 } 947 948 return NVIF_NOTIFY_KEEP; 949 } 950 951 int 952 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 953 struct drm_mode_create_dumb *args) 954 { 955 struct nouveau_cli *cli = nouveau_cli(file_priv); 956 struct nouveau_bo *bo; 957 uint32_t domain; 958 int ret; 959 960 args->pitch = roundup(args->width * (args->bpp / 8), 256); 961 args->size = args->pitch * args->height; 962 args->size = roundup(args->size, PAGE_SIZE); 963 964 /* Use VRAM if there is any ; otherwise fallback to system memory */ 965 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 966 domain = NOUVEAU_GEM_DOMAIN_VRAM; 967 else 968 domain = NOUVEAU_GEM_DOMAIN_GART; 969 970 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 971 if (ret) 972 return ret; 973 974 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 975 drm_gem_object_unreference_unlocked(&bo->gem); 976 return ret; 977 } 978 979 int 980 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 981 struct drm_device *dev, 982 uint32_t handle, uint64_t *poffset) 983 { 984 struct drm_gem_object *gem; 985 986 gem = drm_gem_object_lookup(file_priv, handle); 987 if (gem) { 988 struct nouveau_bo *bo = nouveau_gem_object(gem); 989 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 990 drm_gem_object_unreference_unlocked(gem); 991 return 0; 992 } 993 994 return -ENOENT; 995 } 996