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