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 struct drm_crtc *crtc; 413 414 if (!suspend) { 415 if (drm_drv_uses_atomic_modeset(dev)) 416 drm_atomic_helper_shutdown(dev); 417 else 418 drm_crtc_force_disable_all(dev); 419 } 420 421 /* Make sure that drm and hw vblank irqs get properly disabled. */ 422 drm_for_each_crtc(crtc, dev) 423 drm_crtc_vblank_off(crtc); 424 425 /* disable flip completion events */ 426 nvif_notify_put(&drm->flip); 427 428 /* disable hotplug interrupts */ 429 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 430 struct nouveau_connector *conn = nouveau_connector(connector); 431 nvif_notify_put(&conn->hpd); 432 } 433 434 drm_kms_helper_poll_disable(dev); 435 disp->fini(dev); 436 } 437 438 static void 439 nouveau_display_create_properties(struct drm_device *dev) 440 { 441 struct nouveau_display *disp = nouveau_display(dev); 442 int gen; 443 444 if (disp->disp.oclass < NV50_DISP) 445 gen = 0; 446 else 447 if (disp->disp.oclass < GF110_DISP) 448 gen = 1; 449 else 450 gen = 2; 451 452 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 453 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 454 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 455 456 disp->underscan_hborder_property = 457 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 458 459 disp->underscan_vborder_property = 460 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 461 462 if (gen < 1) 463 return; 464 465 /* -90..+90 */ 466 disp->vibrant_hue_property = 467 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 468 469 /* -100..+100 */ 470 disp->color_vibrance_property = 471 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 472 } 473 474 int 475 nouveau_display_create(struct drm_device *dev) 476 { 477 struct nouveau_drm *drm = nouveau_drm(dev); 478 struct nvkm_device *device = nvxx_device(&drm->client.device); 479 struct nouveau_display *disp; 480 int ret; 481 482 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 483 if (!disp) 484 return -ENOMEM; 485 486 drm_mode_config_init(dev); 487 drm_mode_create_scaling_mode_property(dev); 488 drm_mode_create_dvi_i_properties(dev); 489 490 dev->mode_config.funcs = &nouveau_mode_config_funcs; 491 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 492 493 dev->mode_config.min_width = 0; 494 dev->mode_config.min_height = 0; 495 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 496 dev->mode_config.max_width = 2048; 497 dev->mode_config.max_height = 2048; 498 } else 499 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 500 dev->mode_config.max_width = 4096; 501 dev->mode_config.max_height = 4096; 502 } else 503 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 504 dev->mode_config.max_width = 8192; 505 dev->mode_config.max_height = 8192; 506 } else { 507 dev->mode_config.max_width = 16384; 508 dev->mode_config.max_height = 16384; 509 } 510 511 dev->mode_config.preferred_depth = 24; 512 dev->mode_config.prefer_shadow = 1; 513 514 if (drm->client.device.info.chipset < 0x11) 515 dev->mode_config.async_page_flip = false; 516 else 517 dev->mode_config.async_page_flip = true; 518 519 drm_kms_helper_poll_init(dev); 520 drm_kms_helper_poll_disable(dev); 521 522 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 523 static const u16 oclass[] = { 524 GP102_DISP, 525 GP100_DISP, 526 GM200_DISP, 527 GM107_DISP, 528 GK110_DISP, 529 GK104_DISP, 530 GF110_DISP, 531 GT214_DISP, 532 GT206_DISP, 533 GT200_DISP, 534 G82_DISP, 535 NV50_DISP, 536 NV04_DISP, 537 }; 538 int i; 539 540 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { 541 ret = nvif_object_init(&drm->client.device.object, 0, 542 oclass[i], NULL, 0, &disp->disp); 543 } 544 545 if (ret == 0) { 546 nouveau_display_create_properties(dev); 547 if (disp->disp.oclass < NV50_DISP) 548 ret = nv04_display_create(dev); 549 else 550 ret = nv50_display_create(dev); 551 } 552 } else { 553 ret = 0; 554 } 555 556 if (ret) 557 goto disp_create_err; 558 559 drm_mode_config_reset(dev); 560 561 if (dev->mode_config.num_crtc) { 562 ret = nouveau_display_vblank_init(dev); 563 if (ret) 564 goto vblank_err; 565 } 566 567 nouveau_backlight_init(dev); 568 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 569 #ifdef CONFIG_ACPI 570 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 571 register_acpi_notifier(&drm->acpi_nb); 572 #endif 573 574 return 0; 575 576 vblank_err: 577 disp->dtor(dev); 578 disp_create_err: 579 drm_kms_helper_poll_fini(dev); 580 drm_mode_config_cleanup(dev); 581 return ret; 582 } 583 584 void 585 nouveau_display_destroy(struct drm_device *dev) 586 { 587 struct nouveau_display *disp = nouveau_display(dev); 588 589 #ifdef CONFIG_ACPI 590 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 591 #endif 592 nouveau_backlight_exit(dev); 593 nouveau_display_vblank_fini(dev); 594 595 drm_kms_helper_poll_fini(dev); 596 drm_mode_config_cleanup(dev); 597 598 if (disp->dtor) 599 disp->dtor(dev); 600 601 nvif_object_fini(&disp->disp); 602 603 nouveau_drm(dev)->display = NULL; 604 kfree(disp); 605 } 606 607 int 608 nouveau_display_suspend(struct drm_device *dev, bool runtime) 609 { 610 struct nouveau_display *disp = nouveau_display(dev); 611 struct drm_crtc *crtc; 612 613 if (drm_drv_uses_atomic_modeset(dev)) { 614 if (!runtime) { 615 disp->suspend = drm_atomic_helper_suspend(dev); 616 if (IS_ERR(disp->suspend)) { 617 int ret = PTR_ERR(disp->suspend); 618 disp->suspend = NULL; 619 return ret; 620 } 621 } 622 623 nouveau_display_fini(dev, true); 624 return 0; 625 } 626 627 nouveau_display_fini(dev, true); 628 629 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 630 struct nouveau_framebuffer *nouveau_fb; 631 632 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 633 if (!nouveau_fb || !nouveau_fb->nvbo) 634 continue; 635 636 nouveau_bo_unpin(nouveau_fb->nvbo); 637 } 638 639 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 640 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 641 if (nv_crtc->cursor.nvbo) { 642 if (nv_crtc->cursor.set_offset) 643 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 644 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 645 } 646 } 647 648 return 0; 649 } 650 651 void 652 nouveau_display_resume(struct drm_device *dev, bool runtime) 653 { 654 struct nouveau_display *disp = nouveau_display(dev); 655 struct nouveau_drm *drm = nouveau_drm(dev); 656 struct drm_crtc *crtc; 657 int ret; 658 659 if (drm_drv_uses_atomic_modeset(dev)) { 660 nouveau_display_init(dev); 661 if (disp->suspend) { 662 drm_atomic_helper_resume(dev, disp->suspend); 663 disp->suspend = NULL; 664 } 665 return; 666 } 667 668 /* re-pin fb/cursors */ 669 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 670 struct nouveau_framebuffer *nouveau_fb; 671 672 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 673 if (!nouveau_fb || !nouveau_fb->nvbo) 674 continue; 675 676 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true); 677 if (ret) 678 NV_ERROR(drm, "Could not pin framebuffer\n"); 679 } 680 681 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 682 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 683 if (!nv_crtc->cursor.nvbo) 684 continue; 685 686 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true); 687 if (!ret && nv_crtc->cursor.set_offset) 688 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 689 if (ret) 690 NV_ERROR(drm, "Could not pin/map cursor.\n"); 691 } 692 693 nouveau_display_init(dev); 694 695 /* Force CLUT to get re-loaded during modeset */ 696 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 697 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 698 699 nv_crtc->lut.depth = 0; 700 } 701 702 /* This should ensure we don't hit a locking problem when someone 703 * wakes us up via a connector. We should never go into suspend 704 * while the display is on anyways. 705 */ 706 if (runtime) 707 return; 708 709 drm_helper_resume_force_mode(dev); 710 711 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 712 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 713 714 if (!nv_crtc->cursor.nvbo) 715 continue; 716 717 if (nv_crtc->cursor.set_offset) 718 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset); 719 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 720 nv_crtc->cursor_saved_y); 721 } 722 } 723 724 static int 725 nouveau_page_flip_emit(struct nouveau_channel *chan, 726 struct nouveau_bo *old_bo, 727 struct nouveau_bo *new_bo, 728 struct nouveau_page_flip_state *s, 729 struct nouveau_fence **pfence) 730 { 731 struct nouveau_fence_chan *fctx = chan->fence; 732 struct nouveau_drm *drm = chan->drm; 733 struct drm_device *dev = drm->dev; 734 unsigned long flags; 735 int ret; 736 737 /* Queue it to the pending list */ 738 spin_lock_irqsave(&dev->event_lock, flags); 739 list_add_tail(&s->head, &fctx->flip); 740 spin_unlock_irqrestore(&dev->event_lock, flags); 741 742 /* Synchronize with the old framebuffer */ 743 ret = nouveau_fence_sync(old_bo, chan, false, false); 744 if (ret) 745 goto fail; 746 747 /* Emit the pageflip */ 748 ret = RING_SPACE(chan, 2); 749 if (ret) 750 goto fail; 751 752 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 753 OUT_RING (chan, 0x00000000); 754 FIRE_RING (chan); 755 756 ret = nouveau_fence_new(chan, false, pfence); 757 if (ret) 758 goto fail; 759 760 return 0; 761 fail: 762 spin_lock_irqsave(&dev->event_lock, flags); 763 list_del(&s->head); 764 spin_unlock_irqrestore(&dev->event_lock, flags); 765 return ret; 766 } 767 768 int 769 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 770 struct drm_pending_vblank_event *event, u32 flags, 771 struct drm_modeset_acquire_ctx *ctx) 772 { 773 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 774 struct drm_device *dev = crtc->dev; 775 struct nouveau_drm *drm = nouveau_drm(dev); 776 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 777 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 778 struct nouveau_page_flip_state *s; 779 struct nouveau_channel *chan; 780 struct nouveau_cli *cli; 781 struct nouveau_fence *fence; 782 struct nv04_display *dispnv04 = nv04_display(dev); 783 int head = nouveau_crtc(crtc)->index; 784 int ret; 785 786 chan = drm->channel; 787 if (!chan) 788 return -ENODEV; 789 cli = (void *)chan->user.client; 790 791 s = kzalloc(sizeof(*s), GFP_KERNEL); 792 if (!s) 793 return -ENOMEM; 794 795 if (new_bo != old_bo) { 796 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true); 797 if (ret) 798 goto fail_free; 799 } 800 801 mutex_lock(&cli->mutex); 802 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL); 803 if (ret) 804 goto fail_unpin; 805 806 /* synchronise rendering channel with the kernel's channel */ 807 ret = nouveau_fence_sync(new_bo, chan, false, true); 808 if (ret) { 809 ttm_bo_unreserve(&new_bo->bo); 810 goto fail_unpin; 811 } 812 813 if (new_bo != old_bo) { 814 ttm_bo_unreserve(&new_bo->bo); 815 816 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL); 817 if (ret) 818 goto fail_unpin; 819 } 820 821 /* Initialize a page flip struct */ 822 *s = (struct nouveau_page_flip_state) 823 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0], 824 new_bo->bo.offset }; 825 826 /* Keep vblanks on during flip, for the target crtc of this flip */ 827 drm_crtc_vblank_get(crtc); 828 829 /* Emit a page flip */ 830 if (swap_interval) { 831 ret = RING_SPACE(chan, 8); 832 if (ret) 833 goto fail_unreserve; 834 835 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 836 OUT_RING (chan, 0); 837 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 838 OUT_RING (chan, head); 839 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 840 OUT_RING (chan, 0); 841 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 842 OUT_RING (chan, 0); 843 } 844 845 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 846 847 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 848 if (ret) 849 goto fail_unreserve; 850 mutex_unlock(&cli->mutex); 851 852 /* Update the crtc struct and cleanup */ 853 crtc->primary->fb = fb; 854 855 nouveau_bo_fence(old_bo, fence, false); 856 ttm_bo_unreserve(&old_bo->bo); 857 if (old_bo != new_bo) 858 nouveau_bo_unpin(old_bo); 859 nouveau_fence_unref(&fence); 860 return 0; 861 862 fail_unreserve: 863 drm_crtc_vblank_put(crtc); 864 ttm_bo_unreserve(&old_bo->bo); 865 fail_unpin: 866 mutex_unlock(&cli->mutex); 867 if (old_bo != new_bo) 868 nouveau_bo_unpin(new_bo); 869 fail_free: 870 kfree(s); 871 return ret; 872 } 873 874 int 875 nouveau_finish_page_flip(struct nouveau_channel *chan, 876 struct nouveau_page_flip_state *ps) 877 { 878 struct nouveau_fence_chan *fctx = chan->fence; 879 struct nouveau_drm *drm = chan->drm; 880 struct drm_device *dev = drm->dev; 881 struct nouveau_page_flip_state *s; 882 unsigned long flags; 883 884 spin_lock_irqsave(&dev->event_lock, flags); 885 886 if (list_empty(&fctx->flip)) { 887 NV_ERROR(drm, "unexpected pageflip\n"); 888 spin_unlock_irqrestore(&dev->event_lock, flags); 889 return -EINVAL; 890 } 891 892 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 893 if (s->event) { 894 drm_crtc_arm_vblank_event(s->crtc, s->event); 895 } else { 896 /* Give up ownership of vblank for page-flipped crtc */ 897 drm_crtc_vblank_put(s->crtc); 898 } 899 900 list_del(&s->head); 901 if (ps) 902 *ps = *s; 903 kfree(s); 904 905 spin_unlock_irqrestore(&dev->event_lock, flags); 906 return 0; 907 } 908 909 int 910 nouveau_flip_complete(struct nvif_notify *notify) 911 { 912 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip); 913 struct nouveau_channel *chan = drm->channel; 914 struct nouveau_page_flip_state state; 915 916 if (!nouveau_finish_page_flip(chan, &state)) { 917 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), 918 state.offset + state.crtc->y * 919 state.pitch + state.crtc->x * 920 state.bpp / 8); 921 } 922 923 return NVIF_NOTIFY_KEEP; 924 } 925 926 int 927 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 928 struct drm_mode_create_dumb *args) 929 { 930 struct nouveau_cli *cli = nouveau_cli(file_priv); 931 struct nouveau_bo *bo; 932 uint32_t domain; 933 int ret; 934 935 args->pitch = roundup(args->width * (args->bpp / 8), 256); 936 args->size = args->pitch * args->height; 937 args->size = roundup(args->size, PAGE_SIZE); 938 939 /* Use VRAM if there is any ; otherwise fallback to system memory */ 940 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 941 domain = NOUVEAU_GEM_DOMAIN_VRAM; 942 else 943 domain = NOUVEAU_GEM_DOMAIN_GART; 944 945 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 946 if (ret) 947 return ret; 948 949 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 950 drm_gem_object_unreference_unlocked(&bo->gem); 951 return ret; 952 } 953 954 int 955 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 956 struct drm_device *dev, 957 uint32_t handle, uint64_t *poffset) 958 { 959 struct drm_gem_object *gem; 960 961 gem = drm_gem_object_lookup(file_priv, handle); 962 if (gem) { 963 struct nouveau_bo *bo = nouveau_gem_object(gem); 964 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 965 drm_gem_object_unreference_unlocked(gem); 966 return 0; 967 } 968 969 return -ENOENT; 970 } 971