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 #include <drm/drm_fb_helper.h> 33 #include <drm/drm_probe_helper.h> 34 35 #include "nouveau_fbcon.h" 36 #include "nouveau_crtc.h" 37 #include "nouveau_gem.h" 38 #include "nouveau_connector.h" 39 #include "nv50_display.h" 40 41 #include <nvif/class.h> 42 #include <nvif/cl0046.h> 43 #include <nvif/event.h> 44 45 static int 46 nouveau_display_vblank_handler(struct nvif_notify *notify) 47 { 48 struct nouveau_crtc *nv_crtc = 49 container_of(notify, typeof(*nv_crtc), vblank); 50 drm_crtc_handle_vblank(&nv_crtc->base); 51 return NVIF_NOTIFY_KEEP; 52 } 53 54 int 55 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe) 56 { 57 struct drm_crtc *crtc; 58 struct nouveau_crtc *nv_crtc; 59 60 crtc = drm_crtc_from_index(dev, pipe); 61 if (!crtc) 62 return -EINVAL; 63 64 nv_crtc = nouveau_crtc(crtc); 65 nvif_notify_get(&nv_crtc->vblank); 66 67 return 0; 68 } 69 70 void 71 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe) 72 { 73 struct drm_crtc *crtc; 74 struct nouveau_crtc *nv_crtc; 75 76 crtc = drm_crtc_from_index(dev, pipe); 77 if (!crtc) 78 return; 79 80 nv_crtc = nouveau_crtc(crtc); 81 nvif_notify_put(&nv_crtc->vblank); 82 } 83 84 static inline int 85 calc(int blanks, int blanke, int total, int line) 86 { 87 if (blanke >= blanks) { 88 if (line >= blanks) 89 line -= total; 90 } else { 91 if (line >= blanks) 92 line -= total; 93 line -= blanke + 1; 94 } 95 return line; 96 } 97 98 static bool 99 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 100 ktime_t *stime, ktime_t *etime) 101 { 102 struct { 103 struct nv04_disp_mthd_v0 base; 104 struct nv04_disp_scanoutpos_v0 scan; 105 } args = { 106 .base.method = NV04_DISP_SCANOUTPOS, 107 .base.head = nouveau_crtc(crtc)->index, 108 }; 109 struct nouveau_display *disp = nouveau_display(crtc->dev); 110 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; 111 int retry = 20; 112 bool ret = false; 113 114 do { 115 ret = nvif_mthd(&disp->disp.object, 0, &args, sizeof(args)); 116 if (ret != 0) 117 return false; 118 119 if (args.scan.vline) { 120 ret = true; 121 break; 122 } 123 124 if (retry) ndelay(vblank->linedur_ns); 125 } while (retry--); 126 127 *hpos = args.scan.hline; 128 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 129 args.scan.vtotal, args.scan.vline); 130 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 131 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 132 133 return ret; 134 } 135 136 bool 137 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe, 138 bool in_vblank_irq, int *vpos, int *hpos, 139 ktime_t *stime, ktime_t *etime, 140 const struct drm_display_mode *mode) 141 { 142 struct drm_crtc *crtc; 143 144 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 145 if (nouveau_crtc(crtc)->index == pipe) { 146 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 147 stime, etime); 148 } 149 } 150 151 return false; 152 } 153 154 static void 155 nouveau_display_vblank_fini(struct drm_device *dev) 156 { 157 struct drm_crtc *crtc; 158 159 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 160 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 161 nvif_notify_fini(&nv_crtc->vblank); 162 } 163 } 164 165 static int 166 nouveau_display_vblank_init(struct drm_device *dev) 167 { 168 struct nouveau_display *disp = nouveau_display(dev); 169 struct drm_crtc *crtc; 170 int ret; 171 172 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 173 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 174 ret = nvif_notify_init(&disp->disp.object, 175 nouveau_display_vblank_handler, false, 176 NV04_DISP_NTFY_VBLANK, 177 &(struct nvif_notify_head_req_v0) { 178 .head = nv_crtc->index, 179 }, 180 sizeof(struct nvif_notify_head_req_v0), 181 sizeof(struct nvif_notify_head_rep_v0), 182 &nv_crtc->vblank); 183 if (ret) { 184 nouveau_display_vblank_fini(dev); 185 return ret; 186 } 187 } 188 189 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 190 if (ret) { 191 nouveau_display_vblank_fini(dev); 192 return ret; 193 } 194 195 return 0; 196 } 197 198 static void 199 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 200 { 201 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 202 203 if (fb->nvbo) 204 drm_gem_object_put_unlocked(&fb->nvbo->gem); 205 206 drm_framebuffer_cleanup(drm_fb); 207 kfree(fb); 208 } 209 210 static int 211 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 212 struct drm_file *file_priv, 213 unsigned int *handle) 214 { 215 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 216 217 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); 218 } 219 220 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 221 .destroy = nouveau_user_framebuffer_destroy, 222 .create_handle = nouveau_user_framebuffer_create_handle, 223 }; 224 225 int 226 nouveau_framebuffer_new(struct drm_device *dev, 227 const struct drm_mode_fb_cmd2 *mode_cmd, 228 struct nouveau_bo *nvbo, 229 struct nouveau_framebuffer **pfb) 230 { 231 struct nouveau_drm *drm = nouveau_drm(dev); 232 struct nouveau_framebuffer *fb; 233 int ret; 234 235 /* YUV overlays have special requirements pre-NV50 */ 236 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 237 238 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 239 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 240 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 241 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 242 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 243 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 244 (mode_cmd->pitches[1] && /* pitches for planes must match */ 245 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 246 struct drm_format_name_buf format_name; 247 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 248 drm_get_format_name(mode_cmd->pixel_format, 249 &format_name), 250 mode_cmd->pitches[0], 251 mode_cmd->pitches[1]); 252 return -EINVAL; 253 } 254 255 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 256 return -ENOMEM; 257 258 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); 259 fb->nvbo = nvbo; 260 261 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs); 262 if (ret) 263 kfree(fb); 264 return ret; 265 } 266 267 struct drm_framebuffer * 268 nouveau_user_framebuffer_create(struct drm_device *dev, 269 struct drm_file *file_priv, 270 const struct drm_mode_fb_cmd2 *mode_cmd) 271 { 272 struct nouveau_framebuffer *fb; 273 struct nouveau_bo *nvbo; 274 struct drm_gem_object *gem; 275 int ret; 276 277 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 278 if (!gem) 279 return ERR_PTR(-ENOENT); 280 nvbo = nouveau_gem_object(gem); 281 282 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb); 283 if (ret == 0) 284 return &fb->base; 285 286 drm_gem_object_put_unlocked(gem); 287 return ERR_PTR(ret); 288 } 289 290 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 291 .fb_create = nouveau_user_framebuffer_create, 292 .output_poll_changed = nouveau_fbcon_output_poll_changed, 293 }; 294 295 296 struct nouveau_drm_prop_enum_list { 297 u8 gen_mask; 298 int type; 299 char *name; 300 }; 301 302 static struct nouveau_drm_prop_enum_list underscan[] = { 303 { 6, UNDERSCAN_AUTO, "auto" }, 304 { 6, UNDERSCAN_OFF, "off" }, 305 { 6, UNDERSCAN_ON, "on" }, 306 {} 307 }; 308 309 static struct nouveau_drm_prop_enum_list dither_mode[] = { 310 { 7, DITHERING_MODE_AUTO, "auto" }, 311 { 7, DITHERING_MODE_OFF, "off" }, 312 { 1, DITHERING_MODE_ON, "on" }, 313 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 314 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 315 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 316 {} 317 }; 318 319 static struct nouveau_drm_prop_enum_list dither_depth[] = { 320 { 6, DITHERING_DEPTH_AUTO, "auto" }, 321 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 322 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 323 {} 324 }; 325 326 #define PROP_ENUM(p,gen,n,list) do { \ 327 struct nouveau_drm_prop_enum_list *l = (list); \ 328 int c = 0; \ 329 while (l->gen_mask) { \ 330 if (l->gen_mask & (1 << (gen))) \ 331 c++; \ 332 l++; \ 333 } \ 334 if (c) { \ 335 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 336 l = (list); \ 337 while (p && l->gen_mask) { \ 338 if (l->gen_mask & (1 << (gen))) { \ 339 drm_property_add_enum(p, l->type, l->name); \ 340 } \ 341 l++; \ 342 } \ 343 } \ 344 } while(0) 345 346 static void 347 nouveau_display_hpd_work(struct work_struct *work) 348 { 349 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 350 351 pm_runtime_get_sync(drm->dev->dev); 352 353 drm_helper_hpd_irq_event(drm->dev); 354 355 pm_runtime_mark_last_busy(drm->dev->dev); 356 pm_runtime_put_sync(drm->dev->dev); 357 } 358 359 #ifdef CONFIG_ACPI 360 361 static int 362 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 363 void *data) 364 { 365 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 366 struct acpi_bus_event *info = data; 367 int ret; 368 369 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 370 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 371 ret = pm_runtime_get(drm->dev->dev); 372 if (ret == 1 || ret == -EACCES) { 373 /* If the GPU is already awake, or in a state 374 * where we can't wake it up, it can handle 375 * it's own hotplug events. 376 */ 377 pm_runtime_put_autosuspend(drm->dev->dev); 378 } else if (ret == 0) { 379 /* This may be the only indication we receive 380 * of a connector hotplug on a runtime 381 * suspended GPU, schedule hpd_work to check. 382 */ 383 NV_DEBUG(drm, "ACPI requested connector reprobe\n"); 384 schedule_work(&drm->hpd_work); 385 pm_runtime_put_noidle(drm->dev->dev); 386 } else { 387 NV_WARN(drm, "Dropped ACPI reprobe event due to RPM error: %d\n", 388 ret); 389 } 390 391 /* acpi-video should not generate keypresses for this */ 392 return NOTIFY_BAD; 393 } 394 } 395 396 return NOTIFY_DONE; 397 } 398 #endif 399 400 int 401 nouveau_display_init(struct drm_device *dev, bool resume, bool runtime) 402 { 403 struct nouveau_display *disp = nouveau_display(dev); 404 struct drm_connector *connector; 405 struct drm_connector_list_iter conn_iter; 406 int ret; 407 408 ret = disp->init(dev, resume, runtime); 409 if (ret) 410 return ret; 411 412 /* enable connector detection and polling for connectors without HPD 413 * support 414 */ 415 drm_kms_helper_poll_enable(dev); 416 417 /* enable hotplug interrupts */ 418 drm_connector_list_iter_begin(dev, &conn_iter); 419 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 420 struct nouveau_connector *conn = nouveau_connector(connector); 421 nvif_notify_get(&conn->hpd); 422 } 423 drm_connector_list_iter_end(&conn_iter); 424 425 return ret; 426 } 427 428 void 429 nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime) 430 { 431 struct nouveau_display *disp = nouveau_display(dev); 432 struct nouveau_drm *drm = nouveau_drm(dev); 433 struct drm_connector *connector; 434 struct drm_connector_list_iter conn_iter; 435 436 if (!suspend) { 437 if (drm_drv_uses_atomic_modeset(dev)) 438 drm_atomic_helper_shutdown(dev); 439 else 440 drm_helper_force_disable_all(dev); 441 } 442 443 /* disable hotplug interrupts */ 444 drm_connector_list_iter_begin(dev, &conn_iter); 445 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 446 struct nouveau_connector *conn = nouveau_connector(connector); 447 nvif_notify_put(&conn->hpd); 448 } 449 drm_connector_list_iter_end(&conn_iter); 450 451 if (!runtime) 452 cancel_work_sync(&drm->hpd_work); 453 454 drm_kms_helper_poll_disable(dev); 455 disp->fini(dev, suspend); 456 } 457 458 static void 459 nouveau_display_create_properties(struct drm_device *dev) 460 { 461 struct nouveau_display *disp = nouveau_display(dev); 462 int gen; 463 464 if (disp->disp.object.oclass < NV50_DISP) 465 gen = 0; 466 else 467 if (disp->disp.object.oclass < GF110_DISP) 468 gen = 1; 469 else 470 gen = 2; 471 472 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 473 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 474 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 475 476 disp->underscan_hborder_property = 477 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 478 479 disp->underscan_vborder_property = 480 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 481 482 if (gen < 1) 483 return; 484 485 /* -90..+90 */ 486 disp->vibrant_hue_property = 487 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 488 489 /* -100..+100 */ 490 disp->color_vibrance_property = 491 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 492 } 493 494 int 495 nouveau_display_create(struct drm_device *dev) 496 { 497 struct nouveau_drm *drm = nouveau_drm(dev); 498 struct nvkm_device *device = nvxx_device(&drm->client.device); 499 struct nouveau_display *disp; 500 int ret; 501 502 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 503 if (!disp) 504 return -ENOMEM; 505 506 drm_mode_config_init(dev); 507 drm_mode_create_scaling_mode_property(dev); 508 drm_mode_create_dvi_i_properties(dev); 509 510 dev->mode_config.funcs = &nouveau_mode_config_funcs; 511 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 512 513 dev->mode_config.min_width = 0; 514 dev->mode_config.min_height = 0; 515 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 516 dev->mode_config.max_width = 2048; 517 dev->mode_config.max_height = 2048; 518 } else 519 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 520 dev->mode_config.max_width = 4096; 521 dev->mode_config.max_height = 4096; 522 } else 523 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 524 dev->mode_config.max_width = 8192; 525 dev->mode_config.max_height = 8192; 526 } else { 527 dev->mode_config.max_width = 16384; 528 dev->mode_config.max_height = 16384; 529 } 530 531 dev->mode_config.preferred_depth = 24; 532 dev->mode_config.prefer_shadow = 1; 533 534 if (drm->client.device.info.chipset < 0x11) 535 dev->mode_config.async_page_flip = false; 536 else 537 dev->mode_config.async_page_flip = true; 538 539 drm_kms_helper_poll_init(dev); 540 drm_kms_helper_poll_disable(dev); 541 542 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 543 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp); 544 if (ret == 0) { 545 nouveau_display_create_properties(dev); 546 if (disp->disp.object.oclass < NV50_DISP) 547 ret = nv04_display_create(dev); 548 else 549 ret = nv50_display_create(dev); 550 } 551 } else { 552 ret = 0; 553 } 554 555 if (ret) 556 goto disp_create_err; 557 558 drm_mode_config_reset(dev); 559 560 if (dev->mode_config.num_crtc) { 561 ret = nouveau_display_vblank_init(dev); 562 if (ret) 563 goto vblank_err; 564 } 565 566 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 567 #ifdef CONFIG_ACPI 568 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 569 register_acpi_notifier(&drm->acpi_nb); 570 #endif 571 572 return 0; 573 574 vblank_err: 575 disp->dtor(dev); 576 disp_create_err: 577 drm_kms_helper_poll_fini(dev); 578 drm_mode_config_cleanup(dev); 579 return ret; 580 } 581 582 void 583 nouveau_display_destroy(struct drm_device *dev) 584 { 585 struct nouveau_display *disp = nouveau_display(dev); 586 587 #ifdef CONFIG_ACPI 588 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 589 #endif 590 nouveau_display_vblank_fini(dev); 591 592 drm_kms_helper_poll_fini(dev); 593 drm_mode_config_cleanup(dev); 594 595 if (disp->dtor) 596 disp->dtor(dev); 597 598 nvif_disp_dtor(&disp->disp); 599 600 nouveau_drm(dev)->display = NULL; 601 kfree(disp); 602 } 603 604 int 605 nouveau_display_suspend(struct drm_device *dev, bool runtime) 606 { 607 struct nouveau_display *disp = nouveau_display(dev); 608 609 if (drm_drv_uses_atomic_modeset(dev)) { 610 if (!runtime) { 611 disp->suspend = drm_atomic_helper_suspend(dev); 612 if (IS_ERR(disp->suspend)) { 613 int ret = PTR_ERR(disp->suspend); 614 disp->suspend = NULL; 615 return ret; 616 } 617 } 618 } 619 620 nouveau_display_fini(dev, true, runtime); 621 return 0; 622 } 623 624 void 625 nouveau_display_resume(struct drm_device *dev, bool runtime) 626 { 627 struct nouveau_display *disp = nouveau_display(dev); 628 629 nouveau_display_init(dev, true, runtime); 630 631 if (drm_drv_uses_atomic_modeset(dev)) { 632 if (disp->suspend) { 633 drm_atomic_helper_resume(dev, disp->suspend); 634 disp->suspend = NULL; 635 } 636 return; 637 } 638 } 639 640 int 641 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 642 struct drm_mode_create_dumb *args) 643 { 644 struct nouveau_cli *cli = nouveau_cli(file_priv); 645 struct nouveau_bo *bo; 646 uint32_t domain; 647 int ret; 648 649 args->pitch = roundup(args->width * (args->bpp / 8), 256); 650 args->size = args->pitch * args->height; 651 args->size = roundup(args->size, PAGE_SIZE); 652 653 /* Use VRAM if there is any ; otherwise fallback to system memory */ 654 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 655 domain = NOUVEAU_GEM_DOMAIN_VRAM; 656 else 657 domain = NOUVEAU_GEM_DOMAIN_GART; 658 659 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 660 if (ret) 661 return ret; 662 663 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 664 drm_gem_object_put_unlocked(&bo->gem); 665 return ret; 666 } 667 668 int 669 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 670 struct drm_device *dev, 671 uint32_t handle, uint64_t *poffset) 672 { 673 struct drm_gem_object *gem; 674 675 gem = drm_gem_object_lookup(file_priv, handle); 676 if (gem) { 677 struct nouveau_bo *bo = nouveau_gem_object(gem); 678 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 679 drm_gem_object_put_unlocked(gem); 680 return 0; 681 } 682 683 return -ENOENT; 684 } 685