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 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 163 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 164 nvif_notify_fini(&nv_crtc->vblank); 165 } 166 } 167 168 static int 169 nouveau_display_vblank_init(struct drm_device *dev) 170 { 171 struct nouveau_display *disp = nouveau_display(dev); 172 struct drm_crtc *crtc; 173 int ret; 174 175 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 176 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 177 ret = nvif_notify_init(&disp->disp, 178 nouveau_display_vblank_handler, false, 179 NV04_DISP_NTFY_VBLANK, 180 &(struct nvif_notify_head_req_v0) { 181 .head = nv_crtc->index, 182 }, 183 sizeof(struct nvif_notify_head_req_v0), 184 sizeof(struct nvif_notify_head_rep_v0), 185 &nv_crtc->vblank); 186 if (ret) { 187 nouveau_display_vblank_fini(dev); 188 return ret; 189 } 190 } 191 192 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 193 if (ret) { 194 nouveau_display_vblank_fini(dev); 195 return ret; 196 } 197 198 return 0; 199 } 200 201 static void 202 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 203 { 204 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 205 206 if (fb->nvbo) 207 drm_gem_object_unreference_unlocked(&fb->nvbo->gem); 208 209 drm_framebuffer_cleanup(drm_fb); 210 kfree(fb); 211 } 212 213 static int 214 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 215 struct drm_file *file_priv, 216 unsigned int *handle) 217 { 218 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 219 220 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); 221 } 222 223 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 224 .destroy = nouveau_user_framebuffer_destroy, 225 .create_handle = nouveau_user_framebuffer_create_handle, 226 }; 227 228 int 229 nouveau_framebuffer_new(struct drm_device *dev, 230 const struct drm_mode_fb_cmd2 *mode_cmd, 231 struct nouveau_bo *nvbo, 232 struct nouveau_framebuffer **pfb) 233 { 234 struct nouveau_drm *drm = nouveau_drm(dev); 235 struct nouveau_framebuffer *fb; 236 int ret; 237 238 /* YUV overlays have special requirements pre-NV50 */ 239 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 240 241 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 242 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 243 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 244 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 245 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 246 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 247 (mode_cmd->pitches[1] && /* pitches for planes must match */ 248 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 249 struct drm_format_name_buf format_name; 250 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 251 drm_get_format_name(mode_cmd->pixel_format, 252 &format_name), 253 mode_cmd->pitches[0], 254 mode_cmd->pitches[1]); 255 return -EINVAL; 256 } 257 258 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 259 return -ENOMEM; 260 261 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); 262 fb->nvbo = nvbo; 263 264 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs); 265 if (ret) 266 kfree(fb); 267 return ret; 268 } 269 270 struct drm_framebuffer * 271 nouveau_user_framebuffer_create(struct drm_device *dev, 272 struct drm_file *file_priv, 273 const struct drm_mode_fb_cmd2 *mode_cmd) 274 { 275 struct nouveau_framebuffer *fb; 276 struct nouveau_bo *nvbo; 277 struct drm_gem_object *gem; 278 int ret; 279 280 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 281 if (!gem) 282 return ERR_PTR(-ENOENT); 283 nvbo = nouveau_gem_object(gem); 284 285 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb); 286 if (ret == 0) 287 return &fb->base; 288 289 drm_gem_object_unreference_unlocked(gem); 290 return ERR_PTR(ret); 291 } 292 293 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 294 .fb_create = nouveau_user_framebuffer_create, 295 .output_poll_changed = nouveau_fbcon_output_poll_changed, 296 }; 297 298 299 struct nouveau_drm_prop_enum_list { 300 u8 gen_mask; 301 int type; 302 char *name; 303 }; 304 305 static struct nouveau_drm_prop_enum_list underscan[] = { 306 { 6, UNDERSCAN_AUTO, "auto" }, 307 { 6, UNDERSCAN_OFF, "off" }, 308 { 6, UNDERSCAN_ON, "on" }, 309 {} 310 }; 311 312 static struct nouveau_drm_prop_enum_list dither_mode[] = { 313 { 7, DITHERING_MODE_AUTO, "auto" }, 314 { 7, DITHERING_MODE_OFF, "off" }, 315 { 1, DITHERING_MODE_ON, "on" }, 316 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 317 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 318 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 319 {} 320 }; 321 322 static struct nouveau_drm_prop_enum_list dither_depth[] = { 323 { 6, DITHERING_DEPTH_AUTO, "auto" }, 324 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 325 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 326 {} 327 }; 328 329 #define PROP_ENUM(p,gen,n,list) do { \ 330 struct nouveau_drm_prop_enum_list *l = (list); \ 331 int c = 0; \ 332 while (l->gen_mask) { \ 333 if (l->gen_mask & (1 << (gen))) \ 334 c++; \ 335 l++; \ 336 } \ 337 if (c) { \ 338 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 339 l = (list); \ 340 c = 0; \ 341 while (p && l->gen_mask) { \ 342 if (l->gen_mask & (1 << (gen))) { \ 343 drm_property_add_enum(p, c, l->type, l->name); \ 344 c++; \ 345 } \ 346 l++; \ 347 } \ 348 } \ 349 } while(0) 350 351 static void 352 nouveau_display_hpd_work(struct work_struct *work) 353 { 354 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 355 356 pm_runtime_get_sync(drm->dev->dev); 357 358 drm_helper_hpd_irq_event(drm->dev); 359 /* enable polling for external displays */ 360 drm_kms_helper_poll_enable(drm->dev); 361 362 pm_runtime_mark_last_busy(drm->dev->dev); 363 pm_runtime_put_sync(drm->dev->dev); 364 } 365 366 #ifdef CONFIG_ACPI 367 368 /* 369 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch 370 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c . 371 * This should be dropped once that is merged. 372 */ 373 #ifndef ACPI_VIDEO_NOTIFY_PROBE 374 #define ACPI_VIDEO_NOTIFY_PROBE 0x81 375 #endif 376 377 static int 378 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 379 void *data) 380 { 381 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 382 struct acpi_bus_event *info = data; 383 384 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 385 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 386 /* 387 * This may be the only indication we receive of a 388 * connector hotplug on a runtime suspended GPU, 389 * schedule hpd_work to check. 390 */ 391 schedule_work(&drm->hpd_work); 392 393 /* acpi-video should not generate keypresses for this */ 394 return NOTIFY_BAD; 395 } 396 } 397 398 return NOTIFY_DONE; 399 } 400 #endif 401 402 int 403 nouveau_display_init(struct drm_device *dev) 404 { 405 struct nouveau_display *disp = nouveau_display(dev); 406 struct nouveau_drm *drm = nouveau_drm(dev); 407 struct drm_connector *connector; 408 int ret; 409 410 ret = disp->init(dev); 411 if (ret) 412 return ret; 413 414 /* enable hotplug interrupts */ 415 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 416 struct nouveau_connector *conn = nouveau_connector(connector); 417 nvif_notify_get(&conn->hpd); 418 } 419 420 /* enable flip completion events */ 421 nvif_notify_get(&drm->flip); 422 return ret; 423 } 424 425 void 426 nouveau_display_fini(struct drm_device *dev, bool suspend) 427 { 428 struct nouveau_display *disp = nouveau_display(dev); 429 struct nouveau_drm *drm = nouveau_drm(dev); 430 struct drm_connector *connector; 431 432 if (!suspend) { 433 if (drm_drv_uses_atomic_modeset(dev)) 434 drm_atomic_helper_shutdown(dev); 435 else 436 drm_crtc_force_disable_all(dev); 437 } 438 439 /* disable flip completion events */ 440 nvif_notify_put(&drm->flip); 441 442 /* disable hotplug interrupts */ 443 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 444 struct nouveau_connector *conn = nouveau_connector(connector); 445 nvif_notify_put(&conn->hpd); 446 } 447 448 drm_kms_helper_poll_disable(dev); 449 disp->fini(dev); 450 } 451 452 static void 453 nouveau_display_create_properties(struct drm_device *dev) 454 { 455 struct nouveau_display *disp = nouveau_display(dev); 456 int gen; 457 458 if (disp->disp.oclass < NV50_DISP) 459 gen = 0; 460 else 461 if (disp->disp.oclass < GF110_DISP) 462 gen = 1; 463 else 464 gen = 2; 465 466 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 467 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 468 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 469 470 disp->underscan_hborder_property = 471 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 472 473 disp->underscan_vborder_property = 474 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 475 476 if (gen < 1) 477 return; 478 479 /* -90..+90 */ 480 disp->vibrant_hue_property = 481 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 482 483 /* -100..+100 */ 484 disp->color_vibrance_property = 485 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 486 } 487 488 int 489 nouveau_display_create(struct drm_device *dev) 490 { 491 struct nouveau_drm *drm = nouveau_drm(dev); 492 struct nvkm_device *device = nvxx_device(&drm->client.device); 493 struct nouveau_display *disp; 494 int ret; 495 496 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 497 if (!disp) 498 return -ENOMEM; 499 500 drm_mode_config_init(dev); 501 drm_mode_create_scaling_mode_property(dev); 502 drm_mode_create_dvi_i_properties(dev); 503 504 dev->mode_config.funcs = &nouveau_mode_config_funcs; 505 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 506 507 dev->mode_config.min_width = 0; 508 dev->mode_config.min_height = 0; 509 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 510 dev->mode_config.max_width = 2048; 511 dev->mode_config.max_height = 2048; 512 } else 513 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 514 dev->mode_config.max_width = 4096; 515 dev->mode_config.max_height = 4096; 516 } else 517 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 518 dev->mode_config.max_width = 8192; 519 dev->mode_config.max_height = 8192; 520 } else { 521 dev->mode_config.max_width = 16384; 522 dev->mode_config.max_height = 16384; 523 } 524 525 dev->mode_config.preferred_depth = 24; 526 dev->mode_config.prefer_shadow = 1; 527 528 if (drm->client.device.info.chipset < 0x11) 529 dev->mode_config.async_page_flip = false; 530 else 531 dev->mode_config.async_page_flip = true; 532 533 drm_kms_helper_poll_init(dev); 534 drm_kms_helper_poll_disable(dev); 535 536 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 537 static const u16 oclass[] = { 538 GP102_DISP, 539 GP100_DISP, 540 GM200_DISP, 541 GM107_DISP, 542 GK110_DISP, 543 GK104_DISP, 544 GF110_DISP, 545 GT214_DISP, 546 GT206_DISP, 547 GT200_DISP, 548 G82_DISP, 549 NV50_DISP, 550 NV04_DISP, 551 }; 552 int i; 553 554 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { 555 ret = nvif_object_init(&drm->client.device.object, 0, 556 oclass[i], NULL, 0, &disp->disp); 557 } 558 559 if (ret == 0) { 560 nouveau_display_create_properties(dev); 561 if (disp->disp.oclass < NV50_DISP) 562 ret = nv04_display_create(dev); 563 else 564 ret = nv50_display_create(dev); 565 } 566 } else { 567 ret = 0; 568 } 569 570 if (ret) 571 goto disp_create_err; 572 573 drm_mode_config_reset(dev); 574 575 if (dev->mode_config.num_crtc) { 576 ret = nouveau_display_vblank_init(dev); 577 if (ret) 578 goto vblank_err; 579 } 580 581 nouveau_backlight_init(dev); 582 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 583 #ifdef CONFIG_ACPI 584 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 585 register_acpi_notifier(&drm->acpi_nb); 586 #endif 587 588 return 0; 589 590 vblank_err: 591 disp->dtor(dev); 592 disp_create_err: 593 drm_kms_helper_poll_fini(dev); 594 drm_mode_config_cleanup(dev); 595 return ret; 596 } 597 598 void 599 nouveau_display_destroy(struct drm_device *dev) 600 { 601 struct nouveau_display *disp = nouveau_display(dev); 602 603 #ifdef CONFIG_ACPI 604 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 605 #endif 606 nouveau_backlight_exit(dev); 607 nouveau_display_vblank_fini(dev); 608 609 drm_kms_helper_poll_fini(dev); 610 drm_mode_config_cleanup(dev); 611 612 if (disp->dtor) 613 disp->dtor(dev); 614 615 nvif_object_fini(&disp->disp); 616 617 nouveau_drm(dev)->display = NULL; 618 kfree(disp); 619 } 620 621 int 622 nouveau_display_suspend(struct drm_device *dev, bool runtime) 623 { 624 struct nouveau_display *disp = nouveau_display(dev); 625 struct drm_crtc *crtc; 626 627 if (drm_drv_uses_atomic_modeset(dev)) { 628 if (!runtime) { 629 disp->suspend = drm_atomic_helper_suspend(dev); 630 if (IS_ERR(disp->suspend)) { 631 int ret = PTR_ERR(disp->suspend); 632 disp->suspend = NULL; 633 return ret; 634 } 635 } 636 637 nouveau_display_fini(dev, true); 638 return 0; 639 } 640 641 nouveau_display_fini(dev, true); 642 643 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 644 struct nouveau_framebuffer *nouveau_fb; 645 646 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 647 if (!nouveau_fb || !nouveau_fb->nvbo) 648 continue; 649 650 nouveau_bo_unpin(nouveau_fb->nvbo); 651 } 652 653 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 654 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 655 if (nv_crtc->cursor.nvbo) { 656 if (nv_crtc->cursor.set_offset) 657 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 658 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 659 } 660 } 661 662 return 0; 663 } 664 665 void 666 nouveau_display_resume(struct drm_device *dev, bool runtime) 667 { 668 struct nouveau_display *disp = nouveau_display(dev); 669 struct nouveau_drm *drm = nouveau_drm(dev); 670 struct drm_crtc *crtc; 671 int ret; 672 673 if (drm_drv_uses_atomic_modeset(dev)) { 674 nouveau_display_init(dev); 675 if (disp->suspend) { 676 drm_atomic_helper_resume(dev, disp->suspend); 677 disp->suspend = NULL; 678 } 679 return; 680 } 681 682 /* re-pin fb/cursors */ 683 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 684 struct nouveau_framebuffer *nouveau_fb; 685 686 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 687 if (!nouveau_fb || !nouveau_fb->nvbo) 688 continue; 689 690 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true); 691 if (ret) 692 NV_ERROR(drm, "Could not pin framebuffer\n"); 693 } 694 695 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 696 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 697 if (!nv_crtc->cursor.nvbo) 698 continue; 699 700 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true); 701 if (!ret && nv_crtc->cursor.set_offset) 702 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 703 if (ret) 704 NV_ERROR(drm, "Could not pin/map cursor.\n"); 705 } 706 707 nouveau_display_init(dev); 708 709 /* Force CLUT to get re-loaded during modeset */ 710 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 711 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 712 713 nv_crtc->lut.depth = 0; 714 } 715 716 /* This should ensure we don't hit a locking problem when someone 717 * wakes us up via a connector. We should never go into suspend 718 * while the display is on anyways. 719 */ 720 if (runtime) 721 return; 722 723 drm_helper_resume_force_mode(dev); 724 725 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 726 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 727 728 if (!nv_crtc->cursor.nvbo) 729 continue; 730 731 if (nv_crtc->cursor.set_offset) 732 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset); 733 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 734 nv_crtc->cursor_saved_y); 735 } 736 } 737 738 static int 739 nouveau_page_flip_emit(struct nouveau_channel *chan, 740 struct nouveau_bo *old_bo, 741 struct nouveau_bo *new_bo, 742 struct nouveau_page_flip_state *s, 743 struct nouveau_fence **pfence) 744 { 745 struct nouveau_fence_chan *fctx = chan->fence; 746 struct nouveau_drm *drm = chan->drm; 747 struct drm_device *dev = drm->dev; 748 unsigned long flags; 749 int ret; 750 751 /* Queue it to the pending list */ 752 spin_lock_irqsave(&dev->event_lock, flags); 753 list_add_tail(&s->head, &fctx->flip); 754 spin_unlock_irqrestore(&dev->event_lock, flags); 755 756 /* Synchronize with the old framebuffer */ 757 ret = nouveau_fence_sync(old_bo, chan, false, false); 758 if (ret) 759 goto fail; 760 761 /* Emit the pageflip */ 762 ret = RING_SPACE(chan, 2); 763 if (ret) 764 goto fail; 765 766 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 767 OUT_RING (chan, 0x00000000); 768 FIRE_RING (chan); 769 770 ret = nouveau_fence_new(chan, false, pfence); 771 if (ret) 772 goto fail; 773 774 return 0; 775 fail: 776 spin_lock_irqsave(&dev->event_lock, flags); 777 list_del(&s->head); 778 spin_unlock_irqrestore(&dev->event_lock, flags); 779 return ret; 780 } 781 782 int 783 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 784 struct drm_pending_vblank_event *event, u32 flags, 785 struct drm_modeset_acquire_ctx *ctx) 786 { 787 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 788 struct drm_device *dev = crtc->dev; 789 struct nouveau_drm *drm = nouveau_drm(dev); 790 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 791 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 792 struct nouveau_page_flip_state *s; 793 struct nouveau_channel *chan; 794 struct nouveau_cli *cli; 795 struct nouveau_fence *fence; 796 struct nv04_display *dispnv04 = nv04_display(dev); 797 int head = nouveau_crtc(crtc)->index; 798 int ret; 799 800 chan = drm->channel; 801 if (!chan) 802 return -ENODEV; 803 cli = (void *)chan->user.client; 804 805 s = kzalloc(sizeof(*s), GFP_KERNEL); 806 if (!s) 807 return -ENOMEM; 808 809 if (new_bo != old_bo) { 810 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true); 811 if (ret) 812 goto fail_free; 813 } 814 815 mutex_lock(&cli->mutex); 816 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL); 817 if (ret) 818 goto fail_unpin; 819 820 /* synchronise rendering channel with the kernel's channel */ 821 ret = nouveau_fence_sync(new_bo, chan, false, true); 822 if (ret) { 823 ttm_bo_unreserve(&new_bo->bo); 824 goto fail_unpin; 825 } 826 827 if (new_bo != old_bo) { 828 ttm_bo_unreserve(&new_bo->bo); 829 830 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL); 831 if (ret) 832 goto fail_unpin; 833 } 834 835 /* Initialize a page flip struct */ 836 *s = (struct nouveau_page_flip_state) 837 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0], 838 new_bo->bo.offset }; 839 840 /* Keep vblanks on during flip, for the target crtc of this flip */ 841 drm_crtc_vblank_get(crtc); 842 843 /* Emit a page flip */ 844 if (swap_interval) { 845 ret = RING_SPACE(chan, 8); 846 if (ret) 847 goto fail_unreserve; 848 849 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 850 OUT_RING (chan, 0); 851 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 852 OUT_RING (chan, head); 853 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 854 OUT_RING (chan, 0); 855 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 856 OUT_RING (chan, 0); 857 } 858 859 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 860 861 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 862 if (ret) 863 goto fail_unreserve; 864 mutex_unlock(&cli->mutex); 865 866 /* Update the crtc struct and cleanup */ 867 crtc->primary->fb = fb; 868 869 nouveau_bo_fence(old_bo, fence, false); 870 ttm_bo_unreserve(&old_bo->bo); 871 if (old_bo != new_bo) 872 nouveau_bo_unpin(old_bo); 873 nouveau_fence_unref(&fence); 874 return 0; 875 876 fail_unreserve: 877 drm_crtc_vblank_put(crtc); 878 ttm_bo_unreserve(&old_bo->bo); 879 fail_unpin: 880 mutex_unlock(&cli->mutex); 881 if (old_bo != new_bo) 882 nouveau_bo_unpin(new_bo); 883 fail_free: 884 kfree(s); 885 return ret; 886 } 887 888 int 889 nouveau_finish_page_flip(struct nouveau_channel *chan, 890 struct nouveau_page_flip_state *ps) 891 { 892 struct nouveau_fence_chan *fctx = chan->fence; 893 struct nouveau_drm *drm = chan->drm; 894 struct drm_device *dev = drm->dev; 895 struct nouveau_page_flip_state *s; 896 unsigned long flags; 897 898 spin_lock_irqsave(&dev->event_lock, flags); 899 900 if (list_empty(&fctx->flip)) { 901 NV_ERROR(drm, "unexpected pageflip\n"); 902 spin_unlock_irqrestore(&dev->event_lock, flags); 903 return -EINVAL; 904 } 905 906 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 907 if (s->event) { 908 drm_crtc_arm_vblank_event(s->crtc, s->event); 909 } else { 910 /* Give up ownership of vblank for page-flipped crtc */ 911 drm_crtc_vblank_put(s->crtc); 912 } 913 914 list_del(&s->head); 915 if (ps) 916 *ps = *s; 917 kfree(s); 918 919 spin_unlock_irqrestore(&dev->event_lock, flags); 920 return 0; 921 } 922 923 int 924 nouveau_flip_complete(struct nvif_notify *notify) 925 { 926 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip); 927 struct nouveau_channel *chan = drm->channel; 928 struct nouveau_page_flip_state state; 929 930 if (!nouveau_finish_page_flip(chan, &state)) { 931 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), 932 state.offset + state.crtc->y * 933 state.pitch + state.crtc->x * 934 state.bpp / 8); 935 } 936 937 return NVIF_NOTIFY_KEEP; 938 } 939 940 int 941 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 942 struct drm_mode_create_dumb *args) 943 { 944 struct nouveau_cli *cli = nouveau_cli(file_priv); 945 struct nouveau_bo *bo; 946 uint32_t domain; 947 int ret; 948 949 args->pitch = roundup(args->width * (args->bpp / 8), 256); 950 args->size = args->pitch * args->height; 951 args->size = roundup(args->size, PAGE_SIZE); 952 953 /* Use VRAM if there is any ; otherwise fallback to system memory */ 954 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 955 domain = NOUVEAU_GEM_DOMAIN_VRAM; 956 else 957 domain = NOUVEAU_GEM_DOMAIN_GART; 958 959 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 960 if (ret) 961 return ret; 962 963 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 964 drm_gem_object_unreference_unlocked(&bo->gem); 965 return ret; 966 } 967 968 int 969 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 970 struct drm_device *dev, 971 uint32_t handle, uint64_t *poffset) 972 { 973 struct drm_gem_object *gem; 974 975 gem = drm_gem_object_lookup(file_priv, handle); 976 if (gem) { 977 struct nouveau_bo *bo = nouveau_gem_object(gem); 978 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 979 drm_gem_object_unreference_unlocked(gem); 980 return 0; 981 } 982 983 return -ENOENT; 984 } 985