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 34 #include <nvif/class.h> 35 36 #include "nouveau_fbcon.h" 37 #include "dispnv04/hw.h" 38 #include "nouveau_crtc.h" 39 #include "nouveau_dma.h" 40 #include "nouveau_gem.h" 41 #include "nouveau_connector.h" 42 #include "nv50_display.h" 43 44 #include "nouveau_fence.h" 45 46 #include <nvif/cl0046.h> 47 #include <nvif/event.h> 48 49 static int 50 nouveau_display_vblank_handler(struct nvif_notify *notify) 51 { 52 struct nouveau_crtc *nv_crtc = 53 container_of(notify, typeof(*nv_crtc), vblank); 54 drm_crtc_handle_vblank(&nv_crtc->base); 55 return NVIF_NOTIFY_KEEP; 56 } 57 58 int 59 nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe) 60 { 61 struct drm_crtc *crtc; 62 struct nouveau_crtc *nv_crtc; 63 64 crtc = drm_crtc_from_index(dev, pipe); 65 if (!crtc) 66 return -EINVAL; 67 68 nv_crtc = nouveau_crtc(crtc); 69 nvif_notify_get(&nv_crtc->vblank); 70 71 return 0; 72 } 73 74 void 75 nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe) 76 { 77 struct drm_crtc *crtc; 78 struct nouveau_crtc *nv_crtc; 79 80 crtc = drm_crtc_from_index(dev, pipe); 81 if (!crtc) 82 return; 83 84 nv_crtc = nouveau_crtc(crtc); 85 nvif_notify_put(&nv_crtc->vblank); 86 } 87 88 static inline int 89 calc(int blanks, int blanke, int total, int line) 90 { 91 if (blanke >= blanks) { 92 if (line >= blanks) 93 line -= total; 94 } else { 95 if (line >= blanks) 96 line -= total; 97 line -= blanke + 1; 98 } 99 return line; 100 } 101 102 static bool 103 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 104 ktime_t *stime, ktime_t *etime) 105 { 106 struct { 107 struct nv04_disp_mthd_v0 base; 108 struct nv04_disp_scanoutpos_v0 scan; 109 } args = { 110 .base.method = NV04_DISP_SCANOUTPOS, 111 .base.head = nouveau_crtc(crtc)->index, 112 }; 113 struct nouveau_display *disp = nouveau_display(crtc->dev); 114 struct drm_vblank_crtc *vblank = &crtc->dev->vblank[drm_crtc_index(crtc)]; 115 int retry = 20; 116 bool ret = false; 117 118 do { 119 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args)); 120 if (ret != 0) 121 return false; 122 123 if (args.scan.vline) { 124 ret = true; 125 break; 126 } 127 128 if (retry) ndelay(vblank->linedur_ns); 129 } while (retry--); 130 131 *hpos = args.scan.hline; 132 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 133 args.scan.vtotal, args.scan.vline); 134 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 135 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 136 137 return ret; 138 } 139 140 bool 141 nouveau_display_scanoutpos(struct drm_device *dev, unsigned int pipe, 142 bool in_vblank_irq, int *vpos, int *hpos, 143 ktime_t *stime, ktime_t *etime, 144 const struct drm_display_mode *mode) 145 { 146 struct drm_crtc *crtc; 147 148 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 149 if (nouveau_crtc(crtc)->index == pipe) { 150 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 151 stime, etime); 152 } 153 } 154 155 return false; 156 } 157 158 static void 159 nouveau_display_vblank_fini(struct drm_device *dev) 160 { 161 struct drm_crtc *crtc; 162 163 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 164 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 165 nvif_notify_fini(&nv_crtc->vblank); 166 } 167 } 168 169 static int 170 nouveau_display_vblank_init(struct drm_device *dev) 171 { 172 struct nouveau_display *disp = nouveau_display(dev); 173 struct drm_crtc *crtc; 174 int ret; 175 176 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 177 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 178 ret = nvif_notify_init(&disp->disp, 179 nouveau_display_vblank_handler, false, 180 NV04_DISP_NTFY_VBLANK, 181 &(struct nvif_notify_head_req_v0) { 182 .head = nv_crtc->index, 183 }, 184 sizeof(struct nvif_notify_head_req_v0), 185 sizeof(struct nvif_notify_head_rep_v0), 186 &nv_crtc->vblank); 187 if (ret) { 188 nouveau_display_vblank_fini(dev); 189 return ret; 190 } 191 } 192 193 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 194 if (ret) { 195 nouveau_display_vblank_fini(dev); 196 return ret; 197 } 198 199 return 0; 200 } 201 202 static void 203 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 204 { 205 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 206 207 if (fb->nvbo) 208 drm_gem_object_unreference_unlocked(&fb->nvbo->gem); 209 210 drm_framebuffer_cleanup(drm_fb); 211 kfree(fb); 212 } 213 214 static int 215 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 216 struct drm_file *file_priv, 217 unsigned int *handle) 218 { 219 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 220 221 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); 222 } 223 224 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 225 .destroy = nouveau_user_framebuffer_destroy, 226 .create_handle = nouveau_user_framebuffer_create_handle, 227 }; 228 229 int 230 nouveau_framebuffer_new(struct drm_device *dev, 231 const struct drm_mode_fb_cmd2 *mode_cmd, 232 struct nouveau_bo *nvbo, 233 struct nouveau_framebuffer **pfb) 234 { 235 struct nouveau_drm *drm = nouveau_drm(dev); 236 struct nouveau_framebuffer *fb; 237 int ret; 238 239 /* YUV overlays have special requirements pre-NV50 */ 240 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA && 241 242 (mode_cmd->pixel_format == DRM_FORMAT_YUYV || 243 mode_cmd->pixel_format == DRM_FORMAT_UYVY || 244 mode_cmd->pixel_format == DRM_FORMAT_NV12 || 245 mode_cmd->pixel_format == DRM_FORMAT_NV21) && 246 (mode_cmd->pitches[0] & 0x3f || /* align 64 */ 247 mode_cmd->pitches[0] >= 0x10000 || /* at most 64k pitch */ 248 (mode_cmd->pitches[1] && /* pitches for planes must match */ 249 mode_cmd->pitches[0] != mode_cmd->pitches[1]))) { 250 struct drm_format_name_buf format_name; 251 DRM_DEBUG_KMS("Unsuitable framebuffer: format: %s; pitches: 0x%x\n 0x%x\n", 252 drm_get_format_name(mode_cmd->pixel_format, 253 &format_name), 254 mode_cmd->pitches[0], 255 mode_cmd->pitches[1]); 256 return -EINVAL; 257 } 258 259 if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL))) 260 return -ENOMEM; 261 262 drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd); 263 fb->nvbo = nvbo; 264 265 ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs); 266 if (ret) 267 kfree(fb); 268 return ret; 269 } 270 271 struct drm_framebuffer * 272 nouveau_user_framebuffer_create(struct drm_device *dev, 273 struct drm_file *file_priv, 274 const struct drm_mode_fb_cmd2 *mode_cmd) 275 { 276 struct nouveau_framebuffer *fb; 277 struct nouveau_bo *nvbo; 278 struct drm_gem_object *gem; 279 int ret; 280 281 gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]); 282 if (!gem) 283 return ERR_PTR(-ENOENT); 284 nvbo = nouveau_gem_object(gem); 285 286 ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb); 287 if (ret == 0) 288 return &fb->base; 289 290 drm_gem_object_unreference_unlocked(gem); 291 return ERR_PTR(ret); 292 } 293 294 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 295 .fb_create = nouveau_user_framebuffer_create, 296 .output_poll_changed = drm_fb_helper_output_poll_changed, 297 }; 298 299 300 struct nouveau_drm_prop_enum_list { 301 u8 gen_mask; 302 int type; 303 char *name; 304 }; 305 306 static struct nouveau_drm_prop_enum_list underscan[] = { 307 { 6, UNDERSCAN_AUTO, "auto" }, 308 { 6, UNDERSCAN_OFF, "off" }, 309 { 6, UNDERSCAN_ON, "on" }, 310 {} 311 }; 312 313 static struct nouveau_drm_prop_enum_list dither_mode[] = { 314 { 7, DITHERING_MODE_AUTO, "auto" }, 315 { 7, DITHERING_MODE_OFF, "off" }, 316 { 1, DITHERING_MODE_ON, "on" }, 317 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 318 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 319 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 320 {} 321 }; 322 323 static struct nouveau_drm_prop_enum_list dither_depth[] = { 324 { 6, DITHERING_DEPTH_AUTO, "auto" }, 325 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 326 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 327 {} 328 }; 329 330 #define PROP_ENUM(p,gen,n,list) do { \ 331 struct nouveau_drm_prop_enum_list *l = (list); \ 332 int c = 0; \ 333 while (l->gen_mask) { \ 334 if (l->gen_mask & (1 << (gen))) \ 335 c++; \ 336 l++; \ 337 } \ 338 if (c) { \ 339 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 340 l = (list); \ 341 c = 0; \ 342 while (p && l->gen_mask) { \ 343 if (l->gen_mask & (1 << (gen))) { \ 344 drm_property_add_enum(p, c, l->type, l->name); \ 345 c++; \ 346 } \ 347 l++; \ 348 } \ 349 } \ 350 } while(0) 351 352 static void 353 nouveau_display_hpd_work(struct work_struct *work) 354 { 355 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 356 357 pm_runtime_get_sync(drm->dev->dev); 358 359 drm_helper_hpd_irq_event(drm->dev); 360 /* enable polling for external displays */ 361 drm_kms_helper_poll_enable(drm->dev); 362 363 pm_runtime_mark_last_busy(drm->dev->dev); 364 pm_runtime_put_sync(drm->dev->dev); 365 } 366 367 #ifdef CONFIG_ACPI 368 369 /* 370 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch 371 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c . 372 * This should be dropped once that is merged. 373 */ 374 #ifndef ACPI_VIDEO_NOTIFY_PROBE 375 #define ACPI_VIDEO_NOTIFY_PROBE 0x81 376 #endif 377 378 static int 379 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 380 void *data) 381 { 382 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 383 struct acpi_bus_event *info = data; 384 385 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 386 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 387 /* 388 * This may be the only indication we receive of a 389 * connector hotplug on a runtime suspended GPU, 390 * schedule hpd_work to check. 391 */ 392 schedule_work(&drm->hpd_work); 393 394 /* acpi-video should not generate keypresses for this */ 395 return NOTIFY_BAD; 396 } 397 } 398 399 return NOTIFY_DONE; 400 } 401 #endif 402 403 int 404 nouveau_display_init(struct drm_device *dev) 405 { 406 struct nouveau_display *disp = nouveau_display(dev); 407 struct nouveau_drm *drm = nouveau_drm(dev); 408 struct drm_connector *connector; 409 int ret; 410 411 ret = disp->init(dev); 412 if (ret) 413 return ret; 414 415 /* enable hotplug interrupts */ 416 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 417 struct nouveau_connector *conn = nouveau_connector(connector); 418 nvif_notify_get(&conn->hpd); 419 } 420 421 /* enable flip completion events */ 422 nvif_notify_get(&drm->flip); 423 return ret; 424 } 425 426 void 427 nouveau_display_fini(struct drm_device *dev, bool suspend) 428 { 429 struct nouveau_display *disp = nouveau_display(dev); 430 struct nouveau_drm *drm = nouveau_drm(dev); 431 struct drm_connector *connector; 432 433 if (!suspend) { 434 if (drm_drv_uses_atomic_modeset(dev)) 435 drm_atomic_helper_shutdown(dev); 436 else 437 drm_crtc_force_disable_all(dev); 438 } 439 440 /* disable flip completion events */ 441 nvif_notify_put(&drm->flip); 442 443 /* disable hotplug interrupts */ 444 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 445 struct nouveau_connector *conn = nouveau_connector(connector); 446 nvif_notify_put(&conn->hpd); 447 } 448 449 drm_kms_helper_poll_disable(dev); 450 disp->fini(dev); 451 } 452 453 static void 454 nouveau_display_create_properties(struct drm_device *dev) 455 { 456 struct nouveau_display *disp = nouveau_display(dev); 457 int gen; 458 459 if (disp->disp.oclass < NV50_DISP) 460 gen = 0; 461 else 462 if (disp->disp.oclass < GF110_DISP) 463 gen = 1; 464 else 465 gen = 2; 466 467 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 468 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 469 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 470 471 disp->underscan_hborder_property = 472 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 473 474 disp->underscan_vborder_property = 475 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 476 477 if (gen < 1) 478 return; 479 480 /* -90..+90 */ 481 disp->vibrant_hue_property = 482 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 483 484 /* -100..+100 */ 485 disp->color_vibrance_property = 486 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 487 } 488 489 int 490 nouveau_display_create(struct drm_device *dev) 491 { 492 struct nouveau_drm *drm = nouveau_drm(dev); 493 struct nvkm_device *device = nvxx_device(&drm->client.device); 494 struct nouveau_display *disp; 495 int ret; 496 497 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 498 if (!disp) 499 return -ENOMEM; 500 501 drm_mode_config_init(dev); 502 drm_mode_create_scaling_mode_property(dev); 503 drm_mode_create_dvi_i_properties(dev); 504 505 dev->mode_config.funcs = &nouveau_mode_config_funcs; 506 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 507 508 dev->mode_config.min_width = 0; 509 dev->mode_config.min_height = 0; 510 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 511 dev->mode_config.max_width = 2048; 512 dev->mode_config.max_height = 2048; 513 } else 514 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 515 dev->mode_config.max_width = 4096; 516 dev->mode_config.max_height = 4096; 517 } else 518 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 519 dev->mode_config.max_width = 8192; 520 dev->mode_config.max_height = 8192; 521 } else { 522 dev->mode_config.max_width = 16384; 523 dev->mode_config.max_height = 16384; 524 } 525 526 dev->mode_config.preferred_depth = 24; 527 dev->mode_config.prefer_shadow = 1; 528 529 if (drm->client.device.info.chipset < 0x11) 530 dev->mode_config.async_page_flip = false; 531 else 532 dev->mode_config.async_page_flip = true; 533 534 drm_kms_helper_poll_init(dev); 535 drm_kms_helper_poll_disable(dev); 536 537 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 538 static const u16 oclass[] = { 539 GP102_DISP, 540 GP100_DISP, 541 GM200_DISP, 542 GM107_DISP, 543 GK110_DISP, 544 GK104_DISP, 545 GF110_DISP, 546 GT214_DISP, 547 GT206_DISP, 548 GT200_DISP, 549 G82_DISP, 550 NV50_DISP, 551 NV04_DISP, 552 }; 553 int i; 554 555 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { 556 ret = nvif_object_init(&drm->client.device.object, 0, 557 oclass[i], NULL, 0, &disp->disp); 558 } 559 560 if (ret == 0) { 561 nouveau_display_create_properties(dev); 562 if (disp->disp.oclass < NV50_DISP) 563 ret = nv04_display_create(dev); 564 else 565 ret = nv50_display_create(dev); 566 } 567 } else { 568 ret = 0; 569 } 570 571 if (ret) 572 goto disp_create_err; 573 574 drm_mode_config_reset(dev); 575 576 if (dev->mode_config.num_crtc) { 577 ret = nouveau_display_vblank_init(dev); 578 if (ret) 579 goto vblank_err; 580 } 581 582 nouveau_backlight_init(dev); 583 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 584 #ifdef CONFIG_ACPI 585 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 586 register_acpi_notifier(&drm->acpi_nb); 587 #endif 588 589 return 0; 590 591 vblank_err: 592 disp->dtor(dev); 593 disp_create_err: 594 drm_kms_helper_poll_fini(dev); 595 drm_mode_config_cleanup(dev); 596 return ret; 597 } 598 599 void 600 nouveau_display_destroy(struct drm_device *dev) 601 { 602 struct nouveau_display *disp = nouveau_display(dev); 603 604 #ifdef CONFIG_ACPI 605 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 606 #endif 607 nouveau_backlight_exit(dev); 608 nouveau_display_vblank_fini(dev); 609 610 drm_kms_helper_poll_fini(dev); 611 drm_mode_config_cleanup(dev); 612 613 if (disp->dtor) 614 disp->dtor(dev); 615 616 nvif_object_fini(&disp->disp); 617 618 nouveau_drm(dev)->display = NULL; 619 kfree(disp); 620 } 621 622 int 623 nouveau_display_suspend(struct drm_device *dev, bool runtime) 624 { 625 struct nouveau_display *disp = nouveau_display(dev); 626 struct drm_crtc *crtc; 627 628 if (drm_drv_uses_atomic_modeset(dev)) { 629 if (!runtime) { 630 disp->suspend = drm_atomic_helper_suspend(dev); 631 if (IS_ERR(disp->suspend)) { 632 int ret = PTR_ERR(disp->suspend); 633 disp->suspend = NULL; 634 return ret; 635 } 636 } 637 638 nouveau_display_fini(dev, true); 639 return 0; 640 } 641 642 nouveau_display_fini(dev, true); 643 644 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 645 struct nouveau_framebuffer *nouveau_fb; 646 647 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 648 if (!nouveau_fb || !nouveau_fb->nvbo) 649 continue; 650 651 nouveau_bo_unpin(nouveau_fb->nvbo); 652 } 653 654 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 655 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 656 if (nv_crtc->cursor.nvbo) { 657 if (nv_crtc->cursor.set_offset) 658 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 659 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 660 } 661 } 662 663 return 0; 664 } 665 666 void 667 nouveau_display_resume(struct drm_device *dev, bool runtime) 668 { 669 struct nouveau_display *disp = nouveau_display(dev); 670 struct nouveau_drm *drm = nouveau_drm(dev); 671 struct drm_crtc *crtc; 672 int ret; 673 674 if (drm_drv_uses_atomic_modeset(dev)) { 675 nouveau_display_init(dev); 676 if (disp->suspend) { 677 drm_atomic_helper_resume(dev, disp->suspend); 678 disp->suspend = NULL; 679 } 680 return; 681 } 682 683 /* re-pin fb/cursors */ 684 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 685 struct nouveau_framebuffer *nouveau_fb; 686 687 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 688 if (!nouveau_fb || !nouveau_fb->nvbo) 689 continue; 690 691 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true); 692 if (ret) 693 NV_ERROR(drm, "Could not pin framebuffer\n"); 694 } 695 696 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 697 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 698 if (!nv_crtc->cursor.nvbo) 699 continue; 700 701 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true); 702 if (!ret && nv_crtc->cursor.set_offset) 703 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 704 if (ret) 705 NV_ERROR(drm, "Could not pin/map cursor.\n"); 706 } 707 708 nouveau_display_init(dev); 709 710 /* Force CLUT to get re-loaded during modeset */ 711 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 712 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 713 714 nv_crtc->lut.depth = 0; 715 } 716 717 /* This should ensure we don't hit a locking problem when someone 718 * wakes us up via a connector. We should never go into suspend 719 * while the display is on anyways. 720 */ 721 if (runtime) 722 return; 723 724 drm_helper_resume_force_mode(dev); 725 726 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 727 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 728 729 if (!nv_crtc->cursor.nvbo) 730 continue; 731 732 if (nv_crtc->cursor.set_offset) 733 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset); 734 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 735 nv_crtc->cursor_saved_y); 736 } 737 } 738 739 static int 740 nouveau_page_flip_emit(struct nouveau_channel *chan, 741 struct nouveau_bo *old_bo, 742 struct nouveau_bo *new_bo, 743 struct nouveau_page_flip_state *s, 744 struct nouveau_fence **pfence) 745 { 746 struct nouveau_fence_chan *fctx = chan->fence; 747 struct nouveau_drm *drm = chan->drm; 748 struct drm_device *dev = drm->dev; 749 unsigned long flags; 750 int ret; 751 752 /* Queue it to the pending list */ 753 spin_lock_irqsave(&dev->event_lock, flags); 754 list_add_tail(&s->head, &fctx->flip); 755 spin_unlock_irqrestore(&dev->event_lock, flags); 756 757 /* Synchronize with the old framebuffer */ 758 ret = nouveau_fence_sync(old_bo, chan, false, false); 759 if (ret) 760 goto fail; 761 762 /* Emit the pageflip */ 763 ret = RING_SPACE(chan, 2); 764 if (ret) 765 goto fail; 766 767 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 768 OUT_RING (chan, 0x00000000); 769 FIRE_RING (chan); 770 771 ret = nouveau_fence_new(chan, false, pfence); 772 if (ret) 773 goto fail; 774 775 return 0; 776 fail: 777 spin_lock_irqsave(&dev->event_lock, flags); 778 list_del(&s->head); 779 spin_unlock_irqrestore(&dev->event_lock, flags); 780 return ret; 781 } 782 783 int 784 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 785 struct drm_pending_vblank_event *event, u32 flags, 786 struct drm_modeset_acquire_ctx *ctx) 787 { 788 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 789 struct drm_device *dev = crtc->dev; 790 struct nouveau_drm *drm = nouveau_drm(dev); 791 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 792 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 793 struct nouveau_page_flip_state *s; 794 struct nouveau_channel *chan; 795 struct nouveau_cli *cli; 796 struct nouveau_fence *fence; 797 struct nv04_display *dispnv04 = nv04_display(dev); 798 int head = nouveau_crtc(crtc)->index; 799 int ret; 800 801 chan = drm->channel; 802 if (!chan) 803 return -ENODEV; 804 cli = (void *)chan->user.client; 805 806 s = kzalloc(sizeof(*s), GFP_KERNEL); 807 if (!s) 808 return -ENOMEM; 809 810 if (new_bo != old_bo) { 811 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true); 812 if (ret) 813 goto fail_free; 814 } 815 816 mutex_lock(&cli->mutex); 817 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL); 818 if (ret) 819 goto fail_unpin; 820 821 /* synchronise rendering channel with the kernel's channel */ 822 ret = nouveau_fence_sync(new_bo, chan, false, true); 823 if (ret) { 824 ttm_bo_unreserve(&new_bo->bo); 825 goto fail_unpin; 826 } 827 828 if (new_bo != old_bo) { 829 ttm_bo_unreserve(&new_bo->bo); 830 831 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL); 832 if (ret) 833 goto fail_unpin; 834 } 835 836 /* Initialize a page flip struct */ 837 *s = (struct nouveau_page_flip_state) 838 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0], 839 new_bo->bo.offset }; 840 841 /* Keep vblanks on during flip, for the target crtc of this flip */ 842 drm_crtc_vblank_get(crtc); 843 844 /* Emit a page flip */ 845 if (swap_interval) { 846 ret = RING_SPACE(chan, 8); 847 if (ret) 848 goto fail_unreserve; 849 850 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 851 OUT_RING (chan, 0); 852 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 853 OUT_RING (chan, head); 854 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 855 OUT_RING (chan, 0); 856 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 857 OUT_RING (chan, 0); 858 } 859 860 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 861 862 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 863 if (ret) 864 goto fail_unreserve; 865 mutex_unlock(&cli->mutex); 866 867 /* Update the crtc struct and cleanup */ 868 crtc->primary->fb = fb; 869 870 nouveau_bo_fence(old_bo, fence, false); 871 ttm_bo_unreserve(&old_bo->bo); 872 if (old_bo != new_bo) 873 nouveau_bo_unpin(old_bo); 874 nouveau_fence_unref(&fence); 875 return 0; 876 877 fail_unreserve: 878 drm_crtc_vblank_put(crtc); 879 ttm_bo_unreserve(&old_bo->bo); 880 fail_unpin: 881 mutex_unlock(&cli->mutex); 882 if (old_bo != new_bo) 883 nouveau_bo_unpin(new_bo); 884 fail_free: 885 kfree(s); 886 return ret; 887 } 888 889 int 890 nouveau_finish_page_flip(struct nouveau_channel *chan, 891 struct nouveau_page_flip_state *ps) 892 { 893 struct nouveau_fence_chan *fctx = chan->fence; 894 struct nouveau_drm *drm = chan->drm; 895 struct drm_device *dev = drm->dev; 896 struct nouveau_page_flip_state *s; 897 unsigned long flags; 898 899 spin_lock_irqsave(&dev->event_lock, flags); 900 901 if (list_empty(&fctx->flip)) { 902 NV_ERROR(drm, "unexpected pageflip\n"); 903 spin_unlock_irqrestore(&dev->event_lock, flags); 904 return -EINVAL; 905 } 906 907 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 908 if (s->event) { 909 drm_crtc_arm_vblank_event(s->crtc, s->event); 910 } else { 911 /* Give up ownership of vblank for page-flipped crtc */ 912 drm_crtc_vblank_put(s->crtc); 913 } 914 915 list_del(&s->head); 916 if (ps) 917 *ps = *s; 918 kfree(s); 919 920 spin_unlock_irqrestore(&dev->event_lock, flags); 921 return 0; 922 } 923 924 int 925 nouveau_flip_complete(struct nvif_notify *notify) 926 { 927 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip); 928 struct nouveau_channel *chan = drm->channel; 929 struct nouveau_page_flip_state state; 930 931 if (!nouveau_finish_page_flip(chan, &state)) { 932 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), 933 state.offset + state.crtc->y * 934 state.pitch + state.crtc->x * 935 state.bpp / 8); 936 } 937 938 return NVIF_NOTIFY_KEEP; 939 } 940 941 int 942 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 943 struct drm_mode_create_dumb *args) 944 { 945 struct nouveau_cli *cli = nouveau_cli(file_priv); 946 struct nouveau_bo *bo; 947 uint32_t domain; 948 int ret; 949 950 args->pitch = roundup(args->width * (args->bpp / 8), 256); 951 args->size = args->pitch * args->height; 952 args->size = roundup(args->size, PAGE_SIZE); 953 954 /* Use VRAM if there is any ; otherwise fallback to system memory */ 955 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 956 domain = NOUVEAU_GEM_DOMAIN_VRAM; 957 else 958 domain = NOUVEAU_GEM_DOMAIN_GART; 959 960 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 961 if (ret) 962 return ret; 963 964 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 965 drm_gem_object_unreference_unlocked(&bo->gem); 966 return ret; 967 } 968 969 int 970 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 971 struct drm_device *dev, 972 uint32_t handle, uint64_t *poffset) 973 { 974 struct drm_gem_object *gem; 975 976 gem = drm_gem_object_lookup(file_priv, handle); 977 if (gem) { 978 struct nouveau_bo *bo = nouveau_gem_object(gem); 979 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 980 drm_gem_object_unreference_unlocked(gem); 981 return 0; 982 } 983 984 return -ENOENT; 985 } 986