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.object, 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.object, 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 while (p && l->gen_mask) { \ 342 if (l->gen_mask & (1 << (gen))) { \ 343 drm_property_add_enum(p, l->type, l->name); \ 344 } \ 345 l++; \ 346 } \ 347 } \ 348 } while(0) 349 350 static void 351 nouveau_display_hpd_work(struct work_struct *work) 352 { 353 struct nouveau_drm *drm = container_of(work, typeof(*drm), hpd_work); 354 355 pm_runtime_get_sync(drm->dev->dev); 356 357 drm_helper_hpd_irq_event(drm->dev); 358 /* enable polling for external displays */ 359 drm_kms_helper_poll_enable(drm->dev); 360 361 pm_runtime_mark_last_busy(drm->dev->dev); 362 pm_runtime_put_sync(drm->dev->dev); 363 } 364 365 #ifdef CONFIG_ACPI 366 367 /* 368 * Hans de Goede: This define belongs in acpi/video.h, I've submitted a patch 369 * to the acpi subsys to move it there from drivers/acpi/acpi_video.c . 370 * This should be dropped once that is merged. 371 */ 372 #ifndef ACPI_VIDEO_NOTIFY_PROBE 373 #define ACPI_VIDEO_NOTIFY_PROBE 0x81 374 #endif 375 376 static int 377 nouveau_display_acpi_ntfy(struct notifier_block *nb, unsigned long val, 378 void *data) 379 { 380 struct nouveau_drm *drm = container_of(nb, typeof(*drm), acpi_nb); 381 struct acpi_bus_event *info = data; 382 383 if (!strcmp(info->device_class, ACPI_VIDEO_CLASS)) { 384 if (info->type == ACPI_VIDEO_NOTIFY_PROBE) { 385 /* 386 * This may be the only indication we receive of a 387 * connector hotplug on a runtime suspended GPU, 388 * schedule hpd_work to check. 389 */ 390 schedule_work(&drm->hpd_work); 391 392 /* acpi-video should not generate keypresses for this */ 393 return NOTIFY_BAD; 394 } 395 } 396 397 return NOTIFY_DONE; 398 } 399 #endif 400 401 int 402 nouveau_display_init(struct drm_device *dev) 403 { 404 struct nouveau_display *disp = nouveau_display(dev); 405 struct nouveau_drm *drm = nouveau_drm(dev); 406 struct drm_connector *connector; 407 int ret; 408 409 ret = disp->init(dev); 410 if (ret) 411 return ret; 412 413 /* enable hotplug interrupts */ 414 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 415 struct nouveau_connector *conn = nouveau_connector(connector); 416 nvif_notify_get(&conn->hpd); 417 } 418 419 /* enable flip completion events */ 420 nvif_notify_get(&drm->flip); 421 return ret; 422 } 423 424 void 425 nouveau_display_fini(struct drm_device *dev, bool suspend) 426 { 427 struct nouveau_display *disp = nouveau_display(dev); 428 struct nouveau_drm *drm = nouveau_drm(dev); 429 struct drm_connector *connector; 430 431 if (!suspend) { 432 if (drm_drv_uses_atomic_modeset(dev)) 433 drm_atomic_helper_shutdown(dev); 434 else 435 drm_crtc_force_disable_all(dev); 436 } 437 438 /* disable flip completion events */ 439 nvif_notify_put(&drm->flip); 440 441 /* disable hotplug interrupts */ 442 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 443 struct nouveau_connector *conn = nouveau_connector(connector); 444 nvif_notify_put(&conn->hpd); 445 } 446 447 drm_kms_helper_poll_disable(dev); 448 disp->fini(dev); 449 } 450 451 static void 452 nouveau_display_create_properties(struct drm_device *dev) 453 { 454 struct nouveau_display *disp = nouveau_display(dev); 455 int gen; 456 457 if (disp->disp.object.oclass < NV50_DISP) 458 gen = 0; 459 else 460 if (disp->disp.object.oclass < GF110_DISP) 461 gen = 1; 462 else 463 gen = 2; 464 465 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 466 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 467 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 468 469 disp->underscan_hborder_property = 470 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 471 472 disp->underscan_vborder_property = 473 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 474 475 if (gen < 1) 476 return; 477 478 /* -90..+90 */ 479 disp->vibrant_hue_property = 480 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 481 482 /* -100..+100 */ 483 disp->color_vibrance_property = 484 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 485 } 486 487 int 488 nouveau_display_create(struct drm_device *dev) 489 { 490 struct nouveau_drm *drm = nouveau_drm(dev); 491 struct nvkm_device *device = nvxx_device(&drm->client.device); 492 struct nouveau_display *disp; 493 int ret; 494 495 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 496 if (!disp) 497 return -ENOMEM; 498 499 drm_mode_config_init(dev); 500 drm_mode_create_scaling_mode_property(dev); 501 drm_mode_create_dvi_i_properties(dev); 502 503 dev->mode_config.funcs = &nouveau_mode_config_funcs; 504 dev->mode_config.fb_base = device->func->resource_addr(device, 1); 505 506 dev->mode_config.min_width = 0; 507 dev->mode_config.min_height = 0; 508 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 509 dev->mode_config.max_width = 2048; 510 dev->mode_config.max_height = 2048; 511 } else 512 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) { 513 dev->mode_config.max_width = 4096; 514 dev->mode_config.max_height = 4096; 515 } else 516 if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI) { 517 dev->mode_config.max_width = 8192; 518 dev->mode_config.max_height = 8192; 519 } else { 520 dev->mode_config.max_width = 16384; 521 dev->mode_config.max_height = 16384; 522 } 523 524 dev->mode_config.preferred_depth = 24; 525 dev->mode_config.prefer_shadow = 1; 526 527 if (drm->client.device.info.chipset < 0x11) 528 dev->mode_config.async_page_flip = false; 529 else 530 dev->mode_config.async_page_flip = true; 531 532 drm_kms_helper_poll_init(dev); 533 drm_kms_helper_poll_disable(dev); 534 535 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 536 ret = nvif_disp_ctor(&drm->client.device, 0, &disp->disp); 537 if (ret == 0) { 538 nouveau_display_create_properties(dev); 539 if (disp->disp.object.oclass < NV50_DISP) 540 ret = nv04_display_create(dev); 541 else 542 ret = nv50_display_create(dev); 543 } 544 } else { 545 ret = 0; 546 } 547 548 if (ret) 549 goto disp_create_err; 550 551 drm_mode_config_reset(dev); 552 553 if (dev->mode_config.num_crtc) { 554 ret = nouveau_display_vblank_init(dev); 555 if (ret) 556 goto vblank_err; 557 } 558 559 nouveau_backlight_init(dev); 560 INIT_WORK(&drm->hpd_work, nouveau_display_hpd_work); 561 #ifdef CONFIG_ACPI 562 drm->acpi_nb.notifier_call = nouveau_display_acpi_ntfy; 563 register_acpi_notifier(&drm->acpi_nb); 564 #endif 565 566 return 0; 567 568 vblank_err: 569 disp->dtor(dev); 570 disp_create_err: 571 drm_kms_helper_poll_fini(dev); 572 drm_mode_config_cleanup(dev); 573 return ret; 574 } 575 576 void 577 nouveau_display_destroy(struct drm_device *dev) 578 { 579 struct nouveau_display *disp = nouveau_display(dev); 580 581 #ifdef CONFIG_ACPI 582 unregister_acpi_notifier(&nouveau_drm(dev)->acpi_nb); 583 #endif 584 nouveau_backlight_exit(dev); 585 nouveau_display_vblank_fini(dev); 586 587 drm_kms_helper_poll_fini(dev); 588 drm_mode_config_cleanup(dev); 589 590 if (disp->dtor) 591 disp->dtor(dev); 592 593 nvif_disp_dtor(&disp->disp); 594 595 nouveau_drm(dev)->display = NULL; 596 kfree(disp); 597 } 598 599 int 600 nouveau_display_suspend(struct drm_device *dev, bool runtime) 601 { 602 struct nouveau_display *disp = nouveau_display(dev); 603 struct drm_crtc *crtc; 604 605 if (drm_drv_uses_atomic_modeset(dev)) { 606 if (!runtime) { 607 disp->suspend = drm_atomic_helper_suspend(dev); 608 if (IS_ERR(disp->suspend)) { 609 int ret = PTR_ERR(disp->suspend); 610 disp->suspend = NULL; 611 return ret; 612 } 613 } 614 615 nouveau_display_fini(dev, true); 616 return 0; 617 } 618 619 nouveau_display_fini(dev, true); 620 621 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 622 struct nouveau_framebuffer *nouveau_fb; 623 624 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 625 if (!nouveau_fb || !nouveau_fb->nvbo) 626 continue; 627 628 nouveau_bo_unpin(nouveau_fb->nvbo); 629 } 630 631 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 632 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 633 if (nv_crtc->cursor.nvbo) { 634 if (nv_crtc->cursor.set_offset) 635 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 636 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 637 } 638 } 639 640 return 0; 641 } 642 643 void 644 nouveau_display_resume(struct drm_device *dev, bool runtime) 645 { 646 struct nouveau_display *disp = nouveau_display(dev); 647 struct nouveau_drm *drm = nouveau_drm(dev); 648 struct drm_crtc *crtc; 649 int ret; 650 651 if (drm_drv_uses_atomic_modeset(dev)) { 652 nouveau_display_init(dev); 653 if (disp->suspend) { 654 drm_atomic_helper_resume(dev, disp->suspend); 655 disp->suspend = NULL; 656 } 657 return; 658 } 659 660 /* re-pin fb/cursors */ 661 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 662 struct nouveau_framebuffer *nouveau_fb; 663 664 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 665 if (!nouveau_fb || !nouveau_fb->nvbo) 666 continue; 667 668 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true); 669 if (ret) 670 NV_ERROR(drm, "Could not pin framebuffer\n"); 671 } 672 673 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 674 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 675 if (!nv_crtc->cursor.nvbo) 676 continue; 677 678 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, true); 679 if (!ret && nv_crtc->cursor.set_offset) 680 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 681 if (ret) 682 NV_ERROR(drm, "Could not pin/map cursor.\n"); 683 } 684 685 nouveau_display_init(dev); 686 687 /* Force CLUT to get re-loaded during modeset */ 688 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 689 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 690 691 nv_crtc->lut.depth = 0; 692 } 693 694 /* This should ensure we don't hit a locking problem when someone 695 * wakes us up via a connector. We should never go into suspend 696 * while the display is on anyways. 697 */ 698 if (runtime) 699 return; 700 701 drm_helper_resume_force_mode(dev); 702 703 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 704 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 705 706 if (!nv_crtc->cursor.nvbo) 707 continue; 708 709 if (nv_crtc->cursor.set_offset) 710 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.nvbo->bo.offset); 711 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 712 nv_crtc->cursor_saved_y); 713 } 714 } 715 716 static int 717 nouveau_page_flip_emit(struct nouveau_channel *chan, 718 struct nouveau_bo *old_bo, 719 struct nouveau_bo *new_bo, 720 struct nouveau_page_flip_state *s, 721 struct nouveau_fence **pfence) 722 { 723 struct nouveau_fence_chan *fctx = chan->fence; 724 struct nouveau_drm *drm = chan->drm; 725 struct drm_device *dev = drm->dev; 726 unsigned long flags; 727 int ret; 728 729 /* Queue it to the pending list */ 730 spin_lock_irqsave(&dev->event_lock, flags); 731 list_add_tail(&s->head, &fctx->flip); 732 spin_unlock_irqrestore(&dev->event_lock, flags); 733 734 /* Synchronize with the old framebuffer */ 735 ret = nouveau_fence_sync(old_bo, chan, false, false); 736 if (ret) 737 goto fail; 738 739 /* Emit the pageflip */ 740 ret = RING_SPACE(chan, 2); 741 if (ret) 742 goto fail; 743 744 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 745 OUT_RING (chan, 0x00000000); 746 FIRE_RING (chan); 747 748 ret = nouveau_fence_new(chan, false, pfence); 749 if (ret) 750 goto fail; 751 752 return 0; 753 fail: 754 spin_lock_irqsave(&dev->event_lock, flags); 755 list_del(&s->head); 756 spin_unlock_irqrestore(&dev->event_lock, flags); 757 return ret; 758 } 759 760 int 761 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 762 struct drm_pending_vblank_event *event, u32 flags, 763 struct drm_modeset_acquire_ctx *ctx) 764 { 765 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 766 struct drm_device *dev = crtc->dev; 767 struct nouveau_drm *drm = nouveau_drm(dev); 768 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 769 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 770 struct nouveau_page_flip_state *s; 771 struct nouveau_channel *chan; 772 struct nouveau_cli *cli; 773 struct nouveau_fence *fence; 774 struct nv04_display *dispnv04 = nv04_display(dev); 775 int head = nouveau_crtc(crtc)->index; 776 int ret; 777 778 chan = drm->channel; 779 if (!chan) 780 return -ENODEV; 781 cli = (void *)chan->user.client; 782 783 s = kzalloc(sizeof(*s), GFP_KERNEL); 784 if (!s) 785 return -ENOMEM; 786 787 if (new_bo != old_bo) { 788 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM, true); 789 if (ret) 790 goto fail_free; 791 } 792 793 mutex_lock(&cli->mutex); 794 ret = ttm_bo_reserve(&new_bo->bo, true, false, NULL); 795 if (ret) 796 goto fail_unpin; 797 798 /* synchronise rendering channel with the kernel's channel */ 799 ret = nouveau_fence_sync(new_bo, chan, false, true); 800 if (ret) { 801 ttm_bo_unreserve(&new_bo->bo); 802 goto fail_unpin; 803 } 804 805 if (new_bo != old_bo) { 806 ttm_bo_unreserve(&new_bo->bo); 807 808 ret = ttm_bo_reserve(&old_bo->bo, true, false, NULL); 809 if (ret) 810 goto fail_unpin; 811 } 812 813 /* Initialize a page flip struct */ 814 *s = (struct nouveau_page_flip_state) 815 { { }, event, crtc, fb->format->cpp[0] * 8, fb->pitches[0], 816 new_bo->bo.offset }; 817 818 /* Keep vblanks on during flip, for the target crtc of this flip */ 819 drm_crtc_vblank_get(crtc); 820 821 /* Emit a page flip */ 822 if (swap_interval) { 823 ret = RING_SPACE(chan, 8); 824 if (ret) 825 goto fail_unreserve; 826 827 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 828 OUT_RING (chan, 0); 829 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 830 OUT_RING (chan, head); 831 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 832 OUT_RING (chan, 0); 833 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 834 OUT_RING (chan, 0); 835 } 836 837 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 838 839 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 840 if (ret) 841 goto fail_unreserve; 842 mutex_unlock(&cli->mutex); 843 844 /* Update the crtc struct and cleanup */ 845 crtc->primary->fb = fb; 846 847 nouveau_bo_fence(old_bo, fence, false); 848 ttm_bo_unreserve(&old_bo->bo); 849 if (old_bo != new_bo) 850 nouveau_bo_unpin(old_bo); 851 nouveau_fence_unref(&fence); 852 return 0; 853 854 fail_unreserve: 855 drm_crtc_vblank_put(crtc); 856 ttm_bo_unreserve(&old_bo->bo); 857 fail_unpin: 858 mutex_unlock(&cli->mutex); 859 if (old_bo != new_bo) 860 nouveau_bo_unpin(new_bo); 861 fail_free: 862 kfree(s); 863 return ret; 864 } 865 866 int 867 nouveau_finish_page_flip(struct nouveau_channel *chan, 868 struct nouveau_page_flip_state *ps) 869 { 870 struct nouveau_fence_chan *fctx = chan->fence; 871 struct nouveau_drm *drm = chan->drm; 872 struct drm_device *dev = drm->dev; 873 struct nouveau_page_flip_state *s; 874 unsigned long flags; 875 876 spin_lock_irqsave(&dev->event_lock, flags); 877 878 if (list_empty(&fctx->flip)) { 879 NV_ERROR(drm, "unexpected pageflip\n"); 880 spin_unlock_irqrestore(&dev->event_lock, flags); 881 return -EINVAL; 882 } 883 884 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 885 if (s->event) { 886 drm_crtc_arm_vblank_event(s->crtc, s->event); 887 } else { 888 /* Give up ownership of vblank for page-flipped crtc */ 889 drm_crtc_vblank_put(s->crtc); 890 } 891 892 list_del(&s->head); 893 if (ps) 894 *ps = *s; 895 kfree(s); 896 897 spin_unlock_irqrestore(&dev->event_lock, flags); 898 return 0; 899 } 900 901 int 902 nouveau_flip_complete(struct nvif_notify *notify) 903 { 904 struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip); 905 struct nouveau_channel *chan = drm->channel; 906 struct nouveau_page_flip_state state; 907 908 if (!nouveau_finish_page_flip(chan, &state)) { 909 nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), 910 state.offset + state.crtc->y * 911 state.pitch + state.crtc->x * 912 state.bpp / 8); 913 } 914 915 return NVIF_NOTIFY_KEEP; 916 } 917 918 int 919 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 920 struct drm_mode_create_dumb *args) 921 { 922 struct nouveau_cli *cli = nouveau_cli(file_priv); 923 struct nouveau_bo *bo; 924 uint32_t domain; 925 int ret; 926 927 args->pitch = roundup(args->width * (args->bpp / 8), 256); 928 args->size = args->pitch * args->height; 929 args->size = roundup(args->size, PAGE_SIZE); 930 931 /* Use VRAM if there is any ; otherwise fallback to system memory */ 932 if (nouveau_drm(dev)->client.device.info.ram_size != 0) 933 domain = NOUVEAU_GEM_DOMAIN_VRAM; 934 else 935 domain = NOUVEAU_GEM_DOMAIN_GART; 936 937 ret = nouveau_gem_new(cli, args->size, 0, domain, 0, 0, &bo); 938 if (ret) 939 return ret; 940 941 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 942 drm_gem_object_unreference_unlocked(&bo->gem); 943 return ret; 944 } 945 946 int 947 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 948 struct drm_device *dev, 949 uint32_t handle, uint64_t *poffset) 950 { 951 struct drm_gem_object *gem; 952 953 gem = drm_gem_object_lookup(file_priv, handle); 954 if (gem) { 955 struct nouveau_bo *bo = nouveau_gem_object(gem); 956 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 957 drm_gem_object_unreference_unlocked(gem); 958 return 0; 959 } 960 961 return -ENOENT; 962 } 963