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 <drm/drmP.h> 28 #include <drm/drm_crtc_helper.h> 29 30 #include <nvif/class.h> 31 32 #include "nouveau_fbcon.h" 33 #include "dispnv04/hw.h" 34 #include "nouveau_crtc.h" 35 #include "nouveau_dma.h" 36 #include "nouveau_gem.h" 37 #include "nouveau_connector.h" 38 #include "nv50_display.h" 39 40 #include "nouveau_fence.h" 41 42 #include <nvif/event.h> 43 44 static int 45 nouveau_display_vblank_handler(struct nvif_notify *notify) 46 { 47 struct nouveau_crtc *nv_crtc = 48 container_of(notify, typeof(*nv_crtc), vblank); 49 drm_handle_vblank(nv_crtc->base.dev, nv_crtc->index); 50 return NVIF_NOTIFY_KEEP; 51 } 52 53 int 54 nouveau_display_vblank_enable(struct drm_device *dev, int head) 55 { 56 struct drm_crtc *crtc; 57 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 58 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 59 if (nv_crtc->index == head) { 60 nvif_notify_get(&nv_crtc->vblank); 61 return 0; 62 } 63 } 64 return -EINVAL; 65 } 66 67 void 68 nouveau_display_vblank_disable(struct drm_device *dev, int head) 69 { 70 struct drm_crtc *crtc; 71 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 72 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 73 if (nv_crtc->index == head) { 74 nvif_notify_put(&nv_crtc->vblank); 75 return; 76 } 77 } 78 } 79 80 static inline int 81 calc(int blanks, int blanke, int total, int line) 82 { 83 if (blanke >= blanks) { 84 if (line >= blanks) 85 line -= total; 86 } else { 87 if (line >= blanks) 88 line -= total; 89 line -= blanke + 1; 90 } 91 return line; 92 } 93 94 int 95 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 96 ktime_t *stime, ktime_t *etime) 97 { 98 struct { 99 struct nv04_disp_mthd_v0 base; 100 struct nv04_disp_scanoutpos_v0 scan; 101 } args = { 102 .base.method = NV04_DISP_SCANOUTPOS, 103 .base.head = nouveau_crtc(crtc)->index, 104 }; 105 struct nouveau_display *disp = nouveau_display(crtc->dev); 106 int ret, retry = 1; 107 108 do { 109 ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args)); 110 if (ret != 0) 111 return 0; 112 113 if (args.scan.vline) { 114 ret |= DRM_SCANOUTPOS_ACCURATE; 115 ret |= DRM_SCANOUTPOS_VALID; 116 break; 117 } 118 119 if (retry) ndelay(crtc->linedur_ns); 120 } while (retry--); 121 122 *hpos = args.scan.hline; 123 *vpos = calc(args.scan.vblanks, args.scan.vblanke, 124 args.scan.vtotal, args.scan.vline); 125 if (stime) *stime = ns_to_ktime(args.scan.time[0]); 126 if (etime) *etime = ns_to_ktime(args.scan.time[1]); 127 128 if (*vpos < 0) 129 ret |= DRM_SCANOUTPOS_INVBL; 130 return ret; 131 } 132 133 int 134 nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags, 135 int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) 136 { 137 struct drm_crtc *crtc; 138 139 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 140 if (nouveau_crtc(crtc)->index == head) { 141 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 142 stime, etime); 143 } 144 } 145 146 return 0; 147 } 148 149 int 150 nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error, 151 struct timeval *time, unsigned flags) 152 { 153 struct drm_crtc *crtc; 154 155 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 156 if (nouveau_crtc(crtc)->index == head) { 157 return drm_calc_vbltimestamp_from_scanoutpos(dev, 158 head, max_error, time, flags, crtc, 159 &crtc->hwmode); 160 } 161 } 162 163 return -EINVAL; 164 } 165 166 static void 167 nouveau_display_vblank_fini(struct drm_device *dev) 168 { 169 struct drm_crtc *crtc; 170 171 drm_vblank_cleanup(dev); 172 173 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 174 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 175 nvif_notify_fini(&nv_crtc->vblank); 176 } 177 } 178 179 static int 180 nouveau_display_vblank_init(struct drm_device *dev) 181 { 182 struct nouveau_display *disp = nouveau_display(dev); 183 struct drm_crtc *crtc; 184 int ret; 185 186 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 187 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 188 ret = nvif_notify_init(&disp->disp, NULL, 189 nouveau_display_vblank_handler, false, 190 NV04_DISP_NTFY_VBLANK, 191 &(struct nvif_notify_head_req_v0) { 192 .head = nv_crtc->index, 193 }, 194 sizeof(struct nvif_notify_head_req_v0), 195 sizeof(struct nvif_notify_head_rep_v0), 196 &nv_crtc->vblank); 197 if (ret) { 198 nouveau_display_vblank_fini(dev); 199 return ret; 200 } 201 } 202 203 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 204 if (ret) { 205 nouveau_display_vblank_fini(dev); 206 return ret; 207 } 208 209 return 0; 210 } 211 212 static void 213 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 214 { 215 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 216 struct nouveau_display *disp = nouveau_display(drm_fb->dev); 217 218 if (disp->fb_dtor) 219 disp->fb_dtor(drm_fb); 220 221 if (fb->nvbo) 222 drm_gem_object_unreference_unlocked(&fb->nvbo->gem); 223 224 drm_framebuffer_cleanup(drm_fb); 225 kfree(fb); 226 } 227 228 static int 229 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 230 struct drm_file *file_priv, 231 unsigned int *handle) 232 { 233 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 234 235 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); 236 } 237 238 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 239 .destroy = nouveau_user_framebuffer_destroy, 240 .create_handle = nouveau_user_framebuffer_create_handle, 241 }; 242 243 int 244 nouveau_framebuffer_init(struct drm_device *dev, 245 struct nouveau_framebuffer *nv_fb, 246 struct drm_mode_fb_cmd2 *mode_cmd, 247 struct nouveau_bo *nvbo) 248 { 249 struct nouveau_display *disp = nouveau_display(dev); 250 struct drm_framebuffer *fb = &nv_fb->base; 251 int ret; 252 253 drm_helper_mode_fill_fb_struct(fb, mode_cmd); 254 nv_fb->nvbo = nvbo; 255 256 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 257 if (ret) 258 return ret; 259 260 if (disp->fb_ctor) { 261 ret = disp->fb_ctor(fb); 262 if (ret) 263 disp->fb_dtor(fb); 264 } 265 266 return ret; 267 } 268 269 static struct drm_framebuffer * 270 nouveau_user_framebuffer_create(struct drm_device *dev, 271 struct drm_file *file_priv, 272 struct drm_mode_fb_cmd2 *mode_cmd) 273 { 274 struct nouveau_framebuffer *nouveau_fb; 275 struct drm_gem_object *gem; 276 int ret = -ENOMEM; 277 278 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 279 if (!gem) 280 return ERR_PTR(-ENOENT); 281 282 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); 283 if (!nouveau_fb) 284 goto err_unref; 285 286 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); 287 if (ret) 288 goto err; 289 290 return &nouveau_fb->base; 291 292 err: 293 kfree(nouveau_fb); 294 err_unref: 295 drm_gem_object_unreference(gem); 296 return ERR_PTR(ret); 297 } 298 299 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 300 .fb_create = nouveau_user_framebuffer_create, 301 .output_poll_changed = nouveau_fbcon_output_poll_changed, 302 }; 303 304 305 struct nouveau_drm_prop_enum_list { 306 u8 gen_mask; 307 int type; 308 char *name; 309 }; 310 311 static struct nouveau_drm_prop_enum_list underscan[] = { 312 { 6, UNDERSCAN_AUTO, "auto" }, 313 { 6, UNDERSCAN_OFF, "off" }, 314 { 6, UNDERSCAN_ON, "on" }, 315 {} 316 }; 317 318 static struct nouveau_drm_prop_enum_list dither_mode[] = { 319 { 7, DITHERING_MODE_AUTO, "auto" }, 320 { 7, DITHERING_MODE_OFF, "off" }, 321 { 1, DITHERING_MODE_ON, "on" }, 322 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 323 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 324 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 325 {} 326 }; 327 328 static struct nouveau_drm_prop_enum_list dither_depth[] = { 329 { 6, DITHERING_DEPTH_AUTO, "auto" }, 330 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 331 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 332 {} 333 }; 334 335 #define PROP_ENUM(p,gen,n,list) do { \ 336 struct nouveau_drm_prop_enum_list *l = (list); \ 337 int c = 0; \ 338 while (l->gen_mask) { \ 339 if (l->gen_mask & (1 << (gen))) \ 340 c++; \ 341 l++; \ 342 } \ 343 if (c) { \ 344 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 345 l = (list); \ 346 c = 0; \ 347 while (p && l->gen_mask) { \ 348 if (l->gen_mask & (1 << (gen))) { \ 349 drm_property_add_enum(p, c, l->type, l->name); \ 350 c++; \ 351 } \ 352 l++; \ 353 } \ 354 } \ 355 } while(0) 356 357 int 358 nouveau_display_init(struct drm_device *dev) 359 { 360 struct nouveau_display *disp = nouveau_display(dev); 361 struct drm_connector *connector; 362 int ret; 363 364 ret = disp->init(dev); 365 if (ret) 366 return ret; 367 368 /* enable polling for external displays */ 369 drm_kms_helper_poll_enable(dev); 370 371 /* enable hotplug interrupts */ 372 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 373 struct nouveau_connector *conn = nouveau_connector(connector); 374 nvif_notify_get(&conn->hpd); 375 } 376 377 return ret; 378 } 379 380 void 381 nouveau_display_fini(struct drm_device *dev) 382 { 383 struct nouveau_display *disp = nouveau_display(dev); 384 struct drm_connector *connector; 385 int head; 386 387 /* Make sure that drm and hw vblank irqs get properly disabled. */ 388 for (head = 0; head < dev->mode_config.num_crtc; head++) 389 drm_vblank_off(dev, head); 390 391 /* disable hotplug interrupts */ 392 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 393 struct nouveau_connector *conn = nouveau_connector(connector); 394 nvif_notify_put(&conn->hpd); 395 } 396 397 drm_kms_helper_poll_disable(dev); 398 disp->fini(dev); 399 } 400 401 static void 402 nouveau_display_create_properties(struct drm_device *dev) 403 { 404 struct nouveau_display *disp = nouveau_display(dev); 405 int gen; 406 407 if (disp->disp.oclass < NV50_DISP) 408 gen = 0; 409 else 410 if (disp->disp.oclass < GF110_DISP) 411 gen = 1; 412 else 413 gen = 2; 414 415 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 416 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 417 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 418 419 disp->underscan_hborder_property = 420 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 421 422 disp->underscan_vborder_property = 423 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 424 425 if (gen < 1) 426 return; 427 428 /* -90..+90 */ 429 disp->vibrant_hue_property = 430 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 431 432 /* -100..+100 */ 433 disp->color_vibrance_property = 434 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 435 } 436 437 int 438 nouveau_display_create(struct drm_device *dev) 439 { 440 struct nouveau_drm *drm = nouveau_drm(dev); 441 struct nouveau_display *disp; 442 int ret; 443 444 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 445 if (!disp) 446 return -ENOMEM; 447 448 drm_mode_config_init(dev); 449 drm_mode_create_scaling_mode_property(dev); 450 drm_mode_create_dvi_i_properties(dev); 451 452 dev->mode_config.funcs = &nouveau_mode_config_funcs; 453 dev->mode_config.fb_base = nv_device_resource_start(nvkm_device(&drm->device), 1); 454 455 dev->mode_config.min_width = 0; 456 dev->mode_config.min_height = 0; 457 if (drm->device.info.family < NV_DEVICE_INFO_V0_CELSIUS) { 458 dev->mode_config.max_width = 2048; 459 dev->mode_config.max_height = 2048; 460 } else 461 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { 462 dev->mode_config.max_width = 4096; 463 dev->mode_config.max_height = 4096; 464 } else { 465 dev->mode_config.max_width = 8192; 466 dev->mode_config.max_height = 8192; 467 } 468 469 dev->mode_config.preferred_depth = 24; 470 dev->mode_config.prefer_shadow = 1; 471 472 if (drm->device.info.chipset < 0x11) 473 dev->mode_config.async_page_flip = false; 474 else 475 dev->mode_config.async_page_flip = true; 476 477 drm_kms_helper_poll_init(dev); 478 drm_kms_helper_poll_disable(dev); 479 480 if (nouveau_modeset != 2 && drm->vbios.dcb.entries) { 481 static const u16 oclass[] = { 482 GM107_DISP, 483 GK110_DISP, 484 GK104_DISP, 485 GF110_DISP, 486 GT214_DISP, 487 GT206_DISP, 488 GT200_DISP, 489 G82_DISP, 490 NV50_DISP, 491 NV04_DISP, 492 }; 493 int i; 494 495 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { 496 ret = nvif_object_init(nvif_object(&drm->device), NULL, 497 NVDRM_DISPLAY, oclass[i], 498 NULL, 0, &disp->disp); 499 } 500 501 if (ret == 0) { 502 nouveau_display_create_properties(dev); 503 if (disp->disp.oclass < NV50_DISP) 504 ret = nv04_display_create(dev); 505 else 506 ret = nv50_display_create(dev); 507 } 508 } else { 509 ret = 0; 510 } 511 512 if (ret) 513 goto disp_create_err; 514 515 if (dev->mode_config.num_crtc) { 516 ret = nouveau_display_vblank_init(dev); 517 if (ret) 518 goto vblank_err; 519 } 520 521 nouveau_backlight_init(dev); 522 return 0; 523 524 vblank_err: 525 disp->dtor(dev); 526 disp_create_err: 527 drm_kms_helper_poll_fini(dev); 528 drm_mode_config_cleanup(dev); 529 return ret; 530 } 531 532 void 533 nouveau_display_destroy(struct drm_device *dev) 534 { 535 struct nouveau_display *disp = nouveau_display(dev); 536 537 nouveau_backlight_exit(dev); 538 nouveau_display_vblank_fini(dev); 539 540 drm_kms_helper_poll_fini(dev); 541 drm_mode_config_cleanup(dev); 542 543 if (disp->dtor) 544 disp->dtor(dev); 545 546 nvif_object_fini(&disp->disp); 547 548 nouveau_drm(dev)->display = NULL; 549 kfree(disp); 550 } 551 552 int 553 nouveau_display_suspend(struct drm_device *dev) 554 { 555 struct nouveau_drm *drm = nouveau_drm(dev); 556 struct drm_crtc *crtc; 557 558 nouveau_display_fini(dev); 559 560 NV_INFO(drm, "unpinning framebuffer(s)...\n"); 561 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 562 struct nouveau_framebuffer *nouveau_fb; 563 564 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 565 if (!nouveau_fb || !nouveau_fb->nvbo) 566 continue; 567 568 nouveau_bo_unpin(nouveau_fb->nvbo); 569 } 570 571 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 572 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 573 574 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 575 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 576 } 577 578 return 0; 579 } 580 581 void 582 nouveau_display_repin(struct drm_device *dev) 583 { 584 struct nouveau_drm *drm = nouveau_drm(dev); 585 struct drm_crtc *crtc; 586 int ret; 587 588 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 589 struct nouveau_framebuffer *nouveau_fb; 590 591 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 592 if (!nouveau_fb || !nouveau_fb->nvbo) 593 continue; 594 595 ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); 596 if (ret) 597 NV_ERROR(drm, "Could not pin framebuffer\n"); 598 } 599 600 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 601 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 602 603 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); 604 if (!ret) 605 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 606 if (ret) 607 NV_ERROR(drm, "Could not pin/map cursor.\n"); 608 } 609 } 610 611 void 612 nouveau_display_resume(struct drm_device *dev) 613 { 614 struct drm_crtc *crtc; 615 int head; 616 617 nouveau_display_init(dev); 618 619 /* Force CLUT to get re-loaded during modeset */ 620 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 621 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 622 623 nv_crtc->lut.depth = 0; 624 } 625 626 /* Make sure that drm and hw vblank irqs get resumed if needed. */ 627 for (head = 0; head < dev->mode_config.num_crtc; head++) 628 drm_vblank_on(dev, head); 629 630 drm_helper_resume_force_mode(dev); 631 632 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 633 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 634 u32 offset = nv_crtc->cursor.nvbo->bo.offset; 635 636 nv_crtc->cursor.set_offset(nv_crtc, offset); 637 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 638 nv_crtc->cursor_saved_y); 639 } 640 } 641 642 static int 643 nouveau_page_flip_emit(struct nouveau_channel *chan, 644 struct nouveau_bo *old_bo, 645 struct nouveau_bo *new_bo, 646 struct nouveau_page_flip_state *s, 647 struct nouveau_fence **pfence) 648 { 649 struct nouveau_fence_chan *fctx = chan->fence; 650 struct nouveau_drm *drm = chan->drm; 651 struct drm_device *dev = drm->dev; 652 unsigned long flags; 653 int ret; 654 655 /* Queue it to the pending list */ 656 spin_lock_irqsave(&dev->event_lock, flags); 657 list_add_tail(&s->head, &fctx->flip); 658 spin_unlock_irqrestore(&dev->event_lock, flags); 659 660 /* Synchronize with the old framebuffer */ 661 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); 662 if (ret) 663 goto fail; 664 665 /* Emit the pageflip */ 666 ret = RING_SPACE(chan, 2); 667 if (ret) 668 goto fail; 669 670 if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI) 671 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 672 else 673 BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1); 674 OUT_RING (chan, 0x00000000); 675 FIRE_RING (chan); 676 677 ret = nouveau_fence_new(chan, false, pfence); 678 if (ret) 679 goto fail; 680 681 return 0; 682 fail: 683 spin_lock_irqsave(&dev->event_lock, flags); 684 list_del(&s->head); 685 spin_unlock_irqrestore(&dev->event_lock, flags); 686 return ret; 687 } 688 689 int 690 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 691 struct drm_pending_vblank_event *event, u32 flags) 692 { 693 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 694 struct drm_device *dev = crtc->dev; 695 struct nouveau_drm *drm = nouveau_drm(dev); 696 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 697 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 698 struct nouveau_page_flip_state *s; 699 struct nouveau_channel *chan; 700 struct nouveau_cli *cli; 701 struct nouveau_fence *fence; 702 int ret; 703 704 chan = drm->channel; 705 if (!chan) 706 return -ENODEV; 707 cli = (void *)nvif_client(&chan->device->base); 708 709 s = kzalloc(sizeof(*s), GFP_KERNEL); 710 if (!s) 711 return -ENOMEM; 712 713 if (new_bo != old_bo) { 714 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); 715 if (ret) 716 goto fail_free; 717 } 718 719 mutex_lock(&cli->mutex); 720 721 /* synchronise rendering channel with the kernel's channel */ 722 spin_lock(&new_bo->bo.bdev->fence_lock); 723 fence = nouveau_fence_ref(new_bo->bo.sync_obj); 724 spin_unlock(&new_bo->bo.bdev->fence_lock); 725 ret = nouveau_fence_sync(fence, chan); 726 nouveau_fence_unref(&fence); 727 if (ret) 728 goto fail_unpin; 729 730 ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); 731 if (ret) 732 goto fail_unpin; 733 734 /* Initialize a page flip struct */ 735 *s = (struct nouveau_page_flip_state) 736 { { }, event, nouveau_crtc(crtc)->index, 737 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, 738 new_bo->bo.offset }; 739 740 /* Keep vblanks on during flip, for the target crtc of this flip */ 741 drm_vblank_get(dev, nouveau_crtc(crtc)->index); 742 743 /* Emit a page flip */ 744 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 745 ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); 746 if (ret) 747 goto fail_unreserve; 748 } else { 749 struct nv04_display *dispnv04 = nv04_display(dev); 750 int head = nouveau_crtc(crtc)->index; 751 752 if (swap_interval) { 753 ret = RING_SPACE(chan, 8); 754 if (ret) 755 goto fail_unreserve; 756 757 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 758 OUT_RING (chan, 0); 759 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 760 OUT_RING (chan, head); 761 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 762 OUT_RING (chan, 0); 763 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 764 OUT_RING (chan, 0); 765 } 766 767 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 768 } 769 770 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 771 if (ret) 772 goto fail_unreserve; 773 mutex_unlock(&cli->mutex); 774 775 /* Update the crtc struct and cleanup */ 776 crtc->primary->fb = fb; 777 778 nouveau_bo_fence(old_bo, fence); 779 ttm_bo_unreserve(&old_bo->bo); 780 if (old_bo != new_bo) 781 nouveau_bo_unpin(old_bo); 782 nouveau_fence_unref(&fence); 783 return 0; 784 785 fail_unreserve: 786 drm_vblank_put(dev, nouveau_crtc(crtc)->index); 787 ttm_bo_unreserve(&old_bo->bo); 788 fail_unpin: 789 mutex_unlock(&cli->mutex); 790 if (old_bo != new_bo) 791 nouveau_bo_unpin(new_bo); 792 fail_free: 793 kfree(s); 794 return ret; 795 } 796 797 int 798 nouveau_finish_page_flip(struct nouveau_channel *chan, 799 struct nouveau_page_flip_state *ps) 800 { 801 struct nouveau_fence_chan *fctx = chan->fence; 802 struct nouveau_drm *drm = chan->drm; 803 struct drm_device *dev = drm->dev; 804 struct nouveau_page_flip_state *s; 805 unsigned long flags; 806 int crtcid = -1; 807 808 spin_lock_irqsave(&dev->event_lock, flags); 809 810 if (list_empty(&fctx->flip)) { 811 NV_ERROR(drm, "unexpected pageflip\n"); 812 spin_unlock_irqrestore(&dev->event_lock, flags); 813 return -EINVAL; 814 } 815 816 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 817 if (s->event) { 818 /* Vblank timestamps/counts are only correct on >= NV-50 */ 819 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) 820 crtcid = s->crtc; 821 822 drm_send_vblank_event(dev, crtcid, s->event); 823 } 824 825 /* Give up ownership of vblank for page-flipped crtc */ 826 drm_vblank_put(dev, s->crtc); 827 828 list_del(&s->head); 829 if (ps) 830 *ps = *s; 831 kfree(s); 832 833 spin_unlock_irqrestore(&dev->event_lock, flags); 834 return 0; 835 } 836 837 int 838 nouveau_flip_complete(void *data) 839 { 840 struct nouveau_channel *chan = data; 841 struct nouveau_drm *drm = chan->drm; 842 struct nouveau_page_flip_state state; 843 844 if (!nouveau_finish_page_flip(chan, &state)) { 845 if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { 846 nv_set_crtc_base(drm->dev, state.crtc, state.offset + 847 state.y * state.pitch + 848 state.x * state.bpp / 8); 849 } 850 } 851 852 return 0; 853 } 854 855 int 856 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 857 struct drm_mode_create_dumb *args) 858 { 859 struct nouveau_bo *bo; 860 int ret; 861 862 args->pitch = roundup(args->width * (args->bpp / 8), 256); 863 args->size = args->pitch * args->height; 864 args->size = roundup(args->size, PAGE_SIZE); 865 866 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); 867 if (ret) 868 return ret; 869 870 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 871 drm_gem_object_unreference_unlocked(&bo->gem); 872 return ret; 873 } 874 875 int 876 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 877 struct drm_device *dev, 878 uint32_t handle, uint64_t *poffset) 879 { 880 struct drm_gem_object *gem; 881 882 gem = drm_gem_object_lookup(dev, file_priv, handle); 883 if (gem) { 884 struct nouveau_bo *bo = nouveau_gem_object(gem); 885 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 886 drm_gem_object_unreference_unlocked(gem); 887 return 0; 888 } 889 890 return -ENOENT; 891 } 892