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 "nouveau_fbcon.h" 31 #include "dispnv04/hw.h" 32 #include "nouveau_crtc.h" 33 #include "nouveau_dma.h" 34 #include "nouveau_gem.h" 35 #include "nouveau_connector.h" 36 #include "nv50_display.h" 37 38 #include "nouveau_fence.h" 39 40 #include <engine/disp.h> 41 42 #include <core/class.h> 43 44 static int 45 nouveau_display_vblank_handler(void *data, int head) 46 { 47 struct nouveau_drm *drm = data; 48 drm_handle_vblank(drm->dev, head); 49 return NVKM_EVENT_KEEP; 50 } 51 52 int 53 nouveau_display_vblank_enable(struct drm_device *dev, int head) 54 { 55 struct nouveau_display *disp = nouveau_display(dev); 56 if (disp) { 57 nouveau_event_get(disp->vblank[head]); 58 return 0; 59 } 60 return -EIO; 61 } 62 63 void 64 nouveau_display_vblank_disable(struct drm_device *dev, int head) 65 { 66 struct nouveau_display *disp = nouveau_display(dev); 67 if (disp) 68 nouveau_event_put(disp->vblank[head]); 69 } 70 71 static inline int 72 calc(int blanks, int blanke, int total, int line) 73 { 74 if (blanke >= blanks) { 75 if (line >= blanks) 76 line -= total; 77 } else { 78 if (line >= blanks) 79 line -= total; 80 line -= blanke + 1; 81 } 82 return line; 83 } 84 85 int 86 nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos, 87 ktime_t *stime, ktime_t *etime) 88 { 89 const u32 mthd = NV04_DISP_SCANOUTPOS + nouveau_crtc(crtc)->index; 90 struct nouveau_display *disp = nouveau_display(crtc->dev); 91 struct nv04_display_scanoutpos args; 92 int ret, retry = 1; 93 94 do { 95 ret = nv_exec(disp->core, mthd, &args, sizeof(args)); 96 if (ret != 0) 97 return 0; 98 99 if (args.vline) { 100 ret |= DRM_SCANOUTPOS_ACCURATE; 101 ret |= DRM_SCANOUTPOS_VALID; 102 break; 103 } 104 105 if (retry) ndelay(crtc->linedur_ns); 106 } while (retry--); 107 108 *hpos = args.hline; 109 *vpos = calc(args.vblanks, args.vblanke, args.vtotal, args.vline); 110 if (stime) *stime = ns_to_ktime(args.time[0]); 111 if (etime) *etime = ns_to_ktime(args.time[1]); 112 113 if (*vpos < 0) 114 ret |= DRM_SCANOUTPOS_INVBL; 115 return ret; 116 } 117 118 int 119 nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags, 120 int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) 121 { 122 struct drm_crtc *crtc; 123 124 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 125 if (nouveau_crtc(crtc)->index == head) { 126 return nouveau_display_scanoutpos_head(crtc, vpos, hpos, 127 stime, etime); 128 } 129 } 130 131 return 0; 132 } 133 134 int 135 nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error, 136 struct timeval *time, unsigned flags) 137 { 138 struct drm_crtc *crtc; 139 140 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 141 if (nouveau_crtc(crtc)->index == head) { 142 return drm_calc_vbltimestamp_from_scanoutpos(dev, 143 head, max_error, time, flags, crtc, 144 &crtc->hwmode); 145 } 146 } 147 148 return -EINVAL; 149 } 150 151 static void 152 nouveau_display_vblank_fini(struct drm_device *dev) 153 { 154 struct nouveau_display *disp = nouveau_display(dev); 155 int i; 156 157 drm_vblank_cleanup(dev); 158 159 if (disp->vblank) { 160 for (i = 0; i < dev->mode_config.num_crtc; i++) 161 nouveau_event_ref(NULL, &disp->vblank[i]); 162 kfree(disp->vblank); 163 disp->vblank = NULL; 164 } 165 } 166 167 static int 168 nouveau_display_vblank_init(struct drm_device *dev) 169 { 170 struct nouveau_display *disp = nouveau_display(dev); 171 struct nouveau_drm *drm = nouveau_drm(dev); 172 struct nouveau_disp *pdisp = nouveau_disp(drm->device); 173 int ret, i; 174 175 disp->vblank = kzalloc(dev->mode_config.num_crtc * 176 sizeof(*disp->vblank), GFP_KERNEL); 177 if (!disp->vblank) 178 return -ENOMEM; 179 180 for (i = 0; i < dev->mode_config.num_crtc; i++) { 181 ret = nouveau_event_new(pdisp->vblank, i, 182 nouveau_display_vblank_handler, 183 drm, &disp->vblank[i]); 184 if (ret) { 185 nouveau_display_vblank_fini(dev); 186 return ret; 187 } 188 } 189 190 ret = drm_vblank_init(dev, dev->mode_config.num_crtc); 191 if (ret) { 192 nouveau_display_vblank_fini(dev); 193 return ret; 194 } 195 196 return 0; 197 } 198 199 static void 200 nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) 201 { 202 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 203 204 if (fb->nvbo) 205 drm_gem_object_unreference_unlocked(&fb->nvbo->gem); 206 207 drm_framebuffer_cleanup(drm_fb); 208 kfree(fb); 209 } 210 211 static int 212 nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb, 213 struct drm_file *file_priv, 214 unsigned int *handle) 215 { 216 struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); 217 218 return drm_gem_handle_create(file_priv, &fb->nvbo->gem, handle); 219 } 220 221 static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = { 222 .destroy = nouveau_user_framebuffer_destroy, 223 .create_handle = nouveau_user_framebuffer_create_handle, 224 }; 225 226 int 227 nouveau_framebuffer_init(struct drm_device *dev, 228 struct nouveau_framebuffer *nv_fb, 229 struct drm_mode_fb_cmd2 *mode_cmd, 230 struct nouveau_bo *nvbo) 231 { 232 struct nouveau_drm *drm = nouveau_drm(dev); 233 struct drm_framebuffer *fb = &nv_fb->base; 234 int ret; 235 236 drm_helper_mode_fill_fb_struct(fb, mode_cmd); 237 nv_fb->nvbo = nvbo; 238 239 if (nv_device(drm->device)->card_type >= NV_50) { 240 u32 tile_flags = nouveau_bo_tile_layout(nvbo); 241 if (tile_flags == 0x7a00 || 242 tile_flags == 0xfe00) 243 nv_fb->r_dma = NvEvoFB32; 244 else 245 if (tile_flags == 0x7000) 246 nv_fb->r_dma = NvEvoFB16; 247 else 248 nv_fb->r_dma = NvEvoVRAM_LP; 249 250 switch (fb->depth) { 251 case 8: nv_fb->r_format = 0x1e00; break; 252 case 15: nv_fb->r_format = 0xe900; break; 253 case 16: nv_fb->r_format = 0xe800; break; 254 case 24: 255 case 32: nv_fb->r_format = 0xcf00; break; 256 case 30: nv_fb->r_format = 0xd100; break; 257 default: 258 NV_ERROR(drm, "unknown depth %d\n", fb->depth); 259 return -EINVAL; 260 } 261 262 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) { 263 NV_ERROR(drm, "framebuffer requires contiguous bo\n"); 264 return -EINVAL; 265 } 266 267 if (nv_device(drm->device)->chipset == 0x50) 268 nv_fb->r_format |= (tile_flags << 8); 269 270 if (!tile_flags) { 271 if (nv_device(drm->device)->card_type < NV_D0) 272 nv_fb->r_pitch = 0x00100000 | fb->pitches[0]; 273 else 274 nv_fb->r_pitch = 0x01000000 | fb->pitches[0]; 275 } else { 276 u32 mode = nvbo->tile_mode; 277 if (nv_device(drm->device)->card_type >= NV_C0) 278 mode >>= 4; 279 nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode; 280 } 281 } 282 283 ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs); 284 if (ret) { 285 return ret; 286 } 287 288 return 0; 289 } 290 291 static struct drm_framebuffer * 292 nouveau_user_framebuffer_create(struct drm_device *dev, 293 struct drm_file *file_priv, 294 struct drm_mode_fb_cmd2 *mode_cmd) 295 { 296 struct nouveau_framebuffer *nouveau_fb; 297 struct drm_gem_object *gem; 298 int ret = -ENOMEM; 299 300 gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); 301 if (!gem) 302 return ERR_PTR(-ENOENT); 303 304 nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); 305 if (!nouveau_fb) 306 goto err_unref; 307 308 ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); 309 if (ret) 310 goto err; 311 312 return &nouveau_fb->base; 313 314 err: 315 kfree(nouveau_fb); 316 err_unref: 317 drm_gem_object_unreference(gem); 318 return ERR_PTR(ret); 319 } 320 321 static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { 322 .fb_create = nouveau_user_framebuffer_create, 323 .output_poll_changed = nouveau_fbcon_output_poll_changed, 324 }; 325 326 327 struct nouveau_drm_prop_enum_list { 328 u8 gen_mask; 329 int type; 330 char *name; 331 }; 332 333 static struct nouveau_drm_prop_enum_list underscan[] = { 334 { 6, UNDERSCAN_AUTO, "auto" }, 335 { 6, UNDERSCAN_OFF, "off" }, 336 { 6, UNDERSCAN_ON, "on" }, 337 {} 338 }; 339 340 static struct nouveau_drm_prop_enum_list dither_mode[] = { 341 { 7, DITHERING_MODE_AUTO, "auto" }, 342 { 7, DITHERING_MODE_OFF, "off" }, 343 { 1, DITHERING_MODE_ON, "on" }, 344 { 6, DITHERING_MODE_STATIC2X2, "static 2x2" }, 345 { 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" }, 346 { 4, DITHERING_MODE_TEMPORAL, "temporal" }, 347 {} 348 }; 349 350 static struct nouveau_drm_prop_enum_list dither_depth[] = { 351 { 6, DITHERING_DEPTH_AUTO, "auto" }, 352 { 6, DITHERING_DEPTH_6BPC, "6 bpc" }, 353 { 6, DITHERING_DEPTH_8BPC, "8 bpc" }, 354 {} 355 }; 356 357 #define PROP_ENUM(p,gen,n,list) do { \ 358 struct nouveau_drm_prop_enum_list *l = (list); \ 359 int c = 0; \ 360 while (l->gen_mask) { \ 361 if (l->gen_mask & (1 << (gen))) \ 362 c++; \ 363 l++; \ 364 } \ 365 if (c) { \ 366 p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \ 367 l = (list); \ 368 c = 0; \ 369 while (p && l->gen_mask) { \ 370 if (l->gen_mask & (1 << (gen))) { \ 371 drm_property_add_enum(p, c, l->type, l->name); \ 372 c++; \ 373 } \ 374 l++; \ 375 } \ 376 } \ 377 } while(0) 378 379 int 380 nouveau_display_init(struct drm_device *dev) 381 { 382 struct nouveau_display *disp = nouveau_display(dev); 383 struct drm_connector *connector; 384 int ret; 385 386 ret = disp->init(dev); 387 if (ret) 388 return ret; 389 390 /* enable polling for external displays */ 391 drm_kms_helper_poll_enable(dev); 392 393 /* enable hotplug interrupts */ 394 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 395 struct nouveau_connector *conn = nouveau_connector(connector); 396 if (conn->hpd_func) nouveau_event_get(conn->hpd_func); 397 } 398 399 return ret; 400 } 401 402 void 403 nouveau_display_fini(struct drm_device *dev) 404 { 405 struct nouveau_display *disp = nouveau_display(dev); 406 struct drm_connector *connector; 407 408 /* disable hotplug interrupts */ 409 list_for_each_entry(connector, &dev->mode_config.connector_list, head) { 410 struct nouveau_connector *conn = nouveau_connector(connector); 411 if (conn->hpd_func) nouveau_event_put(conn->hpd_func); 412 } 413 414 drm_kms_helper_poll_disable(dev); 415 disp->fini(dev); 416 } 417 418 int 419 nouveau_display_create(struct drm_device *dev) 420 { 421 struct nouveau_drm *drm = nouveau_drm(dev); 422 struct nouveau_device *device = nouveau_dev(dev); 423 struct nouveau_display *disp; 424 int ret, gen; 425 426 disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); 427 if (!disp) 428 return -ENOMEM; 429 430 drm_mode_config_init(dev); 431 drm_mode_create_scaling_mode_property(dev); 432 drm_mode_create_dvi_i_properties(dev); 433 434 if (nv_device(drm->device)->card_type < NV_50) 435 gen = 0; 436 else 437 if (nv_device(drm->device)->card_type < NV_D0) 438 gen = 1; 439 else 440 gen = 2; 441 442 PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode); 443 PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth); 444 PROP_ENUM(disp->underscan_property, gen, "underscan", underscan); 445 446 disp->underscan_hborder_property = 447 drm_property_create_range(dev, 0, "underscan hborder", 0, 128); 448 449 disp->underscan_vborder_property = 450 drm_property_create_range(dev, 0, "underscan vborder", 0, 128); 451 452 if (gen >= 1) { 453 /* -90..+90 */ 454 disp->vibrant_hue_property = 455 drm_property_create_range(dev, 0, "vibrant hue", 0, 180); 456 457 /* -100..+100 */ 458 disp->color_vibrance_property = 459 drm_property_create_range(dev, 0, "color vibrance", 0, 200); 460 } 461 462 dev->mode_config.funcs = &nouveau_mode_config_funcs; 463 dev->mode_config.fb_base = nv_device_resource_start(device, 1); 464 465 dev->mode_config.min_width = 0; 466 dev->mode_config.min_height = 0; 467 if (nv_device(drm->device)->card_type < NV_10) { 468 dev->mode_config.max_width = 2048; 469 dev->mode_config.max_height = 2048; 470 } else 471 if (nv_device(drm->device)->card_type < NV_50) { 472 dev->mode_config.max_width = 4096; 473 dev->mode_config.max_height = 4096; 474 } else { 475 dev->mode_config.max_width = 8192; 476 dev->mode_config.max_height = 8192; 477 } 478 479 dev->mode_config.preferred_depth = 24; 480 dev->mode_config.prefer_shadow = 1; 481 482 if (nv_device(drm->device)->chipset < 0x11) 483 dev->mode_config.async_page_flip = false; 484 else 485 dev->mode_config.async_page_flip = true; 486 487 drm_kms_helper_poll_init(dev); 488 drm_kms_helper_poll_disable(dev); 489 490 if (drm->vbios.dcb.entries) { 491 static const u16 oclass[] = { 492 GM107_DISP_CLASS, 493 NVF0_DISP_CLASS, 494 NVE0_DISP_CLASS, 495 NVD0_DISP_CLASS, 496 NVA3_DISP_CLASS, 497 NV94_DISP_CLASS, 498 NVA0_DISP_CLASS, 499 NV84_DISP_CLASS, 500 NV50_DISP_CLASS, 501 NV04_DISP_CLASS, 502 }; 503 int i; 504 505 for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) { 506 ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE, 507 NVDRM_DISPLAY, oclass[i], 508 NULL, 0, &disp->core); 509 } 510 511 if (ret == 0) { 512 if (nv_mclass(disp->core) < NV50_DISP_CLASS) 513 ret = nv04_display_create(dev); 514 else 515 ret = nv50_display_create(dev); 516 } 517 } else { 518 ret = 0; 519 } 520 521 if (ret) 522 goto disp_create_err; 523 524 if (dev->mode_config.num_crtc) { 525 ret = nouveau_display_vblank_init(dev); 526 if (ret) 527 goto vblank_err; 528 } 529 530 nouveau_backlight_init(dev); 531 return 0; 532 533 vblank_err: 534 disp->dtor(dev); 535 disp_create_err: 536 drm_kms_helper_poll_fini(dev); 537 drm_mode_config_cleanup(dev); 538 return ret; 539 } 540 541 void 542 nouveau_display_destroy(struct drm_device *dev) 543 { 544 struct nouveau_display *disp = nouveau_display(dev); 545 struct nouveau_drm *drm = nouveau_drm(dev); 546 547 nouveau_backlight_exit(dev); 548 nouveau_display_vblank_fini(dev); 549 550 drm_kms_helper_poll_fini(dev); 551 drm_mode_config_cleanup(dev); 552 553 if (disp->dtor) 554 disp->dtor(dev); 555 556 nouveau_object_del(nv_object(drm), NVDRM_DEVICE, NVDRM_DISPLAY); 557 558 nouveau_drm(dev)->display = NULL; 559 kfree(disp); 560 } 561 562 int 563 nouveau_display_suspend(struct drm_device *dev) 564 { 565 struct nouveau_drm *drm = nouveau_drm(dev); 566 struct drm_crtc *crtc; 567 568 nouveau_display_fini(dev); 569 570 NV_INFO(drm, "unpinning framebuffer(s)...\n"); 571 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 572 struct nouveau_framebuffer *nouveau_fb; 573 574 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 575 if (!nouveau_fb || !nouveau_fb->nvbo) 576 continue; 577 578 nouveau_bo_unpin(nouveau_fb->nvbo); 579 } 580 581 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 582 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 583 584 nouveau_bo_unmap(nv_crtc->cursor.nvbo); 585 nouveau_bo_unpin(nv_crtc->cursor.nvbo); 586 } 587 588 return 0; 589 } 590 591 void 592 nouveau_display_repin(struct drm_device *dev) 593 { 594 struct nouveau_drm *drm = nouveau_drm(dev); 595 struct drm_crtc *crtc; 596 int ret; 597 598 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 599 struct nouveau_framebuffer *nouveau_fb; 600 601 nouveau_fb = nouveau_framebuffer(crtc->primary->fb); 602 if (!nouveau_fb || !nouveau_fb->nvbo) 603 continue; 604 605 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM); 606 } 607 608 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 609 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 610 611 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); 612 if (!ret) 613 ret = nouveau_bo_map(nv_crtc->cursor.nvbo); 614 if (ret) 615 NV_ERROR(drm, "Could not pin/map cursor.\n"); 616 } 617 } 618 619 void 620 nouveau_display_resume(struct drm_device *dev) 621 { 622 struct drm_crtc *crtc; 623 nouveau_display_init(dev); 624 625 /* Force CLUT to get re-loaded during modeset */ 626 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 627 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 628 629 nv_crtc->lut.depth = 0; 630 } 631 632 drm_helper_resume_force_mode(dev); 633 634 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 635 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); 636 u32 offset = nv_crtc->cursor.nvbo->bo.offset; 637 638 nv_crtc->cursor.set_offset(nv_crtc, offset); 639 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, 640 nv_crtc->cursor_saved_y); 641 } 642 } 643 644 static int 645 nouveau_page_flip_emit(struct nouveau_channel *chan, 646 struct nouveau_bo *old_bo, 647 struct nouveau_bo *new_bo, 648 struct nouveau_page_flip_state *s, 649 struct nouveau_fence **pfence) 650 { 651 struct nouveau_fence_chan *fctx = chan->fence; 652 struct nouveau_drm *drm = chan->drm; 653 struct drm_device *dev = drm->dev; 654 unsigned long flags; 655 int ret; 656 657 /* Queue it to the pending list */ 658 spin_lock_irqsave(&dev->event_lock, flags); 659 list_add_tail(&s->head, &fctx->flip); 660 spin_unlock_irqrestore(&dev->event_lock, flags); 661 662 /* Synchronize with the old framebuffer */ 663 ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan); 664 if (ret) 665 goto fail; 666 667 /* Emit the pageflip */ 668 ret = RING_SPACE(chan, 2); 669 if (ret) 670 goto fail; 671 672 if (nv_device(drm->device)->card_type < NV_C0) 673 BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1); 674 else 675 BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1); 676 OUT_RING (chan, 0x00000000); 677 FIRE_RING (chan); 678 679 ret = nouveau_fence_new(chan, false, pfence); 680 if (ret) 681 goto fail; 682 683 return 0; 684 fail: 685 spin_lock_irqsave(&dev->event_lock, flags); 686 list_del(&s->head); 687 spin_unlock_irqrestore(&dev->event_lock, flags); 688 return ret; 689 } 690 691 int 692 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, 693 struct drm_pending_vblank_event *event, u32 flags) 694 { 695 const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1; 696 struct drm_device *dev = crtc->dev; 697 struct nouveau_drm *drm = nouveau_drm(dev); 698 struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo; 699 struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo; 700 struct nouveau_page_flip_state *s; 701 struct nouveau_channel *chan = drm->channel; 702 struct nouveau_fence *fence; 703 int ret; 704 705 if (!drm->channel) 706 return -ENODEV; 707 708 s = kzalloc(sizeof(*s), GFP_KERNEL); 709 if (!s) 710 return -ENOMEM; 711 712 if (new_bo != old_bo) { 713 ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM); 714 if (ret) 715 goto fail_free; 716 } 717 718 mutex_lock(&chan->cli->mutex); 719 720 /* synchronise rendering channel with the kernel's channel */ 721 spin_lock(&new_bo->bo.bdev->fence_lock); 722 fence = nouveau_fence_ref(new_bo->bo.sync_obj); 723 spin_unlock(&new_bo->bo.bdev->fence_lock); 724 ret = nouveau_fence_sync(fence, chan); 725 nouveau_fence_unref(&fence); 726 if (ret) 727 goto fail_unpin; 728 729 ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL); 730 if (ret) 731 goto fail_unpin; 732 733 /* Initialize a page flip struct */ 734 *s = (struct nouveau_page_flip_state) 735 { { }, event, nouveau_crtc(crtc)->index, 736 fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, 737 new_bo->bo.offset }; 738 739 /* Emit a page flip */ 740 if (nv_device(drm->device)->card_type >= NV_50) { 741 ret = nv50_display_flip_next(crtc, fb, chan, swap_interval); 742 if (ret) 743 goto fail_unreserve; 744 } else { 745 struct nv04_display *dispnv04 = nv04_display(dev); 746 int head = nouveau_crtc(crtc)->index; 747 748 if (swap_interval) { 749 ret = RING_SPACE(chan, 8); 750 if (ret) 751 goto fail_unreserve; 752 753 BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1); 754 OUT_RING (chan, 0); 755 BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1); 756 OUT_RING (chan, head); 757 BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1); 758 OUT_RING (chan, 0); 759 BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1); 760 OUT_RING (chan, 0); 761 } 762 763 nouveau_bo_ref(new_bo, &dispnv04->image[head]); 764 } 765 766 ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence); 767 mutex_unlock(&chan->cli->mutex); 768 if (ret) 769 goto fail_unreserve; 770 771 /* Update the crtc struct and cleanup */ 772 crtc->primary->fb = fb; 773 774 nouveau_bo_fence(old_bo, fence); 775 ttm_bo_unreserve(&old_bo->bo); 776 if (old_bo != new_bo) 777 nouveau_bo_unpin(old_bo); 778 nouveau_fence_unref(&fence); 779 return 0; 780 781 fail_unreserve: 782 ttm_bo_unreserve(&old_bo->bo); 783 fail_unpin: 784 mutex_unlock(&chan->cli->mutex); 785 if (old_bo != new_bo) 786 nouveau_bo_unpin(new_bo); 787 fail_free: 788 kfree(s); 789 return ret; 790 } 791 792 int 793 nouveau_finish_page_flip(struct nouveau_channel *chan, 794 struct nouveau_page_flip_state *ps) 795 { 796 struct nouveau_fence_chan *fctx = chan->fence; 797 struct nouveau_drm *drm = chan->drm; 798 struct drm_device *dev = drm->dev; 799 struct nouveau_page_flip_state *s; 800 unsigned long flags; 801 802 spin_lock_irqsave(&dev->event_lock, flags); 803 804 if (list_empty(&fctx->flip)) { 805 NV_ERROR(drm, "unexpected pageflip\n"); 806 spin_unlock_irqrestore(&dev->event_lock, flags); 807 return -EINVAL; 808 } 809 810 s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); 811 if (s->event) 812 drm_send_vblank_event(dev, s->crtc, s->event); 813 814 list_del(&s->head); 815 if (ps) 816 *ps = *s; 817 kfree(s); 818 819 spin_unlock_irqrestore(&dev->event_lock, flags); 820 return 0; 821 } 822 823 int 824 nouveau_flip_complete(void *data) 825 { 826 struct nouveau_channel *chan = data; 827 struct nouveau_drm *drm = chan->drm; 828 struct nouveau_page_flip_state state; 829 830 if (!nouveau_finish_page_flip(chan, &state)) { 831 if (nv_device(drm->device)->card_type < NV_50) { 832 nv_set_crtc_base(drm->dev, state.crtc, state.offset + 833 state.y * state.pitch + 834 state.x * state.bpp / 8); 835 } 836 } 837 838 return 0; 839 } 840 841 int 842 nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, 843 struct drm_mode_create_dumb *args) 844 { 845 struct nouveau_bo *bo; 846 int ret; 847 848 args->pitch = roundup(args->width * (args->bpp / 8), 256); 849 args->size = args->pitch * args->height; 850 args->size = roundup(args->size, PAGE_SIZE); 851 852 ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); 853 if (ret) 854 return ret; 855 856 ret = drm_gem_handle_create(file_priv, &bo->gem, &args->handle); 857 drm_gem_object_unreference_unlocked(&bo->gem); 858 return ret; 859 } 860 861 int 862 nouveau_display_dumb_map_offset(struct drm_file *file_priv, 863 struct drm_device *dev, 864 uint32_t handle, uint64_t *poffset) 865 { 866 struct drm_gem_object *gem; 867 868 gem = drm_gem_object_lookup(dev, file_priv, handle); 869 if (gem) { 870 struct nouveau_bo *bo = nouveau_gem_object(gem); 871 *poffset = drm_vma_node_offset_addr(&bo->bo.vma_node); 872 drm_gem_object_unreference_unlocked(gem); 873 return 0; 874 } 875 876 return -ENOENT; 877 } 878