drivers/gpu/drm/nouveau/nouveau_display.c

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