Programming Languages Research Group: Git - firefly-linux-kernel-4.4.55.git/blob

   1         /*
   2  * Copyright 2011 Red Hat Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: Ben Skeggs
  23  */
  24
  25 #include <linux/dma-mapping.h>
  26
  27 #include <drm/drmP.h>
  28 #include <drm/drm_crtc_helper.h>
  29
  30 #include "nouveau_drm.h"
  31 #include "nouveau_dma.h"
  32 #include "nouveau_gem.h"
  33 #include "nouveau_connector.h"
  34 #include "nouveau_encoder.h"
  35 #include "nouveau_crtc.h"
  36 #include "nouveau_fence.h"
  37 #include "nv50_display.h"
  38
  39 #include <core/client.h>
  40 #include <core/gpuobj.h>
  41 #include <core/class.h>
  42
  43 #include <subdev/timer.h>
  44 #include <subdev/bar.h>
  45 #include <subdev/fb.h>
  46 #include <subdev/i2c.h>
  47
  48 #define EVO_DMA_NR 9
  49
  50 #define EVO_MASTER  (0x00)
  51 #define EVO_FLIP(c) (0x01 + (c))
  52 #define EVO_OVLY(c) (0x05 + (c))
  53 #define EVO_OIMM(c) (0x09 + (c))
  54 #define EVO_CURS(c) (0x0d + (c))
  55
  56 /* offsets in shared sync bo of various structures */
  57 #define EVO_SYNC(c, o) ((c) * 0x0100 + (o))
  58 #define EVO_MAST_NTFY     EVO_SYNC(      0, 0x00)
  59 #define EVO_FLIP_SEM0(c)  EVO_SYNC((c) + 1, 0x00)
  60 #define EVO_FLIP_SEM1(c)  EVO_SYNC((c) + 1, 0x10)
  61
  62 #define EVO_CORE_HANDLE      (0xd1500000)
  63 #define EVO_CHAN_HANDLE(t,i) (0xd15c0000 | (((t) & 0x00ff) << 8) | (i))
  64 #define EVO_CHAN_OCLASS(t,c) ((nv_hclass(c) & 0xff00) | ((t) & 0x00ff))
  65 #define EVO_PUSH_HANDLE(t,i) (0xd15b0000 | (i) |                               \
  66                               (((NV50_DISP_##t##_CLASS) & 0x00ff) << 8))
  67
  68 /******************************************************************************
  69  * EVO channel
  70  *****************************************************************************/
  71
  72 struct nv50_chan {
  73         struct nouveau_object *user;
  74         u32 handle;
  75 };
  76
  77 static int
  78 nv50_chan_create(struct nouveau_object *core, u32 bclass, u8 head,
  79                  void *data, u32 size, struct nv50_chan *chan)
  80 {
  81         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
  82         const u32 oclass = EVO_CHAN_OCLASS(bclass, core);
  83         const u32 handle = EVO_CHAN_HANDLE(bclass, head);
  84         int ret;
  85
  86         ret = nouveau_object_new(client, EVO_CORE_HANDLE, handle,
  87                                  oclass, data, size, &chan->user);
  88         if (ret)
  89                 return ret;
  90
  91         chan->handle = handle;
  92         return 0;
  93 }
  94
  95 static void
  96 nv50_chan_destroy(struct nouveau_object *core, struct nv50_chan *chan)
  97 {
  98         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
  99         if (chan->handle)
 100                 nouveau_object_del(client, EVO_CORE_HANDLE, chan->handle);
 101 }
 102
 103 /******************************************************************************
 104  * PIO EVO channel
 105  *****************************************************************************/
 106
 107 struct nv50_pioc {
 108         struct nv50_chan base;
 109 };
 110
 111 static void
 112 nv50_pioc_destroy(struct nouveau_object *core, struct nv50_pioc *pioc)
 113 {
 114         nv50_chan_destroy(core, &pioc->base);
 115 }
 116
 117 static int
 118 nv50_pioc_create(struct nouveau_object *core, u32 bclass, u8 head,
 119                  void *data, u32 size, struct nv50_pioc *pioc)
 120 {
 121         return nv50_chan_create(core, bclass, head, data, size, &pioc->base);
 122 }
 123
 124 /******************************************************************************
 125  * DMA EVO channel
 126  *****************************************************************************/
 127
 128 struct nv50_dmac {
 129         struct nv50_chan base;
 130         dma_addr_t handle;
 131         u32 *ptr;
 132
 133         /* Protects against concurrent pushbuf access to this channel, lock is
 134          * grabbed by evo_wait (if the pushbuf reservation is successful) and
 135          * dropped again by evo_kick. */
 136         struct mutex lock;
 137 };
 138
 139 static void
 140 nv50_dmac_destroy(struct nouveau_object *core, struct nv50_dmac *dmac)
 141 {
 142         if (dmac->ptr) {
 143                 struct pci_dev *pdev = nv_device(core)->pdev;
 144                 pci_free_consistent(pdev, PAGE_SIZE, dmac->ptr, dmac->handle);
 145         }
 146
 147         nv50_chan_destroy(core, &dmac->base);
 148 }
 149
 150 static int
 151 nv50_dmac_create_fbdma(struct nouveau_object *core, u32 parent)
 152 {
 153         struct nouveau_fb *pfb = nouveau_fb(core);
 154         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 155         struct nouveau_object *object;
 156         int ret = nouveau_object_new(client, parent, NvEvoVRAM_LP,
 157                                      NV_DMA_IN_MEMORY_CLASS,
 158                                      &(struct nv_dma_class) {
 159                                         .flags = NV_DMA_TARGET_VRAM |
 160                                                  NV_DMA_ACCESS_RDWR,
 161                                         .start = 0,
 162                                         .limit = pfb->ram->size - 1,
 163                                         .conf0 = NV50_DMA_CONF0_ENABLE |
 164                                                  NV50_DMA_CONF0_PART_256,
 165                                      }, sizeof(struct nv_dma_class), &object);
 166         if (ret)
 167                 return ret;
 168
 169         ret = nouveau_object_new(client, parent, NvEvoFB16,
 170                                  NV_DMA_IN_MEMORY_CLASS,
 171                                  &(struct nv_dma_class) {
 172                                         .flags = NV_DMA_TARGET_VRAM |
 173                                                  NV_DMA_ACCESS_RDWR,
 174                                         .start = 0,
 175                                         .limit = pfb->ram->size - 1,
 176                                         .conf0 = NV50_DMA_CONF0_ENABLE | 0x70 |
 177                                                  NV50_DMA_CONF0_PART_256,
 178                                  }, sizeof(struct nv_dma_class), &object);
 179         if (ret)
 180                 return ret;
 181
 182         ret = nouveau_object_new(client, parent, NvEvoFB32,
 183                                  NV_DMA_IN_MEMORY_CLASS,
 184                                  &(struct nv_dma_class) {
 185                                         .flags = NV_DMA_TARGET_VRAM |
 186                                                  NV_DMA_ACCESS_RDWR,
 187                                         .start = 0,
 188                                         .limit = pfb->ram->size - 1,
 189                                         .conf0 = NV50_DMA_CONF0_ENABLE | 0x7a |
 190                                                  NV50_DMA_CONF0_PART_256,
 191                                  }, sizeof(struct nv_dma_class), &object);
 192         return ret;
 193 }
 194
 195 static int
 196 nvc0_dmac_create_fbdma(struct nouveau_object *core, u32 parent)
 197 {
 198         struct nouveau_fb *pfb = nouveau_fb(core);
 199         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 200         struct nouveau_object *object;
 201         int ret = nouveau_object_new(client, parent, NvEvoVRAM_LP,
 202                                      NV_DMA_IN_MEMORY_CLASS,
 203                                      &(struct nv_dma_class) {
 204                                         .flags = NV_DMA_TARGET_VRAM |
 205                                                  NV_DMA_ACCESS_RDWR,
 206                                         .start = 0,
 207                                         .limit = pfb->ram->size - 1,
 208                                         .conf0 = NVC0_DMA_CONF0_ENABLE,
 209                                      }, sizeof(struct nv_dma_class), &object);
 210         if (ret)
 211                 return ret;
 212
 213         ret = nouveau_object_new(client, parent, NvEvoFB16,
 214                                  NV_DMA_IN_MEMORY_CLASS,
 215                                  &(struct nv_dma_class) {
 216                                         .flags = NV_DMA_TARGET_VRAM |
 217                                                  NV_DMA_ACCESS_RDWR,
 218                                         .start = 0,
 219                                         .limit = pfb->ram->size - 1,
 220                                         .conf0 = NVC0_DMA_CONF0_ENABLE | 0xfe,
 221                                  }, sizeof(struct nv_dma_class), &object);
 222         if (ret)
 223                 return ret;
 224
 225         ret = nouveau_object_new(client, parent, NvEvoFB32,
 226                                  NV_DMA_IN_MEMORY_CLASS,
 227                                  &(struct nv_dma_class) {
 228                                         .flags = NV_DMA_TARGET_VRAM |
 229                                                  NV_DMA_ACCESS_RDWR,
 230                                         .start = 0,
 231                                         .limit = pfb->ram->size - 1,
 232                                         .conf0 = NVC0_DMA_CONF0_ENABLE | 0xfe,
 233                                  }, sizeof(struct nv_dma_class), &object);
 234         return ret;
 235 }
 236
 237 static int
 238 nvd0_dmac_create_fbdma(struct nouveau_object *core, u32 parent)
 239 {
 240         struct nouveau_fb *pfb = nouveau_fb(core);
 241         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 242         struct nouveau_object *object;
 243         int ret = nouveau_object_new(client, parent, NvEvoVRAM_LP,
 244                                      NV_DMA_IN_MEMORY_CLASS,
 245                                      &(struct nv_dma_class) {
 246                                         .flags = NV_DMA_TARGET_VRAM |
 247                                                  NV_DMA_ACCESS_RDWR,
 248                                         .start = 0,
 249                                         .limit = pfb->ram->size - 1,
 250                                         .conf0 = NVD0_DMA_CONF0_ENABLE |
 251                                                  NVD0_DMA_CONF0_PAGE_LP,
 252                                      }, sizeof(struct nv_dma_class), &object);
 253         if (ret)
 254                 return ret;
 255
 256         ret = nouveau_object_new(client, parent, NvEvoFB32,
 257                                  NV_DMA_IN_MEMORY_CLASS,
 258                                  &(struct nv_dma_class) {
 259                                         .flags = NV_DMA_TARGET_VRAM |
 260                                                  NV_DMA_ACCESS_RDWR,
 261                                         .start = 0,
 262                                         .limit = pfb->ram->size - 1,
 263                                         .conf0 = NVD0_DMA_CONF0_ENABLE | 0xfe |
 264                                                  NVD0_DMA_CONF0_PAGE_LP,
 265                                  }, sizeof(struct nv_dma_class), &object);
 266         return ret;
 267 }
 268
 269 static int
 270 nv50_dmac_create(struct nouveau_object *core, u32 bclass, u8 head,
 271                  void *data, u32 size, u64 syncbuf,
 272                  struct nv50_dmac *dmac)
 273 {
 274         struct nouveau_fb *pfb = nouveau_fb(core);
 275         struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
 276         struct nouveau_object *object;
 277         u32 pushbuf = *(u32 *)data;
 278         int ret;
 279
 280         mutex_init(&dmac->lock);
 281
 282         dmac->ptr = pci_alloc_consistent(nv_device(core)->pdev, PAGE_SIZE,
 283                                         &dmac->handle);
 284         if (!dmac->ptr)
 285                 return -ENOMEM;
 286
 287         ret = nouveau_object_new(client, NVDRM_DEVICE, pushbuf,
 288                                  NV_DMA_FROM_MEMORY_CLASS,
 289                                  &(struct nv_dma_class) {
 290                                         .flags = NV_DMA_TARGET_PCI_US |
 291                                                  NV_DMA_ACCESS_RD,
 292                                         .start = dmac->handle + 0x0000,
 293                                         .limit = dmac->handle + 0x0fff,
 294                                  }, sizeof(struct nv_dma_class), &object);
 295         if (ret)
 296                 return ret;
 297
 298         ret = nv50_chan_create(core, bclass, head, data, size, &dmac->base);
 299         if (ret)
 300                 return ret;
 301
 302         ret = nouveau_object_new(client, dmac->base.handle, NvEvoSync,
 303                                  NV_DMA_IN_MEMORY_CLASS,
 304                                  &(struct nv_dma_class) {
 305                                         .flags = NV_DMA_TARGET_VRAM |
 306                                                  NV_DMA_ACCESS_RDWR,
 307                                         .start = syncbuf + 0x0000,
 308                                         .limit = syncbuf + 0x0fff,
 309                                  }, sizeof(struct nv_dma_class), &object);
 310         if (ret)
 311                 return ret;
 312
 313         ret = nouveau_object_new(client, dmac->base.handle, NvEvoVRAM,
 314                                  NV_DMA_IN_MEMORY_CLASS,
 315                                  &(struct nv_dma_class) {
 316                                         .flags = NV_DMA_TARGET_VRAM |
 317                                                  NV_DMA_ACCESS_RDWR,
 318                                         .start = 0,
 319                                         .limit = pfb->ram->size - 1,
 320                                  }, sizeof(struct nv_dma_class), &object);
 321         if (ret)
 322                 return ret;
 323
 324         if (nv_device(core)->card_type < NV_C0)
 325                 ret = nv50_dmac_create_fbdma(core, dmac->base.handle);
 326         else
 327         if (nv_device(core)->card_type < NV_D0)
 328                 ret = nvc0_dmac_create_fbdma(core, dmac->base.handle);
 329         else
 330                 ret = nvd0_dmac_create_fbdma(core, dmac->base.handle);
 331         return ret;
 332 }
 333
 334 struct nv50_mast {
 335         struct nv50_dmac base;
 336 };
 337
 338 struct nv50_curs {
 339         struct nv50_pioc base;
 340 };
 341
 342 struct nv50_sync {
 343         struct nv50_dmac base;
 344         u32 addr;
 345         u32 data;
 346 };
 347
 348 struct nv50_ovly {
 349         struct nv50_dmac base;
 350 };
 351
 352 struct nv50_oimm {
 353         struct nv50_pioc base;
 354 };
 355
 356 struct nv50_head {
 357         struct nouveau_crtc base;
 358         struct nouveau_bo *image;
 359         struct nv50_curs curs;
 360         struct nv50_sync sync;
 361         struct nv50_ovly ovly;
 362         struct nv50_oimm oimm;
 363 };
 364
 365 #define nv50_head(c) ((struct nv50_head *)nouveau_crtc(c))
 366 #define nv50_curs(c) (&nv50_head(c)->curs)
 367 #define nv50_sync(c) (&nv50_head(c)->sync)
 368 #define nv50_ovly(c) (&nv50_head(c)->ovly)
 369 #define nv50_oimm(c) (&nv50_head(c)->oimm)
 370 #define nv50_chan(c) (&(c)->base.base)
 371 #define nv50_vers(c) nv_mclass(nv50_chan(c)->user)
 372
 373 struct nv50_disp {
 374         struct nouveau_object *core;
 375         struct nv50_mast mast;
 376
 377         u32 modeset;
 378
 379         struct nouveau_bo *sync;
 380 };
 381
 382 static struct nv50_disp *
 383 nv50_disp(struct drm_device *dev)
 384 {
 385         return nouveau_display(dev)->priv;
 386 }
 387
 388 #define nv50_mast(d) (&nv50_disp(d)->mast)
 389
 390 static struct drm_crtc *
 391 nv50_display_crtc_get(struct drm_encoder *encoder)
 392 {
 393         return nouveau_encoder(encoder)->crtc;
 394 }
 395
 396 /******************************************************************************
 397  * EVO channel helpers
 398  *****************************************************************************/
 399 static u32 *
 400 evo_wait(void *evoc, int nr)
 401 {
 402         struct nv50_dmac *dmac = evoc;
 403         u32 put = nv_ro32(dmac->base.user, 0x0000) / 4;
 404
 405         mutex_lock(&dmac->lock);
 406         if (put + nr >= (PAGE_SIZE / 4) - 8) {
 407                 dmac->ptr[put] = 0x20000000;
 408
 409                 nv_wo32(dmac->base.user, 0x0000, 0x00000000);
 410                 if (!nv_wait(dmac->base.user, 0x0004, ~0, 0x00000000)) {
 411                         mutex_unlock(&dmac->lock);
 412                         NV_ERROR(dmac->base.user, "channel stalled\n");
 413                         return NULL;
 414                 }
 415
 416                 put = 0;
 417         }
 418
 419         return dmac->ptr + put;
 420 }
 421
 422 static void
 423 evo_kick(u32 *push, void *evoc)
 424 {
 425         struct nv50_dmac *dmac = evoc;
 426         nv_wo32(dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
 427         mutex_unlock(&dmac->lock);
 428 }
 429
 430 #define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
 431 #define evo_data(p,d)   *((p)++) = (d)
 432
 433 static bool
 434 evo_sync_wait(void *data)
 435 {
 436         if (nouveau_bo_rd32(data, EVO_MAST_NTFY) != 0x00000000)
 437                 return true;
 438         usleep_range(1, 2);
 439         return false;
 440 }
 441
 442 static int
 443 evo_sync(struct drm_device *dev)
 444 {
 445         struct nouveau_device *device = nouveau_dev(dev);
 446         struct nv50_disp *disp = nv50_disp(dev);
 447         struct nv50_mast *mast = nv50_mast(dev);
 448         u32 *push = evo_wait(mast, 8);
 449         if (push) {
 450                 nouveau_bo_wr32(disp->sync, EVO_MAST_NTFY, 0x00000000);
 451                 evo_mthd(push, 0x0084, 1);
 452                 evo_data(push, 0x80000000 | EVO_MAST_NTFY);
 453                 evo_mthd(push, 0x0080, 2);
 454                 evo_data(push, 0x00000000);
 455                 evo_data(push, 0x00000000);
 456                 evo_kick(push, mast);
 457                 if (nv_wait_cb(device, evo_sync_wait, disp->sync))
 458                         return 0;
 459         }
 460
 461         return -EBUSY;
 462 }
 463
 464 /******************************************************************************
 465  * Page flipping channel
 466  *****************************************************************************/
 467 struct nouveau_bo *
 468 nv50_display_crtc_sema(struct drm_device *dev, int crtc)
 469 {
 470         return nv50_disp(dev)->sync;
 471 }
 472
 473 struct nv50_display_flip {
 474         struct nv50_disp *disp;
 475         struct nv50_sync *chan;
 476 };
 477
 478 static bool
 479 nv50_display_flip_wait(void *data)
 480 {
 481         struct nv50_display_flip *flip = data;
 482         if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
 483                                               flip->chan->data)
 484                 return true;
 485         usleep_range(1, 2);
 486         return false;
 487 }
 488
 489 void
 490 nv50_display_flip_stop(struct drm_crtc *crtc)
 491 {
 492         struct nouveau_device *device = nouveau_dev(crtc->dev);
 493         struct nv50_display_flip flip = {
 494                 .disp = nv50_disp(crtc->dev),
 495                 .chan = nv50_sync(crtc),
 496         };
 497         u32 *push;
 498
 499         push = evo_wait(flip.chan, 8);
 500         if (push) {
 501                 evo_mthd(push, 0x0084, 1);
 502                 evo_data(push, 0x00000000);
 503                 evo_mthd(push, 0x0094, 1);
 504                 evo_data(push, 0x00000000);
 505                 evo_mthd(push, 0x00c0, 1);
 506                 evo_data(push, 0x00000000);
 507                 evo_mthd(push, 0x0080, 1);
 508                 evo_data(push, 0x00000000);
 509                 evo_kick(push, flip.chan);
 510         }
 511
 512         nv_wait_cb(device, nv50_display_flip_wait, &flip);
 513 }
 514
 515 int
 516 nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 517                        struct nouveau_channel *chan, u32 swap_interval)
 518 {
 519         struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
 520         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 521         struct nv50_head *head = nv50_head(crtc);
 522         struct nv50_sync *sync = nv50_sync(crtc);
 523         u32 *push;
 524         int ret;
 525
 526         swap_interval <<= 4;
 527         if (swap_interval == 0)
 528                 swap_interval |= 0x100;
 529         if (chan == NULL)
 530                 evo_sync(crtc->dev);
 531
 532         push = evo_wait(sync, 128);
 533         if (unlikely(push == NULL))
 534                 return -EBUSY;
 535
 536         if (chan && nv_mclass(chan->object) < NV84_CHANNEL_IND_CLASS) {
 537                 ret = RING_SPACE(chan, 8);
 538                 if (ret)
 539                         return ret;
 540
 541                 BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2);
 542                 OUT_RING  (chan, NvEvoSema0 + nv_crtc->index);
 543                 OUT_RING  (chan, sync->addr ^ 0x10);
 544                 BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_RELEASE, 1);
 545                 OUT_RING  (chan, sync->data + 1);
 546                 BEGIN_NV04(chan, 0, NV11_SUBCHAN_SEMAPHORE_OFFSET, 2);
 547                 OUT_RING  (chan, sync->addr);
 548                 OUT_RING  (chan, sync->data);
 549         } else
 550         if (chan && nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) {
 551                 u64 addr = nv84_fence_crtc(chan, nv_crtc->index) + sync->addr;
 552                 ret = RING_SPACE(chan, 12);
 553                 if (ret)
 554                         return ret;
 555
 556                 BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1);
 557                 OUT_RING  (chan, chan->vram);
 558                 BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
 559                 OUT_RING  (chan, upper_32_bits(addr ^ 0x10));
 560                 OUT_RING  (chan, lower_32_bits(addr ^ 0x10));
 561                 OUT_RING  (chan, sync->data + 1);
 562                 OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG);
 563                 BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
 564                 OUT_RING  (chan, upper_32_bits(addr));
 565                 OUT_RING  (chan, lower_32_bits(addr));
 566                 OUT_RING  (chan, sync->data);
 567                 OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL);
 568         } else
 569         if (chan) {
 570                 u64 addr = nv84_fence_crtc(chan, nv_crtc->index) + sync->addr;
 571                 ret = RING_SPACE(chan, 10);
 572                 if (ret)
 573                         return ret;
 574
 575                 BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
 576                 OUT_RING  (chan, upper_32_bits(addr ^ 0x10));
 577                 OUT_RING  (chan, lower_32_bits(addr ^ 0x10));
 578                 OUT_RING  (chan, sync->data + 1);
 579                 OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG |
 580                                  NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
 581                 BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
 582                 OUT_RING  (chan, upper_32_bits(addr));
 583                 OUT_RING  (chan, lower_32_bits(addr));
 584                 OUT_RING  (chan, sync->data);
 585                 OUT_RING  (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_EQUAL |
 586                                  NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
 587         }
 588
 589         if (chan) {
 590                 sync->addr ^= 0x10;
 591                 sync->data++;
 592                 FIRE_RING (chan);
 593         }
 594
 595         /* queue the flip */
 596         evo_mthd(push, 0x0100, 1);
 597         evo_data(push, 0xfffe0000);
 598         evo_mthd(push, 0x0084, 1);
 599         evo_data(push, swap_interval);
 600         if (!(swap_interval & 0x00000100)) {
 601                 evo_mthd(push, 0x00e0, 1);
 602                 evo_data(push, 0x40000000);
 603         }
 604         evo_mthd(push, 0x0088, 4);
 605         evo_data(push, sync->addr);
 606         evo_data(push, sync->data++);
 607         evo_data(push, sync->data);
 608         evo_data(push, NvEvoSync);
 609         evo_mthd(push, 0x00a0, 2);
 610         evo_data(push, 0x00000000);
 611         evo_data(push, 0x00000000);
 612         evo_mthd(push, 0x00c0, 1);
 613         evo_data(push, nv_fb->r_dma);
 614         evo_mthd(push, 0x0110, 2);
 615         evo_data(push, 0x00000000);
 616         evo_data(push, 0x00000000);
 617         if (nv50_vers(sync) < NVD0_DISP_SYNC_CLASS) {
 618                 evo_mthd(push, 0x0800, 5);
 619                 evo_data(push, nv_fb->nvbo->bo.offset >> 8);
 620                 evo_data(push, 0);
 621                 evo_data(push, (fb->height << 16) | fb->width);
 622                 evo_data(push, nv_fb->r_pitch);
 623                 evo_data(push, nv_fb->r_format);
 624         } else {
 625                 evo_mthd(push, 0x0400, 5);
 626                 evo_data(push, nv_fb->nvbo->bo.offset >> 8);
 627                 evo_data(push, 0);
 628                 evo_data(push, (fb->height << 16) | fb->width);
 629                 evo_data(push, nv_fb->r_pitch);
 630                 evo_data(push, nv_fb->r_format);
 631         }
 632         evo_mthd(push, 0x0080, 1);
 633         evo_data(push, 0x00000000);
 634         evo_kick(push, sync);
 635
 636         nouveau_bo_ref(nv_fb->nvbo, &head->image);
 637         return 0;
 638 }
 639
 640 /******************************************************************************
 641  * CRTC
 642  *****************************************************************************/
 643 static int
 644 nv50_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
 645 {
 646         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 647         struct nouveau_connector *nv_connector;
 648         struct drm_connector *connector;
 649         u32 *push, mode = 0x00;
 650
 651         nv_connector = nouveau_crtc_connector_get(nv_crtc);
 652         connector = &nv_connector->base;
 653         if (nv_connector->dithering_mode == DITHERING_MODE_AUTO) {
 654                 if (nv_crtc->base.fb->depth > connector->display_info.bpc * 3)
 655                         mode = DITHERING_MODE_DYNAMIC2X2;
 656         } else {
 657                 mode = nv_connector->dithering_mode;
 658         }
 659
 660         if (nv_connector->dithering_depth == DITHERING_DEPTH_AUTO) {
 661                 if (connector->display_info.bpc >= 8)
 662                         mode |= DITHERING_DEPTH_8BPC;
 663         } else {
 664                 mode |= nv_connector->dithering_depth;
 665         }
 666
 667         push = evo_wait(mast, 4);
 668         if (push) {
 669                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 670                         evo_mthd(push, 0x08a0 + (nv_crtc->index * 0x0400), 1);
 671                         evo_data(push, mode);
 672                 } else
 673                 if (nv50_vers(mast) < NVE0_DISP_MAST_CLASS) {
 674                         evo_mthd(push, 0x0490 + (nv_crtc->index * 0x0300), 1);
 675                         evo_data(push, mode);
 676                 } else {
 677                         evo_mthd(push, 0x04a0 + (nv_crtc->index * 0x0300), 1);
 678                         evo_data(push, mode);
 679                 }
 680
 681                 if (update) {
 682                         evo_mthd(push, 0x0080, 1);
 683                         evo_data(push, 0x00000000);
 684                 }
 685                 evo_kick(push, mast);
 686         }
 687
 688         return 0;
 689 }
 690
 691 static int
 692 nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
 693 {
 694         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 695         struct drm_display_mode *omode, *umode = &nv_crtc->base.mode;
 696         struct drm_crtc *crtc = &nv_crtc->base;
 697         struct nouveau_connector *nv_connector;
 698         int mode = DRM_MODE_SCALE_NONE;
 699         u32 oX, oY, *push;
 700
 701         /* start off at the resolution we programmed the crtc for, this
 702          * effectively handles NONE/FULL scaling
 703          */
 704         nv_connector = nouveau_crtc_connector_get(nv_crtc);
 705         if (nv_connector && nv_connector->native_mode)
 706                 mode = nv_connector->scaling_mode;
 707
 708         if (mode != DRM_MODE_SCALE_NONE)
 709                 omode = nv_connector->native_mode;
 710         else
 711                 omode = umode;
 712
 713         oX = omode->hdisplay;
 714         oY = omode->vdisplay;
 715         if (omode->flags & DRM_MODE_FLAG_DBLSCAN)
 716                 oY *= 2;
 717
 718         /* add overscan compensation if necessary, will keep the aspect
 719          * ratio the same as the backend mode unless overridden by the
 720          * user setting both hborder and vborder properties.
 721          */
 722         if (nv_connector && ( nv_connector->underscan == UNDERSCAN_ON ||
 723                              (nv_connector->underscan == UNDERSCAN_AUTO &&
 724                               nv_connector->edid &&
 725                               drm_detect_hdmi_monitor(nv_connector->edid)))) {
 726                 u32 bX = nv_connector->underscan_hborder;
 727                 u32 bY = nv_connector->underscan_vborder;
 728                 u32 aspect = (oY << 19) / oX;
 729
 730                 if (bX) {
 731                         oX -= (bX * 2);
 732                         if (bY) oY -= (bY * 2);
 733                         else    oY  = ((oX * aspect) + (aspect / 2)) >> 19;
 734                 } else {
 735                         oX -= (oX >> 4) + 32;
 736                         if (bY) oY -= (bY * 2);
 737                         else    oY  = ((oX * aspect) + (aspect / 2)) >> 19;
 738                 }
 739         }
 740
 741         /* handle CENTER/ASPECT scaling, taking into account the areas
 742          * removed already for overscan compensation
 743          */
 744         switch (mode) {
 745         case DRM_MODE_SCALE_CENTER:
 746                 oX = min((u32)umode->hdisplay, oX);
 747                 oY = min((u32)umode->vdisplay, oY);
 748                 /* fall-through */
 749         case DRM_MODE_SCALE_ASPECT:
 750                 if (oY < oX) {
 751                         u32 aspect = (umode->hdisplay << 19) / umode->vdisplay;
 752                         oX = ((oY * aspect) + (aspect / 2)) >> 19;
 753                 } else {
 754                         u32 aspect = (umode->vdisplay << 19) / umode->hdisplay;
 755                         oY = ((oX * aspect) + (aspect / 2)) >> 19;
 756                 }
 757                 break;
 758         default:
 759                 break;
 760         }
 761
 762         push = evo_wait(mast, 8);
 763         if (push) {
 764                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 765                         /*XXX: SCALE_CTRL_ACTIVE??? */
 766                         evo_mthd(push, 0x08d8 + (nv_crtc->index * 0x400), 2);
 767                         evo_data(push, (oY << 16) | oX);
 768                         evo_data(push, (oY << 16) | oX);
 769                         evo_mthd(push, 0x08a4 + (nv_crtc->index * 0x400), 1);
 770                         evo_data(push, 0x00000000);
 771                         evo_mthd(push, 0x08c8 + (nv_crtc->index * 0x400), 1);
 772                         evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
 773                 } else {
 774                         evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
 775                         evo_data(push, (oY << 16) | oX);
 776                         evo_data(push, (oY << 16) | oX);
 777                         evo_data(push, (oY << 16) | oX);
 778                         evo_mthd(push, 0x0494 + (nv_crtc->index * 0x300), 1);
 779                         evo_data(push, 0x00000000);
 780                         evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
 781                         evo_data(push, umode->vdisplay << 16 | umode->hdisplay);
 782                 }
 783
 784                 evo_kick(push, mast);
 785
 786                 if (update) {
 787                         nv50_display_flip_stop(crtc);
 788                         nv50_display_flip_next(crtc, crtc->fb, NULL, 1);
 789                 }
 790         }
 791
 792         return 0;
 793 }
 794
 795 static int
 796 nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update)
 797 {
 798         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 799         u32 *push, hue, vib;
 800         int adj;
 801
 802         adj = (nv_crtc->color_vibrance > 0) ? 50 : 0;
 803         vib = ((nv_crtc->color_vibrance * 2047 + adj) / 100) & 0xfff;
 804         hue = ((nv_crtc->vibrant_hue * 2047) / 100) & 0xfff;
 805
 806         push = evo_wait(mast, 16);
 807         if (push) {
 808                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 809                         evo_mthd(push, 0x08a8 + (nv_crtc->index * 0x400), 1);
 810                         evo_data(push, (hue << 20) | (vib << 8));
 811                 } else {
 812                         evo_mthd(push, 0x0498 + (nv_crtc->index * 0x300), 1);
 813                         evo_data(push, (hue << 20) | (vib << 8));
 814                 }
 815
 816                 if (update) {
 817                         evo_mthd(push, 0x0080, 1);
 818                         evo_data(push, 0x00000000);
 819                 }
 820                 evo_kick(push, mast);
 821         }
 822
 823         return 0;
 824 }
 825
 826 static int
 827 nv50_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
 828                     int x, int y, bool update)
 829 {
 830         struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
 831         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 832         u32 *push;
 833
 834         push = evo_wait(mast, 16);
 835         if (push) {
 836                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 837                         evo_mthd(push, 0x0860 + (nv_crtc->index * 0x400), 1);
 838                         evo_data(push, nvfb->nvbo->bo.offset >> 8);
 839                         evo_mthd(push, 0x0868 + (nv_crtc->index * 0x400), 3);
 840                         evo_data(push, (fb->height << 16) | fb->width);
 841                         evo_data(push, nvfb->r_pitch);
 842                         evo_data(push, nvfb->r_format);
 843                         evo_mthd(push, 0x08c0 + (nv_crtc->index * 0x400), 1);
 844                         evo_data(push, (y << 16) | x);
 845                         if (nv50_vers(mast) > NV50_DISP_MAST_CLASS) {
 846                                 evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 847                                 evo_data(push, nvfb->r_dma);
 848                         }
 849                 } else {
 850                         evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
 851                         evo_data(push, nvfb->nvbo->bo.offset >> 8);
 852                         evo_mthd(push, 0x0468 + (nv_crtc->index * 0x300), 4);
 853                         evo_data(push, (fb->height << 16) | fb->width);
 854                         evo_data(push, nvfb->r_pitch);
 855                         evo_data(push, nvfb->r_format);
 856                         evo_data(push, nvfb->r_dma);
 857                         evo_mthd(push, 0x04b0 + (nv_crtc->index * 0x300), 1);
 858                         evo_data(push, (y << 16) | x);
 859                 }
 860
 861                 if (update) {
 862                         evo_mthd(push, 0x0080, 1);
 863                         evo_data(push, 0x00000000);
 864                 }
 865                 evo_kick(push, mast);
 866         }
 867
 868         nv_crtc->fb.tile_flags = nvfb->r_dma;
 869         return 0;
 870 }
 871
 872 static void
 873 nv50_crtc_cursor_show(struct nouveau_crtc *nv_crtc)
 874 {
 875         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 876         u32 *push = evo_wait(mast, 16);
 877         if (push) {
 878                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 879                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
 880                         evo_data(push, 0x85000000);
 881                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
 882                 } else
 883                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 884                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 2);
 885                         evo_data(push, 0x85000000);
 886                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
 887                         evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
 888                         evo_data(push, NvEvoVRAM);
 889                 } else {
 890                         evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
 891                         evo_data(push, 0x85000000);
 892                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
 893                         evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
 894                         evo_data(push, NvEvoVRAM);
 895                 }
 896                 evo_kick(push, mast);
 897         }
 898 }
 899
 900 static void
 901 nv50_crtc_cursor_hide(struct nouveau_crtc *nv_crtc)
 902 {
 903         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 904         u32 *push = evo_wait(mast, 16);
 905         if (push) {
 906                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 907                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
 908                         evo_data(push, 0x05000000);
 909                 } else
 910                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
 911                         evo_mthd(push, 0x0880 + (nv_crtc->index * 0x400), 1);
 912                         evo_data(push, 0x05000000);
 913                         evo_mthd(push, 0x089c + (nv_crtc->index * 0x400), 1);
 914                         evo_data(push, 0x00000000);
 915                 } else {
 916                         evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 1);
 917                         evo_data(push, 0x05000000);
 918                         evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
 919                         evo_data(push, 0x00000000);
 920                 }
 921                 evo_kick(push, mast);
 922         }
 923 }
 924
 925 static void
 926 nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update)
 927 {
 928         struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev);
 929
 930         if (show)
 931                 nv50_crtc_cursor_show(nv_crtc);
 932         else
 933                 nv50_crtc_cursor_hide(nv_crtc);
 934
 935         if (update) {
 936                 u32 *push = evo_wait(mast, 2);
 937                 if (push) {
 938                         evo_mthd(push, 0x0080, 1);
 939                         evo_data(push, 0x00000000);
 940                         evo_kick(push, mast);
 941                 }
 942         }
 943 }
 944
 945 static void
 946 nv50_crtc_dpms(struct drm_crtc *crtc, int mode)
 947 {
 948 }
 949
 950 static void
 951 nv50_crtc_prepare(struct drm_crtc *crtc)
 952 {
 953         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 954         struct nv50_mast *mast = nv50_mast(crtc->dev);
 955         u32 *push;
 956
 957         nv50_display_flip_stop(crtc);
 958
 959         push = evo_wait(mast, 2);
 960         if (push) {
 961                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 962                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 963                         evo_data(push, 0x00000000);
 964                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
 965                         evo_data(push, 0x40000000);
 966                 } else
 967                 if (nv50_vers(mast) <  NVD0_DISP_MAST_CLASS) {
 968                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
 969                         evo_data(push, 0x00000000);
 970                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 1);
 971                         evo_data(push, 0x40000000);
 972                         evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
 973                         evo_data(push, 0x00000000);
 974                 } else {
 975                         evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
 976                         evo_data(push, 0x00000000);
 977                         evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 1);
 978                         evo_data(push, 0x03000000);
 979                         evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
 980                         evo_data(push, 0x00000000);
 981                 }
 982
 983                 evo_kick(push, mast);
 984         }
 985
 986         nv50_crtc_cursor_show_hide(nv_crtc, false, false);
 987 }
 988
 989 static void
 990 nv50_crtc_commit(struct drm_crtc *crtc)
 991 {
 992         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 993         struct nv50_mast *mast = nv50_mast(crtc->dev);
 994         u32 *push;
 995
 996         push = evo_wait(mast, 32);
 997         if (push) {
 998                 if (nv50_vers(mast) < NV84_DISP_MAST_CLASS) {
 999                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1000                         evo_data(push, NvEvoVRAM_LP);
1001                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
1002                         evo_data(push, 0xc0000000);
1003                         evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1004                 } else
1005                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1006                         evo_mthd(push, 0x0874 + (nv_crtc->index * 0x400), 1);
1007                         evo_data(push, nv_crtc->fb.tile_flags);
1008                         evo_mthd(push, 0x0840 + (nv_crtc->index * 0x400), 2);
1009                         evo_data(push, 0xc0000000);
1010                         evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1011                         evo_mthd(push, 0x085c + (nv_crtc->index * 0x400), 1);
1012                         evo_data(push, NvEvoVRAM);
1013                 } else {
1014                         evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
1015                         evo_data(push, nv_crtc->fb.tile_flags);
1016                         evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 4);
1017                         evo_data(push, 0x83000000);
1018                         evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
1019                         evo_data(push, 0x00000000);
1020                         evo_data(push, 0x00000000);
1021                         evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
1022                         evo_data(push, NvEvoVRAM);
1023                         evo_mthd(push, 0x0430 + (nv_crtc->index * 0x300), 1);
1024                         evo_data(push, 0xffffff00);
1025                 }
1026
1027                 evo_kick(push, mast);
1028         }
1029
1030         nv50_crtc_cursor_show_hide(nv_crtc, nv_crtc->cursor.visible, true);
1031         nv50_display_flip_next(crtc, crtc->fb, NULL, 1);
1032 }
1033
1034 static bool
1035 nv50_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode,
1036                      struct drm_display_mode *adjusted_mode)
1037 {
1038         return true;
1039 }
1040
1041 static int
1042 nv50_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
1043 {
1044         struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->fb);
1045         struct nv50_head *head = nv50_head(crtc);
1046         int ret;
1047
1048         ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM);
1049         if (ret == 0) {
1050                 if (head->image)
1051                         nouveau_bo_unpin(head->image);
1052                 nouveau_bo_ref(nvfb->nvbo, &head->image);
1053         }
1054
1055         return ret;
1056 }
1057
1058 static int
1059 nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
1060                    struct drm_display_mode *mode, int x, int y,
1061                    struct drm_framebuffer *old_fb)
1062 {
1063         struct nv50_mast *mast = nv50_mast(crtc->dev);
1064         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1065         struct nouveau_connector *nv_connector;
1066         u32 ilace = (mode->flags & DRM_MODE_FLAG_INTERLACE) ? 2 : 1;
1067         u32 vscan = (mode->flags & DRM_MODE_FLAG_DBLSCAN) ? 2 : 1;
1068         u32 hactive, hsynce, hbackp, hfrontp, hblanke, hblanks;
1069         u32 vactive, vsynce, vbackp, vfrontp, vblanke, vblanks;
1070         u32 vblan2e = 0, vblan2s = 1;
1071         u32 *push;
1072         int ret;
1073
1074         hactive = mode->htotal;
1075         hsynce  = mode->hsync_end - mode->hsync_start - 1;
1076         hbackp  = mode->htotal - mode->hsync_end;
1077         hblanke = hsynce + hbackp;
1078         hfrontp = mode->hsync_start - mode->hdisplay;
1079         hblanks = mode->htotal - hfrontp - 1;
1080
1081         vactive = mode->vtotal * vscan / ilace;
1082         vsynce  = ((mode->vsync_end - mode->vsync_start) * vscan / ilace) - 1;
1083         vbackp  = (mode->vtotal - mode->vsync_end) * vscan / ilace;
1084         vblanke = vsynce + vbackp;
1085         vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace;
1086         vblanks = vactive - vfrontp - 1;
1087         if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1088                 vblan2e = vactive + vsynce + vbackp;
1089                 vblan2s = vblan2e + (mode->vdisplay * vscan / ilace);
1090                 vactive = (vactive * 2) + 1;
1091         }
1092
1093         ret = nv50_crtc_swap_fbs(crtc, old_fb);
1094         if (ret)
1095                 return ret;
1096
1097         push = evo_wait(mast, 64);
1098         if (push) {
1099                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1100                         evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2);
1101                         evo_data(push, 0x00800000 | mode->clock);
1102                         evo_data(push, (ilace == 2) ? 2 : 0);
1103                         evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6);
1104                         evo_data(push, 0x00000000);
1105                         evo_data(push, (vactive << 16) | hactive);
1106                         evo_data(push, ( vsynce << 16) | hsynce);
1107                         evo_data(push, (vblanke << 16) | hblanke);
1108                         evo_data(push, (vblanks << 16) | hblanks);
1109                         evo_data(push, (vblan2e << 16) | vblan2s);
1110                         evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1);
1111                         evo_data(push, 0x00000000);
1112                         evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2);
1113                         evo_data(push, 0x00000311);
1114                         evo_data(push, 0x00000100);
1115                 } else {
1116                         evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 6);
1117                         evo_data(push, 0x00000000);
1118                         evo_data(push, (vactive << 16) | hactive);
1119                         evo_data(push, ( vsynce << 16) | hsynce);
1120                         evo_data(push, (vblanke << 16) | hblanke);
1121                         evo_data(push, (vblanks << 16) | hblanks);
1122                         evo_data(push, (vblan2e << 16) | vblan2s);
1123                         evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
1124                         evo_data(push, 0x00000000); /* ??? */
1125                         evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
1126                         evo_data(push, mode->clock * 1000);
1127                         evo_data(push, 0x00200000); /* ??? */
1128                         evo_data(push, mode->clock * 1000);
1129                         evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2);
1130                         evo_data(push, 0x00000311);
1131                         evo_data(push, 0x00000100);
1132                 }
1133
1134                 evo_kick(push, mast);
1135         }
1136
1137         nv_connector = nouveau_crtc_connector_get(nv_crtc);
1138         nv50_crtc_set_dither(nv_crtc, false);
1139         nv50_crtc_set_scale(nv_crtc, false);
1140         nv50_crtc_set_color_vibrance(nv_crtc, false);
1141         nv50_crtc_set_image(nv_crtc, crtc->fb, x, y, false);
1142         return 0;
1143 }
1144
1145 static int
1146 nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
1147                         struct drm_framebuffer *old_fb)
1148 {
1149         struct nouveau_drm *drm = nouveau_drm(crtc->dev);
1150         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1151         int ret;
1152
1153         if (!crtc->fb) {
1154                 NV_DEBUG(drm, "No FB bound\n");
1155                 return 0;
1156         }
1157
1158         ret = nv50_crtc_swap_fbs(crtc, old_fb);
1159         if (ret)
1160                 return ret;
1161
1162         nv50_display_flip_stop(crtc);
1163         nv50_crtc_set_image(nv_crtc, crtc->fb, x, y, true);
1164         nv50_display_flip_next(crtc, crtc->fb, NULL, 1);
1165         return 0;
1166 }
1167
1168 static int
1169 nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
1170                                struct drm_framebuffer *fb, int x, int y,
1171                                enum mode_set_atomic state)
1172 {
1173         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1174         nv50_display_flip_stop(crtc);
1175         nv50_crtc_set_image(nv_crtc, fb, x, y, true);
1176         return 0;
1177 }
1178
1179 static void
1180 nv50_crtc_lut_load(struct drm_crtc *crtc)
1181 {
1182         struct nv50_disp *disp = nv50_disp(crtc->dev);
1183         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1184         void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
1185         int i;
1186
1187         for (i = 0; i < 256; i++) {
1188                 u16 r = nv_crtc->lut.r[i] >> 2;
1189                 u16 g = nv_crtc->lut.g[i] >> 2;
1190                 u16 b = nv_crtc->lut.b[i] >> 2;
1191
1192                 if (nv_mclass(disp->core) < NVD0_DISP_CLASS) {
1193                         writew(r + 0x0000, lut + (i * 0x08) + 0);
1194                         writew(g + 0x0000, lut + (i * 0x08) + 2);
1195                         writew(b + 0x0000, lut + (i * 0x08) + 4);
1196                 } else {
1197                         writew(r + 0x6000, lut + (i * 0x20) + 0);
1198                         writew(g + 0x6000, lut + (i * 0x20) + 2);
1199                         writew(b + 0x6000, lut + (i * 0x20) + 4);
1200                 }
1201         }
1202 }
1203
1204 static void
1205 nv50_crtc_disable(struct drm_crtc *crtc)
1206 {
1207         struct nv50_head *head = nv50_head(crtc);
1208         if (head->image)
1209                 nouveau_bo_unpin(head->image);
1210         nouveau_bo_ref(NULL, &head->image);
1211 }
1212
1213 static int
1214 nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
1215                      uint32_t handle, uint32_t width, uint32_t height)
1216 {
1217         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1218         struct drm_device *dev = crtc->dev;
1219         struct drm_gem_object *gem;
1220         struct nouveau_bo *nvbo;
1221         bool visible = (handle != 0);
1222         int i, ret = 0;
1223
1224         if (visible) {
1225                 if (width != 64 || height != 64)
1226                         return -EINVAL;
1227
1228                 gem = drm_gem_object_lookup(dev, file_priv, handle);
1229                 if (unlikely(!gem))
1230                         return -ENOENT;
1231                 nvbo = nouveau_gem_object(gem);
1232
1233                 ret = nouveau_bo_map(nvbo);
1234                 if (ret == 0) {
1235                         for (i = 0; i < 64 * 64; i++) {
1236                                 u32 v = nouveau_bo_rd32(nvbo, i);
1237                                 nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, v);
1238                         }
1239                         nouveau_bo_unmap(nvbo);
1240                 }
1241
1242                 drm_gem_object_unreference_unlocked(gem);
1243         }
1244
1245         if (visible != nv_crtc->cursor.visible) {
1246                 nv50_crtc_cursor_show_hide(nv_crtc, visible, true);
1247                 nv_crtc->cursor.visible = visible;
1248         }
1249
1250         return ret;
1251 }
1252
1253 static int
1254 nv50_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
1255 {
1256         struct nv50_curs *curs = nv50_curs(crtc);
1257         struct nv50_chan *chan = nv50_chan(curs);
1258         nv_wo32(chan->user, 0x0084, (y << 16) | (x & 0xffff));
1259         nv_wo32(chan->user, 0x0080, 0x00000000);
1260         return 0;
1261 }
1262
1263 static void
1264 nv50_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
1265                     uint32_t start, uint32_t size)
1266 {
1267         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1268         u32 end = max(start + size, (u32)256);
1269         u32 i;
1270
1271         for (i = start; i < end; i++) {
1272                 nv_crtc->lut.r[i] = r[i];
1273                 nv_crtc->lut.g[i] = g[i];
1274                 nv_crtc->lut.b[i] = b[i];
1275         }
1276
1277         nv50_crtc_lut_load(crtc);
1278 }
1279
1280 static void
1281 nv50_crtc_destroy(struct drm_crtc *crtc)
1282 {
1283         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1284         struct nv50_disp *disp = nv50_disp(crtc->dev);
1285         struct nv50_head *head = nv50_head(crtc);
1286
1287         nv50_dmac_destroy(disp->core, &head->ovly.base);
1288         nv50_pioc_destroy(disp->core, &head->oimm.base);
1289         nv50_dmac_destroy(disp->core, &head->sync.base);
1290         nv50_pioc_destroy(disp->core, &head->curs.base);
1291
1292         /*XXX: this shouldn't be necessary, but the core doesn't call
1293          *     disconnect() during the cleanup paths
1294          */
1295         if (head->image)
1296                 nouveau_bo_unpin(head->image);
1297         nouveau_bo_ref(NULL, &head->image);
1298
1299         nouveau_bo_unmap(nv_crtc->cursor.nvbo);
1300         if (nv_crtc->cursor.nvbo)
1301                 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1302         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
1303
1304         nouveau_bo_unmap(nv_crtc->lut.nvbo);
1305         if (nv_crtc->lut.nvbo)
1306                 nouveau_bo_unpin(nv_crtc->lut.nvbo);
1307         nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
1308
1309         drm_crtc_cleanup(crtc);
1310         kfree(crtc);
1311 }
1312
1313 static const struct drm_crtc_helper_funcs nv50_crtc_hfunc = {
1314         .dpms = nv50_crtc_dpms,
1315         .prepare = nv50_crtc_prepare,
1316         .commit = nv50_crtc_commit,
1317         .mode_fixup = nv50_crtc_mode_fixup,
1318         .mode_set = nv50_crtc_mode_set,
1319         .mode_set_base = nv50_crtc_mode_set_base,
1320         .mode_set_base_atomic = nv50_crtc_mode_set_base_atomic,
1321         .load_lut = nv50_crtc_lut_load,
1322         .disable = nv50_crtc_disable,
1323 };
1324
1325 static const struct drm_crtc_funcs nv50_crtc_func = {
1326         .cursor_set = nv50_crtc_cursor_set,
1327         .cursor_move = nv50_crtc_cursor_move,
1328         .gamma_set = nv50_crtc_gamma_set,
1329         .set_config = nouveau_crtc_set_config,
1330         .destroy = nv50_crtc_destroy,
1331         .page_flip = nouveau_crtc_page_flip,
1332 };
1333
1334 static void
1335 nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
1336 {
1337 }
1338
1339 static void
1340 nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
1341 {
1342 }
1343
1344 static int
1345 nv50_crtc_create(struct drm_device *dev, struct nouveau_object *core, int index)
1346 {
1347         struct nv50_disp *disp = nv50_disp(dev);
1348         struct nv50_head *head;
1349         struct drm_crtc *crtc;
1350         int ret, i;
1351
1352         head = kzalloc(sizeof(*head), GFP_KERNEL);
1353         if (!head)
1354                 return -ENOMEM;
1355
1356         head->base.index = index;
1357         head->base.set_dither = nv50_crtc_set_dither;
1358         head->base.set_scale = nv50_crtc_set_scale;
1359         head->base.set_color_vibrance = nv50_crtc_set_color_vibrance;
1360         head->base.color_vibrance = 50;
1361         head->base.vibrant_hue = 0;
1362         head->base.cursor.set_offset = nv50_cursor_set_offset;
1363         head->base.cursor.set_pos = nv50_cursor_set_pos;
1364         for (i = 0; i < 256; i++) {
1365                 head->base.lut.r[i] = i << 8;
1366                 head->base.lut.g[i] = i << 8;
1367                 head->base.lut.b[i] = i << 8;
1368         }
1369
1370         crtc = &head->base.base;
1371         drm_crtc_init(dev, crtc, &nv50_crtc_func);
1372         drm_crtc_helper_add(crtc, &nv50_crtc_hfunc);
1373         drm_mode_crtc_set_gamma_size(crtc, 256);
1374
1375         ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
1376                              0, 0x0000, NULL, &head->base.lut.nvbo);
1377         if (!ret) {
1378                 ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM);
1379                 if (!ret) {
1380                         ret = nouveau_bo_map(head->base.lut.nvbo);
1381                         if (ret)
1382                                 nouveau_bo_unpin(head->base.lut.nvbo);
1383                 }
1384                 if (ret)
1385                         nouveau_bo_ref(NULL, &head->base.lut.nvbo);
1386         }
1387
1388         if (ret)
1389                 goto out;
1390
1391         nv50_crtc_lut_load(crtc);
1392
1393         /* allocate cursor resources */
1394         ret = nv50_pioc_create(disp->core, NV50_DISP_CURS_CLASS, index,
1395                               &(struct nv50_display_curs_class) {
1396                                         .head = index,
1397                               }, sizeof(struct nv50_display_curs_class),
1398                               &head->curs.base);
1399         if (ret)
1400                 goto out;
1401
1402         ret = nouveau_bo_new(dev, 64 * 64 * 4, 0x100, TTM_PL_FLAG_VRAM,
1403                              0, 0x0000, NULL, &head->base.cursor.nvbo);
1404         if (!ret) {
1405                 ret = nouveau_bo_pin(head->base.cursor.nvbo, TTM_PL_FLAG_VRAM);
1406                 if (!ret) {
1407                         ret = nouveau_bo_map(head->base.cursor.nvbo);
1408                         if (ret)
1409                                 nouveau_bo_unpin(head->base.lut.nvbo);
1410                 }
1411                 if (ret)
1412                         nouveau_bo_ref(NULL, &head->base.cursor.nvbo);
1413         }
1414
1415         if (ret)
1416                 goto out;
1417
1418         /* allocate page flip / sync resources */
1419         ret = nv50_dmac_create(disp->core, NV50_DISP_SYNC_CLASS, index,
1420                               &(struct nv50_display_sync_class) {
1421                                         .pushbuf = EVO_PUSH_HANDLE(SYNC, index),
1422                                         .head = index,
1423                               }, sizeof(struct nv50_display_sync_class),
1424                               disp->sync->bo.offset, &head->sync.base);
1425         if (ret)
1426                 goto out;
1427
1428         head->sync.addr = EVO_FLIP_SEM0(index);
1429         head->sync.data = 0x00000000;
1430
1431         /* allocate overlay resources */
1432         ret = nv50_pioc_create(disp->core, NV50_DISP_OIMM_CLASS, index,
1433                               &(struct nv50_display_oimm_class) {
1434                                         .head = index,
1435                               }, sizeof(struct nv50_display_oimm_class),
1436                               &head->oimm.base);
1437         if (ret)
1438                 goto out;
1439
1440         ret = nv50_dmac_create(disp->core, NV50_DISP_OVLY_CLASS, index,
1441                               &(struct nv50_display_ovly_class) {
1442                                         .pushbuf = EVO_PUSH_HANDLE(OVLY, index),
1443                                         .head = index,
1444                               }, sizeof(struct nv50_display_ovly_class),
1445                               disp->sync->bo.offset, &head->ovly.base);
1446         if (ret)
1447                 goto out;
1448
1449 out:
1450         if (ret)
1451                 nv50_crtc_destroy(crtc);
1452         return ret;
1453 }
1454
1455 /******************************************************************************
1456  * DAC
1457  *****************************************************************************/
1458 static void
1459 nv50_dac_dpms(struct drm_encoder *encoder, int mode)
1460 {
1461         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1462         struct nv50_disp *disp = nv50_disp(encoder->dev);
1463         int or = nv_encoder->or;
1464         u32 dpms_ctrl;
1465
1466         dpms_ctrl = 0x00000000;
1467         if (mode == DRM_MODE_DPMS_STANDBY || mode == DRM_MODE_DPMS_OFF)
1468                 dpms_ctrl |= 0x00000001;
1469         if (mode == DRM_MODE_DPMS_SUSPEND || mode == DRM_MODE_DPMS_OFF)
1470                 dpms_ctrl |= 0x00000004;
1471
1472         nv_call(disp->core, NV50_DISP_DAC_PWR + or, dpms_ctrl);
1473 }
1474
1475 static bool
1476 nv50_dac_mode_fixup(struct drm_encoder *encoder,
1477                     const struct drm_display_mode *mode,
1478                     struct drm_display_mode *adjusted_mode)
1479 {
1480         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1481         struct nouveau_connector *nv_connector;
1482
1483         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1484         if (nv_connector && nv_connector->native_mode) {
1485                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
1486                         int id = adjusted_mode->base.id;
1487                         *adjusted_mode = *nv_connector->native_mode;
1488                         adjusted_mode->base.id = id;
1489                 }
1490         }
1491
1492         return true;
1493 }
1494
1495 static void
1496 nv50_dac_commit(struct drm_encoder *encoder)
1497 {
1498 }
1499
1500 static void
1501 nv50_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
1502                   struct drm_display_mode *adjusted_mode)
1503 {
1504         struct nv50_mast *mast = nv50_mast(encoder->dev);
1505         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1506         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1507         u32 *push;
1508
1509         nv50_dac_dpms(encoder, DRM_MODE_DPMS_ON);
1510
1511         push = evo_wait(mast, 8);
1512         if (push) {
1513                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1514                         u32 syncs = 0x00000000;
1515
1516                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1517                                 syncs |= 0x00000001;
1518                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1519                                 syncs |= 0x00000002;
1520
1521                         evo_mthd(push, 0x0400 + (nv_encoder->or * 0x080), 2);
1522                         evo_data(push, 1 << nv_crtc->index);
1523                         evo_data(push, syncs);
1524                 } else {
1525                         u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
1526                         u32 syncs = 0x00000001;
1527
1528                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1529                                 syncs |= 0x00000008;
1530                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1531                                 syncs |= 0x00000010;
1532
1533                         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1534                                 magic |= 0x00000001;
1535
1536                         evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
1537                         evo_data(push, syncs);
1538                         evo_data(push, magic);
1539                         evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 1);
1540                         evo_data(push, 1 << nv_crtc->index);
1541                 }
1542
1543                 evo_kick(push, mast);
1544         }
1545
1546         nv_encoder->crtc = encoder->crtc;
1547 }
1548
1549 static void
1550 nv50_dac_disconnect(struct drm_encoder *encoder)
1551 {
1552         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1553         struct nv50_mast *mast = nv50_mast(encoder->dev);
1554         const int or = nv_encoder->or;
1555         u32 *push;
1556
1557         if (nv_encoder->crtc) {
1558                 nv50_crtc_prepare(nv_encoder->crtc);
1559
1560                 push = evo_wait(mast, 4);
1561                 if (push) {
1562                         if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1563                                 evo_mthd(push, 0x0400 + (or * 0x080), 1);
1564                                 evo_data(push, 0x00000000);
1565                         } else {
1566                                 evo_mthd(push, 0x0180 + (or * 0x020), 1);
1567                                 evo_data(push, 0x00000000);
1568                         }
1569                         evo_kick(push, mast);
1570                 }
1571         }
1572
1573         nv_encoder->crtc = NULL;
1574 }
1575
1576 static enum drm_connector_status
1577 nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
1578 {
1579         struct nv50_disp *disp = nv50_disp(encoder->dev);
1580         int ret, or = nouveau_encoder(encoder)->or;
1581         u32 load = nouveau_drm(encoder->dev)->vbios.dactestval;
1582         if (load == 0)
1583                 load = 340;
1584
1585         ret = nv_exec(disp->core, NV50_DISP_DAC_LOAD + or, &load, sizeof(load));
1586         if (ret || !load)
1587                 return connector_status_disconnected;
1588
1589         return connector_status_connected;
1590 }
1591
1592 static void
1593 nv50_dac_destroy(struct drm_encoder *encoder)
1594 {
1595         drm_encoder_cleanup(encoder);
1596         kfree(encoder);
1597 }
1598
1599 static const struct drm_encoder_helper_funcs nv50_dac_hfunc = {
1600         .dpms = nv50_dac_dpms,
1601         .mode_fixup = nv50_dac_mode_fixup,
1602         .prepare = nv50_dac_disconnect,
1603         .commit = nv50_dac_commit,
1604         .mode_set = nv50_dac_mode_set,
1605         .disable = nv50_dac_disconnect,
1606         .get_crtc = nv50_display_crtc_get,
1607         .detect = nv50_dac_detect
1608 };
1609
1610 static const struct drm_encoder_funcs nv50_dac_func = {
1611         .destroy = nv50_dac_destroy,
1612 };
1613
1614 static int
1615 nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
1616 {
1617         struct nouveau_drm *drm = nouveau_drm(connector->dev);
1618         struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
1619         struct nouveau_encoder *nv_encoder;
1620         struct drm_encoder *encoder;
1621         int type = DRM_MODE_ENCODER_DAC;
1622
1623         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
1624         if (!nv_encoder)
1625                 return -ENOMEM;
1626         nv_encoder->dcb = dcbe;
1627         nv_encoder->or = ffs(dcbe->or) - 1;
1628         nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
1629
1630         encoder = to_drm_encoder(nv_encoder);
1631         encoder->possible_crtcs = dcbe->heads;
1632         encoder->possible_clones = 0;
1633         drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type);
1634         drm_encoder_helper_add(encoder, &nv50_dac_hfunc);
1635
1636         drm_mode_connector_attach_encoder(connector, encoder);
1637         return 0;
1638 }
1639
1640 /******************************************************************************
1641  * Audio
1642  *****************************************************************************/
1643 static void
1644 nv50_audio_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1645 {
1646         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1647         struct nouveau_connector *nv_connector;
1648         struct nv50_disp *disp = nv50_disp(encoder->dev);
1649
1650         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1651         if (!drm_detect_monitor_audio(nv_connector->edid))
1652                 return;
1653
1654         drm_edid_to_eld(&nv_connector->base, nv_connector->edid);
1655
1656         nv_exec(disp->core, NVA3_DISP_SOR_HDA_ELD + nv_encoder->or,
1657                             nv_connector->base.eld,
1658                             nv_connector->base.eld[2] * 4);
1659 }
1660
1661 static void
1662 nv50_audio_disconnect(struct drm_encoder *encoder)
1663 {
1664         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1665         struct nv50_disp *disp = nv50_disp(encoder->dev);
1666
1667         nv_exec(disp->core, NVA3_DISP_SOR_HDA_ELD + nv_encoder->or, NULL, 0);
1668 }
1669
1670 /******************************************************************************
1671  * HDMI
1672  *****************************************************************************/
1673 static void
1674 nv50_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode)
1675 {
1676         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1677         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1678         struct nouveau_connector *nv_connector;
1679         struct nv50_disp *disp = nv50_disp(encoder->dev);
1680         const u32 moff = (nv_crtc->index << 3) | nv_encoder->or;
1681         u32 rekey = 56; /* binary driver, and tegra constant */
1682         u32 max_ac_packet;
1683
1684         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1685         if (!drm_detect_hdmi_monitor(nv_connector->edid))
1686                 return;
1687
1688         max_ac_packet  = mode->htotal - mode->hdisplay;
1689         max_ac_packet -= rekey;
1690         max_ac_packet -= 18; /* constant from tegra */
1691         max_ac_packet /= 32;
1692
1693         nv_call(disp->core, NV84_DISP_SOR_HDMI_PWR + moff,
1694                             NV84_DISP_SOR_HDMI_PWR_STATE_ON |
1695                             (max_ac_packet << 16) | rekey);
1696
1697         nv50_audio_mode_set(encoder, mode);
1698 }
1699
1700 static void
1701 nv50_hdmi_disconnect(struct drm_encoder *encoder)
1702 {
1703         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1704         struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc);
1705         struct nv50_disp *disp = nv50_disp(encoder->dev);
1706         const u32 moff = (nv_crtc->index << 3) | nv_encoder->or;
1707
1708         nv50_audio_disconnect(encoder);
1709
1710         nv_call(disp->core, NV84_DISP_SOR_HDMI_PWR + moff, 0x00000000);
1711 }
1712
1713 /******************************************************************************
1714  * SOR
1715  *****************************************************************************/
1716 static void
1717 nv50_sor_dpms(struct drm_encoder *encoder, int mode)
1718 {
1719         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1720         struct drm_device *dev = encoder->dev;
1721         struct nv50_disp *disp = nv50_disp(dev);
1722         struct drm_encoder *partner;
1723         int or = nv_encoder->or;
1724
1725         nv_encoder->last_dpms = mode;
1726
1727         list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
1728                 struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
1729
1730                 if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
1731                         continue;
1732
1733                 if (nv_partner != nv_encoder &&
1734                     nv_partner->dcb->or == nv_encoder->dcb->or) {
1735                         if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
1736                                 return;
1737                         break;
1738                 }
1739         }
1740
1741         nv_call(disp->core, NV50_DISP_SOR_PWR + or, (mode == DRM_MODE_DPMS_ON));
1742 }
1743
1744 static bool
1745 nv50_sor_mode_fixup(struct drm_encoder *encoder,
1746                     const struct drm_display_mode *mode,
1747                     struct drm_display_mode *adjusted_mode)
1748 {
1749         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1750         struct nouveau_connector *nv_connector;
1751
1752         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1753         if (nv_connector && nv_connector->native_mode) {
1754                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
1755                         int id = adjusted_mode->base.id;
1756                         *adjusted_mode = *nv_connector->native_mode;
1757                         adjusted_mode->base.id = id;
1758                 }
1759         }
1760
1761         return true;
1762 }
1763
1764 static void
1765 nv50_sor_disconnect(struct drm_encoder *encoder)
1766 {
1767         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1768         struct nv50_mast *mast = nv50_mast(encoder->dev);
1769         const int or = nv_encoder->or;
1770         u32 *push;
1771
1772         if (nv_encoder->crtc) {
1773                 nv50_crtc_prepare(nv_encoder->crtc);
1774
1775                 push = evo_wait(mast, 4);
1776                 if (push) {
1777                         if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
1778                                 evo_mthd(push, 0x0600 + (or * 0x40), 1);
1779                                 evo_data(push, 0x00000000);
1780                         } else {
1781                                 evo_mthd(push, 0x0200 + (or * 0x20), 1);
1782                                 evo_data(push, 0x00000000);
1783                         }
1784                         evo_kick(push, mast);
1785                 }
1786
1787                 nv50_hdmi_disconnect(encoder);
1788         }
1789
1790         nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
1791         nv_encoder->crtc = NULL;
1792 }
1793
1794 static void
1795 nv50_sor_commit(struct drm_encoder *encoder)
1796 {
1797 }
1798
1799 static void
1800 nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
1801                   struct drm_display_mode *mode)
1802 {
1803         struct nv50_disp *disp = nv50_disp(encoder->dev);
1804         struct nv50_mast *mast = nv50_mast(encoder->dev);
1805         struct drm_device *dev = encoder->dev;
1806         struct nouveau_drm *drm = nouveau_drm(dev);
1807         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1808         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
1809         struct nouveau_connector *nv_connector;
1810         struct nvbios *bios = &drm->vbios;
1811         u32 *push, lvds = 0;
1812         u8 owner = 1 << nv_crtc->index;
1813         u8 proto = 0xf;
1814         u8 depth = 0x0;
1815
1816         nv_connector = nouveau_encoder_connector_get(nv_encoder);
1817         switch (nv_encoder->dcb->type) {
1818         case DCB_OUTPUT_TMDS:
1819                 if (nv_encoder->dcb->sorconf.link & 1) {
1820                         if (mode->clock < 165000)
1821                                 proto = 0x1;
1822                         else
1823                                 proto = 0x5;
1824                 } else {
1825                         proto = 0x2;
1826                 }
1827
1828                 nv50_hdmi_mode_set(encoder, mode);
1829                 break;
1830         case DCB_OUTPUT_LVDS:
1831                 proto = 0x0;
1832
1833                 if (bios->fp_no_ddc) {
1834                         if (bios->fp.dual_link)
1835                                 lvds |= 0x0100;
1836                         if (bios->fp.if_is_24bit)
1837                                 lvds |= 0x0200;
1838                 } else {
1839                         if (nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
1840                                 if (((u8 *)nv_connector->edid)[121] == 2)
1841                                         lvds |= 0x0100;
1842                         } else
1843                         if (mode->clock >= bios->fp.duallink_transition_clk) {
1844                                 lvds |= 0x0100;
1845                         }
1846
1847                         if (lvds & 0x0100) {
1848                                 if (bios->fp.strapless_is_24bit & 2)
1849                                         lvds |= 0x0200;
1850                         } else {
1851                                 if (bios->fp.strapless_is_24bit & 1)
1852                                         lvds |= 0x0200;
1853                         }
1854
1855                         if (nv_connector->base.display_info.bpc == 8)
1856                                 lvds |= 0x0200;
1857                 }
1858
1859                 nv_call(disp->core, NV50_DISP_SOR_LVDS_SCRIPT + nv_encoder->or, lvds);
1860                 break;
1861         case DCB_OUTPUT_DP:
1862                 if (nv_connector->base.display_info.bpc == 6) {
1863                         nv_encoder->dp.datarate = mode->clock * 18 / 8;
1864                         depth = 0x2;
1865                 } else
1866                 if (nv_connector->base.display_info.bpc == 8) {
1867                         nv_encoder->dp.datarate = mode->clock * 24 / 8;
1868                         depth = 0x5;
1869                 } else {
1870                         nv_encoder->dp.datarate = mode->clock * 30 / 8;
1871                         depth = 0x6;
1872                 }
1873
1874                 if (nv_encoder->dcb->sorconf.link & 1)
1875                         proto = 0x8;
1876                 else
1877                         proto = 0x9;
1878                 break;
1879         default:
1880                 BUG_ON(1);
1881                 break;
1882         }
1883
1884         nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON);
1885
1886         push = evo_wait(nv50_mast(dev), 8);
1887         if (push) {
1888                 if (nv50_vers(mast) < NVD0_DISP_CLASS) {
1889                         u32 ctrl = (depth << 16) | (proto << 8) | owner;
1890                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1891                                 ctrl |= 0x00001000;
1892                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1893                                 ctrl |= 0x00002000;
1894                         evo_mthd(push, 0x0600 + (nv_encoder->or * 0x040), 1);
1895                         evo_data(push, ctrl);
1896                 } else {
1897                         u32 magic = 0x31ec6000 | (nv_crtc->index << 25);
1898                         u32 syncs = 0x00000001;
1899
1900                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
1901                                 syncs |= 0x00000008;
1902                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
1903                                 syncs |= 0x00000010;
1904
1905                         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1906                                 magic |= 0x00000001;
1907
1908                         evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
1909                         evo_data(push, syncs | (depth << 6));
1910                         evo_data(push, magic);
1911                         evo_mthd(push, 0x0200 + (nv_encoder->or * 0x020), 1);
1912                         evo_data(push, owner | (proto << 8));
1913                 }
1914
1915                 evo_kick(push, mast);
1916         }
1917
1918         nv_encoder->crtc = encoder->crtc;
1919 }
1920
1921 static void
1922 nv50_sor_destroy(struct drm_encoder *encoder)
1923 {
1924         drm_encoder_cleanup(encoder);
1925         kfree(encoder);
1926 }
1927
1928 static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
1929         .dpms = nv50_sor_dpms,
1930         .mode_fixup = nv50_sor_mode_fixup,
1931         .prepare = nv50_sor_disconnect,
1932         .commit = nv50_sor_commit,
1933         .mode_set = nv50_sor_mode_set,
1934         .disable = nv50_sor_disconnect,
1935         .get_crtc = nv50_display_crtc_get,
1936 };
1937
1938 static const struct drm_encoder_funcs nv50_sor_func = {
1939         .destroy = nv50_sor_destroy,
1940 };
1941
1942 static int
1943 nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
1944 {
1945         struct nouveau_drm *drm = nouveau_drm(connector->dev);
1946         struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
1947         struct nouveau_encoder *nv_encoder;
1948         struct drm_encoder *encoder;
1949         int type;
1950
1951         switch (dcbe->type) {
1952         case DCB_OUTPUT_LVDS: type = DRM_MODE_ENCODER_LVDS; break;
1953         case DCB_OUTPUT_TMDS:
1954         case DCB_OUTPUT_DP:
1955         default:
1956                 type = DRM_MODE_ENCODER_TMDS;
1957                 break;
1958         }
1959
1960         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
1961         if (!nv_encoder)
1962                 return -ENOMEM;
1963         nv_encoder->dcb = dcbe;
1964         nv_encoder->or = ffs(dcbe->or) - 1;
1965         nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
1966         nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
1967
1968         encoder = to_drm_encoder(nv_encoder);
1969         encoder->possible_crtcs = dcbe->heads;
1970         encoder->possible_clones = 0;
1971         drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type);
1972         drm_encoder_helper_add(encoder, &nv50_sor_hfunc);
1973
1974         drm_mode_connector_attach_encoder(connector, encoder);
1975         return 0;
1976 }
1977
1978 /******************************************************************************
1979  * PIOR
1980  *****************************************************************************/
1981
1982 static void
1983 nv50_pior_dpms(struct drm_encoder *encoder, int mode)
1984 {
1985         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1986         struct nv50_disp *disp = nv50_disp(encoder->dev);
1987         u32 mthd = (nv_encoder->dcb->type << 12) | nv_encoder->or;
1988         u32 ctrl = (mode == DRM_MODE_DPMS_ON);
1989         nv_call(disp->core, NV50_DISP_PIOR_PWR + mthd, ctrl);
1990 }
1991
1992 static bool
1993 nv50_pior_mode_fixup(struct drm_encoder *encoder,
1994                      const struct drm_display_mode *mode,
1995                      struct drm_display_mode *adjusted_mode)
1996 {
1997         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
1998         struct nouveau_connector *nv_connector;
1999
2000         nv_connector = nouveau_encoder_connector_get(nv_encoder);
2001         if (nv_connector && nv_connector->native_mode) {
2002                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
2003                         int id = adjusted_mode->base.id;
2004                         *adjusted_mode = *nv_connector->native_mode;
2005                         adjusted_mode->base.id = id;
2006                 }
2007         }
2008
2009         adjusted_mode->clock *= 2;
2010         return true;
2011 }
2012
2013 static void
2014 nv50_pior_commit(struct drm_encoder *encoder)
2015 {
2016 }
2017
2018 static void
2019 nv50_pior_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
2020                    struct drm_display_mode *adjusted_mode)
2021 {
2022         struct nv50_mast *mast = nv50_mast(encoder->dev);
2023         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2024         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
2025         struct nouveau_connector *nv_connector;
2026         u8 owner = 1 << nv_crtc->index;
2027         u8 proto, depth;
2028         u32 *push;
2029
2030         nv_connector = nouveau_encoder_connector_get(nv_encoder);
2031         switch (nv_connector->base.display_info.bpc) {
2032         case 10: depth = 0x6; break;
2033         case  8: depth = 0x5; break;
2034         case  6: depth = 0x2; break;
2035         default: depth = 0x0; break;
2036         }
2037
2038         switch (nv_encoder->dcb->type) {
2039         case DCB_OUTPUT_TMDS:
2040         case DCB_OUTPUT_DP:
2041                 proto = 0x0;
2042                 break;
2043         default:
2044                 BUG_ON(1);
2045                 break;
2046         }
2047
2048         nv50_pior_dpms(encoder, DRM_MODE_DPMS_ON);
2049
2050         push = evo_wait(mast, 8);
2051         if (push) {
2052                 if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
2053                         u32 ctrl = (depth << 16) | (proto << 8) | owner;
2054                         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
2055                                 ctrl |= 0x00001000;
2056                         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
2057                                 ctrl |= 0x00002000;
2058                         evo_mthd(push, 0x0700 + (nv_encoder->or * 0x040), 1);
2059                         evo_data(push, ctrl);
2060                 }
2061
2062                 evo_kick(push, mast);
2063         }
2064
2065         nv_encoder->crtc = encoder->crtc;
2066 }
2067
2068 static void
2069 nv50_pior_disconnect(struct drm_encoder *encoder)
2070 {
2071         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
2072         struct nv50_mast *mast = nv50_mast(encoder->dev);
2073         const int or = nv_encoder->or;
2074         u32 *push;
2075
2076         if (nv_encoder->crtc) {
2077                 nv50_crtc_prepare(nv_encoder->crtc);
2078
2079                 push = evo_wait(mast, 4);
2080                 if (push) {
2081                         if (nv50_vers(mast) < NVD0_DISP_MAST_CLASS) {
2082                                 evo_mthd(push, 0x0700 + (or * 0x040), 1);
2083                                 evo_data(push, 0x00000000);
2084                         }
2085                         evo_kick(push, mast);
2086                 }
2087         }
2088
2089         nv_encoder->crtc = NULL;
2090 }
2091
2092 static void
2093 nv50_pior_destroy(struct drm_encoder *encoder)
2094 {
2095         drm_encoder_cleanup(encoder);
2096         kfree(encoder);
2097 }
2098
2099 static const struct drm_encoder_helper_funcs nv50_pior_hfunc = {
2100         .dpms = nv50_pior_dpms,
2101         .mode_fixup = nv50_pior_mode_fixup,
2102         .prepare = nv50_pior_disconnect,
2103         .commit = nv50_pior_commit,
2104         .mode_set = nv50_pior_mode_set,
2105         .disable = nv50_pior_disconnect,
2106         .get_crtc = nv50_display_crtc_get,
2107 };
2108
2109 static const struct drm_encoder_funcs nv50_pior_func = {
2110         .destroy = nv50_pior_destroy,
2111 };
2112
2113 static int
2114 nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
2115 {
2116         struct nouveau_drm *drm = nouveau_drm(connector->dev);
2117         struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
2118         struct nouveau_i2c_port *ddc = NULL;
2119         struct nouveau_encoder *nv_encoder;
2120         struct drm_encoder *encoder;
2121         int type;
2122
2123         switch (dcbe->type) {
2124         case DCB_OUTPUT_TMDS:
2125                 ddc  = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(dcbe->extdev));
2126                 type = DRM_MODE_ENCODER_TMDS;
2127                 break;
2128         case DCB_OUTPUT_DP:
2129                 ddc  = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(dcbe->extdev));
2130                 type = DRM_MODE_ENCODER_TMDS;
2131                 break;
2132         default:
2133                 return -ENODEV;
2134         }
2135
2136         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
2137         if (!nv_encoder)
2138                 return -ENOMEM;
2139         nv_encoder->dcb = dcbe;
2140         nv_encoder->or = ffs(dcbe->or) - 1;
2141         nv_encoder->i2c = ddc;
2142
2143         encoder = to_drm_encoder(nv_encoder);
2144         encoder->possible_crtcs = dcbe->heads;
2145         encoder->possible_clones = 0;
2146         drm_encoder_init(connector->dev, encoder, &nv50_pior_func, type);
2147         drm_encoder_helper_add(encoder, &nv50_pior_hfunc);
2148
2149         drm_mode_connector_attach_encoder(connector, encoder);
2150         return 0;
2151 }
2152
2153 /******************************************************************************
2154  * Init
2155  *****************************************************************************/
2156 void
2157 nv50_display_fini(struct drm_device *dev)
2158 {
2159 }
2160
2161 int
2162 nv50_display_init(struct drm_device *dev)
2163 {
2164         struct nv50_disp *disp = nv50_disp(dev);
2165         struct drm_crtc *crtc;
2166         u32 *push;
2167
2168         push = evo_wait(nv50_mast(dev), 32);
2169         if (!push)
2170                 return -EBUSY;
2171
2172         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
2173                 struct nv50_sync *sync = nv50_sync(crtc);
2174                 nouveau_bo_wr32(disp->sync, sync->addr / 4, sync->data);
2175         }
2176
2177         evo_mthd(push, 0x0088, 1);
2178         evo_data(push, NvEvoSync);
2179         evo_kick(push, nv50_mast(dev));
2180         return 0;
2181 }
2182
2183 void
2184 nv50_display_destroy(struct drm_device *dev)
2185 {
2186         struct nv50_disp *disp = nv50_disp(dev);
2187
2188         nv50_dmac_destroy(disp->core, &disp->mast.base);
2189
2190         nouveau_bo_unmap(disp->sync);
2191         if (disp->sync)
2192                 nouveau_bo_unpin(disp->sync);
2193         nouveau_bo_ref(NULL, &disp->sync);
2194
2195         nouveau_display(dev)->priv = NULL;
2196         kfree(disp);
2197 }
2198
2199 int
2200 nv50_display_create(struct drm_device *dev)
2201 {
2202         static const u16 oclass[] = {
2203                 NVF0_DISP_CLASS,
2204                 NVE0_DISP_CLASS,
2205                 NVD0_DISP_CLASS,
2206                 NVA3_DISP_CLASS,
2207                 NV94_DISP_CLASS,
2208                 NVA0_DISP_CLASS,
2209                 NV84_DISP_CLASS,
2210                 NV50_DISP_CLASS,
2211         };
2212         struct nouveau_device *device = nouveau_dev(dev);
2213         struct nouveau_drm *drm = nouveau_drm(dev);
2214         struct dcb_table *dcb = &drm->vbios.dcb;
2215         struct drm_connector *connector, *tmp;
2216         struct nv50_disp *disp;
2217         struct dcb_output *dcbe;
2218         int crtcs, ret, i;
2219
2220         disp = kzalloc(sizeof(*disp), GFP_KERNEL);
2221         if (!disp)
2222                 return -ENOMEM;
2223
2224         nouveau_display(dev)->priv = disp;
2225         nouveau_display(dev)->dtor = nv50_display_destroy;
2226         nouveau_display(dev)->init = nv50_display_init;
2227         nouveau_display(dev)->fini = nv50_display_fini;
2228
2229         /* small shared memory area we use for notifiers and semaphores */
2230         ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
2231                              0, 0x0000, NULL, &disp->sync);
2232         if (!ret) {
2233                 ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM);
2234                 if (!ret) {
2235                         ret = nouveau_bo_map(disp->sync);
2236                         if (ret)
2237                                 nouveau_bo_unpin(disp->sync);
2238                 }
2239                 if (ret)
2240                         nouveau_bo_ref(NULL, &disp->sync);
2241         }
2242
2243         if (ret)
2244                 goto out;
2245
2246         /* attempt to allocate a supported evo display class */
2247         ret = -ENODEV;
2248         for (i = 0; ret && i < ARRAY_SIZE(oclass); i++) {
2249                 ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE,
2250                                          0xd1500000, oclass[i], NULL, 0,
2251                                          &disp->core);
2252         }
2253
2254         if (ret)
2255                 goto out;
2256
2257         /* allocate master evo channel */
2258         ret = nv50_dmac_create(disp->core, NV50_DISP_MAST_CLASS, 0,
2259                               &(struct nv50_display_mast_class) {
2260                                         .pushbuf = EVO_PUSH_HANDLE(MAST, 0),
2261                               }, sizeof(struct nv50_display_mast_class),
2262                               disp->sync->bo.offset, &disp->mast.base);
2263         if (ret)
2264                 goto out;
2265
2266         /* create crtc objects to represent the hw heads */
2267         if (nv_mclass(disp->core) >= NVD0_DISP_CLASS)
2268                 crtcs = nv_rd32(device, 0x022448);
2269         else
2270                 crtcs = 2;
2271
2272         for (i = 0; i < crtcs; i++) {
2273                 ret = nv50_crtc_create(dev, disp->core, i);
2274                 if (ret)
2275                         goto out;
2276         }
2277
2278         /* create encoder/connector objects based on VBIOS DCB table */
2279         for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
2280                 connector = nouveau_connector_create(dev, dcbe->connector);
2281                 if (IS_ERR(connector))
2282                         continue;
2283
2284                 if (dcbe->location == DCB_LOC_ON_CHIP) {
2285                         switch (dcbe->type) {
2286                         case DCB_OUTPUT_TMDS:
2287                         case DCB_OUTPUT_LVDS:
2288                         case DCB_OUTPUT_DP:
2289                                 ret = nv50_sor_create(connector, dcbe);
2290                                 break;
2291                         case DCB_OUTPUT_ANALOG:
2292                                 ret = nv50_dac_create(connector, dcbe);
2293                                 break;
2294                         default:
2295                                 ret = -ENODEV;
2296                                 break;
2297                         }
2298                 } else {
2299                         ret = nv50_pior_create(connector, dcbe);
2300                 }
2301
2302                 if (ret) {
2303                         NV_WARN(drm, "failed to create encoder %d/%d/%d: %d\n",
2304                                      dcbe->location, dcbe->type,
2305                                      ffs(dcbe->or) - 1, ret);
2306                         ret = 0;
2307                 }
2308         }
2309
2310         /* cull any connectors we created that don't have an encoder */
2311         list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) {
2312                 if (connector->encoder_ids[0])
2313                         continue;
2314
2315                 NV_WARN(drm, "%s has no encoders, removing\n",
2316                         drm_get_connector_name(connector));
2317                 connector->funcs->destroy(connector);
2318         }
2319
2320 out:
2321         if (ret)
2322                 nv50_display_destroy(dev);
2323         return ret;
2324 }