linux/drivers/gpu/drm/nouveau/nv50_display.c
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   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
  72struct nv50_chan {
  73        struct nouveau_object *user;
  74        u32 handle;
  75};
  76
  77static int
  78nv50_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
  95static void
  96nv50_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
 107struct nv50_pioc {
 108        struct nv50_chan base;
 109};
 110
 111static void
 112nv50_pioc_destroy(struct nouveau_object *core, struct nv50_pioc *pioc)
 113{
 114        nv50_chan_destroy(core, &pioc->base);
 115}
 116
 117static int
 118nv50_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
 128struct 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
 139static void
 140nv50_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
 150static int
 151nv50_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
 195static int
 196nvc0_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
 237static int
 238nvd0_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
 269static int
 270nv50_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
 334struct nv50_mast {
 335        struct nv50_dmac base;
 336};
 337
 338struct nv50_curs {
 339        struct nv50_pioc base;
 340};
 341
 342struct nv50_sync {
 343        struct nv50_dmac base;
 344        u32 addr;
 345        u32 data;
 346};
 347
 348struct nv50_ovly {
 349        struct nv50_dmac base;
 350};
 351
 352struct nv50_oimm {
 353        struct nv50_pioc base;
 354};
 355
 356struct 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
 373struct nv50_disp {
 374        struct nouveau_object *core;
 375        struct nv50_mast mast;
 376
 377        u32 modeset;
 378
 379        struct nouveau_bo *sync;
 380};
 381
 382static struct nv50_disp *
 383nv50_disp(struct drm_device *dev)
 384{
 385        return nouveau_display(dev)->priv;
 386}
 387
 388#define nv50_mast(d) (&nv50_disp(d)->mast)
 389
 390static struct drm_crtc *
 391nv50_display_crtc_get(struct drm_encoder *encoder)
 392{
 393        return nouveau_encoder(encoder)->crtc;
 394}
 395
 396/******************************************************************************
 397 * EVO channel helpers
 398 *****************************************************************************/
 399static u32 *
 400evo_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
 422static void
 423evo_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
 433static bool
 434evo_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
 442static int
 443evo_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 *****************************************************************************/
 467struct nouveau_bo *
 468nv50_display_crtc_sema(struct drm_device *dev, int crtc)
 469{
 470        return nv50_disp(dev)->sync;
 471}
 472
 473struct nv50_display_flip {
 474        struct nv50_disp *disp;
 475        struct nv50_sync *chan;
 476};
 477
 478static bool
 479nv50_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
 489void
 490nv50_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
 515int
 516nv50_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 *****************************************************************************/
 643static int
 644nv50_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
 691static int
 692nv50_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
 795static int
 796nv50_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
 826static int
 827nv50_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
 872static void
 873nv50_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
 900static void
 901nv50_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
 925static void
 926nv50_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
 945static void
 946nv50_crtc_dpms(struct drm_crtc *crtc, int mode)
 947{
 948}
 949
 950static void
 951nv50_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
 989static void
 990nv50_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
1034static bool
1035nv50_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
1041static int
1042nv50_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
1058static int
1059nv50_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
1145static int
1146nv50_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
1168static int
1169nv50_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
1179static void
1180nv50_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
1204static void
1205nv50_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
1213static int
1214nv50_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
1253static int
1254nv50_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
1263static void
1264nv50_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 = min_t(u32, start + size, 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
1280static void
1281nv50_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
1313static 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
1325static 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
1334static void
1335nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
1336{
1337}
1338
1339static void
1340nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
1341{
1342}
1343
1344static int
1345nv50_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
1449out:
1450        if (ret)
1451                nv50_crtc_destroy(crtc);
1452        return ret;
1453}
1454
1455/******************************************************************************
1456 * DAC
1457 *****************************************************************************/
1458static void
1459nv50_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
1475static bool
1476nv50_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
1495static void
1496nv50_dac_commit(struct drm_encoder *encoder)
1497{
1498}
1499
1500static void
1501nv50_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
1549static void
1550nv50_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
1576static enum drm_connector_status
1577nv50_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
1592static void
1593nv50_dac_destroy(struct drm_encoder *encoder)
1594{
1595        drm_encoder_cleanup(encoder);
1596        kfree(encoder);
1597}
1598
1599static 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
1610static const struct drm_encoder_funcs nv50_dac_func = {
1611        .destroy = nv50_dac_destroy,
1612};
1613
1614static int
1615nv50_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 *****************************************************************************/
1643static void
1644nv50_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
1661static void
1662nv50_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 *****************************************************************************/
1673static void
1674nv50_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
1700static void
1701nv50_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 *****************************************************************************/
1716static void
1717nv50_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
1744static bool
1745nv50_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
1764static void
1765nv50_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
1794static void
1795nv50_sor_commit(struct drm_encoder *encoder)
1796{
1797}
1798
1799static void
1800nv50_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
1921static void
1922nv50_sor_destroy(struct drm_encoder *encoder)
1923{
1924        drm_encoder_cleanup(encoder);
1925        kfree(encoder);
1926}
1927
1928static 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
1938static const struct drm_encoder_funcs nv50_sor_func = {
1939        .destroy = nv50_sor_destroy,
1940};
1941
1942static int
1943nv50_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
1982static void
1983nv50_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
1992static bool
1993nv50_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
2013static void
2014nv50_pior_commit(struct drm_encoder *encoder)
2015{
2016}
2017
2018static void
2019nv50_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
2068static void
2069nv50_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
2092static void
2093nv50_pior_destroy(struct drm_encoder *encoder)
2094{
2095        drm_encoder_cleanup(encoder);
2096        kfree(encoder);
2097}
2098
2099static 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
2109static const struct drm_encoder_funcs nv50_pior_func = {
2110        .destroy = nv50_pior_destroy,
2111};
2112
2113static int
2114nv50_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 *****************************************************************************/
2156void
2157nv50_display_fini(struct drm_device *dev)
2158{
2159}
2160
2161int
2162nv50_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
2183void
2184nv50_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
2199int
2200nv50_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
2320out:
2321        if (ret)
2322                nv50_display_destroy(dev);
2323        return ret;
2324}
2325