kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c

   1 /*
   2  * Copyright 2012 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 #include "nv50.h"
  25 #include "outp.h"
  26 #include "outpdp.h"
  27
  28 #include <core/client.h>
  29 #include <core/gpuobj.h>
  30 #include <core/ramht.h>
  31 #include <subdev/bios.h>
  32 #include <subdev/bios/dcb.h>
  33 #include <subdev/bios/disp.h>
  34 #include <subdev/bios/init.h>
  35 #include <subdev/bios/pll.h>
  36 #include <subdev/devinit.h>
  37 #include <subdev/timer.h>
  38
  39 #include <nvif/class.h>
  40 #include <nvif/unpack.h>
  41
  42 /*******************************************************************************
  43  * EVO channel base class
  44  ******************************************************************************/
  45
  46 static void
  47 gf110_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
  48 {
  49         struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent);
  50         nv_mask(priv, 0x610090, 0x00000001 << index, 0x00000000 << index);
  51         nv_wr32(priv, 0x61008c, 0x00000001 << index);
  52 }
  53
  54 static void
  55 gf110_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
  56 {
  57         struct nv50_disp_priv *priv = container_of(event, typeof(*priv), uevent);
  58         nv_wr32(priv, 0x61008c, 0x00000001 << index);
  59         nv_mask(priv, 0x610090, 0x00000001 << index, 0x00000001 << index);
  60 }
  61
  62 const struct nvkm_event_func
  63 gf110_disp_chan_uevent = {
  64         .ctor = nv50_disp_chan_uevent_ctor,
  65         .init = gf110_disp_chan_uevent_init,
  66         .fini = gf110_disp_chan_uevent_fini,
  67 };
  68
  69 /*******************************************************************************
  70  * EVO DMA channel base class
  71  ******************************************************************************/
  72
  73 static int
  74 gf110_disp_dmac_object_attach(struct nvkm_object *parent,
  75                               struct nvkm_object *object, u32 name)
  76 {
  77         struct nv50_disp_base *base = (void *)parent->parent;
  78         struct nv50_disp_chan *chan = (void *)parent;
  79         u32 addr = nv_gpuobj(object)->node->offset;
  80         u32 data = (chan->chid << 27) | (addr << 9) | 0x00000001;
  81         return nvkm_ramht_insert(base->ramht, chan->chid, name, data);
  82 }
  83
  84 static void
  85 gf110_disp_dmac_object_detach(struct nvkm_object *parent, int cookie)
  86 {
  87         struct nv50_disp_base *base = (void *)parent->parent;
  88         nvkm_ramht_remove(base->ramht, cookie);
  89 }
  90
  91 static int
  92 gf110_disp_dmac_init(struct nvkm_object *object)
  93 {
  94         struct nv50_disp_priv *priv = (void *)object->engine;
  95         struct nv50_disp_dmac *dmac = (void *)object;
  96         int chid = dmac->base.chid;
  97         int ret;
  98
  99         ret = nv50_disp_chan_init(&dmac->base);
 100         if (ret)
 101                 return ret;
 102
 103         /* enable error reporting */
 104         nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000001 << chid);
 105
 106         /* initialise channel for dma command submission */
 107         nv_wr32(priv, 0x610494 + (chid * 0x0010), dmac->push);
 108         nv_wr32(priv, 0x610498 + (chid * 0x0010), 0x00010000);
 109         nv_wr32(priv, 0x61049c + (chid * 0x0010), 0x00000001);
 110         nv_mask(priv, 0x610490 + (chid * 0x0010), 0x00000010, 0x00000010);
 111         nv_wr32(priv, 0x640000 + (chid * 0x1000), 0x00000000);
 112         nv_wr32(priv, 0x610490 + (chid * 0x0010), 0x00000013);
 113
 114         /* wait for it to go inactive */
 115         if (!nv_wait(priv, 0x610490 + (chid * 0x10), 0x80000000, 0x00000000)) {
 116                 nv_error(dmac, "init: 0x%08x\n",
 117                          nv_rd32(priv, 0x610490 + (chid * 0x10)));
 118                 return -EBUSY;
 119         }
 120
 121         return 0;
 122 }
 123
 124 static int
 125 gf110_disp_dmac_fini(struct nvkm_object *object, bool suspend)
 126 {
 127         struct nv50_disp_priv *priv = (void *)object->engine;
 128         struct nv50_disp_dmac *dmac = (void *)object;
 129         int chid = dmac->base.chid;
 130
 131         /* deactivate channel */
 132         nv_mask(priv, 0x610490 + (chid * 0x0010), 0x00001010, 0x00001000);
 133         nv_mask(priv, 0x610490 + (chid * 0x0010), 0x00000003, 0x00000000);
 134         if (!nv_wait(priv, 0x610490 + (chid * 0x10), 0x001e0000, 0x00000000)) {
 135                 nv_error(dmac, "fini: 0x%08x\n",
 136                          nv_rd32(priv, 0x610490 + (chid * 0x10)));
 137                 if (suspend)
 138                         return -EBUSY;
 139         }
 140
 141         /* disable error reporting and completion notification */
 142         nv_mask(priv, 0x610090, 0x00000001 << chid, 0x00000000);
 143         nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000000);
 144
 145         return nv50_disp_chan_fini(&dmac->base, suspend);
 146 }
 147
 148 /*******************************************************************************
 149  * EVO master channel object
 150  ******************************************************************************/
 151
 152 const struct nv50_disp_mthd_list
 153 gf110_disp_core_mthd_base = {
 154         .mthd = 0x0000,
 155         .addr = 0x000000,
 156         .data = {
 157                 { 0x0080, 0x660080 },
 158                 { 0x0084, 0x660084 },
 159                 { 0x0088, 0x660088 },
 160                 { 0x008c, 0x000000 },
 161                 {}
 162         }
 163 };
 164
 165 const struct nv50_disp_mthd_list
 166 gf110_disp_core_mthd_dac = {
 167         .mthd = 0x0020,
 168         .addr = 0x000020,
 169         .data = {
 170                 { 0x0180, 0x660180 },
 171                 { 0x0184, 0x660184 },
 172                 { 0x0188, 0x660188 },
 173                 { 0x0190, 0x660190 },
 174                 {}
 175         }
 176 };
 177
 178 const struct nv50_disp_mthd_list
 179 gf110_disp_core_mthd_sor = {
 180         .mthd = 0x0020,
 181         .addr = 0x000020,
 182         .data = {
 183                 { 0x0200, 0x660200 },
 184                 { 0x0204, 0x660204 },
 185                 { 0x0208, 0x660208 },
 186                 { 0x0210, 0x660210 },
 187                 {}
 188         }
 189 };
 190
 191 const struct nv50_disp_mthd_list
 192 gf110_disp_core_mthd_pior = {
 193         .mthd = 0x0020,
 194         .addr = 0x000020,
 195         .data = {
 196                 { 0x0300, 0x660300 },
 197                 { 0x0304, 0x660304 },
 198                 { 0x0308, 0x660308 },
 199                 { 0x0310, 0x660310 },
 200                 {}
 201         }
 202 };
 203
 204 static const struct nv50_disp_mthd_list
 205 gf110_disp_core_mthd_head = {
 206         .mthd = 0x0300,
 207         .addr = 0x000300,
 208         .data = {
 209                 { 0x0400, 0x660400 },
 210                 { 0x0404, 0x660404 },
 211                 { 0x0408, 0x660408 },
 212                 { 0x040c, 0x66040c },
 213                 { 0x0410, 0x660410 },
 214                 { 0x0414, 0x660414 },
 215                 { 0x0418, 0x660418 },
 216                 { 0x041c, 0x66041c },
 217                 { 0x0420, 0x660420 },
 218                 { 0x0424, 0x660424 },
 219                 { 0x0428, 0x660428 },
 220                 { 0x042c, 0x66042c },
 221                 { 0x0430, 0x660430 },
 222                 { 0x0434, 0x660434 },
 223                 { 0x0438, 0x660438 },
 224                 { 0x0440, 0x660440 },
 225                 { 0x0444, 0x660444 },
 226                 { 0x0448, 0x660448 },
 227                 { 0x044c, 0x66044c },
 228                 { 0x0450, 0x660450 },
 229                 { 0x0454, 0x660454 },
 230                 { 0x0458, 0x660458 },
 231                 { 0x045c, 0x66045c },
 232                 { 0x0460, 0x660460 },
 233                 { 0x0468, 0x660468 },
 234                 { 0x046c, 0x66046c },
 235                 { 0x0470, 0x660470 },
 236                 { 0x0474, 0x660474 },
 237                 { 0x0480, 0x660480 },
 238                 { 0x0484, 0x660484 },
 239                 { 0x048c, 0x66048c },
 240                 { 0x0490, 0x660490 },
 241                 { 0x0494, 0x660494 },
 242                 { 0x0498, 0x660498 },
 243                 { 0x04b0, 0x6604b0 },
 244                 { 0x04b8, 0x6604b8 },
 245                 { 0x04bc, 0x6604bc },
 246                 { 0x04c0, 0x6604c0 },
 247                 { 0x04c4, 0x6604c4 },
 248                 { 0x04c8, 0x6604c8 },
 249                 { 0x04d0, 0x6604d0 },
 250                 { 0x04d4, 0x6604d4 },
 251                 { 0x04e0, 0x6604e0 },
 252                 { 0x04e4, 0x6604e4 },
 253                 { 0x04e8, 0x6604e8 },
 254                 { 0x04ec, 0x6604ec },
 255                 { 0x04f0, 0x6604f0 },
 256                 { 0x04f4, 0x6604f4 },
 257                 { 0x04f8, 0x6604f8 },
 258                 { 0x04fc, 0x6604fc },
 259                 { 0x0500, 0x660500 },
 260                 { 0x0504, 0x660504 },
 261                 { 0x0508, 0x660508 },
 262                 { 0x050c, 0x66050c },
 263                 { 0x0510, 0x660510 },
 264                 { 0x0514, 0x660514 },
 265                 { 0x0518, 0x660518 },
 266                 { 0x051c, 0x66051c },
 267                 { 0x052c, 0x66052c },
 268                 { 0x0530, 0x660530 },
 269                 { 0x054c, 0x66054c },
 270                 { 0x0550, 0x660550 },
 271                 { 0x0554, 0x660554 },
 272                 { 0x0558, 0x660558 },
 273                 { 0x055c, 0x66055c },
 274                 {}
 275         }
 276 };
 277
 278 static const struct nv50_disp_mthd_chan
 279 gf110_disp_core_mthd_chan = {
 280         .name = "Core",
 281         .addr = 0x000000,
 282         .data = {
 283                 { "Global", 1, &gf110_disp_core_mthd_base },
 284                 {    "DAC", 3, &gf110_disp_core_mthd_dac  },
 285                 {    "SOR", 8, &gf110_disp_core_mthd_sor  },
 286                 {   "PIOR", 4, &gf110_disp_core_mthd_pior },
 287                 {   "HEAD", 4, &gf110_disp_core_mthd_head },
 288                 {}
 289         }
 290 };
 291
 292 static int
 293 gf110_disp_core_init(struct nvkm_object *object)
 294 {
 295         struct nv50_disp_priv *priv = (void *)object->engine;
 296         struct nv50_disp_dmac *mast = (void *)object;
 297         int ret;
 298
 299         ret = nv50_disp_chan_init(&mast->base);
 300         if (ret)
 301                 return ret;
 302
 303         /* enable error reporting */
 304         nv_mask(priv, 0x6100a0, 0x00000001, 0x00000001);
 305
 306         /* initialise channel for dma command submission */
 307         nv_wr32(priv, 0x610494, mast->push);
 308         nv_wr32(priv, 0x610498, 0x00010000);
 309         nv_wr32(priv, 0x61049c, 0x00000001);
 310         nv_mask(priv, 0x610490, 0x00000010, 0x00000010);
 311         nv_wr32(priv, 0x640000, 0x00000000);
 312         nv_wr32(priv, 0x610490, 0x01000013);
 313
 314         /* wait for it to go inactive */
 315         if (!nv_wait(priv, 0x610490, 0x80000000, 0x00000000)) {
 316                 nv_error(mast, "init: 0x%08x\n", nv_rd32(priv, 0x610490));
 317                 return -EBUSY;
 318         }
 319
 320         return 0;
 321 }
 322
 323 static int
 324 gf110_disp_core_fini(struct nvkm_object *object, bool suspend)
 325 {
 326         struct nv50_disp_priv *priv = (void *)object->engine;
 327         struct nv50_disp_dmac *mast = (void *)object;
 328
 329         /* deactivate channel */
 330         nv_mask(priv, 0x610490, 0x00000010, 0x00000000);
 331         nv_mask(priv, 0x610490, 0x00000003, 0x00000000);
 332         if (!nv_wait(priv, 0x610490, 0x001e0000, 0x00000000)) {
 333                 nv_error(mast, "fini: 0x%08x\n", nv_rd32(priv, 0x610490));
 334                 if (suspend)
 335                         return -EBUSY;
 336         }
 337
 338         /* disable error reporting and completion notification */
 339         nv_mask(priv, 0x610090, 0x00000001, 0x00000000);
 340         nv_mask(priv, 0x6100a0, 0x00000001, 0x00000000);
 341
 342         return nv50_disp_chan_fini(&mast->base, suspend);
 343 }
 344
 345 struct nv50_disp_chan_impl
 346 gf110_disp_core_ofuncs = {
 347         .base.ctor = nv50_disp_core_ctor,
 348         .base.dtor = nv50_disp_dmac_dtor,
 349         .base.init = gf110_disp_core_init,
 350         .base.fini = gf110_disp_core_fini,
 351         .base.ntfy = nv50_disp_chan_ntfy,
 352         .base.map  = nv50_disp_chan_map,
 353         .base.rd32 = nv50_disp_chan_rd32,
 354         .base.wr32 = nv50_disp_chan_wr32,
 355         .chid = 0,
 356         .attach = gf110_disp_dmac_object_attach,
 357         .detach = gf110_disp_dmac_object_detach,
 358 };
 359
 360 /*******************************************************************************
 361  * EVO sync channel objects
 362  ******************************************************************************/
 363
 364 static const struct nv50_disp_mthd_list
 365 gf110_disp_base_mthd_base = {
 366         .mthd = 0x0000,
 367         .addr = 0x000000,
 368         .data = {
 369                 { 0x0080, 0x661080 },
 370                 { 0x0084, 0x661084 },
 371                 { 0x0088, 0x661088 },
 372                 { 0x008c, 0x66108c },
 373                 { 0x0090, 0x661090 },
 374                 { 0x0094, 0x661094 },
 375                 { 0x00a0, 0x6610a0 },
 376                 { 0x00a4, 0x6610a4 },
 377                 { 0x00c0, 0x6610c0 },
 378                 { 0x00c4, 0x6610c4 },
 379                 { 0x00c8, 0x6610c8 },
 380                 { 0x00cc, 0x6610cc },
 381                 { 0x00e0, 0x6610e0 },
 382                 { 0x00e4, 0x6610e4 },
 383                 { 0x00e8, 0x6610e8 },
 384                 { 0x00ec, 0x6610ec },
 385                 { 0x00fc, 0x6610fc },
 386                 { 0x0100, 0x661100 },
 387                 { 0x0104, 0x661104 },
 388                 { 0x0108, 0x661108 },
 389                 { 0x010c, 0x66110c },
 390                 { 0x0110, 0x661110 },
 391                 { 0x0114, 0x661114 },
 392                 { 0x0118, 0x661118 },
 393                 { 0x011c, 0x66111c },
 394                 { 0x0130, 0x661130 },
 395                 { 0x0134, 0x661134 },
 396                 { 0x0138, 0x661138 },
 397                 { 0x013c, 0x66113c },
 398                 { 0x0140, 0x661140 },
 399                 { 0x0144, 0x661144 },
 400                 { 0x0148, 0x661148 },
 401                 { 0x014c, 0x66114c },
 402                 { 0x0150, 0x661150 },
 403                 { 0x0154, 0x661154 },
 404                 { 0x0158, 0x661158 },
 405                 { 0x015c, 0x66115c },
 406                 { 0x0160, 0x661160 },
 407                 { 0x0164, 0x661164 },
 408                 { 0x0168, 0x661168 },
 409                 { 0x016c, 0x66116c },
 410                 {}
 411         }
 412 };
 413
 414 static const struct nv50_disp_mthd_list
 415 gf110_disp_base_mthd_image = {
 416         .mthd = 0x0020,
 417         .addr = 0x000020,
 418         .data = {
 419                 { 0x0400, 0x661400 },
 420                 { 0x0404, 0x661404 },
 421                 { 0x0408, 0x661408 },
 422                 { 0x040c, 0x66140c },
 423                 { 0x0410, 0x661410 },
 424                 {}
 425         }
 426 };
 427
 428 const struct nv50_disp_mthd_chan
 429 gf110_disp_base_mthd_chan = {
 430         .name = "Base",
 431         .addr = 0x001000,
 432         .data = {
 433                 { "Global", 1, &gf110_disp_base_mthd_base },
 434                 {  "Image", 2, &gf110_disp_base_mthd_image },
 435                 {}
 436         }
 437 };
 438
 439 struct nv50_disp_chan_impl
 440 gf110_disp_base_ofuncs = {
 441         .base.ctor = nv50_disp_base_ctor,
 442         .base.dtor = nv50_disp_dmac_dtor,
 443         .base.init = gf110_disp_dmac_init,
 444         .base.fini = gf110_disp_dmac_fini,
 445         .base.ntfy = nv50_disp_chan_ntfy,
 446         .base.map  = nv50_disp_chan_map,
 447         .base.rd32 = nv50_disp_chan_rd32,
 448         .base.wr32 = nv50_disp_chan_wr32,
 449         .chid = 1,
 450         .attach = gf110_disp_dmac_object_attach,
 451         .detach = gf110_disp_dmac_object_detach,
 452 };
 453
 454 /*******************************************************************************
 455  * EVO overlay channel objects
 456  ******************************************************************************/
 457
 458 static const struct nv50_disp_mthd_list
 459 gf110_disp_ovly_mthd_base = {
 460         .mthd = 0x0000,
 461         .data = {
 462                 { 0x0080, 0x665080 },
 463                 { 0x0084, 0x665084 },
 464                 { 0x0088, 0x665088 },
 465                 { 0x008c, 0x66508c },
 466                 { 0x0090, 0x665090 },
 467                 { 0x0094, 0x665094 },
 468                 { 0x00a0, 0x6650a0 },
 469                 { 0x00a4, 0x6650a4 },
 470                 { 0x00b0, 0x6650b0 },
 471                 { 0x00b4, 0x6650b4 },
 472                 { 0x00b8, 0x6650b8 },
 473                 { 0x00c0, 0x6650c0 },
 474                 { 0x00e0, 0x6650e0 },
 475                 { 0x00e4, 0x6650e4 },
 476                 { 0x00e8, 0x6650e8 },
 477                 { 0x0100, 0x665100 },
 478                 { 0x0104, 0x665104 },
 479                 { 0x0108, 0x665108 },
 480                 { 0x010c, 0x66510c },
 481                 { 0x0110, 0x665110 },
 482                 { 0x0118, 0x665118 },
 483                 { 0x011c, 0x66511c },
 484                 { 0x0120, 0x665120 },
 485                 { 0x0124, 0x665124 },
 486                 { 0x0130, 0x665130 },
 487                 { 0x0134, 0x665134 },
 488                 { 0x0138, 0x665138 },
 489                 { 0x013c, 0x66513c },
 490                 { 0x0140, 0x665140 },
 491                 { 0x0144, 0x665144 },
 492                 { 0x0148, 0x665148 },
 493                 { 0x014c, 0x66514c },
 494                 { 0x0150, 0x665150 },
 495                 { 0x0154, 0x665154 },
 496                 { 0x0158, 0x665158 },
 497                 { 0x015c, 0x66515c },
 498                 { 0x0160, 0x665160 },
 499                 { 0x0164, 0x665164 },
 500                 { 0x0168, 0x665168 },
 501                 { 0x016c, 0x66516c },
 502                 { 0x0400, 0x665400 },
 503                 { 0x0408, 0x665408 },
 504                 { 0x040c, 0x66540c },
 505                 { 0x0410, 0x665410 },
 506                 {}
 507         }
 508 };
 509
 510 static const struct nv50_disp_mthd_chan
 511 gf110_disp_ovly_mthd_chan = {
 512         .name = "Overlay",
 513         .addr = 0x001000,
 514         .data = {
 515                 { "Global", 1, &gf110_disp_ovly_mthd_base },
 516                 {}
 517         }
 518 };
 519
 520 struct nv50_disp_chan_impl
 521 gf110_disp_ovly_ofuncs = {
 522         .base.ctor = nv50_disp_ovly_ctor,
 523         .base.dtor = nv50_disp_dmac_dtor,
 524         .base.init = gf110_disp_dmac_init,
 525         .base.fini = gf110_disp_dmac_fini,
 526         .base.ntfy = nv50_disp_chan_ntfy,
 527         .base.map  = nv50_disp_chan_map,
 528         .base.rd32 = nv50_disp_chan_rd32,
 529         .base.wr32 = nv50_disp_chan_wr32,
 530         .chid = 5,
 531         .attach = gf110_disp_dmac_object_attach,
 532         .detach = gf110_disp_dmac_object_detach,
 533 };
 534
 535 /*******************************************************************************
 536  * EVO PIO channel base class
 537  ******************************************************************************/
 538
 539 static int
 540 gf110_disp_pioc_init(struct nvkm_object *object)
 541 {
 542         struct nv50_disp_priv *priv = (void *)object->engine;
 543         struct nv50_disp_pioc *pioc = (void *)object;
 544         int chid = pioc->base.chid;
 545         int ret;
 546
 547         ret = nv50_disp_chan_init(&pioc->base);
 548         if (ret)
 549                 return ret;
 550
 551         /* enable error reporting */
 552         nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000001 << chid);
 553
 554         /* activate channel */
 555         nv_wr32(priv, 0x610490 + (chid * 0x10), 0x00000001);
 556         if (!nv_wait(priv, 0x610490 + (chid * 0x10), 0x00030000, 0x00010000)) {
 557                 nv_error(pioc, "init: 0x%08x\n",
 558                          nv_rd32(priv, 0x610490 + (chid * 0x10)));
 559                 return -EBUSY;
 560         }
 561
 562         return 0;
 563 }
 564
 565 static int
 566 gf110_disp_pioc_fini(struct nvkm_object *object, bool suspend)
 567 {
 568         struct nv50_disp_priv *priv = (void *)object->engine;
 569         struct nv50_disp_pioc *pioc = (void *)object;
 570         int chid = pioc->base.chid;
 571
 572         nv_mask(priv, 0x610490 + (chid * 0x10), 0x00000001, 0x00000000);
 573         if (!nv_wait(priv, 0x610490 + (chid * 0x10), 0x00030000, 0x00000000)) {
 574                 nv_error(pioc, "timeout: 0x%08x\n",
 575                          nv_rd32(priv, 0x610490 + (chid * 0x10)));
 576                 if (suspend)
 577                         return -EBUSY;
 578         }
 579
 580         /* disable error reporting and completion notification */
 581         nv_mask(priv, 0x610090, 0x00000001 << chid, 0x00000000);
 582         nv_mask(priv, 0x6100a0, 0x00000001 << chid, 0x00000000);
 583
 584         return nv50_disp_chan_fini(&pioc->base, suspend);
 585 }
 586
 587 /*******************************************************************************
 588  * EVO immediate overlay channel objects
 589  ******************************************************************************/
 590
 591 struct nv50_disp_chan_impl
 592 gf110_disp_oimm_ofuncs = {
 593         .base.ctor = nv50_disp_oimm_ctor,
 594         .base.dtor = nv50_disp_pioc_dtor,
 595         .base.init = gf110_disp_pioc_init,
 596         .base.fini = gf110_disp_pioc_fini,
 597         .base.ntfy = nv50_disp_chan_ntfy,
 598         .base.map  = nv50_disp_chan_map,
 599         .base.rd32 = nv50_disp_chan_rd32,
 600         .base.wr32 = nv50_disp_chan_wr32,
 601         .chid = 9,
 602 };
 603
 604 /*******************************************************************************
 605  * EVO cursor channel objects
 606  ******************************************************************************/
 607
 608 struct nv50_disp_chan_impl
 609 gf110_disp_curs_ofuncs = {
 610         .base.ctor = nv50_disp_curs_ctor,
 611         .base.dtor = nv50_disp_pioc_dtor,
 612         .base.init = gf110_disp_pioc_init,
 613         .base.fini = gf110_disp_pioc_fini,
 614         .base.ntfy = nv50_disp_chan_ntfy,
 615         .base.map  = nv50_disp_chan_map,
 616         .base.rd32 = nv50_disp_chan_rd32,
 617         .base.wr32 = nv50_disp_chan_wr32,
 618         .chid = 13,
 619 };
 620
 621 /*******************************************************************************
 622  * Base display object
 623  ******************************************************************************/
 624
 625 int
 626 gf110_disp_main_scanoutpos(NV50_DISP_MTHD_V0)
 627 {
 628         const u32 total  = nv_rd32(priv, 0x640414 + (head * 0x300));
 629         const u32 blanke = nv_rd32(priv, 0x64041c + (head * 0x300));
 630         const u32 blanks = nv_rd32(priv, 0x640420 + (head * 0x300));
 631         union {
 632                 struct nv04_disp_scanoutpos_v0 v0;
 633         } *args = data;
 634         int ret;
 635
 636         nv_ioctl(object, "disp scanoutpos size %d\n", size);
 637         if (nvif_unpack(args->v0, 0, 0, false)) {
 638                 nv_ioctl(object, "disp scanoutpos vers %d\n", args->v0.version);
 639                 args->v0.vblanke = (blanke & 0xffff0000) >> 16;
 640                 args->v0.hblanke = (blanke & 0x0000ffff);
 641                 args->v0.vblanks = (blanks & 0xffff0000) >> 16;
 642                 args->v0.hblanks = (blanks & 0x0000ffff);
 643                 args->v0.vtotal  = ( total & 0xffff0000) >> 16;
 644                 args->v0.htotal  = ( total & 0x0000ffff);
 645                 args->v0.time[0] = ktime_to_ns(ktime_get());
 646                 args->v0.vline = /* vline read locks hline */
 647                         nv_rd32(priv, 0x616340 + (head * 0x800)) & 0xffff;
 648                 args->v0.time[1] = ktime_to_ns(ktime_get());
 649                 args->v0.hline =
 650                         nv_rd32(priv, 0x616344 + (head * 0x800)) & 0xffff;
 651         } else
 652                 return ret;
 653
 654         return 0;
 655 }
 656
 657 static int
 658 gf110_disp_main_init(struct nvkm_object *object)
 659 {
 660         struct nv50_disp_priv *priv = (void *)object->engine;
 661         struct nv50_disp_base *base = (void *)object;
 662         int ret, i;
 663         u32 tmp;
 664
 665         ret = nvkm_parent_init(&base->base);
 666         if (ret)
 667                 return ret;
 668
 669         /* The below segments of code copying values from one register to
 670          * another appear to inform EVO of the display capabilities or
 671          * something similar.
 672          */
 673
 674         /* ... CRTC caps */
 675         for (i = 0; i < priv->head.nr; i++) {
 676                 tmp = nv_rd32(priv, 0x616104 + (i * 0x800));
 677                 nv_wr32(priv, 0x6101b4 + (i * 0x800), tmp);
 678                 tmp = nv_rd32(priv, 0x616108 + (i * 0x800));
 679                 nv_wr32(priv, 0x6101b8 + (i * 0x800), tmp);
 680                 tmp = nv_rd32(priv, 0x61610c + (i * 0x800));
 681                 nv_wr32(priv, 0x6101bc + (i * 0x800), tmp);
 682         }
 683
 684         /* ... DAC caps */
 685         for (i = 0; i < priv->dac.nr; i++) {
 686                 tmp = nv_rd32(priv, 0x61a000 + (i * 0x800));
 687                 nv_wr32(priv, 0x6101c0 + (i * 0x800), tmp);
 688         }
 689
 690         /* ... SOR caps */
 691         for (i = 0; i < priv->sor.nr; i++) {
 692                 tmp = nv_rd32(priv, 0x61c000 + (i * 0x800));
 693                 nv_wr32(priv, 0x6301c4 + (i * 0x800), tmp);
 694         }
 695
 696         /* steal display away from vbios, or something like that */
 697         if (nv_rd32(priv, 0x6100ac) & 0x00000100) {
 698                 nv_wr32(priv, 0x6100ac, 0x00000100);
 699                 nv_mask(priv, 0x6194e8, 0x00000001, 0x00000000);
 700                 if (!nv_wait(priv, 0x6194e8, 0x00000002, 0x00000000)) {
 701                         nv_error(priv, "timeout acquiring display\n");
 702                         return -EBUSY;
 703                 }
 704         }
 705
 706         /* point at display engine memory area (hash table, objects) */
 707         nv_wr32(priv, 0x610010, (nv_gpuobj(object->parent)->addr >> 8) | 9);
 708
 709         /* enable supervisor interrupts, disable everything else */
 710         nv_wr32(priv, 0x610090, 0x00000000);
 711         nv_wr32(priv, 0x6100a0, 0x00000000);
 712         nv_wr32(priv, 0x6100b0, 0x00000307);
 713
 714         /* disable underflow reporting, preventing an intermittent issue
 715          * on some gk104 boards where the production vbios left this
 716          * setting enabled by default.
 717          *
 718          * ftp://download.nvidia.com/open-gpu-doc/gk104-disable-underflow-reporting/1/gk104-disable-underflow-reporting.txt
 719          */
 720         for (i = 0; i < priv->head.nr; i++)
 721                 nv_mask(priv, 0x616308 + (i * 0x800), 0x00000111, 0x00000010);
 722
 723         return 0;
 724 }
 725
 726 static int
 727 gf110_disp_main_fini(struct nvkm_object *object, bool suspend)
 728 {
 729         struct nv50_disp_priv *priv = (void *)object->engine;
 730         struct nv50_disp_base *base = (void *)object;
 731
 732         /* disable all interrupts */
 733         nv_wr32(priv, 0x6100b0, 0x00000000);
 734
 735         return nvkm_parent_fini(&base->base, suspend);
 736 }
 737
 738 struct nvkm_ofuncs
 739 gf110_disp_main_ofuncs = {
 740         .ctor = nv50_disp_main_ctor,
 741         .dtor = nv50_disp_main_dtor,
 742         .init = gf110_disp_main_init,
 743         .fini = gf110_disp_main_fini,
 744         .mthd = nv50_disp_main_mthd,
 745         .ntfy = nvkm_disp_ntfy,
 746 };
 747
 748 static struct nvkm_oclass
 749 gf110_disp_main_oclass[] = {
 750         { GF110_DISP, &gf110_disp_main_ofuncs },
 751         {}
 752 };
 753
 754 static struct nvkm_oclass
 755 gf110_disp_sclass[] = {
 756         { GF110_DISP_CORE_CHANNEL_DMA, &gf110_disp_core_ofuncs.base },
 757         { GF110_DISP_BASE_CHANNEL_DMA, &gf110_disp_base_ofuncs.base },
 758         { GF110_DISP_OVERLAY_CONTROL_DMA, &gf110_disp_ovly_ofuncs.base },
 759         { GF110_DISP_OVERLAY, &gf110_disp_oimm_ofuncs.base },
 760         { GF110_DISP_CURSOR, &gf110_disp_curs_ofuncs.base },
 761         {}
 762 };
 763
 764 /*******************************************************************************
 765  * Display engine implementation
 766  ******************************************************************************/
 767
 768 static void
 769 gf110_disp_vblank_init(struct nvkm_event *event, int type, int head)
 770 {
 771         struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
 772         nv_mask(disp, 0x6100c0 + (head * 0x800), 0x00000001, 0x00000001);
 773 }
 774
 775 static void
 776 gf110_disp_vblank_fini(struct nvkm_event *event, int type, int head)
 777 {
 778         struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
 779         nv_mask(disp, 0x6100c0 + (head * 0x800), 0x00000001, 0x00000000);
 780 }
 781
 782 const struct nvkm_event_func
 783 gf110_disp_vblank_func = {
 784         .ctor = nvkm_disp_vblank_ctor,
 785         .init = gf110_disp_vblank_init,
 786         .fini = gf110_disp_vblank_fini,
 787 };
 788
 789 static struct nvkm_output *
 790 exec_lookup(struct nv50_disp_priv *priv, int head, int or, u32 ctrl,
 791             u32 *data, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
 792             struct nvbios_outp *info)
 793 {
 794         struct nvkm_bios *bios = nvkm_bios(priv);
 795         struct nvkm_output *outp;
 796         u16 mask, type;
 797
 798         if (or < 4) {
 799                 type = DCB_OUTPUT_ANALOG;
 800                 mask = 0;
 801         } else {
 802                 or -= 4;
 803                 switch (ctrl & 0x00000f00) {
 804                 case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break;
 805                 case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break;
 806                 case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break;
 807                 case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break;
 808                 case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break;
 809                 case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
 810                 default:
 811                         nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl);
 812                         return 0x0000;
 813                 }
 814         }
 815
 816         mask  = 0x00c0 & (mask << 6);
 817         mask |= 0x0001 << or;
 818         mask |= 0x0100 << head;
 819
 820         list_for_each_entry(outp, &priv->base.outp, head) {
 821                 if ((outp->info.hasht & 0xff) == type &&
 822                     (outp->info.hashm & mask) == mask) {
 823                         *data = nvbios_outp_match(bios, outp->info.hasht,
 824                                                         outp->info.hashm,
 825                                                   ver, hdr, cnt, len, info);
 826                         if (!*data)
 827                                 return NULL;
 828                         return outp;
 829                 }
 830         }
 831
 832         return NULL;
 833 }
 834
 835 static struct nvkm_output *
 836 exec_script(struct nv50_disp_priv *priv, int head, int id)
 837 {
 838         struct nvkm_bios *bios = nvkm_bios(priv);
 839         struct nvkm_output *outp;
 840         struct nvbios_outp info;
 841         u8  ver, hdr, cnt, len;
 842         u32 data, ctrl = 0;
 843         int or;
 844
 845         for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) {
 846                 ctrl = nv_rd32(priv, 0x640180 + (or * 0x20));
 847                 if (ctrl & (1 << head))
 848                         break;
 849         }
 850
 851         if (or == 8)
 852                 return NULL;
 853
 854         outp = exec_lookup(priv, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info);
 855         if (outp) {
 856                 struct nvbios_init init = {
 857                         .subdev = nv_subdev(priv),
 858                         .bios = bios,
 859                         .offset = info.script[id],
 860                         .outp = &outp->info,
 861                         .crtc = head,
 862                         .execute = 1,
 863                 };
 864
 865                 nvbios_exec(&init);
 866         }
 867
 868         return outp;
 869 }
 870
 871 static struct nvkm_output *
 872 exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, u32 *conf)
 873 {
 874         struct nvkm_bios *bios = nvkm_bios(priv);
 875         struct nvkm_output *outp;
 876         struct nvbios_outp info1;
 877         struct nvbios_ocfg info2;
 878         u8  ver, hdr, cnt, len;
 879         u32 data, ctrl = 0;
 880         int or;
 881
 882         for (or = 0; !(ctrl & (1 << head)) && or < 8; or++) {
 883                 ctrl = nv_rd32(priv, 0x660180 + (or * 0x20));
 884                 if (ctrl & (1 << head))
 885                         break;
 886         }
 887
 888         if (or == 8)
 889                 return NULL;
 890
 891         outp = exec_lookup(priv, head, or, ctrl, &data, &ver, &hdr, &cnt, &len, &info1);
 892         if (!outp)
 893                 return NULL;
 894
 895         switch (outp->info.type) {
 896         case DCB_OUTPUT_TMDS:
 897                 *conf = (ctrl & 0x00000f00) >> 8;
 898                 if (pclk >= 165000)
 899                         *conf |= 0x0100;
 900                 break;
 901         case DCB_OUTPUT_LVDS:
 902                 *conf = priv->sor.lvdsconf;
 903                 break;
 904         case DCB_OUTPUT_DP:
 905                 *conf = (ctrl & 0x00000f00) >> 8;
 906                 break;
 907         case DCB_OUTPUT_ANALOG:
 908         default:
 909                 *conf = 0x00ff;
 910                 break;
 911         }
 912
 913         data = nvbios_ocfg_match(bios, data, *conf, &ver, &hdr, &cnt, &len, &info2);
 914         if (data && id < 0xff) {
 915                 data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
 916                 if (data) {
 917                         struct nvbios_init init = {
 918                                 .subdev = nv_subdev(priv),
 919                                 .bios = bios,
 920                                 .offset = data,
 921                                 .outp = &outp->info,
 922                                 .crtc = head,
 923                                 .execute = 1,
 924                         };
 925
 926                         nvbios_exec(&init);
 927                 }
 928         }
 929
 930         return outp;
 931 }
 932
 933 static void
 934 gf110_disp_intr_unk1_0(struct nv50_disp_priv *priv, int head)
 935 {
 936         exec_script(priv, head, 1);
 937 }
 938
 939 static void
 940 gf110_disp_intr_unk2_0(struct nv50_disp_priv *priv, int head)
 941 {
 942         struct nvkm_output *outp = exec_script(priv, head, 2);
 943
 944         /* see note in nv50_disp_intr_unk20_0() */
 945         if (outp && outp->info.type == DCB_OUTPUT_DP) {
 946                 struct nvkm_output_dp *outpdp = (void *)outp;
 947                 struct nvbios_init init = {
 948                         .subdev = nv_subdev(priv),
 949                         .bios = nvkm_bios(priv),
 950                         .outp = &outp->info,
 951                         .crtc = head,
 952                         .offset = outpdp->info.script[4],
 953                         .execute = 1,
 954                 };
 955
 956                 nvbios_exec(&init);
 957                 atomic_set(&outpdp->lt.done, 0);
 958         }
 959 }
 960
 961 static void
 962 gf110_disp_intr_unk2_1(struct nv50_disp_priv *priv, int head)
 963 {
 964         struct nvkm_devinit *devinit = nvkm_devinit(priv);
 965         u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
 966         if (pclk)
 967                 devinit->pll_set(devinit, PLL_VPLL0 + head, pclk);
 968         nv_wr32(priv, 0x612200 + (head * 0x800), 0x00000000);
 969 }
 970
 971 static void
 972 gf110_disp_intr_unk2_2_tu(struct nv50_disp_priv *priv, int head,
 973                           struct dcb_output *outp)
 974 {
 975         const int or = ffs(outp->or) - 1;
 976         const u32 ctrl = nv_rd32(priv, 0x660200 + (or   * 0x020));
 977         const u32 conf = nv_rd32(priv, 0x660404 + (head * 0x300));
 978         const s32 vactive = nv_rd32(priv, 0x660414 + (head * 0x300)) & 0xffff;
 979         const s32 vblanke = nv_rd32(priv, 0x66041c + (head * 0x300)) & 0xffff;
 980         const s32 vblanks = nv_rd32(priv, 0x660420 + (head * 0x300)) & 0xffff;
 981         const u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
 982         const u32 link = ((ctrl & 0xf00) == 0x800) ? 0 : 1;
 983         const u32 hoff = (head * 0x800);
 984         const u32 soff = (  or * 0x800);
 985         const u32 loff = (link * 0x080) + soff;
 986         const u32 symbol = 100000;
 987         const u32 TU = 64;
 988         u32 dpctrl = nv_rd32(priv, 0x61c10c + loff);
 989         u32 clksor = nv_rd32(priv, 0x612300 + soff);
 990         u32 datarate, link_nr, link_bw, bits;
 991         u64 ratio, value;
 992
 993         link_nr  = hweight32(dpctrl & 0x000f0000);
 994         link_bw  = (clksor & 0x007c0000) >> 18;
 995         link_bw *= 27000;
 996
 997         /* symbols/hblank - algorithm taken from comments in tegra driver */
 998         value = vblanke + vactive - vblanks - 7;
 999         value = value * link_bw;
1000         do_div(value, pclk);
1001         value = value - (3 * !!(dpctrl & 0x00004000)) - (12 / link_nr);
1002         nv_mask(priv, 0x616620 + hoff, 0x0000ffff, value);
1003
1004         /* symbols/vblank - algorithm taken from comments in tegra driver */
1005         value = vblanks - vblanke - 25;
1006         value = value * link_bw;
1007         do_div(value, pclk);
1008         value = value - ((36 / link_nr) + 3) - 1;
1009         nv_mask(priv, 0x616624 + hoff, 0x00ffffff, value);
1010
1011         /* watermark */
1012         if      ((conf & 0x3c0) == 0x180) bits = 30;
1013         else if ((conf & 0x3c0) == 0x140) bits = 24;
1014         else                              bits = 18;
1015         datarate = (pclk * bits) / 8;
1016
1017         ratio  = datarate;
1018         ratio *= symbol;
1019         do_div(ratio, link_nr * link_bw);
1020
1021         value  = (symbol - ratio) * TU;
1022         value *= ratio;
1023         do_div(value, symbol);
1024         do_div(value, symbol);
1025
1026         value += 5;
1027         value |= 0x08000000;
1028
1029         nv_wr32(priv, 0x616610 + hoff, value);
1030 }
1031
1032 static void
1033 gf110_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head)
1034 {
1035         struct nvkm_output *outp;
1036         u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
1037         u32 conf, addr, data;
1038
1039         outp = exec_clkcmp(priv, head, 0xff, pclk, &conf);
1040         if (!outp)
1041                 return;
1042
1043         /* see note in nv50_disp_intr_unk20_2() */
1044         if (outp->info.type == DCB_OUTPUT_DP) {
1045                 u32 sync = nv_rd32(priv, 0x660404 + (head * 0x300));
1046                 switch ((sync & 0x000003c0) >> 6) {
1047                 case 6: pclk = pclk * 30; break;
1048                 case 5: pclk = pclk * 24; break;
1049                 case 2:
1050                 default:
1051                         pclk = pclk * 18;
1052                         break;
1053                 }
1054
1055                 if (nvkm_output_dp_train(outp, pclk, true))
1056                         ERR("link not trained before attach\n");
1057         } else {
1058                 if (priv->sor.magic)
1059                         priv->sor.magic(outp);
1060         }
1061
1062         exec_clkcmp(priv, head, 0, pclk, &conf);
1063
1064         if (outp->info.type == DCB_OUTPUT_ANALOG) {
1065                 addr = 0x612280 + (ffs(outp->info.or) - 1) * 0x800;
1066                 data = 0x00000000;
1067         } else {
1068                 addr = 0x612300 + (ffs(outp->info.or) - 1) * 0x800;
1069                 data = (conf & 0x0100) ? 0x00000101 : 0x00000000;
1070                 switch (outp->info.type) {
1071                 case DCB_OUTPUT_TMDS:
1072                         nv_mask(priv, addr, 0x007c0000, 0x00280000);
1073                         break;
1074                 case DCB_OUTPUT_DP:
1075                         gf110_disp_intr_unk2_2_tu(priv, head, &outp->info);
1076                         break;
1077                 default:
1078                         break;
1079                 }
1080         }
1081
1082         nv_mask(priv, addr, 0x00000707, data);
1083 }
1084
1085 static void
1086 gf110_disp_intr_unk4_0(struct nv50_disp_priv *priv, int head)
1087 {
1088         u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000;
1089         u32 conf;
1090
1091         exec_clkcmp(priv, head, 1, pclk, &conf);
1092 }
1093
1094 void
1095 gf110_disp_intr_supervisor(struct work_struct *work)
1096 {
1097         struct nv50_disp_priv *priv =
1098                 container_of(work, struct nv50_disp_priv, supervisor);
1099         struct nv50_disp_impl *impl = (void *)nv_object(priv)->oclass;
1100         u32 mask[4];
1101         int head;
1102
1103         nv_debug(priv, "supervisor %d\n", ffs(priv->super));
1104         for (head = 0; head < priv->head.nr; head++) {
1105                 mask[head] = nv_rd32(priv, 0x6101d4 + (head * 0x800));
1106                 nv_debug(priv, "head %d: 0x%08x\n", head, mask[head]);
1107         }
1108
1109         if (priv->super & 0x00000001) {
1110                 nv50_disp_mthd_chan(priv, NV_DBG_DEBUG, 0, impl->mthd.core);
1111                 for (head = 0; head < priv->head.nr; head++) {
1112                         if (!(mask[head] & 0x00001000))
1113                                 continue;
1114                         nv_debug(priv, "supervisor 1.0 - head %d\n", head);
1115                         gf110_disp_intr_unk1_0(priv, head);
1116                 }
1117         } else
1118         if (priv->super & 0x00000002) {
1119                 for (head = 0; head < priv->head.nr; head++) {
1120                         if (!(mask[head] & 0x00001000))
1121                                 continue;
1122                         nv_debug(priv, "supervisor 2.0 - head %d\n", head);
1123                         gf110_disp_intr_unk2_0(priv, head);
1124                 }
1125                 for (head = 0; head < priv->head.nr; head++) {
1126                         if (!(mask[head] & 0x00010000))
1127                                 continue;
1128                         nv_debug(priv, "supervisor 2.1 - head %d\n", head);
1129                         gf110_disp_intr_unk2_1(priv, head);
1130                 }
1131                 for (head = 0; head < priv->head.nr; head++) {
1132                         if (!(mask[head] & 0x00001000))
1133                                 continue;
1134                         nv_debug(priv, "supervisor 2.2 - head %d\n", head);
1135                         gf110_disp_intr_unk2_2(priv, head);
1136                 }
1137         } else
1138         if (priv->super & 0x00000004) {
1139                 for (head = 0; head < priv->head.nr; head++) {
1140                         if (!(mask[head] & 0x00001000))
1141                                 continue;
1142                         nv_debug(priv, "supervisor 3.0 - head %d\n", head);
1143                         gf110_disp_intr_unk4_0(priv, head);
1144                 }
1145         }
1146
1147         for (head = 0; head < priv->head.nr; head++)
1148                 nv_wr32(priv, 0x6101d4 + (head * 0x800), 0x00000000);
1149         nv_wr32(priv, 0x6101d0, 0x80000000);
1150 }
1151
1152 static void
1153 gf110_disp_intr_error(struct nv50_disp_priv *priv, int chid)
1154 {
1155         const struct nv50_disp_impl *impl = (void *)nv_object(priv)->oclass;
1156         u32 mthd = nv_rd32(priv, 0x6101f0 + (chid * 12));
1157         u32 data = nv_rd32(priv, 0x6101f4 + (chid * 12));
1158         u32 unkn = nv_rd32(priv, 0x6101f8 + (chid * 12));
1159
1160         nv_error(priv, "chid %d mthd 0x%04x data 0x%08x "
1161                        "0x%08x 0x%08x\n",
1162                  chid, (mthd & 0x0000ffc), data, mthd, unkn);
1163
1164         if (chid == 0) {
1165                 switch (mthd & 0xffc) {
1166                 case 0x0080:
1167                         nv50_disp_mthd_chan(priv, NV_DBG_ERROR, chid - 0,
1168                                             impl->mthd.core);
1169                         break;
1170                 default:
1171                         break;
1172                 }
1173         } else
1174         if (chid <= 4) {
1175                 switch (mthd & 0xffc) {
1176                 case 0x0080:
1177                         nv50_disp_mthd_chan(priv, NV_DBG_ERROR, chid - 1,
1178                                             impl->mthd.base);
1179                         break;
1180                 default:
1181                         break;
1182                 }
1183         } else
1184         if (chid <= 8) {
1185                 switch (mthd & 0xffc) {
1186                 case 0x0080:
1187                         nv50_disp_mthd_chan(priv, NV_DBG_ERROR, chid - 5,
1188                                             impl->mthd.ovly);
1189                         break;
1190                 default:
1191                         break;
1192                 }
1193         }
1194
1195         nv_wr32(priv, 0x61009c, (1 << chid));
1196         nv_wr32(priv, 0x6101f0 + (chid * 12), 0x90000000);
1197 }
1198
1199 void
1200 gf110_disp_intr(struct nvkm_subdev *subdev)
1201 {
1202         struct nv50_disp_priv *priv = (void *)subdev;
1203         u32 intr = nv_rd32(priv, 0x610088);
1204         int i;
1205
1206         if (intr & 0x00000001) {
1207                 u32 stat = nv_rd32(priv, 0x61008c);
1208                 while (stat) {
1209                         int chid = __ffs(stat); stat &= ~(1 << chid);
1210                         nv50_disp_chan_uevent_send(priv, chid);
1211                         nv_wr32(priv, 0x61008c, 1 << chid);
1212                 }
1213                 intr &= ~0x00000001;
1214         }
1215
1216         if (intr & 0x00000002) {
1217                 u32 stat = nv_rd32(priv, 0x61009c);
1218                 int chid = ffs(stat) - 1;
1219                 if (chid >= 0)
1220                         gf110_disp_intr_error(priv, chid);
1221                 intr &= ~0x00000002;
1222         }
1223
1224         if (intr & 0x00100000) {
1225                 u32 stat = nv_rd32(priv, 0x6100ac);
1226                 if (stat & 0x00000007) {
1227                         priv->super = (stat & 0x00000007);
1228                         schedule_work(&priv->supervisor);
1229                         nv_wr32(priv, 0x6100ac, priv->super);
1230                         stat &= ~0x00000007;
1231                 }
1232
1233                 if (stat) {
1234                         nv_info(priv, "unknown intr24 0x%08x\n", stat);
1235                         nv_wr32(priv, 0x6100ac, stat);
1236                 }
1237
1238                 intr &= ~0x00100000;
1239         }
1240
1241         for (i = 0; i < priv->head.nr; i++) {
1242                 u32 mask = 0x01000000 << i;
1243                 if (mask & intr) {
1244                         u32 stat = nv_rd32(priv, 0x6100bc + (i * 0x800));
1245                         if (stat & 0x00000001)
1246                                 nvkm_disp_vblank(&priv->base, i);
1247                         nv_mask(priv, 0x6100bc + (i * 0x800), 0, 0);
1248                         nv_rd32(priv, 0x6100c0 + (i * 0x800));
1249                 }
1250         }
1251 }
1252
1253 static int
1254 gf110_disp_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
1255                 struct nvkm_oclass *oclass, void *data, u32 size,
1256                 struct nvkm_object **pobject)
1257 {
1258         struct nv50_disp_priv *priv;
1259         int heads = nv_rd32(parent, 0x022448);
1260         int ret;
1261
1262         ret = nvkm_disp_create(parent, engine, oclass, heads,
1263                                "PDISP", "display", &priv);
1264         *pobject = nv_object(priv);
1265         if (ret)
1266                 return ret;
1267
1268         ret = nvkm_event_init(&gf110_disp_chan_uevent, 1, 17, &priv->uevent);
1269         if (ret)
1270                 return ret;
1271
1272         nv_engine(priv)->sclass = gf110_disp_main_oclass;
1273         nv_engine(priv)->cclass = &nv50_disp_cclass;
1274         nv_subdev(priv)->intr = gf110_disp_intr;
1275         INIT_WORK(&priv->supervisor, gf110_disp_intr_supervisor);
1276         priv->sclass = gf110_disp_sclass;
1277         priv->head.nr = heads;
1278         priv->dac.nr = 3;
1279         priv->sor.nr = 4;
1280         priv->dac.power = nv50_dac_power;
1281         priv->dac.sense = nv50_dac_sense;
1282         priv->sor.power = nv50_sor_power;
1283         priv->sor.hda_eld = gf110_hda_eld;
1284         priv->sor.hdmi = gf110_hdmi_ctrl;
1285         return 0;
1286 }
1287
1288 struct nvkm_oclass *
1289 gf110_disp_outp_sclass[] = {
1290         &gf110_sor_dp_impl.base.base,
1291         NULL
1292 };
1293
1294 struct nvkm_oclass *
1295 gf110_disp_oclass = &(struct nv50_disp_impl) {
1296         .base.base.handle = NV_ENGINE(DISP, 0x90),
1297         .base.base.ofuncs = &(struct nvkm_ofuncs) {
1298                 .ctor = gf110_disp_ctor,
1299                 .dtor = _nvkm_disp_dtor,
1300                 .init = _nvkm_disp_init,
1301                 .fini = _nvkm_disp_fini,
1302         },
1303         .base.vblank = &gf110_disp_vblank_func,
1304         .base.outp =  gf110_disp_outp_sclass,
1305         .mthd.core = &gf110_disp_core_mthd_chan,
1306         .mthd.base = &gf110_disp_base_mthd_chan,
1307         .mthd.ovly = &gf110_disp_ovly_mthd_chan,
1308         .mthd.prev = -0x020000,
1309         .head.scanoutpos = gf110_disp_main_scanoutpos,
1310 }.base.base;