drivers/gpu/drm/nouveau/core/engine/graph/nv40.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
  25 #include <core/os.h>
  26 #include <core/class.h>
  27 #include <core/handle.h>
  28 #include <core/engctx.h>
  29
  30 #include <subdev/fb.h>
  31 #include <subdev/timer.h>
  32
  33 #include <engine/graph.h>
  34 #include <engine/fifo.h>
  35
  36 #include "nv40.h"
  37 #include "regs.h"
  38
  39 struct nv40_graph_priv {
  40         struct nouveau_graph base;
  41         u32 size;
  42 };
  43
  44 struct nv40_graph_chan {
  45         struct nouveau_graph_chan base;
  46 };
  47
  48 /*******************************************************************************
  49  * Graphics object classes
  50  ******************************************************************************/
  51
  52 static int
  53 nv40_graph_object_ctor(struct nouveau_object *parent,
  54                        struct nouveau_object *engine,
  55                        struct nouveau_oclass *oclass, void *data, u32 size,
  56                        struct nouveau_object **pobject)
  57 {
  58         struct nouveau_gpuobj *obj;
  59         int ret;
  60
  61         ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent,
  62                                     20, 16, 0, &obj);
  63         *pobject = nv_object(obj);
  64         if (ret)
  65                 return ret;
  66
  67         nv_wo32(obj, 0x00, nv_mclass(obj));
  68         nv_wo32(obj, 0x04, 0x00000000);
  69         nv_wo32(obj, 0x08, 0x00000000);
  70 #ifdef __BIG_ENDIAN
  71         nv_mo32(obj, 0x08, 0x01000000, 0x01000000);
  72 #endif
  73         nv_wo32(obj, 0x0c, 0x00000000);
  74         nv_wo32(obj, 0x10, 0x00000000);
  75         return 0;
  76 }
  77
  78 static struct nouveau_ofuncs
  79 nv40_graph_ofuncs = {
  80         .ctor = nv40_graph_object_ctor,
  81         .dtor = _nouveau_gpuobj_dtor,
  82         .init = _nouveau_gpuobj_init,
  83         .fini = _nouveau_gpuobj_fini,
  84         .rd32 = _nouveau_gpuobj_rd32,
  85         .wr32 = _nouveau_gpuobj_wr32,
  86 };
  87
  88 static struct nouveau_oclass
  89 nv40_graph_sclass[] = {
  90         { 0x0012, &nv40_graph_ofuncs, NULL }, /* beta1 */
  91         { 0x0019, &nv40_graph_ofuncs, NULL }, /* clip */
  92         { 0x0030, &nv40_graph_ofuncs, NULL }, /* null */
  93         { 0x0039, &nv40_graph_ofuncs, NULL }, /* m2mf */
  94         { 0x0043, &nv40_graph_ofuncs, NULL }, /* rop */
  95         { 0x0044, &nv40_graph_ofuncs, NULL }, /* patt */
  96         { 0x004a, &nv40_graph_ofuncs, NULL }, /* gdi */
  97         { 0x0062, &nv40_graph_ofuncs, NULL }, /* surf2d */
  98         { 0x0072, &nv40_graph_ofuncs, NULL }, /* beta4 */
  99         { 0x0089, &nv40_graph_ofuncs, NULL }, /* sifm */
 100         { 0x008a, &nv40_graph_ofuncs, NULL }, /* ifc */
 101         { 0x009f, &nv40_graph_ofuncs, NULL }, /* imageblit */
 102         { 0x3062, &nv40_graph_ofuncs, NULL }, /* surf2d (nv40) */
 103         { 0x3089, &nv40_graph_ofuncs, NULL }, /* sifm (nv40) */
 104         { 0x309e, &nv40_graph_ofuncs, NULL }, /* swzsurf (nv40) */
 105         { 0x4097, &nv40_graph_ofuncs, NULL }, /* curie */
 106         {},
 107 };
 108
 109 static struct nouveau_oclass
 110 nv44_graph_sclass[] = {
 111         { 0x0012, &nv40_graph_ofuncs, NULL }, /* beta1 */
 112         { 0x0019, &nv40_graph_ofuncs, NULL }, /* clip */
 113         { 0x0030, &nv40_graph_ofuncs, NULL }, /* null */
 114         { 0x0039, &nv40_graph_ofuncs, NULL }, /* m2mf */
 115         { 0x0043, &nv40_graph_ofuncs, NULL }, /* rop */
 116         { 0x0044, &nv40_graph_ofuncs, NULL }, /* patt */
 117         { 0x004a, &nv40_graph_ofuncs, NULL }, /* gdi */
 118         { 0x0062, &nv40_graph_ofuncs, NULL }, /* surf2d */
 119         { 0x0072, &nv40_graph_ofuncs, NULL }, /* beta4 */
 120         { 0x0089, &nv40_graph_ofuncs, NULL }, /* sifm */
 121         { 0x008a, &nv40_graph_ofuncs, NULL }, /* ifc */
 122         { 0x009f, &nv40_graph_ofuncs, NULL }, /* imageblit */
 123         { 0x3062, &nv40_graph_ofuncs, NULL }, /* surf2d (nv40) */
 124         { 0x3089, &nv40_graph_ofuncs, NULL }, /* sifm (nv40) */
 125         { 0x309e, &nv40_graph_ofuncs, NULL }, /* swzsurf (nv40) */
 126         { 0x4497, &nv40_graph_ofuncs, NULL }, /* curie */
 127         {},
 128 };
 129
 130 /*******************************************************************************
 131  * PGRAPH context
 132  ******************************************************************************/
 133
 134 static int
 135 nv40_graph_context_ctor(struct nouveau_object *parent,
 136                         struct nouveau_object *engine,
 137                         struct nouveau_oclass *oclass, void *data, u32 size,
 138                         struct nouveau_object **pobject)
 139 {
 140         struct nv40_graph_priv *priv = (void *)engine;
 141         struct nv40_graph_chan *chan;
 142         int ret;
 143
 144         ret = nouveau_graph_context_create(parent, engine, oclass, NULL,
 145                                            priv->size, 16,
 146                                            NVOBJ_FLAG_ZERO_ALLOC, &chan);
 147         *pobject = nv_object(chan);
 148         if (ret)
 149                 return ret;
 150
 151         nv40_grctx_fill(nv_device(priv), nv_gpuobj(chan));
 152         nv_wo32(chan, 0x00000, nv_gpuobj(chan)->addr >> 4);
 153         return 0;
 154 }
 155
 156 static int
 157 nv40_graph_context_fini(struct nouveau_object *object, bool suspend)
 158 {
 159         struct nv40_graph_priv *priv = (void *)object->engine;
 160         struct nv40_graph_chan *chan = (void *)object;
 161         u32 inst = 0x01000000 | nv_gpuobj(chan)->addr >> 4;
 162         int ret = 0;
 163
 164         nv_mask(priv, 0x400720, 0x00000001, 0x00000000);
 165
 166         if (nv_rd32(priv, 0x40032c) == inst) {
 167                 if (suspend) {
 168                         nv_wr32(priv, 0x400720, 0x00000000);
 169                         nv_wr32(priv, 0x400784, inst);
 170                         nv_mask(priv, 0x400310, 0x00000020, 0x00000020);
 171                         nv_mask(priv, 0x400304, 0x00000001, 0x00000001);
 172                         if (!nv_wait(priv, 0x400300, 0x00000001, 0x00000000)) {
 173                                 u32 insn = nv_rd32(priv, 0x400308);
 174                                 nv_warn(priv, "ctxprog timeout 0x%08x\n", insn);
 175                                 ret = -EBUSY;
 176                         }
 177                 }
 178
 179                 nv_mask(priv, 0x40032c, 0x01000000, 0x00000000);
 180         }
 181
 182         if (nv_rd32(priv, 0x400330) == inst)
 183                 nv_mask(priv, 0x400330, 0x01000000, 0x00000000);
 184
 185         nv_mask(priv, 0x400720, 0x00000001, 0x00000001);
 186         return ret;
 187 }
 188
 189 static struct nouveau_oclass
 190 nv40_graph_cclass = {
 191         .handle = NV_ENGCTX(GR, 0x40),
 192         .ofuncs = &(struct nouveau_ofuncs) {
 193                 .ctor = nv40_graph_context_ctor,
 194                 .dtor = _nouveau_graph_context_dtor,
 195                 .init = _nouveau_graph_context_init,
 196                 .fini = nv40_graph_context_fini,
 197                 .rd32 = _nouveau_graph_context_rd32,
 198                 .wr32 = _nouveau_graph_context_wr32,
 199         },
 200 };
 201
 202 /*******************************************************************************
 203  * PGRAPH engine/subdev functions
 204  ******************************************************************************/
 205
 206 static void
 207 nv40_graph_tile_prog(struct nouveau_engine *engine, int i)
 208 {
 209         struct nouveau_fb_tile *tile = &nouveau_fb(engine)->tile.region[i];
 210         struct nouveau_fifo *pfifo = nouveau_fifo(engine);
 211         struct nv40_graph_priv *priv = (void *)engine;
 212         unsigned long flags;
 213
 214         pfifo->pause(pfifo, &flags);
 215         nv04_graph_idle(priv);
 216
 217         switch (nv_device(priv)->chipset) {
 218         case 0x40:
 219         case 0x41:
 220         case 0x42:
 221         case 0x43:
 222         case 0x45:
 223         case 0x4e:
 224                 nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
 225                 nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
 226                 nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
 227                 nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
 228                 nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
 229                 nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
 230                 switch (nv_device(priv)->chipset) {
 231                 case 0x40:
 232                 case 0x45:
 233                         nv_wr32(priv, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
 234                         nv_wr32(priv, NV40_PGRAPH_ZCOMP1(i), tile->zcomp);
 235                         break;
 236                 case 0x41:
 237                 case 0x42:
 238                 case 0x43:
 239                         nv_wr32(priv, NV41_PGRAPH_ZCOMP0(i), tile->zcomp);
 240                         nv_wr32(priv, NV41_PGRAPH_ZCOMP1(i), tile->zcomp);
 241                         break;
 242                 default:
 243                         break;
 244                 }
 245                 break;
 246         case 0x44:
 247         case 0x4a:
 248                 nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
 249                 nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
 250                 nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
 251                 break;
 252         case 0x46:
 253         case 0x4c:
 254         case 0x47:
 255         case 0x49:
 256         case 0x4b:
 257         case 0x63:
 258         case 0x67:
 259         case 0x68:
 260                 nv_wr32(priv, NV47_PGRAPH_TSIZE(i), tile->pitch);
 261                 nv_wr32(priv, NV47_PGRAPH_TLIMIT(i), tile->limit);
 262                 nv_wr32(priv, NV47_PGRAPH_TILE(i), tile->addr);
 263                 nv_wr32(priv, NV40_PGRAPH_TSIZE1(i), tile->pitch);
 264                 nv_wr32(priv, NV40_PGRAPH_TLIMIT1(i), tile->limit);
 265                 nv_wr32(priv, NV40_PGRAPH_TILE1(i), tile->addr);
 266                 switch (nv_device(priv)->chipset) {
 267                 case 0x47:
 268                 case 0x49:
 269                 case 0x4b:
 270                         nv_wr32(priv, NV47_PGRAPH_ZCOMP0(i), tile->zcomp);
 271                         nv_wr32(priv, NV47_PGRAPH_ZCOMP1(i), tile->zcomp);
 272                         break;
 273                 default:
 274                         break;
 275                 }
 276                 break;
 277         default:
 278                 break;
 279         }
 280
 281         pfifo->start(pfifo, &flags);
 282 }
 283
 284 static void
 285 nv40_graph_intr(struct nouveau_subdev *subdev)
 286 {
 287         struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
 288         struct nouveau_engine *engine = nv_engine(subdev);
 289         struct nouveau_object *engctx;
 290         struct nouveau_handle *handle = NULL;
 291         struct nv40_graph_priv *priv = (void *)subdev;
 292         u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
 293         u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
 294         u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
 295         u32 inst = nv_rd32(priv, 0x40032c) & 0x000fffff;
 296         u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
 297         u32 subc = (addr & 0x00070000) >> 16;
 298         u32 mthd = (addr & 0x00001ffc);
 299         u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
 300         u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xffff;
 301         u32 show = stat;
 302         int chid;
 303
 304         engctx = nouveau_engctx_get(engine, inst);
 305         chid   = pfifo->chid(pfifo, engctx);
 306
 307         if (stat & NV_PGRAPH_INTR_ERROR) {
 308                 if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
 309                         handle = nouveau_handle_get_class(engctx, class);
 310                         if (handle && !nv_call(handle->object, mthd, data))
 311                                 show &= ~NV_PGRAPH_INTR_ERROR;
 312                         nouveau_handle_put(handle);
 313                 }
 314
 315                 if (nsource & NV03_PGRAPH_NSOURCE_DMA_VTX_PROTECTION) {
 316                         nv_mask(priv, 0x402000, 0, 0);
 317                 }
 318         }
 319
 320         nv_wr32(priv, NV03_PGRAPH_INTR, stat);
 321         nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);
 322
 323         if (show) {
 324                 nv_error(priv, "");
 325                 nouveau_bitfield_print(nv10_graph_intr_name, show);
 326                 printk(" nsource:");
 327                 nouveau_bitfield_print(nv04_graph_nsource, nsource);
 328                 printk(" nstatus:");
 329                 nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
 330                 printk("\n");
 331                 nv_error(priv, "ch %d [0x%08x] subc %d class 0x%04x "
 332                                "mthd 0x%04x data 0x%08x\n",
 333                          chid, inst << 4, subc, class, mthd, data);
 334         }
 335
 336         nouveau_engctx_put(engctx);
 337 }
 338
 339 static int
 340 nv40_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 341                struct nouveau_oclass *oclass, void *data, u32 size,
 342                struct nouveau_object **pobject)
 343 {
 344         struct nv40_graph_priv *priv;
 345         int ret;
 346
 347         ret = nouveau_graph_create(parent, engine, oclass, true, &priv);
 348         *pobject = nv_object(priv);
 349         if (ret)
 350                 return ret;
 351
 352         nv_subdev(priv)->unit = 0x00001000;
 353         nv_subdev(priv)->intr = nv40_graph_intr;
 354         nv_engine(priv)->cclass = &nv40_graph_cclass;
 355         if (nv44_graph_class(priv))
 356                 nv_engine(priv)->sclass = nv44_graph_sclass;
 357         else
 358                 nv_engine(priv)->sclass = nv40_graph_sclass;
 359         nv_engine(priv)->tile_prog = nv40_graph_tile_prog;
 360         return 0;
 361 }
 362
 363 static int
 364 nv40_graph_init(struct nouveau_object *object)
 365 {
 366         struct nouveau_engine *engine = nv_engine(object);
 367         struct nouveau_fb *pfb = nouveau_fb(object);
 368         struct nv40_graph_priv *priv = (void *)engine;
 369         int ret, i, j;
 370         u32 vramsz;
 371
 372         ret = nouveau_graph_init(&priv->base);
 373         if (ret)
 374                 return ret;
 375
 376         /* generate and upload context program */
 377         ret = nv40_grctx_init(nv_device(priv), &priv->size);
 378         if (ret)
 379                 return ret;
 380
 381         /* No context present currently */
 382         nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
 383
 384         nv_wr32(priv, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
 385         nv_wr32(priv, NV40_PGRAPH_INTR_EN, 0xFFFFFFFF);
 386
 387         nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
 388         nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
 389         nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x401287c0);
 390         nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0xe0de8055);
 391         nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00008000);
 392         nv_wr32(priv, NV04_PGRAPH_LIMIT_VIOL_PIX, 0x00be3c5f);
 393
 394         nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10010100);
 395         nv_wr32(priv, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
 396
 397         j = nv_rd32(priv, 0x1540) & 0xff;
 398         if (j) {
 399                 for (i = 0; !(j & 1); j >>= 1, i++)
 400                         ;
 401                 nv_wr32(priv, 0x405000, i);
 402         }
 403
 404         if (nv_device(priv)->chipset == 0x40) {
 405                 nv_wr32(priv, 0x4009b0, 0x83280fff);
 406                 nv_wr32(priv, 0x4009b4, 0x000000a0);
 407         } else {
 408                 nv_wr32(priv, 0x400820, 0x83280eff);
 409                 nv_wr32(priv, 0x400824, 0x000000a0);
 410         }
 411
 412         switch (nv_device(priv)->chipset) {
 413         case 0x40:
 414         case 0x45:
 415                 nv_wr32(priv, 0x4009b8, 0x0078e366);
 416                 nv_wr32(priv, 0x4009bc, 0x0000014c);
 417                 break;
 418         case 0x41:
 419         case 0x42: /* pciid also 0x00Cx */
 420         /* case 0x0120: XXX (pciid) */
 421                 nv_wr32(priv, 0x400828, 0x007596ff);
 422                 nv_wr32(priv, 0x40082c, 0x00000108);
 423                 break;
 424         case 0x43:
 425                 nv_wr32(priv, 0x400828, 0x0072cb77);
 426                 nv_wr32(priv, 0x40082c, 0x00000108);
 427                 break;
 428         case 0x44:
 429         case 0x46: /* G72 */
 430         case 0x4a:
 431         case 0x4c: /* G7x-based C51 */
 432         case 0x4e:
 433                 nv_wr32(priv, 0x400860, 0);
 434                 nv_wr32(priv, 0x400864, 0);
 435                 break;
 436         case 0x47: /* G70 */
 437         case 0x49: /* G71 */
 438         case 0x4b: /* G73 */
 439                 nv_wr32(priv, 0x400828, 0x07830610);
 440                 nv_wr32(priv, 0x40082c, 0x0000016A);
 441                 break;
 442         default:
 443                 break;
 444         }
 445
 446         nv_wr32(priv, 0x400b38, 0x2ffff800);
 447         nv_wr32(priv, 0x400b3c, 0x00006000);
 448
 449         /* Tiling related stuff. */
 450         switch (nv_device(priv)->chipset) {
 451         case 0x44:
 452         case 0x4a:
 453                 nv_wr32(priv, 0x400bc4, 0x1003d888);
 454                 nv_wr32(priv, 0x400bbc, 0xb7a7b500);
 455                 break;
 456         case 0x46:
 457                 nv_wr32(priv, 0x400bc4, 0x0000e024);
 458                 nv_wr32(priv, 0x400bbc, 0xb7a7b520);
 459                 break;
 460         case 0x4c:
 461         case 0x4e:
 462         case 0x67:
 463                 nv_wr32(priv, 0x400bc4, 0x1003d888);
 464                 nv_wr32(priv, 0x400bbc, 0xb7a7b540);
 465                 break;
 466         default:
 467                 break;
 468         }
 469
 470         /* Turn all the tiling regions off. */
 471         for (i = 0; i < pfb->tile.regions; i++)
 472                 engine->tile_prog(engine, i);
 473
 474         /* begin RAM config */
 475         vramsz = pci_resource_len(nv_device(priv)->pdev, 0) - 1;
 476         switch (nv_device(priv)->chipset) {
 477         case 0x40:
 478                 nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
 479                 nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
 480                 nv_wr32(priv, 0x4069A4, nv_rd32(priv, 0x100200));
 481                 nv_wr32(priv, 0x4069A8, nv_rd32(priv, 0x100204));
 482                 nv_wr32(priv, 0x400820, 0);
 483                 nv_wr32(priv, 0x400824, 0);
 484                 nv_wr32(priv, 0x400864, vramsz);
 485                 nv_wr32(priv, 0x400868, vramsz);
 486                 break;
 487         default:
 488                 switch (nv_device(priv)->chipset) {
 489                 case 0x41:
 490                 case 0x42:
 491                 case 0x43:
 492                 case 0x45:
 493                 case 0x4e:
 494                 case 0x44:
 495                 case 0x4a:
 496                         nv_wr32(priv, 0x4009F0, nv_rd32(priv, 0x100200));
 497                         nv_wr32(priv, 0x4009F4, nv_rd32(priv, 0x100204));
 498                         break;
 499                 default:
 500                         nv_wr32(priv, 0x400DF0, nv_rd32(priv, 0x100200));
 501                         nv_wr32(priv, 0x400DF4, nv_rd32(priv, 0x100204));
 502                         break;
 503                 }
 504                 nv_wr32(priv, 0x4069F0, nv_rd32(priv, 0x100200));
 505                 nv_wr32(priv, 0x4069F4, nv_rd32(priv, 0x100204));
 506                 nv_wr32(priv, 0x400840, 0);
 507                 nv_wr32(priv, 0x400844, 0);
 508                 nv_wr32(priv, 0x4008A0, vramsz);
 509                 nv_wr32(priv, 0x4008A4, vramsz);
 510                 break;
 511         }
 512
 513         return 0;
 514 }
 515
 516 struct nouveau_oclass
 517 nv40_graph_oclass = {
 518         .handle = NV_ENGINE(GR, 0x40),
 519         .ofuncs = &(struct nouveau_ofuncs) {
 520                 .ctor = nv40_graph_ctor,
 521                 .dtor = _nouveau_graph_dtor,
 522                 .init = nv40_graph_init,
 523                 .fini = _nouveau_graph_fini,
 524         },
 525 };