drivers/gpu/drm/nouveau/nouveau_mem.c

   1 /*
   2  * Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3  * Copyright 2005 Stephane Marchesin
   4  *
   5  * The Weather Channel (TM) funded Tungsten Graphics to develop the
   6  * initial release of the Radeon 8500 driver under the XFree86 license.
   7  * This notice must be preserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the next
  17  * paragraph) shall be included in all copies or substantial portions of the
  18  * Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23  * THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  26  * DEALINGS IN THE SOFTWARE.
  27  *
  28  * Authors:
  29  *    Ben Skeggs <bskeggs@redhat.com>
  30  *    Roy Spliet <r.spliet@student.tudelft.nl>
  31  */
  32
  33
  34 #include "drmP.h"
  35 #include "drm.h"
  36 #include "drm_sarea.h"
  37
  38 #include "nouveau_drv.h"
  39 #include "nouveau_pm.h"
  40 #include "nouveau_mm.h"
  41 #include "nouveau_vm.h"
  42
  43 /*
  44  * NV10-NV40 tiling helpers
  45  */
  46
  47 static void
  48 nv10_mem_update_tile_region(struct drm_device *dev,
  49                             struct nouveau_tile_reg *tile, uint32_t addr,
  50                             uint32_t size, uint32_t pitch, uint32_t flags)
  51 {
  52         struct drm_nouveau_private *dev_priv = dev->dev_private;
  53         struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
  54         struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
  55         int i = tile - dev_priv->tile.reg, j;
  56         unsigned long save;
  57
  58         nouveau_fence_unref(&tile->fence);
  59
  60         if (tile->pitch)
  61                 pfb->free_tile_region(dev, i);
  62
  63         if (pitch)
  64                 pfb->init_tile_region(dev, i, addr, size, pitch, flags);
  65
  66         spin_lock_irqsave(&dev_priv->context_switch_lock, save);
  67         pfifo->reassign(dev, false);
  68         pfifo->cache_pull(dev, false);
  69
  70         nouveau_wait_for_idle(dev);
  71
  72         pfb->set_tile_region(dev, i);
  73         for (j = 0; j < NVOBJ_ENGINE_NR; j++) {
  74                 if (dev_priv->eng[j] && dev_priv->eng[j]->set_tile_region)
  75                         dev_priv->eng[j]->set_tile_region(dev, i);
  76         }
  77
  78         pfifo->cache_pull(dev, true);
  79         pfifo->reassign(dev, true);
  80         spin_unlock_irqrestore(&dev_priv->context_switch_lock, save);
  81 }
  82
  83 static struct nouveau_tile_reg *
  84 nv10_mem_get_tile_region(struct drm_device *dev, int i)
  85 {
  86         struct drm_nouveau_private *dev_priv = dev->dev_private;
  87         struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
  88
  89         spin_lock(&dev_priv->tile.lock);
  90
  91         if (!tile->used &&
  92             (!tile->fence || nouveau_fence_signalled(tile->fence)))
  93                 tile->used = true;
  94         else
  95                 tile = NULL;
  96
  97         spin_unlock(&dev_priv->tile.lock);
  98         return tile;
  99 }
 100
 101 void
 102 nv10_mem_put_tile_region(struct drm_device *dev, struct nouveau_tile_reg *tile,
 103                          struct nouveau_fence *fence)
 104 {
 105         struct drm_nouveau_private *dev_priv = dev->dev_private;
 106
 107         if (tile) {
 108                 spin_lock(&dev_priv->tile.lock);
 109                 if (fence) {
 110                         /* Mark it as pending. */
 111                         tile->fence = fence;
 112                         nouveau_fence_ref(fence);
 113                 }
 114
 115                 tile->used = false;
 116                 spin_unlock(&dev_priv->tile.lock);
 117         }
 118 }
 119
 120 struct nouveau_tile_reg *
 121 nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
 122                     uint32_t pitch, uint32_t flags)
 123 {
 124         struct drm_nouveau_private *dev_priv = dev->dev_private;
 125         struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
 126         struct nouveau_tile_reg *tile, *found = NULL;
 127         int i;
 128
 129         for (i = 0; i < pfb->num_tiles; i++) {
 130                 tile = nv10_mem_get_tile_region(dev, i);
 131
 132                 if (pitch && !found) {
 133                         found = tile;
 134                         continue;
 135
 136                 } else if (tile && tile->pitch) {
 137                         /* Kill an unused tile region. */
 138                         nv10_mem_update_tile_region(dev, tile, 0, 0, 0, 0);
 139                 }
 140
 141                 nv10_mem_put_tile_region(dev, tile, NULL);
 142         }
 143
 144         if (found)
 145                 nv10_mem_update_tile_region(dev, found, addr, size,
 146                                             pitch, flags);
 147         return found;
 148 }
 149
 150 /*
 151  * Cleanup everything
 152  */
 153 void
 154 nouveau_mem_vram_fini(struct drm_device *dev)
 155 {
 156         struct drm_nouveau_private *dev_priv = dev->dev_private;
 157
 158         ttm_bo_device_release(&dev_priv->ttm.bdev);
 159
 160         nouveau_ttm_global_release(dev_priv);
 161
 162         if (dev_priv->fb_mtrr >= 0) {
 163                 drm_mtrr_del(dev_priv->fb_mtrr,
 164                              pci_resource_start(dev->pdev, 1),
 165                              pci_resource_len(dev->pdev, 1), DRM_MTRR_WC);
 166                 dev_priv->fb_mtrr = -1;
 167         }
 168 }
 169
 170 void
 171 nouveau_mem_gart_fini(struct drm_device *dev)
 172 {
 173         nouveau_sgdma_takedown(dev);
 174
 175         if (drm_core_has_AGP(dev) && dev->agp) {
 176                 struct drm_agp_mem *entry, *tempe;
 177
 178                 /* Remove AGP resources, but leave dev->agp
 179                    intact until drv_cleanup is called. */
 180                 list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
 181                         if (entry->bound)
 182                                 drm_unbind_agp(entry->memory);
 183                         drm_free_agp(entry->memory, entry->pages);
 184                         kfree(entry);
 185                 }
 186                 INIT_LIST_HEAD(&dev->agp->memory);
 187
 188                 if (dev->agp->acquired)
 189                         drm_agp_release(dev);
 190
 191                 dev->agp->acquired = 0;
 192                 dev->agp->enabled = 0;
 193         }
 194 }
 195
 196 bool
 197 nouveau_mem_flags_valid(struct drm_device *dev, u32 tile_flags)
 198 {
 199         if (!(tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK))
 200                 return true;
 201
 202         return false;
 203 }
 204
 205 #if __OS_HAS_AGP
 206 static unsigned long
 207 get_agp_mode(struct drm_device *dev, unsigned long mode)
 208 {
 209         struct drm_nouveau_private *dev_priv = dev->dev_private;
 210
 211         /*
 212          * FW seems to be broken on nv18, it makes the card lock up
 213          * randomly.
 214          */
 215         if (dev_priv->chipset == 0x18)
 216                 mode &= ~PCI_AGP_COMMAND_FW;
 217
 218         /*
 219          * AGP mode set in the command line.
 220          */
 221         if (nouveau_agpmode > 0) {
 222                 bool agpv3 = mode & 0x8;
 223                 int rate = agpv3 ? nouveau_agpmode / 4 : nouveau_agpmode;
 224
 225                 mode = (mode & ~0x7) | (rate & 0x7);
 226         }
 227
 228         return mode;
 229 }
 230 #endif
 231
 232 int
 233 nouveau_mem_reset_agp(struct drm_device *dev)
 234 {
 235 #if __OS_HAS_AGP
 236         uint32_t saved_pci_nv_1, pmc_enable;
 237         int ret;
 238
 239         /* First of all, disable fast writes, otherwise if it's
 240          * already enabled in the AGP bridge and we disable the card's
 241          * AGP controller we might be locking ourselves out of it. */
 242         if ((nv_rd32(dev, NV04_PBUS_PCI_NV_19) |
 243              dev->agp->mode) & PCI_AGP_COMMAND_FW) {
 244                 struct drm_agp_info info;
 245                 struct drm_agp_mode mode;
 246
 247                 ret = drm_agp_info(dev, &info);
 248                 if (ret)
 249                         return ret;
 250
 251                 mode.mode = get_agp_mode(dev, info.mode) & ~PCI_AGP_COMMAND_FW;
 252                 ret = drm_agp_enable(dev, mode);
 253                 if (ret)
 254                         return ret;
 255         }
 256
 257         saved_pci_nv_1 = nv_rd32(dev, NV04_PBUS_PCI_NV_1);
 258
 259         /* clear busmaster bit */
 260         nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1 & ~0x4);
 261         /* disable AGP */
 262         nv_wr32(dev, NV04_PBUS_PCI_NV_19, 0);
 263
 264         /* power cycle pgraph, if enabled */
 265         pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE);
 266         if (pmc_enable & NV_PMC_ENABLE_PGRAPH) {
 267                 nv_wr32(dev, NV03_PMC_ENABLE,
 268                                 pmc_enable & ~NV_PMC_ENABLE_PGRAPH);
 269                 nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) |
 270                                 NV_PMC_ENABLE_PGRAPH);
 271         }
 272
 273         /* and restore (gives effect of resetting AGP) */
 274         nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1);
 275 #endif
 276
 277         return 0;
 278 }
 279
 280 int
 281 nouveau_mem_init_agp(struct drm_device *dev)
 282 {
 283 #if __OS_HAS_AGP
 284         struct drm_nouveau_private *dev_priv = dev->dev_private;
 285         struct drm_agp_info info;
 286         struct drm_agp_mode mode;
 287         int ret;
 288
 289         if (!dev->agp->acquired) {
 290                 ret = drm_agp_acquire(dev);
 291                 if (ret) {
 292                         NV_ERROR(dev, "Unable to acquire AGP: %d\n", ret);
 293                         return ret;
 294                 }
 295         }
 296
 297         nouveau_mem_reset_agp(dev);
 298
 299         ret = drm_agp_info(dev, &info);
 300         if (ret) {
 301                 NV_ERROR(dev, "Unable to get AGP info: %d\n", ret);
 302                 return ret;
 303         }
 304
 305         /* see agp.h for the AGPSTAT_* modes available */
 306         mode.mode = get_agp_mode(dev, info.mode);
 307         ret = drm_agp_enable(dev, mode);
 308         if (ret) {
 309                 NV_ERROR(dev, "Unable to enable AGP: %d\n", ret);
 310                 return ret;
 311         }
 312
 313         dev_priv->gart_info.type        = NOUVEAU_GART_AGP;
 314         dev_priv->gart_info.aper_base   = info.aperture_base;
 315         dev_priv->gart_info.aper_size   = info.aperture_size;
 316 #endif
 317         return 0;
 318 }
 319
 320 static const struct vram_types {
 321         int value;
 322         const char *name;
 323 } vram_type_map[] = {
 324         { NV_MEM_TYPE_STOLEN , "stolen system memory" },
 325         { NV_MEM_TYPE_SGRAM  , "SGRAM" },
 326         { NV_MEM_TYPE_SDRAM  , "SDRAM" },
 327         { NV_MEM_TYPE_DDR1   , "DDR1" },
 328         { NV_MEM_TYPE_DDR2   , "DDR2" },
 329         { NV_MEM_TYPE_DDR3   , "DDR3" },
 330         { NV_MEM_TYPE_GDDR2  , "GDDR2" },
 331         { NV_MEM_TYPE_GDDR3  , "GDDR3" },
 332         { NV_MEM_TYPE_GDDR4  , "GDDR4" },
 333         { NV_MEM_TYPE_GDDR5  , "GDDR5" },
 334         { NV_MEM_TYPE_UNKNOWN, "unknown type" }
 335 };
 336
 337 int
 338 nouveau_mem_vram_init(struct drm_device *dev)
 339 {
 340         struct drm_nouveau_private *dev_priv = dev->dev_private;
 341         struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
 342         const struct vram_types *vram_type;
 343         int ret, dma_bits;
 344
 345         dma_bits = 32;
 346         if (dev_priv->card_type >= NV_50) {
 347                 if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
 348                         dma_bits = 40;
 349         } else
 350         if (0 && pci_is_pcie(dev->pdev) &&
 351             dev_priv->chipset  > 0x40 &&
 352             dev_priv->chipset != 0x45) {
 353                 if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39)))
 354                         dma_bits = 39;
 355         }
 356
 357         ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
 358         if (ret)
 359                 return ret;
 360         ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits));
 361         if (ret) {
 362                 /* Reset to default value. */
 363                 pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32));
 364         }
 365
 366
 367         ret = nouveau_ttm_global_init(dev_priv);
 368         if (ret)
 369                 return ret;
 370
 371         ret = ttm_bo_device_init(&dev_priv->ttm.bdev,
 372                                  dev_priv->ttm.bo_global_ref.ref.object,
 373                                  &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET,
 374                                  dma_bits <= 32 ? true : false);
 375         if (ret) {
 376                 NV_ERROR(dev, "Error initialising bo driver: %d\n", ret);
 377                 return ret;
 378         }
 379
 380         vram_type = vram_type_map;
 381         while (vram_type->value != NV_MEM_TYPE_UNKNOWN) {
 382                 if (nouveau_vram_type) {
 383                         if (!strcasecmp(nouveau_vram_type, vram_type->name))
 384                                 break;
 385                         dev_priv->vram_type = vram_type->value;
 386                 } else {
 387                         if (vram_type->value == dev_priv->vram_type)
 388                                 break;
 389                 }
 390                 vram_type++;
 391         }
 392
 393         NV_INFO(dev, "Detected %dMiB VRAM (%s)\n",
 394                 (int)(dev_priv->vram_size >> 20), vram_type->name);
 395         if (dev_priv->vram_sys_base) {
 396                 NV_INFO(dev, "Stolen system memory at: 0x%010llx\n",
 397                         dev_priv->vram_sys_base);
 398         }
 399
 400         dev_priv->fb_available_size = dev_priv->vram_size;
 401         dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
 402         if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1))
 403                 dev_priv->fb_mappable_pages = pci_resource_len(dev->pdev, 1);
 404         dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
 405
 406         dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram;
 407         dev_priv->fb_aper_free = dev_priv->fb_available_size;
 408
 409         /* mappable vram */
 410         ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM,
 411                              dev_priv->fb_available_size >> PAGE_SHIFT);
 412         if (ret) {
 413                 NV_ERROR(dev, "Failed VRAM mm init: %d\n", ret);
 414                 return ret;
 415         }
 416
 417         if (dev_priv->card_type < NV_50) {
 418                 ret = nouveau_bo_new(dev, 256*1024, 0, TTM_PL_FLAG_VRAM,
 419                                      0, 0, &dev_priv->vga_ram);
 420                 if (ret == 0)
 421                         ret = nouveau_bo_pin(dev_priv->vga_ram,
 422                                              TTM_PL_FLAG_VRAM);
 423
 424                 if (ret) {
 425                         NV_WARN(dev, "failed to reserve VGA memory\n");
 426                         nouveau_bo_ref(NULL, &dev_priv->vga_ram);
 427                 }
 428         }
 429
 430         dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
 431                                          pci_resource_len(dev->pdev, 1),
 432                                          DRM_MTRR_WC);
 433         return 0;
 434 }
 435
 436 int
 437 nouveau_mem_gart_init(struct drm_device *dev)
 438 {
 439         struct drm_nouveau_private *dev_priv = dev->dev_private;
 440         struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
 441         int ret;
 442
 443         dev_priv->gart_info.type = NOUVEAU_GART_NONE;
 444
 445 #if !defined(__powerpc__) && !defined(__ia64__)
 446         if (drm_pci_device_is_agp(dev) && dev->agp && nouveau_agpmode) {
 447                 ret = nouveau_mem_init_agp(dev);
 448                 if (ret)
 449                         NV_ERROR(dev, "Error initialising AGP: %d\n", ret);
 450         }
 451 #endif
 452
 453         if (dev_priv->gart_info.type == NOUVEAU_GART_NONE) {
 454                 ret = nouveau_sgdma_init(dev);
 455                 if (ret) {
 456                         NV_ERROR(dev, "Error initialising PCI(E): %d\n", ret);
 457                         return ret;
 458                 }
 459         }
 460
 461         NV_INFO(dev, "%d MiB GART (aperture)\n",
 462                 (int)(dev_priv->gart_info.aper_size >> 20));
 463         dev_priv->gart_info.aper_free = dev_priv->gart_info.aper_size;
 464
 465         ret = ttm_bo_init_mm(bdev, TTM_PL_TT,
 466                              dev_priv->gart_info.aper_size >> PAGE_SHIFT);
 467         if (ret) {
 468                 NV_ERROR(dev, "Failed TT mm init: %d\n", ret);
 469                 return ret;
 470         }
 471
 472         return 0;
 473 }
 474
 475 static int
 476 nv40_mem_timing_calc(struct drm_device *dev, u32 freq,
 477                      struct nouveau_pm_tbl_entry *e, u8 len,
 478                      struct nouveau_pm_memtiming *boot,
 479                      struct nouveau_pm_memtiming *t)
 480 {
 481         t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC);
 482
 483         /* XXX: I don't trust the -1's and +1's... they must come
 484          *      from somewhere! */
 485         t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 |
 486                     1 << 16 |
 487                     (e->tWTR + 2 + (t->tCWL - 1)) << 8 |
 488                     (e->tCL + 2 - (t->tCWL - 1));
 489
 490         t->reg[2] = 0x20200000 |
 491                     ((t->tCWL - 1) << 24 |
 492                      e->tRRD << 16 |
 493                      e->tRCDWR << 8 |
 494                      e->tRCDRD);
 495
 496         NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x\n", t->id,
 497                  t->reg[0], t->reg[1], t->reg[2]);
 498         return 0;
 499 }
 500
 501 static int
 502 nv50_mem_timing_calc(struct drm_device *dev, u32 freq,
 503                      struct nouveau_pm_tbl_entry *e, u8 len,
 504                      struct nouveau_pm_memtiming *boot,
 505                      struct nouveau_pm_memtiming *t)
 506 {
 507         struct drm_nouveau_private *dev_priv = dev->dev_private;
 508         struct bit_entry P;
 509         uint8_t unk18 = 1, unk20 = 0, unk21 = 0, tmp7_3;
 510
 511         if (bit_table(dev, 'P', &P))
 512                 return -EINVAL;
 513
 514         switch (min(len, (u8) 22)) {
 515         case 22:
 516                 unk21 = e->tUNK_21;
 517         case 21:
 518                 unk20 = e->tUNK_20;
 519         case 20:
 520                 if (e->tCWL > 0)
 521                         t->tCWL = e->tCWL;
 522         case 19:
 523                 unk18 = e->tUNK_18;
 524                 break;
 525         }
 526
 527         t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC);
 528
 529         t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 |
 530                                 max(unk18, (u8) 1) << 16 |
 531                                 (e->tWTR + 2 + (t->tCWL - 1)) << 8;
 532
 533         t->reg[2] = ((t->tCWL - 1) << 24 |
 534                     e->tRRD << 16 |
 535                     e->tRCDWR << 8 |
 536                     e->tRCDRD);
 537
 538         t->reg[4] = e->tUNK_13 << 8  | e->tUNK_13;
 539
 540         t->reg[5] = (e->tRFC << 24 | max(e->tRCDRD, e->tRCDWR) << 16 | e->tRP);
 541
 542         t->reg[8] = boot->reg[8] & 0xffffff00;
 543
 544         if (P.version == 1) {
 545                 t->reg[1] |= (e->tCL + 2 - (t->tCWL - 1));
 546
 547                 t->reg[3] = (0x14 + e->tCL) << 24 |
 548                             0x16 << 16 |
 549                             (e->tCL - 1) << 8 |
 550                             (e->tCL - 1);
 551
 552                 t->reg[4] |= boot->reg[4] & 0xffff0000;
 553
 554                 t->reg[6] = (0x33 - t->tCWL) << 16 |
 555                             t->tCWL << 8 |
 556                             (0x2e + e->tCL - t->tCWL);
 557
 558                 t->reg[7] = 0x4000202 | (e->tCL - 1) << 16;
 559
 560                 /* XXX: P.version == 1 only has DDR2 and GDDR3? */
 561                 if (dev_priv->vram_type == NV_MEM_TYPE_DDR2) {
 562                         t->reg[5] |= (e->tCL + 3) << 8;
 563                         t->reg[6] |= (t->tCWL - 2) << 8;
 564                         t->reg[8] |= (e->tCL - 4);
 565                 } else {
 566                         t->reg[5] |= (e->tCL + 2) << 8;
 567                         t->reg[6] |= t->tCWL << 8;
 568                         t->reg[8] |= (e->tCL - 2);
 569                 }
 570         } else {
 571                 t->reg[1] |= (5 + e->tCL - (t->tCWL));
 572
 573                 /* XXX: 0xb? 0x30? */
 574                 t->reg[3] = (0x30 + e->tCL) << 24 |
 575                             (boot->reg[3] & 0x00ff0000)|
 576                             (0xb + e->tCL) << 8 |
 577                             (e->tCL - 1);
 578
 579                 t->reg[4] |= (unk20 << 24 | unk21 << 16);
 580
 581                 /* XXX: +6? */
 582                 t->reg[5] |= (t->tCWL + 6) << 8;
 583
 584                 t->reg[6] = (0x5a + e->tCL) << 16 |
 585                             (6 - e->tCL + t->tCWL) << 8 |
 586                             (0x50 + e->tCL - t->tCWL);
 587
 588                 tmp7_3 = (boot->reg[7] & 0xff000000) >> 24;
 589                 t->reg[7] = (tmp7_3 << 24) |
 590                             ((tmp7_3 - 6 + e->tCL) << 16) |
 591                             0x202;
 592         }
 593
 594         NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", t->id,
 595                  t->reg[0], t->reg[1], t->reg[2], t->reg[3]);
 596         NV_DEBUG(dev, "         230: %08x %08x %08x %08x\n",
 597                  t->reg[4], t->reg[5], t->reg[6], t->reg[7]);
 598         NV_DEBUG(dev, "         240: %08x\n", t->reg[8]);
 599         return 0;
 600 }
 601
 602 static int
 603 nvc0_mem_timing_calc(struct drm_device *dev, u32 freq,
 604                      struct nouveau_pm_tbl_entry *e, u8 len,
 605                      struct nouveau_pm_memtiming *boot,
 606                      struct nouveau_pm_memtiming *t)
 607 {
 608         if (e->tCWL > 0)
 609                 t->tCWL = e->tCWL;
 610
 611         t->reg[0] = (e->tRP << 24 | (e->tRAS & 0x7f) << 17 |
 612                      e->tRFC << 8 | e->tRC);
 613
 614         t->reg[1] = (boot->reg[1] & 0xff000000) |
 615                     (e->tRCDWR & 0x0f) << 20 |
 616                     (e->tRCDRD & 0x0f) << 14 |
 617                     (t->tCWL << 7) |
 618                     (e->tCL & 0x0f);
 619
 620         t->reg[2] = (boot->reg[2] & 0xff0000ff) |
 621                     e->tWR << 16 | e->tWTR << 8;
 622
 623         t->reg[3] = (e->tUNK_20 & 0x1f) << 9 |
 624                     (e->tUNK_21 & 0xf) << 5 |
 625                     (e->tUNK_13 & 0x1f);
 626
 627         t->reg[4] = (boot->reg[4] & 0xfff00fff) |
 628                     (e->tRRD&0x1f) << 15;
 629
 630         NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", t->id,
 631                  t->reg[0], t->reg[1], t->reg[2], t->reg[3]);
 632         NV_DEBUG(dev, "         2a0: %08x\n", t->reg[4]);
 633         return 0;
 634 }
 635
 636 /**
 637  * MR generation methods
 638  */
 639
 640 static int
 641 nouveau_mem_ddr2_mr(struct drm_device *dev, u32 freq,
 642                     struct nouveau_pm_tbl_entry *e, u8 len,
 643                     struct nouveau_pm_memtiming *boot,
 644                     struct nouveau_pm_memtiming *t)
 645 {
 646         t->drive_strength = 0;
 647         if (len < 15) {
 648                 t->odt = boot->odt;
 649         } else {
 650                 t->odt = e->RAM_FT1 & 0x07;
 651         }
 652
 653         if (e->tCL >= NV_MEM_CL_DDR2_MAX) {
 654                 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
 655                 return -ERANGE;
 656         }
 657
 658         if (e->tWR >= NV_MEM_WR_DDR2_MAX) {
 659                 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
 660                 return -ERANGE;
 661         }
 662
 663         if (t->odt > 3) {
 664                 NV_WARN(dev, "(%u) Invalid odt value, assuming disabled: %x",
 665                         t->id, t->odt);
 666                 t->odt = 0;
 667         }
 668
 669         t->mr[0] = (boot->mr[0] & 0x100f) |
 670                    (e->tCL) << 4 |
 671                    (e->tWR - 1) << 9;
 672         t->mr[1] = (boot->mr[1] & 0x101fbb) |
 673                    (t->odt & 0x1) << 2 |
 674                    (t->odt & 0x2) << 5;
 675
 676         NV_DEBUG(dev, "(%u) MR: %08x", t->id, t->mr[0]);
 677         return 0;
 678 }
 679
 680 uint8_t nv_mem_wr_lut_ddr3[NV_MEM_WR_DDR3_MAX] = {
 681         0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 0};
 682
 683 static int
 684 nouveau_mem_ddr3_mr(struct drm_device *dev, u32 freq,
 685                     struct nouveau_pm_tbl_entry *e, u8 len,
 686                     struct nouveau_pm_memtiming *boot,
 687                     struct nouveau_pm_memtiming *t)
 688 {
 689         u8 cl = e->tCL - 4;
 690
 691         t->drive_strength = 0;
 692         if (len < 15) {
 693                 t->odt = boot->odt;
 694         } else {
 695                 t->odt = e->RAM_FT1 & 0x07;
 696         }
 697
 698         if (e->tCL >= NV_MEM_CL_DDR3_MAX || e->tCL < 4) {
 699                 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
 700                 return -ERANGE;
 701         }
 702
 703         if (e->tWR >= NV_MEM_WR_DDR3_MAX || e->tWR < 4) {
 704                 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
 705                 return -ERANGE;
 706         }
 707
 708         if (e->tCWL < 5) {
 709                 NV_WARN(dev, "(%u) Invalid tCWL: %u", t->id, e->tCWL);
 710                 return -ERANGE;
 711         }
 712
 713         t->mr[0] = (boot->mr[0] & 0x180b) |
 714                    /* CAS */
 715                    (cl & 0x7) << 4 |
 716                    (cl & 0x8) >> 1 |
 717                    (nv_mem_wr_lut_ddr3[e->tWR]) << 9;
 718         t->mr[1] = (boot->mr[1] & 0x101dbb) |
 719                    (t->odt & 0x1) << 2 |
 720                    (t->odt & 0x2) << 5 |
 721                    (t->odt & 0x4) << 7;
 722         t->mr[2] = (boot->mr[2] & 0x20ffb7) | (e->tCWL - 5) << 3;
 723
 724         NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[2]);
 725         return 0;
 726 }
 727
 728 uint8_t nv_mem_cl_lut_gddr3[NV_MEM_CL_GDDR3_MAX] = {
 729         0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3, 8, 9, 10, 11};
 730 uint8_t nv_mem_wr_lut_gddr3[NV_MEM_WR_GDDR3_MAX] = {
 731         0, 0, 0, 0, 0, 2, 3, 8, 9, 10, 11, 0, 0, 1, 1, 0, 3};
 732
 733 static int
 734 nouveau_mem_gddr3_mr(struct drm_device *dev, u32 freq,
 735                      struct nouveau_pm_tbl_entry *e, u8 len,
 736                      struct nouveau_pm_memtiming *boot,
 737                      struct nouveau_pm_memtiming *t)
 738 {
 739         if (len < 15) {
 740                 t->drive_strength = boot->drive_strength;
 741                 t->odt = boot->odt;
 742         } else {
 743                 t->drive_strength = (e->RAM_FT1 & 0x30) >> 4;
 744                 t->odt = e->RAM_FT1 & 0x07;
 745         }
 746
 747         if (e->tCL >= NV_MEM_CL_GDDR3_MAX) {
 748                 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
 749                 return -ERANGE;
 750         }
 751
 752         if (e->tWR >= NV_MEM_WR_GDDR3_MAX) {
 753                 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
 754                 return -ERANGE;
 755         }
 756
 757         if (t->odt > 3) {
 758                 NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x",
 759                         t->id, t->odt);
 760                 t->odt = 0;
 761         }
 762
 763         t->mr[0] = (boot->mr[0] & 0xe0b) |
 764                    /* CAS */
 765                    ((nv_mem_cl_lut_gddr3[e->tCL] & 0x7) << 4) |
 766                    ((nv_mem_cl_lut_gddr3[e->tCL] & 0x8) >> 2);
 767         t->mr[1] = (boot->mr[1] & 0x100f40) | t->drive_strength |
 768                    (t->odt << 2) |
 769                    (nv_mem_wr_lut_gddr3[e->tWR] & 0xf) << 4;
 770         t->mr[2] = boot->mr[2];
 771
 772         NV_DEBUG(dev, "(%u) MR: %08x %08x %08x", t->id,
 773                       t->mr[0], t->mr[1], t->mr[2]);
 774         return 0;
 775 }
 776
 777 static int
 778 nouveau_mem_gddr5_mr(struct drm_device *dev, u32 freq,
 779                      struct nouveau_pm_tbl_entry *e, u8 len,
 780                      struct nouveau_pm_memtiming *boot,
 781                      struct nouveau_pm_memtiming *t)
 782 {
 783         if (len < 15) {
 784                 t->drive_strength = boot->drive_strength;
 785                 t->odt = boot->odt;
 786         } else {
 787                 t->drive_strength = (e->RAM_FT1 & 0x30) >> 4;
 788                 t->odt = e->RAM_FT1 & 0x03;
 789         }
 790
 791         if (e->tCL >= NV_MEM_CL_GDDR5_MAX) {
 792                 NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL);
 793                 return -ERANGE;
 794         }
 795
 796         if (e->tWR >= NV_MEM_WR_GDDR5_MAX) {
 797                 NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR);
 798                 return -ERANGE;
 799         }
 800
 801         if (t->odt > 3) {
 802                 NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x",
 803                         t->id, t->odt);
 804                 t->odt = 0;
 805         }
 806
 807         t->mr[0] = (boot->mr[0] & 0x007) |
 808                    ((e->tCL - 5) << 3) |
 809                    ((e->tWR - 4) << 8);
 810         t->mr[1] = (boot->mr[1] & 0x1007f0) |
 811                    t->drive_strength |
 812                    (t->odt << 2);
 813
 814         NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[1]);
 815         return 0;
 816 }
 817
 818 int
 819 nouveau_mem_timing_calc(struct drm_device *dev, u32 freq,
 820                         struct nouveau_pm_memtiming *t)
 821 {
 822         struct drm_nouveau_private *dev_priv = dev->dev_private;
 823         struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
 824         struct nouveau_pm_memtiming *boot = &pm->boot.timing;
 825         struct nouveau_pm_tbl_entry *e;
 826         u8 ver, len, *ptr, *ramcfg;
 827         int ret;
 828
 829         ptr = nouveau_perf_timing(dev, freq, &ver, &len);
 830         if (!ptr || ptr[0] == 0x00) {
 831                 *t = *boot;
 832                 return 0;
 833         }
 834         e = (struct nouveau_pm_tbl_entry *)ptr;
 835
 836         t->tCWL = boot->tCWL;
 837
 838         switch (dev_priv->card_type) {
 839         case NV_40:
 840                 ret = nv40_mem_timing_calc(dev, freq, e, len, boot, t);
 841                 break;
 842         case NV_50:
 843                 ret = nv50_mem_timing_calc(dev, freq, e, len, boot, t);
 844                 break;
 845         case NV_C0:
 846                 ret = nvc0_mem_timing_calc(dev, freq, e, len, boot, t);
 847                 break;
 848         default:
 849                 ret = -ENODEV;
 850                 break;
 851         }
 852
 853         switch (dev_priv->vram_type * !ret) {
 854         case NV_MEM_TYPE_GDDR3:
 855                 ret = nouveau_mem_gddr3_mr(dev, freq, e, len, boot, t);
 856                 break;
 857         case NV_MEM_TYPE_GDDR5:
 858                 ret = nouveau_mem_gddr5_mr(dev, freq, e, len, boot, t);
 859                 break;
 860         case NV_MEM_TYPE_DDR2:
 861                 ret = nouveau_mem_ddr2_mr(dev, freq, e, len, boot, t);
 862                 break;
 863         case NV_MEM_TYPE_DDR3:
 864                 ret = nouveau_mem_ddr3_mr(dev, freq, e, len, boot, t);
 865                 break;
 866         default:
 867                 ret = -EINVAL;
 868                 break;
 869         }
 870
 871         ramcfg = nouveau_perf_ramcfg(dev, freq, &ver, &len);
 872         if (ramcfg) {
 873                 int dll_off;
 874
 875                 if (ver == 0x00)
 876                         dll_off = !!(ramcfg[3] & 0x04);
 877                 else
 878                         dll_off = !!(ramcfg[2] & 0x40);
 879
 880                 switch (dev_priv->vram_type) {
 881                 case NV_MEM_TYPE_GDDR3:
 882                         t->mr[1] &= ~0x00000040;
 883                         t->mr[1] |=  0x00000040 * dll_off;
 884                         break;
 885                 default:
 886                         t->mr[1] &= ~0x00000001;
 887                         t->mr[1] |=  0x00000001 * dll_off;
 888                         break;
 889                 }
 890         }
 891
 892         return ret;
 893 }
 894
 895 void
 896 nouveau_mem_timing_read(struct drm_device *dev, struct nouveau_pm_memtiming *t)
 897 {
 898         struct drm_nouveau_private *dev_priv = dev->dev_private;
 899         u32 timing_base, timing_regs, mr_base;
 900         int i;
 901
 902         if (dev_priv->card_type >= 0xC0) {
 903                 timing_base = 0x10f290;
 904                 mr_base = 0x10f300;
 905         } else {
 906                 timing_base = 0x100220;
 907                 mr_base = 0x1002c0;
 908         }
 909
 910         t->id = -1;
 911
 912         switch (dev_priv->card_type) {
 913         case NV_50:
 914                 timing_regs = 9;
 915                 break;
 916         case NV_C0:
 917         case NV_D0:
 918                 timing_regs = 5;
 919                 break;
 920         case NV_30:
 921         case NV_40:
 922                 timing_regs = 3;
 923                 break;
 924         default:
 925                 timing_regs = 0;
 926                 return;
 927         }
 928         for(i = 0; i < timing_regs; i++)
 929                 t->reg[i] = nv_rd32(dev, timing_base + (0x04 * i));
 930
 931         t->tCWL = 0;
 932         if (dev_priv->card_type < NV_C0) {
 933                 t->tCWL = ((nv_rd32(dev, 0x100228) & 0x0f000000) >> 24) + 1;
 934         } else if (dev_priv->card_type <= NV_D0) {
 935                 t->tCWL = ((nv_rd32(dev, 0x10f294) & 0x00000f80) >> 7);
 936         }
 937
 938         t->mr[0] = nv_rd32(dev, mr_base);
 939         t->mr[1] = nv_rd32(dev, mr_base + 0x04);
 940         t->mr[2] = nv_rd32(dev, mr_base + 0x20);
 941         t->mr[3] = nv_rd32(dev, mr_base + 0x24);
 942
 943         t->odt = 0;
 944         t->drive_strength = 0;
 945
 946         switch (dev_priv->vram_type) {
 947         case NV_MEM_TYPE_DDR3:
 948                 t->odt |= (t->mr[1] & 0x200) >> 7;
 949         case NV_MEM_TYPE_DDR2:
 950                 t->odt |= (t->mr[1] & 0x04) >> 2 |
 951                           (t->mr[1] & 0x40) >> 5;
 952                 break;
 953         case NV_MEM_TYPE_GDDR3:
 954         case NV_MEM_TYPE_GDDR5:
 955                 t->drive_strength = t->mr[1] & 0x03;
 956                 t->odt = (t->mr[1] & 0x0c) >> 2;
 957                 break;
 958         default:
 959                 break;
 960         }
 961 }
 962
 963 int
 964 nouveau_mem_exec(struct nouveau_mem_exec_func *exec,
 965                  struct nouveau_pm_level *perflvl)
 966 {
 967         struct drm_nouveau_private *dev_priv = exec->dev->dev_private;
 968         struct nouveau_pm_memtiming *info = &perflvl->timing;
 969         u32 tMRD = 1000, tCKSRE = 0, tCKSRX = 0, tXS = 0, tDLLK = 0;
 970         u32 mr[3] = { info->mr[0], info->mr[1], info->mr[2] };
 971         u32 mr1_dlloff;
 972
 973         switch (dev_priv->vram_type) {
 974         case NV_MEM_TYPE_DDR2:
 975                 tDLLK = 2000;
 976                 mr1_dlloff = 0x00000001;
 977                 break;
 978         case NV_MEM_TYPE_DDR3:
 979                 tDLLK = 12000;
 980                 mr1_dlloff = 0x00000001;
 981                 break;
 982         case NV_MEM_TYPE_GDDR3:
 983                 tDLLK = 40000;
 984                 mr1_dlloff = 0x00000040;
 985                 break;
 986         default:
 987                 NV_ERROR(exec->dev, "cannot reclock unsupported memtype\n");
 988                 return -ENODEV;
 989         }
 990
 991         /* fetch current MRs */
 992         switch (dev_priv->vram_type) {
 993         case NV_MEM_TYPE_GDDR3:
 994         case NV_MEM_TYPE_DDR3:
 995                 mr[2] = exec->mrg(exec, 2);
 996         default:
 997                 mr[1] = exec->mrg(exec, 1);
 998                 mr[0] = exec->mrg(exec, 0);
 999                 break;
1000         }
1001
1002         /* DLL 'on' -> DLL 'off' mode, disable before entering self-refresh  */
1003         if (!(mr[1] & mr1_dlloff) && (info->mr[1] & mr1_dlloff)) {
1004                 exec->precharge(exec);
1005                 exec->mrs (exec, 1, mr[1] | mr1_dlloff);
1006                 exec->wait(exec, tMRD);
1007         }
1008
1009         /* enter self-refresh mode */
1010         exec->precharge(exec);
1011         exec->refresh(exec);
1012         exec->refresh(exec);
1013         exec->refresh_auto(exec, false);
1014         exec->refresh_self(exec, true);
1015         exec->wait(exec, tCKSRE);
1016
1017         /* modify input clock frequency */
1018         exec->clock_set(exec);
1019
1020         /* exit self-refresh mode */
1021         exec->wait(exec, tCKSRX);
1022         exec->precharge(exec);
1023         exec->refresh_self(exec, false);
1024         exec->refresh_auto(exec, true);
1025         exec->wait(exec, tXS);
1026
1027         /* update MRs */
1028         if (mr[2] != info->mr[2]) {
1029                 exec->mrs (exec, 2, info->mr[2]);
1030                 exec->wait(exec, tMRD);
1031         }
1032
1033         if (mr[1] != info->mr[1]) {
1034                 /* need to keep DLL off until later, at least on GDDR3 */
1035                 exec->mrs (exec, 1, info->mr[1] | (mr[1] & mr1_dlloff));
1036                 exec->wait(exec, tMRD);
1037         }
1038
1039         if (mr[0] != info->mr[0]) {
1040                 exec->mrs (exec, 0, info->mr[0]);
1041                 exec->wait(exec, tMRD);
1042         }
1043
1044         /* update PFB timing registers */
1045         exec->timing_set(exec);
1046
1047         /* DLL (enable + ) reset */
1048         if (!(info->mr[1] & mr1_dlloff)) {
1049                 if (mr[1] & mr1_dlloff) {
1050                         exec->mrs (exec, 1, info->mr[1]);
1051                         exec->wait(exec, tMRD);
1052                 }
1053                 exec->mrs (exec, 0, info->mr[0] | 0x00000100);
1054                 exec->wait(exec, tMRD);
1055                 exec->mrs (exec, 0, info->mr[0] | 0x00000000);
1056                 exec->wait(exec, tMRD);
1057                 exec->wait(exec, tDLLK);
1058                 if (dev_priv->vram_type == NV_MEM_TYPE_GDDR3)
1059                         exec->precharge(exec);
1060         }
1061
1062         return 0;
1063 }
1064
1065 int
1066 nouveau_mem_vbios_type(struct drm_device *dev)
1067 {
1068         struct bit_entry M;
1069         u8 ramcfg = (nv_rd32(dev, 0x101000) & 0x0000003c) >> 2;
1070         if (!bit_table(dev, 'M', &M) || M.version != 2 || M.length < 5) {
1071                 u8 *table = ROMPTR(dev, M.data[3]);
1072                 if (table && table[0] == 0x10 && ramcfg < table[3]) {
1073                         u8 *entry = table + table[1] + (ramcfg * table[2]);
1074                         switch (entry[0] & 0x0f) {
1075                         case 0: return NV_MEM_TYPE_DDR2;
1076                         case 1: return NV_MEM_TYPE_DDR3;
1077                         case 2: return NV_MEM_TYPE_GDDR3;
1078                         case 3: return NV_MEM_TYPE_GDDR5;
1079                         default:
1080                                 break;
1081                         }
1082
1083                 }
1084         }
1085         return NV_MEM_TYPE_UNKNOWN;
1086 }
1087
1088 static int
1089 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
1090 {
1091         /* nothing to do */
1092         return 0;
1093 }
1094
1095 static int
1096 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man)
1097 {
1098         /* nothing to do */
1099         return 0;
1100 }
1101
1102 static inline void
1103 nouveau_mem_node_cleanup(struct nouveau_mem *node)
1104 {
1105         if (node->vma[0].node) {
1106                 nouveau_vm_unmap(&node->vma[0]);
1107                 nouveau_vm_put(&node->vma[0]);
1108         }
1109
1110         if (node->vma[1].node) {
1111                 nouveau_vm_unmap(&node->vma[1]);
1112                 nouveau_vm_put(&node->vma[1]);
1113         }
1114 }
1115
1116 static void
1117 nouveau_vram_manager_del(struct ttm_mem_type_manager *man,
1118                          struct ttm_mem_reg *mem)
1119 {
1120         struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
1121         struct nouveau_vram_engine *vram = &dev_priv->engine.vram;
1122         struct drm_device *dev = dev_priv->dev;
1123
1124         nouveau_mem_node_cleanup(mem->mm_node);
1125         vram->put(dev, (struct nouveau_mem **)&mem->mm_node);
1126 }
1127
1128 static int
1129 nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
1130                          struct ttm_buffer_object *bo,
1131                          struct ttm_placement *placement,
1132                          struct ttm_mem_reg *mem)
1133 {
1134         struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev);
1135         struct nouveau_vram_engine *vram = &dev_priv->engine.vram;
1136         struct drm_device *dev = dev_priv->dev;
1137         struct nouveau_bo *nvbo = nouveau_bo(bo);
1138         struct nouveau_mem *node;
1139         u32 size_nc = 0;
1140         int ret;
1141
1142         if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG)
1143                 size_nc = 1 << nvbo->page_shift;
1144
1145         ret = vram->get(dev, mem->num_pages << PAGE_SHIFT,
1146                         mem->page_alignment << PAGE_SHIFT, size_nc,
1147                         (nvbo->tile_flags >> 8) & 0x3ff, &node);
1148         if (ret) {
1149                 mem->mm_node = NULL;
1150                 return (ret == -ENOSPC) ? 0 : ret;
1151         }
1152
1153         node->page_shift = nvbo->page_shift;
1154
1155         mem->mm_node = node;
1156         mem->start   = node->offset >> PAGE_SHIFT;
1157         return 0;
1158 }
1159
1160 void
1161 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
1162 {
1163         struct nouveau_mm *mm = man->priv;
1164         struct nouveau_mm_node *r;
1165         u32 total = 0, free = 0;
1166
1167         mutex_lock(&mm->mutex);
1168         list_for_each_entry(r, &mm->nodes, nl_entry) {
1169                 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n",
1170                        prefix, r->type, ((u64)r->offset << 12),
1171                        (((u64)r->offset + r->length) << 12));
1172
1173                 total += r->length;
1174                 if (!r->type)
1175                         free += r->length;
1176         }
1177         mutex_unlock(&mm->mutex);
1178
1179         printk(KERN_DEBUG "%s  total: 0x%010llx free: 0x%010llx\n",
1180                prefix, (u64)total << 12, (u64)free << 12);
1181         printk(KERN_DEBUG "%s  block: 0x%08x\n",
1182                prefix, mm->block_size << 12);
1183 }
1184
1185 const struct ttm_mem_type_manager_func nouveau_vram_manager = {
1186         nouveau_vram_manager_init,
1187         nouveau_vram_manager_fini,
1188         nouveau_vram_manager_new,
1189         nouveau_vram_manager_del,
1190         nouveau_vram_manager_debug
1191 };
1192
1193 static int
1194 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
1195 {
1196         return 0;
1197 }
1198
1199 static int
1200 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man)
1201 {
1202         return 0;
1203 }
1204
1205 static void
1206 nouveau_gart_manager_del(struct ttm_mem_type_manager *man,
1207                          struct ttm_mem_reg *mem)
1208 {
1209         nouveau_mem_node_cleanup(mem->mm_node);
1210         kfree(mem->mm_node);
1211         mem->mm_node = NULL;
1212 }
1213
1214 static int
1215 nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
1216                          struct ttm_buffer_object *bo,
1217                          struct ttm_placement *placement,
1218                          struct ttm_mem_reg *mem)
1219 {
1220         struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
1221         struct nouveau_mem *node;
1222
1223         if (unlikely((mem->num_pages << PAGE_SHIFT) >=
1224                      dev_priv->gart_info.aper_size))
1225                 return -ENOMEM;
1226
1227         node = kzalloc(sizeof(*node), GFP_KERNEL);
1228         if (!node)
1229                 return -ENOMEM;
1230         node->page_shift = 12;
1231
1232         mem->mm_node = node;
1233         mem->start   = 0;
1234         return 0;
1235 }
1236
1237 void
1238 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
1239 {
1240 }
1241
1242 const struct ttm_mem_type_manager_func nouveau_gart_manager = {
1243         nouveau_gart_manager_init,
1244         nouveau_gart_manager_fini,
1245         nouveau_gart_manager_new,
1246         nouveau_gart_manager_del,
1247         nouveau_gart_manager_debug
1248 };