diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 956 |
1 files changed, 319 insertions, 637 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index b08065f..5ee14d2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -26,8 +26,7 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Ben Skeggs <bskeggs@redhat.com> - * Roy Spliet <r.spliet@student.tudelft.nl> + * Keith Whitwell <keith@tungstengraphics.com> */ @@ -193,6 +192,75 @@ nouveau_mem_gart_fini(struct drm_device *dev) } } +static uint32_t +nouveau_mem_detect_nv04(struct drm_device *dev) +{ + uint32_t boot0 = nv_rd32(dev, NV04_PFB_BOOT_0); + + if (boot0 & 0x00000100) + return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024; + + switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) { + case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB: + return 32 * 1024 * 1024; + case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB: + return 16 * 1024 * 1024; + case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB: + return 8 * 1024 * 1024; + case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB: + return 4 * 1024 * 1024; + } + + return 0; +} + +static uint32_t +nouveau_mem_detect_nforce(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct pci_dev *bridge; + uint32_t mem; + + bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1)); + if (!bridge) { + NV_ERROR(dev, "no bridge device\n"); + return 0; + } + + if (dev_priv->flags & NV_NFORCE) { + pci_read_config_dword(bridge, 0x7C, &mem); + return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024; + } else + if (dev_priv->flags & NV_NFORCE2) { + pci_read_config_dword(bridge, 0x84, &mem); + return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024; + } + + NV_ERROR(dev, "impossible!\n"); + return 0; +} + +int +nouveau_mem_detect(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->card_type == NV_04) { + dev_priv->vram_size = nouveau_mem_detect_nv04(dev); + } else + if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) { + dev_priv->vram_size = nouveau_mem_detect_nforce(dev); + } else + if (dev_priv->card_type < NV_50) { + dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA); + dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK; + } + + if (dev_priv->vram_size) + return 0; + return -ENOMEM; +} + bool nouveau_mem_flags_valid(struct drm_device *dev, u32 tile_flags) { @@ -317,29 +385,11 @@ nouveau_mem_init_agp(struct drm_device *dev) return 0; } -static const struct vram_types { - int value; - const char *name; -} vram_type_map[] = { - { NV_MEM_TYPE_STOLEN , "stolen system memory" }, - { NV_MEM_TYPE_SGRAM , "SGRAM" }, - { NV_MEM_TYPE_SDRAM , "SDRAM" }, - { NV_MEM_TYPE_DDR1 , "DDR1" }, - { NV_MEM_TYPE_DDR2 , "DDR2" }, - { NV_MEM_TYPE_DDR3 , "DDR3" }, - { NV_MEM_TYPE_GDDR2 , "GDDR2" }, - { NV_MEM_TYPE_GDDR3 , "GDDR3" }, - { NV_MEM_TYPE_GDDR4 , "GDDR4" }, - { NV_MEM_TYPE_GDDR5 , "GDDR5" }, - { NV_MEM_TYPE_UNKNOWN, "unknown type" } -}; - int nouveau_mem_vram_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct ttm_bo_device *bdev = &dev_priv->ttm.bdev; - const struct vram_types *vram_type; int ret, dma_bits; dma_bits = 32; @@ -347,7 +397,7 @@ nouveau_mem_vram_init(struct drm_device *dev) if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40))) dma_bits = 40; } else - if (0 && pci_is_pcie(dev->pdev) && + if (0 && drm_pci_device_is_pcie(dev) && dev_priv->chipset > 0x40 && dev_priv->chipset != 0x45) { if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39))) @@ -357,12 +407,8 @@ nouveau_mem_vram_init(struct drm_device *dev) ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits)); if (ret) return ret; - ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits)); - if (ret) { - /* Reset to default value. */ - pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32)); - } + dev_priv->fb_phys = pci_resource_start(dev->pdev, 1); ret = nouveau_ttm_global_init(dev_priv); if (ret) @@ -377,21 +423,39 @@ nouveau_mem_vram_init(struct drm_device *dev) return ret; } - vram_type = vram_type_map; - while (vram_type->value != NV_MEM_TYPE_UNKNOWN) { - if (nouveau_vram_type) { - if (!strcasecmp(nouveau_vram_type, vram_type->name)) - break; - dev_priv->vram_type = vram_type->value; - } else { - if (vram_type->value == dev_priv->vram_type) - break; - } - vram_type++; + /* reserve space at end of VRAM for PRAMIN */ + if (dev_priv->card_type >= NV_50) { + dev_priv->ramin_rsvd_vram = 1 * 1024 * 1024; + } else + if (dev_priv->card_type >= NV_40) { + u32 vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8); + u32 rsvd; + + /* estimate grctx size, the magics come from nv40_grctx.c */ + if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs; + else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs; + else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs; + else rsvd = 0x4a40 * vs; + rsvd += 16 * 1024; + rsvd *= dev_priv->engine.fifo.channels; + + /* pciegart table */ + if (drm_pci_device_is_pcie(dev)) + rsvd += 512 * 1024; + + /* object storage */ + rsvd += 512 * 1024; + + dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096); + } else { + dev_priv->ramin_rsvd_vram = 512 * 1024; } - NV_INFO(dev, "Detected %dMiB VRAM (%s)\n", - (int)(dev_priv->vram_size >> 20), vram_type->name); + ret = dev_priv->engine.vram.init(dev); + if (ret) + return ret; + + NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20)); if (dev_priv->vram_sys_base) { NV_INFO(dev, "Stolen system memory at: 0x%010llx\n", dev_priv->vram_sys_base); @@ -415,7 +479,7 @@ nouveau_mem_vram_init(struct drm_device *dev) } if (dev_priv->card_type < NV_50) { - ret = nouveau_bo_new(dev, 256*1024, 0, TTM_PL_FLAG_VRAM, + ret = nouveau_bo_new(dev, NULL, 256*1024, 0, TTM_PL_FLAG_VRAM, 0, 0, &dev_priv->vga_ram); if (ret == 0) ret = nouveau_bo_pin(dev_priv->vga_ram, @@ -472,645 +536,230 @@ nouveau_mem_gart_init(struct drm_device *dev) return 0; } -static int -nv40_mem_timing_calc(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) -{ - t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC); - - /* XXX: I don't trust the -1's and +1's... they must come - * from somewhere! */ - t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 | - 1 << 16 | - (e->tWTR + 2 + (t->tCWL - 1)) << 8 | - (e->tCL + 2 - (t->tCWL - 1)); - - t->reg[2] = 0x20200000 | - ((t->tCWL - 1) << 24 | - e->tRRD << 16 | - e->tRCDWR << 8 | - e->tRCDRD); - - NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x\n", t->id, - t->reg[0], t->reg[1], t->reg[2]); - return 0; -} - -static int -nv50_mem_timing_calc(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) +void +nouveau_mem_timing_init(struct drm_device *dev) { + /* cards < NVC0 only */ struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_pm_engine *pm = &dev_priv->engine.pm; + struct nouveau_pm_memtimings *memtimings = &pm->memtimings; + struct nvbios *bios = &dev_priv->vbios; struct bit_entry P; - uint8_t unk18 = 1, unk20 = 0, unk21 = 0, tmp7_3; - - if (bit_table(dev, 'P', &P)) - return -EINVAL; - - switch (min(len, (u8) 22)) { - case 22: - unk21 = e->tUNK_21; - case 21: - unk20 = e->tUNK_20; - case 20: - if (e->tCWL > 0) - t->tCWL = e->tCWL; - case 19: - unk18 = e->tUNK_18; - break; - } - - t->reg[0] = (e->tRP << 24 | e->tRAS << 16 | e->tRFC << 8 | e->tRC); - - t->reg[1] = (e->tWR + 2 + (t->tCWL - 1)) << 24 | - max(unk18, (u8) 1) << 16 | - (e->tWTR + 2 + (t->tCWL - 1)) << 8; - - t->reg[2] = ((t->tCWL - 1) << 24 | - e->tRRD << 16 | - e->tRCDWR << 8 | - e->tRCDRD); - - t->reg[4] = e->tUNK_13 << 8 | e->tUNK_13; - - t->reg[5] = (e->tRFC << 24 | max(e->tRCDRD, e->tRCDWR) << 16 | e->tRP); - - t->reg[8] = boot->reg[8] & 0xffffff00; - - if (P.version == 1) { - t->reg[1] |= (e->tCL + 2 - (t->tCWL - 1)); - - t->reg[3] = (0x14 + e->tCL) << 24 | - 0x16 << 16 | - (e->tCL - 1) << 8 | - (e->tCL - 1); - - t->reg[4] |= boot->reg[4] & 0xffff0000; - - t->reg[6] = (0x33 - t->tCWL) << 16 | - t->tCWL << 8 | - (0x2e + e->tCL - t->tCWL); - - t->reg[7] = 0x4000202 | (e->tCL - 1) << 16; - - /* XXX: P.version == 1 only has DDR2 and GDDR3? */ - if (dev_priv->vram_type == NV_MEM_TYPE_DDR2) { - t->reg[5] |= (e->tCL + 3) << 8; - t->reg[6] |= (t->tCWL - 2) << 8; - t->reg[8] |= (e->tCL - 4); - } else { - t->reg[5] |= (e->tCL + 2) << 8; - t->reg[6] |= t->tCWL << 8; - t->reg[8] |= (e->tCL - 2); + u8 tUNK_0, tUNK_1, tUNK_2; + u8 tRP; /* Byte 3 */ + u8 tRAS; /* Byte 5 */ + u8 tRFC; /* Byte 7 */ + u8 tRC; /* Byte 9 */ + u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14; + u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21; + u8 magic_number = 0; /* Yeah... sorry*/ + u8 *mem = NULL, *entry; + int i, recordlen, entries; + + if (bios->type == NVBIOS_BIT) { + if (bit_table(dev, 'P', &P)) + return; + + if (P.version == 1) + mem = ROMPTR(bios, P.data[4]); + else + if (P.version == 2) + mem = ROMPTR(bios, P.data[8]); + else { + NV_WARN(dev, "unknown mem for BIT P %d\n", P.version); } } else { - t->reg[1] |= (5 + e->tCL - (t->tCWL)); - - /* XXX: 0xb? 0x30? */ - t->reg[3] = (0x30 + e->tCL) << 24 | - (boot->reg[3] & 0x00ff0000)| - (0xb + e->tCL) << 8 | - (e->tCL - 1); - - t->reg[4] |= (unk20 << 24 | unk21 << 16); - - /* XXX: +6? */ - t->reg[5] |= (t->tCWL + 6) << 8; - - t->reg[6] = (0x5a + e->tCL) << 16 | - (6 - e->tCL + t->tCWL) << 8 | - (0x50 + e->tCL - t->tCWL); - - tmp7_3 = (boot->reg[7] & 0xff000000) >> 24; - t->reg[7] = (tmp7_3 << 24) | - ((tmp7_3 - 6 + e->tCL) << 16) | - 0x202; - } - - NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", t->id, - t->reg[0], t->reg[1], t->reg[2], t->reg[3]); - NV_DEBUG(dev, " 230: %08x %08x %08x %08x\n", - t->reg[4], t->reg[5], t->reg[6], t->reg[7]); - NV_DEBUG(dev, " 240: %08x\n", t->reg[8]); - return 0; -} - -static int -nvc0_mem_timing_calc(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) -{ - if (e->tCWL > 0) - t->tCWL = e->tCWL; - - t->reg[0] = (e->tRP << 24 | (e->tRAS & 0x7f) << 17 | - e->tRFC << 8 | e->tRC); - - t->reg[1] = (boot->reg[1] & 0xff000000) | - (e->tRCDWR & 0x0f) << 20 | - (e->tRCDRD & 0x0f) << 14 | - (t->tCWL << 7) | - (e->tCL & 0x0f); - - t->reg[2] = (boot->reg[2] & 0xff0000ff) | - e->tWR << 16 | e->tWTR << 8; - - t->reg[3] = (e->tUNK_20 & 0x1f) << 9 | - (e->tUNK_21 & 0xf) << 5 | - (e->tUNK_13 & 0x1f); - - t->reg[4] = (boot->reg[4] & 0xfff00fff) | - (e->tRRD&0x1f) << 15; - - NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", t->id, - t->reg[0], t->reg[1], t->reg[2], t->reg[3]); - NV_DEBUG(dev, " 2a0: %08x\n", t->reg[4]); - return 0; -} - -/** - * MR generation methods - */ - -static int -nouveau_mem_ddr2_mr(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) -{ - t->drive_strength = 0; - if (len < 15) { - t->odt = boot->odt; - } else { - t->odt = e->RAM_FT1 & 0x07; - } - - if (e->tCL >= NV_MEM_CL_DDR2_MAX) { - NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL); - return -ERANGE; - } - - if (e->tWR >= NV_MEM_WR_DDR2_MAX) { - NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR); - return -ERANGE; - } - - if (t->odt > 3) { - NV_WARN(dev, "(%u) Invalid odt value, assuming disabled: %x", - t->id, t->odt); - t->odt = 0; - } - - t->mr[0] = (boot->mr[0] & 0x100f) | - (e->tCL) << 4 | - (e->tWR - 1) << 9; - t->mr[1] = (boot->mr[1] & 0x101fbb) | - (t->odt & 0x1) << 2 | - (t->odt & 0x2) << 5; - - NV_DEBUG(dev, "(%u) MR: %08x", t->id, t->mr[0]); - return 0; -} - -uint8_t nv_mem_wr_lut_ddr3[NV_MEM_WR_DDR3_MAX] = { - 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 6, 6, 7, 7, 0, 0}; - -static int -nouveau_mem_ddr3_mr(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) -{ - u8 cl = e->tCL - 4; - - t->drive_strength = 0; - if (len < 15) { - t->odt = boot->odt; - } else { - t->odt = e->RAM_FT1 & 0x07; - } - - if (e->tCL >= NV_MEM_CL_DDR3_MAX || e->tCL < 4) { - NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL); - return -ERANGE; - } - - if (e->tWR >= NV_MEM_WR_DDR3_MAX || e->tWR < 4) { - NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR); - return -ERANGE; - } - - if (e->tCWL < 5) { - NV_WARN(dev, "(%u) Invalid tCWL: %u", t->id, e->tCWL); - return -ERANGE; - } - - t->mr[0] = (boot->mr[0] & 0x180b) | - /* CAS */ - (cl & 0x7) << 4 | - (cl & 0x8) >> 1 | - (nv_mem_wr_lut_ddr3[e->tWR]) << 9; - t->mr[1] = (boot->mr[1] & 0x101dbb) | - (t->odt & 0x1) << 2 | - (t->odt & 0x2) << 5 | - (t->odt & 0x4) << 7; - t->mr[2] = (boot->mr[2] & 0x20ffb7) | (e->tCWL - 5) << 3; - - NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[2]); - return 0; -} - -uint8_t nv_mem_cl_lut_gddr3[NV_MEM_CL_GDDR3_MAX] = { - 0, 0, 0, 0, 4, 5, 6, 7, 0, 1, 2, 3, 8, 9, 10, 11}; -uint8_t nv_mem_wr_lut_gddr3[NV_MEM_WR_GDDR3_MAX] = { - 0, 0, 0, 0, 0, 2, 3, 8, 9, 10, 11, 0, 0, 1, 1, 0, 3}; - -static int -nouveau_mem_gddr3_mr(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) -{ - if (len < 15) { - t->drive_strength = boot->drive_strength; - t->odt = boot->odt; - } else { - t->drive_strength = (e->RAM_FT1 & 0x30) >> 4; - t->odt = e->RAM_FT1 & 0x07; + NV_DEBUG(dev, "BMP version too old for memory\n"); + return; } - if (e->tCL >= NV_MEM_CL_GDDR3_MAX) { - NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL); - return -ERANGE; + if (!mem) { + NV_DEBUG(dev, "memory timing table pointer invalid\n"); + return; } - if (e->tWR >= NV_MEM_WR_GDDR3_MAX) { - NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR); - return -ERANGE; + if (mem[0] != 0x10) { + NV_WARN(dev, "memory timing table 0x%02x unknown\n", mem[0]); + return; } - if (t->odt > 3) { - NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x", - t->id, t->odt); - t->odt = 0; + /* validate record length */ + entries = mem[2]; + recordlen = mem[3]; + if (recordlen < 15) { + NV_ERROR(dev, "mem timing table length unknown: %d\n", mem[3]); + return; } - t->mr[0] = (boot->mr[0] & 0xe0b) | - /* CAS */ - ((nv_mem_cl_lut_gddr3[e->tCL] & 0x7) << 4) | - ((nv_mem_cl_lut_gddr3[e->tCL] & 0x8) >> 2); - t->mr[1] = (boot->mr[1] & 0x100f40) | t->drive_strength | - (t->odt << 2) | - (nv_mem_wr_lut_gddr3[e->tWR] & 0xf) << 4; - t->mr[2] = boot->mr[2]; - - NV_DEBUG(dev, "(%u) MR: %08x %08x %08x", t->id, - t->mr[0], t->mr[1], t->mr[2]); - return 0; -} - -static int -nouveau_mem_gddr5_mr(struct drm_device *dev, u32 freq, - struct nouveau_pm_tbl_entry *e, u8 len, - struct nouveau_pm_memtiming *boot, - struct nouveau_pm_memtiming *t) -{ - if (len < 15) { - t->drive_strength = boot->drive_strength; - t->odt = boot->odt; - } else { - t->drive_strength = (e->RAM_FT1 & 0x30) >> 4; - t->odt = e->RAM_FT1 & 0x03; - } + /* parse vbios entries into common format */ + memtimings->timing = + kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL); + if (!memtimings->timing) + return; - if (e->tCL >= NV_MEM_CL_GDDR5_MAX) { - NV_WARN(dev, "(%u) Invalid tCL: %u", t->id, e->tCL); - return -ERANGE; + /* Get "some number" from the timing reg for NV_40 and NV_50 + * Used in calculations later */ + if (dev_priv->card_type >= NV_40 && dev_priv->chipset < 0x98) { + magic_number = (nv_rd32(dev, 0x100228) & 0x0f000000) >> 24; } - if (e->tWR >= NV_MEM_WR_GDDR5_MAX) { - NV_WARN(dev, "(%u) Invalid tWR: %u", t->id, e->tWR); - return -ERANGE; - } + entry = mem + mem[1]; + for (i = 0; i < entries; i++, entry += recordlen) { + struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i]; + if (entry[0] == 0) + continue; - if (t->odt > 3) { - NV_WARN(dev, "(%u) Invalid odt value, assuming autocal: %x", - t->id, t->odt); - t->odt = 0; - } + tUNK_18 = 1; + tUNK_19 = 1; + tUNK_20 = 0; + tUNK_21 = 0; + switch (min(recordlen, 22)) { + case 22: + tUNK_21 = entry[21]; + case 21: + tUNK_20 = entry[20]; + case 20: + tUNK_19 = entry[19]; + case 19: + tUNK_18 = entry[18]; + default: + tUNK_0 = entry[0]; + tUNK_1 = entry[1]; + tUNK_2 = entry[2]; + tRP = entry[3]; + tRAS = entry[5]; + tRFC = entry[7]; + tRC = entry[9]; + tUNK_10 = entry[10]; + tUNK_11 = entry[11]; + tUNK_12 = entry[12]; + tUNK_13 = entry[13]; + tUNK_14 = entry[14]; + break; + } - t->mr[0] = (boot->mr[0] & 0x007) | - ((e->tCL - 5) << 3) | - ((e->tWR - 4) << 8); - t->mr[1] = (boot->mr[1] & 0x1007f0) | - t->drive_strength | - (t->odt << 2); + timing->reg_100220 = (tRC << 24 | tRFC << 16 | tRAS << 8 | tRP); - NV_DEBUG(dev, "(%u) MR: %08x %08x", t->id, t->mr[0], t->mr[1]); - return 0; -} + /* XXX: I don't trust the -1's and +1's... they must come + * from somewhere! */ + timing->reg_100224 = (tUNK_0 + tUNK_19 + 1 + magic_number) << 24 | + max(tUNK_18, (u8) 1) << 16 | + (tUNK_1 + tUNK_19 + 1 + magic_number) << 8; + if (dev_priv->chipset == 0xa8) { + timing->reg_100224 |= (tUNK_2 - 1); + } else { + timing->reg_100224 |= (tUNK_2 + 2 - magic_number); + } -int -nouveau_mem_timing_calc(struct drm_device *dev, u32 freq, - struct nouveau_pm_memtiming *t) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_pm_engine *pm = &dev_priv->engine.pm; - struct nouveau_pm_memtiming *boot = &pm->boot.timing; - struct nouveau_pm_tbl_entry *e; - u8 ver, len, *ptr, *ramcfg; - int ret; + timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10); + if (dev_priv->chipset >= 0xa3 && dev_priv->chipset < 0xaa) + timing->reg_100228 |= (tUNK_19 - 1) << 24; + else + timing->reg_100228 |= magic_number << 24; + + if (dev_priv->card_type == NV_40) { + /* NV40: don't know what the rest of the regs are.. + * And don't need to know either */ + timing->reg_100228 |= 0x20200000; + } else if (dev_priv->card_type >= NV_50) { + if (dev_priv->chipset < 0x98 || + (dev_priv->chipset == 0x98 && + dev_priv->stepping <= 0xa1)) { + timing->reg_10022c = (0x14 + tUNK_2) << 24 | + 0x16 << 16 | + (tUNK_2 - 1) << 8 | + (tUNK_2 - 1); + } else { + /* XXX: reg_10022c for recentish cards */ + timing->reg_10022c = tUNK_2 - 1; + } - ptr = nouveau_perf_timing(dev, freq, &ver, &len); - if (!ptr || ptr[0] == 0x00) { - *t = *boot; - return 0; - } - e = (struct nouveau_pm_tbl_entry *)ptr; - - t->tCWL = boot->tCWL; - - switch (dev_priv->card_type) { - case NV_40: - ret = nv40_mem_timing_calc(dev, freq, e, len, boot, t); - break; - case NV_50: - ret = nv50_mem_timing_calc(dev, freq, e, len, boot, t); - break; - case NV_C0: - ret = nvc0_mem_timing_calc(dev, freq, e, len, boot, t); - break; - default: - ret = -ENODEV; - break; - } + timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 | + tUNK_13 << 8 | tUNK_13); - switch (dev_priv->vram_type * !ret) { - case NV_MEM_TYPE_GDDR3: - ret = nouveau_mem_gddr3_mr(dev, freq, e, len, boot, t); - break; - case NV_MEM_TYPE_GDDR5: - ret = nouveau_mem_gddr5_mr(dev, freq, e, len, boot, t); - break; - case NV_MEM_TYPE_DDR2: - ret = nouveau_mem_ddr2_mr(dev, freq, e, len, boot, t); - break; - case NV_MEM_TYPE_DDR3: - ret = nouveau_mem_ddr3_mr(dev, freq, e, len, boot, t); - break; - default: - ret = -EINVAL; - break; - } + timing->reg_100234 = (tRAS << 24 | tRC); + timing->reg_100234 += max(tUNK_10, tUNK_11) << 16; - ramcfg = nouveau_perf_ramcfg(dev, freq, &ver, &len); - if (ramcfg) { - int dll_off; + if (dev_priv->chipset < 0x98 || + (dev_priv->chipset == 0x98 && + dev_priv->stepping <= 0xa1)) { + timing->reg_100234 |= (tUNK_2 + 2) << 8; + } else { + /* XXX: +6? */ + timing->reg_100234 |= (tUNK_19 + 6) << 8; + } - if (ver == 0x00) - dll_off = !!(ramcfg[3] & 0x04); - else - dll_off = !!(ramcfg[2] & 0x40); + /* XXX; reg_100238 + * reg_100238: 0x00?????? */ + timing->reg_10023c = 0x202; + if (dev_priv->chipset < 0x98 || + (dev_priv->chipset == 0x98 && + dev_priv->stepping <= 0xa1)) { + timing->reg_10023c |= 0x4000000 | (tUNK_2 - 1) << 16; + } else { + /* XXX: reg_10023c + * currently unknown + * 10023c seen as 06xxxxxx, 0bxxxxxx or 0fxxxxxx */ + } - switch (dev_priv->vram_type) { - case NV_MEM_TYPE_GDDR3: - t->mr[1] &= ~0x00000040; - t->mr[1] |= 0x00000040 * dll_off; - break; - default: - t->mr[1] &= ~0x00000001; - t->mr[1] |= 0x00000001 * dll_off; - break; + /* XXX: reg_100240? */ } + timing->id = i; + + NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", i, + timing->reg_100220, timing->reg_100224, + timing->reg_100228, timing->reg_10022c); + NV_DEBUG(dev, " 230: %08x %08x %08x %08x\n", + timing->reg_100230, timing->reg_100234, + timing->reg_100238, timing->reg_10023c); + NV_DEBUG(dev, " 240: %08x\n", timing->reg_100240); } - return ret; + memtimings->nr_timing = entries; + memtimings->supported = (dev_priv->chipset <= 0x98); } void -nouveau_mem_timing_read(struct drm_device *dev, struct nouveau_pm_memtiming *t) +nouveau_mem_timing_fini(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - u32 timing_base, timing_regs, mr_base; - int i; - - if (dev_priv->card_type >= 0xC0) { - timing_base = 0x10f290; - mr_base = 0x10f300; - } else { - timing_base = 0x100220; - mr_base = 0x1002c0; - } + struct nouveau_pm_memtimings *mem = &dev_priv->engine.pm.memtimings; - t->id = -1; - - switch (dev_priv->card_type) { - case NV_50: - timing_regs = 9; - break; - case NV_C0: - case NV_D0: - timing_regs = 5; - break; - case NV_30: - case NV_40: - timing_regs = 3; - break; - default: - timing_regs = 0; - return; - } - for(i = 0; i < timing_regs; i++) - t->reg[i] = nv_rd32(dev, timing_base + (0x04 * i)); - - t->tCWL = 0; - if (dev_priv->card_type < NV_C0) { - t->tCWL = ((nv_rd32(dev, 0x100228) & 0x0f000000) >> 24) + 1; - } else if (dev_priv->card_type <= NV_D0) { - t->tCWL = ((nv_rd32(dev, 0x10f294) & 0x00000f80) >> 7); - } - - t->mr[0] = nv_rd32(dev, mr_base); - t->mr[1] = nv_rd32(dev, mr_base + 0x04); - t->mr[2] = nv_rd32(dev, mr_base + 0x20); - t->mr[3] = nv_rd32(dev, mr_base + 0x24); - - t->odt = 0; - t->drive_strength = 0; - - switch (dev_priv->vram_type) { - case NV_MEM_TYPE_DDR3: - t->odt |= (t->mr[1] & 0x200) >> 7; - case NV_MEM_TYPE_DDR2: - t->odt |= (t->mr[1] & 0x04) >> 2 | - (t->mr[1] & 0x40) >> 5; - break; - case NV_MEM_TYPE_GDDR3: - case NV_MEM_TYPE_GDDR5: - t->drive_strength = t->mr[1] & 0x03; - t->odt = (t->mr[1] & 0x0c) >> 2; - break; - default: - break; - } + kfree(mem->timing); } -int -nouveau_mem_exec(struct nouveau_mem_exec_func *exec, - struct nouveau_pm_level *perflvl) +static int +nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long p_size) { - struct drm_nouveau_private *dev_priv = exec->dev->dev_private; - struct nouveau_pm_memtiming *info = &perflvl->timing; - u32 tMRD = 1000, tCKSRE = 0, tCKSRX = 0, tXS = 0, tDLLK = 0; - u32 mr[3] = { info->mr[0], info->mr[1], info->mr[2] }; - u32 mr1_dlloff; - - switch (dev_priv->vram_type) { - case NV_MEM_TYPE_DDR2: - tDLLK = 2000; - mr1_dlloff = 0x00000001; - break; - case NV_MEM_TYPE_DDR3: - tDLLK = 12000; - mr1_dlloff = 0x00000001; - break; - case NV_MEM_TYPE_GDDR3: - tDLLK = 40000; - mr1_dlloff = 0x00000040; - break; - default: - NV_ERROR(exec->dev, "cannot reclock unsupported memtype\n"); - return -ENODEV; - } - - /* fetch current MRs */ - switch (dev_priv->vram_type) { - case NV_MEM_TYPE_GDDR3: - case NV_MEM_TYPE_DDR3: - mr[2] = exec->mrg(exec, 2); - default: - mr[1] = exec->mrg(exec, 1); - mr[0] = exec->mrg(exec, 0); - break; - } - - /* DLL 'on' -> DLL 'off' mode, disable before entering self-refresh */ - if (!(mr[1] & mr1_dlloff) && (info->mr[1] & mr1_dlloff)) { - exec->precharge(exec); - exec->mrs (exec, 1, mr[1] | mr1_dlloff); - exec->wait(exec, tMRD); - } - - /* enter self-refresh mode */ - exec->precharge(exec); - exec->refresh(exec); - exec->refresh(exec); - exec->refresh_auto(exec, false); - exec->refresh_self(exec, true); - exec->wait(exec, tCKSRE); - - /* modify input clock frequency */ - exec->clock_set(exec); - - /* exit self-refresh mode */ - exec->wait(exec, tCKSRX); - exec->precharge(exec); - exec->refresh_self(exec, false); - exec->refresh_auto(exec, true); - exec->wait(exec, tXS); - - /* update MRs */ - if (mr[2] != info->mr[2]) { - exec->mrs (exec, 2, info->mr[2]); - exec->wait(exec, tMRD); - } - - if (mr[1] != info->mr[1]) { - /* need to keep DLL off until later, at least on GDDR3 */ - exec->mrs (exec, 1, info->mr[1] | (mr[1] & mr1_dlloff)); - exec->wait(exec, tMRD); - } - - if (mr[0] != info->mr[0]) { - exec->mrs (exec, 0, info->mr[0]); - exec->wait(exec, tMRD); - } - - /* update PFB timing registers */ - exec->timing_set(exec); - - /* DLL (enable + ) reset */ - if (!(info->mr[1] & mr1_dlloff)) { - if (mr[1] & mr1_dlloff) { - exec->mrs (exec, 1, info->mr[1]); - exec->wait(exec, tMRD); - } - exec->mrs (exec, 0, info->mr[0] | 0x00000100); - exec->wait(exec, tMRD); - exec->mrs (exec, 0, info->mr[0] | 0x00000000); - exec->wait(exec, tMRD); - exec->wait(exec, tDLLK); - if (dev_priv->vram_type == NV_MEM_TYPE_GDDR3) - exec->precharge(exec); - } - - return 0; -} + struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev); + struct nouveau_mm *mm; + u64 size, block, rsvd; + int ret; -int -nouveau_mem_vbios_type(struct drm_device *dev) -{ - struct bit_entry M; - u8 ramcfg = (nv_rd32(dev, 0x101000) & 0x0000003c) >> 2; - if (!bit_table(dev, 'M', &M) || M.version != 2 || M.length < 5) { - u8 *table = ROMPTR(dev, M.data[3]); - if (table && table[0] == 0x10 && ramcfg < table[3]) { - u8 *entry = table + table[1] + (ramcfg * table[2]); - switch (entry[0] & 0x0f) { - case 0: return NV_MEM_TYPE_DDR2; - case 1: return NV_MEM_TYPE_DDR3; - case 2: return NV_MEM_TYPE_GDDR3; - case 3: return NV_MEM_TYPE_GDDR5; - default: - break; - } + rsvd = (256 * 1024); /* vga memory */ + size = (p_size << PAGE_SHIFT) - rsvd; + block = dev_priv->vram_rblock_size; - } - } - return NV_MEM_TYPE_UNKNOWN; -} + ret = nouveau_mm_init(&mm, rsvd >> 12, size >> 12, block >> 12); + if (ret) + return ret; -static int -nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) -{ - /* nothing to do */ + man->priv = mm; return 0; } static int nouveau_vram_manager_fini(struct ttm_mem_type_manager *man) { - /* nothing to do */ - return 0; -} + struct nouveau_mm *mm = man->priv; + int ret; -static inline void -nouveau_mem_node_cleanup(struct nouveau_mem *node) -{ - if (node->vma[0].node) { - nouveau_vm_unmap(&node->vma[0]); - nouveau_vm_put(&node->vma[0]); - } + ret = nouveau_mm_fini(&mm); + if (ret) + return ret; - if (node->vma[1].node) { - nouveau_vm_unmap(&node->vma[1]); - nouveau_vm_put(&node->vma[1]); - } + man->priv = NULL; + return 0; } static void @@ -1119,9 +768,14 @@ nouveau_vram_manager_del(struct ttm_mem_type_manager *man, { struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev); struct nouveau_vram_engine *vram = &dev_priv->engine.vram; + struct nouveau_mem *node = mem->mm_node; struct drm_device *dev = dev_priv->dev; - nouveau_mem_node_cleanup(mem->mm_node); + if (node->tmp_vma.node) { + nouveau_vm_unmap(&node->tmp_vma); + nouveau_vm_put(&node->tmp_vma); + } + vram->put(dev, (struct nouveau_mem **)&mem->mm_node); } @@ -1140,7 +794,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, int ret; if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) - size_nc = 1 << nvbo->page_shift; + size_nc = 1 << nvbo->vma.node->type; ret = vram->get(dev, mem->num_pages << PAGE_SHIFT, mem->page_alignment << PAGE_SHIFT, size_nc, @@ -1150,7 +804,9 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, return (ret == -ENOSPC) ? 0 : ret; } - node->page_shift = nvbo->page_shift; + node->page_shift = 12; + if (nvbo->vma.node) + node->page_shift = nvbo->vma.node->type; mem->mm_node = node; mem->start = node->offset >> PAGE_SHIFT; @@ -1206,9 +862,15 @@ static void nouveau_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) { - nouveau_mem_node_cleanup(mem->mm_node); - kfree(mem->mm_node); + struct nouveau_mem *node = mem->mm_node; + + if (node->tmp_vma.node) { + nouveau_vm_unmap(&node->tmp_vma); + nouveau_vm_put(&node->tmp_vma); + } + mem->mm_node = NULL; + kfree(node); } static int @@ -1218,7 +880,11 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) { struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev); + struct nouveau_bo *nvbo = nouveau_bo(bo); + struct nouveau_vma *vma = &nvbo->vma; + struct nouveau_vm *vm = vma->vm; struct nouveau_mem *node; + int ret; if (unlikely((mem->num_pages << PAGE_SHIFT) >= dev_priv->gart_info.aper_size)) @@ -1227,8 +893,24 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man, node = kzalloc(sizeof(*node), GFP_KERNEL); if (!node) return -ENOMEM; - node->page_shift = 12; + /* This node must be for evicting large-paged VRAM + * to system memory. Due to a nv50 limitation of + * not being able to mix large/small pages within + * the same PDE, we need to create a temporary + * small-paged VMA for the eviction. + */ + if (vma->node->type != vm->spg_shift) { + ret = nouveau_vm_get(vm, (u64)vma->node->length << 12, + vm->spg_shift, NV_MEM_ACCESS_RW, + &node->tmp_vma); + if (ret) { + kfree(node); + return ret; + } + } + + node->page_shift = nvbo->vma.node->type; mem->mm_node = node; mem->start = 0; return 0; |