diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 173 |
1 files changed, 144 insertions, 29 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index b0fb9bd..2683377 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -152,7 +152,6 @@ nouveau_mem_vram_fini(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - nouveau_bo_unpin(dev_priv->vga_ram); nouveau_bo_ref(NULL, &dev_priv->vga_ram); ttm_bo_device_release(&dev_priv->ttm.bdev); @@ -393,11 +392,17 @@ nouveau_mem_vram_init(struct drm_device *dev) struct ttm_bo_device *bdev = &dev_priv->ttm.bdev; int ret, dma_bits; - if (dev_priv->card_type >= NV_50 && - pci_dma_supported(dev->pdev, DMA_BIT_MASK(40))) - dma_bits = 40; - else - dma_bits = 32; + dma_bits = 32; + if (dev_priv->card_type >= NV_50) { + if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40))) + dma_bits = 40; + } else + if (drm_pci_device_is_pcie(dev) && + dev_priv->chipset != 0x40 && + dev_priv->chipset != 0x45) { + if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39))) + dma_bits = 39; + } ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits)); if (ret) @@ -419,14 +424,32 @@ nouveau_mem_vram_init(struct drm_device *dev) } /* reserve space at end of VRAM for PRAMIN */ - if (dev_priv->chipset == 0x40 || dev_priv->chipset == 0x47 || - dev_priv->chipset == 0x49 || dev_priv->chipset == 0x4b) - dev_priv->ramin_rsvd_vram = (2 * 1024 * 1024); - else - if (dev_priv->card_type >= NV_40) - dev_priv->ramin_rsvd_vram = (1 * 1024 * 1024); - else - dev_priv->ramin_rsvd_vram = (512 * 1024); + 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; + } ret = dev_priv->engine.vram.init(dev); if (ret) @@ -455,13 +478,17 @@ nouveau_mem_vram_init(struct drm_device *dev) return ret; } - ret = nouveau_bo_new(dev, NULL, 256*1024, 0, TTM_PL_FLAG_VRAM, - 0, 0, true, true, &dev_priv->vga_ram); - if (ret == 0) - ret = nouveau_bo_pin(dev_priv->vga_ram, TTM_PL_FLAG_VRAM); - if (ret) { - NV_WARN(dev, "failed to reserve VGA memory\n"); - nouveau_bo_ref(NULL, &dev_priv->vga_ram); + if (dev_priv->card_type < NV_50) { + 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, + TTM_PL_FLAG_VRAM); + + if (ret) { + NV_WARN(dev, "failed to reserve VGA memory\n"); + nouveau_bo_ref(NULL, &dev_priv->vga_ram); + } } dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1), @@ -480,7 +507,7 @@ nouveau_mem_gart_init(struct drm_device *dev) dev_priv->gart_info.type = NOUVEAU_GART_NONE; #if !defined(__powerpc__) && !defined(__ia64__) - if (drm_device_is_agp(dev) && dev->agp && nouveau_agpmode) { + if (drm_pci_device_is_agp(dev) && dev->agp && nouveau_agpmode) { ret = nouveau_mem_init_agp(dev); if (ret) NV_ERROR(dev, "Error initialising AGP: %d\n", ret); @@ -666,13 +693,14 @@ nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long p_size { struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev); struct nouveau_mm *mm; - u32 b_size; + u64 size, block, rsvd; int ret; - p_size = (p_size << PAGE_SHIFT) >> 12; - b_size = dev_priv->vram_rblock_size >> 12; + rsvd = (256 * 1024); /* vga memory */ + size = (p_size << PAGE_SHIFT) - rsvd; + block = dev_priv->vram_rblock_size; - ret = nouveau_mm_init(&mm, 0, p_size, b_size); + ret = nouveau_mm_init(&mm, rsvd >> 12, size >> 12, block >> 12); if (ret) return ret; @@ -700,9 +728,15 @@ 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; - vram->put(dev, (struct nouveau_vram **)&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); } static int @@ -715,7 +749,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, struct nouveau_vram_engine *vram = &dev_priv->engine.vram; struct drm_device *dev = dev_priv->dev; struct nouveau_bo *nvbo = nouveau_bo(bo); - struct nouveau_vram *node; + struct nouveau_mem *node; u32 size_nc = 0; int ret; @@ -724,7 +758,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, ret = vram->get(dev, mem->num_pages << PAGE_SHIFT, mem->page_alignment << PAGE_SHIFT, size_nc, - (nvbo->tile_flags >> 8) & 0xff, &node); + (nvbo->tile_flags >> 8) & 0x3ff, &node); if (ret) { mem->mm_node = NULL; return (ret == -ENOSPC) ? 0 : ret; @@ -771,3 +805,84 @@ const struct ttm_mem_type_manager_func nouveau_vram_manager = { nouveau_vram_manager_del, nouveau_vram_manager_debug }; + +static int +nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) +{ + return 0; +} + +static int +nouveau_gart_manager_fini(struct ttm_mem_type_manager *man) +{ + return 0; +} + +static void +nouveau_gart_manager_del(struct ttm_mem_type_manager *man, + struct ttm_mem_reg *mem) +{ + 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; +} + +static int +nouveau_gart_manager_new(struct ttm_mem_type_manager *man, + struct ttm_buffer_object *bo, + struct ttm_placement *placement, + 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)) + return -ENOMEM; + + node = kzalloc(sizeof(*node), GFP_KERNEL); + if (!node) + return -ENOMEM; + + /* 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; +} + +void +nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) +{ +} + +const struct ttm_mem_type_manager_func nouveau_gart_manager = { + nouveau_gart_manager_init, + nouveau_gart_manager_fini, + nouveau_gart_manager_new, + nouveau_gart_manager_del, + nouveau_gart_manager_debug +}; |