diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index f55dd9145b7c..c41e1c200ef5 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -143,6 +143,7 @@ nouveau_bo_new(struct drm_device *dev, struct nouveau_channel *chan, nvbo->no_vm = no_vm; nvbo->tile_mode = tile_mode; nvbo->tile_flags = tile_flags; + nvbo->bo.bdev = &dev_priv->ttm.bdev; nouveau_bo_fixup_align(dev, tile_mode, nouveau_bo_tile_layout(nvbo), &align, &size); @@ -177,6 +178,31 @@ set_placement_list(uint32_t *pl, unsigned *n, uint32_t type, uint32_t flags) pl[(*n)++] = TTM_PL_FLAG_SYSTEM | flags; } +static void +set_placement_range(struct nouveau_bo *nvbo, uint32_t type) +{ + struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev); + + if (dev_priv->card_type == NV_10 && + nvbo->tile_mode && (type & TTM_PL_FLAG_VRAM)) { + /* + * Make sure that the color and depth buffers are handled + * by independent memory controller units. Up to a 9x + * speed up when alpha-blending and depth-test are enabled + * at the same time. + */ + int vram_pages = dev_priv->vram_size >> PAGE_SHIFT; + + if (nvbo->tile_flags & NOUVEAU_GEM_TILE_ZETA) { + nvbo->placement.fpfn = vram_pages / 2; + nvbo->placement.lpfn = ~0; + } else { + nvbo->placement.fpfn = 0; + nvbo->placement.lpfn = vram_pages / 2; + } + } +} + void nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy) { @@ -191,6 +217,8 @@ nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy) pl->busy_placement = nvbo->busy_placements; set_placement_list(nvbo->busy_placements, &pl->num_busy_placement, type | busy, flags); + + set_placement_range(nvbo, type); } int |