diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-10-10 06:07:32 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-11-18 14:38:31 +1000 |
| commit | 699ddfd98061b725c52fd34ff1c4346e5b4824d4 (patch) | |
| tree | c30678adaba718c40eae3ad7d3802d7a06546160 /drivers/gpu | |
| parent | f13b32630dda7e583a84a8c535880cff7e4a9bdd (diff) | |
drm/nv10: Balance RTs expected to be accessed simultaneously by the 3d engine.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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 f55dd9145b7..c41e1c200ef 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 |