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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-05-24 20:48:12 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-25 10:07:06 +0200 |
| commit | bed1ea95a38bf7a54fd3229edcd3871a18ca98c0 (patch) | |
| tree | 353d8a2bb972bf643a93d192e0d588e7d73ada10 /drivers/gpu | |
| parent | 89ba829e38bd500f438bc08af4229204c8ed7f35 (diff) | |
| download | linux-bed1ea95a38bf7a54fd3229edcd3871a18ca98c0.tar.gz linux-bed1ea95a38bf7a54fd3229edcd3871a18ca98c0.tar.xz linux-bed1ea95a38bf7a54fd3229edcd3871a18ca98c0.zip | |
drm/i915: Limit page allocations to lowmem (dma32) for i965
Broadwater and Crestline share a limitation that prevent it from
relocating general surface state above 4GiB. The only recourse we have
since any buffer object may be used as a relocation target is then to
limit all object allocations on 965g[m] to DMA32.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6d2180cf3da5..1d4b51c53874 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3263,6 +3263,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj; struct address_space *mapping; + u32 mask; obj = kzalloc(sizeof(*obj), GFP_KERNEL); if (obj == NULL) @@ -3273,8 +3274,15 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, return NULL; } + mask = GFP_HIGHUSER | __GFP_RECLAIMABLE; + if (IS_CRESTLINE(dev) || IS_BROADWATER(dev)) { + /* 965gm cannot relocate objects above 4GiB. */ + mask &= ~__GFP_HIGHMEM; + mask |= __GFP_DMA32; + } + mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping; - mapping_set_gfp_mask(mapping, GFP_HIGHUSER | __GFP_RECLAIMABLE); + mapping_set_gfp_mask(mapping, mask); i915_gem_info_add_obj(dev_priv, size); |