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drm/i915: Reject bind_to_gtt() early if object > aperture 

If the object is bigger than the entire aperture, reject it early
before evicting everything in a vain attempt to find space.

v2: Use E2BIG as suggested by Owain G. Ainsworth.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Chris Wilson 2010-05-27 13:18:21 +01:00 committed by Eric Anholt
parent 85cd4612fd
commit 654fc6073f
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/i915_gem.c
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@ -2648,6 +2648,14 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
return -EINVAL;
}
/* If the object is bigger than the entire aperture, reject it early
* before evicting everything in a vain attempt to find space.
*/
if (obj->size > dev->gtt_total) {
DRM_ERROR("Attempting to bind an object larger than the aperture\n");
return -E2BIG;
}
search_free:
free_space = drm_mm_search_free(&dev_priv->mm.gtt_space,
obj->size, alignment, 0);