Gitweb: http://git.kernel.org/linus/654fc6073f68efa3b6c466825749e73e7fbb92cd
Commit: 654fc6073f68efa3b6c466825749e73e7fbb92cd
Parent: 85cd4612fdab4e837d7eea048a697c75d0477d3b
Author: Chris Wilson <chris@chris-wilson.co.uk>
AuthorDate: Thu May 27 13:18:21 2010 +0100
Committer: Eric Anholt <eric@anholt.net>
CommitDate: Fri May 28 10:52:15 2010 -0700
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>
---
drivers/gpu/drm/i915/i915_gem.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b87945d..f84c8e9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -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);
--
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