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Commit 654fc607 authored by Chris Wilson's avatar Chris Wilson Committed by Eric Anholt
Browse files

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: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent 85cd4612

drivers/gpu/drm/i915/i915_gem.c

+8 −0
Original line number Diff line number Diff line
@@ -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);