From 654fc6073f68efa3b6c466825749e73e7fbb92cd Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 27 May 2010 13:18:21 +0100 Subject: [PATCH] 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 Cc: stable@kernel.org Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/i915_gem.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b87945db1021..f84c8e982dcb 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); -- GitLab