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

[karo-tx-linux.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c00c978be05c465ac83ab277c67c11cbad708d96..1307c575fac841f2d90a4f5ea1d1f836b49d3f6f 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2641,6 +2641,14 @@ 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);