Merge tag 'drm-intel-fixes-2014-11-13' of git://anongit.freedesktop.org/drm-intel into drm-fixes

one regression fix.

* tag 'drm-intel-fixes-2014-11-13' of git://anongit.freedesktop.org/drm-intel:
  drm/i915: Fix obj->map_and_fenceable across tiling changes

drivers/gpu/drm/i915/i915_gem_tiling.c

@@ -364,22 +364,9 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		 * has to also include the unfenced register the GPU uses
 		 * whilst executing a fenced command for an untiled object.
 		 */
-
-		obj->map_and_fenceable =
-			!i915_gem_obj_ggtt_bound(obj) ||
-			(i915_gem_obj_ggtt_offset(obj) +
-			 obj->base.size <= dev_priv->gtt.mappable_end &&
-			 i915_gem_object_fence_ok(obj, args->tiling_mode));
-
-		/* Rebind if we need a change of alignment */
-		if (!obj->map_and_fenceable) {
-			u32 unfenced_align =
-				i915_gem_get_gtt_alignment(dev, obj->base.size,
-							    args->tiling_mode,
-							    false);
-			if (i915_gem_obj_ggtt_offset(obj) & (unfenced_align - 1))
+		if (obj->map_and_fenceable &&
+		    !i915_gem_object_fence_ok(obj, args->tiling_mode))
 			ret = i915_gem_object_ggtt_unbind(obj);
-		}
 
 		if (ret == 0) {
 			obj->fence_dirty =