1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d8618f32557e..a3678018af36 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3021,6 +3021,13 @@ i915_gem_clflush_object(struct drm_i915_gem_object *obj)
         if (obj->pages == NULL)
                 return;
 
+        /*
+         * Stolen memory is always coherent with the GPU as it is explicitly
+         * marked as wc by the system, or the system is cache-coherent.
+         */
+        if (obj->stolen)
+                return;
+
         /* If the GPU is snooping the contents of the CPU cache,
          * we do not need to manually clear the CPU cache lines.  However,
          * the caches are only snooped when the render cache is