diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index 095cccc2e8b27e6bf4c5778db048bf297508ca30..e2ec42b2bf24549803465874e502df9383b2cbf3 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -680,6 +680,9 @@ i915_gem_request_await_request(struct drm_i915_gem_request *to,
 
 	GEM_BUG_ON(to == from);
 
+	if (i915_gem_request_completed(from))
+		return 0;
+
 	if (to->engine->schedule) {
 		ret = i915_priotree_add_dependency(to->i915,
 						   &to->priotree,