diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index eb92fe257a39..5873e481e5d2 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -610,7 +610,7 @@ static bool
 drm_monitor_supports_rb(struct edid *edid)
 {
 	if (edid->revision >= 4) {
-		bool ret;
+		bool ret = false;
 		drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
 		return ret;
 	}