diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
index 55322d7048f5761b20ed4e7fee96277253e69820..e1ec1bb7068dff53ef0784900a51f3eb3b4aae5e 100644
--- a/drivers/gpu/drm/drm_mode_config.c
+++ b/drivers/gpu/drm/drm_mode_config.c
@@ -608,6 +608,9 @@ void drm_mode_config_validate(struct drm_device *dev)
 {
 	struct drm_encoder *encoder;
 
+	if (!drm_core_check_feature(dev, DRIVER_MODESET))
+		return;
+
 	drm_for_each_encoder(encoder, dev)
 		fixup_encoder_possible_clones(encoder);