diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index bc98bb94264d..fb758f26cf5c 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -48,6 +48,11 @@ uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
 	uint32_t possible_crtcs = 0;
 
 	for_each_endpoint_of_node(port, ep) {
+		if (!of_device_is_available(ep)) {
+			of_node_put(ep);
+			continue;
+		}
+
 		remote_port = of_graph_get_remote_port(ep);
 		if (!remote_port) {
 			of_node_put(ep);