diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 536409a35df406dae0dd7ade01b3f3d1e2c9e8f9..6b2178864c7ee12db9aa1f562e106b2f604439f8 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -748,7 +748,7 @@ static int bridges_show(struct seq_file *m, void *data)
 	unsigned int idx = 0;
 
 	drm_for_each_bridge_in_chain(encoder, bridge) {
-		drm_printf(&p, "bridge[%d]: %ps\n", idx++, bridge->funcs);
+		drm_printf(&p, "bridge[%u]: %ps\n", idx++, bridge->funcs);
 		drm_printf(&p, "\ttype: [%d] %s\n",
 			   bridge->type,
 			   drm_get_connector_type_name(bridge->type));