diff --git a/drivers/gpu/drm/amd/display/dc/gpio/diagnostics/hw_factory_diag.c b/drivers/gpu/drm/amd/display/dc/gpio/diagnostics/hw_factory_diag.c
index df68430aeb0c..c6e28f6bf1a2 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/diagnostics/hw_factory_diag.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/diagnostics/hw_factory_diag.c
@@ -28,6 +28,7 @@
  */
 
 #include "dm_services.h"
+#include "hw_factory_diag.h"
 #include "include/gpio_types.h"
 #include "../hw_factory.h"