diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
index a0e99db61410..809fc696962d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
@@ -68,7 +68,7 @@ enum dc_plane_addr_type {
 
 struct dc_plane_address {
 	enum dc_plane_addr_type type;
-	bool tmz_surface;
+	uint8_t tmz_surface;
 	union {
 		struct{
 			PHYSICAL_ADDRESS_LOC addr;