diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
index 969b40250434..ceb34376decb 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
@@ -615,7 +615,7 @@ static void dcn31_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk
 	}
 }
 
-void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base)
+static void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base)
 {
 	int display_count;
 	struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);