diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index b7531cdc8bfe73e1558a534b2fc133526f39573f..e412a096a4b8293f8bcdd3375a06b315394b2a11 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1752,7 +1752,7 @@ uint8_t dp_convert_to_count(uint8_t lttpr_repeater_count)
 	return 0; // invalid value
 }
 
-enum dc_status configure_lttpr_mode_transparent(struct dc_link *link)
+static enum dc_status configure_lttpr_mode_transparent(struct dc_link *link)
 {
 	uint8_t repeater_mode = DP_PHY_REPEATER_MODE_TRANSPARENT;
 
@@ -1763,7 +1763,7 @@ enum dc_status configure_lttpr_mode_transparent(struct dc_link *link)
 			sizeof(repeater_mode));
 }
 
-enum dc_status configure_lttpr_mode_non_transparent(
+static enum dc_status configure_lttpr_mode_non_transparent(
 		struct dc_link *link,
 		const struct link_training_settings *lt_settings)
 {