diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dpp.c
index f349cbe2a0f0c7f1a1830d9d8ff2fd80903f7e84..dcf12a0b031c78fa658ee1261ae066d037e13636 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dpp.c
@@ -31,7 +31,7 @@
 #include "dcn30/dcn30_cm_common.h"
 
 /* Compute the maximum number of lines that we can fit in the line buffer */
-void dscl32_calc_lb_num_partitions(
+static void dscl32_calc_lb_num_partitions(
 		const struct scaler_data *scl_data,
 		enum lb_memory_config lb_config,
 		int *num_part_y,