drm/amd/display: make dscl32_calc_lb_num_partitions static

This symbol is not used outside of dcn32_dpp.c, so marks it static.

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_dpp.c:34:6: warning: no previous prototype for ‘dscl32_calc_lb_num_partitions’.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2118Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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,