drm/msm/dpu: dpu_setup_dspp_pcc() can be static

Fixes: 4259ff7a ("drm/msm/dpu: add support for pcc color block in dpu driver")
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c

@@ -22,7 +22,7 @@
 #define PCC_BLUE_G_OFF 0x24
 #define PCC_BLUE_B_OFF 0x30
 
-void dpu_setup_dspp_pcc(struct dpu_hw_dspp *ctx,
+static void dpu_setup_dspp_pcc(struct dpu_hw_dspp *ctx,
 		struct dpu_hw_pcc_cfg *cfg)
 {