diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 17a98845fd31b5b223b734ae9f72f171230aa7cf..2455d4a55abd6751d54b7c6ecad3dda8a614bd36 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1905,8 +1905,8 @@ static unsigned long rk3588_calc_cru_cfg(struct vop2_video_port *vp, int id,
 			K = 2;
 		}
 
-		if_pixclk_rate = (dclk_core_rate << 1) / K;
 		/*
+		 * if_pixclk_rate = (dclk_core_rate << 1) / K;
 		 * if_dclk_rate = dclk_core_rate / K;
 		 * *if_pixclk_div = dclk_rate / if_pixclk_rate;
 		 * *if_dclk_div = dclk_rate / if_dclk_rate;