diff --git a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
index 1d9b8ff3c238..f6bf896a36e4 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop2_reg.c
@@ -577,7 +577,7 @@ static const struct vop2_video_port_regs rk3528_vop_vp0_regs = {
 	.acm_bypass_en = VOP_REG(RK3528_VP0_ACM_CTRL, 0x1, 0),
 	.csc_en = VOP_REG(RK3528_VP0_ACM_CTRL, 0x1, 1),
 	.acm_r2y_en = VOP_REG(RK3528_VP0_ACM_CTRL, 0x1, 2),
-	.csc_mode = VOP_REG(RK3528_VP0_ACM_CTRL, 0x1, 3),
+	.csc_mode = VOP_REG(RK3528_VP0_ACM_CTRL, 0x7, 3),
 	.acm_r2y_mode = VOP_REG(RK3528_VP0_ACM_CTRL, 0x7, 8),
 	.csc_coe00 = VOP_REG(RK3528_VP0_ACM_CTRL, 0xffff, 16),
 	.csc_coe01 = VOP_REG(RK3528_VP0_CSC_COE01_02, 0xffff, 0),