diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 7c02fa511b43..3ba5cc9bd06d 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -1352,6 +1352,7 @@ static const struct vop_win_phy rk3366_lit_win0_data = {
 	.global_alpha_val = VOP_REG(RK3366_LIT_WIN0_ALPHA_CTRL, 0xff, 4),
 	.key_color = VOP_REG(RK3366_LIT_WIN0_COLOR_KEY, 0xffffff, 0),
 	.key_en = VOP_REG(RK3366_LIT_WIN0_COLOR_KEY, 0x1, 24),
+	.channel = VOP_REG(RK3366_LIT_WIN0_CTRL0, 0xff, 12),
 };
 
 static const struct vop_win_phy rk3366_lit_win1_data = {
@@ -1372,6 +1373,7 @@ static const struct vop_win_phy rk3366_lit_win1_data = {
 	.global_alpha_val = VOP_REG(RK3366_LIT_WIN1_ALPHA_CTRL, 0xff, 4),
 	.key_color = VOP_REG(RK3366_LIT_WIN1_COLOR_KEY, 0xffffff, 0),
 	.key_en = VOP_REG(RK3366_LIT_WIN1_COLOR_KEY, 0x1, 24),
+	.channel = VOP_REG(RK3366_LIT_WIN1_CTRL1, 0xf, 8),
 };
 
 static const struct vop_win_data rk3366_vop_lit_win_data[] = {