diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index d957ea5634d7..ee4a12da78ab 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1457,7 +1457,9 @@ static int vop_initial(struct vop *vop)
 
 	for (i = 0; i < vop_data->win_size; i++) {
 		const struct vop_win_data *win = &vop_data->win[i];
+		int channel = i * 2 + 1;
 
+		VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel);
 		VOP_WIN_SET(vop, win, enable, 0);
 		VOP_WIN_SET(vop, win, gate, 1);
 	}
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index 43d08c88f1f8..af1091f51a80 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -141,6 +141,7 @@ struct vop_win_phy {
 
 	struct vop_reg dst_alpha_ctl;
 	struct vop_reg src_alpha_ctl;
+	struct vop_reg channel;
 };
 
 struct vop_win_data {
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index bc7b2d086109..94de7b9f6fde 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -197,6 +197,7 @@ static const struct vop_win_phy rk3288_win01_data = {
 	.uv_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 16),
 	.src_alpha_ctl = VOP_REG(RK3288_WIN0_SRC_ALPHA_CTRL, 0xff, 0),
 	.dst_alpha_ctl = VOP_REG(RK3288_WIN0_DST_ALPHA_CTRL, 0xff, 0),
+	.channel = VOP_REG(RK3288_WIN0_CTRL2, 0xff, 0),
 };
 
 static const struct vop_win_phy rk3288_win23_data = {