mtk_dp_bulk_16bit_write
mtk_dp_bulk_16bit_write(mtk_dp, MTK_DP_ENC1_P0_3200,
mtk_dp_bulk_16bit_write(mtk_dp, db_addr, (u8 *)header, 4);
mtk_dp_bulk_16bit_write(mtk_dp, MTK_DP_AUX_P0_3708, buf, length);