TXn_HIGHZ_DRVR_EN
writel(0x1f, edp->tx0 + TXn_HIGHZ_DRVR_EN);
writel(0x04, edp->tx0 + TXn_HIGHZ_DRVR_EN);
writel(0x1f, edp->tx1 + TXn_HIGHZ_DRVR_EN);
writel(0x04, edp->tx1 + TXn_HIGHZ_DRVR_EN);
writel(drvr0_en, edp->tx0 + TXn_HIGHZ_DRVR_EN);
writel(drvr1_en, edp->tx1 + TXn_HIGHZ_DRVR_EN);