BXT_PORT_REF_DW6
u32 val = intel_de_read(display, BXT_PORT_REF_DW6(phy));
intel_de_write(display, BXT_PORT_REF_DW6(phy), grc_code);
ok &= _CHK(BXT_PORT_REF_DW6(phy), mask, grc_code,
MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY0));
MMIO_D(BXT_PORT_REF_DW6(DPIO_PHY1));