DKL_PLL_TDC_COLDST_BIAS
intel_dkl_phy_read(display, DKL_PLL_TDC_COLDST_BIAS(tc_port));
val = intel_dkl_phy_read(display, DKL_PLL_TDC_COLDST_BIAS(tc_port));
intel_dkl_phy_write(display, DKL_PLL_TDC_COLDST_BIAS(tc_port), val);
intel_dkl_phy_posting_read(display, DKL_PLL_TDC_COLDST_BIAS(tc_port));