DKL_PLL_SSC
hw_state->mg_pll_ssc = intel_dkl_phy_read(display, DKL_PLL_SSC(tc_port));
val = intel_dkl_phy_read(display, DKL_PLL_SSC(tc_port));
intel_dkl_phy_write(display, DKL_PLL_SSC(tc_port), val);