HDMI_CORE_CSC_COEF_B4_LSB
REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_LSB, csc_coeff->b4, 7, 0);
REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_B4_LSB, csc_coeff.b4, 7, 0);