HDMI_CORE_CSC_COEF_C4_LSB
REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_LSB, csc_coeff->c4, 7, 0);
REG_FLD_MOD(base, HDMI_CORE_CSC_COEF_C4_LSB, csc_coeff.c4, 7, 0);