CSC_GB
regval[2] = CVAL(csc->m[CSC_GG], csc->m[CSC_GB]);
cpr->m[CSC_GB] = dispc_S31_32_to_s2_8(ctm->matrix[5]);
regval[1] = CVAL(csc->m[CSC_GB], csc->m[CSC_GG], csc->m[CSC_GR]);
cpr->m[CSC_GB] = dispc_S31_32_to_s3_8(ctm->matrix[5]);