CMTG_ENABLE
cmtg_config->cmtg_a_enable = val & CMTG_ENABLE;
cmtg_config->cmtg_b_enable = val & CMTG_ENABLE;
intel_de_rmw(display, TRANS_CMTG_CTL_A, CMTG_ENABLE, 0);
intel_de_rmw(display, TRANS_CMTG_CTL_B, CMTG_ENABLE, 0);