DP_TP_CTL_LINK_TRAIN_MASK
temp &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
temp &= ~DP_TP_CTL_LINK_TRAIN_MASK;
val &= ~DP_TP_CTL_LINK_TRAIN_MASK;