pre_emphasis_level
u32 pre_emphasis_level = link->phy_params.p_level;
voltage_swing_level, pre_emphasis_level);
voltage_swing_level, pre_emphasis_level);
if (pre_emphasis_level >= DP_TRAIN_LEVEL_MAX) {
pre_emphasis_level);
pre_emphasis_level <<= DP_TRAIN_PRE_EMPHASIS_SHIFT;
buf[lane] = voltage_swing_level | pre_emphasis_level
voltage_swing_level | pre_emphasis_level);