dpcd_reg_write
dpcd_reg_write(connectorIndex, DP_TRAINING_PATTERN_SET, trainingPattern);
dpcd_reg_write(connectorIndex, DP_SET_POWER, DP_SET_POWER_D0);
dpcd_reg_write(connectorIndex, DP_DOWNSPREAD_CTRL,
dpcd_reg_write(connectorIndex, DP_DOWNSPREAD_CTRL, 0);
dpcd_reg_write(connectorIndex, DP_LANE_COUNT, sandbox);
dpcd_reg_write(connectorIndex, DP_LINK_RATE, sandbox);
dpcd_reg_write(connectorIndex, DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE);
dpcd_reg_write(connectorIndex, DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE);
void dpcd_reg_write(uint32 connectorIndex, uint32 address, uint8 value);