SN75DP119: 2 meter edp cable with main signal channel and AUX signal chnnel

Dear Team

If the solution need to driver a 2 meters cable for the edp interface, SN75DP119 can be used for the main channel. And how about the AUX channel which is a 1Mhz LVDS which used for the command. 

so do we also need a bi-direction LVDS buffer for the AUX channel? but seemed there do not have such a device? 

waiting for your feedback.

Thanks

Jun Shen