LVDS Signal DC offset and AC Swing

Are you using MC20902 to drive HS and LP signals on MIPI D interface or is it utilized as HS driver only? In the latter case, it's probably easy to divide the transceiver output down to meet MIPI D 2.0 level specifications. MC20902 LVDS input is specified with minimal Vocm of 700 mV, outside the transceiver range. The necessary level shift can be possibly achieved with a resistor network.

I presume that you don't use the MIPI D 8b/10b coding option, so AC coupling isn't possible.