MIPI DSI interface on Banana PI m2 berry

hy i have one question about how to connect mipi dsi display on banan pi m2 berry. Does i must have some power supply board for a display or it can be poweered trough mipi dsi cable? Can i from one dsi port connect to two display in parrallel ( i need same picture display on both screen)? Display are like this http://splcd.com/Img/Spec/HSD088IPW1-A00(V1.1)2015-09-07.pdf .

Tnx for any help