Mipi-DSI is two lane in Jeson NANO. TFT-LCD is four lane port.How do these two connect?

Mipi-DSI is two lane in Jeson NANO. TFT-LCD is four lane port.How do these two connect?

Sorry,this is not a TLT issue. Could you please raise your question under below forum? Thanks a lot.
https://devtalk.nvidia.com/default/board/371/jetson-nano/