eDP interface on android 9


I am using KHADAS EDGE V (V-13). I follow the documentation present in the SDK (RKDocs: Rockchip_DRM_Panel_Porting_Guide.pdf). But still my display is not up. And even khadas board is not booting up and hanging while booting.
I am using a N156HHE-GA1 eDP panel.
Can you help me to make EDP interface up?


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