How to enable cboot bootlogo on DP port output?

The default system can output Cboot’s boot logo from HDMI,but if only DP video out,boot logo Can not be displayed,
How to enable cboot bootlogo on DP port output?

Hi gener.zhuang,

I saw you have opened similar topic, but at Nano forum, may I know what platform you’re using?

We are using both platforms, and both have the same problems