Display port over usb or superMHL support

[aliasssssss]

I've already tested hdmi over usb, mhl support seems to have been dropped. Display port over usb c with alt mode should be supported natively by the new SoC. Can anyone confirm if it works, since I wasn't able to find this specified anywhere?

[TheGreatMorpheu]

Just tried it on a portable display that support USB Type-C in with my XZ Premium.

The phone can only provide power to the portable display, but no visual display at all.

So, I am guessing somehow Sony didn't enable the DP out from Snapdragon 835.

Or there is a hidden setting that can enable it, but I still couldn't find it yet.

[029]

How to activate Displayport alt mode on the Xperia XZ premium?