Passphrase asking screen not shown with FDE and PBP deck connected

Describe your issue

When FDE and usb-c Pinebook pro deck connected and deck connected OR NOT to the power, starting process stuck before asking the unlock passphrase. In fact, screen with keyboard and password text area is not shown. when i touch where the keyboard should appear then touch where the enter key should be.the process follow but as i can not see the keyboard i enter the wrong password and can not boot.

Expected Behavior

Mobian ask for passphrase then could boot completely

Observed Behavior

In fact, screen with keyboard and password text area is not shown

How reproducible is the bug?

Not always but most of time

Steps to reproduce the bug

connect the deck to the power (or not) then the phone to the dock. if it does not start alone press power button boot stuck before fde passphrase prompt.

What device are you using?

PPP EE

Distributor ID: Debian Description: Debian GNU/Linux bookworm/sid Release: testing Codename: bookworm

Linux phone 6.0-rockchip #1 (closed) SMP PREEMPT_DYNAMIC Mon Nov 14 16:46:46 UTC 2022 aarch64 GNU/Linux

Which mobian repository are you using?

deb https://repo.mobian.org/ staging main non-free

How did you get your Mobian Image?

calamares installer

Screenshots if relevant

NA

Solutions you have tried

boot with external power disconnected from the dock. boot with external power disconnected

Additional Information

Boot log

https://paste.3cmr.fr/zerobin/?37efa5d7caa96f03#CAa8mkJarxdCfZ5YDqNra5C7saPsFqErq1HpnjaEwZJ9