Ryzen 5700G Display port flickering black screen after Desktop loads

My display port works fine, I’m able to see bios + grub loading screens. However, once xfce loads my display port monitor turns black and starts flickering; but my hdmi monitor is fine. (both are connected to the apu)

It seems the my displayport monitor is not being detected when connected to my amdgpu as it is listed as a generic displayport device. (when viewing from my hdmi monitor)

My setup has a secondary nvidia gpu. Which works fine with my displayport monitor.

I’ve installed xf86-video-amdgpu, upgraded the kernal to to 5.19, and run pacman -Syuu.

This is a fresh install of xfce minimal.

please let me know which additional information you need. thank you for any help you can provide!

1 - so only Pacman -Syyu or -Syyu not -Syuu
2 - you can add more kernels , and select them on Grub > advanced
see this

3 - then add

sudo mhwd-kernel -i linux515 
sudo mhwd-kernel -i linux60
sudo mhwd-kernel -i linux61

reboot and remove old kernel (EOL) 5.19

sudo mhwd-kernel -r linux519

no effect, thanks though.