Hello StefanZ,
Thank you for posting on our forum.
I have analyzed your log files and it seems that the issue comes from the monitor that reports only the lowest possible resolution to our driver which than chooses it as there are no other.
I have verified also EDID file of your monitor and it looks like there are some errors which may be causing issues with transferring data to our driver.
The only recommendation I have right now is to switch cables used with that monitor and test different ports on the monitor.
In case of any further questions, please post them here or contact us directly on our email address:
technical-enquiries@synaptics.com
Kind regards,
Jakub