I am on my 4th full driver and Adrenalin reinstall today thanks to Eyefinity crashing and/or failing.
I'm at the point when I'm afraid to change any video setting, or even reboot my PC thanks to how awful this implementation is.
Eyefinity will fail for whatever reason, and lock my 3 displays into clone mode. The only way to get them out of clone mode is a full driver uninstall with DDU and then a full reinstall. I lose an hour or more of my day every time this happens.
Searches online show this bug dating back as far as 2020. This is unacceptable and needs to be fixed. Fix the feature, replace it, or admit you're incapable of doing either and delete it.