Amdgpu broken with fedora/44/x86_64/silverblue Version: 44.20260913.0

Following silverblue version broken amdgpu.

fedora:fedora/44/x86_64/silverblue
Version: 44.20260913.0 (2026-09-13T00:50:48Z)
BaseCommit: 7fb21146b65c08b3dd69699e450358548507084fde652c4adb3f7cb32576aefc

Log show below message and can’t change screen brightness.

Same issue.

GPU: Radeon 680M (integrated in Ryzen7 7735H)
Log: Spectra Clipboard

Upstream seems to be dealing with this already: #5803 #5805 #5809 #5813, maybe we just need to wait for a hotfix.

For temporary mitigation, see

Final solution for those with the 680M problem (issues about the solution, please in the topic I posted it and add the data I requested for that case!):

Because there had been already several, partially dangerous, ideas of how to mitigate in some of the topics about this, I select this as solution so that users are led here before they attempt one of them: the OP is free to change this choice if they disagree!