Comment # 58 on bug 1177428 from Takashi Iwai

(In reply to Christian Hartmann from comment #57)
> So, I've just checked going back to the official released version and boot
> fails.

OK.  Did you uninstall kernel-firmware-amdgpu package once?  Or only
upgrade/downgrade the package?  If it's the latter case, try the following:

- Uninstall kernel-firmware-amdgpu once
  % zypper rm -u kernel-firmware-amdgpu

- Remove stale files in /lib/firmware/amdgpu, if any
  % rm -f /lib/firmware/amdgpu

- Install the kernel-firmware-amdgpu package again from TW
  % zypper in kernel-firmware-amdgpu-20201005
  (pass some option to specify the repo or specify the proper rpm release
number to get the TW package.)

I guess this would make it working for yours, too.

In anyway, it seems that the symlink version of fdupes works better, and I'm
going to submit it now.