Comment # 7 on bug 1177256 from Takashi Iwai

The problem is that the dracut config snippet contains
  fw_dir+="/lib/firmware/5.3.18-lp152.36-default"

and this *overrides* the whole firmware search path, not appending the given
one.
Meanwhile the standard amdgpu firmware is provided in /lib/firmware.  So this
path is no longer searched, hence the firmware loading fails.

So, the simplest solution would be to just drop the line above.

OTOH, if a KMP provides its own firmware in /lib/firmware/$VERSION and it must
use it, it becomes a problem, indeed, when the kmp is weak-linked to a
different kernel version.  Is this really the case?

If yes, we'd need to fix weak-modules2 script in suse-module-tools package to
deal with the firmware files in a weak-linked kmp, too.