Comment # 3 on bug 1072431 from Martin Pluskal

(In reply to Michal Suchanek from comment #2)
> I have the bonaire firmware on TW so just (selectively) updating the
> firmware might resolve the issue.
> 
> Another question is if the Leap drivers can take any real advantage of the
> firmware given bonaire is quite recent family.
> 
> Since it lists the firmware as requirement I would assume so.
> 
> This applies to all recent Radeon cards.
> 
> rpm -qf /lib/firmware/radeon/BONAIRE_uvd.bin
> kernel-firmware-20171009-3.1.noarch

Well if this firmware is really needed, and reporter is not just displeased
with warnings that dracut prints out you would have to do SLE-12 maint update
with those fw files added.

Bumping SLE-12 to Factory version is afaik out of question.