(In reply to Ondrej Lang from comment #50)
> I tested this yesterday with kernel 5.1.8 and if=
 the file raven_dmcu.bin is
> present in the /lib/firmware/amdgpu/ folder when you are updating the =
kernel
> (or manually rebuilding the initramfs), the computer will boot with a =
blank
> screen next time.
>=20
> There are 2 pieces to this. The linux-firmware package provides the bi=
nary
> files (i.e. the raven_dmcu.bin) so every time this package gets update=
d, you
> should rename/move the file and rebuild the initramfs. The linux-firmw=
are
> updates are not as frequent as the kernel updates so if you do the
> workaround, you might go through several kernel updates without issues=
, but
> once linux-firmware updates, you have to repeat the workaround...
>=20
> All the patch in the kernel will do is to ignore the raven_dmcu.bin fi=
le
> automatically (for raven 1 cpus) when building the initramfs so you do=
n't
> have to rename/move it every time linux-firmware updates.

You're right, I had updated to 5.1.15 and it seemed the firmware files were
updated as well. I then had to perform the workaround in order to boot into=
 the
system.