My apologies for not including the specific version in my comment - I
tested linux-firmware package 1.187.27 from the focal proposed
repository.
ubuntu@ip-172-31-38-36:~$ apt list | grep linux-firmware/
linux-firmware/focal-proposed,now 1.187.27 all [installed]
--
You received this bug
This is working well! Amazon EC2 instances with AMD graphics are able to
initialize properly now, after installing the latest "linux-firmware"
and "linux-modules-extra-aws" packages from proposed.
ubuntu@ip-172-31-38-36:~$ sudo dmesg | grep "Initialized amdgpu"
[4.908132] [drm] Initialized
Public bug reported:
The 20.04 LTS linux-firmware package list was cut before the
amdgpu/navi12* firmware files were upstreamed to the Linux kernel
repository, which is unfortunate because this hardware is older than
some other included firmware (navi14*), and the firmware is required for
using
