Using AMD GPUs on Raspberry Pi Without Recompiling Linux
jeffgeerling.com
jeffgeerling.com
For NixOS and Gentoo, for example, all the firmware you will probably ever need is included in one big package: linux-firmware. Install that, and you are pretty much done and ready to use almost everything connected on your computer without any problems.
Almost, because there's one big exception: Nvidia video cards. Which will need their own proprietary drivers to run properly. AMD works out of the box...