> --8<---------------cut here---------------start------------->8---
> The amdgpu kernel module should load fine automatically on system boot.
> 
> If it does not happen, then:
> 
> Make sure to #Enable Southern Islands (SI) and Sea Islands (CIK) support
> when needed.
> Make sure you have the latest linux-firmware package installed. This
> driver requires the latest firmware for each model to successfully boot.
> Make sure you do not have nomodeset or vga= as a kernel parameter, since
> amdgpu requires KMS.
> Check that you have not disabled amdgpu by using any kernel module blacklisting.
> --8<---------------cut here---------------end--------------->8---

I read that, and my only guess is that I need the firmware then.
I wonder why I can modprobe "amdgpu" then, and what's the difference between
boot-time and run-time module loading.

> I think some explanations can be found in this thread:
> https://www.reddit.com/r/Amd/comments/950g8r/will_we_be_able_to_game_anytime_soon_using_amd/

Thanks for the links, that sheds some light on the matter indeed!

-- 
Pierre Neidhardt
https://ambrevar.xyz/