Comment # 81 on bug 1177428 from Karl Mistelberger

(In reply to Takashi Iwai from comment #80)
> Interesting, so it's likely either the kernel update to 5.9.x or the fix of
> kernel-firmware-amdgpu took effect.

There is the old kernel in http://download.opensuse.org/tumbleweed/repo/oss/
and new firmware in http://download.opensuse.org/update/tumbleweed/

i+ | kernel-default              | package | 5.8.14-1.2   | x86_64 |
Haupt-Repository (OSS)
i+ | kernel-firmware-all         | package | 20201005-3.1 | noarch |
Hauptaktualisierungs-Repository
i+ | kernel-firmware-amdgpu      | package | 20201005-3.1 | noarch |
Hauptaktualisierungs-Repository

...

i  | kernel-firmware-usb-network | package | 20201005-3.1 | noarch |
Hauptaktualisierungs-Repository
i  | purge-kernels-service       | package | 0-7.2        | noarch |
Haupt-Repository (OSS)