Comment # 29 on bug 1174278 from Ingo G�ppert

(In reply to Takashi Iwai from comment #24)
[...]
> So, could you check the following?
> - Uninstall kernel-firmware-amdgpu package once
>   % zypper rm -u kernel-firmware-amdgpu
> 
> - Remove the stale files in /lib/firmware/amdgpu (if any)
>   % rm -rf /lib/firmware/amdgpu

Directory was removed completely.

> 
> - Install the latest package from TW
>   % zypper in kernel-firmware-amdgpu-20201005

Done. Only the first time booting with the new firmware the external monitor
was not working (internal was ok). I had to put the laptop out of the docking
station and put it in again. Since then everything works fine. Done several
reboots, no problems with the display anymore.

Thanks.