mick crane composed on 2022-04-20 19:14 (UTC+0100):

>>       radeon.si_support=0 amdgpu.si_support=1

> I added that to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub but I 
> can't see what to put in /boot/grub/grub.cfg because I'm not supposed to 
> edit it and grub-mkconfig is automagical.

/boot/grub/grub.cfg is just a script that produces a boot menu. It can be 
edited,
but edits don't necessarily survive regeneration via grub-mkconfig, which is the
official way to incorporate changes to /etc/default/grub into 
/boot/grub/grub.cfg.

>> Switching between the two Xorg drivers can be done via config file in
>> /etc/X11/xorg.conf.d/ to specify either with a device line.

> what does that device line look like ?

Section "Device"
    Identifier "DefaultDevice"
        Driver "amdgpu"
EndSection
-- 
Evolution as taught in public schools is, like religion,
        based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata

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