On Wed, 2022-11-09 at 22:17 +0000, Patrick O'Callaghan wrote:
On Wed, 2022-11-09 at 22:55 +0100, greg wrote:
> In order to disable i915 altogether, I used an option in bios/efi
> firmware.
> (I have an NVIDIA card and want to use it always/for any
> application.)
>
That would certainly be an option, though I'd prefer to avoid BIOS
settings id possible.
> > Is there some grub magic I need to do? I assumed this would be
> > automatic but it seems not.
>
> If the intention is to use either i915 or the AMD card depending on
> the application
> that is AMD Dynamic Switchable Graphics,
> I would suggest looking at
>
>
https://wiki.archlinux.org/title/PRIME#Gnome_integration
>
https://wiki.archlinux.org/title/PRIME
>
https://wiki.archlinux.org/title/ATI
>
https://wiki.archlinux.org/title/AMDGPU
Still poring over that material, but in the meantime I did at least
manage to get screen output by using "Run on discrete graphics card"
from Gnome.
However a) I want to use KDE, and b) I still haven't managed to get
anything graphically interesting to work, i.e. Windows games via Steam,
which I have been able to run before now on the IGP.
Rebooting with only the AMD card connected to the monitor doesn't work
either. I may have to disable the IGP from the BIOS, but I can't
believe this is the only solution.
poc