Re: F36 Change proposal: Replace the fbdev drivers with simpledrm and the DRM fbdev emulation layer (System-Wide Change proposal)

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On Tue, Oct 26, 2021 at 6:01 PM Neal Gompa <ngompa13@xxxxxxxxx> wrote:
>
> On Tue, Oct 26, 2021 at 11:27 AM Ben Cotton <bcotton@xxxxxxxxxx> wrote:
> >
> > https://fedoraproject.org/wiki/Changes/ReplaceFbdevDrivers
> >
> > == Summary ==
> >
> > This change replaces the legacy Linux frame buffer device (fbdev)
> > drivers that are still used in Fedora, with the latest simpledrm
> > driver and the DRM fbdev emulation layer.
> >
>
> I'd like to see this coupled with the addition of a flag so we can
> change "basic graphics mode" to force this. There's already a proposed
> patch series upstream for this[1], so I think this isn't too hard to
> achieve.
>

Agreed. I've set up a COPR that has a kernel build with the needed
config changes and the patches you mentioned. In case someone wants to
give a try to this:

https://copr.fedorainfracloud.org/coprs/javierm/simpledrm/

> This would unblock closing the remaining gaps on the X11->Wayland
> transition, since Mutter doesn't support fbdev for Wayland, and KWin's
> Wayland session doesn't work with fbdev on our kernel for some reason.
>

Indeed, I think that using simpledrm would be an improvement over efifb.

Best regards,
Javier
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