Re: Pinebook Pro

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Sep 19, 2022 at 04:57:21PM +0100, Robert Swindells wrote:
> 
> Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> >On Mon, Sep 19, 2022 at 04:22:43PM +0100, Robert Swindells wrote:
> >> Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> >> > I'm interested in Lima supoort :)
> >> 
> >> For which SoC?
> >
> > A20, mainly. I also have an A64 lying around.
> 
> The lima (and panfrost) drivers need to work with a DRM framebuffer,
> they share buffers between the GPU and framebuffer that MesaLib writes
> to in userland.
> 
> The A20 console driver in the tree isn't a DRM framebuffer. I have done
> a bit of work on converting it to a DRM driver as my Cubietruck has a
> good selection of display connectors to try but haven't finished it.
> Help on this bit would be welcome.

As the author of the A20 framebuffer driver I can probably help with this :)

Is there a specification of a DRM framebuffer available ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--