Re: [PATCH 0/2] Associate ddc adapters with connectors

[Andrzej Pietrasiewicz]

W dniu 25.06.2019 oÂ16:20, Daniel Vetter pisze:
> On Tue, Jun 25, 2019 at 03:10:32PM +0100, Russell King - ARM Linux admin wrote:
> > On Tue, Jun 25, 2019 at 04:07:55PM +0200, Daniel Vetter wrote:
> > > Otherwise I like this. Biggest problem I'm seeing here is rolling this out
> > > everywhere, this is a lot of work. And without widespread adoptions it's
> > > not terribly useful for userspace.
> >
> > There will be cases where it's not possible, because the I2C bus is
> > hidden behind a chip that doesn't give you direct access to the DDC
> > bus.
>
> Oh sure, plus lots of connectors where there's just not ddc bus at all.
> But if we only roll this out for a handful of drivers it's also not great,
> that's what I meant. Looking at
>
> $ git grep drm_do_get_edid
>
> there's only very few drivers where the ddc bus is hidden. There's a lot
> more where it's not, and I think a big series to tackle those would serve
> extremely well to make a case for this sysfs link.
> -Daniel

I will respond with a v3 then, including as many drivers as possible.
Those will be compile-tested only, though.

Andrzej