Messages in this thread | | | Subject | Re: [PATCH 0/2] Associate ddc adapters with connectors | From | Andrzej Pietrasiewicz <> | Date | Wed, 26 Jun 2019 08:50:47 +0200 |
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W dniu 25.06.2019 o 16:20, 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
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