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

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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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