Re: [PATCH] drm/i915: Rip out SUPPORTS_EDP

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2013/9/24 Daniel Vetter <daniel@xxxxxxxx>:
> On Mon, Sep 23, 2013 at 02:04:43PM -0300, Paulo Zanoni wrote:
>> 2013/9/21 Daniel Vetter <daniel.vetter@xxxxxxxx>:
>> > It only controls the setting of the vbt.edp_support variable, which in
>> > turn only controls one debug output plus can also force-disable the
>> > lvds output.
>> >
>> > Since the value only restricted this logic to mobile ilk there's the
>> > slight risk that this will break lvds on desktop ilk or on snb/ivb
>> > platforms. But with the vbt it's better when we know what's going on
>> > here, so let's rip it out and see what happens.
>>
>> I think this is a little bit too risky, but the patch does what it
>> says in the box and also mentions the risk... I was going to give a
>> Reviewed-by tag and leave the merge-or-not-merge question to the
>> maintainer, but I noticed the patch is already even merged (by
>> accident?).
>
> I was lazy and didn't create a seperate branch for it ;-) Can I still
> smash your r-b on top?

Yes. Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

>
>> Are we aware of any real-world machines with eDP + LVDS?
>
> I haven't seen any of those. What has been observed in the wild is lvds +
> sdvo lvds, but I've never seen edp + some other panel anywhere ...

Now that I think more about it, we only have 1 set of panel power
sequencing registers. How would we do if we had 2 panels?


> -Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch



-- 
Paulo Zanoni
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