linux-kernel - Re: [Intel-gfx] [PATCH] drm/i915: Hook up Ivybridge eDP

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Date:	Fri, 18 Nov 2011 12:13:17 -0500
From:	Adam Jackson <ajax@...hat.com>
To:	Keith Packard <keithp@...thp.com>
CC:	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Hook up Ivybridge eDP

On 11/17/11 9:13 PM, Keith Packard wrote:
> On Thu, 17 Nov 2011 17:45:40 -0500, Adam Jackson<ajax@...hat.com>  wrote:
>
>> Your silicon people worry me.
>
> In any case, the changes are mostly to move bits around so that there
> are two bits for pipe select

Yeah, the patch looks like it could be correct, just shaking my head.

>> I don't even.  Unless you're looking at some other version of the DP
>> spec than me, I was pretty sure those weren't legal voltage values.  And
>> 3.5dB preemph on 1000mV gives you 1500mV at the peak, which is
>> definitely outside the spec.
>
> I'm just writing down what's in the spec. I don't use these values, just
> the useful ones above.
 >
> You don't happen to have any hardware to test this with, do you?

Not at the moment.  I'll see if I can dig something up though.

- ajax
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