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

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Message-ID: <yun8vnech3v.fsf@aiko.keithp.com>
Date:	Thu, 17 Nov 2011 18:13:56 -0800
From:	Keith Packard <keithp@...thp.com>
To:	Adam Jackson <ajax@...hat.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 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

> 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?

-- 
keith.packard@...el.com

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