From: Adam Jackson <ajax@redhat.com>
To: Keith Packard <keithp@keithp.com>
Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Hook up Ivybridge eDP
Date: Fri, 18 Nov 2011 12:13:17 -0500 [thread overview]
Message-ID: <4EC6922D.8010306@redhat.com> (raw)
In-Reply-To: <yun8vnech3v.fsf@aiko.keithp.com>
On 11/17/11 9:13 PM, Keith Packard wrote:
> On Thu, 17 Nov 2011 17:45:40 -0500, Adam Jackson<ajax@redhat.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
prev parent reply other threads:[~2011-11-18 17:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-17 0:29 [PATCH] drm/i915: Hook up Ivybridge eDP Keith Packard
2011-11-17 22:45 ` [Intel-gfx] " Adam Jackson
2011-11-18 2:13 ` Keith Packard
2011-11-18 2:13 ` [Intel-gfx] " Keith Packard
2011-11-18 17:13 ` Adam Jackson [this message]
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