From: Keith Packard <keithp@keithp.com>
To: Jesse Barnes <jbarnes@virtuousgeek.org>, intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs
Date: Thu, 21 Jun 2012 18:13:19 -0700 [thread overview]
Message-ID: <86pq8sqhcg.fsf@sumi.keithp.com> (raw)
In-Reply-To: <1340316830-15601-1-git-send-email-jbarnes@virtuousgeek.org>
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Jesse Barnes <jbarnes@virtuousgeek.org> writes:
> High frequency link configurations have the potential to cause trouble
> with long and/or cheap cables, so prefer slow and wide configurations
> instead. This patch has the potential to cause trouble for eDP
> configurations that lie about available lanes, so if we run into that we
> can make it conditional on eDP.
I *have* run into this on eDP machines already, which is why the code
loops this way today...
--
keith.packard@intel.com
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next prev parent reply other threads:[~2012-06-22 1:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-21 22:13 [PATCH] drm/i915: prefer wide & slow to fast & narrow in DP configs Jesse Barnes
2012-06-22 1:13 ` Keith Packard [this message]
2012-06-22 9:05 ` Chris Wilson
2012-06-22 14:21 ` Adam Jackson
2012-06-22 16:29 ` Jesse Barnes
2012-06-22 17:42 ` Keith Packard
2012-06-22 17:40 ` Keith Packard
2012-06-22 17:53 ` Chris Wilson
2012-07-04 7:42 ` Daniel Vetter
2012-08-06 0:12 ` [3.2.y, 3.4.y, 3.5.y] " Jonathan Nieder
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