[Intel-gfx] [PATCH] drm/i915: disable hotplug detect before Ironlake CRT detect
eric at anholt.net
Mon Jan 25 17:53:36 CET 2010
On Mon, 25 Jan 2010 10:35:16 +0800, Zhenyu Wang <zhenyuw at linux.intel.com> wrote:
> On 2009.12.08 23:33:23 -0800, Eric Anholt wrote:
> > This seems like yet another instance of "we need to turn off hotplug
> > detection during the detection process" -- can we just do that already?
> Sorry for ignore this one... Here's current refreshed patch.
> From f18aaedb814e3c797bcbbbb885f74ff701dd9d85 Mon Sep 17 00:00:00 2001
> From: Zhenyu Wang <zhenyuw at linux.intel.com>
> Date: Mon, 25 Jan 2010 10:23:10 +0800
> Subject: [PATCH] drm/i915: disable hotplug detect before Ironlake CRT detect
> This trys to fix CRT detect loop hang seen on some Ironlake form
> factor, to clear up hotplug detect state before taking CRT detect
> to make sure next HPD cycle is consistent.
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