From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH] drm/i915: Wrap external callers to IPS
	state with appropriate locks
Date: Tue, 25 Sep 2012 14:55:16 +0100
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On Tue, 25 Sep 2012 14:25:09 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> Finishes commit 02d719562ef40483648b2cc46899d4a2ff5953bb
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date:   Thu Aug 9 16:44:54 2012 +0200
> 
>     drm/i915: properly guard ilk ips state
> 
> The core functions were annotated with their locking requirements, but
> we overlooked that they were exported, without any control over the
> locking, to debugfs. So in order to enable debugfs to read the registers
> without triggering sanity checks, we change the exported entry points to
> properly take the required locks before calling the core routines.

Pardon me, resent the wrong patch...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre