From: Chris Wilson <chris@chris-wilson.co.uk>
To: Sean Paul <seanpaul@chromium.org>, dri-devel@lists.freedesktop.org
Cc: marcheu@chromium.org
Subject: Re: [PATCH] drm/i915: Add lock on drm_helper_resume_force_mode
Date: Fri, 23 Mar 2012 12:57:43 +0000 [thread overview]
Message-ID: <aefc95$3j8v53@orsmga001.jf.intel.com> (raw)
In-Reply-To: <1332507178-2830-1-git-send-email-seanpaul@chromium.org>
On Fri, 23 Mar 2012 08:52:58 -0400, Sean Paul <seanpaul@chromium.org> wrote:
> i915_drm_thaw was not locking the mode_config lock when calling
> drm_helper_resume_force_mode. When there were multiple wake sources,
> this caused FDI training failure on SNB which in turn corrupted the
> display.
>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
prev parent reply other threads:[~2012-03-23 12:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-23 12:52 [PATCH] drm/i915: Add lock on drm_helper_resume_force_mode Sean Paul
2012-03-23 12:57 ` Chris Wilson [this message]
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