linux-kernel - Re: [PATCH 18/21] drm/i915: Disable eDP VDD in a delayed work proc instead of synchronously

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Message-Id: <d08817$1mllv9@azsmga001.ch.intel.com>
Date:	Fri, 30 Sep 2011 11:31:45 +0100
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Keith Packard <keithp@...thp.com>, Dave Airlie <airlied@...hat.com>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	intel-gfx@...ts.freedesktop.org, Keith Packard <keithp@...thp.com>
Subject: Re: [PATCH 18/21] drm/i915: Disable eDP VDD in a delayed work proc instead of synchronously

On Thu, 29 Sep 2011 18:09:50 -0700, Keith Packard <keithp@...thp.com> wrote:
> +static void ironlake_panel_vdd_work(struct work_struct *__work)
> +{
> +	struct intel_dp *intel_dp = container_of(to_delayed_work(__work),
> +						 struct intel_dp, panel_vdd_work);
> +	struct drm_device *dev = intel_dp->base.base.dev;
> +
> +	mutex_lock(&dev->struct_mutex);
> +	ironlake_panel_vdd_off_sync(intel_dp);
> +	mutex_unlock(&dev->struct_mutex);

I think you want the dev->mode_config.mutex here.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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