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    SubjectRe: [PATCH 18/21] drm/i915: Disable eDP VDD in a delayed work proc instead of synchronously
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    On Thu, 29 Sep 2011 18:09:50 -0700, Keith Packard <keithp@keithp.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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