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drm/i915: Use mode_config.mutex in ironlake_panel_vdd_work

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Use of the struct_mutex is not correct for locking in mode setting paths.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2011-10-31 11:30:10 -07:00
commit 627f7675f0
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/intel_dp.c
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@ -971,9 +971,9 @@ static void ironlake_panel_vdd_work(struct work_struct *__work)
struct intel_dp, panel_vdd_work);
struct drm_device *dev = intel_dp->base.base.dev;
mutex_lock(&dev->struct_mutex);
mutex_lock(&dev->mode_config.mutex);
ironlake_panel_vdd_off_sync(intel_dp);
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->mode_config.mutex);
}
static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync)