drm/i915: Use mode_config.mutex in ironlake_panel_vdd_work

Use of the struct_mutex is not correct for locking in mode setting paths. Signed-off-by: Keith Packard <keithp@keithp.com>
git-mirror · Nov 1, 2011 · 627f767 · 627f767
1 parent c5e62bd
commit 627f767
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
@@ -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)