[12/21] drm/i915/hotplug: Track temporary rpm wakeref

Submitted by Chris Wilson on Jan. 10, 2019, 10:11 a.m.

Details

Message ID 20190110101152.15651-13-chris@chris-wilson.co.uk
State Under Review
Headers show
Series "Series without cover letter" ( rev: 1 ) in Intel GFX

Not browsing as part of any series.

Commit Message

Chris Wilson Jan. 10, 2019, 10:11 a.m.
Keep track of the temporary rpm wakeref inside hotplug detection, so
that we can cancel it immediately upon release and so clearly identify
leaks.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_hotplug.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

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diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c
index b1a9cb960ca4..e027d2b4abe5 100644
--- a/drivers/gpu/drm/i915/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/intel_hotplug.c
@@ -226,9 +226,10 @@  static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
 		container_of(work, typeof(*dev_priv),
 			     hotplug.reenable_work.work);
 	struct drm_device *dev = &dev_priv->drm;
+	intel_wakeref_t wakeref;
 	enum hpd_pin pin;
 
-	intel_runtime_pm_get(dev_priv);
+	wakeref = intel_runtime_pm_get(dev_priv);
 
 	spin_lock_irq(&dev_priv->irq_lock);
 	for_each_hpd_pin(pin) {
@@ -261,7 +262,7 @@  static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
 		dev_priv->display.hpd_irq_setup(dev_priv);
 	spin_unlock_irq(&dev_priv->irq_lock);
 
-	intel_runtime_pm_put_unchecked(dev_priv);
+	intel_runtime_pm_put(dev_priv, wakeref);
 }
 
 bool intel_encoder_hotplug(struct intel_encoder *encoder,