drm/i915/hotplug: Track temporary rpm wakeref (6a712a20) · Commits · 戴 / test

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> Link: https://patchwork.freedesktop.org/patch/msgid/20190114142129.24398-12-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/intel_hotplug.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -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,

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