Commit b4ed131d authored Apr 17, 2020 by Jani Nikula

drm/i915/audio: error log non-zero audio power refcount after unbind

We have some module unload/reload tests hitting an issue with i915
unbinding the component interface before the audio driver has properly
put the power. Log an error about it for ease of debugging. (Normally
this leads to a wakeref debug splat on the power well.)

Cc: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200417065132.23048-1-jani.nikula@intel.com

parent 27be41de

drivers/gpu/drm/i915/display/intel_audio.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1284,6 +1284,10 @@ static void i915_audio_component_unbind(struct device *i915_kdev,
		drm_modeset_unlock_all(&dev_priv->drm);

		device_link_remove(hda_kdev, i915_kdev);

		if (dev_priv->audio_power_refcount)
		drm_err(&dev_priv->drm, "audio power refcount %d after unbind\n",
		dev_priv->audio_power_refcount);
		}

		static const struct component_ops i915_audio_component_bind_ops = {