[Intel-gfx] [PATCH] snd/hda, drm/i915: Track the display_power_status using a cookie

[Takashi Iwai]

On Wed, 13 Feb 2019 16:21:09 +0100,
Chris Wilson wrote:
> 
> drm/i915 is tracking all wakeref owners with a cookie in order to
> identify leaks. To that end, each rpm acquisition ops->get_power is
> assigned a cookie which should be passed to ops->put_power to signify
> its release (and removal from the list of wakeref owners). As snd/hda is
> already using a bool to track current status of display_power extending
> that to an unsigned long to hold the boolean cookie is a trivial
> extension, and will quell all doubt that snd/hda is the cause of the
> device runtime pm leaks.
> 
> v2: Keep using the power abstraction for local wakeref tracking.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Takashi Iwai <tiwai at suse.de>
> Cc: Jani Nikula <jani.nikula at intel.com>

Feel free to take my ack:
  Reviewed-by: Takashi Iwai <tiwai at suse.de>

Or let me know if you guys want to apply this through sound tree for
5.1 merge.


thanks,

Takashi