From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 75985] [NVC1] HDMI audio device only visible after rescan
Date: Fri, 04 Oct 2019 00:21:25 +0000 [thread overview]
Message-ID: <bug-75985-8800-GVwJHcKCx6@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-75985-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=75985
--- Comment #108 from Daniel Drake <dan-LrsmPHowOvpd3aXB8m+yKQ@public.gmane.org> ---
If codec devices are always child devices of the controller, then I also wonder
if codec_powered could be completely removed.
Seems like the PM core already ensures the children are inactive before
suspending the controller:
> The idle callback (a subsystem-level one, if present, or the driver one) is
> executed by the PM core whenever the device appears to be idle, which is
> indicated to the PM core by two counters, the device's usage counter and the
> counter of 'active' children of the device.
>
> * If any of these counters is decreased using a helper function provided by
> the PM core and it turns out to be equal to zero, the other counter is
> checked. If that counter also is equal to zero, the PM core executes the
> idle callback with the device as its argument.
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next prev parent reply other threads:[~2019-10-04 0:21 UTC|newest]
Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 15:56 [Bug 75985] New: HDMI audio device only visible after rescan bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
[not found] ` <bug-75985-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2014-03-10 16:00 ` [Bug 75985] [NVC1] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-03-10 16:15 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-03-10 23:14 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-03-10 23:14 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-09-15 23:52 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2014-09-16 6:33 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2016-07-16 17:20 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2016-11-05 22:30 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2016-12-22 23:04 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2016-12-22 23:05 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-09-26 10:04 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-09-26 22:50 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-09-28 12:33 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-09-30 2:45 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-10-04 21:39 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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2019-10-04 0:21 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ [this message]
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