[Nouveau] [Bug 75985] [NVC1] HDMI audio device only visible after rescan

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75985

--- Comment #103 from Przemysław Kopa <prymoo at gmail.com> ---
(In reply to Daniel Drake from comment #102)
> Under /sys/bus/pci/devices/0000:01:00.1 you should see some subdirectories
> that are named hdaudioC?D?. Those subdirectories in turn have power
> subdirectories for runtime pm control.
> 
> In addition to the steps already taken, please could you set all the
> hdaudio* subdevices power/control to auto too, then use grep to dump the
> power/ directory contents for all of the hdaudio* devices there and the
> controller. And let us know if this has any effect on the issue at hand.

There are four of those - all of them were already set to "auto" on boot
(without me doing anything). HDA still stays active.

Here is the dump of "power" subdirectories:

/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/async:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/autosuspend_delay_ms:1000
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/control:auto
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/runtime_active_kids:0
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/runtime_active_time:226
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/runtime_enabled:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/runtime_status:suspended
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/runtime_suspended_time:117748
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/power/runtime_usage:0

/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/async:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/autosuspend_delay_ms:1000
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/control:auto
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/runtime_active_kids:0
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/runtime_active_time:242
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/runtime_enabled:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/runtime_status:suspended
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/runtime_suspended_time:117725
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D1/power/runtime_usage:0

/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/async:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/autosuspend_delay_ms:1000
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/control:auto
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/runtime_active_kids:0
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/runtime_active_time:275
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/runtime_enabled:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/runtime_status:suspended
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/runtime_suspended_time:117684
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D2/power/runtime_usage:0

/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/async:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/autosuspend_delay_ms:1000
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/control:auto
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/runtime_active_kids:0
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/runtime_active_time:264
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/runtime_enabled:enabled
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/runtime_status:suspended
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/runtime_suspended_time:117664
/sys/bus/pci/devices/0000:01:00.1/hdaudioC1D3/power/runtime_usage:0

/sys/bus/pci/devices/0000:01:00.1/power/async:enabled
grep: /sys/bus/pci/devices/0000:01:00.1/power/autosuspend_delay_ms: BÅ‚Ä…d
wejścia/wyjścia // translates to: "Input/output error"
/sys/bus/pci/devices/0000:01:00.1/power/control:auto
/sys/bus/pci/devices/0000:01:00.1/power/runtime_active_kids:0
/sys/bus/pci/devices/0000:01:00.1/power/runtime_active_time:127936
/sys/bus/pci/devices/0000:01:00.1/power/runtime_enabled:enabled
/sys/bus/pci/devices/0000:01:00.1/power/runtime_status:active
/sys/bus/pci/devices/0000:01:00.1/power/runtime_suspended_time:5389
/sys/bus/pci/devices/0000:01:00.1/power/runtime_usage:0
/sys/bus/pci/devices/0000:01:00.1/power/wakeup:disabled

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