[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 #50 from Lukas Wunner <lukas at wunner.de> ---
(In reply to Denis Lisov from comment #45)
> (In reply to Lukas Wunner from comment #37)
> > Related to this issue, I've just posted v2 of my patch set to use a device
> > link for power management of GPU-integrated HDA controllers:
> > https://lists.freedesktop.org/archives/dri-devel/2018-March/168012.html
> > 
> > It would be great if more people could test it. There's a 4.15-based branch
> > available at:
> > https://github.com/l1k/linux/commits/switcheroo_devlink_v2
> 
> Tested these patches on Lenovo Thinkpad P50. Audio works, the HDA and GPU
> suspend when unused with no errors in logs and resume when needed.
> HDA unbind/bind worked with no errors, some "Too big adjustment {128,384}"
> messages in dmesg.

Thank you, this helps greatly. I'll add your Tested-by to the commits so that
you get credit for your testing efforts.

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