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

--- Comment #110 from Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org> ---
(In reply to Przemysław Kopa from comment #109)
> Created attachment 145640 [details]
> Dmesg dump to present the problem of NVIDIA HDA not suspending correctly #2.

Thanks. This is the same issue as bug #106957, only that one was for AMD cards
and yours is an Nvidia. It was fixed by commit 57cb54e53bdd ("ALSA: hda - Force
to link down at runtime suspend on ATI/AMD HDMI").

If you add "codec->link_down_at_suspend = 1;" to patch_nvhdmi() in
sound/pci/hda/patch_hdmi.c, the issue may go away.

The only question is whether your card's revision_id is listed in
snd_hda_id_hdmi[] such that patch_nvhdmi() is executed for your card. What does
"cat /sys/bus/pci/devices/0000:01:00.1/hdaudioC1D0/revision_id" say?

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