From: Roy Spliet nouveau@spliet.org

[ Upstream commit 3ba21113bd33d49f3c300a23fc08cf114c434995 ]

This fixes runtime PM not working after a suspend-to-RAM cycle at least for the codec-less HDA device found on NVIDIA GPUs.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207043 Signed-off-by: Roy Spliet nouveau@spliet.org Link: https://lore.kernel.org/r/20200413082034.25166-7-tiwai@suse.de Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- sound/pci/hda/hda_intel.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 4604d1e16150d..9f77713c36de6 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2320,8 +2320,10 @@ static int azx_probe_continue(struct azx *chip)

set_default_power_save(chip);

- if (azx_has_pm_runtime(chip)) + if (azx_has_pm_runtime(chip)) { + pm_runtime_use_autosuspend(&pci->dev); pm_runtime_put_autosuspend(&pci->dev); + }

out_free: if (err < 0) {