[Bug][RKL] Runtime PM keeps active when in idle

[ClarexZhou]

Describe the bug
Runtime PM keeps active

To Reproduce
1.

1. "sudo reboot" to reboot
2. wait in idle for more than 5 seconds
3. cat "/sys/bus/pci/devices/0000:00:1f.3/power/runtime_status"

Reproduction Rate
5/5

Expected behavior
Runtime PM suspend

Impact
Runtime PM keeps active

Environment
Branch name and commit hash of the 2 repositories: sof (firmware/topology) and linux (kernel driver).
Kernel:Kernel:https://github.com/thesofproject/linux/commits/topic/sof-dev (commit: 9eb3d58)

• ASoC: intel/skl/hda - fix probe regression on systems without i915 #2270
  FW: master, commit 5564a90, sof-tgl.ri, workarround issue [Bug][RKL]FW load failed sof#3173
  Topology: rename sof-hda-generic-4ch.tplg
  Name of the platform(s) on which the bug is observed.
  Platform: RKL desktop with ALC711 in HDA mode

dmesg_PMactive.txt

[   63.156990] sof-audio-pci 0000:00:1f.3: pcm: stream dir 1, posn mailbox offset is 790604
[   63.159921] sof-audio-pci 0000:00:1f.3: In hda_link_pcm_trigger cmd=1
[   63.160482] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x2024001e successful
[   66.446998] systemd-udevd (2233) used greatest stack depth: 12456 bytes left
[   68.161705] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x240000 successful
[   68.161918] sof-audio-pci 0000:00:1f.3: In hda_link_pcm_trigger cmd=0
[   68.163711] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x140000 successful
[   68.163916] sof-audio-pci 0000:00:1f.3: In hda_link_pcm_trigger cmd=0
[   81.185646] sof-audio-pci 0000:00:1f.3: format_val=49, rate=48000, ch=2, format=10
[   81.185700] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x140000 successful
[   81.185778] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x40000 successful
[   81.185785] sof-audio-pci 0000:00:1f.3: period_bytes:0x3fc0
[   81.185786] sof-audio-pci 0000:00:1f.3: periods:4
[   81.186134] sof-audio-pci 0000:00:1f.3: pcm: stream dir 0, posn mailbox offset is 790528
[   81.188917] sof-audio-pci 0000:00:1f.3: In hda_link_pcm_trigger cmd=1
[   81.189457] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x14001e successful
[   87.897313] sof-audio-pci 0000:00:1f.3: FW Poll Status: reg=0x140000 successful
[   87.897521] sof-audio-pci 0000:00:1f.3: In hda_link_pcm_trigger cmd=0

[mengdonglin]

Transfer this issue to Linux repo as it seems not a firmware issue atm.