Bug 110916

Summary:

The audio playback does not work anymore after suspend & resume on ASUS E406MA

Product:

DRI

Reporter:

jian-hong

Component:

DRM/Intel

Assignee:

Intel GFX Bugs mailing list <intel-gfx-bugs>

Status:

RESOLVED FIXED

QA Contact:

Intel GFX Bugs mailing list <intel-gfx-bugs>

Severity:

major

Priority:

medium

CC:

intel-gfx-bugs, tiwai, ville.syrjala

Version:

XOrg git

Hardware:

x86-64 (AMD64)

OS:

Linux (All)

Whiteboard:

Triaged

i915 platform:

GLK

i915 features:

display/audio

Attachments:

Description	Flags
The dmesg with drm.debug=0xe in boot command	none
The dmesg with drm.debug=0xe and snd_hda_intel.probe_mask=0x01 in boot command	none
The dmesg with drm-tip tree and drm.debug=0xe in boot command	none

Description jian-hong 2019-06-14 05:27:03 UTC

Created attachment 144537 [details]
The dmesg with drm.debug=0xe in boot command

We have an ASUS E406MA laptop equipped with Intel N5000 CPU.  After system suspend & resume, the audio playback does not work anymore. The device for sound output is listed as a headphone device.  Plugging in headphones no sound is audible neither.

The kernel is Linux stable 5.1.9.

Here are the error messages after resume:

[   65.532457] snd_hda_intel 0000:00:0e.0: No response from codec, disabling MSI: last cmd=0x20bf8100
[   66.536453] snd_hda_intel 0000:00:0e.0: azx_get_response timeout, switching to single_cmd mode: last cmd=0x20bf8100
[   66.738975] snd_hda_codec_realtek hdaudioC0D0: Unable to sync register 0x2b8000. -5
[   66.741358] snd_hda_codec_realtek hdaudioC0D0: Unable to sync register 0x2b8000. -5
[   66.770874] snd_hda_codec_hdmi hdaudioC0D2: Unable to sync register 0x2f0d00. -5

This bug is also discussed in kernel bugzilla [1] and the mail list [2]

[1] https://bugzilla.kernel.org/show_bug.cgi?id=203623
[2] https://www.spinics.net/lists/stable/msg310395.html

Comment 1 jian-hong 2019-06-14 05:49:19 UTC

Created attachment 144538 [details]
The dmesg with drm.debug=0xe and snd_hda_intel.probe_mask=0x01 in boot command

I also follow Takashi's comment [1]

After add "snd_hda_intel.probe_mask=0x01" to boot command, the built-in audio (including internal speaker, mic and headset) works after resume, and there is no error message mentioned in comment #0.  However, the HDMI audio is not listed and cannot be used.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=203623#c5

Comment 2 Lakshmi 2019-06-14 08:02:10 UTC

Reporter, you have tried to verify the issue with drmtip (https://cgit.freedesktop.org/drm-tip)?

If so, can you attach the dmesg?

Comment 3 jian-hong 2019-06-14 09:33:47 UTC

Created attachment 144540 [details]
The dmesg with drm-tip tree and drm.debug=0xe in boot command

(In reply to Lakshmi from comment #2)

I tried with https://cgit.freedesktop.org/drm-tip
The attachment is the corresponding dmesg.

The test result is same as the comment: the audio works after resume.
https://bugzilla.kernel.org/show_bug.cgi?id=203623#c6

Comment 4 Ville Syrjala 2019-06-14 13:43:59 UTC

Hmm. I do see 
[   57.460391] [drm:intel_dump_cdclk_state [i915]] Changing CDCLK to 79200 kHz, VCO 633600 kHz, ref 19200 kHz, bypass 19200 kHz, voltage level 4
in the logs.

Ah, that's for the case when we disable all display pipes (glk_calc_cdclk(0) cases). Apparently we didn't add the audio cdclk requirement to those code paths :(

Comment 5 Ville Syrjala 2019-07-09 17:13:59 UTC

The backports went in I believe. We can close this.

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