[Bug 75038] [HSW HDMI] HD Audio with 44.1 khz not working when refreshrate > 30hz

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75038

--- Comment #16 from Mengdong Lin <mengdong.lin at intel.com> ---
This issue may be (In reply to Alex Shturm from comment #10)
> speaker-test -D plughw:0,3 -r 44100 -- does not work
> speaker-test -D plughw:0,3 -r 48000 -- works
> speaker-test -D plughw:0,3 -r 44100 -- now works !!
> 
> $ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> card 1: PCH [HDA Intel PCH], device 0: ALC283 Analog [ALC283 Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0

Hi Alex, could you try another HDMI or DisplayPort monitor?

IIFC, we met a similar issue before for a specific monitor before:
48000 ... does not work
44100 ... works
48000 ... now works

But other monitor does not have this problem with the same kernel and the
display audio register dump are same. So we could not give a fix in the audio
driver. I'll try to check that if that bug was fixed with gfx driver update.

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