[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|ASSIGNED|RESOLVED

--- Comment #10 from Martin Peres  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/281.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #9 from Andy Furniss  ---
I have a new TV now and can't get hdmi audio working at all.

Maybe my use/setup of alsa doesn't help, but IIRC I did try and fail with a
fedora live USB as well.

It works perfectly if I boot into Windows 7, so I know this TV/card combo is
OK.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #8 from Andy Furniss  ---
I tried agd5f drm-next-4.19-wip, which reports
[drm] Display Core initialized with v3.1.47

but still no sound.

The warning/bt in dmesg is not there any more.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

Roman Li  changed:

   What|Removed |Added

 CC||roman...@amd.com

--- Comment #7 from Roman Li  ---
There were a couple of fixes wrt HDMI audio in DC v3.1.47. They've been merged
today to https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #6 from Andy Furniss  ---
It seems that

HDMI has no sound after Panel power off/on

is the cause of the warnings.

I tested 4.18-wip, no sound of course but nothing in dmesg.

I then applied "HDMI has no sound after Panel power off/on" as a patch and get
no sound + the warnings in dmesg on enabling the TV.

Remove the patch, then 

git revert cfb071f7a9673109415d097125b3c12c16836acc 

= working sound.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #5 from Andy Furniss  ---
Created attachment 138816
  --> https://bugs.freedesktop.org/attachment.cgi?id=138816=edit
dmesg with hdmi warnings

Hmm, maybe something else is going wrong.

I am getting hdmi warnings in dmesg (attached) when enabling the TV - I haven't
seen these before when testing this issue.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #4 from Andy Furniss  ---
What is the fix?

I see drm/amd/display: HDMI has no sound after Panel power off/on

just went in agd5f drm-next-4.17

But this does not fix this issue.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #3 from Andy Furniss  ---
Thanks, I'll close when the fix makes it into something public.

Current agd5f drm-next-4.18-wip still has the issue.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

Charlene  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED

--- Comment #2 from Charlene  ---
This issue is related to AFMT_CNTL's AFMT_AUDIO_CLOCK_EN. sequence issue.
fixed.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

--- Comment #1 from Andy Furniss  ---
Bump!

Still broken on latest drm-next-4.17-wip.
Tried booting with both screens on, no better.

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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=104391

Bug ID: 104391
   Summary: DC R9 285 HDMI audio regression since drm/amd/display:
try to find matching audio inst for enc inst first
   Product: DRI
   Version: DRI git
  Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
  Severity: normal
  Priority: medium
 Component: DRM/AMDgpu
  Assignee: dri-devel@lists.freedesktop.org
  Reporter: adf.li...@gmail.com

R9 285 Tonga with DC (only DC ever worked for HDMI audio with this card/TV
combo)

Haven't tested any other use cases other than mine = 

HDMI TV is off DVI-D monitor is on with X running, Turn on TV, do 
xrandr --output HDMI-A-0 --auto && xrandr --output HDMI-A-0 --below DVI-D-0

Since this commit I get no sound.

commit cfb071f7a9673109415d097125b3c12c16836acc
Author: Charlene Liu 
Date:   Wed Nov 15 18:55:57 2017 -0500

drm/amd/display: try to find matching audio inst for enc inst first

[Description]
in eDP+ HDMI/DP clone or extended configuration, audio inst changed from
inst 1 to inst0.
No failure related this though, just playback device endpoint inst changed.
Also  remove one addition register read.

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