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

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

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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.lists@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 <charlene.liu@amd.com>
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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[Bug 104391] DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first

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

--- Comment #1 from Andy Furniss <adf.lists@gmail.com> ---
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

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

Charlene <charlene.liu@amd.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED

--- Comment #2 from Charlene <charlene.liu@amd.com> ---
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

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

--- Comment #3 from Andy Furniss <adf.lists@gmail.com> ---
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

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

--- Comment #4 from Andy Furniss <adf.lists@gmail.com> ---
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

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

--- Comment #5 from Andy Furniss <adf.lists@gmail.com> ---
Created attachment 138816
  --> https://bugs.freedesktop.org/attachment.cgi?id=138816&action=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

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

--- Comment #6 from Andy Furniss <adf.lists@gmail.com> ---
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

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

Roman Li <roman.li@amd.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |roman.li@amd.com

--- Comment #7 from Roman Li <roman.li@amd.com> ---
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

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

--- Comment #8 from Andy Furniss <adf.lists@gmail.com> ---
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

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

--- Comment #9 from Andy Furniss <adf.lists@gmail.com> ---
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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https://bugs.freedesktop.org/show_bug.cgi?id=104391

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|ASSIGNED                    |RESOLVED

--- Comment #10 from Martin Peres <martin.peres@free.fr> ---
-- 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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