[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

            Bug ID: 95358
           Summary: Tonga no hdmi audio on DAL 4.7 works on DAL 4.6
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: adf.lists@gmail.com

I have lost HDMI audio with adg5f drm-next-4.7-wip-dal

It worked with 4.6 dal branch.

I can't bisect 4.7 as I can't find a working - if I go too far back I die on
boot and need hard reset or get no display.

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[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

--- Comment #1 from Andy Furniss <adf.lists@gmail.com> ---
FWIW I found an old build of 4.7-dal that did have sound - though it was early,
23rd March and I don't have any builds in between.

I see if I git reset --hard 4.5.0-rc7-g629edea (the version of that build)
I can get a new working build and seemingly git history from that time.

If I had more builds I guess I could narrow it down like that - but I don't and
I don't know how get the historic head versions from git - is that possible?

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[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

--- Comment #2 from Felix Schwarz <felix.schwarz@oss.schwarz.eu> ---
(In reply to Andy Furniss from comment #1)
> If I had more builds I guess I could narrow it down like that - but I don't
> and I don't know how get the historic head versions from git - is that
> possible?

Maybe I completely misunderstood your question but did you try "git checkout
<COMMIT>"? As far as I can see the main challenge might be to get these commit
ids as the DAL branches are rebased regularly, right? "git reflog" might be an
option but it might be a bit tedious to search through the big amount of
commits.

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[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

--- Comment #3 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Felix Schwarz from comment #2)
> (In reply to Andy Furniss from comment #1)
> > If I had more builds I guess I could narrow it down like that - but I don't
> > and I don't know how get the historic head versions from git - is that
> > possible?
> 
> Maybe I completely misunderstood your question but did you try "git checkout
> <COMMIT>"? As far as I can see the main challenge might be to get these
> commit ids as the DAL branches are rebased regularly, right?

Yea, I mainly test the non dal branch so it is the commit hashes I am missing.

I would need to be able to checkout based on date really I think.

>"git reflog"
> might be an option but it might be a bit tedious to search through the big
> amount of commits.

Thanks, I've never used that before, it seems to be just a history of what I
did, which doesn't really help as I wasn't on the dal branch mostly, but is
useful to know for the future as its now worth me just switching around various
branches even if I know I don't have time to build and test every one.

Saying that it looks like I did switch to it but didn't build, so I do have
something else to try.

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[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

--- Comment #4 from Andy Furniss <adf.lists@gmail.com> ---
Possible progress with the git aspect - while reading about reflog I saw a
comment which lead me to doing - 

git log --walk-reflogs origin/drm-next-4.7-wip-dal

which apparently gets me a sha for every time I did git fetch origin and dal
got updated.

Looks promising, but I haven't had time to test it out yet.

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[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

--- Comment #5 from Andy Furniss <adf.lists@gmail.com> ---
After more testing with older versions of drm-next-4.7-wip-dal

it seems that this stopped working after the rebase on top of 4.6.

I can't be sure of course, but I can't so far find a working on anything after
a version that was based on 4.5.0-rc7, the next I can test is on top of
4.6.0-rc2
and even if I set its history to look much like the working it doesn't work.

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[Bug 95358] Tonga no hdmi audio on DAL 4.7 works on DAL 4.6

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https://bugs.freedesktop.org/show_bug.cgi?id=95358

Andy Furniss <adf.lists@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #6 from Andy Furniss <adf.lists@gmail.com> ---
I guess DAL work is all happening in the staging branches now and with current
amd-staging-4.7 HDMI sound is working OK for me.

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