[Bug 89327] Loss of HDMI audio on auto screen off (energy saving)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89327

--- Comment #12 from Dieter Nützel <Dieter at nuetzel-hh.de> ---
Bisected

6f945693be7eea24b1a8e5ce252a96df98d55a5c is the first bad commit
commit 6f945693be7eea24b1a8e5ce252a96df98d55a5c
Author: Slava Grigorev <slava.grigorev at amd.com>
Date:   Wed Dec 10 14:52:43 2014 -0500

    radeon/audio: applied audio_dpms() and audio_mode_set() calls

    Reviewed-by: Christian König <christian.koenig at amd.com>
    Signed-off-by: Slava Grigorev <slava.grigorev at amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

:040000 040000 33622643fd03f2afac723aa1356fe9c638a8fb3c
fac1a0f988f61f513a75af0b0e55cccc4246d500 M drivers

git bisect start
# bad: [308de41ba3bde80d50833718a2e37e49be868f5a] drm/radeon: use NULL rather
then 0 in audio detect
git bisect bad 308de41ba3bde80d50833718a2e37e49be868f5a
# good: [49ead33b9f0e0ba0b528951a05986486196848ef] drm/radeon: comment out some
currently unused 7xx dpm code
git bisect good 49ead33b9f0e0ba0b528951a05986486196848ef
# good: [64424d6e45aeee311a4231def7e125bcc2de0855] radeon/audio: consolidate
update_acr() functions (v2)
git bisect good 64424d6e45aeee311a4231def7e125bcc2de0855
# good: [3be2e7d0e705621c1bb41eeabb63b122d50ecff3] radeon/audio: moved mute
programming to a separate function
git bisect good 3be2e7d0e705621c1bb41eeabb63b122d50ecff3
# bad: [6f945693be7eea24b1a8e5ce252a96df98d55a5c] radeon/audio: applied
audio_dpms() and audio_mode_set() calls
git bisect bad 6f945693be7eea24b1a8e5ce252a96df98d55a5c
# good: [6e72376dcc663e4b8a00cdd08f61a8623f572ef1] radeon/audio: consolidate
audio_mode_set() functions
git bisect good 6e72376dcc663e4b8a00cdd08f61a8623f572ef1
# first bad commit: [6f945693be7eea24b1a8e5ce252a96df98d55a5c] radeon/audio:
applied audio_dpms() and audio_mode_set() calls

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