[Bug 63391] Radeon RS880 doesn't resume from suspend with radeon dpm enabled

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=63391

--- Comment #9 from Tasev Nikola <tasev.stefanoska at skynet.be> ---
Hi 

I finish the bisect today, here is the result.

1cd8b21aa22c4fe8835abe614da5fa989c66dca9 is the first bad commit
commit 1cd8b21aa22c4fe8835abe614da5fa989c66dca9
Author: Alex Deucher <alexander.deucher at amd.com>
Date:   Fri Sep 13 14:07:03 2013 -0400

    drm/radeon/dpm: rework auto performance level enable

    Calling force_performance_level() from set_power_state()
    doesn't work on some asics because the current power
    state pointer has not been properly updated at that point.
    Move the calls to force_performance_level() out of the
    asic specific set_power_state() functions and into
    the main power state sequence.

    Fixes dpm resume on SI.

    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>



I don't understand much about but looking the commit i didn't see
something related to RS880 . 

Here is the git bisect log just in case it possibly help : 

git bisect start                                                                
# bad: [4a10c2ac2f368583138b774ca41fac4207911983] Linux 3.12-rc2                
git bisect bad 4a10c2ac2f368583138b774ca41fac4207911983                         
# good: [272b98c6455f00884f0350f775c5342358ebb73f] Linux 3.12-rc1               
git bisect good 272b98c6455f00884f0350f775c5342358ebb73f
# bad: [b75ff5e84bb6c2d43a8ec39b240c80f0543821f0] Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
git bisect bad b75ff5e84bb6c2d43a8ec39b240c80f0543821f0
# bad: [e9ff04dd94d46c817bbb103531cdef6e7bd5d022] Merge branch 'for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
git bisect bad e9ff04dd94d46c817bbb103531cdef6e7bd5d022
# good: [3fe03debfc58aba8f5ddb32abd7343237d07714c] Merge branch 'for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
git bisect good 3fe03debfc58aba8f5ddb32abd7343237d07714c
# good: [42e169be3e4be6b6a85344ab219c7d57e158ad46] Merge branch
'drm-fixes-3.12' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
git bisect good 42e169be3e4be6b6a85344ab219c7d57e158ad46
# bad: [4f7d1bc973ec71dfeeb951765cafe1ff3a63243e] Merge branch
'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into
drm-fixes
git bisect bad 4f7d1bc973ec71dfeeb951765cafe1ff3a63243e
# bad: [1cd8b21aa22c4fe8835abe614da5fa989c66dca9] drm/radeon/dpm: rework auto
performance level enable
git bisect bad 1cd8b21aa22c4fe8835abe614da5fa989c66dca9
# good: [ce7b30e02578dda6b2263b05308c640f3b57d32c] drm/radeon/dpm/rs780: add
some sanity checking to sclk scaling
git bisect good ce7b30e02578dda6b2263b05308c640f3b57d32c
# good: [c2ee29d00266a9a80fb312042b14a56f8baf978d] drm/radeon/dpm/rs780: fix
force_performance state for same sclks
git bisect good c2ee29d00266a9a80fb312042b14a56f8baf978d
# good: [d592fca9407d065f0754ba29790c66ecbc0366ad] drm/radeon: Fix hmdi typo
git bisect good d592fca9407d065f0754ba29790c66ecbc0366ad

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