[Bug 76761] radeon DPM breaks suspend to disk and resume from RAM in 3.14

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=76761

--- Comment #3 from Vitaliy Filippov <vitalif@yourcmc.ru> ---
OK I did bisect.

The result is:

6c7bccea390853bdec5b76fe31fc50f3b36f75d5 is the first bad commit
commit 6c7bccea390853bdec5b76fe31fc50f3b36f75d5
Author: Alex Deucher <alexander.deucher@amd.com>
Date:   Wed Dec 18 14:07:14 2013 -0500

    drm/radeon/pm: move pm handling into the asic specific code

    We need more control over the ordering of dpm init with
    respect to the rest of the asic.  Specifically, the SMC
    has to be initialized before the rlc and cg/pg.  The pm
    code currently initializes late in the driver, but we need
    it to happen much earlier so move pm handling into the asic
    specific callbacks.

    This makes dpm more reliable and makes clockgating work
    properly on CIK parts and should help on SI parts as well.

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

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