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

[bugzilla-daemon@bugzilla.kernel.org]

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

            Bug ID: 63391
           Summary: Radeon RS880 doesn't resume from suspend with radeon
                    dpm enabled
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.12-rc5
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: tasev.stefanoska@skynet.be
        Regression: No

Created attachment 111831
  --> https://bugzilla.kernel.org/attachment.cgi?id=111831&action=edit
Dmesg 3.12-rc5 with dpm enabled

Hi,

I found last week that my system with radeon RS880 doesn't resume from suspend
with radeon dpm enabled with kernel 3.12-rc5. Then i tested with kernel
3.12-rc2
to 3.12-rc4 this weekend with the same result. If i remove radeon.dpm=1 from
the command line in grub then everything works fine (like always on this
system).
It works also fine with kernel 3.11 with dpm enabled. I found no errors in
dmesg
an Xorg.0.log, both are attached. The kernels are from the ubuntu kernel
mainline ppa and i also try with a self compiled vanilla kernel.

Tasev Nikola

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