Nouveau - Apr 2017 - [Bug 100762] New: Nouveau powersave/suspend for discrete card stopped working

https://bugs.freedesktop.org/show_bug.cgi?id=100762

            Bug ID: 100762
           Summary: Nouveau powersave/suspend for discrete card stopped
                    working
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: roland.singer at desertbit.com
        QA Contact: xorg-team at lists.x.org

Nouveau does not suspend my discrete GPU if idle. However bbswitch (nouveau
unloaded) is capable to suspend the GPU. I am running the 4.9.24 linux kernel.

My GPU: NVIDIA Corporation GM204M [GeForce GTX 970M] (rev ff)

Nouveau was capable to switch off the discrete GPU until kernel 4.7.
Starting with 4.8 it stopped working.

Hope we can get this fixed. Thanks!

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https://bugs.freedesktop.org/show_bug.cgi?id=100762

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Can you try booting with pcie_pm_port=off ? If this helps, this may be an
instance of bug 98398.

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https://bugs.freedesktop.org/show_bug.cgi?id=100762

Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
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This bug has been migrated to freedesktop.org's GitLab instance and has been
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