[Bug 39714] New: Slow and choppy 3D performace on evergreen after pm-suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39714

           Summary: Slow and choppy 3D performace on evergreen after
                    pm-suspend
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: bugs.xorg at boris64.net


Created an attachment (id=49783)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49783)
dmesg including pm-suspend event

I get very slow and choppy 3d performance after suspending my computer.
This is valid for glxgears (i-know-it's-not-a-benchmark), kwin and others.
After restarting the 3d application speed seems to be normal/ok again. 

Example:
[glxgears output]
17641 frames in 5.0 seconds = 3528.125 FPS
18396 frames in 5.0 seconds = 3679.087 FPS
22768 frames in 5.0 seconds = 4553.543 FPS
18280 frames in 5.0 seconds = 3655.863 FPS
16051 frames in 5.0 seconds = 3210.111 FPS
16030 frames in 5.0 seconds = 3205.946 FPS
18157 frames in 5.0 seconds = 3628.626 FPS
18182 frames in 5.0 seconds = 3636.259 FPS
...
(-> pm-msuspend here <-)
...
12270 frames in 19.1 seconds = 641.561 FPS
4518 frames in 5.0 seconds = 903.255 FPS
4721 frames in 5.0 seconds = 944.181 FPS
4750 frames in 5.0 seconds = 949.833 FPS
4724 frames in 5.0 seconds = 944.745 FPS
4759 frames in 5.0 seconds = 951.687 FPS
4535 frames in 5.0 seconds = 905.757 FPS
4557 frames in 5.0 seconds = 911.264 FPS
[/glxgears output]

Used drivers+software:
-xorg-server-1.10.3
-mesa(r600g)/ddx/libdrm from git (latest)
-kernel-3.0.0

If you need more infos/logs, please do not hesitate to ask.
Thank you in advance!

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