[Bug 60344] New: [IVB]openarena power regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60344

          Priority: medium
            Bug ID: 60344
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [IVB]openarena power regression
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: ouping.zhang at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

1.Environment
Kernel: (drm-intel-next-queued)de67cba65944f26c0f147035bd62e30c5f456b9
            enable RC6               disable RC6
IVB        Average watt  Watt-hour  Average watt  Watt-hour    
openarena    15.3        1.3           22.2        1.9

2.Environment 
Kernel:                3.8-rc5 (master)949db153b6466c6f7cad5a427ecea94985927311
Libdrm:           
(master)libdrm-2.4.41-4-g9dc0072e8d5a47fb0b2ada50fb897cb2c740bb40
Mesa:              (9.0)1e8de8437a8a11f95eb745b92ed3db749b8c763c
Xserver:          (server-1.13-branch)xorg-server-1.13.2
Xf86_video_intel:  (master)2.20.19-59-gc2d06c407e1c2cbbf3f7f6c4989710a799cd43d0
Cairo:               (master)2560c0b6577a6380ef175cf18bb804913784632c
Libva:               (staging)21649988d6b532cc96f633db017d1e4369f640e9
Libva_intel_driver:  (staging)b7cb38772e6f73d3c1b3465e0bc6c0009c2f5634

            enable RC6               disable RC6
IVB        Average watt  Watt-hour  Average watt  Watt-hour
             50.5        17.8       50.3        17.7    

with the latest kernel(2), RC6 didn't save power on IVB and HSW, but with the
older kernel(1), RC6 saved power.

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