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Thread: Intel Flip-Flops Again: RC6 Disabled For Linux 3.2

  1. #1
    Join Date
    Jan 2007
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    14,810

    Default Intel Flip-Flops Again: RC6 Disabled For Linux 3.2

    Phoronix: Intel Flip-Flops Again: RC6 Disabled For Linux 3.2

    Ouch, Intel at the last minute has -- once again -- had to disable RC6 power savings support from their open-source Linux graphics driver for Sandy Bridge hardware...

    http://www.phoronix.com/vr.php?view=MTAzNDg

  2. #2
    Join Date
    Sep 2008
    Posts
    989

    Default

    Which users are repeatably having an issue with semaphores and RC6? Is it everyone, or just specific ASICs? If it's a feature that will take a long time to fix for everyone, maybe a hardware whitelist for the ones that don't seem to have the problem? Just a thought.

  3. #3
    Join Date
    Dec 2011
    Posts
    3

    Default

    sure that the kernel command is i915.i916_enable_rc6=1 ?

    i think it has to be i915.i915_enable_rc6=1 or am i wrong?

  4. #4
    Join Date
    Aug 2011
    Location
    Hillsboro, Oregon
    Posts
    136

    Default

    Yeah, that's a typo. It's i915.i915_enable_rc6=1 (yes, it really has i915 twice).

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