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Linux 3.16 Aims To Enable Radeon BAPM By Default

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  • Linux 3.16 Aims To Enable Radeon BAPM By Default

    Phoronix: Linux 3.16 Aims To Enable Radeon BAPM By Default

    A DRM-fixes pull request for the open-source Radeon Linux graphics driver for the Linux 3.16 kernel is going to enable BAPM by default for some APU systems...

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

  • #2
    I have tried searching for a definitive list of hardware which can utilise this BAPM featureset, but my SEO must be rusty, as I have failed. Is there anyone who knows of such a list, and is willing to link to it?

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    • #3
      Originally posted by aphirst View Post
      I have tried searching for a definitive list of hardware which can utilise this BAPM featureset, but my SEO must be rusty, as I have failed. Is there anyone who knows of such a list, and is willing to link to it?
      So far this bug affected mostly MSI motherboards, I actually helped test this bugfix

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      • #4
        Originally posted by NothingMuchHereToSay View Post
        So far this bug affected mostly MSI motherboards, I actually helped test this bugfix
        Hmm, well I'm more looking for which hardware (presumably a list of engineering or marketing names?) can actually use BAPM, but I suppose it's interesting that the *bug* which was fixed was mostly limited to one manufacturer.

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        • #5
          I would also like to know whether my Llano will benefit from the feature.

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          • #6
            So I’m assuming that people using Ubuntu 14.04 will not get this feature (on Richland APUs). Does it matter? What does BAPM do exactly?

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            • #7
              Originally posted by aphirst View Post
              I have tried searching for a definitive list of hardware which can utilise this BAPM featureset, but my SEO must be rusty, as I have failed. Is there anyone who knows of such a list, and is willing to link to it?
              I'm assuming all APUs at least from Richland and up support it. At least, I reported the DPM power cycle issue early in kernel 3.13 development that rendered an MSI+Richland APU system, which I built for someone, completely broken from then on thanks to DPM being enabled by default -- Ubuntu certainly took a lot of heat from it since anyone with an MSI board + APU can't even boot the live CD without first manually modifying it to disable DPM.

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