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Thread: How To Setup Radeon DPM On Ubuntu Linux

  1. #21
    Join Date
    Oct 2007
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    Toronto-ish
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    Hah... I finally replied before Alex... first time in about 6 years. He must have been having dinner or taking the dog for a walk

  2. #22
    Join Date
    Jun 2007
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    The intarwebs
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    http://paste.ubuntu.com/5930999/

    Confirmed. DPM working correctly. Small max clock improvement, if any. I do recall when I took my Kill-a-watt to it several months ago, Catalyst had a *lot* lower energy usage than Radeon.. which is actually the main reason I used it. ..I had to ditch legacy Catalyst to go to 13.04 without a lot of hassle, and I thought this would close a lot of the performance gap, but if it's just power savings, hey, that's progress, I'll take it. You guys rock.

  3. #23
    Join Date
    May 2013
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    Behind the terminal as there is always something wrong.
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    22

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    Thanks adg5f! I'll be watching that ticket. Hope this will get fixed before 3.11 comes out.
    Would be awesome if I could use a stable kernel with power saving. Basically, use Linux every day.

  4. #24
    Join Date
    Sep 2008
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    Vilnius, Lithuania
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    So, again, why don't APUs need the microcode? What makes them special like that?

  5. #25
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    Dec 2007
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    Quote Originally Posted by GreatEmerald View Post
    So, again, why don't APUs need the microcode? What makes them special like that?
    It's loaded by the system bios rather than the driver since it handles more than just the GPU.

  6. #26
    Join Date
    Jul 2013
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    How about support for the Accelerated Parallel Processing (APP) SDK?

  7. #27
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    Sep 2008
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    Vilnius, Lithuania
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    Hmm, then how do you update the microcode on APUs? Require a system firmware upgrade? Work around it in software?

    Seeing how horribly implemented the UEFI in the netbook that I'm maintaining is, I really don't like the thought of that mess also handling the microcode for proper power management...

  8. #28
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    Dec 2007
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    Quote Originally Posted by stfn View Post
    There is basic support for OpenCL on evergreen and newer cards in mesa.

  9. #29
    Join Date
    Jul 2013
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    7

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    Quote Originally Posted by agd5f View Post
    There is basic support for OpenCL on evergreen and newer cards in mesa.
    So the APP SDK will only work with Catalyst drivers?

  10. #30
    Join Date
    Dec 2007
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    2,329

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    Quote Originally Posted by stfn View Post
    So the APP SDK will only work with Catalyst drivers?
    yes, that is correct.

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