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Thread: Open-Source AMD Cayman GPU KMS Support

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  1. #1
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    Default Open-Source AMD Cayman GPU KMS Support

    Phoronix: Open-Source AMD Cayman GPU KMS Support

    Nearly two months ago AMD released Radeon HD 6000 series open-source support -- complete with kernel mode-setting and Mesa/Gallium3D OpenGL driver acceleration support -- but this support had only covered the "Northern Islands" ASICs and not the newest Radeon HD 6900 "Cayman" graphics processors. Cayman's design is much different from the Northern Islands and previous-generation Evergreen GPUs, but the open-source support for these highest-end AMD graphics processors is beginning to emerge...

    http://www.phoronix.com/vr.php?view=OTE2NA

  2. #2
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    Thanks for the info!

    Some feedback (try 2, with thoughts better organized):

    Has it occurred to you to start putting all of your benchmarking results over on openbenchmarking.org, even the ones you run in-house manually? Separation of concerns and all that.

    But even with all your benchmark results shifted over there, it's exactly this kind of article that keeps me coming back to Phoronix. Summarizing info about happenings in the Linux performance / graphics / gaming / open source driver communities. Finding out about things I don't necessarily hear first-hand. This is why I don't want you to retire from being a Phoronix editor; or if you do, replace yourself with people who can capably fill your shoes as far as finding these excellent tidbits.

    It's a news site, so give us more news. Thumbs-up for this post and others like it. The benchmarks can go "to that other site you run"

  3. #3
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    FWIW, initial EXA/Xv accel code is up on the cayman_accel branch of the ddx:
    http://cgit.freedesktop.org/xorg/dri...h=cayman_accel
    It doesn't work without hanging the GPU yet, but it's mostly all in place.

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    Quote Originally Posted by agd5f View Post
    FWIW, initial EXA/Xv accel code is up on the cayman_accel branch of the ddx:
    http://cgit.freedesktop.org/xorg/dri...h=cayman_accel
    It doesn't work without hanging the GPU yet, but it's mostly all in place.
    Alex, that is wonderful. I can't imagine someone would use 69xx with r600g, but it is a certainly solid base for the future AMD GPUS.

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    Sweet, really sweet, but you don't buy 300$ card to use with opensource drivers. Wasn't this official position?

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    Quote Originally Posted by crazycheese View Post
    Sweet, really sweet, but you don't buy 300$ card to use with opensource drivers. Wasn't this official position?
    Whether someone does this or not, the open drivers should provide decent support for all the AMD hardware, which forms a good basis for the community to keep working on the drivers.

    This is great news indeed.

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    Quote Originally Posted by crazycheese View Post
    Sweet, really sweet, but you don't buy 300$ card to use with opensource drivers. Wasn't this official position?
    If you run a LiveCD, it's better to have an optimized driver than only vesa. And, if we want later 3D acceleration, this is a mandatory step to do.

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    Quote Originally Posted by crazycheese View Post
    Sweet, really sweet, but you don't buy 300$ card to use with opensource drivers. Wasn't this official position?
    There exist people who use Linux to do work, and when they want to play games, boot into GameLoaderOS™. Certainly having basic out-of-thebox 2D and 3D acceleration will be sufficient here. The proprietary driver would just limit the kernel/X server versions that you can run.

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    Quote Originally Posted by Drago View Post
    Alex, that is wonderful. I can't imagine someone would use 69xx with r600g, but it is a certainly solid base for the future AMD GPUS.
    i think you are wrong there are people with an hd5970 running r600g

    and a hd6970 is cheap compared to that card.

  10. #10
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    If the only selling point for the nvidia blob now is that you can run Windows games using a Windows 3d API, a windows input subsystem, using a modified Windows 3d driver, then we're doing fine.

    People installing the Linux kernel on a Windows operating system and playing games like that are just plain weird and not typical for Linux.

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