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Thread: DMA-BUF Cross-Device Synchronization Hits Linux 3.17

  1. #11
    Join Date
    Oct 2006
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    Israel
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    Quote Originally Posted by MPF View Post
    It will be usable by all the drivers using prime. NVIDIA's driver included.
    Was DMA-BUF symbols GPL only?
    ... Goes to check.
    Yep: All the symbols I see are still EXPORT_SYMBOL_GPL making them invisible to any proprietary drivers.

    - Gilboa
    DEV: Intel S2600C0, 2xE52658V2, 32GB, 4x2TB, GTX780, F20/x86_64, Dell U2711.
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  2. #12
    Join Date
    Dec 2008
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    Quote Originally Posted by gilboa View Post
    Was DMA-BUF symbols GPL only?
    ... Goes to check.
    Yep: All the symbols I see are still EXPORT_SYMBOL_GPL making them invisible to any proprietary drivers.

    - Gilboa
    Nvidia uses a shim to access dma-buf.

    PRIME offloading works just fine with the proprietary driver.

  3. #13
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    Israel
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    Quote Originally Posted by LLStarks View Post
    Nvidia uses a shim to access dma-buf.

    PRIME offloading works just fine with the proprietary driver.
    Thanks.
    DEV: Intel S2600C0, 2xE52658V2, 32GB, 4x2TB, GTX780, F20/x86_64, Dell U2711.
    SRV: Intel S5520SC, 2xX5680, 36GB, 4x2TB, GTX550, F20/x86_64, Dell U2412..
    BACK: Tyan Tempest i5400XT, 2xE5335, 8GB, 3x1.5TB, 9800GTX, F20/x86-64.
    LAP: ASUS N56VJ, i7-3630QM, 16GB, 1TB, 635M, F20/x86_64.

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