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Finally A Discussion Is Back Concerning FreeSync / Adaptive-Sync / VRR DRM Support

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  • Finally A Discussion Is Back Concerning FreeSync / Adaptive-Sync / VRR DRM Support

    Phoronix: Finally A Discussion Is Back Concerning FreeSync / Adaptive-Sync / VRR DRM Support

    While AMD has plumbed in FreeSync variable-rate refresh support with their AMDGPU DC display code stack, it's not yet all happy on the open-source mainline kernel as the missing piece has been over having a unified API for the Direct Rendering Manager drivers that can be used for supporting Free-Sync or the VESA-approved AdaptiveSync or HDMI VRR (Variable Refresh Rate). The discussion over having this common API for DRM drivers is back to being discussed...

    http://www.phoronix.com/scan.php?pag...API-Discussion

  • #2
    Typo:

    Originally posted by phoronix View Post
    beneficial for multi-montior setups

    Comment


    • #3
      Originally posted by phoronix View Post
      That target frame duration interface could be used for user-space to tell the driver to send a new frame to the driver as soon as it's ready or rather if there is a desired frame duration every so many nano-seconds.
      I think this is a bit confusing. So, which driver is sending a frame and which one is receiving it? Surely it's not the same (kernel) driver, right? I would guess user space driver (Mesa or DDX?) is sending it to kernel space but I may be wrong.

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      • #4
        Interesting. There is also an Intel developer in this discussion. Does this mean they finally adopt FreeSync and VRR?

        Also I like a lot that both the FreeSync and its implementation over HDMI (VRR) are being discussed as one.

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        • #5
          Originally posted by starshipeleven View Post
          Interesting. There is also an Intel developer in this discussion. Does this mean they finally adopt FreeSync and VRR?

          Also I like a lot that both the FreeSync and its implementation over HDMI (VRR) are being discussed as one.
          They will adopt VRR / adaptive sync I have no doubt.

          Freesync is AMD's prop solution to utilise adaptive sync tech with their GPU's/APU's

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          • #6
            Originally posted by starshipeleven View Post
            Interesting. There is also an Intel developer in this discussion. Does this mean they finally adopt FreeSync and VRR?

            Also I like a lot that both the FreeSync and its implementation over HDMI (VRR) are being discussed as one.
            yes they will, but only with 10nm products

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            • #7
              i want freesync working on linux ASAP

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              • #8
                I wonder if nouveau will support it... That would be cool because the proprietary driver of nvidia cannot.

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                • #9
                  It seems discussion goes in a way like... "we are waiting for some Croteam's research video"

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                  • #10
                    Originally posted by gufide View Post
                    I wonder if nouveau will support it... That would be cool because the proprietary driver of nvidia cannot.
                    nvidia supporting freesync but only on linux will make for some nice memes

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