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Hell Freezes Over: NV to support Open Variable Sync Jan 15

Discussion in 'Videocards - NVIDIA GeForce Drivers Section' started by Chastity, Jan 7, 2019.

  1. Astyanax

    Astyanax Ancient Guru

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    Yes we do.

    LFR is required
    VRR range must go under half the max refresh rate.
    and no out of the normal vblanking.
     
  2. tensai28

    tensai28 Maha Guru

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    4k60hz full rgb needs hdmi 2.0+ too.
     
  3. fantaskarsef

    fantaskarsef Ancient Guru

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  4. JohnLai

    JohnLai Member Guru

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    The main question = how will nvidia vrr work when game fps is lower than vrr range? GPU based frame doubling similar to AMD LFC?
    The most asked question = will nvidia allow it to work on Kepler and Maxwell series?
     

  5. janos666

    janos666 Master Guru

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    That's a nice surprise. I didn't expect this before the 2019-series TVs, and some new (possibly "Turing-refresh") VGA cards (in case -at the least some experimental/unvalidated- HDMI 2.1 capabilities will be listed on their marketing slides) hit the market and reviewers + early adopter end-users start to make fuss (the latest date I could imagine was the release of the next-gen consoles with HDMI 2.1 and VRR across the entire console and TV market from >>50% of all the big manufacturers). And I wasn't sure if HDMI 2.0 cards will be allowed to take advantage or nVidia will restrict this to their latest hardware (turing-refresh or real next-gen, whatever comes next).
     
  6. yasamoka

    yasamoka Ancient Guru

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    Provide a source.

    1) It's called LFC
    2) That's not enough for LFC, it has to be 2.5x
    3) What exactly is "out of the normal vblanking"?
     
  7. Plug2k

    Plug2k Maha Guru

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    auggg my spare monitor did not pass Asus MG279Q its freesync monitor so not sure why it wouldnt pass lol
    all i see is Asus MG278Q that passed :( lol
     
  8. Maddness

    Maddness Master Guru

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    It should still work. Just give it a try when the new drivers come out next week.
     
  9. Ital

    Ital Member Guru

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    Perhaps it's because its adaptive-sync range is only 35 Hz to 90 Hz even though the MG279Q is advertised as a 144 Hz monitor. By comparison, the MG278Q's range is 40 Hz to 144 Hz, making it a proper 144 Hz adaptive-sync monitor.
     
    fantaskarsef likes this.
  10. blackdragonbird

    blackdragonbird Active Member

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    But why only 10 and 20 series will support it? 900 series has support for g-sync has it not?
     

  11. Ital

    Ital Member Guru

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    Because the 900 series card's DisplayPort interface only supports DP 1.2. G-Sync Compatible (which is different from regular G-Sync) works on top of VESA Adaptive Sync which requires a minimum of DP 1.2a.

    The 10 and 20 series cards support DP 1.4, so no problems there in supporting VESA Adaptive Sync.
     
  12. JohnLai

    JohnLai Member Guru

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    Since Gsync also manipulate the vblank internal similar to freesync/VESA AdaptiveSync, in theory, kepler (minimum gtx650 Ti Boost) and maxwell v1/v2 can send the required vblank manipulation to freesync monitor through displayport.

    Note: It is important to note Gsync was out in the market before VESA AdaptiveSync standard was finalized.......technically, nvidia Kepler and maxwell v1/v2 GPU are "Displayport 1.2a ready".
     
    AsiJu likes this.
  13. blackdragonbird

    blackdragonbird Active Member

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    Thank you.

    A pity them, I'm stuck with my old GTX970 for at least 2 more years. =(
     
  14. flow

    flow Master Guru

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    Well, I was about to purchase the asus MG278Q in the next coming months, so good to see that it's on the nvidia whitelist.
    Apparently the driver will auto enable if the monitor is on their list.
    If not, you have to enable it yourself. So chances are high many freesync monitors will run quite fine on a nvidia card.
    Maybe not by nvidia's own standards, but probably good enough for the average user.
     
  15. Mda400

    Mda400 Master Guru

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    I don't have a displayport 1.3/1.4 monitor to test my 900 series card with, but seeing as this firmware update tool for geforce graphics cards updates displayport features, it may be compatible once support in the driver is added.
     
    Last edited: Jan 9, 2019

  16. angelgraves13

    angelgraves13 Maha Guru

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    It was only a matter of time...

    I'll still stick with my Adobe RGB 4K IPS monitor at 60hz though.
     
  17. Chastity

    Chastity Ancient Guru

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    Looking forward to testing my Samsung UE510 4K@60 monitor with my laptop. (Mini-DP ports are 1.3)
     
  18. -Tj-

    -Tj- Ancient Guru

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    Actually, and I just remembered that, totally forgot about this

    https://www.nvidia.com/object/nv-uefi-update-x64.html

    You can have DP 1.4 support with this firmware update. Problem solved.


     
    Last edited: Jan 10, 2019
    Maddness, fantaskarsef and looniam like this.
  19. looniam

    looniam Member Guru

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    i recall doing the exact same thing and was going to mention that.

    well, i guess i still did, eh?
     
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  20. CalinTM

    CalinTM Ancient Guru

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    I can enable it on xl2411z?
     

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