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Dynamic Refresh Rate Switching For Intel's DRM Driver

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  • Dynamic Refresh Rate Switching For Intel's DRM Driver

    Phoronix: Dynamic Refresh Rate Switching For Intel's DRM Driver

    A patch-set has been published that provides Dynamic Refresh Rate Switching (DRRS) support for Intel's DRM Linux graphics driver...

    http://www.phoronix.com/vr.php?view=MTU0Njg

  • #2
    From what I gather, this is G-sync without that G-sync chip. Or am I wrong?

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    • #3
      It's a power saving feature that's been available on laptops for a long time. You can lower the refresh rate to save power by reducing the display clock if the system is idle.

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      • #4
        Originally posted by agd5f View Post
        It's a power saving feature that's been available on laptops for a long time. You can lower the refresh rate to save power by reducing the display clock if the system is idle.
        I thought this is pretty new, even on windows? Since when is it available?

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        • #5
          I was wondering if this also works with your normal monitor output.
          My Full HD monitor supports a range between 56-75Hz and some also supports 24Hz.

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          • #6
            Can any of the devs chime in and tell me what the difference is between this and the intel module parameter "lvds_downclock" ?

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            • #7
              Even if it isn't G-sync, it sounds like it could be hacked into a G-sync-like capability if the display can change refresh rates fast enough.

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