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AMDGPU Fixes For Linux 5.0 Include FreeSync/VRR Properties For eDP Displays

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  • #31
    Originally posted by debianxfce View Post

    There are these ways:
    - use your monitor built-in refresh rate counter
    - to see the freesync range: sudo cat /sys/kernel/debug/dri/0/DP-1/vrr_range´╗┐
    - You can enable debug messages with the kernel command line, drm.debug=0x04. Then you have the following dmesg message if freesync is active: drm:update_freesync_state_on_stream.isra.32 [amdgpu]] VRR packet update: crtc=44 enabled=1 state=3

    The game must use OpenGL and vsync. Only the displayport protocol is supported at the moment. Enable variable refresh rate in your xorg.conf file, see man amdgpu.
    Also that /sys/kernel/debug/dri/0/DP-1/vrr_range is only existent with latest AMD patches from 5.1 WIP branch.

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    • #32
      Originally posted by Haxk20 View Post

      Also that /sys/kernel/debug/dri/0/DP-1/vrr_range is only existent with latest AMD patches from 5.1 WIP branch.
      The mainline kernel do have partially implemented and buggy amdgpu code (see the diff column at kernel.org), so use the AMD wip kernel. that has latest bug fixes and features.

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      • #33
        Originally posted by debianxfce View Post

        The mainline kernel do have partially implemented and buggy amdgpu code (see the diff column at kernel.org), so use the AMD wip kernel. that has latest bug fixes and features.
        Yes i know. Its just that AMD wip branch is on rc1. Also this isnt a bug. This is a feature only in 5.1

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        • #34
          What about the multi monitor support with FreeSync & AMDGPU?

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