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Thread: Monitor resolution resets to 1368x768 after turn off/on

  1. #1

    Default Monitor resolution resets to 1368x768 after turn off/on

    When I turn off my monitor (or when it goes into power-save), and turn it on again, the maximum resolution is reset to 1368x768. This already messes up any screen layout at HD, but it is extremely bad for a UHD (4k) screen.

    Even worse, I have to reboot to get the original resolutions back. This is a severe issue.

    It happened with a recent update (maybe to 4.15.1), and it occurs on two different systems (both with amdgpu). Seems as if I have to roll back.

  2. #2

    Default Re: Monitor resolution resets to 1368x768 after turn off/on

    Maybe disabling the new "AMD Display Code" would help?
    Try to add this to the kernel parameters:
    Code:
    amdgpu.dc=0
    See https://forums.opensuse.org/showthre...58#post2854458

  3. #3

    Default Re: Monitor resolution resets to 1368x768 after turn off/on

    Oh no ...

    I've been waiting for months for getting HDMI audio output, so I was happy to see the DC available finally.

    OK, I'll try.

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