[Bug 106959] New: kernel 4.18rc1 amdgpu can't 4k60hz over HDMI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106959

            Bug ID: 106959
           Summary: kernel 4.18rc1 amdgpu can't 4k60hz over HDMI
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/AMDgpu
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: oyvinds at everdot.org
        QA Contact: xorg-team at lists.x.org

With RX480 and 3x4k with two Displayport and one HDMI connected I got
60Hz60Hz60Hz up to kernel 4.18.0-0.rc0.git8 but starting with
4.18.0-0.rc0.git10 and 4.18.0-0.rc1.git0 I only get 30Hz 60Hz 60Hz and the one
that will not give me more than 1970s television refreshrate is connected over
HDMI. There seems to be big regression somewhere.

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