[kwin] [Bug 493674] Wrong monitor refresh rate

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=493674

Nate Graham <nate at kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WAITINGFORINFO
          Component|general                     |general
             Status|REPORTED                    |NEEDSINFO
           Keywords|                            |multiscreen
           Assignee|unassigned-bugs at kde.org     |kwin-bugs-null at kde.org
                 CC|                            |nate at kde.org
            Product|kde                         |kwin
            Version|unspecified                 |6.1.90

--- Comment #2 from Nate Graham <nate at kde.org> ---
60hz for a 4k screen requires HDMI 2.0 (or later). This means that the GPU,
computer, cable, and monitor all have to support that version of HDMI, or a
later one. If any link in the chain does not, then it will degrade to the
oldest supported version of HDMI, which is likely 1.4. And HDMI 1.4 only
supports 4K screens at 30hz. So I suspect this is what's happening.

Can you check?

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