[Mesa-dev] [Bug 92987] fails to determine screen refresh rate when rendering is offloaded

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92987

            Bug ID: 92987
           Summary: fails to determine screen refresh rate when rendering
                    is offloaded
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: oliver at neukum.org
        QA Contact: mesa-dev at lists.freedesktop.org

This is seen with glxgears and rendering offloaded to Radeon with Intel Haswell
gfx. It is independent of the display used.

Glxgears renders with maximum rate if Radeon is used to render (DRI_PRIME=1)
but limits itself to the refresh rate of 60Hz if Intel is used for rendering
(DRI_PRIME=0)

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