[Bug 83012] New: horrible performance with vblank_mode=1 which is the default

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Aug 24 04:44:31 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=83012

          Priority: medium
            Bug ID: 83012
          Assignee: dri-devel at lists.freedesktop.org
           Summary: horrible performance with vblank_mode=1 which is the
                    default
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: aaalmosss at gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Drivers/Gallium/r600
           Product: Mesa

For example, Unigine Tropics benchmark gives 20fps, but with vblank_mode=0 it's
54fps. Games that don't turn off vsync by themselves suffer from this as well.

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