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[Bug 1407558] Re: Mir reports vertical refresh rates slightly inaccurately

 

** Changed in: mir
       Status: Fix Committed => Fix Released

** Also affects: mir (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1407558

Title:
  Mir reports vertical refresh rates slightly inaccurately

Status in Mir:
  Fix Released
Status in mir package in Ubuntu:
  Fix Released

Bug description:
  mirout says:

  Output 19: Card 0, HDMI-A, connected, 1920x1200+0+0, used, on, 520mm x 330mm (24.2"), normal
      1920x1200      60.0*+
      1600x1200      60.0  
      1680x1050      59.9  
      1280x1024      75.0    60.0  
      1152x864       75.0  
      1024x768       75.1    60.0  
       800x600       75.0    60.3  
       640x480       75.0    60.0  
       720x400       70.1  

  Actually that first 60.0 is more like 59.94. It's just that we've rounded the result, both in mirout and also in:
  src/platforms/mesa/real_kms_display_configuration.cpp:    return round(vrefresh_hz * 10.0) / 10.0;

  Then again, it's normal for the industry to knowingly refer to 59.94Hz
  as "60Hz", or 23.976Hz as "24Hz" etc. So low priority for now. Maybe
  even Won't Fix...

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