Hello, i don't know if i am in the correct place but i have the following issue:
If i use a monitor with a higher refresh rate then 60 then i will get nasty 
screen tearing and flickering.

I have a monitor with 75 hz ,a amd rx 480 gpu with open source video
drivers.

The work-around the issue that i found is to force the gpu power state
to high with the command   echo high >
/sys/class/drm/card0/device/power_dpm_force_performance_level


In my opinion this should be a High importance because it will offer a pour 
experience when for every user that it's using open source drivers and a high 
refresh monitor

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https://bugs.launchpad.net/bugs/1215411

Title:
  libcpupower.so is not installed from linux-tools

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