Public bug reported:

Release: Ubuntu Groovy Gorilla (development branch), but should be the same in 
20.04
Package version: 1.5.1-0ubuntu3

What happens: The not-commented-out line "defaultgov=powersave" in
/etc/gamemode.ini causes gamemode to switch to the powersave governor on
exit rather than reverting to whatever governor was in use when gamemode
kicked in. For AMD CPUs at least powersave is not an appropriate setting
-- the CPU will run slow regardless of demand. It's nice for when you
want some peace and quiet, not so nice for doing work (or for playing
games you haven't configured to use gamemode).

What I expect to happen: Surely the sane, expected, and user-respecting
behaviour here would be to returning the system to the state it was in
pre-gamemode?

** Affects: gamemode (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Release: Ubuntu Groovy Gorilla (development branch), but should be the same 
in 20.04
  Package version: 1.5.1-0ubuntu3
  
  What happens: The not-commented-out line "defaultgov=powersave" in
  /etc/gamemode.ini causes gamemode to switch to the powersave governor on
  exit rather than reverting to whatever governor was in use when gamemode
  kicked in. For AMD CPUs at least powersave is not an appropriate setting
  -- the CPU will run slow regardless of demand. It's nice for when you
  want some peace and quiet, not so nice for doing work (or for playing
  games you haven't configured to use gamemode).
  
  What I expect to happen: Surely the sane, expected, and user-respecting
  behaviour here would be to returning the system to the state it was in
- pre-gamemode (typically: ondemand)?
+ pre-gamemode?

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https://bugs.launchpad.net/bugs/1875740

Title:
  gamemode throttles (AMD?) CPUs on exit (powersave governor)

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