Switch between AMD's integrated video card and discrete video card

gpuswitch

#!/bin/bash
# Switch between AMD's integrated video card and discrete video card

# Active GPU
gpu_active=$(aticonfig --px-list | cut -d " " -f 2)

# Restart X.org server
xorg_restart () {
  gnome-session-quit --logout # GNOME, will still prompt if unsaved
                              # --no-prompt causing problems
  # pkill X
}

if [[ $gpu_active = Discrete ]]; then
  gpu_inactv=Integrated
  while true; do
    read -p " Switch to "$gpu_inactv" GPU (requires X.org server restart)? (y/n): " yn
    case $yn in
      [Yy] ) sudo aticonfig --px-igpu
             xorg_restart
             break 2      ;;
      [Nn] ) break 2      ;;
      *    ) echo "  Answer (y)es or (n)o."
    esac
  done
else
  gpu_inactv=Discrete
  while true; do
    read -p " Switch to "$gpu_inactv" GPU (requires X.org server restart)? (y/n): " yn
    case $yn in
      [Yy] ) sudo aticonfig --px-dgpu
             xorg_restart 
             break 2      ;;
      [Nn] ) break 2      ;;
      *    ) echo "  Answer (y)es or (n)o."
    esac
  done
fi