nvidia-switch

nvidia-switch.sh

#!/bin/bash

# A simple wrapper around system76-power to ensure that nvidia mode is reflected
# in Xorg.

XORG_CONF=/etc/X11/xorg.conf.d/nvidia.conf
CURRENT_MODE=`system76-power graphics`

function elevate () {
  if [[ $EUID -ne 0 ]];
  then
    echo "This script must run in privileged mode"
    exec sudo /bin/bash "$0" "$1"
  fi
}

function perform_reboot () {
  read -p "Would you like to reboot now [y/N]: " rflag
  if [[ "$rflag" =~ ^[y|Y].* ]] 
  then
    reboot
  fi
}

if [ "$1" == "nvidia" ]
then
  elevate "$1"
  if [ "$CURRENT_MODE" != "nvidia" ]
  then
    sed -i 's/Option "PrimaryGPU".*/Option "PrimaryGPU" "yes"/' "$XORG_CONF" && \
    system76-power graphics "$1" >/dev/null && \
    echo "Nvidia graphics mode enabled, this action requires a reboot"
    perform_reboot
  else
   echo "Nvidia graphics mode is already enabled"
   exit 1
  fi
elif [ "$1" == "hybrid" ]
then 
  elevate "$1"
  if [ "$CURRENT_MODE" != "$1" ]
  then
    sed -i 's/Option "PrimaryGPU".*/Option "PrimaryGPU" "no"/' "$XORG_CONF" && \
    system76-power graphics "$1" >/dev/null && \
    echo "Hybrid graphics mode enabled, this action requires a reboot"
    perform_reboot
  else
   echo "Hybrid graphics mode is already enabled"
   exit 1
  fi
else
  echo "You must specify either 'nvidia' or 'hybrid' mode"
  exit 1
fi
exit 0