93 lines
2.7 KiB
Bash
93 lines
2.7 KiB
Bash
#!/usr/bin/env sh
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[ "$USER" = "root" ] && echo "Please DO NOT run this script as root" && exit 1
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checkinst() {
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which $1 >/dev/null 2>/dev/null && return 0 || return 1
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}
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usage() {
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echo "Usage:"
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echo " opti-sw.sh (i)ntel | (n)vidia"
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}
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if ! checkinst "sudo"; then
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if checkinst "doas"; then
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alias sudo="doas"
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else
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alias sudo="su -c"
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fi
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fi
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case "$1" in
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i|intel) OPT=intel;;
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n|nvidia) OPT=nvidia;;
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*) usage; exit 1;;
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esac
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SUSPEND_SCRIPT=/lib64/elogind/system-sleep/opti-sw-nvidia.sh
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rc_msg() {
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TERM_WIDTH=$(stty size | cut -d" " -f2)
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printf "%${TERM_WIDTH}s" | tr " " "_"
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printf "\n\n"
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echo "If you haven't done so already, please put the following line at the top of your display manager or XOrg init script (for example ~/.xinitrc for startx or /usr/share/sddm/scripts/Xsetup for SDDM):"
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echo "sh $HOME/.local/lib/nvidia-switch-rc.sh"
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printf "%${TERM_WIDTH}s\n" | tr " " "_"
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}
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# Make suspend work for NVIDIA
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install_nvidia_suspend_script() {
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[ ! -d /lib64/elogind/system-sleep/ ] &&
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echo "Unable to install NVIDIA suspend script: /lib64/elogind/system-sleep/ not found. This might be because you aren't using elogind." &&
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return 1
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sudo sh -c "echo '#!/usr/bin/env sh
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# Managed by opti-sw.sh
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lsmod | cut -d\" \" -f1 | grep \"^nvidia\$\" > /dev/null || exit 0
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WHEN=\"\$1\"
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WHAT=\"\$2\"
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if [ pre = \"\$WHEN\" ]; then
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if [ suspend = \"\$WHAT\" ]; then
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/usr/bin/nvidia-sleep.sh suspend
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else
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/usr/bin/nvidia-sleep.sh hibernate
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fi
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elif [ post = \"\$WHEN\" ]; then
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sleep 1
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/usr/bin/nvidia-sleep.sh resume &
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fi' > $SUSPEND_SCRIPT"
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sudo chmod +x $SUSPEND_SCRIPT
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}
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case $OPT in
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intel)
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sudo modprobe -r nvidia
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[ -e /etc/X11/xorg.conf ] &&
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sudo mv -f /etc/X11/xorg.conf /etc/X11/xorg.conf.nvidia &&
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echo "Backed up existing XOrg config file /etc/X11/xorg.conf to /etc/X11/xorg.conf.nvidia"
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echo " " > ~/.local/lib/nvidia-switch-rc.sh
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sudo sed -i '/^nvidia$/d' /etc/modules-load.d/video.conf
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echo "Switched to Intel GPU"
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;;
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nvidia)
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rc_msg
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sudo nvidia-xconfig --prime > /dev/null 2> /dev/null
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sudo modprobe nvidia
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echo -e "xrandr --setprovideroutputsource modesetting NVIDIA-0\nxrandr --auto" > ~/.local/lib/nvidia-switch-rc.sh
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sudo mkdir -p /etc/modules-load.d
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grep '^nvidia$' /etc/modules-load.d/video.conf > /dev/null || sudo su -c 'echo nvidia >> /etc/modules-load.d/video.conf'
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# Make suspend work
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[ ! -e "$SUSPEND_SCRIPT" ] && install_nvidia_suspend_script && echo "Installed $SUSPEND_SCRIPT to make suspend work on NVIDIA"
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echo "Switched to NVIDIA GPU. You will probably need to restart."
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;;
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esac
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[ ! -e ~/.local/lib/nvidia-switch-rc.sh ] && mkdir -p ~/.local/lib/ && touch ~/.local/lib/nvidia-switch-rc.sh && chmod +x ~/.local/lib/nvidia-switch-rc.sh
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exit 0
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