64 lines
1.9 KiB
Bash
64 lines
1.9 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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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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checkinst() {
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which $1 >/dev/null 2>/dev/null && return 0 || return 1
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}
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rc_msg() {
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TERM_WIDTH=$(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 as 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" | tr " " "_"
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}
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su_run() {
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sh -c "$SU_PROG sh -c '$1'"
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}
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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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if checkinst "sudo"; then
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SU_PROG="sudo"
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elif checkinst "doas"; then
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SU_PROG="doas"
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else
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SU_PROG="su -c"
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fi
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case $1 in
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i|intel)
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su_run "modprobe -r nvidia"
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[ -e /etc/X11/xorg.conf ] &&
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su_run "mv -f /etc/X11/xorg.conf /etc/X11/xorg.conf.nvidia" &&
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echo "Backed up existing XOrg config file /etc/X11/xorg.conf to /etc/X11/xorg.conf.nvidia"
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echo " " > ~/.local/lib/nvidia-switch-rc.sh
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su_run "sed -i '/^nvidia$/d' /etc/modules-load.d/video.conf"
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echo "Switched to Intel GPU"
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;;
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n|nvidia)
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rc_msg
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# It will complain about the XOrg config file missing, so I am supressing all output, including errors
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su_run "nvidia-xconfig --prime" >/dev/null 2>/dev/null
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su_run "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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su_run "mkdir -p /etc/modules-load.d"
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grep '^nvidia$' /etc/modules-load.d/video.conf > /dev/null || su_run "echo nvidia >> /etc/modules-load.d/video.conf"
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echo "Switched to NVIDIA GPU. You will probably need to restart."
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;;
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*) usage; exit 1
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;;
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esac |