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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| #!/usr/bin/env bash | ||
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||
| # avoid tee to print in the stdout | ||
| TEE='tee > /dev/null' | ||
| VERBOSE=0 | ||
| DRY_RUN=0 | ||
|
|
||
| function printHelp { | ||
| echo "Utility to toggle discrete Nvidia graphic card" | ||
| echo "Usage: " | ||
| echo "nvidia-toggle [<options>] [<on|off>]" | ||
| echo "Options: " | ||
| echo " -d Dry run - prints the final command but does not execute it" | ||
| echo " -v Verbose - verbose output" | ||
| } | ||
|
|
||
| function execute { | ||
| if [[ ${DRY_RUN} -ne 0 ]]; then | ||
| echo ">>Dry run. Command: $@" | ||
| else | ||
| eval "$@" | ||
| fi | ||
| } | ||
|
|
||
| function say { | ||
| if [[ "$VERBOSE" == '1' ]]; then | ||
| echo "$@" | ||
| fi | ||
| } | ||
|
|
||
| function turn_off_gpu { | ||
| if [[ "$USE_BBSWITCH" == '1' ]]; then | ||
| echo 'Turning off GPU using bbswitch ' | ||
| execute "sudo tee /proc/acpi/bbswitch <<<'OFF'" | ||
| else | ||
| if [[ "$REMOVE_DEVICE" == '1' ]]; then | ||
| say 'Removing Nvidia bus from the kernel' | ||
| execute "$TEE /sys/bus/pci/devices/${DEVICE_BUS_ID}/remove <<<1" | ||
| else | ||
| say 'Enabling powersave for the graphic card' | ||
| execute "$TEE /sys/bus/pci/devices/${DEVICE_BUS_ID}/power/control <<<auto" | ||
| fi | ||
|
|
||
| say 'Enabling powersave for the PCIe controller' | ||
| execute "$TEE /sys/bus/pci/devices/${CONTROLLER_BUS_ID}/power/control <<<auto" | ||
| fi | ||
| } | ||
|
|
||
| function turn_on_gpu { | ||
| if [[ "$USE_BBSWITCH" == '1' ]]; then | ||
| echo 'Turning on GPU using bbswitch ' | ||
| execute "sudo tee /proc/acpi/bbswitch <<<'ON'" | ||
| else | ||
| say 'Turning the PCIe controller on to allow card rescan' | ||
| execute "$TEE /sys/bus/pci/devices/${CONTROLLER_BUS_ID}/power/control <<<on" | ||
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| say 'Waiting 1 second' | ||
| execute "sleep 1" | ||
|
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| if [[ ! -d "/sys/bus/pci/devices/${DEVICE_BUS_ID}" ]]; then | ||
| say 'Rescanning PCI devices' | ||
| execute "$TEE /sys/bus/pci/rescan <<<1" | ||
| say "Waiting ${BUS_RESCAN_WAIT_SEC} second for rescan" | ||
| execute "sleep ${BUS_RESCAN_WAIT_SEC}" | ||
| fi | ||
|
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||
| say 'Turning the card on' | ||
| execute "$TEE /sys/bus/pci/devices/${DEVICE_BUS_ID}/power/control <<<on" | ||
| fi | ||
| } | ||
|
|
||
| function load_modules { | ||
| for module in "${MODULES_LOAD[@]}" | ||
| do | ||
| say "Loading module ${module}" | ||
| execute "modprobe ${module}" | ||
| done | ||
| } | ||
|
|
||
| function unload_modules { | ||
| for module in "${MODULES_UNLOAD[@]}" | ||
| do | ||
| say "Unloading module ${module}" | ||
| execute "modprobe -r ${module}" | ||
| done | ||
| } | ||
|
|
||
| # parse command line flags | ||
| while [[ "${1:0:1}" == "-" ]]; do | ||
| case "$1" in | ||
| -d) | ||
| DRY_RUN=1 | ||
| ;; | ||
| -v) | ||
| VERBOSE=1 | ||
| ;; | ||
| -*) | ||
| printHelp | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| shift 1 | ||
| done | ||
|
|
||
| # allows tee to print in the stdout | ||
| if [[ "$VERBOSE" == '1' ]]; then | ||
| TEE='tee' | ||
| fi | ||
|
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||
| if [[ $EUID -ne 0 ]]; then | ||
| echo "This script must be run as root" >&2 | ||
| exit 1 | ||
| fi | ||
|
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||
| # load config file | ||
| . /etc/default/nvidia-xrun | ||
|
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| # this is used by the systemd service to turn off the gpu at boot | ||
| if [[ "$TURN_OFF_GPU_ONLY" == '1' ]]; then | ||
| turn_off_gpu | ||
| exit 0 | ||
| fi | ||
|
|
||
| case $1 in | ||
| on) | ||
| # --------- TURNING ON GPU ----------- | ||
| if [[ "$ENABLE_PM" == '1' ]]; then | ||
| turn_on_gpu | ||
| fi | ||
|
|
||
| # ---------- LOADING MODULES ---------- | ||
| load_modules | ||
| ;; | ||
| off) | ||
| # ---------- UNLOADING MODULES -------- | ||
| unload_modules | ||
|
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| # --------- TURNING OFF GPU ---------- | ||
| if [[ "$ENABLE_PM" == '1' ]]; then | ||
| turn_off_gpu | ||
| fi | ||
| ;; | ||
| *) | ||
| printHelp | ||
| exit 1 | ||
| ;; | ||
| esac |
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This will include rough summary of upstream's PRs that I merged into this fork:
Merged PRs:
Other PRs that do the same thing, so skipped: README.md: fix path with merge #102 Witko/nvidia-xrun#125 & Fix path in README.md Witko/nvidia-xrun#136
Additional changes:
Based on Refactor script to be sudoers-friendly Witko/nvidia-xrun#87, but on top of the latest commit (af3b734) + above PRs.
Filessection fromnvidia-xorg.conf.This is an intentional change specifically aimed at Ubuntu installations.
I'm not sure about the specifics, but it seems that the paths will be populated by a bunch of built-in Ubuntu-specific X.org configs anyway.