84 lines
1.8 KiB
Plaintext
84 lines
1.8 KiB
Plaintext
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#!/usr/bin/env bash
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# Extracted frm nvidia-xrun
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DRY_RUN=0
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function execute {
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if [[ ${DRY_RUN} -eq 1 ]]
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then
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echo ">>Dry run. Command: $*"
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else
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eval $*
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fi
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}
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function turn_off_gpu {
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if [[ "$REMOVE_DEVICE" == '1' ]]; then
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echo 'Removing Nvidia bus from the kernel'
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execute "sudo tee /sys/bus/pci/devices/${DEVICE_BUS_ID}/remove <<<1"
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else
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echo 'Enabling powersave for the graphic card'
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execute "sudo tee /sys/bus/pci/devices/${DEVICE_BUS_ID}/power/control <<<auto"
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fi
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echo 'Enabling powersave for the PCIe controller'
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execute "sudo tee /sys/bus/pci/devices/${CONTROLLER_BUS_ID}/power/control <<<auto"
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}
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function turn_on_gpu {
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echo 'Turning the PCIe controller on to allow card rescan'
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execute "sudo tee /sys/bus/pci/devices/${CONTROLLER_BUS_ID}/power/control <<<on"
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echo 'Waiting 1 second'
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execute "sleep 1"
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if [[ ! -d /sys/bus/pci/devices/${DEVICE_BUS_ID} ]]; then
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echo 'Rescanning PCI devices'
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execute "sudo tee /sys/bus/pci/rescan <<<1"
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echo "Waiting ${BUS_RESCAN_WAIT_SEC} second for rescan"
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execute "sleep ${BUS_RESCAN_WAIT_SEC}"
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fi
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echo 'Turning the card on'
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execute "sudo tee /sys/bus/pci/devices/${DEVICE_BUS_ID}/power/control <<<on"
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}
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function load_modules {
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for module in "${MODULES_LOAD[@]}"
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do
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echo "Loading module ${module}"
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execute "sudo modprobe ${module}"
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done
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}
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function unload_modules {
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for module in "${MODULES_UNLOAD[@]}"
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do
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echo "Unloading module ${module}"
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execute "sudo modprobe -r ${module}"
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done
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}
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if [[ "$1" == "-d" ]]
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then
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DRY_RUN=1
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shift 1
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fi
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# load config file
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. /etc/default/nvidia-xrun
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if [ "$1" == "on" ]
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then
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turn_on_gpu
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load_modules
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elif [ "$1" == "off" ]
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then
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unload_modules
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turn_off_gpu
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else
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echo "Usage: $0 [on|off]"
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fi
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