diff options
Diffstat (limited to 'dgpu-toggle/usr/bin')
| -rwxr-xr-x | dgpu-toggle/usr/bin/gpu-toggle | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/dgpu-toggle/usr/bin/gpu-toggle b/dgpu-toggle/usr/bin/gpu-toggle deleted file mode 100755 index 4e1ddd2..0000000 --- a/dgpu-toggle/usr/bin/gpu-toggle +++ /dev/null @@ -1,87 +0,0 @@ -#!/bin/bash - -# ------------------------------------------------------------------------- -# GPU-SWITCH: Discrete Graphics Power & Bus Management -# Target: Razer Blade Stealth 13 (Late 2019) | Void Linux -# ------------------------------------------------------------------------- - -# Configuration: Static PCI Identifier for Turing dGPU -# We use a static ID because the device disappears from the bus when disabled. -DEVICE_ID="57:00.0" -PCI_PATH="/sys/bus/pci/devices/0000:$DEVICE_ID" -REQUIRED_MODULES=("nvidia_drm" "nvidia_modeset" "nvidia_uvm" "nvidia") - -if [[ $EUID -ne 0 ]]; then - echo "[ERROR] Elevated privileges required. Please execute with sudo." - exit 1 -fi - -check_status() { - echo "--- System Graphics Status ---" - if [ -d "$PCI_PATH" ]; then - echo "Hardware State: [ ONLINE ] at $DEVICE_ID" - if lsmod | grep -q "nvidia"; then - echo "Driver State: [ LOADED ]" - else - echo "Driver State: [ UNLOADED ]" - fi - else - echo "Hardware State: [ OFFLINE ] (Device removed from PCI bus)" - echo "Driver State: [ UNLOADED ]" - fi - echo "------------------------------" -} - -disable_gpu() { - echo "[INFO] Initializing dGPU shutdown sequence..." - - # 1. Unload Kernel Modules - echo "[STEP 1/2] Terminating NVIDIA kernel modules..." - for mod in "${REQUIRED_MODULES[@]}"; do - if lsmod | grep -q "$mod"; then - modprobe -r "$mod" 2>/dev/null - if [ $? -ne 0 ]; then - echo "[WARN] Module $mod is currently in use. Ensure Xorg/i3 is not using the dGPU." - fi - fi - done - - # 2. Physical Bus Removal - if [ -d "$PCI_PATH" ]; then - echo "[STEP 2/2] Detaching device from PCI bus..." - echo 1 > "$PCI_PATH/remove" - echo "[SUCCESS] dGPU has been isolated and powered down." - else - echo "[SKIP] Device is already detached from the bus." - fi -} - -enable_gpu() { - echo "[INFO] Initializing dGPU activation sequence..." - - # 1. Trigger PCI Rescan - echo "[STEP 1/2] Scanning PCI bridge for hardware changes..." - echo 1 > /sys/bus/pci/rescan - - # Allow firmware-level handshake - sleep 2 - - # 2. Validate and Load Drivers - if [ -d "$PCI_PATH" ]; then - echo "[STEP 2/2] Hardware detected at $DEVICE_ID. Loading modules..." - for mod in "nvidia" "nvidia_uvm" "nvidia_modeset" "nvidia_drm"; do - modprobe "$mod" - done - echo "[SUCCESS] dGPU is now online and available for Prime Offload." - else - echo "[FATAL] Hardware failed to initialize at $DEVICE_ID." - echo "[DEBUG] Check 'dmesg | tail' for PCI link training errors." - fi -} - -case "$1" in - on) enable_gpu ;; - off) disable_gpu ;; - status) check_status ;; - *) echo "Usage: gpu-switch {on|off|status}" ;; -esac |