home-server

#!/bin/bash
# Usage: gpu-profile [gaming|llm|video|auto]
GPU_PATH="/sys/class/drm/card1/device"
PWR_CAP="/sys/class/drm/card1/device/hwmon/hwmon1/power1_cap"
CAP_MAX=374000000   # 374W — hardware max
CAP_NORMAL=330000000 # 330W — normal cap

case "${1:-auto}" in
  gaming)
    echo 1 | sudo tee $GPU_PATH/pp_power_profile_mode > /dev/null
    echo $CAP_MAX | sudo tee $PWR_CAP > /dev/null
    echo "GPU: 3D_FULL_SCREEN + 374W cap (gaming)" ;;
  llm)
    echo 5 | sudo tee $GPU_PATH/pp_power_profile_mode > /dev/null
    echo $CAP_NORMAL | sudo tee $PWR_CAP > /dev/null
    echo "GPU: COMPUTE + 330W cap (LLM inference)" ;;
  video)
    echo 3 | sudo tee $GPU_PATH/pp_power_profile_mode > /dev/null
    echo $CAP_NORMAL | sudo tee $PWR_CAP > /dev/null
    echo "GPU: VIDEO + 330W cap (transcoding)" ;;
  auto)
    echo 0 | sudo tee $GPU_PATH/pp_power_profile_mode > /dev/null
    echo $CAP_NORMAL | sudo tee $PWR_CAP > /dev/null
    echo "GPU: BOOTUP_DEFAULT + 330W cap (auto)" ;;
  *)
    echo "Usage: gpu-profile [gaming|llm|video|auto]" ;;
esac