gpu undervault

gpu-clock.service

[Unit]
Description=set gpu signal clock and voultage

[Service]
User=root
# ExecStartPre=/bin/sleep 5
ExecStart=/bin/bash -c 'echo "s 1 1704" > /sys/class/drm/card0/device/pp_od_clk_voltage && \
          echo "vc 0 500 700" > /sys/class/drm/card0/device/pp_od_clk_voltage && \
          echo "vc 1 1102 775" > /sys/class/drm/card0/device/pp_od_clk_voltage && \
          echo "vc 2 1704 999" > /sys/class/drm/card0/device/pp_od_clk_voltage && \
          echo "c" > /sys/class/drm/card0/device/pp_od_clk_voltage'

[Install]
WantedBy=default.target