#!/bin/sh

# 1.8GHz Settings:
# 1800 Max, 1200 Mem, 1100 Volt

# 2GHz Settings:
# 2000 Max, 1200 Mem, 1176 Volt

# 2.1GHz Settings:
# 2100 Max, 1200 Mem, 1185 Volt

CORE_MIN="1000"
CORE_MAX="1800"
MEM_CLK="1200"
VOLT="1098"
P_LIMIT="300"

sudo chmod +x /sys/class/drm/card0/device/pp_od_clk_voltage

# protect against overvolting
if [[ "${VOLT}" -ge "1200" ]]; then
  echo "Voltage is set to ${VOLT} which could cause damage. Terminating."
  exit
fi

# change performance leve to manual
sudo sh -c "echo 'high' > /sys/class/drm/card0/device/power_dpm_force_performance_level"

# change power limit
sudo sh -c "echo '${P_LIMIT}000000' > /sys/class/drm/card0/device/hwmon/hwmon2/power1_cap"

# set pstate 2 voltage to 1010mv for 1801mhz
sudo sh -c "echo 'vc 2 ${CORE_MAX} ${VOLT}' > /sys/class/drm/card0/device/pp_od_clk_voltage"
sudo sh -c "echo 'c' > /sys/class/drm/card0/device/pp_od_clk_voltage"

# set min/max core clock
sudo sh -c "echo 's 0 ${CORE_MIN}' > /sys/class/drm/card0/device/pp_od_clk_voltage"
sudo sh -c "echo 's 1 ${CORE_MAX}' > /sys/class/drm/card0/device/pp_od_clk_voltage"
sudo sh -c "echo 'c' > /sys/class/drm/card0/device/pp_od_clk_voltage"

# set mem clock to 1200
sudo sh -c "echo 'm 1 ${MEM_CLK}' > /sys/class/drm/card0/device/pp_od_clk_voltage"
sudo sh -c "echo 'c' > /sys/class/drm/card0/device/pp_od_clk_voltage"

echo "Core set to ${CORE_MIN}/${CORE_MAX}"
echo "Memory set to ${MEM_CLK}"
echo "Voltage set to ${VOLT}mV"
echo "Power limit set to ${P_LIMIT}%"

exit