#!/bin/bash
# script for tuned AMDGPU clock control
# clocks in 3D usage are dynamic based on need/usage
#
# this sets the minimums / maximums
#
# rendered by Ansible with environment-appropriate values:
#   card #, eg: card0
#   min/max GPU clocks

# send a reset for a clean slate
# echo 'r' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage

# set manual control mode
echo 'manual' | tee /sys/class/drm/{{ card }}/device/power_dpm_force_performance_level

# set the minimum GPU clock
echo 's 0 {{ gpu_clock_min }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage

# set the maximum GPU clock
echo 's 1 {{ gpu_clock_max }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage

# set the maximum GPU *memory* clock
echo 'm 1 {{ gpumem_clock_max }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage

{% if gpu_mv_offset is defined %}
# offset GPU voltage {{ gpu_mv_offset }}mV
echo 'vo {{ gpu_mv_offset }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
{% endif %}

# commit the changes
echo 'c' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage

# force GPU memory into highest profile
echo '3' | tee /sys/class/drm/{{ card }}/device/pp_dpm_mclk