#!/bin/bash
# script for tuned AMDGPU clock control
# configures GPU power/clock characteristics
# clocks/power in 3D are dynamic based on need/usage
#
# for 'amdgpu-default' tuned profiles, this will reset the characteristics to default
# for others this will apply overclocking settings -- leaving clock choices to the associated power profile (eg: VR)
#
# rendered by Ansible with environment-appropriate values:
#   card #, eg: card0
#   path to discovered sysfs device files (power/clock/voltage control)
#
# AMDGPU driver/sysfs references:
#   https://01.org/linuxgraphics/gfx-docs/drm/gpu/amdgpu.html
#   https://docs.kernel.org/gpu/amdgpu/thermal.html
#
# start by including the 'common' script; determines card/hwmon dir/power profiles/power capability
. $(dirname "${BASH_SOURCE[0]}")/amdgpu-common.sh

{# begin the templated script for 'default' profiles to reset state #}
# set control mode back to auto
#   attempts to dynamically set optimal power profile for (load) conditions
echo 'auto' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level

# reset any existing profile clock changes
echo 'r' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage

# adjust power limit using multiplier against board capability
POWER_LIM_DEFAULT=$(/usr/bin/awk -v m="$POWER_CAP" -v n={{ gpu_power_multi.default }} 'BEGIN {printf "%.0f", (m*n)}')
echo "$POWER_LIM_DEFAULT" | tee "${HWMON_DIR}/power1_cap"

# extract the power-saving profile ID number
PROF_DEFAULT_NUM=$(/usr/bin/awk '$0 ~ /BOOTUP_DEFAULT.*:/ {print $1}' <<< "$PROFILE_MODES")

# reset power/clock heuristics to power-saving
echo "${PROF_DEFAULT_NUM}" | tee /sys/class/drm/"${CARD}"/device/pp_power_profile_mode