jlay/tuned-amdgpu
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make card# assignment dynamic, clean up linting

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This commit is contained in:
Josh Lay 2022-11-03 20:04:59 -05:00
parent e535ea3ebc
commit f18704dbfe
Signed by: jlay
GPG key ID: B265E45CACAD108A
4 changed files with 94 additions and 59 deletions
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27
templates/amdgpu-clock.sh.j2
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@ -13,18 +13,23 @@
# AMDGPU driver/sysfs references:
# https://01.org/linuxgraphics/gfx-docs/drm/gpu/amdgpu.html
# https://docs.kernel.org/gpu/amdgpu/thermal.html
{# done this way to avoid issues with the card number possibly shifting after playbook run #}
# dynamically determine the connected GPU using the DRM subsystem
CARD=$(/usr/bin/grep -ls ^connected /sys/class/drm/*/status | /usr/bin/grep -o 'card[0-9]' | /usr/bin/sort | /usr/bin/uniq | /usr/bin/tail -1)
{# begin the templated script for 'default' profiles to reset state #}
{% if 'default' in item.0.key %}
# set power state transition heuristics to default
echo '{{ item.0.value.pwrmode }}' | tee /sys/class/drm/{{ card }}/device/pp_power_profile_mode
echo '{{ item.0.value.pwrmode }}' | tee /sys/class/drm/"${CARD}"/device/pp_power_profile_mode
# 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
echo 'auto' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level
# reset any existing profile clock changes
echo 'r' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
echo 'r' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
# give default profile {{ power_max_default_multi * 100.0 |int }}% of the max power capability
# {{ power_cap_default|int/1000000 }} Watts of {{ power_max|int/1000000 }} total
@ -36,34 +41,34 @@ echo '{{ power_cap_default }}' | tee {{ powercap_set.files.0.path }}
# allows control via 'pp_dpm_mclk', 'pp_dpm_sclk', 'pp_dpm_pcie', 'pp_dpm_fclk', and 'pp_power_profile_mode' files
# only interested in 'pp_power_profile_mode' for power and 'pp_dpm_mclk' for memory clock (flickering).
# GPU clocks are dynamic based on (load) condition
echo 'manual' | tee /sys/class/drm/{{ card }}/device/power_dpm_force_performance_level
echo 'manual' | tee /sys/class/drm/"${CARD}"/device/power_dpm_force_performance_level
# set power state transition heuristics to '{{ item.0.key }}' profile
echo '{{ item.0.value.pwrmode }}' | tee /sys/class/drm/{{ card }}/device/pp_power_profile_mode
echo '{{ item.0.value.pwrmode }}' | tee /sys/class/drm/"${CARD}"/device/pp_power_profile_mode
# give this profile {{ power_max_custom_multi * 100.0 |int }}% of the max power capability
# {{ power_cap_custom|int/1000000 }} Watts of {{ power_max|int/1000000 }} total
echo '{{ power_cap_custom }}' | tee {{ powercap_set.files.0.path }}
# set the minimum GPU clock
echo 's 0 {{ gpu_clock_min }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
echo 's 0 {{ gpu_clock_min }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
# set the maximum GPU clock
echo 's 1 {{ gpu_clock_max }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
echo 's 1 {{ gpu_clock_max }}' | tee /sys/class/drm/"${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
echo 'm 1 {{ gpumem_clock_max }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
{% if gpu_mv_offset is defined %}
# offset GPU voltage {{ gpu_mv_offset }}mV
echo 'vo {{ gpu_mv_offset }}' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
echo 'vo {{ gpu_mv_offset }}' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
{% endif %}
# commit the changes
echo 'c' | tee /sys/class/drm/{{ card }}/device/pp_od_clk_voltage
echo 'c' | tee /sys/class/drm/"${CARD}"/device/pp_od_clk_voltage
# force GPU memory into highest clock (fix flickering)
# pp_dpm_*clk settings are unintuitive, giving profiles that may be used
# opt not to set the others (eg: sclk/fclk) - those should remain for benefits from the curve
echo '3' | tee /sys/class/drm/{{ card }}/device/pp_dpm_mclk
echo '3' | tee /sys/class/drm/"${CARD}"/device/pp_dpm_mclk
{% endif %}