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fix: automatically clamp power cap to the allowed range on AMD (#1080)

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This commit is contained in:
Ilya Zlobintsev
2026-06-22 17:53:58 +03:00
committed by GitHub
parent 14c0973823
commit 0052c47ce3
2 changed files with 19 additions and 4 deletions
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lact-daemon/src/server/gpu_controller/amd.rs
+18 -3
View File
@@ -1350,9 +1350,24 @@ impl GpuController for AmdGpuController {
if let Some(configured_cap) = config.power_cap {
let hw_mon = self.first_hw_mon()?;
hw_mon
.set_power_cap(configured_cap)
.with_context(|| format!("Failed to set power cap: {configured_cap}"))?;
match (hw_mon.get_power_cap_min(), hw_mon.get_power_cap_max()) {
(Ok(min), Ok(max)) => {
let clamped_cap = configured_cap.clamp(min, max);
if clamped_cap != configured_cap {
warn!(
"Power cap {configured_cap}W was outside of the allowed range, clamped to {clamped_cap}W"
);
}
hw_mon.set_power_cap(clamped_cap).with_context(|| {
format!("Failed to set power cap: {configured_cap}")
})?;
}
(Err(err), _) | (_, Err(err)) => {
bail!("Could not read allowed power cap range: {err:#}");
}
}
} else if let Ok(hw_mon) = self.first_hw_mon()
&& let Ok(default_cap) = hw_mon.get_power_cap_default()
&& Ok(default_cap) != hw_mon.get_power_cap()
lact-daemon/src/tests/snapshots/lact_daemon__tests__apply_config__amd__rx7900xtx__config.yaml.snap
+1 -1
View File
@@ -13,7 +13,7 @@ expression: write_commands
"card0/device/gpu_od/fan_ctrl/fan_curve: 2 60 22\n",
"card0/device/gpu_od/fan_ctrl/fan_curve: 3 70 29\n",
"card0/device/gpu_od/fan_ctrl/fan_curve: 4 86 60\n",
"card0/device/hwmon/hwmon8/power1_cap: 245000000",
"card0/device/hwmon/hwmon8/power1_cap: 261000000",
"card0/device/gpu_od/fan_ctrl/fan_curve: c\n",
"card0/device/pp_od_clk_voltage: c\n",
]