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Add workaround for CPU clocks not being unset by kernel correctly, fixes #107

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NGnius (Graham) 2023-05-29 19:40:57 -04:00
parent 8c77630fb4
commit 441a635163
1 changed files with 39 additions and 9 deletions
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48
backend/src/settings/steam_deck/cpu.rs
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@ -315,7 +315,10 @@ impl Cpu {
let mut errors = Vec::new();
self.state.clock_limits_set = false;
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(false, self.index);
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
.enforce_level()?;
if POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
// always set clock speeds, since it doesn't reset correctly (kernel/hardware bug)
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.enforce_level()?;
// disable manual clock limits
log::debug!("Setting CPU {} to default clockspeed", self.index);
@ -326,9 +329,8 @@ impl Cpu {
Self::set_clock_limit(self.index, self.limits.clock_min.min, ClockType::Min)
.unwrap_or_else(|e| errors.push(e));
}
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT
.enforce_level()
.unwrap_or_else(|mut e| errors.append(&mut e));
// TODO remove this when it's no longer needed
self.clock_unset_workaround().unwrap_or_else(|mut e| errors.append(&mut e));
if errors.is_empty() {
Ok(())
} else {
@ -339,6 +341,39 @@ impl Cpu {
}
}
// https://github.com/NGnius/PowerTools/issues/107
fn clock_unset_workaround(&self) -> Result<(), Vec<SettingError>> {
let mut errors = Vec::new();
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(true, self.index);
// always set clock speeds, since it doesn't reset correctly (kernel/hardware bug)
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.enforce_level()?;
// disable manual clock limits
log::debug!("Setting CPU {} to default clockspeed", self.index);
// max clock
Self::set_clock_limit(self.index, self.limits.clock_max.max, ClockType::Max)
.unwrap_or_else(|e| errors.push(e));
// min clock
Self::set_clock_limit(self.index, self.limits.clock_min.min, ClockType::Min)
.unwrap_or_else(|e| errors.push(e));
Self::set_confirm().unwrap_or_else(|e| errors.push(e));
POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.set_cpu(false, self.index);
if errors.is_empty() {
Ok(())
} else {
Err(errors)
}
}
fn set_confirm() -> Result<(), SettingError> {
usdpl_back::api::files::write_single(CPU_CLOCK_LIMITS_PATH, "c\n").map_err(|e| {
SettingError {
msg: format!("Failed to write `c` to `{}`: {}", CPU_CLOCK_LIMITS_PATH, e),
setting: crate::settings::SettingVariant::Cpu,
}
})
}
fn set_force_performance_related(&mut self) -> Result<(), Vec<SettingError>> {
let mut errors = Vec::new();
@ -350,12 +385,7 @@ impl Cpu {
// commit changes (if no errors have already occured)
if errors.is_empty() {
if POWER_DPM_FORCE_PERFORMANCE_LEVEL_MGMT.needs_manual() {
usdpl_back::api::files::write_single(CPU_CLOCK_LIMITS_PATH, "c\n").map_err(|e| {
vec![SettingError {
msg: format!("Failed to write `c` to `{}`: {}", CPU_CLOCK_LIMITS_PATH, e),
setting: crate::settings::SettingVariant::Cpu,
}]
})
Self::set_confirm().map_err(|e| vec![e])
} else {
Ok(())
}