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Unset slow memory properly, if the kernel behaved as documented

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NGnius (Graham) 2023-08-24 21:22:43 -04:00
parent 5f6370e778
commit 33c41c3e3d
1 changed files with 16 additions and 6 deletions
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10
backend/src/settings/steam_deck/gpu.rs
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@ -182,12 +182,22 @@ impl Gpu {
fn set_slow_memory(&self, slow: bool) -> Result<(), SettingError> { fn set_slow_memory(&self, slow: bool) -> Result<(), SettingError> {
let path = GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.path(&self.sysfs_card); let path = GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.path(&self.sysfs_card);
if slow {
self.sysfs_card.set(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned(), slow as u8).map_err(|e| { self.sysfs_card.set(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned(), slow as u8).map_err(|e| {
SettingError { SettingError {
msg: format!("Failed to write to `{}`: {}", path.display(), e), msg: format!("Failed to write to `{}`: {}", path.display(), e),
setting: crate::settings::SettingVariant::Gpu, setting: crate::settings::SettingVariant::Gpu,
} }
}) })
} else {
// NOTE: there is a GPU driver/hardware bug that prevents this from working
self.sysfs_card.set(GPU_MEMORY_DOWNCLOCK_ATTRIBUTE.to_owned(), "0 1\n").map_err(|e| {
SettingError {
msg: format!("Failed to write to `{}`: {}", path.display(), e),
setting: crate::settings::SettingVariant::Gpu,
}
})
}
} }
fn set_force_performance_related(&mut self) -> Result<(), Vec<SettingError>> { fn set_force_performance_related(&mut self) -> Result<(), Vec<SettingError>> {