Groundwork for RyzenAdj and fix some system defaults

backend/limits_core/src/json/conditions.rs

@@ -17,6 +17,10 @@ pub struct Conditions {
 
 impl Conditions {
     pub fn is_empty(&self) -> bool {
-        self.dmi.is_none() && self.cpuinfo.is_none() && self.os.is_none() && self.command.is_none()
+        self.dmi.is_none()
+            && self.cpuinfo.is_none()
+            && self.os.is_none()
+            && self.command.is_none()
+            && self.file_exists.is_none()
     }
 }

backend/limits_core/src/json/cpu_limit.rs

@@ -1,15 +1,20 @@
 use serde::{Deserialize, Serialize};
 
+use super::RangeLimit;
+
 #[derive(Serialize, Deserialize, Debug, Clone)]
 #[serde(tag = "target")]
 pub enum CpuLimit {
     SteamDeck,
     SteamDeckAdvance,
     Generic(GenericCpuLimit),
+    GenericAMD(GenericCpuLimit),
     Unknown,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct GenericCpuLimit {
-    /* TODO */
+    pub clock_min: Option<RangeLimit<u64>>,
+    pub clock_max: Option<RangeLimit<u64>>,
+    pub clock_step: u64,
 }

backend/limits_core/src/json/gpu_limit.rs

@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use super::RangeLimit;
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 #[serde(tag = "target")]
@@ -6,10 +7,19 @@ pub enum GpuLimit {
     SteamDeck,
     SteamDeckAdvance,
     Generic(GenericGpuLimit),
+    GenericAMD(GenericGpuLimit),
     Unknown,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct GenericGpuLimit {
-    /* TODO */
+    pub fast_ppt: Option<RangeLimit<u64>>,
+    pub slow_ppt: Option<RangeLimit<u64>>,
+    pub ppt_step: Option<u64>,
+    pub tdp: Option<RangeLimit<u64>>,
+    pub tdp_boost: Option<RangeLimit<u64>>,
+    pub tdp_step: Option<u64>,
+    pub clock_min: Option<RangeLimit<u64>>,
+    pub clock_max: Option<RangeLimit<u64>>,
+    pub clock_step: Option<u64>,
 }

backend/limits_core/src/json/mod.rs

@@ -5,6 +5,7 @@ mod config;
 mod cpu_limit;
 mod gpu_limit;
 mod limits;
+mod range;
 mod target;
 
 pub use base::Base;
@@ -14,4 +15,5 @@ pub use cpu_limit::{CpuLimit, GenericCpuLimit};
 pub use gpu_limit::{GpuLimit, GenericGpuLimit};
 pub use config::Config;
 pub use limits::Limits;
+pub use range::RangeLimit;
 pub use target::Target;

backend/limits_core/src/json/range.rs

@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+/// Base JSON limits information
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct RangeLimit<T> {
+    pub min: T,
+    pub max: T,
+}

backend/src/api/api_types.rs

@@ -6,6 +6,13 @@ pub struct RangeLimit<T> {
     pub max: T,
 }
 
+impl<T> From<limits_core::json::RangeLimit<T>> for RangeLimit<T> {
+    #[inline]
+    fn from(other: limits_core::json::RangeLimit<T>) -> Self {
+        RangeLimit { min: other.min, max: other.max }
+    }
+}
+
 #[derive(Serialize, Deserialize)]
 pub struct SettingsLimits {
     pub battery: BatteryLimits,

backend/src/persist/driver.rs

@@ -10,6 +10,8 @@ pub enum DriverJson {
     SteamDeckAdvance,
     #[serde(rename = "generic")]
     Generic,
+    #[serde(rename = "generic-amd")]
+    GenericAMD,
     #[serde(rename = "unknown")]
     Unknown,
     #[default]

backend/src/settings/detect/auto_detect.rs

@@ -98,6 +98,7 @@ pub fn auto_detect0(settings_opt: Option<SettingsJson>, json_path: std::path::Pa
                                 CpuLimit::SteamDeck => Box::new(crate::settings::steam_deck::Cpus::from_json(settings.cpus.clone(), settings.version)),
                                 CpuLimit::SteamDeckAdvance => Box::new(crate::settings::steam_deck::Cpus::from_json(settings.cpus.clone(), settings.version)),
                                 CpuLimit::Generic(x) => Box::new(crate::settings::generic::Cpus::from_json_and_limits(settings.cpus.clone(), settings.version, x)),
+                                CpuLimit::GenericAMD(x) => Box::new(crate::settings::generic_amd::Cpus::from_json_and_limits(settings.cpus.clone(), settings.version, x)),
                                 CpuLimit::Unknown => Box::new(crate::settings::unknown::Cpus::from_json(settings.cpus.clone(), settings.version)),
                             };
                             builder.cpus = Some(cpu_driver);
@@ -107,6 +108,7 @@ pub fn auto_detect0(settings_opt: Option<SettingsJson>, json_path: std::path::Pa
                                 GpuLimit::SteamDeck => Box::new(crate::settings::steam_deck::Gpu::from_json(settings.gpu.clone(), settings.version)),
                                 GpuLimit::SteamDeckAdvance => Box::new(crate::settings::steam_deck::Gpu::from_json(settings.gpu.clone(), settings.version)),
                                 GpuLimit::Generic(x) => Box::new(crate::settings::generic::Gpu::from_json_and_limits(settings.gpu.clone(), settings.version, x)),
+                                GpuLimit::GenericAMD(x) => Box::new(crate::settings::generic_amd::Gpu::from_json_and_limits(settings.gpu.clone(), settings.version, x)),
                                 GpuLimit::Unknown => Box::new(crate::settings::unknown::Gpu::from_json(settings.gpu.clone(), settings.version)),
                             };
                             builder.gpu = Some(driver);
@@ -130,6 +132,7 @@ pub fn auto_detect0(settings_opt: Option<SettingsJson>, json_path: std::path::Pa
                                 CpuLimit::SteamDeck => Box::new(crate::settings::steam_deck::Cpus::system_default()),
                                 CpuLimit::SteamDeckAdvance => Box::new(crate::settings::steam_deck::Cpus::system_default()),
                                 CpuLimit::Generic(x) => Box::new(crate::settings::generic::Cpus::from_limits(x)),
+                                CpuLimit::GenericAMD(x) => Box::new(crate::settings::generic_amd::Cpus::from_limits(x)),
                                 CpuLimit::Unknown => Box::new(crate::settings::unknown::Cpus::system_default()),
                             };
                             builder.cpus = Some(cpu_driver);
@@ -139,6 +142,7 @@ pub fn auto_detect0(settings_opt: Option<SettingsJson>, json_path: std::path::Pa
                                 GpuLimit::SteamDeck => Box::new(crate::settings::steam_deck::Gpu::system_default()),
                                 GpuLimit::SteamDeckAdvance => Box::new(crate::settings::steam_deck::Gpu::system_default()),
                                 GpuLimit::Generic(x) => Box::new(crate::settings::generic::Gpu::from_limits(x)),
+                                GpuLimit::GenericAMD(x) => Box::new(crate::settings::generic_amd::Gpu::from_limits(x)),
                                 GpuLimit::Unknown => Box::new(crate::settings::unknown::Gpu::system_default()),
                             };
                             builder.gpu = Some(driver);

backend/src/settings/driver.rs

@@ -52,17 +52,7 @@ impl Driver {
                     gpu: Box::new(super::steam_deck::Gpu::from_json(settings.gpu, settings.version)),
                     battery: Box::new(super::steam_deck::Battery::from_json(settings.battery, settings.version)),
                 }),
-                DriverJson::Generic => Ok(Self {
+                DriverJson::Generic | DriverJson::GenericAMD => Ok(super::detect::auto_detect0(Some(settings), json_path)),
-                    general: Box::new(General {
-                        persistent: settings.persistent,
-                        path: json_path,
-                        name: settings.name,
-                        driver: DriverJson::Unknown,
-                    }),
-                    cpus: Box::new(super::generic::Cpus::from_json(settings.cpus, settings.version)),
-                    gpu: Box::new(super::generic::Gpu::from_json(settings.gpu, settings.version)),
-                    battery: Box::new(super::generic::Battery),
-                }),
                 DriverJson::Unknown => Ok(super::detect::auto_detect0(Some(settings), json_path)),
                 DriverJson::AutoDetect => Ok(super::detect::auto_detect0(Some(settings), json_path)),
             }
@@ -83,7 +73,7 @@ pub fn maybe_do_button() {
         DriverJson::SteamDeck | DriverJson::SteamDeckAdvance => {
             crate::settings::steam_deck::flash_led();
         },
-        DriverJson::Generic => log::warn!("You need to come up with something fun on generic"),
+        DriverJson::Generic | DriverJson::GenericAMD => log::warn!("You need to come up with something fun on generic"),
         DriverJson::Unknown => log::warn!("Can't do button activities on unknown platform"),
         DriverJson::AutoDetect => log::warn!("WTF, why is auto_detect detecting AutoDetect???")
     }

backend/src/settings/generic/battery.rs

@@ -1,11 +1,16 @@
 use std::convert::Into;
 
+use limits_core::json::GenericBatteryLimit;
+
 use crate::settings::{OnResume, OnSet, SettingError};
 use crate::settings::TBattery;
 use crate::persist::BatteryJson;
 
 #[derive(Debug, Clone)]
-pub struct Battery;
+pub struct Battery {
+    #[allow(dead_code)]
+    limits: GenericBatteryLimit,
+}
 
 impl Into<BatteryJson> for Battery {
     #[inline]
@@ -39,14 +44,18 @@ impl Battery {
         }
     }
 
-    pub fn from_limits(_limits: limits_core::json::GenericBatteryLimit) -> Self {
+    pub fn from_limits(limits: limits_core::json::GenericBatteryLimit) -> Self {
         // TODO
-        Self
+        Self {
+            limits
+        }
     }
 
-    pub fn from_json_and_limits(_other: BatteryJson, _version: u64, _limits: limits_core::json::GenericBatteryLimit) -> Self {
+    pub fn from_json_and_limits(_other: BatteryJson, _version: u64, limits: limits_core::json::GenericBatteryLimit) -> Self {
         // TODO
-        Self
+        Self {
+            limits
+        }
     }
 }
 

backend/src/settings/generic/cpu.rs

@@ -1,5 +1,7 @@
 use std::convert::Into;
 
+use limits_core::json::GenericCpuLimit;
+
 use crate::settings::MinMax;
 use crate::settings::{OnResume, OnSet, SettingError};
 use crate::settings::{TCpus, TCpu};
@@ -42,7 +44,7 @@ impl OnSet for Cpus {
             }
         }
         for (i, cpu) in self.cpus.as_mut_slice().iter_mut().enumerate() {
-            cpu.state.do_set_online = self.smt || i % 2 == 0;
+            cpu.state.do_set_online = self.smt || i % 2 == 0 || !self.smt_capable;
             cpu.on_set()?;
         }
         Ok(())
@@ -79,32 +81,26 @@ impl Cpus {
         }
     }
 
-    pub fn system_default() -> Self {
+    pub fn from_limits(limits: limits_core::json::GenericCpuLimit) -> Self {
-        if let Some(max_cpu) = Self::cpu_count() {
+        let cpu_count = Self::cpu_count().unwrap_or(8);
-            let mut sys_cpus = Vec::with_capacity(max_cpu);
+        let (_, can_smt) = Self::system_smt_capabilities();
-            for i in 0..max_cpu {
+        let mut new_cpus = Vec::with_capacity(cpu_count);
-                sys_cpus.push(Cpu::from_sys(i));
+        for i in 0..cpu_count {
+            let new_cpu = Cpu::from_limits(i, limits.clone());
+            new_cpus.push(new_cpu);
         }
-            let (smt_status, can_smt) = Self::system_smt_capabilities();
         Self {
-                cpus: sys_cpus,
+            cpus: new_cpus,
-                smt: smt_status,
+            smt: true,
             smt_capable: can_smt,
         }
-        } else {
-            Self {
-                cpus: vec![],
-                smt: false,
-                smt_capable: false,
-            }
-        }
     }
 
-    #[inline]
+    pub fn from_json_and_limits(mut other: Vec<CpuJson>, version: u64, limits: limits_core::json::GenericCpuLimit) -> Self {
-    pub fn from_json(mut other: Vec<CpuJson>, version: u64) -> Self {
         let (_, can_smt) = Self::system_smt_capabilities();
         let mut result = Vec::with_capacity(other.len());
         let max_cpus = Self::cpu_count();
+        let mut smt_disabled = false;
         for (i, cpu) in other.drain(..).enumerate() {
             // prevent having more CPUs than available
             if let Some(max_cpus) = max_cpus {
@@ -112,11 +108,13 @@ impl Cpus {
                     break;
                 }
             }
-            result.push(Cpu::from_json(cpu, version, i));
+            let new_cpu = Cpu::from_json_and_limits(cpu, version, i, limits.clone());
+            smt_disabled &= new_cpu.online as usize != i % 2;
+            result.push(new_cpu);
         }
         if let Some(max_cpus) = max_cpus {
             if result.len() != max_cpus {
-                let mut sys_cpus = Cpus::system_default();
+                let mut sys_cpus = Cpus::from_limits(limits.clone());
                 for i in result.len()..sys_cpus.cpus.len() {
                     result.push(sys_cpus.cpus.remove(i));
                 }
@@ -124,44 +122,7 @@ impl Cpus {
         }
         Self {
             cpus: result,
-            smt: true,
+            smt: !smt_disabled,
-            smt_capable: can_smt,
-        }
-    }
-
-    pub fn from_limits(_limits: limits_core::json::GenericCpuLimit) -> Self {
-        // TODO
-        Self {
-            cpus: vec![],
-            smt: false,
-            smt_capable: false,
-        }
-    }
-
-    pub fn from_json_and_limits(mut other: Vec<CpuJson>, version: u64, _limits: limits_core::json::GenericCpuLimit) -> Self {
-        let (_, can_smt) = Self::system_smt_capabilities();
-        let mut result = Vec::with_capacity(other.len());
-        let max_cpus = Self::cpu_count();
-        for (i, cpu) in other.drain(..).enumerate() {
-            // prevent having more CPUs than available
-            if let Some(max_cpus) = max_cpus {
-                if i == max_cpus {
-                    break;
-                }
-            }
-            result.push(Cpu::from_json(cpu, version, i));
-        }
-        if let Some(max_cpus) = max_cpus {
-            if result.len() != max_cpus {
-                let mut sys_cpus = Cpus::system_default();
-                for i in result.len()..sys_cpus.cpus.len() {
-                    result.push(sys_cpus.cpus.remove(i));
-                }
-            }
-        }
-        Self {
-            cpus: result,
-            smt: true,
             smt_capable: can_smt,
         }
     }
@@ -201,6 +162,7 @@ impl TCpus for Cpus {
 pub struct Cpu {
     pub online: bool,
     pub governor: String,
+    limits: GenericCpuLimit,
     index: usize,
     state: crate::state::steam_deck::Cpu,
 }
@@ -208,17 +170,30 @@ pub struct Cpu {
 
 impl Cpu {
     #[inline]
-    pub fn from_json(other: CpuJson, version: u64, i: usize) -> Self {
+    pub fn from_limits(cpu_index: usize, limits: GenericCpuLimit) -> Self {
+        Self {
+            online: true,
+            governor: "schedutil".to_owned(),
+            limits,
+            index: cpu_index,
+            state: crate::state::steam_deck::Cpu::default(),
+        }
+    }
+
+    #[inline]
+    pub fn from_json_and_limits(other: CpuJson, version: u64, i: usize, limits: GenericCpuLimit) -> Self {
         match version {
             0 => Self {
                 online: other.online,
                 governor: other.governor,
+                limits,
                 index: i,
                 state: crate::state::steam_deck::Cpu::default(),
             },
             _ => Self {
                 online: other.online,
                 governor: other.governor,
+                limits,
                 index: i,
                 state: crate::state::steam_deck::Cpu::default(),
             },
@@ -253,7 +228,7 @@ impl Cpu {
         Ok(())
     }
 
-    fn from_sys(cpu_index: usize) -> Self {
+    /*fn from_sys(cpu_index: usize) -> Self {
         Self {
             online: usdpl_back::api::files::read_single(cpu_online_path(cpu_index)).unwrap_or(1u8) != 0,
             governor: usdpl_back::api::files::read_single(cpu_governor_path(cpu_index))
@@ -261,14 +236,31 @@ impl Cpu {
             index: cpu_index,
             state: crate::state::steam_deck::Cpu::default(),
         }
+    }*/
+
+    fn governors(&self) -> Vec<String> {
+        // NOTE: this eats errors
+        let gov_str: String = match usdpl_back::api::files::read_single(cpu_available_governors_path(self.index)) {
+            Ok(s) => s,
+            Err((Some(e), None)) => {
+                log::warn!("Error getting available CPU governors: {}", e);
+                return vec![];
+            },
+            Err((None, Some(e))) => {
+                log::warn!("Error getting available CPU governors: {}", e);
+                return vec![];
+            },
+            Err(_) => return vec![],
+        };
+        gov_str.split(' ').map(|s| s.to_owned()).collect()
     }
 
     fn limits(&self) -> crate::api::CpuLimits {
         crate::api::CpuLimits {
-            clock_min_limits: None,
+            clock_min_limits: self.limits.clock_min.clone().map(|x| x.into()),
-            clock_max_limits: None,
+            clock_max_limits: self.limits.clock_max.clone().map(|x| x.into()),
-            clock_step: 100,
+            clock_step: self.limits.clock_step,
-            governors: vec![], // TODO
+            governors: self.governors(),
         }
     }
 }
@@ -312,11 +304,13 @@ impl TCpu for Cpu {
         &self.governor
     }
 
-    fn clock_limits(&mut self, _limits: Option<MinMax<u64>>) {
+    fn clock_limits(&mut self, limits: Option<MinMax<u64>>) {
+        self.limits.clock_min = limits.clone();
+        self.limits.clock_max = limits.clone();
     }
 
     fn get_clock_limits(&self) -> Option<&MinMax<u64>> {
-        None
+        self.limits.clock_max.as_ref()
     }
 }
 
@@ -332,3 +326,11 @@ fn cpu_governor_path(index: usize) -> String {
         index
     )
 }
+
+#[inline]
+fn cpu_available_governors_path(index: usize) -> String {
+    format!(
+        "/sys/devices/system/cpu/cpu{}/cpufreq/scaling_available_governors",
+        index
+    )
+}

backend/src/settings/generic/gpu.rs

@@ -1,5 +1,7 @@
 use std::convert::Into;
 
+use limits_core::json::GenericGpuLimit;
+
 use crate::settings::MinMax;
 use crate::settings::{OnResume, OnSet, SettingError};
 use crate::settings::TGpu;
@@ -8,15 +10,16 @@ use crate::persist::GpuJson;
 #[derive(Debug, Clone)]
 pub struct Gpu {
     slow_memory: bool, // ignored
+    limits: GenericGpuLimit,
 }
 
 impl Gpu {
-    #[inline]
+    /*#[inline]
     pub fn from_json(_other: GpuJson, _version: u64) -> Self {
         Self {
             slow_memory: false,
         }
-    }
+    }*/
 
     /*pub fn system_default() -> Self {
         Self {
@@ -24,16 +27,17 @@ impl Gpu {
         }
     }*/
 
-    pub fn from_limits(_limits: limits_core::json::GenericGpuLimit) -> Self {
+    pub fn from_limits(limits: limits_core::json::GenericGpuLimit) -> Self {
-        // TODO
         Self {
             slow_memory: false,
+            limits,
         }
     }
 
-    pub fn from_json_and_limits(_other: GpuJson, _version: u64, _limits: limits_core::json::GenericGpuLimit) -> Self {
+    pub fn from_json_and_limits(_other: GpuJson, _version: u64, limits: limits_core::json::GenericGpuLimit) -> Self {
         Self {
             slow_memory: false,
+            limits,
         }
     }
 }
@@ -65,15 +69,15 @@ impl OnResume for Gpu {
 impl TGpu for Gpu {
     fn limits(&self) -> crate::api::GpuLimits {
         crate::api::GpuLimits {
-            fast_ppt_limits: None,
+            fast_ppt_limits: self.limits.fast_ppt.clone().map(|x| x.into()),
-            slow_ppt_limits: None,
+            slow_ppt_limits: self.limits.slow_ppt.clone().map(|x| x.into()),
-            ppt_step: 1_000_000,
+            ppt_step: self.limits.ppt_step.unwrap_or(1_000_000),
-            tdp_limits: None,
+            tdp_limits: self.limits.tdp.clone().map(|x| x.into()),
-            tdp_boost_limits: None,
+            tdp_boost_limits: self.limits.tdp_boost.clone().map(|x| x.into()),
-            tdp_step: 42,
+            tdp_step: self.limits.tdp_step.unwrap_or(42),
-            clock_min_limits: None,
+            clock_min_limits: self.limits.clock_min.clone().map(|x| x.into()),
-            clock_max_limits: None,
+            clock_max_limits: self.limits.clock_max.clone().map(|x| x.into()),
-            clock_step: 100,
+            clock_step: self.limits.clock_step.unwrap_or(100),
             memory_control_capable: false,
         }
     }

backend/src/settings/generic_amd/cpu.rs

@@ -0,0 +1,91 @@
+use crate::persist::CpuJson;
+use crate::settings::MinMax;
+use crate::settings::generic::{Cpu as GenericCpu, Cpus as GenericCpus};
+use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::{TCpus, TCpu};
+
+#[derive(Debug)]
+pub struct Cpus {
+    generic: GenericCpus,
+}
+
+impl Cpus {
+    pub fn from_limits(limits: limits_core::json::GenericCpuLimit) -> Self {
+        Self {
+            generic: GenericCpus::from_limits(limits),
+        }
+    }
+
+    pub fn from_json_and_limits(other: Vec<CpuJson>, version: u64, limits: limits_core::json::GenericCpuLimit) -> Self {
+        Self {
+            generic: GenericCpus::from_json_and_limits(other, version, limits),
+        }
+    }
+}
+
+impl OnResume for Cpus {
+    fn on_resume(&self) -> Result<(), SettingError> {
+        self.generic.on_resume()
+        // TODO
+    }
+}
+
+impl OnSet for Cpus {
+    fn on_set(&mut self) -> Result<(), SettingError> {
+        self.generic.on_set()
+        // TODO
+    }
+}
+
+impl TCpus for Cpus {
+    fn limits(&self) -> crate::api::CpusLimits {
+        self.generic.limits()
+    }
+
+    fn json(&self) -> Vec<crate::persist::CpuJson> {
+        self.generic.json() // TODO
+    }
+
+    fn cpus(&mut self) -> Vec<&mut dyn TCpu> {
+        self.generic.cpus() // TODO
+    }
+
+    fn len(&self) -> usize {
+        self.generic.len() // TODO
+    }
+
+    fn smt(&mut self) -> &'_ mut bool {
+        self.generic.smt()
+    }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::GenericAMD
+    }
+}
+
+#[derive(Debug)]
+pub struct Cpu {
+    generic: GenericCpu,
+}
+
+impl TCpu for Cpu {
+    fn online(&mut self) -> &mut bool {
+        self.generic.online()
+    }
+
+    fn governor(&mut self, governor: String) {
+        self.generic.governor(governor)
+    }
+
+    fn get_governor(&self) -> &'_ str {
+        self.generic.get_governor()
+    }
+
+    fn clock_limits(&mut self, limits: Option<MinMax<u64>>) {
+        self.generic.clock_limits(limits) // TODO
+    }
+
+    fn get_clock_limits(&self) -> Option<&MinMax<u64>> {
+        self.generic.get_clock_limits() // TODO
+    }
+}

backend/src/settings/generic_amd/gpu.rs

@@ -0,0 +1,72 @@
+use crate::persist::GpuJson;
+use crate::settings::MinMax;
+use crate::settings::generic::Gpu as GenericGpu;
+use crate::settings::{OnResume, OnSet, SettingError};
+use crate::settings::TGpu;
+
+#[derive(Debug)]
+pub struct Gpu {
+    generic: GenericGpu,
+}
+
+impl Gpu {
+    pub fn from_limits(limits: limits_core::json::GenericGpuLimit) -> Self {
+        Self {
+            generic: GenericGpu::from_limits(limits),
+        }
+    }
+
+    pub fn from_json_and_limits(other: GpuJson, version: u64, limits: limits_core::json::GenericGpuLimit) -> Self {
+        Self {
+            generic: GenericGpu::from_json_and_limits(other, version, limits),
+        }
+    }
+}
+
+impl OnResume for Gpu {
+    fn on_resume(&self) -> Result<(), SettingError> {
+        self.generic.on_resume()
+        // TODO
+    }
+}
+
+impl OnSet for Gpu {
+    fn on_set(&mut self) -> Result<(), SettingError> {
+        self.generic.on_set()
+        // TODO
+    }
+}
+
+impl TGpu for Gpu {
+    fn limits(&self) -> crate::api::GpuLimits {
+        self.generic.limits()
+    }
+
+    fn json(&self) -> crate::persist::GpuJson {
+        self.generic.json()
+    }
+
+    fn ppt(&mut self, fast: Option<u64>, slow: Option<u64>) {
+        // TODO
+    }
+
+    fn get_ppt(&self) -> (Option<u64>, Option<u64>) {
+        self.generic.get_ppt() // TODO
+    }
+
+    fn clock_limits(&mut self, limits: Option<MinMax<u64>>) {
+        // TODO
+    }
+
+    fn get_clock_limits(&self) -> Option<&MinMax<u64>> {
+        self.generic.get_clock_limits()
+    }
+
+    fn slow_memory(&mut self) -> &mut bool {
+        self.generic.slow_memory()
+    }
+
+    fn provider(&self) -> crate::persist::DriverJson {
+        crate::persist::DriverJson::GenericAMD
+    }
+}

backend/src/settings/generic_amd/mod.rs

@@ -0,0 +1,5 @@
+mod cpu;
+mod gpu;
+
+pub use cpu::{Cpu, Cpus};
+pub use gpu::Gpu;

backend/src/settings/min_max.rs

@@ -1,24 +1,19 @@
 use std::convert::Into;
 
+use limits_core::json::RangeLimit;
+
 use crate::persist::MinMaxJson;
 
-#[derive(Debug, Clone)]
+pub type MinMax<T> = RangeLimit<T>;
-pub struct MinMax<T> {
-    pub max: T,
-    pub min: T,
-}
 
-impl<T> MinMax<T> {
+pub fn min_max_from_json<T, X: Into<T>>(other: MinMaxJson<X>, _version: u64) -> MinMax<T> {
-    #[inline]
+    MinMax {
-    pub fn from_json<X: Into<T>>(other: MinMaxJson<X>, _version: u64) -> Self {
-        Self {
         max: other.max.into(),
         min: other.min.into(),
     }
 }
-}
 
-impl<X: Into<Y>, Y> Into<MinMaxJson<Y>> for MinMax<X> {
+impl<X: Into<Y>, Y> Into<MinMaxJson<Y>> for RangeLimit<X> {
     #[inline]
     fn into(self) -> MinMaxJson<Y> {
         MinMaxJson {

backend/src/settings/mod.rs

@@ -6,13 +6,14 @@ mod min_max;
 mod traits;
 
 pub mod generic;
+pub mod generic_amd;
 pub mod steam_deck;
 pub mod unknown;
 
 pub use detect::{auto_detect0, auto_detect_provider, limits_worker::spawn as limits_worker_spawn};
 pub use driver::Driver;
 pub use general::{SettingVariant, Settings, General};
-pub use min_max::MinMax;
+pub use min_max::{MinMax, min_max_from_json};
 
 pub use error::SettingError;
 pub use traits::{OnResume, OnSet, SettingsRange, TGeneral, TGpu, TCpus, TBattery, TCpu};

backend/src/settings/steam_deck/cpu.rs

@@ -1,7 +1,7 @@
 use std::convert::Into;
 
 use crate::api::RangeLimit;
-use crate::settings::MinMax;
+use crate::settings::{MinMax, min_max_from_json};
 use crate::settings::{OnResume, OnSet, SettingError};
 use crate::settings::{TCpus, TCpu};
 use crate::persist::CpuJson;
@@ -90,10 +90,10 @@ impl Cpus {
             for i in 0..max_cpu {
                 sys_cpus.push(Cpu::from_sys(i, oc_limits.cpus.get(i).map(|x| x.to_owned()).unwrap_or_default()));
             }
-            let (smt_status, can_smt) = Self::system_smt_capabilities();
+            let (_, can_smt) = Self::system_smt_capabilities();
             Self {
                 cpus: sys_cpus,
-                smt: smt_status,
+                smt: true,
                 smt_capable: can_smt,
                 limits: oc_limits,
             }
@@ -113,6 +113,7 @@ impl Cpus {
         let (_, can_smt) = Self::system_smt_capabilities();
         let mut result = Vec::with_capacity(other.len());
         let max_cpus = Self::cpu_count();
+        let mut smt_disabled = false;
         for (i, cpu) in other.drain(..).enumerate() {
             // prevent having more CPUs than available
             if let Some(max_cpus) = max_cpus {
@@ -120,7 +121,9 @@ impl Cpus {
                     break;
                 }
             }
-            result.push(Cpu::from_json(cpu, version, i, oc_limits.cpus.get(i).map(|x| x.to_owned()).unwrap_or_default()));
+            let new_cpu = Cpu::from_json(cpu, version, i, oc_limits.cpus.get(i).map(|x| x.to_owned()).unwrap_or_default());
+            smt_disabled &= new_cpu.online as usize != i % 2;
+            result.push(new_cpu);
         }
         if let Some(max_cpus) = max_cpus {
             if result.len() != max_cpus {
@@ -132,7 +135,7 @@ impl Cpus {
         }
         Self {
             cpus: result,
-            smt: true,
+            smt: !smt_disabled,
             smt_capable: can_smt,
             limits: oc_limits,
         }
@@ -188,7 +191,7 @@ impl Cpu {
         match version {
             0 => Self {
                 online: other.online,
-                clock_limits: other.clock_limits.map(|x| MinMax::from_json(x, version)),
+                clock_limits: other.clock_limits.map(|x| min_max_from_json(x, version)),
                 governor: other.governor,
                 limits: oc_limits,
                 index: i,
@@ -196,7 +199,7 @@ impl Cpu {
             },
             _ => Self {
                 online: other.online,
-                clock_limits: other.clock_limits.map(|x| MinMax::from_json(x, version)),
+                clock_limits: other.clock_limits.map(|x| min_max_from_json(x, version)),
                 governor: other.governor,
                 limits: oc_limits,
                 index: i,

backend/src/settings/steam_deck/gpu.rs

@@ -1,7 +1,7 @@
 use std::convert::Into;
 
 use crate::api::RangeLimit;
-use crate::settings::MinMax;
+use crate::settings::{MinMax, min_max_from_json};
 use crate::settings::{OnResume, OnSet, SettingError};
 use crate::settings::TGpu;
 use crate::persist::GpuJson;
@@ -33,7 +33,7 @@ impl Gpu {
             0 => Self {
                 fast_ppt: other.fast_ppt,
                 slow_ppt: other.slow_ppt,
-                clock_limits: other.clock_limits.map(|x| MinMax::from_json(x, version)),
+                clock_limits: other.clock_limits.map(|x| min_max_from_json(x, version)),
                 slow_memory: other.slow_memory,
                 limits: oc_limits,
                 state: crate::state::steam_deck::Gpu::default(),
@@ -41,7 +41,7 @@ impl Gpu {
             _ => Self {
                 fast_ppt: other.fast_ppt,
                 slow_ppt: other.slow_ppt,
-                clock_limits: other.clock_limits.map(|x| MinMax::from_json(x, version)),
+                clock_limits: other.clock_limits.map(|x| min_max_from_json(x, version)),
                 slow_memory: other.slow_memory,
                 limits: oc_limits,
                 state: crate::state::steam_deck::Gpu::default(),

backend/src/settings/steam_deck/oc_limits.rs

@@ -1,10 +1,5 @@
 use serde::{Deserialize, Serialize};
-
+use crate::settings::MinMax;
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub(super) struct MinMaxLimits<T> {
-    pub min: T,
-    pub max: T,
-}
 
 const OC_LIMITS_FILEPATH: &str = "./pt_oc.json";
 
@@ -56,13 +51,13 @@ impl OverclockLimits {
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
 pub(super) struct BatteryLimits {
-    pub charge_rate: MinMaxLimits<u64>,
+    pub charge_rate: MinMax<u64>,
 }
 
 impl Default for BatteryLimits {
     fn default() -> Self {
         Self {
-            charge_rate: MinMaxLimits { min: 250, max: 2500 },
+            charge_rate: MinMax { min: 250, max: 2500 },
         }
     }
 }
@@ -82,34 +77,34 @@ impl Default for CpusLimits {
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
 pub(super) struct CpuLimits {
-    pub clock_min: MinMaxLimits<u64>,
+    pub clock_min: MinMax<u64>,
-    pub clock_max: MinMaxLimits<u64>,
+    pub clock_max: MinMax<u64>,
 }
 
 impl Default for CpuLimits {
     fn default() -> Self {
         Self {
-            clock_min: MinMaxLimits { min: 1400, max: 3500 },
+            clock_min: MinMax { min: 1400, max: 3500 },
-            clock_max: MinMaxLimits { min: 500, max: 3500 }
+            clock_max: MinMax { min: 500, max: 3500 }
         }
     }
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
 pub(super) struct GpuLimits {
-    pub fast_ppt: MinMaxLimits<u64>,
+    pub fast_ppt: MinMax<u64>,
-    pub slow_ppt: MinMaxLimits<u64>,
+    pub slow_ppt: MinMax<u64>,
-    pub clock_min: MinMaxLimits<u64>,
+    pub clock_min: MinMax<u64>,
-    pub clock_max: MinMaxLimits<u64>,
+    pub clock_max: MinMax<u64>,
 }
 
 impl Default for GpuLimits {
     fn default() -> Self {
         Self {
-            fast_ppt: MinMaxLimits { min: 1000000, max: 30_000_000 },
+            fast_ppt: MinMax { min: 1000000, max: 30_000_000 },
-            slow_ppt: MinMaxLimits { min: 1000000, max: 29_000_000 },
+            slow_ppt: MinMax { min: 1000000, max: 29_000_000 },
-            clock_min: MinMaxLimits { min: 200, max: 1600 },
+            clock_min: MinMax { min: 200, max: 1600 },
-            clock_max: MinMaxLimits { min: 200, max: 1600 }
+            clock_max: MinMax { min: 200, max: 1600 }
         }
     }
 }

backend/src/settings/unknown/cpu.rs

@@ -105,6 +105,7 @@ impl Cpus {
         let (_, can_smt) = Self::system_smt_capabilities();
         let mut result = Vec::with_capacity(other.len());
         let max_cpus = Self::cpu_count();
+        let mut smt_disabled = false;
         for (i, cpu) in other.drain(..).enumerate() {
             // prevent having more CPUs than available
             if let Some(max_cpus) = max_cpus {
@@ -112,7 +113,9 @@ impl Cpus {
                     break;
                 }
             }
-            result.push(Cpu::from_json(cpu, version, i));
+            let new_cpu = Cpu::from_json(cpu, version, i);
+            smt_disabled &= new_cpu.online as usize != i % 2;
+            result.push(new_cpu);
         }
         if let Some(max_cpus) = max_cpus {
             if result.len() != max_cpus {
@@ -124,7 +127,7 @@ impl Cpus {
         }
         Self {
             cpus: result,
-            smt: true,
+            smt: !smt_disabled,
             smt_capable: can_smt,
         }
     }