diff --git a/src/backends/metal/video.rs b/src/backends/metal/video.rs
index 4de17908..4e1d3a59 100644
--- a/src/backends/metal/video.rs
+++ b/src/backends/metal/video.rs
@@ -1,9 +1,16 @@
 mod hardware_cursor;
 mod lease;
+mod properties;
 
+#[allow(unused_imports)]
 pub use {
     hardware_cursor::{MetalHardwareCursor, MetalHardwareCursorChange},
     lease::{MetalLease, MetalLeaseData},
+    properties::{DefaultProperty, TypedProperty},
+};
+
+use properties::{
+    DefaultValue, collect_properties, collect_untyped_properties, create_default_properties,
 };
 
 use {
@@ -350,12 +357,6 @@ pub struct PersistentDisplayData {
     pub state: RefCell<BackendConnectorState>,
 }
 
-#[derive(Debug)]
-pub struct DefaultProperty {
-    pub name: &'static str,
-    pub prop: DrmProperty,
-    pub value: u64,
-}
 
 #[derive(Debug)]
 pub struct ConnectorDisplayData {
@@ -915,68 +916,6 @@ fn get_connectors(
     Ok((connectors, futures))
 }
 
-#[derive(Copy, Clone)]
-enum DefaultValue {
-    Fixed(u64),
-    Enum(&'static str),
-    Bitmask(&'static [&'static str]),
-    RangeMax,
-}
-
-fn create_default_properties(
-    props: &CollectedProperties,
-    defaults: &[(&'static str, DefaultValue)],
-) -> Vec<DefaultProperty> {
-    let mut res = vec![];
-    let mut defaults = defaults.iter();
-    'outer: loop {
-        let Some(&(name, def)) = defaults.next() else {
-            break;
-        };
-        if let Some((definition, _)) = props.props.get(name.as_bytes().as_bstr()) {
-            let value = match def {
-                DefaultValue::Fixed(v) => v,
-                DefaultValue::Enum(e) => match &definition.ty {
-                    DrmPropertyType::Enum {
-                        values,
-                        bitmask: false,
-                    } => match values.iter().find(|v| v.name == e) {
-                        None => continue,
-                        Some(v) => v.value,
-                    },
-                    _ => continue,
-                },
-                DefaultValue::Bitmask(e) => match &definition.ty {
-                    DrmPropertyType::Enum {
-                        values,
-                        bitmask: true,
-                    } => {
-                        let mut res = 0;
-                        for &e in e {
-                            match values.iter().find(|v| v.name == e) {
-                                None => continue 'outer,
-                                Some(v) => res |= 1 << v.value,
-                            }
-                        }
-                        res
-                    }
-                    _ => continue,
-                },
-                DefaultValue::RangeMax => match &definition.ty {
-                    DrmPropertyType::Range { max, .. } => *max,
-                    DrmPropertyType::SignedRange { max, .. } => *max as u64,
-                    _ => continue,
-                },
-            };
-            res.push(DefaultProperty {
-                name,
-                prop: definition.id,
-                value,
-            });
-        }
-    }
-    res
-}
 
 fn create_connector(
     backend: &Rc<MetalBackend>,
@@ -1570,71 +1509,6 @@ fn create_plane(plane: DrmPlane, master: &Rc<DrmMaster>) -> Result<MetalPlane, D
     })
 }
 
-fn collect_properties<T: DrmObject>(
-    master: &Rc<DrmMaster>,
-    t: T,
-) -> Result<CollectedProperties, DrmError> {
-    let mut props = AHashMap::new();
-    for prop in master.get_properties(t)? {
-        let def = master.get_property(prop.id)?;
-        props.insert(def.name.clone(), (def, prop.value));
-    }
-    Ok(CollectedProperties { props })
-}
-
-fn collect_untyped_properties<T: DrmObject>(
-    master: &Rc<DrmMaster>,
-    t: T,
-    props: &mut AHashMap<DrmProperty, u64>,
-) -> Result<(), DrmError> {
-    props.clear();
-    for prop in master.get_properties(t)? {
-        props.insert(prop.id, prop.value);
-    }
-    Ok(())
-}
-
-struct CollectedProperties {
-    props: AHashMap<BString, (DrmPropertyDefinition, u64)>,
-}
-
-impl CollectedProperties {
-    fn get(&self, name: &str) -> Result<TypedProperty<u64>, DrmError> {
-        match self.props.get(name.as_bytes().as_bstr()) {
-            Some((def, value)) => Ok(TypedProperty {
-                id: def.id,
-                value: *value,
-            }),
-            _ => Err(DrmError::MissingProperty(name.to_string().into_boxed_str())),
-        }
-    }
-
-    fn to_untyped(&self) -> AHashMap<DrmProperty, u64> {
-        let mut res = AHashMap::new();
-        for (def, val) in self.props.values() {
-            res.insert(def.id, *val);
-        }
-        res
-    }
-}
-
-#[derive(Copy, Clone, Debug)]
-pub struct TypedProperty<T> {
-    pub id: DrmProperty,
-    pub value: T,
-}
-
-impl<T: Copy> TypedProperty<T> {
-    fn map<U, F>(self, f: F) -> TypedProperty<U>
-    where
-        F: FnOnce(T) -> U,
-    {
-        TypedProperty {
-            id: self.id,
-            value: f(self.value),
-        }
-    }
-}
 
 impl MetalBackend {
     pub fn check_render_context(&self, dev: &Rc<MetalDrmDevice>) -> bool {
diff --git a/src/backends/metal/video/properties.rs b/src/backends/metal/video/properties.rs
new file mode 100644
index 00000000..d46690ad
--- /dev/null
+++ b/src/backends/metal/video/properties.rs
@@ -0,0 +1,137 @@
+use super::*;
+
+#[derive(Debug)]
+pub struct DefaultProperty {
+    pub name: &'static str,
+    pub prop: DrmProperty,
+    pub value: u64,
+}
+
+#[derive(Copy, Clone)]
+pub(super) enum DefaultValue {
+    Fixed(u64),
+    Enum(&'static str),
+    Bitmask(&'static [&'static str]),
+    RangeMax,
+}
+
+pub(super) fn create_default_properties(
+    props: &CollectedProperties,
+    defaults: &[(&'static str, DefaultValue)],
+) -> Vec<DefaultProperty> {
+    let mut res = vec![];
+    let mut defaults = defaults.iter();
+    'outer: loop {
+        let Some(&(name, def)) = defaults.next() else {
+            break;
+        };
+        if let Some((definition, _)) = props.props.get(name.as_bytes().as_bstr()) {
+            let value = match def {
+                DefaultValue::Fixed(v) => v,
+                DefaultValue::Enum(e) => match &definition.ty {
+                    DrmPropertyType::Enum {
+                        values,
+                        bitmask: false,
+                    } => match values.iter().find(|v| v.name == e) {
+                        None => continue,
+                        Some(v) => v.value,
+                    },
+                    _ => continue,
+                },
+                DefaultValue::Bitmask(e) => match &definition.ty {
+                    DrmPropertyType::Enum {
+                        values,
+                        bitmask: true,
+                    } => {
+                        let mut res = 0;
+                        for &e in e {
+                            match values.iter().find(|v| v.name == e) {
+                                None => continue 'outer,
+                                Some(v) => res |= 1 << v.value,
+                            }
+                        }
+                        res
+                    }
+                    _ => continue,
+                },
+                DefaultValue::RangeMax => match &definition.ty {
+                    DrmPropertyType::Range { max, .. } => *max,
+                    DrmPropertyType::SignedRange { max, .. } => *max as u64,
+                    _ => continue,
+                },
+            };
+            res.push(DefaultProperty {
+                name,
+                prop: definition.id,
+                value,
+            });
+        }
+    }
+    res
+}
+
+pub(super) fn collect_properties<T: DrmObject>(
+    master: &Rc<DrmMaster>,
+    t: T,
+) -> Result<CollectedProperties, DrmError> {
+    let mut props = AHashMap::new();
+    for prop in master.get_properties(t)? {
+        let def = master.get_property(prop.id)?;
+        props.insert(def.name.clone(), (def, prop.value));
+    }
+    Ok(CollectedProperties { props })
+}
+
+pub(super) fn collect_untyped_properties<T: DrmObject>(
+    master: &Rc<DrmMaster>,
+    t: T,
+    props: &mut AHashMap<DrmProperty, u64>,
+) -> Result<(), DrmError> {
+    props.clear();
+    for prop in master.get_properties(t)? {
+        props.insert(prop.id, prop.value);
+    }
+    Ok(())
+}
+
+pub(super) struct CollectedProperties {
+    pub(super) props: AHashMap<BString, (DrmPropertyDefinition, u64)>,
+}
+
+impl CollectedProperties {
+    pub(super) fn get(&self, name: &str) -> Result<TypedProperty<u64>, DrmError> {
+        match self.props.get(name.as_bytes().as_bstr()) {
+            Some((def, value)) => Ok(TypedProperty {
+                id: def.id,
+                value: *value,
+            }),
+            _ => Err(DrmError::MissingProperty(name.to_string().into_boxed_str())),
+        }
+    }
+
+    pub(super) fn to_untyped(&self) -> AHashMap<DrmProperty, u64> {
+        let mut res = AHashMap::new();
+        for (def, val) in self.props.values() {
+            res.insert(def.id, *val);
+        }
+        res
+    }
+}
+
+#[derive(Copy, Clone, Debug)]
+pub struct TypedProperty<T> {
+    pub id: DrmProperty,
+    pub value: T,
+}
+
+impl<T: Copy> TypedProperty<T> {
+    pub(super) fn map<U, F>(self, f: F) -> TypedProperty<U>
+    where
+        F: FnOnce(T) -> U,
+    {
+        TypedProperty {
+            id: self.id,
+            value: f(self.value),
+        }
+    }
+}