kms: Adaptive VRR support

src/backend/kms/drm_helpers.rs

@@ -349,40 +349,6 @@ pub fn calculate_refresh_rate(mode: Mode) -> u32 {
     refresh as u32
 }
 
-pub fn supports_vrr(dev: &impl ControlDevice, conn: connector::Handle) -> Result<bool> {
-    get_property_val(dev, conn, "vrr_capable").map(|(val_type, val)| {
-        match val_type.convert_value(val) {
-            property::Value::UnsignedRange(res) => res == 1,
-            property::Value::Boolean(res) => res,
-            _ => false,
-        }
-    })
-}
-
-pub fn set_vrr(
-    dev: &impl ControlDevice,
-    crtc: crtc::Handle,
-    conn: connector::Handle,
-    vrr: bool,
-) -> Result<bool> {
-    if supports_vrr(dev, conn)? {
-        dev.set_property(
-            conn,
-            get_prop(dev, crtc, "VRR_ENABLED")?,
-            property::Value::UnsignedRange(if vrr { 1 } else { 0 }).into(),
-        )
-        .map_err(Into::<anyhow::Error>::into)
-        .and_then(|_| get_property_val(dev, crtc, "VRR_ENABLED"))
-        .map(|(val_type, val)| match val_type.convert_value(val) {
-            property::Value::UnsignedRange(vrr) => vrr == 1,
-            property::Value::Boolean(vrr) => vrr,
-            _ => false,
-        })
-    } else {
-        Ok(false)
-    }
-}
-
 pub fn get_max_bpc(
     dev: &impl ControlDevice,
     conn: connector::Handle,