fixup! rust: drm/kms: Add bindings for drm_encoder

rust/kernel/drm/kms/encoder.rs

@@ -3,6 +3,7 @@
 //! drm_encoder abstractions for rust
 
 use crate::{
+    alloc::KBox,
     drm::{
         device::Device,
         drv::Driver,
@@ -204,7 +205,7 @@ impl<T: DriverEncoder> Encoder<T> {
         name: Option<&CStr>,
         args: T::Args,
     ) -> Result<&'b Self> {
-        let this: Pin<Box<Self>> = Box::try_pin_init(
+        let this: Pin<KBox<Self>> = KBox::try_pin_init(
             try_pin_init!(Self {
                 encoder: Opaque::new(bindings::drm_encoder {
                     helper_private: &T::OPS.helper_funcs,
@@ -231,7 +232,7 @@ impl<T: DriverEncoder> Encoder<T> {
 
         // Convert the box into a raw pointer, we'll re-assemble it in encoder_destroy_callback()
         // SAFETY: We don't move anything
-        Ok(unsafe { &*Box::into_raw(Pin::into_inner_unchecked(this)) })
+        Ok(unsafe { &*KBox::into_raw(Pin::into_inner_unchecked(this)) })
     }
 }
 
@@ -299,5 +300,5 @@ unsafe extern "C" fn encoder_destroy_callback<T: DriverEncoder>(
     // SAFETY:
     // - DRM guarantees we are now the only one with access to this [`drm_encoder`].
     // - This cast is safe via `DriverEncoder`s type invariants.
-    unsafe { drop(Box::from_raw(encoder as *mut Encoder<T>)) };
+    unsafe { drop(KBox::from_raw(encoder as *mut Encoder<T>)) };
 }