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rust: drm: dispatch delayed work items to the private data

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Much like the patch that dispatched (regular) work items, we also need to
dispatch delayed work items in order not to trigger the orphan rule. This
allows a drm::Device<T> to dispatch the delayed work to T::Data.

Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com>
Link: https://lore.kernel.org/r/20260323-aref-workitem-v3-4-f59729b812aa@collabora.com
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
This commit is contained in:
Daniel Almeida
2026-03-23 20:27:02 -03:00
committed by Alice Ryhl
parent 332666484f
commit 206bada308
1 changed files with 13 additions and 0 deletions
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13
rust/kernel/drm/device.rs
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@@ -19,6 +19,7 @@
},
types::Opaque,
workqueue::{
HasDelayedWork,
HasWork,
Work,
WorkItem, //
@@ -291,3 +292,15 @@ unsafe fn work_container_of(ptr: *mut Work<Device<T>, ID>) -> *mut Self {
unsafe { crate::container_of!(data_ptr, Self, data) }
}
}
// SAFETY: Our `HasWork<T, ID>` implementation returns a `work_struct` that is
// stored in the `work` field of a `delayed_work` with the same access rules as
// the `work_struct` owing to the bound on `T::Data: HasDelayedWork<Device<T>,
// ID>`, which requires that `T::Data::raw_get_work` return a `work_struct` that
// is inside a `delayed_work`.
unsafe impl<T, const ID: u64> HasDelayedWork<Device<T>, ID> for Device<T>
where
T: drm::Driver,
T::Data: HasDelayedWork<Device<T>, ID>,
{
}