From nobody Thu Apr 2 01:48:17 2026 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 29A123876AC; Mon, 23 Mar 2026 23:27:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774308477; cv=pass; b=X/fEgo7pUUYZWumVYsEwZx/vY1W6Cao3jS8jjsApPAFk7aw3Tdac5pGS5AvCSLwOhvefFP9k0EbM9CbdGG3DK0gVd07VzH2kYhQseiHwlzbgmHcbEqSq5P7OT9KQiOfMcJSz7Dc12AGlD2OD5MLp8lFLc1kyCcIMXRaymdd7gJg= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774308477; c=relaxed/simple; bh=vWBsfRfDgqyYQLuP/6FgcoeYWelwJcDtgworp1+kXaU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gsHJ/lYxiSLYMbhi73ZLZOBfzZb08sKSYu8sXofVkRv0Z+Ca6LkUlggdYNB+kDHOQFSlVQdwozKSXRTKMU2nJ83ocfApvDwQuC9df/A+Bg3Z62F335FrA1lzJ2RKz1WeEkQdsmvmkTMcGS2eIWyBF4+ej1w61Ni4GLf/R/rOMbY= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b=JKBtArGy; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b="JKBtArGy" ARC-Seal: i=1; a=rsa-sha256; t=1774308464; cv=none; d=zohomail.com; s=zohoarc; b=bgprSye1Vvp5G6bGaUFvx9G8OD2nw+tFjQU/6/GuraboS6q2iwgr4WCmFnT5kzRkK80xbKfStvpybSK7MeyQ/GVZbE0HmAt3hRA3LZqv+HLQYzXZyf/nfbIIeVJScKvDueYVEctENcN67JkOu6ruCcGO+ASjFgFJ5Xct4VsxxJ0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1774308464; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=n2mQAmYZgm9af7m4XdXfvDKaJMRTqHc7fXRq9oM8rlg=; b=PilbN1CG0jBiyEBX54uL/vE89ZsucJsCBgvrR/v6n3uA68lGkbjECNCq0Zcyv+f2crVH/00sSbi3Ya1v95cdnOGZxfQ/BrdFb/TgHw4recMOvCOKoQz8gv9QOuC0Y115Y8GHCnFWqrTrmXExfX4K37HvzhSllGYdCiVoVtLOe6A= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=daniel.almeida@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1774308464; s=zohomail; d=collabora.com; i=daniel.almeida@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=n2mQAmYZgm9af7m4XdXfvDKaJMRTqHc7fXRq9oM8rlg=; b=JKBtArGyOFbDSQRmFO5LjjyTwgl+X1eJ+3GgN36Sc7Lh3waMSJe/7RghBCZQa3z1 8yoCtdOfEUQJg5t1vqL6dN7KEsJFVIPtRP+aajaQeH6ai5eWgWTy5N/04QAXaPmMwEU QDX/UQK9yQ0yPbdjb/ZCNdFbbaUFGoGzt0ftXrIM= Received: by mx.zohomail.com with SMTPS id 1774308462545484.8837925185438; Mon, 23 Mar 2026 16:27:42 -0700 (PDT) From: Daniel Almeida Date: Mon, 23 Mar 2026 20:27:02 -0300 Subject: [PATCH v3 4/4] rust: drm: dispatch delayed work items to the private data Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260323-aref-workitem-v3-4-f59729b812aa@collabora.com> References: <20260323-aref-workitem-v3-0-f59729b812aa@collabora.com> In-Reply-To: <20260323-aref-workitem-v3-0-f59729b812aa@collabora.com> To: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , David Airlie , Simona Vetter Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Almeida X-Mailer: b4 0.14.3 X-ZohoMailClient: External 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 to dispatch the delayed work to T::Data. Reviewed-by: Alice Ryhl Acked-by: Danilo Krummrich Signed-off-by: Daniel Almeida --- rust/kernel/drm/device.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/rust/kernel/drm/device.rs b/rust/kernel/drm/device.rs index 5db5c7e3bb7a..adbafe8db54d 100644 --- a/rust/kernel/drm/device.rs +++ b/rust/kernel/drm/device.rs @@ -19,6 +19,7 @@ }, types::Opaque, workqueue::{ + HasDelayedWork, HasWork, Work, WorkItem, // @@ -291,3 +292,15 @@ unsafe fn work_container_of(ptr: *mut Work, = ID>) -> *mut Self { unsafe { crate::container_of!(data_ptr, Self, data) } } } + +// SAFETY: Our `HasWork` implementation returns a `work_struct` tha= t is +// stored in the `work` field of a `delayed_work` with the same access rul= es as +// the `work_struct` owing to the bound on `T::Data: HasDelayedWork, +// ID>`, which requires that `T::Data::raw_get_work` return a `work_struct= ` that +// is inside a `delayed_work`. +unsafe impl HasDelayedWork, ID> for Device +where + T: drm::Driver, + T::Data: HasDelayedWork, ID>, +{ +} --=20 2.53.0