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From: Danilo Krummrich <dakr@kernel.org>
To: dakr@kernel.org, acourbot@nvidia.com, aliceryhl@google.com,
 jhubbard@nvidia.com, ecourtney@nvidia.com, ttabi@nvidia.com,
 joelagnelf@nvidia.com, gary@garyguo.net
Cc: nova-gpu@lists.linux.dev, dri-devel@lists.freedesktop.org,
 rust-for-linux@vger.kernel.org
Subject: [PATCH 3/5] gpu: nova-core: replace ARef<Device> with &'bound Device
 in SysmemFlush
Date: Tue, 26 May 2026 00:58:31 +0200
Message-ID: <20260525225838.276108-4-dakr@kernel.org>
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Now that SysmemFlush is lifetime-parameterized, the ARef<Device> is
unnecessary -- a plain &'bound Device reference suffices.

Signed-off-by: Danilo Krummrich <dakr@kernel.org>
---
 drivers/gpu/nova-core/fb.rs | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/nova-core/fb.rs b/drivers/gpu/nova-core/fb.rs
index 3b3271790cc9..1fb65d4eb290 100644
--- a/drivers/gpu/nova-core/fb.rs
+++ b/drivers/gpu/nova-core/fb.rs
@@ -15,8 +15,7 @@
         Alignable,
         Alignment, //
     },
-    sizes::*,
-    sync::aref::ARef, //
+    sizes::*, //
 };
 
 use crate::{
@@ -46,7 +45,7 @@
 pub(crate) struct SysmemFlush<'sys> {
     /// Chipset we are operating on.
     chipset: Chipset,
-    device: ARef<device::Device>,
+    device: &'sys device::Device,
     bar: &'sys Bar0,
     /// Keep the page alive as long as we need it.
     page: CoherentHandle,
@@ -55,7 +54,7 @@ pub(crate) struct SysmemFlush<'sys> {
 impl<'sys> SysmemFlush<'sys> {
     /// Allocate a memory page and register it as the sysmem flush page.
     pub(crate) fn register(
-        dev: &device::Device<device::Bound>,
+        dev: &'sys device::Device<device::Bound>,
         bar: &'sys Bar0,
         chipset: Chipset,
     ) -> Result<Self> {
@@ -65,7 +64,7 @@ pub(crate) fn register(
 
         Ok(Self {
             chipset,
-            device: dev.into(),
+            device: dev,
             bar,
             page,
         })
-- 
2.54.0