linux-kernel - [PATCH 03/16] gpu: nova-core: derive useful traits for Chipset

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Message-Id: <20250420-nova-frts-v1-3-ecd1cca23963@nvidia.com>
Date: Sun, 20 Apr 2025 21:19:35 +0900
From: Alexandre Courbot <acourbot@...dia.com>
To: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
 Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
 Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
 Benno Lossin <benno.lossin@...ton.me>, 
 Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Jonathan Corbet <corbet@....net>
Cc: John Hubbard <jhubbard@...dia.com>, Ben Skeggs <bskeggs@...dia.com>, 
 Joel Fernandes <joelagnelf@...dia.com>, Timur Tabi <ttabi@...dia.com>, 
 Alistair Popple <apopple@...dia.com>, linux-kernel@...r.kernel.org, 
 rust-for-linux@...r.kernel.org, nouveau@...ts.freedesktop.org, 
 dri-devel@...ts.freedesktop.org, Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH 03/16] gpu: nova-core: derive useful traits for Chipset

We will commonly need to compare chipset versions, so derive the
ordering traits to make that possible. Also derive Copy and Clone since
passing Chipset by value will be more efficient than by reference.

Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
 drivers/gpu/nova-core/gpu.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs
index 17c9660da45034762edaa78e372d8821144cdeb7..4de67a2dc16302c00530026156d7264cbc7e5b32 100644
--- a/drivers/gpu/nova-core/gpu.rs
+++ b/drivers/gpu/nova-core/gpu.rs
@@ -13,7 +13,7 @@ macro_rules! define_chipset {
     ({ $($variant:ident = $value:expr),* $(,)* }) =>
     {
         /// Enum representation of the GPU chipset.
-        #[derive(fmt::Debug)]
+        #[derive(fmt::Debug, Copy, Clone, PartialOrd, Ord, PartialEq, Eq)]
         pub(crate) enum Chipset {
             $($variant = $value),*,
         }

-- 
2.49.0