linux-kernel - Re: [PATCH 02/31] gpu: nova-core: add FbRange.len() and use it in boot.rs

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Message-Id: <DFNHWXHGF0TQ.3JS8MNNULB3JQ@garyguo.net>
Date: Tue, 13 Jan 2026 13:29:04 +0000
From: "Gary Guo" <gary@...yguo.net>
To: "John Hubbard" <jhubbard@...dia.com>, "Danilo Krummrich"
 <dakr@...nel.org>
Cc: "Alexandre Courbot" <acourbot@...dia.com>, "Joel Fernandes"
 <joelagnelf@...dia.com>, "Timur Tabi" <ttabi@...dia.com>, "Alistair Popple"
 <apopple@...dia.com>, "Edwin Peer" <epeer@...dia.com>, "Zhi Wang"
 <zhiw@...dia.com>, "David Airlie" <airlied@...il.com>, "Simona Vetter"
 <simona@...ll.ch>, "Bjorn Helgaas" <bhelgaas@...gle.com>, "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"
 <lossin@...nel.org>, "Andreas Hindborg" <a.hindborg@...nel.org>, "Alice
 Ryhl" <aliceryhl@...gle.com>, "Trevor Gross" <tmgross@...ch.edu>,
 <nouveau@...ts.freedesktop.org>, <rust-for-linux@...r.kernel.org>, "LKML"
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 02/31] gpu: nova-core: add FbRange.len() and use it in
 boot.rs

On Wed Dec 3, 2025 at 5:58 AM GMT, John Hubbard wrote:
> A tiny simplification: now that FbLayout uses its own specific FbRange
> type, add an FbRange.len() method, and use that to (very slightly)
> simplify the calculation of Frts::frts_size initialization.
> 
> Suggested-by: Alexandre Courbot <acourbot@...dia.com>
> Signed-off-by: John Hubbard <jhubbard@...dia.com>

Reviewed-by: Gary Guo <gary@...yguo.net>

> ---
>  drivers/gpu/nova-core/fb.rs       | 6 ++++++
>  drivers/gpu/nova-core/gsp/boot.rs | 2 +-
>  2 files changed, 7 insertions(+), 1 deletion(-)