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Date: Mon, 23 Mar 2026 12:22:08 +0100
Message-Id: <DHA4FBLCHNG0.3D8IVG2GFQRLP@kernel.org>
From: "Danilo Krummrich" <dakr@kernel.org>
Subject: Re: [PATCH v3 07/10] gpu: nova-core: falcon: introduce
 `bounded_enum` macro
Cc: "Alice Ryhl" <aliceryhl@google.com>, "David Airlie" <airlied@gmail.com>,
 "Simona Vetter" <simona@ffwll.ch>, "Maarten Lankhorst"
 <maarten.lankhorst@linux.intel.com>, "Maxime Ripard" <mripard@kernel.org>,
 "Thomas Zimmermann" <tzimmermann@suse.de>, "Miguel Ojeda"
 <ojeda@kernel.org>, "Boqun Feng" <boqun@kernel.org>, "Gary Guo"
 <gary@garyguo.net>, =?utf-8?q?Bj=C3=B6rn_Roy_Baron?=
 <bjorn3_gh@protonmail.com>, "Benno Lossin" <lossin@kernel.org>, "Andreas
 Hindborg" <a.hindborg@kernel.org>, "Trevor Gross" <tmgross@umich.edu>,
 "John Hubbard" <jhubbard@nvidia.com>, "Alistair Popple"
 <apopple@nvidia.com>, "Joel Fernandes" <joelagnelf@nvidia.com>, "Timur
 Tabi" <ttabi@nvidia.com>, "Zhi Wang" <zhiw@nvidia.com>, "Eliot Courtney"
 <ecourtney@nvidia.com>, <dri-devel@lists.freedesktop.org>,
 <linux-kernel@vger.kernel.org>, <linux-riscv@lists.infradead.org>,
 <linux-doc@vger.kernel.org>, <rust-for-linux@vger.kernel.org>
To: "Alexandre Courbot" <acourbot@nvidia.com>
References: <20260323-b4-nova-register-v3-0-ae2486ecef1b@nvidia.com>
 <20260323-b4-nova-register-v3-7-ae2486ecef1b@nvidia.com>
In-Reply-To: <20260323-b4-nova-register-v3-7-ae2486ecef1b@nvidia.com>

On Mon Mar 23, 2026 at 12:07 PM CET, Alexandre Courbot wrote:
> Introduce a powered-up version of our ad-hoc `impl_from_enum_to_u8`
> macro that allows the definition of an enum type associated to a
> `Bounded` of a given width, and provides the `From` and `TryFrom`
> implementations required to use that enum as a register field member.
>
> The next patch will make use of it to convert all falcon registers to
> the kernel register macro.
>
> The macro is unused in this patch: it is introduced ahead-of-time to
> avoid diff mingling in the next patch that would make it difficult to
> review.
>
> Reviewed-by: Gary Guo <gary@garyguo.net>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---
>  drivers/gpu/nova-core/falcon.rs | 82 +++++++++++++++++++++++++++++++++++=
++++++

Why does this live in falcon.rs?