linux-kernel - Re: [PATCH v4 11/20] gpu: nova-core: wait for GFW

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Message-ID: <CANiq72n42hbKPmED4PnzCADsy8iM-i0R2dizypTd_Vui5GctJg@mail.gmail.com>
Date: Sat, 31 May 2025 16:09:29 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Lyude Paul <lyude@...hat.com>
Cc: Alexandre Courbot <acourbot@...dia.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 <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>, 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
Subject: Re: [PATCH v4 11/20] gpu: nova-core: wait for GFW_BOOT completion

On Fri, May 30, 2025 at 11:51 PM Lyude Paul <lyude@...hat.com> wrote:
>
> JFYI: You can actually just say Result here, since () is the default type for
> the kernel's Result type

+1

> TBH - we should really add some safe bindings for sleeps instead of calling
> this unsafely, I'd be happy to review them if you do

In case it helps, there is:

    https://lore.kernel.org/rust-for-linux/20250423192857.199712-6-fujita.tomonori@gmail.com/

I think that is the last one -- we have been going back and forth a
bit on it (e.g. we had `coarse_sleep()` in the old `rust` pre-merge
branch), but, yeah, let's try to get the abstraction(s) in.

Cheers,
Miguel