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From: "Eliot Courtney" <ecourtney@nvidia.com>
To: "Alexandre Courbot" <acourbot@nvidia.com>,
	"John Hubbard" <jhubbard@nvidia.com>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Benno Lossin" <lossin@kernel.org>, "Gary Guo" <gary@garyguo.net>
Cc: "Alistair Popple" <apopple@nvidia.com>,
	"Timur Tabi" <ttabi@nvidia.com>,
	"Eliot Courtney" <ecourtney@nvidia.com>,
	"Zhi Wang" <zhiw@nvidia.com>, <nova-gpu@lists.linux.dev>,
	<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
	<rust-for-linux@vger.kernel.org>,
	"dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Subject: Re: [PATCH v2 3/9] gpu: nova-core: gsp: cmdq: group the RPC-specific part of send_single_command
Date: Mon, 28 Sep 2026 13:52:12 +0900	[thread overview]
Message-ID: <DLQOHQMHZG6Q.1REHAKVLIIWEB@nvidia.com> (raw)
In-Reply-To: <20260927-cmdq-rpc-v2-3-c3f66ae73be4@nvidia.com>

On Sun Sep 27, 2026 at 10:46 PM JST, Alexandre Courbot wrote:
> `send_single_command` handles both the transport and message layers of
> the command, intertwining the logic of the two.
>
> Reorder the code so the message layer logic is within the same
> contiguous block of code, so it can easily be moved.
>
> No functional change intended.
>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---
>  drivers/gpu/nova-core/gsp/cmdq.rs | 31 +++++++++++++++++--------------
>  1 file changed, 17 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/nova-core/gsp/cmdq.rs b/drivers/gpu/nova-core/gsp/cmdq.rs
> index 3a8548a51259..07e8e32c3d57 100644
> --- a/drivers/gpu/nova-core/gsp/cmdq.rs
> +++ b/drivers/gpu/nova-core/gsp/cmdq.rs
> @@ -659,18 +659,21 @@ fn send_single_command<M>(&mut self, command: M) -> Result
>              .gsp_mem
>              .allocate_command(size_in_bytes, Self::ALLOCATE_TIMEOUT)?;
>  
> +        // Fill the header.
> +        let msg_element_init = GspMsgElement::init(self.seq, size_in_bytes);
> +        // SAFETY: `msg_header` is a valid reference, and not touched if the initializer fails.

nit: `msg_header` not used here

> +        unsafe {
> +            pin_init::raw_try_init(core::ptr::from_mut(dst.header), msg_element_init)?;
> +        }
> +

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>

  reply	other threads:[~2026-09-28  4:52 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-27 13:46 [PATCH v2 0/9] gpu: nova-core: gsp: prepare the command queue for r000 dual-message types Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 1/9] gpu: nova-core: gsp: cmdq: validate checksum earlier on receive Alexandre Courbot
2026-09-28  4:25   ` Eliot Courtney
2026-09-28  6:24     ` Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 2/9] gpu: nova-core: gsp: introduce and use proper RpcMessageHeader type Alexandre Courbot
2026-09-28  4:43   ` Eliot Courtney
2026-09-28  6:22     ` Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 3/9] gpu: nova-core: gsp: cmdq: group the RPC-specific part of send_single_command Alexandre Courbot
2026-09-28  4:52   ` Eliot Courtney [this message]
2026-09-27 13:46 ` [PATCH v2 4/9] gpu: nova-core: gsp: cmdq: split the transport part of the send path Alexandre Courbot
2026-09-28  5:16   ` Eliot Courtney
2026-09-28  6:19     ` Alexandre Courbot
2026-09-28  6:40       ` Eliot Courtney
2026-09-28 11:35         ` Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 5/9] gpu: nova-core: gsp: cmdq: move the RPC send code into a sub-module Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 6/9] gpu: nova-core: gsp: cmdq: split the transport part of the receive path Alexandre Courbot
2026-09-28  3:19   ` Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 7/9] gpu: nova-core: gsp: cmdq: move the RPC receive code into a sub-module Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 8/9] gpu: nova-core: gsp: move the RPC commands " Alexandre Courbot
2026-09-28  5:25   ` Eliot Courtney
2026-09-28  9:20   ` Zhi Wang
2026-09-28 11:40     ` Alexandre Courbot
2026-09-27 13:46 ` [PATCH v2 9/9] gpu: nova-core: gsp: add `rpc` to RPC message send/receive methods Alexandre Courbot
2026-09-28  5:32   ` Eliot Courtney

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