linux-kernel - Re: [PATCH] MAINTAINERS: Add drm-rust tree for Rust DRM drivers and infrastructure

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Message-ID: <d27ffc705bd1ea3925084bb53ac3b0dd57e4b1e2@intel.com>
Date: Tue, 02 Sep 2025 14:25:30 +0300
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: Danilo Krummrich <dakr@...nel.org>, aliceryhl@...gle.com,
 airlied@...il.com, simona@...ll.ch, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, tzimmermann@...e.de, acourbot@...dia.com,
 daniel.almeida@...labora.com
Cc: nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
 rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, Danilo
 Krummrich <dakr@...nel.org>
Subject: Re: [PATCH] MAINTAINERS: Add drm-rust tree for Rust DRM drivers and
 infrastructure

On Mon, 01 Sep 2025, Danilo Krummrich <dakr@...nel.org> wrote:
> Multiple DRM Rust drivers (e.g. nova-core, nova-drm, Tyr, rvkms) are in
> development, with at least Nova and (soon) Tyr already upstream. Having a
> shared tree will ease and accelerate development, since all drivers can
> consume new infrastructure in the same release cycle.
>
> This includes infrastructure shared with other subsystem trees (e.g. Rust
> or driver-core). By consolidating in drm-rust, we avoid adding extra
> burden to drm-misc maintainers, e.g. dealing with cross-tree topic
> branches.
>
> The drm-misc tree is not a good fit for this stage of development, since
> its documented scope is small drivers with occasional large series.
>
> Rust drivers in development upstream, however, regularly involve large
> patch series, new infrastructure, and shared topic branches, which may
> not align well with drm-misc at this stage.
>
> The drm-rust tree may not be a permanent solution. Once the core Rust,
> DRM, and KMS infrastructure have stabilized, drivers and infrastructure
> changes are expected to transition into drm-misc or standalone driver
> trees respectively. Until then, drm-rust provides a dedicated place to
> coordinate development without disrupting existing workflows too much.
>
> Cc: Alice Ryhl <aliceryhl@...gle.com>
> Cc: David Airlie <airlied@...il.com>
> Cc: Simona Vetter <simona@...ll.ch>
> Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
> Cc: Maxime Ripard <mripard@...nel.org>
> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: Alexandre Courbot <acourbot@...dia.com>
> Cc: Daniel Almeida <daniel.almeida@...labora.com>
> Signed-off-by: Danilo Krummrich <dakr@...nel.org>

FWIW,

Acked-by: Jani Nikula <jani.nikula@...el.com>

> ---
>  MAINTAINERS | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index fe168477caa4..1cd6597c7f1d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -8079,7 +8079,6 @@ F:	Documentation/devicetree/bindings/gpu/
>  F:	Documentation/gpu/
>  F:	drivers/gpu/drm/
>  F:	drivers/gpu/vga/
> -F:	rust/kernel/drm/
>  F:	include/drm/drm
>  F:	include/linux/vga*
>  F:	include/uapi/drm/
> @@ -8096,6 +8095,16 @@ X:	drivers/gpu/drm/radeon/
>  X:	drivers/gpu/drm/tegra/
>  X:	drivers/gpu/drm/xe/
>  
> +DRM DRIVERS AND COMMON INFRASTRUCTURE [RUST]
> +M:	Danilo Krummrich <dakr@...nel.org>
> +M:	Alice Ryhl <aliceryhl@...gle.com>
> +S:	Supported
> +W:	https://drm.pages.freedesktop.org/maintainer-tools/drm-rust.html
> +T:	git https://gitlab.freedesktop.org/drm/rust/kernel.git
> +F:	drivers/gpu/drm/nova/
> +F:	drivers/gpu/nova-core/
> +F:	rust/kernel/drm/
> +
>  DRM DRIVERS FOR ALLWINNER A10
>  M:	Maxime Ripard <mripard@...nel.org>
>  M:	Chen-Yu Tsai <wens@...e.org>
>
> base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585

-- 
Jani Nikula, Intel