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

["Danilo Krummrich" <dakr@kernel.org>]

On Tue Sep 2, 2025 at 7:40 PM CEST, Maxime Ripard wrote:
> On Mon, Sep 01, 2025 at 10:26:39PM +0200, Danilo Krummrich 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@google.com>
>> Cc: David Airlie <airlied@gmail.com>
>> Cc: Simona Vetter <simona@ffwll.ch>
>> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
>> Cc: Maxime Ripard <mripard@kernel.org>
>> Cc: Thomas Zimmermann <tzimmermann@suse.de>
>> Cc: Alexandre Courbot <acourbot@nvidia.com>
>> Cc: Daniel Almeida <daniel.almeida@collabora.com>
>> Signed-off-by: Danilo Krummrich <dakr@kernel.org>
>> ---
>>  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@kernel.org>
>> +M:	Alice Ryhl <aliceryhl@google.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/
>> +
>
> Would it make sense to add the drm-misc maintainers as reviewers for the
> bindings?

This will get you all the driver patches in your inbox as well, maybe
discarding the following hunk is what we want instead?

	@@ -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/

> Either way,
>
> Acked-by: Maxime Ripard <mripard@kernel.org>
>
> Maxime