linux-kernel - Re: [PATCH v7 00/10] New DRM accel driver for Rockchip's RKNN NPU

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Message-ID: <CAAObsKB2tLewhCt6LWtuCW1niCPAHvqjWYAQ8t6fv9YLVsQmJQ@mail.gmail.com>
Date: Tue, 24 Jun 2025 07:03:55 +0200
From: Tomeu Vizoso <tomeu@...euvizoso.net>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Oded Gabbay <ogabbay@...nel.org>, 
	Jonathan Corbet <corbet@....net>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Sumit Semwal <sumit.semwal@...aro.org>, Christian König <christian.koenig@....com>, 
	Sebastian Reichel <sebastian.reichel@...labora.com>, 
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>, Kever Yang <kever.yang@...k-chips.com>, 
	Robin Murphy <robin.murphy@....com>, Daniel Stone <daniel@...ishbar.org>, Da Xue <da@...re.computer>, 
	Jeff Hugo <jeff.hugo@....qualcomm.com>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	linux-doc@...r.kernel.org, linux-media@...r.kernel.org, 
	linaro-mm-sig@...ts.linaro.org, 
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v7 00/10] New DRM accel driver for Rockchip's RKNN NPU

On Fri, Jun 20, 2025 at 11:28 AM Heiko Stuebner <heiko@...ech.de> wrote:
>
> Am Freitag, 6. Juni 2025, 08:28:20 Mitteleuropäische Sommerzeit schrieb Tomeu Vizoso:
> > This series adds a new driver for the NPU that Rockchip includes in its
> > newer SoCs, developed by them on the NVDLA base.
> >
> > In its current form, it supports the specific NPU in the RK3588 SoC.
> >
> > The userspace driver is part of Mesa and an initial draft can be found at:
> >
> > https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29698
> >
> > Signed-off-by: Tomeu Vizoso <tomeu@...euvizoso.net>
>
> > ---
> > Nicolas Frattaroli (2):
> >       arm64: dts: rockchip: add pd_npu label for RK3588 power domains
> >       arm64: dts: rockchip: enable NPU on ROCK 5B
> >
> > Tomeu Vizoso (8):
> >       accel/rocket: Add registers header
> >       accel/rocket: Add a new driver for Rockchip's NPU
> >       accel/rocket: Add IOCTL for BO creation
> >       accel/rocket: Add job submission IOCTL
> >       accel/rocket: Add IOCTLs for synchronizing memory accesses
> >       dt-bindings: npu: rockchip,rknn: Add bindings
> >       arm64: dts: rockchip: Add nodes for NPU and its MMU to rk3588-base
> >       arm64: dts: rockchip: Enable the NPU on quartzpro64
>
> from a handling point of view, I would expect patch 1 - 6
> (driver code + dt-binding patch) to go through some driver tree
> but have not clue which one that is.

I think Jeff Hugo would be pulling it into drm-misc? We still need a
R-b for the job submission patch, and also have the userspace driver
ready for merging.

> And afterwards, I would pick up the arm64 devicetree additions
> patches 7 - 10 .

Sounds great.

Thanks!

Tomeu