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

From: Heiko Stuebner <heiko@sntech.de>
To: "Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Oded Gabbay" <ogabbay@kernel.org>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
	"Maxime Ripard" <mripard@kernel.org>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Christian König" <christian.koenig@amd.com>,
	"Sebastian Reichel" <sebastian.reichel@collabora.com>,
	"Nicolas Frattaroli" <nicolas.frattaroli@collabora.com>,
	"Kever Yang" <kever.yang@rock-chips.com>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Daniel Stone" <daniel@fooishbar.org>,
	"Da Xue" <da@libre.computer>,
	"Jeff Hugo" <jeff.hugo@oss.qualcomm.com>,
	"Tomeu Vizoso" <tomeu@tomeuvizoso.net>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org,
	linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
	Tomeu Vizoso <tomeu@tomeuvizoso.net>,
	Jeff Hugo <jeff.hugo@oss.qualcomm.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: Re: [PATCH v7 00/10] New DRM accel driver for Rockchip's RKNN NPU
Date: Thu, 19 Jun 2025 11:01:25 +0200	[thread overview]
Message-ID: <2217684.TLkxdtWsSY@phil> (raw)
In-Reply-To: <20250606-6-10-rocket-v7-0-dc16cfe6fe4e@tomeuvizoso.net>

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@tomeuvizoso.net>
> ---
> Changes in v7:
> - Actually enable process isolation by allocating its own IOMMU domain
>   to each DRM client.
> - Link to v6: https://lore.kernel.org/r/20250604-6-10-rocket-v6-0-237ac75ddb5e@tomeuvizoso.net

I was able to successfully run the SSDLite MobileDet model, detecting
elements correctly on that "Sounds of New York" youtube video all the
demos seem to be using ;-) - on a rk3588-tiger board.

NPU needed like 30ms per frame or so and also detected the expected
things, so

Tested-by: Heiko Stuebner <heiko@sntech.de>