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Mon, 21 Sep 2026 05:46:20 -0700 (PDT) X-Received: by 2002:a05:6a21:6f87:b0:3dd:a197:edea with SMTP id adf61e73a8af0-3dda197f85emr11235017637.57.1789994780421; Mon, 21 Sep 2026 05:46:20 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20260915104328.45901-1-gahing@gahingwoo.com> In-Reply-To: <20260915104328.45901-1-gahing@gahingwoo.com> From: Ulf Hansson Date: Mon, 21 Sep 2026 14:46:07 +0200 X-Gm-Features: AcwNN1X9mUUfG00OJyVIt6nOyuDWy2ZSHbWKT6BOlwyDwHXMMZbGC4tmToAM-O4 Message-ID: Subject: Re: [PATCH v13 00/14] accel/rocket: RK3576 NPU (RKNN) enablement To: Jiaxing Hu Cc: tomeu@tomeuvizoso.net, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, ulfh@kernel.org, p.zabel@pengutronix.de, ogabbay@kernel.org, zhangqing@rock-chips.com, royalnet026@gmail.com, abel.vesa@oss.qualcomm.com, sebastian.reichel@collabora.com, sidong.yang@furiosa.ai, u.kleine-koenig@baylibre.com, chaoyi.chen@rock-chips.com, diederik@cknow-tech.com, alchark@flipper.net, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, iommu@lists.linux.dev, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: 7DCu7r6-1TF4_yAzz7gqeNDRsmNRKTSz X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIxMDE4NSBTYWx0ZWRfX7djCiIkbdIZV Ss8JuZrPjCO/Lc2Xh6M+zQW0P0Qychta2H6YV4kU7TQoY/bxRLJF0OhvMPGVAdY+kGmbJUfe3t2 cFIg60ug2PfbYn//bLefSFdkabmhYzM= X-Proofpoint-GUID: 7DCu7r6-1TF4_yAzz7gqeNDRsmNRKTSz X-Authority-Analysis: v=2.4 cv=Ht7jiETS c=1 sm=1 tr=0 ts=6ab1271d cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=9GNsruGHAAAA:8 a=uuLM8HNXhctW1a4qv2gA:9 a=QEXdDO2ut3YA:10 a=3WC7DwWrALyhR5TkjVHa:22 a=gf-oSkQAjqHFJRp-GQfY:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIxMDE4NSBTYWx0ZWRfX4PswwIq4VpM8 KXLMqohsvoRKJqqRfyMrwZgJHYjLCfyeFu8xjtpKPxjFPOloI/hD1M35xijgD1bRY01/p88MyV1 tvDhrjkiwf9mU5XaSwwqmixe+/s6FUowe8/fKuAPa8R9rnCe4DJIXooTqo0wWblSZoGMiXNx5d1 cBbd+bxHGn7PZXY5JyW3A4gmNIf/0Dip0jxbTilITsUY/Q9xj8Ud8pamnfAoiBHrjTZ1pguVRYu HC367NU2GwkquuCZY+q5IB0g9dakdykjTzaeA1350FVur8xgZ2wh+v5hIL2hG9DX6QoHt1I2waZ Jk4MAiGlOMF3c+8fRXwaW0DiBvTYXTInN+cU9Gn7NtsM5U+05/L2qtEEVC576cd1qZa2hC1za/n MJ8U2D8G2Sj7tYdW7X3IVC+s5HA40jq80qnFuSiYhdCFP3VeG7HvHNA2YFC19r8sqK+Ao7+52Tc ag5mGX7IIma7qiJVrhQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-21_04,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 spamscore=0 adultscore=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609210185 On Tue, Sep 15, 2026 at 12:43=E2=80=AFPM Jiaxing Hu = wrote: > > This adds the RK3576 NPU to accel/rocket, which today supports RK3588 > only. The RK3576 carries two cores of the same RKNN block, wired up > differently. Two extra convolution buffer clocks, two power domains per > core, one reset where the RK3588 has two, no NPU SRAM rail, and a > PC_TASK_CON that packs the task number into sixteen bits, not twelve. > [...] > Igor Paunovic (1): > accel/rocket: request the core clocks by name > > Jiaxing Hu (13): > accel/rocket: take the completion register writes under job_lock > accel/rocket: wait for a running IRQ handler before resetting a core > accel/rocket: let the core suspend after a reset > accel/rocket: factor the completion tail out of the IRQ handler > dt-bindings: npu: rockchip: add rockchip,rk3576-rknn-core > dt-bindings: power: rockchip: allow resets in a power domain node > dt-bindings: iommu: rockchip: describe the RK3576 NPU MMU > pmdomain: rockchip: add optional per-domain power-on settle delay > pmdomain: rockchip: cycle optional power-domain resets on power-on > accel/rocket: select the per-core clock and reset counts from match > data > accel/rocket: add RK3576 NPU (RKNN) support > arm64: dts: rockchip: add NPU (RKNN) nodes to rk3576 > arm64: dts: rockchip: enable the NPU on rk3576-rock-4d > > .../bindings/iommu/rockchip,iommu.yaml | 28 ++++ > .../npu/rockchip,rk3588-rknn-core.yaml | 47 +++++- > .../power/rockchip,power-controller.yaml | 8 + > .../boot/dts/rockchip/rk3576-rock-4d.dts | 22 +++ > arch/arm64/boot/dts/rockchip/rk3576.dtsi | 86 +++++++++- > drivers/accel/rocket/rocket_core.c | 32 +++- > drivers/accel/rocket/rocket_core.h | 11 +- > drivers/accel/rocket/rocket_device.c | 7 +- > drivers/accel/rocket/rocket_drv.c | 42 ++++- > drivers/accel/rocket/rocket_drv.h | 2 + > drivers/accel/rocket/rocket_job.c | 151 +++++++++++++++--- > drivers/pmdomain/rockchip/pm-domains.c | 83 +++++++--- > 12 files changed, 456 insertions(+), 63 deletions(-) > > > base-commit: 1a1de54f7369cd2b5bac0f265910e60ad3a6b4c3 > -- > 2.43.0 > I assume it's fine for me to pick up patch7, 9 and 10 from this series and funnel them via my pmdomain tree. If not, please let me know! Kind regards Uffe