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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-144d55e29absm16867920c88.12.2026.09.20.00.19.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 00:19:32 -0700 (PDT) Date: Sun, 20 Sep 2026 15:19:26 +0800 From: Shawn Guo To: Wenmeng Liu Cc: Bryan O'Donoghue , Vladimir Zapolskiy , Loic Poulain , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bryan O'Donoghue , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hangxiang Ma , Atiya Kailany Subject: Re: [PATCH 3/6] media: qcom: camss: vfe: Add support for VFE gen4 Message-ID: References: <20260915-nord-v1-0-20db41a7f1ff@oss.qualcomm.com> <20260915-nord-v1-3-20db41a7f1ff@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260915-nord-v1-3-20db41a7f1ff@oss.qualcomm.com> X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIwMDEwNCBTYWx0ZWRfXwnqmFHtUXRwa Gz6xazonYt+VzorUcmUwJgBY6vBZsmYwW8iKVFXdb7TjkaEfha8Nr82ekTha1ERpz2IjkzAOplU Tgjrqj0kmI4xxBcUdT5DPF7X4n0DLb0= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIwMDEwNCBTYWx0ZWRfX3HpP6Jf5NwKD 8b00sZbf867raO+q0lyYUPqS05Id+IFeJ5vVp+I7tVkF2zQvK5qHfQS5KYCEZaypSeieOlBQeDH zxwyoS7JL5z4f2piSenKih3P4kigHnqCBZ75vwI7DBYMPctkH81ojFlZd5BN+brS1ONWiL8NWwJ Ps8UkWFiTUO2/JLaSVGM6eRoCkR8eu310Jfhy/joYp3FFE/gywlOnxjg/Os1QhGri/4A00iEy1y elC/TY8TGCcuB/m8p3IPRijF/IO7B2vxfwK5iVi5FhJ5ldjMLZDJSxbu0TMwHucmROjD0evTmq6 A28yb145FYJ9/qGSjLFw77H3o1QBYW7x14Zla2xAOYi00MmcsKYOmIY1ycSOqpRXsljGLLBhpmv iEgVLdAbWmv75G6t5hHBI2rI36k+eFQRn1CNDqPJwpFVxH2j2ESICN1QbuImcyf3rPgRoQz4zTF IA9nVIA7LXqkXeery2A== X-Proofpoint-ORIG-GUID: gvM0HTjm-fbf6ndqYumQRUXlfaYzVXEC X-Proofpoint-GUID: gvM0HTjm-fbf6ndqYumQRUXlfaYzVXEC X-Authority-Analysis: v=2.4 cv=QKv91QLL c=1 sm=1 tr=0 ts=6aaf8906 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=l4MyZbu1PlRJkBM_CE0A:9 a=CjuIK1q_8ugA:10 a=x9snwWr2DeNwDh03kgHS:22 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=2026-09-20_02,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 malwarescore=0 spamscore=0 bulkscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609200104 On Tue, Sep 15, 2026 at 05:34:13PM +0800, Wenmeng Liu wrote: > From: Hangxiang Ma > > Add support for the VFE (Video Front End) Gen4 found on Kaanapali SoC. > > In the Kaanapali camera subsystem, the front-end blocks are referred to > as TFEs (Thin Front Ends). This driver continues to use the VFE naming > in some places to preserve consistency with the existing code and avoid > unnecessary renaming. Support is currently limited to three output lines, > matching the constraints of the CAMSS framework. > > Kaanapali requires REG_UPDATE and AUP_UPDATE to be issued only after all > CSID configuration has completed. In addition, the number of AUP_UPDATE > requests must match the number of buffers queued to the write master > while it is being enabled. > > Although real-time TFE traffic is routed through RT_CAMNOC, both > camnoc_rt_axi and camnoc_nrt_axi clocks must be enabled. This ensures Neither the binding's clock-names nor vfe_res_nord seems to have camnoc_nrt_axi. Shawn > that the PDX_NOC, which sits downstream of both RT and NRT NOCs, exits > reset in a fully idle state. > > Co-developed-by: Atiya Kailany > Signed-off-by: Atiya Kailany > Signed-off-by: Hangxiang Ma > Signed-off-by: Wenmeng Liu