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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba45553223bsm1134937766b.55.2026.04.27.07.22.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Apr 2026 07:22:42 -0700 (PDT) Message-ID: Date: Mon, 27 Apr 2026 16:22:39 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 10/14] dt-bindings: media: qcom: Add CAMSS Offline Processing Engine (OPE) To: Loic Poulain , Bryan O'Donoghue , Vladimir Zapolskiy , Mauro Carvalho Chehab , Kees Cook , "Gustavo A. R. Silva" , Bryan O'Donoghue , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, devicetree@vger.kernel.org, laurent.pinchart@ideasonboard.com, kieran.bingham@ideasonboard.com References: <20260427-camss-isp-ope-v2-0-f430e7485009@oss.qualcomm.com> <20260427-camss-isp-ope-v2-10-f430e7485009@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260427-camss-isp-ope-v2-10-f430e7485009@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDE1MiBTYWx0ZWRfXyIw+lZFg0s0+ yr0oD0wSn29vteK0ZZAwGz9E79ZwIWw0VgYdkuCIk+da5THbNrLkEsDaD/rvhtxWrPovzesgDNU eyStffOPdjSAOBX9hKAtPRAbxs5YhXd/KgoDGokI5Rp6VBHGCnkmex9ISbZgDSJ+3pVHDKWCTGh Kiq39ylXq79lyFLMIzjaOerKroTG2LeBmK7mXiaK2batkO/qwCpuRYJwfKHOSz6r9lw780wXxKv Lxa7bP/hz2HQ+8MqvVJtYd6icZeOAoXclwhzpZxNanZYJcX18FWwIibr/G554IbebhplmOA3nUz 6C4OZCgVTnjikqYCBz0zfMX7z2JE1ktgo1bEr1Zg1gJrMLJu0JHX61lvKZ8TC1smleFYKHVvvyf 3A/RJw5EQuHgPftodygyAR8UHAVSGff03HjmFCYAKLb6IlDvM8GiHlpEOSs/jFxIjFG3FSl+Is3 khviLjFvIhP5TyTCRZw== X-Proofpoint-GUID: 38iizW_lgio1qToAaqFBjP50Aq0z2pxg X-Authority-Analysis: v=2.4 cv=efANubEH c=1 sm=1 tr=0 ts=69ef7135 cx=c_pps a=N1BjEkVkxJi3uNfLdpvX3g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=HtS05e-23YgY9VhomDQA:9 a=QEXdDO2ut3YA:10 a=crWF4MFLhNY0qMRaF8an:22 X-Proofpoint-ORIG-GUID: 38iizW_lgio1qToAaqFBjP50Aq0z2pxg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-27_04,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 adultscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270152 On 4/27/26 2:43 PM, Loic Poulain wrote: > Add Devicetree binding documentation for the Qualcomm Camera Subsystem > Offline Processing Engine (OPE) found on platforms such as Agatti. > The OPE is a memory-to-memory image processing block which operates > on frames read from and written back to system memory. > > Signed-off-by: Loic Poulain > --- [...] > + clocks = <&gcc GCC_CAMSS_OPE_CLK>, > + <&gcc GCC_CAMSS_OPE_AHB_CLK>, > + <&gcc GCC_CAMSS_NRT_AXI_CLK>; Should the two AXI clocks be aggregated by camss-top instead? Otherwise we run the risk of the OPE driver setting a rate of A and another sub-device setting a rate of B Konrad