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Thu, 29 Oct 2026 08:49:42 -0700 (PDT) Received: from [192.168.0.167] ([64.43.45.156]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4ca264d484sm7985666b.27.2026.10.29.08.49.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Oct 2026 08:49:41 -0700 (PDT) Message-ID: <1371d5b5-d347-4456-963e-8effb4a82f27@linaro.org> Date: Thu, 29 Oct 2026 15:49:41 +0000 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 05/14] media: qcom: camss: csid-gen3: Enable RDI SOF driving To: Loic Poulain Cc: Vladimir Zapolskiy , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Bryan O'Donoghue References: <20261029-v4l2-frame-sync-v1-0-d37992559c58@kernel.org> <20261029-v4l2-frame-sync-v1-5-d37992559c58@kernel.org> From: Bryan O'Donoghue Content-Language: en-GB In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 29/10/2026 15:46, Loic Poulain wrote: >> Is this something that should also be tied to frame_sync_en? >> >> Also, just thinking out loud, are there cases where we'd want to >> toggle this dynamically at runtime based on any V4L2 configuration or >> pipeline path? For example, should it be enabled for the pixel path >> but disabled for RDI? > Obviously, if userspace subscribes to the related framesync event, we > should enable it regardless. That's the behaviour already :) Again though we want SOF so that we can drive seqno which really _should_ come from the CSID signal not from buf_done() * --- bod