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Mon, 06 Jul 2026 03:12:23 -0700 (PDT) Message-ID: <68e59764-5a10-4abc-849c-14ea2d9ef76e@linaro.org> Date: Mon, 6 Jul 2026 11:12:22 +0100 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 v4 0/5] Add Qualcomm JPEG V4L2 encoder for SM8250 To: Atanas Filipov , linux-media@vger.kernel.org Cc: vladimir.zapolskiy@linaro.org, loic.poulain@oss.qualcomm.com, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20260706071113.383215-1-atanas.filipov@oss.qualcomm.com> From: Bryan O'Donoghue Content-Language: en-US In-Reply-To: <20260706071113.383215-1-atanas.filipov@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 06/07/2026 08:11, Atanas Filipov wrote: > Note: The handling of shared camera subsystem resources (power domains, > interconnects) for child IP blocks is still an open design question. Why ? A device needs to vote on its own interconnect and power-domains on any bus. A sub-device of another device may wish to ramp a clock for whatever reason. There is no "master" device in this block of devices - save perhaps for the CSID mux / wrappers on some of these parts. We have shared resources like camera noc, system noc and external clocks. Please include power-domains and interconnects. --- bod