linux-kernel - Re: [PATCH v6 4/5] media: qcom: camss: csid: Add support for CSID 1080

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Message-ID: <79097e86-1570-440d-b18c-43b143f9ab54@linaro.org>
Date: Tue, 18 Nov 2025 09:43:09 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
 Loic Poulain <loic.poulain@....qualcomm.com>, Robert Foss
 <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Todor Tomov <todor.too@...il.com>,
 Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
 aiqun.yu@....qualcomm.com, tingwei.zhang@....qualcomm.com,
 trilok.soni@....qualcomm.com, yijie.yang@....qualcomm.com,
 Jingyi Wang <jingyi.wang@....qualcomm.com>,
 Atiya Kailany <atiya.kailany@....qualcomm.com>
Subject: Re: [PATCH v6 4/5] media: qcom: camss: csid: Add support for CSID
 1080

On 14/11/2025 03:29, Hangxiang Ma wrote:
> +			if (buf_done_val & BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i)) {
> +				/*
> +				 * buf done and RUP IRQ have been moved to CSID from VFE.
> +				 * Once CSID received buf done, need notify VFE of this
> +				 * event and trigger VFE to handle buf done process.
> +				 */
> +				camss_buf_done(csid->camss, csid->id, i);
> +			}

Somebody needs to have a conversation with the Si design people to tell 
them to stop moving this functionality around... its completely demented.

---
bod