linux-kernel - Re: [PATCH v3 03/23] media: iris: Avoid updating frame size to firmware during reconfig

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Message-ID: <0c09f19b-dbf6-401b-bf4a-8e416487a34b@linaro.org>
Date: Fri, 2 May 2025 13:18:26 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Dikshita Agarwal <quic_dikshita@...cinc.com>,
 Vikash Garodia <quic_vgarodia@...cinc.com>,
 Abhinav Kumar <quic_abhinavk@...cinc.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Stefan Schmidt <stefan.schmidt@...aro.org>, Hans Verkuil
 <hverkuil@...all.nl>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 Neil Armstrong <neil.armstrong@...aro.org>,
 Nicolas Dufresne <nicolas.dufresne@...labora.com>,
 linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 20250417-topic-sm8x50-iris-v10-v7-0-f020cb1d0e98@...aro.org,
 20250424-qcs8300_iris-v5-0-f118f505c300@...cinc.com, stable@...r.kernel.org
Subject: Re: [PATCH v3 03/23] media: iris: Avoid updating frame size to
 firmware during reconfig

On 01/05/2025 20:13, Dikshita Agarwal wrote:
> During reconfig, the firmware sends the resolution aligned to 8 bytes.
> If the driver sends the same resolution back to the firmware the resolution
> will be aligned to 16 bytes not 8.
My question here is why there's an alignment mismatch between the APSS 
and firmware at all ?

---
bod