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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a099ae0c3dsm2071414f8f.12.2025.05.02.05.18.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 May 2025 05:18:28 -0700 (PDT) Message-ID: <0c09f19b-dbf6-401b-bf4a-8e416487a34b@linaro.org> Date: Fri, 2 May 2025 13:18:26 +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 v3 03/23] media: iris: Avoid updating frame size to firmware during reconfig To: Dikshita Agarwal , Vikash Garodia , Abhinav Kumar , Mauro Carvalho Chehab , Stefan Schmidt , Hans Verkuil , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Dmitry Baryshkov , Neil Armstrong , Nicolas Dufresne , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, 20250417-topic-sm8x50-iris-v10-v7-0-f020cb1d0e98@linaro.org, 20250424-qcs8300_iris-v5-0-f118f505c300@quicinc.com, stable@vger.kernel.org References: <20250502-qcom-iris-hevc-vp9-v3-0-552158a10a7d@quicinc.com> <20250502-qcom-iris-hevc-vp9-v3-3-552158a10a7d@quicinc.com> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: <20250502-qcom-iris-hevc-vp9-v3-3-552158a10a7d@quicinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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