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Fri, 02 May 2025 13:48:48 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 542DmmjX006169 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 2 May 2025 13:48:48 GMT Received: from [10.50.25.148] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 2 May 2025 06:48:41 -0700 Message-ID: Date: Fri, 2 May 2025 19:18:38 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v3 03/23] media: iris: Avoid updating frame size to firmware during reconfig Content-Language: en-US To: Bryan O'Donoghue , 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 , , , , , <20250417-topic-sm8x50-iris-v10-v7-0-f020cb1d0e98@linaro.org>, <20250424-qcs8300_iris-v5-0-f118f505c300@quicinc.com>, References: <20250502-qcom-iris-hevc-vp9-v3-0-552158a10a7d@quicinc.com> <20250502-qcom-iris-hevc-vp9-v3-3-552158a10a7d@quicinc.com> <0c09f19b-dbf6-401b-bf4a-8e416487a34b@linaro.org> From: Dikshita Agarwal In-Reply-To: <0c09f19b-dbf6-401b-bf4a-8e416487a34b@linaro.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 7ToMQ9cU0PJmm7BnR6f-8whltnB4kcYY X-Authority-Analysis: v=2.4 cv=Yaq95xRf c=1 sm=1 tr=0 ts=6814cd40 cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=CLQzPvPphrPxIyWN1zsA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTAyMDEwOSBTYWx0ZWRfX76CbQpqSRmPB XDEZS2iYOQyDZawZ4Wo5GEna6ItaCE8myPeHiJkqTBVcja5+ZcQFeucC/Zi8XdfZQtEd2zRc22f Zh64buv9nfvqpfuzSTbg4KhQtdXaRdN5rW+HJ5Y+mjgFT/821PtmB42rZy7S2+ODssgdBnAdnYt 7z3gQOGctspYxDwhcGX8qhZzvE11voYengec1DAM1Jl8opvXQtm0DMH0Bce9MTlv6+Bclfjj07r 71UkUrhUr9pB7qI5fkaWzKr8f1Yz6QHGEEhImgMaq0L1G9ZfduwY8zez6dJ+RdC+pSBwlEQVLFK 0RCiWIkEl/vmraTXrFhl/Xv55qyrABUlFuFfuB+8uxSBQM8HQgZ5PM2dFF4Em0/jirCVdT/Flar bTXSWmsK/EbeTudwRtGEamQYfYiwM4AZqkp0hr4JRyeMrme+xcxQ7MMDt8qWfBkXHEJ0lznW X-Proofpoint-GUID: 7ToMQ9cU0PJmm7BnR6f-8whltnB4kcYY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-02_01,2025-04-30_01,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 clxscore=1015 suspectscore=0 bulkscore=0 mlxlogscore=962 malwarescore=0 mlxscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2505020109 On 5/2/2025 5:48 PM, Bryan O'Donoghue wrote: > 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 ? > It's not about the mismatch between APPS and firmware. It's about how firmware handles this, it's not expecting the driver to set the resolution after reconfig. Thanks, Dikshita > --- > bod