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Tue, 01 Oct 2024 02:30:34 -0700 (PDT) Received: from [192.168.0.15] ([176.61.106.227]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c882493e54sm5913896a12.80.2024.10.01.02.30.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Oct 2024 02:30:33 -0700 (PDT) Message-ID: Date: Tue, 1 Oct 2024 10:30:31 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/10] (no cover subject) To: Luca Weiss , Vikram Sharma , Robert Foss , Todor Tomov , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kapatrala Syed , Hariram Purushothaman , Bjorn Andersson , Konrad Dybcio , Hans Verkuil , cros-qcom-dts-watchers@chromium.org, Catalin Marinas , Will Deacon Cc: linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Suresh Vankadara , Trishansh Bhardwaj , stable@vger.kernel.org, Hariram Purushothaman References: <20240904-camss_on_sc7280_rb3gen2_vision_v2_patches-v1-0-b18ddcd7d9df@quicinc.com> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 01/10/2024 09:24, Luca Weiss wrote: >> media-ctl --reset >> yavta --no-query -w '0x009f0903 2' /dev/v4l-subdev5 >> yavta --list /dev/v4l-subdev5 >> media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4056x3040]' >> media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4056x3040]' >> media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]' >> media-ctl -d /dev/media0 -p > Hi Bryan! > > These commands are to set up the pipeline, and what then to grab an > image from it? > > I tried this, but it also just hangs: > > $ yavta -B capture-mplane --capture=3 -n 3 -f SRGGB10P -s 4056x3040 /dev/video0 --file=foo-#.bin > Device /dev/video0 opened. > Device `Qualcomm Camera Subsystem' on `platform:acb3000.camss' (driver 'qcom-camss') supports video, capture, with mplanes. > Video format set: SRGGB10P (41415270) 4056x3040 field none, 1 planes: > * Stride 5072, buffer size 15418880 > Video format: SRGGB10P (41415270) 4056x3040 field none, 1 planes: > * Stride 5072, buffer size 15418880 > 3 buffers requested. > length: 1 offset: 3326519176 timestamp type/source: mono/EoF > Buffer 0/0 mapped at address 0xffffa0c00000. > length: 1 offset: 3326519176 timestamp type/source: mono/EoF > Buffer 1/0 mapped at address 0xffff9fc08000. > length: 1 offset: 3326519176 timestamp type/source: mono/EoF > Buffer 2/0 mapped at address 0xffff9ec10000. No there's no CSIPHY in that case, it should be the TPG inside of CSID0 @ /dev/v4l-subdev5 which generates the data. Just for verification purposes do a `media-ctl -d /dev/media0 -p` and confirm that /dev/v4l-subdev5 == csid0 Rewrite the above as export csid0=v4l-subdevX media-ctl --reset yavta --no-query -w '0x009f0903 2' /dev/$csid0 yavta --list /dev/$csid0 media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4056x3040]' media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4056x3040]' media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]' media-ctl -d /dev/media0 -p basically you have to make sure you've set the TPG on the correct subdev.. Something like in media-ctl subdev4 in my case. - entity 13: msm_csid0 (5 pads, 36 links, 0 routes) type V4L2 subdev subtype Unknown flags 0 device node name /dev/v4l-subdev4 => export csid0=v4l-subdev4 media-ctl --reset yavta --no-query -w '0x009f0903 2' /dev/$csid0 yavta --list /dev/$csid0 media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4056x3040]' media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4056x3040]' media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]' media-ctl -d /dev/media0 -p --- bod