Re: [PATCH v14 2/2] arm64: dts: qcom: qcs6490-rb3gen2-vision-mezzanine: Add vision mezzanine

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On 04/03/25 09:40:21, Krzysztof Kozlowski wrote:
> On 04/03/2025 09:36, Jorge Ramirez wrote:
> > On 03/03/25 18:13:20, Krzysztof Kozlowski wrote:
> >> On 08/02/2025 23:51, Vikram Sharma wrote:
> >>> The Vision Mezzanine for the Qualcomm RB3 Gen 2 ships with an imx577
> >>> camera sensor. Enable IMX577 on the vision mezzanine.
> >>>
> >>> An example media-ctl pipeline for the imx577 is:
> >>>
> >>> media-ctl --reset
> >>> media-ctl -V '"imx577 '17-001a'":0[fmt:SRGGB10/4056x3040 field:none]'
> >>
> >> AFAIU, camss does not support SRGGB10, but only SRGGB10P.
> >>
> >> Based on tests reported on IRC I think this might not have been tested
> >> correctly.
> > 
> > I acquired SRGGB10P (10 bit packed) frames from the camera despite the
> > pipeline being set to SRGGB10 (16 bit) samples.
> > 
> > so something does not add up.
> 
> Then the commands are actually correct, just the camss or media behave
> here a bit unexpected?
>

setting the pipeline (CSI) as SRGGB10 (16 bit samples) as per below

media-ctl --reset
media-ctl -v -V '"imx577 '19-001a'":0[fmt:SRGGB10/4056x3040 field:none]'
media-ctl -V '"msm_csiphy3":0[fmt:SRGGB10/4056x3040]'
media-ctl -V '"msm_csid0":0[fmt:SRGGB10/4056x3040]'
media-ctl -V '"msm_vfe0_rdi0":0[fmt:SRGGB10/4056x3040]'
media-ctl -l '"msm_csiphy3":1->"msm_csid0":0[1]'
media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'

allows to capture SRGGB10P samples (frames-xxxx.bin files contain 10 bit samples for the size)

 ==> yavta -B capture-mplane -c -I -n 5 -f SRGGB10P -s 4056x3040 -F /dev/video0


shouldnt the CSI need to be set to SRGGB10P instead?


> Best regards,
> Krzysztof





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