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

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Message-ID: <baae2a56-5299-486f-acf1-14fe13fd2f81@kernel.org>
Date: Tue, 4 Mar 2025 09:40:21 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jorge Ramirez <jorge.ramirez@....qualcomm.com>
Cc: Vikram Sharma <quic_vikramsa@...cinc.com>, rfoss@...nel.org,
 todor.too@...il.com, bryan.odonoghue@...aro.org, mchehab@...nel.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 andersson@...nel.org, konradybcio@...nel.org, hverkuil-cisco@...all.nl,
 cros-qcom-dts-watchers@...omium.org, catalin.marinas@....com,
 will@...nel.org, linux-arm-kernel@...ts.infradead.org,
 linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: Re: [PATCH v14 2/2] arm64: dts: qcom:
 qcs6490-rb3gen2-vision-mezzanine: Add vision mezzanine

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?

Best regards,
Krzysztof