linux-kernel - Re: [PATCH v4 2/4] media: qcom: camss: Add support for MSM8939

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Message-ID: <e73d676ba1901437d471a2a633e94a07b19a3e05.camel@mailoo.org>
Date: Sat, 07 Jun 2025 23:43:26 +0200
From: Vincent Knecht <vincent.knecht@...loo.org>
To: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>, Robert Foss	
 <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>, Bryan O'Donoghue	
 <bryan.odonoghue@...aro.org>, Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,  Bjorn Andersson
 <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 André Apitzsch
	 <git@...tzsch.eu>, phone-devel@...r.kernel.org, 
	~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v4 2/4] media: qcom: camss: Add support for MSM8939

Le vendredi 06 juin 2025 à 13:59 +0300, Vladimir Zapolskiy a écrit :
> Hello Vincent.
> 
> On 6/2/25 20:27, Vincent Knecht via B4 Relay wrote:
> > From: Vincent Knecht <vincent.knecht@...loo.org>
> > 
> > The camera subsystem for the MSM8939 is the same as MSM8916 except with
> > 3 CSID instead of 2, and some higher clock rates.
> > 
> > As a quirk, this SoC needs writing values to 2 VFE VBIF registers
> > (see downstream msm8939-camera.dtsi vbif-{regs,settings} properties).
> > This fixes black stripes across sensor and garbage in CSID TPG outputs.
> > 
> > Add support for the MSM8939 camera subsystem.
> > 
> > Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> > Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
> 
> There was a preceding and partially reviewed changeset published on
> linux-media [1] before v1 of the MSM8939 platform support in CAMSS,
> due to a merge conflict this platform changeset should be rebased IMHO.
> 
> [1] https://lore.kernel.org/all/20250513142353.2572563-4-vladimir.zapolskiy@linaro.org/
> 
> --
> Best wishes,
> Vladimir

Thank you, I'll look into it