linux-kernel - Re: [PATCH 0/4] Add CAMSS support for MSM8939

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Message-ID: <bfc3838c-b2fe-40c9-a1bf-f5269b48dca9@linaro.org>
Date: Mon, 8 Sep 2025 11:56:59 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: git@...tzsch.eu, Robert Foss <rfoss@...nel.org>,
 Todor Tomov <todor.too@...il.com>,
 Vladimir Zapolskiy <vladimir.zapolskiy@...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: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
 linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 Vincent Knecht <vincent.knecht@...loo.org>
Subject: Re: [PATCH 0/4] Add CAMSS support for MSM8939

On 07/09/2025 23:04, André Apitzsch via B4 Relay wrote:
> (This series resumes [1].)
> 
> This series adds CAMSS support for MSM8939.  It's mostly identical to
> MSM8916, except for some clocks and an additional CSI.
> 
> To fix black stripes across sensor output, and garbage in CSID TPG
> output, 2 VFE VBIF register settings are needed.  So the 2nd patch adds
> helper functions to do just that.
> 
> Patch 1: documents qcom,msm8939-camss DT bindings
> Patch 2: adds helper for VFE VBIF settings
> Patch 3: adds CAMSS_8x39 version in CAMSS driver
> Patch 4: adds camss and cci in msm8939.dtsi
> 
> Changes compared to [1]:
> - Move bindings patch to the beginning
> - Make the order of {reg, clock, interrupt} items the same as in 8916 +
>    append additional items
> - Drop R-b tags from bindings and dts patches as order of items was
>    changed
> 
> [1] https://lore.kernel.org/all/20250613-camss-8x39-vbif-v5-0-a002301a7730@mailoo.org/
> 
> Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
> [André: Apply reviewer comments]
> Signed-off-by: André Apitzsch <git@...tzsch.eu>
> ---
> Vincent Knecht (4):
>        media: dt-bindings: Add qcom,msm8939-camss
>        media: qcom: camss: vfe: Add VBIF setting support
>        media: qcom: camss: Add support for MSM8939
>        arm64: dts: qcom: msm8939: Add camss and cci
> 
>   .../bindings/media/qcom,msm8939-camss.yaml         | 254 +++++++++++++++++++++
>   arch/arm64/boot/dts/qcom/msm8939-pm8916.dtsi       |   4 +
>   arch/arm64/boot/dts/qcom/msm8939.dtsi              | 146 ++++++++++++
>   drivers/media/platform/qcom/camss/Makefile         |   1 +
>   drivers/media/platform/qcom/camss/camss-csiphy.c   |   1 +
>   drivers/media/platform/qcom/camss/camss-ispif.c    |   8 +-
>   drivers/media/platform/qcom/camss/camss-vfe-4-1.c  |  12 +
>   drivers/media/platform/qcom/camss/camss-vfe-vbif.c |  31 +++
>   drivers/media/platform/qcom/camss/camss-vfe-vbif.h |  19 ++
>   drivers/media/platform/qcom/camss/camss-vfe.c      |  10 +
>   drivers/media/platform/qcom/camss/camss-vfe.h      |   3 +
>   drivers/media/platform/qcom/camss/camss.c          | 157 +++++++++++++
>   drivers/media/platform/qcom/camss/camss.h          |   1 +
>   13 files changed, 645 insertions(+), 2 deletions(-)
> ---
> base-commit: be5d4872e528796df9d7425f2bd9b3893eb3a42c
> change-id: 20250517-camss-8x39-vbif-975ff5819198
> 
> Best regards,

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>