linux-kernel - Re: [PATCH 0/4] Add DT bindings and driver code for Scaler

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Message-Id: <175633664976.3746763.8435177839932085825.robh@kernel.org>
Date: Wed, 27 Aug 2025 18:18:52 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Kisung Lee <kiisung.lee@...sung.com>
Cc: dri-devel@...ts.freedesktop.org, 
 Thomas Zimmermann <tzimmermann@...e.de>, Inki Dae <inki.dae@...sung.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org, 
 linux-samsung-soc@...r.kernel.org, Simona Vetter <simona@...ll.ch>, 
 devicetree@...r.kernel.org, linux-media@...r.kernel.org, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, David Airlie <airlied@...il.com>, 
 linux-arm-kernel@...ts.infradead.org, Maxime Ripard <mripard@...nel.org>
Subject: Re: [PATCH 0/4] Add DT bindings and driver code for Scaler


On Wed, 27 Aug 2025 04:47:16 +0000, Kisung Lee wrote:
> This patch series adds device tree bindings and driver support
> for the ExynosAuto scaler hardware. It adds YAML binding docs,
> updates Kconfig and Makefile, and provides initial driver
> code to register the Scaler device as a V4L2 video node for
> video processing.
> 
> Kisung Lee (4):
>   dt-bindings: soc: samsung: scaler: exynos: Add ExynosAutov920
>     compatible
>   media: samsung: scaler: add scaler driver code
>   arm64: dts: exynosautov920: enable support for scaler device
>   media: samsung: scaler: Add Kconfig and Makefile
> 
>  .../bindings/gpu/samsung-scaler.yaml          |    1 +
>  .../arm64/boot/dts/exynos/exynosautov920.dtsi |   22 +
>  drivers/media/platform/samsung/Kconfig        |    1 +
>  drivers/media/platform/samsung/Makefile       |    1 +
>  .../platform/samsung/v920-scaler/Kconfig      |   17 +
>  .../platform/samsung/v920-scaler/Makefile     |    9 +
>  .../samsung/v920-scaler/scaler-core.c         | 3640 +++++++++++++++++
>  .../samsung/v920-scaler/scaler-regs.c         |  744 ++++
>  .../samsung/v920-scaler/scaler-regs.h         |  406 ++
>  .../platform/samsung/v920-scaler/scaler.h     |  621 +++
>  .../v920-scaler/videodev2_exynos_media.h      |  162 +
>  11 files changed, 5624 insertions(+)
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/Kconfig
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/Makefile
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/scaler-core.c
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/scaler-regs.c
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/scaler-regs.h
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/scaler.h
>  create mode 100644 drivers/media/platform/samsung/v920-scaler/videodev2_exynos_media.h
> 
> --
> 2.25.1
> 
> 
> 


My bot found new DTB warnings on the .dts files added or changed in this
series.

Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
are fixed by another series. Ultimately, it is up to the platform
maintainer whether these warnings are acceptable or not. No need to reply
unless the platform maintainer has comments.

If you already ran DT checks and didn't see these error(s), then
make sure dt-schema is up to date:

  pip3 install dtschema --upgrade


This patch series was applied (using b4) to base:
 Base: attempting to guess base-commit...
 Base: tags/next-20250825 (exact match)

If this is not the correct base, please add 'base-commit' tag
(or use b4 which does this automatically)

New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/exynos/' for 20250827044720.3751272-1-kiisung.lee@...sung.com:

arch/arm64/boot/dts/exynos/exynosautov920-sadk.dtb: scaler@...30000 (samsung,exynos5-scaler): 'mscl_ppc_table', 'mscl_qos_table' do not match any of the regexes: '^pinctrl-[0-9]+$'
	from schema $id: http://devicetree.org/schemas/gpu/samsung-scaler.yaml#