linux-kernel - Re: [PATCH 1/2] media: dt-bindings: allwinner: video-engine: Fix number of IOMMU channels

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Message-Id: <166864203895.1233471.6009951127753236678.robh@kernel.org>
Date:   Wed, 16 Nov 2022 17:42:22 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        samuel@...lland.org, linux-media@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, mchehab@...nel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, wens@...e.org
Subject: Re: [PATCH 1/2] media: dt-bindings: allwinner: video-engine: Fix
 number of IOMMU channels


On Wed, 16 Nov 2022 20:31:04 +0100, Jernej Skrabec wrote:
> Cedrus (video engine) on Allwinner H6 actually uses two IOMMU channel,
> not just one. However, Cedrus on SoCs like D1 only uses one channel.
> 
> Allow up to 2 IOMMU channels.
> 
> Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage")
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
> ---
>  .../bindings/media/allwinner,sun4i-a10-video-engine.yaml        | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Running 'make dtbs_check' with the schema in this patch gives the
following warnings. Consider if they are expected or the schema is
incorrect. These may not be new warnings.

Note that it is not yet a requirement to have 0 warnings for dtbs_check.
This will change in the future.

Full log is available here: https://patchwork.ozlabs.org/patch/


video-codec@...e000: iommus: [[10, 3]] is too short
	arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dtb
	arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-one-plus.dtb

video-codec@...e000: iommus: [[12, 3]] is too short
	arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dtb
	arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dtb
	arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dtb
	arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dtb
	arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dtb
	arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6-mini.dtb