linux-kernel - Re: [PATCH 2/2] arm64: dts: allwinner: h6: Fix Cedrus IOMMU channels

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Message-ID: <26d409bb-3936-6458-243e-067b99f76041@sholland.org>
Date:   Wed, 16 Nov 2022 17:07:26 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Jernej Skrabec <jernej.skrabec@...il.com>, mchehab@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        wens@...e.org
Cc:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: allwinner: h6: Fix Cedrus IOMMU channels

On 11/16/22 13:31, Jernej Skrabec wrote:
> Cedrus H6 actually uses two IOMMU channels. During development page
> faults from both were observed. Documentation also lists both of them
> to be connected to Cedrus, but it doesn't make clear which is used for
> what.
> 
> Add second IOMMU channel.
> 
> Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage")
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...il.com>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Samuel Holland <samuel@...lland.org>