linux-kernel - Re: [PATCH v1 3/3] arm64: dts: mt8195: Add venc node

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Date:   Wed, 19 Oct 2022 16:56:49 +0800
From:   Irui Wang <irui.wang@...iatek.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Tinghan Shen <tinghan.shen@...iatek.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Jianjun Wang <jianjun.wang@...iatek.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     <linux-pci@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v1 3/3] arm64: dts: mt8195: Add venc node

On Wed, 2022-10-19 at 10:51 +0200, AngeloGioacchino Del Regno wrote:
> Il 17/10/22 09:08, Tinghan Shen ha scritto:
> > Add venc node for mt8195 SoC.
> > 
> > Signed-off-by: Irui Wang <irui.wang@...iatek.com>
> > Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> > ---
> >   arch/arm64/boot/dts/mediatek/mt8195.dtsi | 24
> > ++++++++++++++++++++++++
> >   1 file changed, 24 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > index 903e92d6156f..7cf2f7ef4ec6 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
> > @@ -2163,6 +2163,30 @@
> >   			power-domains = <&spm
> > MT8195_POWER_DOMAIN_VENC>;
> >   		};
> >   
> > +		venc: venc@...20000 {
> 
> As Krzysztof also said, this is video-codec@...20000.
> 
> Also, there's one more thing... MT8195 has two video encoder cores,
> but this
> node is only for the first one. There's a second instance at
> 0x1b020000: please
> add it.
Dear Angelo,

The second video encoder core 0x1b020000 is not ready in driver, there
is only one core 0x1a020000 used, so we don't need add it in current
patch now.

Thanks
Best Regards
> 
> Regards,
> Angelo
>