Re: [PATCH] arm64: dts: mediatek: mt8192: Add missing dma-ranges to soc node

[Matthias Brugger]

On 05/06/2023 11:45, AngeloGioacchino Del Regno wrote:
> Il 01/06/23 22:32, Nícolas F. R. A. Prado ha scritto:
> > In the series "Adjust the dma-ranges for MTK IOMMU", the mtk-iommu
> > driver was adapted to separate the iova range based on the larb used,
> > and a dma-ranges property was added to the soc node in the devicetree of
> > the affected SoCs allowing the whole 16GB iova range to be used. Except
> > that for mt8192, there was no patch adding dma-ranges.
> >
> > Add the missing dma-ranges property to the soc node like was done for
> > mt8195 and mt8186. This fixes the usage of the vcodec, which would
> > otherwise trigger iommu faults.
> >
> > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> >
> > ---
> > Matthias,
> >
> > this is a very simple but important fix for the vcodec functionality.
> > Since the vcodec node for mt8192 was just merged, can we please get this
> > in in this merge window as well?
>
> +1
>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

Applied, thanks!

> > Thanks,
> > Nícolas
> >
> >   arch/arm64/boot/dts/mediatek/mt8192.dtsi | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi 
> > b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > index 7ff183c35494..a3612de8e9d1 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > @@ -401,6 +401,7 @@ soc {
> >           #address-cells = <2>;
> >           #size-cells = <2>;
> >           compatible = "simple-bus";
> > +        dma-ranges = <0x0 0x0 0x0 0x0 0x4 0x0>;
> >           ranges;
> >           gic: interrupt-controller@c000000 {