Hi Jernej,
On Fri, Jan 24, 2020 at 09:54:23PM +0100, Jernej Škrabec wrote:
> Dne sreda, 22. januar 2020 ob 13:44:09 CET je Maxime Ripard napisal(a):
> > Now that we have a driver for the IOMMU, let's start using it.
> >
> > Signed-off-by: Maxime Ripard <max...@cerno.tech>
> > ---
> > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 11 +++++++++++
> > 1 file changed, 11 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index
> > 29824081b43b..8608bcf1c52c 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > @@ -53,6 +53,7 @@
> > de: display-engine {
> > compatible = "allwinner,sun50i-h6-display-engine";
> > allwinner,pipelines = <&mixer0>;
> > + iommus = <&iommu 0>;
> > status = "disabled";
> > };
>
> Isn't iommu property of the mixer node? After all, mixer is the one which
> reads one or more framebuffers. Once second mixer is defined, would you put
> another iommu phandle here?You're right. I added it during the early dev, and forgot to remove it. Thanks! Maxime
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