Message ID | 20180813145027.16346-15-thierry.reding@gmail.com |
---|---|
State | Deferred |
Headers | show |
Series | staging: media: tegra-vdea: Add Tegra124 support | expand |
On Monday, 13 August 2018 17:50:27 MSK Thierry Reding wrote: > From: Thierry Reding <treding@nvidia.com> > > The video decode engine can use the SMMU to use buffers that are not > physically contiguous in memory. This allows better memory usage for > video decoding, since fragmentation may cause contiguous allocations > to fail. > > Signed-off-by: Thierry Reding <treding@nvidia.com> > --- > arch/arm/boot/dts/tegra124.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/boot/dts/tegra124.dtsi > b/arch/arm/boot/dts/tegra124.dtsi index 8fdca4723205..0713e0ed5fef 100644 > --- a/arch/arm/boot/dts/tegra124.dtsi > +++ b/arch/arm/boot/dts/tegra124.dtsi > @@ -321,6 +321,8 @@ > resets = <&tegra_car 61>, > <&tegra_car 63>; > reset-names = "vde", "bsev"; > + > + iommus = <&mc TEGRA_SWGROUP_VDE>; > }; > > apbdma: dma@60020000 { Reviewed-by: Dmitry Osipenko <digetx@gmail.com> The same should be applied to Tegra30.
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index 8fdca4723205..0713e0ed5fef 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -321,6 +321,8 @@ resets = <&tegra_car 61>, <&tegra_car 63>; reset-names = "vde", "bsev"; + + iommus = <&mc TEGRA_SWGROUP_VDE>; }; apbdma: dma@60020000 {