From: Thierry Reding <treding@xxxxxxxxxx>
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@xxxxxxxxxx>
---
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 {
--
2.17.0
