Re: [PATCH v3] ARM: dts: tegra30: Connect SMMU with Video Decoder Engine

Dmitry Osipenko
2019-08-12T16:42:35Z

23.06.2019 20:07, Dmitry Osipenko пишет:
> Enable IOMMU support for the video decoder.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
>
> No changes since v1.
>
> arch/arm/boot/dts/tegra30.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
> index 934caa83c8db..ce162125e7bf 100644
> --- a/arch/arm/boot/dts/tegra30.dtsi
> +++ b/arch/arm/boot/dts/tegra30.dtsi
> @@ -424,6 +424,7 @@
> clocks = <&tegra_car TEGRA30_CLK_VDE>;
> reset-names = "vde", "mc";
> resets = <&tegra_car 61>, <&mc TEGRA30_MC_RESET_VDE>;
> + iommus = <&mc TEGRA_SWGROUP_VDE>;
> };
>
> apbmisc@70000800 {
>

Hello Thierry,

Will be awesome if you could pick up this and [1][2] for v5.4. The rest of the VDE patches
are already applied by the media maintainers in linux-next, please note that [2] is required
to avoid problems caused by the notorious implicit IOMMU backing. Thanks in advance!

[1] http://patchwork.ozlabs.org/patch/1120864/
[2] http://patchwork.ozlabs.org/project/linux-tegra/list/?series=115608