On Sun, 2017-07-09 at 19:36 +0300, Paul Kocialkowski wrote:
> This registers the host1x node with the SMMU (as HC swgroup) to allow
> the host1x code to attach to it. It avoid failing the probe sequence,
> which resulted in the tegra drm driver not probing and thus nothing
> being displayed on-screen.
Fixes: 404bfb78daf3 ("gpu: host1x: Add IOMMU support")
> Signed-off-by: Paul Kocialkowski <contact@xxxxxxxx>
> ---
> arch/arm/boot/dts/tegra124.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/tegra124.dtsi
> b/arch/arm/boot/dts/tegra124.dtsi
> index 187a36c6d0fc..b3b89befffeb 100644
> --- a/arch/arm/boot/dts/tegra124.dtsi
> +++ b/arch/arm/boot/dts/tegra124.dtsi
> @@ -85,6 +85,7 @@
> clocks = <&tegra_car TEGRA124_CLK_HOST1X>;
> resets = <&tegra_car 28>;
> reset-names = "host1x";
> + iommus = <&mc TEGRA_SWGROUP_HC>;
>
> #address-cells = <2>;
> #size-cells = <2>;
--
Paul Kocialkowski,
developer of free digital technology and hardware support
Website: https://www.paulk.fr/
Coding blog: https://code.paulk.fr/
Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/
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