Re: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124

[Paul Kocialkowski]

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/
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