From: Paul Kocialkowski <contact-W9ppeneeCTY@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Jonathan Hunter
<jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Mikko Perttunen
<mperttunen-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124
Date: Tue, 11 Jul 2017 11:50:09 +0300 [thread overview]
Message-ID: <1499763009.1340.11.camel@paulk.fr> (raw)
In-Reply-To: <20170709163614.6746-1-contact-W9ppeneeCTY@public.gmane.org>
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-W9ppeneeCTY@public.gmane.org>
> ---
> 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/
WARNING: multiple messages have this Message-ID (diff)
From: Paul Kocialkowski <contact@paulk.fr>
To: linux-arm-kernel@lists.infradead.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Mikko Perttunen <mperttunen@nvidia.com>,
Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124
Date: Tue, 11 Jul 2017 11:50:09 +0300 [thread overview]
Message-ID: <1499763009.1340.11.camel@paulk.fr> (raw)
In-Reply-To: <20170709163614.6746-1-contact@paulk.fr>
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@paulk.fr>
> ---
> 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/
WARNING: multiple messages have this Message-ID (diff)
From: contact@paulk.fr (Paul Kocialkowski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124
Date: Tue, 11 Jul 2017 11:50:09 +0300 [thread overview]
Message-ID: <1499763009.1340.11.camel@paulk.fr> (raw)
In-Reply-To: <20170709163614.6746-1-contact@paulk.fr>
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@paulk.fr>
> ---
> 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/
next prev parent reply other threads:[~2017-07-11 8:50 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-09 16:36 [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124 Paul Kocialkowski
2017-07-09 16:36 ` Paul Kocialkowski
2017-07-09 16:36 ` Paul Kocialkowski
[not found] ` <20170709163614.6746-1-contact-W9ppeneeCTY@public.gmane.org>
2017-07-10 5:21 ` Thierry Reding
2017-07-10 5:21 ` Thierry Reding
2017-07-10 5:21 ` Thierry Reding
2017-07-10 6:05 ` Paul Kocialkowski
2017-07-10 6:05 ` Paul Kocialkowski
2017-07-10 6:05 ` Paul Kocialkowski
2017-07-11 8:50 ` Paul Kocialkowski [this message]
2017-07-11 8:50 ` Paul Kocialkowski
2017-07-11 8:50 ` Paul Kocialkowski
[not found] ` <1499763009.1340.11.camel-W9ppeneeCTY@public.gmane.org>
2017-07-11 14:54 ` Marcel Ziswiler
2017-07-11 14:54 ` Marcel Ziswiler
2017-07-11 14:54 ` Marcel Ziswiler
2017-07-11 15:05 ` Paul Kocialkowski
2017-07-11 15:05 ` Paul Kocialkowski
2017-07-11 15:05 ` Paul Kocialkowski
2017-07-11 15:17 ` Marcel Ziswiler
2017-07-11 15:17 ` Marcel Ziswiler
2017-07-11 15:17 ` Marcel Ziswiler
2017-07-31 15:23 ` Thierry Reding
2017-07-31 15:23 ` Thierry Reding
2017-07-31 15:23 ` Thierry Reding
2017-08-01 9:56 ` Paul Kocialkowski
2017-08-01 9:56 ` Paul Kocialkowski
2017-08-01 9:56 ` Paul Kocialkowski
2017-07-31 14:48 ` Thierry Reding
2017-07-31 14:48 ` Thierry Reding
2017-07-31 14:48 ` Thierry Reding
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