From: Alexandre Courbot <acourbot@nvidia.com>
To: Thierry Reding <thierry.reding@gmail.com>,
Stephen Warren <swarren@wwwdotorg.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
gnurou@gmail.com, Alexandre Courbot <acourbot@nvidia.com>
Subject: [PATCH 1/4] ARM: tegra: Add IOMMU node to GK20A
Date: Wed, 1 Jul 2015 18:13:45 +0900 [thread overview]
Message-ID: <1435742028-8237-2-git-send-email-acourbot@nvidia.com> (raw)
In-Reply-To: <1435742028-8237-1-git-send-email-acourbot@nvidia.com>
Nouveau can make use of the IOMMU to make physical appear linear in the
GPU address space.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
arch/arm/boot/dts/tegra124.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 13cc7ca5e031..bffe90236bf8 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -188,6 +188,9 @@
clock-names = "gpu", "pwr";
resets = <&tegra_car 184>;
reset-names = "gpu";
+
+ iommus = <&mc TEGRA_SWGROUP_GPU>;
+
status = "disabled";
};
--
2.4.4
WARNING: multiple messages have this Message-ID (diff)
From: acourbot@nvidia.com (Alexandre Courbot)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] ARM: tegra: Add IOMMU node to GK20A
Date: Wed, 1 Jul 2015 18:13:45 +0900 [thread overview]
Message-ID: <1435742028-8237-2-git-send-email-acourbot@nvidia.com> (raw)
In-Reply-To: <1435742028-8237-1-git-send-email-acourbot@nvidia.com>
Nouveau can make use of the IOMMU to make physical appear linear in the
GPU address space.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
arch/arm/boot/dts/tegra124.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 13cc7ca5e031..bffe90236bf8 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -188,6 +188,9 @@
clock-names = "gpu", "pwr";
resets = <&tegra_car 184>;
reset-names = "gpu";
+
+ iommus = <&mc TEGRA_SWGROUP_GPU>;
+
status = "disabled";
};
--
2.4.4
next prev parent reply other threads:[~2015-07-01 9:13 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-01 9:13 [PATCH 0/4] ARM: tegra: enable Nouveau for Jetson TK1 and Venice 2 Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot [this message]
2015-07-01 9:13 ` [PATCH 1/4] ARM: tegra: Add IOMMU node to GK20A Alexandre Courbot
2015-07-01 9:13 ` [PATCH 2/4] ARM: tegra: venice2: Add GK20A GPU DT node Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot
2015-07-01 9:13 ` [PATCH 3/4] ARM: tegra: jetson-tk1: " Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot
2015-07-01 9:13 ` [PATCH 4/4] ARM: tegra: Enable Nouveau in defconfig Alexandre Courbot
2015-07-01 9:13 ` Alexandre Courbot
[not found] ` <1435742028-8237-1-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-07-17 8:03 ` [PATCH 0/4] ARM: tegra: enable Nouveau for Jetson TK1 and Venice 2 Thierry Reding
2015-07-17 8:03 ` Thierry Reding
2015-07-17 8:03 ` Thierry Reding
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