From mboxrd@z Thu Jan 1 00:00:00 1970 From: thierry.reding@gmail.com (Thierry Reding) Date: Thu, 26 Jun 2014 22:49:46 +0200 Subject: [RFC 06/10] ARM: tegra: tegra124: Enable IOMMU for display controllers In-Reply-To: <1403815790-8548-1-git-send-email-thierry.reding@gmail.com> References: <1403815790-8548-1-git-send-email-thierry.reding@gmail.com> Message-ID: <1403815790-8548-7-git-send-email-thierry.reding@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Thierry Reding Add an iommus property to each of the display controllers and encode the SWGROUP in the specifier. Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra124.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index efa0f0c519be..82751d2878c4 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -3,6 +3,7 @@ #include #include #include +#include #include "skeleton.dtsi" @@ -104,6 +105,8 @@ reset-names = "dc"; nvidia,head = <0>; + + iommus = <&mc TEGRA_SWGROUP_DC>; }; dc at 0,54240000 { @@ -117,6 +120,8 @@ reset-names = "dc"; nvidia,head = <1>; + + iommus = <&mc TEGRA_SWGROUP_DCB>; }; hdmi at 0,54280000 { -- 2.0.0