From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Kocialkowski Subject: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124 Date: Sun, 9 Jul 2017 19:36:14 +0300 Message-ID: <20170709163614.6746-1-contact@paulk.fr> Return-path: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@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 , Stephen Warren , Mikko Perttunen , Thierry Reding , Paul Kocialkowski List-Id: linux-tegra@vger.kernel.org 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. Signed-off-by: Paul Kocialkowski --- 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>; -- 2.13.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752409AbdGIQgm (ORCPT ); Sun, 9 Jul 2017 12:36:42 -0400 Received: from gagarine.paulk.fr ([109.190.93.129]:61326 "EHLO gagarine.paulk.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752146AbdGIQgl (ORCPT ); Sun, 9 Jul 2017 12:36:41 -0400 From: Paul Kocialkowski To: linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jonathan Hunter , Stephen Warren , Mikko Perttunen , Thierry Reding , Paul Kocialkowski Subject: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124 Date: Sun, 9 Jul 2017 19:36:14 +0300 Message-Id: <20170709163614.6746-1-contact@paulk.fr> X-Mailer: git-send-email 2.13.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. Signed-off-by: Paul Kocialkowski --- 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>; -- 2.13.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: contact@paulk.fr (Paul Kocialkowski) Date: Sun, 9 Jul 2017 19:36:14 +0300 Subject: [PATCH] ARM: tegra: Register host1x node with iommu binding on tegra124 Message-ID: <20170709163614.6746-1-contact@paulk.fr> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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. Signed-off-by: Paul Kocialkowski --- 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>; -- 2.13.1