From patchwork Sun Jul 9 16:36:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 785927 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3x5DWb0mmCz9s1h for ; Mon, 10 Jul 2017 02:36:43 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752149AbdGIQgl (ORCPT ); Sun, 9 Jul 2017 12:36:41 -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 Received: by gagarine.paulk.fr (Postfix, from userid 65534) id 2293F213F4; Sun, 9 Jul 2017 18:36:39 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on gagarine.paulk.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable autolearn_force=no version=3.4.0 Received: from localhost.localdomain (vpn-0-22.aquilenet.fr [141.255.130.22]) by gagarine.paulk.fr (Postfix) with ESMTP id A0DA820EEB; Sun, 9 Jul 2017 18:36:18 +0200 (CEST) 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-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: 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 Tested-by: Marcel Ziswiler --- 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>;