Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp897306pxb; Wed, 27 Oct 2021 14:42:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzBO17gEqERI/LVQgVHYThIJ55EIZEbSzrx+jVHhgiABk0XFJBoaA0RLYFoa+taWg/a6ySs X-Received: by 2002:a05:6a00:124e:b0:44d:cb39:40f6 with SMTP id u14-20020a056a00124e00b0044dcb3940f6mr258321pfi.22.1635370950888; Wed, 27 Oct 2021 14:42:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1635370950; cv=none; d=google.com; s=arc-20160816; b=hiLOG3Q7RSvKmQygPexdjqc3sFRpU3fQdqTFb7FKyfUEmBV2o9XB7UIDLjrtKtnA3t wx1YhNviTQJLGTyWJd+6/ksOSr7/cTldqHEos7Q2K8aXluKUsfx0uFj8jWU/uFxW+Jg0 t158J0stkQ2uJ9LPpjya6lMOLfzkFqYh/U4CT7oUTsb7rroKvEOgMdIwWu7HbgT3xaE1 Ci253dC48OAPj5tXCgeariYIS+Jg0Tvo7vJrQiVbMn4tmSESEgpzLjmAEBbGxBImyba4 QiJG5cXv1widYwfancRf1iZbjwbJlEO7x7tYfqGBGNqCMUKU/bpu+AMBvfPSjejO3gW5 EcHQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=mf4KK9P9x4qwgytXJ2GzDeg7xuO5uURE8FFm/7JUhoI=; b=KktB5Ott6dAg2ApABm+WWH/hZ67WkbRYytmvbg+QL3RKhLmgMOhcHKe10LXYeV4Af2 ex8HB07kJecoZvGviRKhl/G0ZM3JQelczBHJZ4crY5qsiIaOg+4KDttiiCC2HVCrNiIp bhxN4OGtcKcn6B68SzW9B8JNz4JQTmKZ0yNpl+0aHYCsw+l8qHSCUDi8jFp62nbwH3Cm 7j9z/YW84ty/45g8nHEnBsVf2OfhnPsSK7KhOstGBMxtKT54SKuTm9iXjngKk++4Jsvz ASd76bYV/mSAvDhJywMvDLd+SO2WhjFOWdAFxQ5pTohnrYf7IwjO/WPtWBWbLlGjgfBs vT2A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x62si1421981pgd.488.2021.10.27.14.42.18; Wed, 27 Oct 2021 14:42:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240769AbhJ0ILG (ORCPT + 99 others); Wed, 27 Oct 2021 04:11:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240767AbhJ0ILF (ORCPT ); Wed, 27 Oct 2021 04:11:05 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2538C061570 for ; Wed, 27 Oct 2021 01:08:39 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 7DA64452; Wed, 27 Oct 2021 10:08:38 +0200 (CEST) Date: Wed, 27 Oct 2021 10:08:37 +0200 From: Joerg Roedel To: Sven Peter Cc: Martin =?utf-8?Q?Povi=C5=A1er?= , Alyssa Rosenzweig , Hector Martin , Will Deacon , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iommu/dart: Initialize DART_STREAMS_ENABLE Message-ID: References: <20211019162253.45919-1-sven@svenpeter.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20211019162253.45919-1-sven@svenpeter.dev> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 19, 2021 at 06:22:53PM +0200, Sven Peter wrote: > DART has an additional global register to control which streams are > isolated. This register is a bit redundant since DART_TCR can already > be used to control isolation and is usually initialized to DART_STREAM_ALL > by the time we get control. Some DARTs (namely the one used for the audio > controller) however have some streams disabled initially. Make sure those > work by initializing DART_STREAMS_ENABLE during reset. > > Reported-by: Martin PoviĊĦer > Signed-off-by: Sven Peter > --- Applied, thanks.