From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,USER_AGENT_NEOMUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4ED8BECDFB8 for ; Fri, 20 Jul 2018 11:57:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 05CDD20652 for ; Fri, 20 Jul 2018 11:57:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=8bytes.org header.i=@8bytes.org header.b="m0gcJNJH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05CDD20652 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730928AbeGTMov (ORCPT ); Fri, 20 Jul 2018 08:44:51 -0400 Received: from 8bytes.org ([81.169.241.247]:59204 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727410AbeGTMou (ORCPT ); Fri, 20 Jul 2018 08:44:50 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id EB70D2DE; Fri, 20 Jul 2018 13:56:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=8bytes.org; s=mail-1; t=1532087814; bh=HPD95rEbpXg8KFpirsxuolH5+jPXZ+7OdmSZOZacxBQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=m0gcJNJHJfqxZ8uW5y1x+dV9T4jnPp+/ayjaZyQpwPUI3aKw4OIbtF7Wu8T6+0I5Z n08cw4Nznnw2A5bcNgZClPo/hKd8tcRv8NYmTgpgYbgudz7wKPX074nd3DarDvUzGv 1XqeHxd/eme/E+Aj81am2X9Mo/aLTywroDx3FsyGKAr9uZDQjrQsWUB1Qv/xL3konq kXrAQEe4RnAKZpZ9RXhoaj8AfSr66+XZhCd+rGkv2sxQnbqN9BznrZ2ulWGDenrNHI 8tD8j9U0UCV2Db9Z9F0WgTurqrnchlFmqs9yqRI20VxMXQrBvnPSrQu7xsbIGHBcwg OklXCy/CuX3eQ== Date: Fri, 20 Jul 2018 13:56:53 +0200 From: Joerg Roedel To: Lu Baolu Cc: David Woodhouse , ashok.raj@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices" Message-ID: <20180720115652.tswu2sohy6snj4hl@8bytes.org> References: <1531031001-5783-1-git-send-email-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1531031001-5783-1-git-send-email-baolu.lu@linux.intel.com> User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jul 08, 2018 at 02:23:21PM +0800, Lu Baolu wrote: > This reverts commit ab96746aaa344fb720a198245a837e266fad3b62. > > The commit ab96746aaa34 ("iommu/vt-d: Clean up pasid quirk for > pre-production devices") triggers ECS mode on some platforms > which have broken ECS support. As the result, graphic device > will be inoperable on boot. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107017 > > Cc: Ashok Raj > Signed-off-by: Lu Baolu > --- > drivers/iommu/intel-iommu.c | 32 ++++++++++++++++++++++++++++++-- > include/linux/intel-iommu.h | 1 + > 2 files changed, 31 insertions(+), 2 deletions(-) Applied to iommu/fixes.