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=-2.0 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 751BDC433ED for ; Thu, 1 Apr 2021 08:57:55 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BD27B610A5 for ; Thu, 1 Apr 2021 08:57:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD27B610A5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 5DF7060A97; Thu, 1 Apr 2021 08:57:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rrMmqtDaxIsx; Thu, 1 Apr 2021 08:57:53 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTP id 4A53D60A93; Thu, 1 Apr 2021 08:57:53 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 149D8C000B; Thu, 1 Apr 2021 08:57:53 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9EEACC000A for ; Thu, 1 Apr 2021 08:57:51 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 8023440296 for ; Thu, 1 Apr 2021 08:57:51 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp2.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BwtAdqnKx2Vk for ; Thu, 1 Apr 2021 08:57:51 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by smtp2.osuosl.org (Postfix) with ESMTPS id F30F1400C2 for ; Thu, 1 Apr 2021 08:57:50 +0000 (UTC) Received: by mail-pj1-x102e.google.com with SMTP id x21-20020a17090a5315b029012c4a622e4aso671485pjh.2 for ; Thu, 01 Apr 2021 01:57:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=oXtJ821yB9S8peS7jwk7jXIhvNxqy4kwSPnw73VGxuY=; b=aA5+PCF5ZjUkVztXBPOOYY2ElzvNGYpU+nmwQbZeikkytPRSBL3KM0UIJYvlGV43eZ jMCLFVWtv0tNz/qNiQPUDKTbOuAKOXQT4Go8yTJZx6BLJP5iiPI7E2pbfp6ObQK7cNGo NGpuNX7kaEnW/v3sJsAQnq1p21TchRmAm8ofsDXDzn786S0o+0sTpP7zb49tQ5mZ0BE6 WwyMNvXZVwqy6nMZ0SfONJmIxRNDW885ZzzFzjySanxNQrl3E1un6u8Zl9S8DZjXTpCm eCqk0n3W/gKZkEH/ySIRus1BQ6SeM9T/sv16mkNcKIok3heNI6DMJdfbjqaElZfyHiZs CyJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=oXtJ821yB9S8peS7jwk7jXIhvNxqy4kwSPnw73VGxuY=; b=TVggU4OM7jiGla/06lNiP+QlvpHVrbK1JaxczIh3CShSnDM/TmIiMLhqhNyrA4Gtjg XG/sM1zh/TU1Oz2DCNXkIFDDsFXKPz+aHUE6oaGgkhPz/wjGkuuNWvZ5MxS0KIpCjow5 W4W0xEcxEOD2fv7H9O1LyX3WpGg05em5ZOPNjxhqVYaF8tmbDR79IAppzBEM+ENcu3ab 8rVU+LAYT2CgwAgz7pU9ayyry7U06ebXNXfwtLhhlISykTJ1L7xWHUDk2f7ybACstesN nJWA6ThZTlVsyRf/HpsvlT9NMj6v91exo3mlT+lPT+ubWHKuUMMP2IvHIg2TyGLq3bkh G4FA== X-Gm-Message-State: AOAM532VOQIchJokDUB0zDF9GblxQ0uM0kBVulbxknDLtCSfbxNouiX4 XQFb7lvWTvk5wjyVnYFoFg4= X-Google-Smtp-Source: ABdhPJzvGu1N/wS8TdEjPhRmZPGQtvMqhoK8l4yaacUdBjiNF8CVAyTyrCf93DCUjT3hj2p3hpmsTg== X-Received: by 2002:a17:902:a502:b029:e8:3a40:bc6d with SMTP id s2-20020a170902a502b02900e83a40bc6dmr4974818plq.14.1617267470411; Thu, 01 Apr 2021 01:57:50 -0700 (PDT) Received: from Asurada-Nvidia (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id y7sm4824167pja.25.2021.04.01.01.57.49 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 01 Apr 2021 01:57:50 -0700 (PDT) Date: Thu, 1 Apr 2021 01:55:49 -0700 From: Nicolin Chen To: Dmitry Osipenko Subject: Re: [PATCH v1 2/2] iommu/tegra-smmu: Revert workaround that was needed for Nyan Big Chromebook Message-ID: <20210401085549.GA31146@Asurada-Nvidia> References: <20210328233256.20494-1-digetx@gmail.com> <20210328233256.20494-2-digetx@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210328233256.20494-2-digetx@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Jonathan Hunter , Thierry Reding , guillaume.tucker@collabora.com, linux-tegra@vger.kernel.org, Will Deacon X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Mon, Mar 29, 2021 at 02:32:56AM +0300, Dmitry Osipenko wrote: > The previous commit fixes problem where display client was attaching too > early to IOMMU during kernel boot in a multi-platform kernel configuration > which enables CONFIG_ARM_DMA_USE_IOMMU=y. The workaround that helped to > defer the IOMMU attachment for Nyan Big Chromebook isn't needed anymore, > revert it. Sorry for the late reply. I have been busy with downstream tasks. I will give them a try by the end of the week. Yet, probably it'd be better to include Guillaume also as he has the Nyan platform. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu