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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,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 8288FC433B4 for ; Fri, 2 Apr 2021 14:41:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 643BE610F7 for ; Fri, 2 Apr 2021 14:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235670AbhDBOlb (ORCPT ); Fri, 2 Apr 2021 10:41:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235584AbhDBOlb (ORCPT ); Fri, 2 Apr 2021 10:41:31 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CEAB2C0613E6; Fri, 2 Apr 2021 07:41:29 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id d13so7879596lfg.7; Fri, 02 Apr 2021 07:41:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=IsX2fSpKSdiwRPQlQlIkNhzwSN2iZpEukx+GE8vH9qg=; b=fFDfjIFUquAmZhBi79ZzBpPk8+pSX5NyVymkZyitmoi8HBcBpJOZk6E0VXmiwNT24h 1I2ySRqqaoLzP96y6aDYdBYayiybVzEmPuYuQWr4UyKWtwzfUTt6q58ekkwqJ6S1Tu54 FdWi856BHZtiMeNf9djvldoC41p1vhRHr115ksgkBOTI6aW+ade4OTNp10viyhYyyWh6 gVe57qpwV0m5wEUH8+CsHWXpZZ3pWazL9nmkZ70HMERVlIRFpGyDEXBPmf8dXC5r0wmX ixrIMy95017vGsprcoRWBrHgbedvXjdqZHkqdAaA2+rbLd/2obfXgHGouQQDbQnWJwOj PZFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=IsX2fSpKSdiwRPQlQlIkNhzwSN2iZpEukx+GE8vH9qg=; b=HKD5ToiK3E07uGiJF2be6z9Ha+9HdfC63ZUNnCp95uK+mavc0BZYPKQOMn6CMaGQbq 8dUrYVK4azq3xpJhQL6LHUnXpUj2jS9yRP+RzXMhc7LYJlM+MVgyCc3Sd7TWXjacLoW6 leADibXygD4cnqF4AD9mAAn0EZiS7vrB1QuTZeUGWkW3LWTMFnrUEOiMtAjMv+ofa/am Sr9FQJJYd/yqzUm6fcX3WJ5zgRBWJ8ByevQLdvRQGgbtxcjfX7/w52uy25gXMTw9XPbs Zc850ufzolPhri/QxoRYBehjFGHCePuARvbGHhaFF34nqfp8hKjawwocGHU48U4f93kP kDHA== X-Gm-Message-State: AOAM532jTlEjY+syTia4piFkPL3hXMOe+Ufuet6AY/96avW7eXNGYe3p kJ0TQPh2PWtgTEO/bNJhjfMGGbcZVTk= X-Google-Smtp-Source: ABdhPJwwoUZvVSq/hePy5G963Ex3XoRDx03nWyTsTGIxWHYwZG/Fs5XTPo/9Yv99F31iN3SgR4Kx/w== X-Received: by 2002:a19:5008:: with SMTP id e8mr8987591lfb.571.1617374488127; Fri, 02 Apr 2021 07:41:28 -0700 (PDT) Received: from [192.168.2.145] (109-252-193-85.dynamic.spd-mgts.ru. [109.252.193.85]) by smtp.googlemail.com with ESMTPSA id x19sm878929lfr.198.2021.04.02.07.41.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 Apr 2021 07:41:27 -0700 (PDT) Subject: Re: [PATCH v1 2/2] iommu/tegra-smmu: Revert workaround that was needed for Nyan Big Chromebook To: Nicolin Chen , guillaume.tucker@collabora.com Cc: Thierry Reding , Joerg Roedel , Jonathan Hunter , Krishna Reddy , Will Deacon , iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210328233256.20494-1-digetx@gmail.com> <20210328233256.20494-2-digetx@gmail.com> <20210401085549.GA31146@Asurada-Nvidia> From: Dmitry Osipenko Message-ID: <50a7e4c7-0e72-534a-a317-366e455213c1@gmail.com> Date: Fri, 2 Apr 2021 17:40:55 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210401085549.GA31146@Asurada-Nvidia> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 01.04.2021 11:55, Nicolin Chen пишет: > 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. > Indeed, thanks. Although, I'm pretty sure that it's the same issue which I reproduced on Nexus 7. Guillaume, could you please give a test to these patches on Nyan Big? There should be no EMEM errors in the kernel log with this patches. https://patchwork.ozlabs.org/project/linux-tegra/list/?series=236215 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,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,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 55C24C433B4 for ; Fri, 2 Apr 2021 14:41:34 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 00EBB6115A for ; Fri, 2 Apr 2021 14:41:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 00EBB6115A 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 smtp4.osuosl.org (Postfix) with ESMTP id BCEE4414F8; Fri, 2 Apr 2021 14:41:33 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Dk8DIxaUgOLt; Fri, 2 Apr 2021 14:41:32 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTP id 8057A414EF; Fri, 2 Apr 2021 14:41:32 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 61F50C000B; Fri, 2 Apr 2021 14:41:32 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [IPv6:2605:bc80:3010::138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 862DFC000A for ; Fri, 2 Apr 2021 14:41:31 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 747D484C86 for ; Fri, 2 Apr 2021 14:41:31 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp1.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kwcyLN4ZUXqC for ; Fri, 2 Apr 2021 14:41:30 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by smtp1.osuosl.org (Postfix) with ESMTPS id 4D67A84C84 for ; Fri, 2 Apr 2021 14:41:30 +0000 (UTC) Received: by mail-lf1-x132.google.com with SMTP id v15so7888569lfq.5 for ; Fri, 02 Apr 2021 07:41:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=IsX2fSpKSdiwRPQlQlIkNhzwSN2iZpEukx+GE8vH9qg=; b=fFDfjIFUquAmZhBi79ZzBpPk8+pSX5NyVymkZyitmoi8HBcBpJOZk6E0VXmiwNT24h 1I2ySRqqaoLzP96y6aDYdBYayiybVzEmPuYuQWr4UyKWtwzfUTt6q58ekkwqJ6S1Tu54 FdWi856BHZtiMeNf9djvldoC41p1vhRHr115ksgkBOTI6aW+ade4OTNp10viyhYyyWh6 gVe57qpwV0m5wEUH8+CsHWXpZZ3pWazL9nmkZ70HMERVlIRFpGyDEXBPmf8dXC5r0wmX ixrIMy95017vGsprcoRWBrHgbedvXjdqZHkqdAaA2+rbLd/2obfXgHGouQQDbQnWJwOj PZFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=IsX2fSpKSdiwRPQlQlIkNhzwSN2iZpEukx+GE8vH9qg=; b=AUeMn7aHdnHt8tqahxtoxanGyyJfc+YV3MJjAdPIa38wbK8HwMufE++x6BiFrzYPnI QBLttqYGfJ3qZkczj0lfd836c5YfcsJH7/ARY9zpAXl4BA+uQb1rD+OkiI6WVnlnFfxQ 66h5yQY5qesQj7ZrcmGTU7XibYIIggNUH7V/x4Y/vrMt8CEaHmuG6s6lAGFi2V2lFj9G 3d0u6TOh4D4DJQ7MpMM4FPjQNUvVH+6nwuzekTu5k8Y0JiYrNECTIyW0PmiCdEUUhyj7 BpDXRT3IdmRcEyEyFdVfQenfah9dGT0Ar/5Sj7Y231vrHzuE/I7xgKLJi4Ok62ZyxOUI XVzg== X-Gm-Message-State: AOAM531top7M6DjEweU5bCRpScXIsMudwilcK6jN/ePxotMaalROqMAB Y1aMAXJrPMsCs+dmARasGAE= X-Google-Smtp-Source: ABdhPJwwoUZvVSq/hePy5G963Ex3XoRDx03nWyTsTGIxWHYwZG/Fs5XTPo/9Yv99F31iN3SgR4Kx/w== X-Received: by 2002:a19:5008:: with SMTP id e8mr8987591lfb.571.1617374488127; Fri, 02 Apr 2021 07:41:28 -0700 (PDT) Received: from [192.168.2.145] (109-252-193-85.dynamic.spd-mgts.ru. [109.252.193.85]) by smtp.googlemail.com with ESMTPSA id x19sm878929lfr.198.2021.04.02.07.41.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 Apr 2021 07:41:27 -0700 (PDT) Subject: Re: [PATCH v1 2/2] iommu/tegra-smmu: Revert workaround that was needed for Nyan Big Chromebook To: Nicolin Chen , guillaume.tucker@collabora.com References: <20210328233256.20494-1-digetx@gmail.com> <20210328233256.20494-2-digetx@gmail.com> <20210401085549.GA31146@Asurada-Nvidia> From: Dmitry Osipenko Message-ID: <50a7e4c7-0e72-534a-a317-366e455213c1@gmail.com> Date: Fri, 2 Apr 2021 17:40:55 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210401085549.GA31146@Asurada-Nvidia> Content-Language: en-US Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Jonathan Hunter , Thierry Reding , 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="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" MDEuMDQuMjAyMSAxMTo1NSwgTmljb2xpbiBDaGVuINC/0LjRiNC10YI6Cj4gT24gTW9uLCBNYXIg MjksIDIwMjEgYXQgMDI6MzI6NTZBTSArMDMwMCwgRG1pdHJ5IE9zaXBlbmtvIHdyb3RlOgo+PiBU aGUgcHJldmlvdXMgY29tbWl0IGZpeGVzIHByb2JsZW0gd2hlcmUgZGlzcGxheSBjbGllbnQgd2Fz IGF0dGFjaGluZyB0b28KPj4gZWFybHkgdG8gSU9NTVUgZHVyaW5nIGtlcm5lbCBib290IGluIGEg bXVsdGktcGxhdGZvcm0ga2VybmVsIGNvbmZpZ3VyYXRpb24KPj4gd2hpY2ggZW5hYmxlcyBDT05G SUdfQVJNX0RNQV9VU0VfSU9NTVU9eS4gVGhlIHdvcmthcm91bmQgdGhhdCBoZWxwZWQgdG8KPj4g ZGVmZXIgdGhlIElPTU1VIGF0dGFjaG1lbnQgZm9yIE55YW4gQmlnIENocm9tZWJvb2sgaXNuJ3Qg bmVlZGVkIGFueW1vcmUsCj4+IHJldmVydCBpdC4KPiAKPiBTb3JyeSBmb3IgdGhlIGxhdGUgcmVw bHkuIEkgaGF2ZSBiZWVuIGJ1c3kgd2l0aCBkb3duc3RyZWFtIHRhc2tzLgo+IAo+IEkgd2lsbCBn aXZlIHRoZW0gYSB0cnkgYnkgdGhlIGVuZCBvZiB0aGUgd2Vlay4gWWV0LCBwcm9iYWJseSBpdCdk Cj4gYmUgYmV0dGVyIHRvIGluY2x1ZGUgR3VpbGxhdW1lIGFsc28gYXMgaGUgaGFzIHRoZSBOeWFu IHBsYXRmb3JtLgo+IAoKSW5kZWVkLCB0aGFua3MuIEFsdGhvdWdoLCBJJ20gcHJldHR5IHN1cmUg dGhhdCBpdCdzIHRoZSBzYW1lIGlzc3VlIHdoaWNoCkkgcmVwcm9kdWNlZCBvbiBOZXh1cyA3LgoK R3VpbGxhdW1lLCBjb3VsZCB5b3UgcGxlYXNlIGdpdmUgYSB0ZXN0IHRvIHRoZXNlIHBhdGNoZXMg b24gTnlhbiBCaWc/ClRoZXJlIHNob3VsZCBiZSBubyBFTUVNIGVycm9ycyBpbiB0aGUga2VybmVs IGxvZyB3aXRoIHRoaXMgcGF0Y2hlcy4KCmh0dHBzOi8vcGF0Y2h3b3JrLm96bGFicy5vcmcvcHJv amVjdC9saW51eC10ZWdyYS9saXN0Lz9zZXJpZXM9MjM2MjE1Cl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0 cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcv bWFpbG1hbi9saXN0aW5mby9pb21tdQ==