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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 48D6EC433F5 for ; Wed, 15 Dec 2021 19:16:29 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id E5BFC415B7; Wed, 15 Dec 2021 19:16:28 +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 EaoC-9167X-Q; Wed, 15 Dec 2021 19:16:28 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id C86A2415B6; Wed, 15 Dec 2021 19:16:27 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9D515C001E; Wed, 15 Dec 2021 19:16:27 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4E8F0C0012 for ; Wed, 15 Dec 2021 19:16:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 34D6B4043B for ; Wed, 15 Dec 2021 19:16:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org 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 PifFLUHkUKbV for ; Wed, 15 Dec 2021 19:16:26 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-oo1-f50.google.com (mail-oo1-f50.google.com [209.85.161.50]) by smtp2.osuosl.org (Postfix) with ESMTPS id 6A599402C3 for ; Wed, 15 Dec 2021 19:16:26 +0000 (UTC) Received: by mail-oo1-f50.google.com with SMTP id r18-20020a4a7252000000b002c5f52d1834so6225181ooe.0 for ; Wed, 15 Dec 2021 11:16:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=xgMdRGgCuIolfRdeKGEr50tqMCz4JPztfeQpCRP8ws0=; b=VVxQJUznIAnn+XDu0hUc5zJvFyy+6BPWBEBnVWw0K7vVWZ9X41iaZf6hBklMHJqtU9 yGX0Ahsf1m8x5whOaApXCUDtVMKtLIKhsOsRGC//b7WrPB3QRPS7PNX1a7dIKQlKHtMc YTXYMiRTLPpBJmxQsjQ/VJiMWlf5FRIBb+0QYnkx8/TIsHzujDM5bjGE6aZVvjPpw0/Y l8m8VlJBVRsjzBzrm0UJi72PbkDRh85Bli9tAqZAtix0fSEpsNWaVmSmdIB1fu1K2QTy EB+iZ9g71ARfpIbauWVaXDbda76to9Kh2fXEWe67GHUNvTJaMljteA0W84EEvUy8BYLl IgHw== X-Gm-Message-State: AOAM532RyA9RkrqsbWSCg63sTKFe1CFwFfsadmoD1Wspgc2ox4Fjoq7S kdj/TKgU5KoPcz5wlRMk4w== X-Google-Smtp-Source: ABdhPJxsusBoa6hPOOtDxjKOQmlBNdaIhp1woTGfzH5zoLjDqu1oEoUdLzD4RkrrplFyG70u7FcjNQ== X-Received: by 2002:a4a:c987:: with SMTP id u7mr8518064ooq.65.1639595785406; Wed, 15 Dec 2021 11:16:25 -0800 (PST) Received: from robh.at.kernel.org (66-90-148-213.dyn.grandenetworks.net. [66.90.148.213]) by smtp.gmail.com with ESMTPSA id x17sm588157oot.30.2021.12.15.11.16.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Dec 2021 11:16:24 -0800 (PST) Received: (nullmailer pid 1673469 invoked by uid 1000); Wed, 15 Dec 2021 19:16:23 -0000 Date: Wed, 15 Dec 2021 13:16:23 -0600 From: Rob Herring To: Thierry Reding Subject: Re: [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia,memory-controller property Message-ID: References: <20211209163600.609613-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211209163600.609613-1-thierry.reding@gmail.com> Cc: devicetree@vger.kernel.org, Will Deacon , Jon Hunter , iommu@lists.linux-foundation.org, Rob Herring , linux-tegra@vger.kernel.org, Robin Murphy , linux-arm-kernel@lists.infradead.org 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 Thu, 09 Dec 2021 17:35:57 +0100, Thierry Reding wrote: > From: Thierry Reding > > On NVIDIA SoC's the ARM SMMU needs to interact with the memory > controller in order to map memory clients to the corresponding stream > IDs. Document how the nvidia,memory-controller property can be used to > achieve this. > > Note that this is a backwards-incompatible change that is, however, > necessary to ensure correctness. Without the new property, most of the > devices would still work but it is not guaranteed that all will. > > Signed-off-by: Thierry Reding > --- > Changes in v2: > - clarify why the new nvidia,memory-controller property is required > > .../devicetree/bindings/iommu/arm,smmu.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > Reviewed-by: Rob Herring _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1E9CC433EF for ; Wed, 15 Dec 2021 19:16:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344135AbhLOTQ0 (ORCPT ); Wed, 15 Dec 2021 14:16:26 -0500 Received: from mail-oo1-f54.google.com ([209.85.161.54]:40643 "EHLO mail-oo1-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344116AbhLOTQ0 (ORCPT ); Wed, 15 Dec 2021 14:16:26 -0500 Received: by mail-oo1-f54.google.com with SMTP id w15-20020a4a354f000000b002d85ef0533dso1535497oog.7; Wed, 15 Dec 2021 11:16:25 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=xgMdRGgCuIolfRdeKGEr50tqMCz4JPztfeQpCRP8ws0=; b=ZOAE0v1Ze8ej4ulWmOxBEii0MvYDazfE3U5UVulg4R776izikEqLRIbe9ga4Tk0Q+3 wCw/zLJgBORjCNS7FxKXu/729SRfPCMDKHpLVgOnHNOtD0nA7gUcJiANidLFZhHPdF8d Lfop5TuugrvuZjqHpeqAnOvA6YCiHfmjqJXnroV8oMUmBOzCVdLjBdJh/sQ5BJ7WVK6w E4wEXA4h0Ij52TNMOfFWWnRInQ/rbgSc4dIUmQNojIt/aGwW4S0osW213evb9M7gbhCy UF1DwDsDFvF3yF7NkhzuevTb4D9ZbVrUUS7K2hNzgVA337MLnor7siDoupFGKyMlAtRF pqGA== X-Gm-Message-State: AOAM530wmy6Rke+9+2HqPZ8vJ/KVg4wA++QBuYK3SmSKgz/Ey/7kMnRc PCcSfArJR+n219i7mCoJWA== X-Google-Smtp-Source: ABdhPJxsusBoa6hPOOtDxjKOQmlBNdaIhp1woTGfzH5zoLjDqu1oEoUdLzD4RkrrplFyG70u7FcjNQ== X-Received: by 2002:a4a:c987:: with SMTP id u7mr8518064ooq.65.1639595785406; Wed, 15 Dec 2021 11:16:25 -0800 (PST) Received: from robh.at.kernel.org (66-90-148-213.dyn.grandenetworks.net. [66.90.148.213]) by smtp.gmail.com with ESMTPSA id x17sm588157oot.30.2021.12.15.11.16.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Dec 2021 11:16:24 -0800 (PST) Received: (nullmailer pid 1673469 invoked by uid 1000); Wed, 15 Dec 2021 19:16:23 -0000 Date: Wed, 15 Dec 2021 13:16:23 -0600 From: Rob Herring To: Thierry Reding Cc: Joerg Roedel , Rob Herring , Robin Murphy , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, Jon Hunter , linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, Will Deacon Subject: Re: [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia,memory-controller property Message-ID: References: <20211209163600.609613-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211209163600.609613-1-thierry.reding@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org On Thu, 09 Dec 2021 17:35:57 +0100, Thierry Reding wrote: > From: Thierry Reding > > On NVIDIA SoC's the ARM SMMU needs to interact with the memory > controller in order to map memory clients to the corresponding stream > IDs. Document how the nvidia,memory-controller property can be used to > achieve this. > > Note that this is a backwards-incompatible change that is, however, > necessary to ensure correctness. Without the new property, most of the > devices would still work but it is not guaranteed that all will. > > Signed-off-by: Thierry Reding > --- > Changes in v2: > - clarify why the new nvidia,memory-controller property is required > > .../devicetree/bindings/iommu/arm,smmu.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > Reviewed-by: Rob Herring 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 56444C433FE for ; Wed, 15 Dec 2021 19:17:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tCZkeO5C6c//C/DwTH7fpRfOpxiONW43W2NSx1B7Zgo=; b=LT6Q68F1NMS5jH mWjBRsS1KFEIhsVVbTZhl6b6cBWttpiW60JJ90TvWOWhcFHlpxtypgrMKV2kYs5DKrNMbrExmKP0Q Jzlpg8t/2zNF3tFMXV1Il1Niyaibmu7fRiJwTYfpiar0ArBEiVGy1ocZI9z8S38/HFXn3nRz70lv2 y35vLxJJrbOzYfh/SSrV3mjC3MH5ebOlJ7Dbmq3rNtk7A9jQR7hBj3U+Qp7DxgPishUBpJdHuiVyF MikCp7P9mjUSwfQ+xgeSIx8zRVH+82Ngk4gBWfiwKh40OEwNMahi1/gcfNE8Lz7DVp+gZTa0OWWv4 e3iXloe/kG3OejN/udGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxZlO-002Me3-Gc; Wed, 15 Dec 2021 19:16:30 +0000 Received: from mail-oo1-f51.google.com ([209.85.161.51]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxZlL-002MdC-A2 for linux-arm-kernel@lists.infradead.org; Wed, 15 Dec 2021 19:16:28 +0000 Received: by mail-oo1-f51.google.com with SMTP id p2-20020a4adfc2000000b002c2676904fdso6196515ood.13 for ; Wed, 15 Dec 2021 11:16:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=xgMdRGgCuIolfRdeKGEr50tqMCz4JPztfeQpCRP8ws0=; b=WyIm84eqswvJQv//A5ruZTMHuieVPh45dBF45gTyTEdqwQo0We5tugY3xiFgwN9agL cP7XAfAeEpJD/eS1/ThG7I0X/fHoRFg23Q9NGY/mfRwvap1KiT+0R2N4HifXId4ToJ2z 289oDC7JOx7QTxKHBd64QSdZ1poy+BGcrsCMrWMJ0gwjAmrB2lSx5pOFFZMb0gfTwvkd gmFNfiPDq8K7BThyGMPN0SRSg04xfq97OhBJ5owXmF/X6Og/A5Bz5boCcyed0g/gReLz AQGKX6aj+UWD4LoGn+XUmA1vphXFg6DvHu8H6k6fOLp+CR0fMbK0PAIkCYkTCYT9wUVx /vgA== X-Gm-Message-State: AOAM531aI9atN5jGj8LudM1yjW6mtd8YQvf9Hrb4IQtovB2lxphAh6L1 D/pstMDh+wNQ49quvSdHOg== X-Google-Smtp-Source: ABdhPJxsusBoa6hPOOtDxjKOQmlBNdaIhp1woTGfzH5zoLjDqu1oEoUdLzD4RkrrplFyG70u7FcjNQ== X-Received: by 2002:a4a:c987:: with SMTP id u7mr8518064ooq.65.1639595785406; Wed, 15 Dec 2021 11:16:25 -0800 (PST) Received: from robh.at.kernel.org (66-90-148-213.dyn.grandenetworks.net. [66.90.148.213]) by smtp.gmail.com with ESMTPSA id x17sm588157oot.30.2021.12.15.11.16.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Dec 2021 11:16:24 -0800 (PST) Received: (nullmailer pid 1673469 invoked by uid 1000); Wed, 15 Dec 2021 19:16:23 -0000 Date: Wed, 15 Dec 2021 13:16:23 -0600 From: Rob Herring To: Thierry Reding Cc: Joerg Roedel , Rob Herring , Robin Murphy , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, Jon Hunter , linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, Will Deacon Subject: Re: [PATCH v2 1/4] dt-bindings: arm-smmu: Document nvidia,memory-controller property Message-ID: References: <20211209163600.609613-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211209163600.609613-1-thierry.reding@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211215_111627_376634_D36D69A3 X-CRM114-Status: GOOD ( 15.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 09 Dec 2021 17:35:57 +0100, Thierry Reding wrote: > From: Thierry Reding > > On NVIDIA SoC's the ARM SMMU needs to interact with the memory > controller in order to map memory clients to the corresponding stream > IDs. Document how the nvidia,memory-controller property can be used to > achieve this. > > Note that this is a backwards-incompatible change that is, however, > necessary to ensure correctness. Without the new property, most of the > devices would still work but it is not guaranteed that all will. > > Signed-off-by: Thierry Reding > --- > Changes in v2: > - clarify why the new nvidia,memory-controller property is required > > .../devicetree/bindings/iommu/arm,smmu.yaml | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > Reviewed-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel