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=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 D0647C56202 for ; Wed, 25 Nov 2020 12:24:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 604AC206E5 for ; Wed, 25 Nov 2020 12:24:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="CuAz/g7l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729145AbgKYMYH (ORCPT ); Wed, 25 Nov 2020 07:24:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:45536 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729141AbgKYMYG (ORCPT ); Wed, 25 Nov 2020 07:24:06 -0500 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 93874206E5; Wed, 25 Nov 2020 12:24:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606307046; bh=XDwgKOEhVubEPri5ivC7iaWE3ykzukuoYApUlOqRZ4U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CuAz/g7ltrT31FAAt7dJ2TXyYV+rEveX9kyh1coxGqA8i/c8J+x1ALv56/V6Zcx0t dQlV1pn+To+X/LLdkc71FgqZP2V3cHEFrA99DjO6fWS4geFz83DXz09bT/D6cB7Thf /Op6Ps+IjwN8OVDxicixULN+0CcJa6Zm9gexaiU4= Date: Wed, 25 Nov 2020 12:23:59 +0000 From: Will Deacon To: Yong Wu Cc: Joerg Roedel , Matthias Brugger , Rob Herring , Robin Murphy , Krzysztof Kozlowski , Evan Green , Tomasz Figa , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, youlin.pei@mediatek.com, Nicolas Boichat , anan.sun@mediatek.com, chao.hao@mediatek.com, Greg Kroah-Hartman , kernel-team@android.com Subject: Re: [PATCH v4 00/24] MT8192 IOMMU support Message-ID: <20201125122358.GA15697@willie-the-truck> References: <20201111123838.15682-1-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201111123838.15682-1-yong.wu@mediatek.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Wed, Nov 11, 2020 at 08:38:14PM +0800, Yong Wu wrote: > This patch mainly adds support for mt8192 Multimedia IOMMU and SMI. > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > table format. The M4U-SMI HW diagram is as below: > > EMI > | > M4U > | > ------------ > SMI Common > ------------ > | > +-------+------+------+----------------------+-------+ > | | | | ...... | | > | | | | | | > larb0 larb1 larb2 larb4 ...... larb19 larb20 > disp0 disp1 mdp vdec IPE IPE > > All the connections are HW fixed, SW can NOT adjust it. > > Comparing with the preview SoC, this patchset mainly adds two new functions: > a) add iova 34 bits support. > b) add multi domains support since several HW has the special iova > region requirement. > > change note: > v4: a) rebase on v5.10-rc1 > b) Move the smi part to a independent patchset. > c) Improve v7s code from Robin and Will. > d) Add a mediatek iommu entry patch in MAINTAINERS. Please can you post a v5 of this, adding the Acks from v4 and addressing the build failures reported by the kbuild robot on patch 20? Thanks, Will