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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D20D0C433B4 for ; Mon, 17 May 2021 09:27:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B14EE611BF for ; Mon, 17 May 2021 09:27:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235941AbhEQJ2d (ORCPT ); Mon, 17 May 2021 05:28:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235544AbhEQJ22 (ORCPT ); Mon, 17 May 2021 05:28:28 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 144E3C061573; Mon, 17 May 2021 02:27:12 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id CE1372E7; Mon, 17 May 2021 11:27:08 +0200 (CEST) Date: Mon, 17 May 2021 11:27:05 +0200 From: Joerg Roedel To: Kevin Tang Cc: Maxime Ripard , Maarten Lankhorst , Sean Paul , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Orson Zhai , Chunyan Zhang , "Linux-Kernel@Vger. Kernel. Org" , ML dri-devel , devicetree@vger.kernel.org, Robin Murphy Subject: Re: [PATCH v5 4/6] drm/sprd: add Unisoc's drm display controller driver Message-ID: References: <20210425123607.26537-1-kevin3.tang@gmail.com> <20210425123607.26537-5-kevin3.tang@gmail.com> <20210430092249.n75to2das5m6p4zb@gilmour> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 30, 2021 at 08:20:10PM +0800, Kevin Tang wrote: > Cc Robin & Joerg This is just some GPU internal MMU being used here, it seems. It doesn't use the IOMMU core code, so no Ack needed from the IOMMU side. Regards, Joerg 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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 911BCC43460 for ; Mon, 17 May 2021 09:35:11 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 32AF9611CA for ; Mon, 17 May 2021 09:35:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32AF9611CA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 419CB6E920; Mon, 17 May 2021 09:35:08 +0000 (UTC) X-Greylist: delayed 472 seconds by postgrey-1.36 at gabe; Mon, 17 May 2021 09:35:05 UTC Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by gabe.freedesktop.org (Postfix) with ESMTPS id C79A66E920 for ; Mon, 17 May 2021 09:35:04 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id CE1372E7; Mon, 17 May 2021 11:27:08 +0200 (CEST) Date: Mon, 17 May 2021 11:27:05 +0200 From: Joerg Roedel To: Kevin Tang Subject: Re: [PATCH v5 4/6] drm/sprd: add Unisoc's drm display controller driver Message-ID: References: <20210425123607.26537-1-kevin3.tang@gmail.com> <20210425123607.26537-5-kevin3.tang@gmail.com> <20210430092249.n75to2das5m6p4zb@gilmour> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, David Airlie , Chunyan Zhang , "Linux-Kernel@Vger. Kernel. Org" , ML dri-devel , Rob Herring , Maxime Ripard , Orson Zhai , Sean Paul , Robin Murphy Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Apr 30, 2021 at 08:20:10PM +0800, Kevin Tang wrote: > Cc Robin & Joerg This is just some GPU internal MMU being used here, it seems. It doesn't use the IOMMU core code, so no Ack needed from the IOMMU side. Regards, Joerg