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=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,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 22C5DC4360C for ; Fri, 4 Oct 2019 09:12:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D612D20867 for ; Fri, 4 Oct 2019 09:12:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="UxFVRJC5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D612D20867 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7FD276B0003; Fri, 4 Oct 2019 05:12:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7AC9B6B0005; Fri, 4 Oct 2019 05:12:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6EAC16B0007; Fri, 4 Oct 2019 05:12:36 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0048.hostedemail.com [216.40.44.48]) by kanga.kvack.org (Postfix) with ESMTP id 53CBE6B0003 for ; Fri, 4 Oct 2019 05:12:36 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 026562C9D for ; Fri, 4 Oct 2019 09:12:36 +0000 (UTC) X-FDA: 76005536712.26.brush13_33a3b01f28012 X-HE-Tag: brush13_33a3b01f28012 X-Filterd-Recvd-Size: 3891 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) by imf26.hostedemail.com (Postfix) with ESMTP for ; Fri, 4 Oct 2019 09:12:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=qtILDKeXE+NCWyeY17J+cqlMaH7cJ64zwiZoTKzK//c=; b=UxFVRJC5SVp6RefPuhEn6OkIb ZoCa7/ug258G0mGIdFg3KwWzhohmWmqewT5hV4i/PEddZI7ERhiLfwJ2vOUqMohrz2GnwYTr//+nn 9ySEqyKpm1VlmQJJikR8lJJBWk+V5rD5yoDDdOXQ1dnQVDEdbWjo6/f4yOkl35aF+cbuvQFvXriQT wOVHlRINtBS5/mwtcxdSQfS6oDjE8jE/gxqW/LR5rkcMAmhIA63kq/ct61ue6pIrvW8PSFlEfjhgz WgHQi6WayK1YcbHfrOsoIDd11aSLdOrn4ZCYqt0r/4TcOJTYNhMe+C7hbBNbrfifDGsMXHix4xc3v HSsqSLyFg==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:51566) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1iGJdL-0003GJ-Mr; Fri, 04 Oct 2019 10:12:19 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1iGJdG-0002eU-9X; Fri, 04 Oct 2019 10:12:14 +0100 Date: Fri, 4 Oct 2019 10:12:14 +0100 From: Russell King - ARM Linux admin To: Chris Healy Cc: Mike Rapoport , Adam Ford , Linux Kernel Mailing List , The etnaviv authors , Linux Memory Management List , Catalin Marinas , Andrew Morton , Fabio Estevam , Christoph Hellwig , arm-soc , Lucas Stach Subject: Re: [PATCH v2 00/21] Refine memblock API Message-ID: <20191004091214.GW25745@shell.armlinux.org.uk> References: <20190926160433.GD32311@linux.ibm.com> <20190928073331.GA5269@linux.ibm.com> <20191002073605.GA30433@linux.ibm.com> <20191003053451.GA23397@linux.ibm.com> <20191003084914.GV25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Oct 03, 2019 at 07:46:06AM -0700, Chris Healy wrote: > > > > The iMX6 does not have MMUv2 hardware, it has MMUv1. With MMUv1 > > hardware requires command buffers within the first 2GiB of physical > > RAM. > > > I thought that the i.MX6q has the MMUv1 and GC2000 GPU while the > i.MX6qp has the MMUv2 and GC3000? Meaning the i.MX6 has both MMUv1 > and MMUv2 depending on which i.MX6 part we are talking about. The report says iMX6Q with GC2000 - which is what I was referring to here. I'm not aware of what the later SoCs use, since I've never used them. Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up