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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 B234BC49ED6 for ; Wed, 11 Sep 2019 17:19:57 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 84AB12053B for ; Wed, 11 Sep 2019 17:19:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="g2MQQ+0j" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84AB12053B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=v+vUkmOW4Vw0nG2KYpDJmkan4hxPKKeLP54rprGJzqo=; b=g2MQQ+0jy/y85Vz+qq4eJ4Vxt WYMSW707cgrVoKwO3aQ3fISacHr6hjLlramK8BsbECGi1rDzKAd1d3bwp09/ROCGS3TbRq5Uo+Q+W Hr16kTO+SAD0KSr75tvuYyRRdMxeCZ/wBkDYFVk+/DrnIrvtvnKU1CFtjXgOVpzcoAr89tNVbfoQx kyHd3f9RxDdPV8rNIf5geU/XQB7qh9iQjJemkld+PS9IncefxIiutw7YAXywSuquu6s5xUKXJJU31 Ug/ga+gn2V/dhnjPvoZ6lO6uGYAwlcSqCTcFnxCxKvrcdziSp7WXlJaBqljS56eKgMPTQm2dhelma ONNm09gCA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1i86HY-00052U-AD; Wed, 11 Sep 2019 17:19:52 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1i86HU-00050C-QQ for linux-arm-kernel@lists.infradead.org; Wed, 11 Sep 2019 17:19:50 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7942628; Wed, 11 Sep 2019 10:19:47 -0700 (PDT) Received: from [192.168.1.124] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EDE743F59C; Wed, 11 Sep 2019 10:19:45 -0700 (PDT) Subject: Re: [PATCH 0/3] iommu/io-pgtable-arm: Mali LPAE improvements To: Will Deacon , Neil Armstrong References: <20190911162024.i2sda7uzy3pbrnyd@willie-the-truck> From: Robin Murphy Message-ID: <83c45e97-8398-349d-5593-03af23b39c59@arm.com> Date: Wed, 11 Sep 2019 18:19:40 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190911162024.i2sda7uzy3pbrnyd@willie-the-truck> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190911_101948_898152_3790DC1A X-CRM114-Status: GOOD ( 17.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: robh@kernel.org, tomeu.vizoso@collabora.com, joro@8bytes.org, steven.price@arm.com, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2019-09-11 5:20 pm, Will Deacon wrote: > On Wed, Sep 11, 2019 at 06:19:04PM +0200, Neil Armstrong wrote: >> On 11/09/2019 16:42, Robin Murphy wrote: >>> Here's the eagerly-awaited fix to unblock T720/T820, plus a couple of >>> other bits that I've collected so far. I'm not considering this as >>> 5.3 fixes material, but it would be nice if there's any chance still >>> to sneak it into 5.4. >>> >>> Robin. >>> >>> >>> Robin Murphy (3): >>> iommu/io-pgtable-arm: Correct Mali attributes >>> iommu/io-pgtable-arm: Support more Mali configurations >>> iommu/io-pgtable-arm: Allow coherent walks for Mali >>> >>> drivers/iommu/io-pgtable-arm.c | 61 ++++++++++++++++++++++++++-------- >>> 1 file changed, 48 insertions(+), 13 deletions(-) >>> >> >> Tested-by: Neil Armstrong >> >> On Khadas VIM2 (Amlogic S912) with T820 Mali GPU >> >> I hope this will be part of v5.4 so we can run panfrost on vanilla v5.4 ! > > Not a chance -- the merge window opens on Monday and -next isn't being > rolled out at the moment due to LPC. Let's shoot for 5.5 and get this > queued up in a few weeks. Fair enough, that was certainly more extreme optimism than realistic expectation on my part :) There is some argument for taking #1 and #2 as 5.4 fixes, though - the upcoming Mesa 19.2 release will enable T820 support on the userspace side - so let's pick that discussion up again in a few weeks. Robin. (And at worst, I guess we could carry the "cfg.ias = 48" workaround in the DRM driver for the 5.4 cycle if need be) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel