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,DKIM_SIGNED, DKIM_VALID,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 737DDC4727C for ; Tue, 22 Sep 2020 06:24:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B70023A9C for ; Tue, 22 Sep 2020 06:24:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="OscCIGRm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728883AbgIVGYL (ORCPT ); Tue, 22 Sep 2020 02:24:11 -0400 Received: from z5.mailgun.us ([104.130.96.5]:45038 "EHLO z5.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728136AbgIVGYL (ORCPT ); Tue, 22 Sep 2020 02:24:11 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1600755850; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=0qOdr4a6KdsBlo9u+BzInNEOsqWqmni1tOXn1Md3388=; b=OscCIGRmb9QYh+UsT9szArSI4EPd/e+FtGafXkyqvaOLIFbPT26GIF2QzQhp/kG6r5UppQvD +ugYr1QwNO/Jl7SBaJdg5O5iHtYpgj19497l49cutdpyK52TvHzZX+bhNRToPpaB+ulic6Gk baQ8bYSXfvE98t1DVuYlnwm1MHo= X-Mailgun-Sending-Ip: 104.130.96.5 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-east-1.postgun.com with SMTP id 5f69987d0566e2dcd7ec0c16 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 22 Sep 2020 06:23:57 GMT Sender: saiprakash.ranjan=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 51D1DC433C8; Tue, 22 Sep 2020 06:23:56 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan) by smtp.codeaurora.org (Postfix) with ESMTPSA id AF46FC433CA; Tue, 22 Sep 2020 06:23:55 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 22 Sep 2020 11:53:55 +0530 From: Sai Prakash Ranjan To: Will Deacon Cc: Robin Murphy , Joerg Roedel , Jordan Crouse , Rob Clark , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Bjorn Andersson , Akhil P Oommen , freedreno@lists.freedesktop.org, "Kristian H . Kristensen" , dri-devel@lists.freedesktop.org Subject: Re: [PATCHv4 1/6] iommu/io-pgtable-arm: Add support to use system cache In-Reply-To: <20200921180318.GG3141@willie-the-truck> References: <3b1beb6cf6a34a44b0ecff9ec5a2105b5ff91bd4.1599832685.git.saiprakash.ranjan@codeaurora.org> <20200921180318.GG3141@willie-the-truck> Message-ID: X-Sender: saiprakash.ranjan@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Will, On 2020-09-21 23:33, Will Deacon wrote: > On Fri, Sep 11, 2020 at 07:57:18PM +0530, Sai Prakash Ranjan wrote: >> Add a quirk IO_PGTABLE_QUIRK_SYS_CACHE to override the >> attributes set in TCR for the page table walker when >> using system cache. > > I wonder if the panfrost folks can reuse this for the issue discussed > over at: > > https://lore.kernel.org/r/cover.1600213517.git.robin.murphy@arm.com > > However, Sai, your email setup went wrong when you posted this so you > probably need to repost now that you have that fixed. > I have sent a v5 [1] now since I had to drop cleanup of blank lines as Robin said it was intentional and also had to rebase over new gpu changes since it moves pretty fast. [1] https://lore.kernel.org/patchwork/cover/1310000/ Thanks, Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation