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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 975D4C433E0 for ; Tue, 30 Mar 2021 15:01:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C31661953 for ; Tue, 30 Mar 2021 15:01:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231922AbhC3PA3 (ORCPT ); Tue, 30 Mar 2021 11:00:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231652AbhC3PAP (ORCPT ); Tue, 30 Mar 2021 11:00:15 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57C98C061574; Tue, 30 Mar 2021 08:00:14 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id k8so16555441wrc.3; Tue, 30 Mar 2021 08:00:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=eyleulbhx+njoqqH6BwP+l7pCWQF8y0aALwi12vfKYM=; b=fCSzzlhwIZRxnh8WlrLMYbm5+Njdfj6dEm0bHf8r+xDzYIMacTSD3i3NQycSovzuSj EVXrsaeA+8Q6clda2Fzt4qondyXdQQukQijU645yfl1pKwDdMg7e0hWT+6yAAVSUFuAI +Wy1BnSqMiT25Xv8Eh/rM+OWoPrHHNKMd1huKxUhZX3A1kI+9r4cSt2vualljOOYrzRq mNNZkNSVQQuKhfEkIKegbY/PcTiIj000vuo7Lx+eJ97k/smtTH32v+AczD0ypz4/NGG5 TXj0QNsAfH8tw3UI0GxZAqJ4Z4+5VzZoZJMbwM+UPAScRykVfUXfpx69lKfy1ADRVNE5 lX5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=eyleulbhx+njoqqH6BwP+l7pCWQF8y0aALwi12vfKYM=; b=HhN9E8BWcwMjgDojQ7xjkbppha6Ys6GadZ7evYve8m69CSiMGNFvEgu8dqESS/xz7X 5oeTJHOg2/2+Ry6aHEatHpvuTnLYHvQGSHjCUW8mNYXOWYw1JdWff54pjzI3hEhv+QYZ wr6RF0jEWeN3Lm7zrBCreUtHoveamGPdo1JUuwpXwJlfAWOgD4AObl5vQfpXx+f8G0zj 2aOBCMD/xN1xO8FECueTSmooTOrrEjJn5eJy+CrzoZuy0qXhA9VefIkdG4ZBVHvdTwog Q7UvVcjOg3zMzTeuSxvoj2rW8WGuZLtboSujjkQXARFdFIax8llUxB49NhmvWb25bAae I1ZQ== X-Gm-Message-State: AOAM5303qZiXvtLVoPkHxB/1e4kwsB63uzeoEUISLP2SuYCDW0zomfsB WiEI//bqk1qPCPCfJyogoeF+dLsio7EdEMpX5YhkWsqxEE8= X-Google-Smtp-Source: ABdhPJwtCDJtqvJEY4d1K+b5/Nk9wM8y2m8HXX6bF4f+S6YTvz+OX7rJ6BNzGHpGdn+v7GZmGIK8aRudda7rzHLsgwk= X-Received: by 2002:adf:d0c3:: with SMTP id z3mr35449048wrh.28.1617116413088; Tue, 30 Mar 2021 08:00:13 -0700 (PDT) MIME-Version: 1.0 References: <20210326231303.3071950-1-eric@anholt.net> <20210329144729.GB4203@willie-the-truck> <20210330093432.GB5281@willie-the-truck> In-Reply-To: <20210330093432.GB5281@willie-the-truck> From: Rob Clark Date: Tue, 30 Mar 2021 08:03:36 -0700 Message-ID: Subject: Re: [PATCH 1/2] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c. To: Will Deacon Cc: Eric Anholt , dri-devel , linux-arm-msm , freedreno , Sean Paul , Jordan Crouse , Robin Murphy , Rob Herring , Joerg Roedel , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Tue, Mar 30, 2021 at 2:34 AM Will Deacon wrote: > > On Mon, Mar 29, 2021 at 09:02:50PM -0700, Rob Clark wrote: > > On Mon, Mar 29, 2021 at 7:47 AM Will Deacon wrote: > > > > > > On Fri, Mar 26, 2021 at 04:13:02PM -0700, Eric Anholt wrote: > > > > db820c wants to use the qcom smmu path to get HUPCF set (which keeps > > > > the GPU from wedging and then sometimes wedging the kernel after a > > > > page fault), but it doesn't have separate pagetables support yet in > > > > drm/msm so we can't go all the way to the TTBR1 path. > > > > > > What do you mean by "doesn't have separate pagetables support yet"? The > > > compatible string doesn't feel like the right way to determine this. > > > > the compatible string identifies what it is, not what the sw > > limitations are, so in that regard it seems right to me.. > > Well it depends on what "doesn't have separate pagetables support yet" > means. I can't tell if it's a hardware issue, a firmware issue or a driver > issue. Just a driver issue (and the fact that currently we don't have physical access to a device... debugging a5xx per-process-pgtables by pushing untested things to the CI farm is kind of a difficult way to work) BR, -R 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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 3B8DCC433C1 for ; Tue, 30 Mar 2021 15:01:48 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 C88D961921 for ; Tue, 30 Mar 2021 15:01:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C88D961921 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6taBZzQCdT0f5ljVaVUq9/O45xQysvvLi891kmo0vTs=; b=DggHkSeZ8YqNhpH4tdGaDbM3g jQ5qIhlROnDtIHMAjTN65J48OXO9URr0DxweD15I9EtqioQ7+jzqrWAaHK1Dx/E+gKBu7PdL/ZzLf LarOgH/5ihEyGIZdolF7ztWRSnEUNqiGoXKM6p6huB5n2IZLXout7lhcwOrXynUbmjV4IOIxS+qvd T4k/Xf95/d5a41T1d/IH/54Q+QFgJ6zV6hsH/nOwLicrJNMUlRGS9xZSnDlmW1NRrdzWyyKo0XS8z +PoTSCPh0Bdab/eHPMkXhF7NtwmDIlBRkSCJXRNRMnkCfn5FGphuzLJBr6eTmmrUkJ5WFbdxk95cW HFyoHNP5A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lRFqt-00459c-EJ; Tue, 30 Mar 2021 15:00:19 +0000 Received: from mail-wr1-x42e.google.com ([2a00:1450:4864:20::42e]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lRFqn-00457S-Nm for linux-arm-kernel@lists.infradead.org; Tue, 30 Mar 2021 15:00:16 +0000 Received: by mail-wr1-x42e.google.com with SMTP id e18so16552194wrt.6 for ; Tue, 30 Mar 2021 08:00:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=eyleulbhx+njoqqH6BwP+l7pCWQF8y0aALwi12vfKYM=; b=fCSzzlhwIZRxnh8WlrLMYbm5+Njdfj6dEm0bHf8r+xDzYIMacTSD3i3NQycSovzuSj EVXrsaeA+8Q6clda2Fzt4qondyXdQQukQijU645yfl1pKwDdMg7e0hWT+6yAAVSUFuAI +Wy1BnSqMiT25Xv8Eh/rM+OWoPrHHNKMd1huKxUhZX3A1kI+9r4cSt2vualljOOYrzRq mNNZkNSVQQuKhfEkIKegbY/PcTiIj000vuo7Lx+eJ97k/smtTH32v+AczD0ypz4/NGG5 TXj0QNsAfH8tw3UI0GxZAqJ4Z4+5VzZoZJMbwM+UPAScRykVfUXfpx69lKfy1ADRVNE5 lX5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=eyleulbhx+njoqqH6BwP+l7pCWQF8y0aALwi12vfKYM=; b=kqVgPM5Gly2oSQctI/ECLghWccDJTBtrKvytM3LFLIu6OVkveA0vFKMLEChZ29wUsR 2f++m3mhJV6vkqnbR0f+M5OIQe8tpIYUwVAatA4y5DTXhqR8WHS9tF7fUaL1QEcJUWjN BfRazKT5nv6nu9QjjK6+1s3hQZcPMUQjo/EVT7EVkkWIi7vjbRiNs27PYD0OzBUVtk0o UQo/m4YLGFoG//IuMIEFcIud+zGDuhgMkKgYCXbIQXXniet/3rYj9PYGRvnPPTcahcNq 9135RLHnqEkde/1h0a5JDGF2RxXEsJEQNjZhDyKO+i9yPJt7/mN3yRkthE9tKDnY9c3a LJNQ== X-Gm-Message-State: AOAM531MRLoSKRApRYBrCLLYkYRtlVoa+EQ1fskPUKTgHMe4LYox3gpR 7qR6zYTBgBS5jK5Y5dI9QurK2qideu3zagGVaFw= X-Google-Smtp-Source: ABdhPJwtCDJtqvJEY4d1K+b5/Nk9wM8y2m8HXX6bF4f+S6YTvz+OX7rJ6BNzGHpGdn+v7GZmGIK8aRudda7rzHLsgwk= X-Received: by 2002:adf:d0c3:: with SMTP id z3mr35449048wrh.28.1617116413088; Tue, 30 Mar 2021 08:00:13 -0700 (PDT) MIME-Version: 1.0 References: <20210326231303.3071950-1-eric@anholt.net> <20210329144729.GB4203@willie-the-truck> <20210330093432.GB5281@willie-the-truck> In-Reply-To: <20210330093432.GB5281@willie-the-truck> From: Rob Clark Date: Tue, 30 Mar 2021 08:03:36 -0700 Message-ID: Subject: Re: [PATCH 1/2] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c. To: Will Deacon Cc: Eric Anholt , dri-devel , linux-arm-msm , freedreno , Sean Paul , Jordan Crouse , Robin Murphy , Rob Herring , Joerg Roedel , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux Kernel Mailing List X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210330_160013_858686_0D3C0FCF X-CRM114-Status: GOOD ( 20.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 30, 2021 at 2:34 AM Will Deacon wrote: > > On Mon, Mar 29, 2021 at 09:02:50PM -0700, Rob Clark wrote: > > On Mon, Mar 29, 2021 at 7:47 AM Will Deacon wrote: > > > > > > On Fri, Mar 26, 2021 at 04:13:02PM -0700, Eric Anholt wrote: > > > > db820c wants to use the qcom smmu path to get HUPCF set (which keeps > > > > the GPU from wedging and then sometimes wedging the kernel after a > > > > page fault), but it doesn't have separate pagetables support yet in > > > > drm/msm so we can't go all the way to the TTBR1 path. > > > > > > What do you mean by "doesn't have separate pagetables support yet"? The > > > compatible string doesn't feel like the right way to determine this. > > > > the compatible string identifies what it is, not what the sw > > limitations are, so in that regard it seems right to me.. > > Well it depends on what "doesn't have separate pagetables support yet" > means. I can't tell if it's a hardware issue, a firmware issue or a driver > issue. Just a driver issue (and the fact that currently we don't have physical access to a device... debugging a5xx per-process-pgtables by pushing untested things to the CI farm is kind of a difficult way to work) BR, -R _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-0.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 824D4C433DB for ; Tue, 30 Mar 2021 15:00:16 +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 299E561953 for ; Tue, 30 Mar 2021 15:00:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 299E561953 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 785206E912; Tue, 30 Mar 2021 15:00:15 +0000 (UTC) Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F1006E912; Tue, 30 Mar 2021 15:00:14 +0000 (UTC) Received: by mail-wr1-x432.google.com with SMTP id o16so16609777wrn.0; Tue, 30 Mar 2021 08:00:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=eyleulbhx+njoqqH6BwP+l7pCWQF8y0aALwi12vfKYM=; b=fCSzzlhwIZRxnh8WlrLMYbm5+Njdfj6dEm0bHf8r+xDzYIMacTSD3i3NQycSovzuSj EVXrsaeA+8Q6clda2Fzt4qondyXdQQukQijU645yfl1pKwDdMg7e0hWT+6yAAVSUFuAI +Wy1BnSqMiT25Xv8Eh/rM+OWoPrHHNKMd1huKxUhZX3A1kI+9r4cSt2vualljOOYrzRq mNNZkNSVQQuKhfEkIKegbY/PcTiIj000vuo7Lx+eJ97k/smtTH32v+AczD0ypz4/NGG5 TXj0QNsAfH8tw3UI0GxZAqJ4Z4+5VzZoZJMbwM+UPAScRykVfUXfpx69lKfy1ADRVNE5 lX5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=eyleulbhx+njoqqH6BwP+l7pCWQF8y0aALwi12vfKYM=; b=KZ6lcDN/QVSH3eYVC8hT0UkpSIhAlXhiDfgjA2PY7UtqhnhkEBbd6E+5NUs5bCk1QF kmgRr3DXN0Vpw1yg6DpUStJlO017Pza8ShuWNjRTWq/wRY8PwU6GgSm8DrU0lIZlNtUQ m5Y2bdYJf0vWZdC4waVT1HNS2nghKtybT6SX0/Eexc57m7jwfxOAswT3UU5XLBZ6ZL46 CiVeGO7KSoIuGbIDyfEkiQQni4xT056Q69fhi+5O/FIrNA19dQwBDCMelg/DYr1Ko8TF DhFnxBA1gaifACUj4LJaX2zqwHfGQHkL3wYiAyRByYt4JjNZmL3fX2LIQ9OCVH626Eig 0cZA== X-Gm-Message-State: AOAM5324UQT3qXUar3iqFLoPgrpv+nrx/yqvUA+t7EjF7qZz2wy/p600 rtJcPUqZwven0sAr+V6um2DfAFzdgVTECfk7Uns= X-Google-Smtp-Source: ABdhPJwtCDJtqvJEY4d1K+b5/Nk9wM8y2m8HXX6bF4f+S6YTvz+OX7rJ6BNzGHpGdn+v7GZmGIK8aRudda7rzHLsgwk= X-Received: by 2002:adf:d0c3:: with SMTP id z3mr35449048wrh.28.1617116413088; Tue, 30 Mar 2021 08:00:13 -0700 (PDT) MIME-Version: 1.0 References: <20210326231303.3071950-1-eric@anholt.net> <20210329144729.GB4203@willie-the-truck> <20210330093432.GB5281@willie-the-truck> In-Reply-To: <20210330093432.GB5281@willie-the-truck> From: Rob Clark Date: Tue, 30 Mar 2021 08:03:36 -0700 Message-ID: Subject: Re: [PATCH 1/2] iommu/arm-smmu-qcom: Skip the TTBR1 quirk for db820c. To: Will Deacon 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: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , freedreno , Joerg Roedel , Robin Murphy , dri-devel , Linux Kernel Mailing List , Jordan Crouse , Rob Herring , linux-arm-msm , Sean Paul , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, Mar 30, 2021 at 2:34 AM Will Deacon wrote: > > On Mon, Mar 29, 2021 at 09:02:50PM -0700, Rob Clark wrote: > > On Mon, Mar 29, 2021 at 7:47 AM Will Deacon wrote: > > > > > > On Fri, Mar 26, 2021 at 04:13:02PM -0700, Eric Anholt wrote: > > > > db820c wants to use the qcom smmu path to get HUPCF set (which keeps > > > > the GPU from wedging and then sometimes wedging the kernel after a > > > > page fault), but it doesn't have separate pagetables support yet in > > > > drm/msm so we can't go all the way to the TTBR1 path. > > > > > > What do you mean by "doesn't have separate pagetables support yet"? The > > > compatible string doesn't feel like the right way to determine this. > > > > the compatible string identifies what it is, not what the sw > > limitations are, so in that regard it seems right to me.. > > Well it depends on what "doesn't have separate pagetables support yet" > means. I can't tell if it's a hardware issue, a firmware issue or a driver > issue. Just a driver issue (and the fact that currently we don't have physical access to a device... debugging a5xx per-process-pgtables by pushing untested things to the CI farm is kind of a difficult way to work) BR, -R _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel