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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 A7DDAC433E0 for ; Sun, 28 Feb 2021 16:58:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6428964EC4 for ; Sun, 28 Feb 2021 16:58:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230493AbhB1Q6O (ORCPT ); Sun, 28 Feb 2021 11:58:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:55734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230458AbhB1Q6O (ORCPT ); Sun, 28 Feb 2021 11:58:14 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id CC95364E4A; Sun, 28 Feb 2021 16:57:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614531453; bh=elywOISqfW65pI9FKoAX66OzSCyJWWigVNSkKoFG1bQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KEjl6dczglM2Qu32+hR4X5/6TO3jX5BMZyC4Kb8Inj/D5+Gd72UCJwvf3JxionpWZ tiHspstoFN6hEsU/xpZmelxykHOEZjMB7phV6mO956puoX/WViw543AnWJ+OBz+Zeb qHkMqOYSCL8GhxtxexaQwu04ANe5KNbfnkHMlG88= Date: Sun, 28 Feb 2021 17:57:30 +0100 From: Greg KH To: Hans de Goede Cc: Diego Calleja , Chris Wilson , intel-gfx@lists.freedesktop.org, stable@vger.kernel.org Subject: Re: [Intel-gfx] -stable regression in Intel graphics, introduced in Linux 5.10.9 Message-ID: References: <3423617.kz1aARBMGD@archlinux> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun, Feb 28, 2021 at 05:28:06PM +0100, Hans de Goede wrote: > Hi, > > On 2/28/21 4:14 PM, Greg KH wrote: > > On Sun, Feb 28, 2021 at 03:29:07PM +0100, Diego Calleja wrote: > >> Hi, > >> > >> There is a regression in Linux 5.10.9 that does not happen in 5.10.8. It is still there as > >> of 5.11.1 > > > > Is this the same issue reported here: > > https://lore.kernel.org/r/f1070486-891a-8ec0-0390-b9aeb03178ce@redhat.com > > ? > > > > If so, is this a problem in 5.11 as well? > > I see in the original email: > https://lore.kernel.org/stable/3423617.kz1aARBMGD@archlinux/ > > That Diego is using the iGPU part of a Haswell CPU, so yes this is almost > certainly the same issue. > > Diego as I already mentioned to another arch user, it would be good if the > arch kernel-maintainers can pick-up these 3 commits from the drm-intel tree > as downstream patches for now: > > e627d5923cae ("drm/i915/gt: One more flush for Baytrail clear residuals") > d30bbd62b1bf ("drm/i915/gt: Flush before changing register state") > 1914911f4aa0 ("drm/i915/gt: Correct surface base address for renderclear") > > We (Fedora) have added these as downstream patches for now and we have > multiple reports that these resolve the problem. > > Chris, can you please send the 2nd and 3th commit of the above list on > their way to Linus ASAP, so that Greg can add them to the stable series? > > ATM only the 1st commit is in Linus tree (unless the others have landed > with different hashes?) I have queued the first one up now, thanks. greg k-h