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, 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 0C08CC5519F for ; Wed, 25 Nov 2020 08:12:01 +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 8AA8B20857 for ; Wed, 25 Nov 2020 08:12:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8AA8B20857 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ACULAB.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 546096E842; Wed, 25 Nov 2020 08:11:53 +0000 (UTC) Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id D77AB6E4AD for ; Tue, 24 Nov 2020 16:27:24 +0000 (UTC) Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-53-PHWAJYOoN_y3X4F8JOFFrg-1; Tue, 24 Nov 2020 16:27:20 +0000 X-MC-Unique: PHWAJYOoN_y3X4F8JOFFrg-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 24 Nov 2020 16:27:19 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 24 Nov 2020 16:27:19 +0000 From: David Laight To: David Laight , 'Thomas Zimmermann' , Linus Torvalds Subject: RE: Linux 5.10-rc4; graphics alignment Thread-Topic: Linux 5.10-rc4; graphics alignment Thread-Index: Ada/IUdqcU2WLz13TDyBa91ssXd9zQABIUYAAAEibgAAAW3SAAAAkehgAAGiZoAAAIjkIAAB97YAAANWzKAAy4YMoA== Date: Tue, 24 Nov 2020 16:27:19 +0000 Message-ID: References: <2c474745ae884de3b4ecb8abe2152bfd@AcuMS.aculab.com> <7d42ee6b-d72b-9f4d-21fe-4f5981eb425e@suse.de> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US X-Mailman-Approved-At: Wed, 25 Nov 2020 08:11:52 +0000 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: Daniel Vetter , Linux Kernel Mailing List , dri-devel , "Huang, Ray" , Dave Airlie , =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: David Laight > Sent: 20 November 2020 15:39 > > From: Thomas Zimmermann > > Sent: 20 November 2020 13:42 > ... > > I did a diff from v5.10-rc4 to drm-tip to look for suspicious changes. > > Some candidates are > > > > 8e3784dfef8a ("drm/ast: Reload gamma LUT after changing primary > > plane's color format") > > Ok, that one fixes the screen colours (etc). > So 8e3784dfef8a was good and then HEAD^ was bad. > > I might try to bisect the breakage. > > The stack splat is entirely different. > I'll try to bisect that on Linus's tree. The good news is I'm not getting the stack splat on rc5. I'm not sure I can be bothered to find out when :-) Applying 8e3784dfef8a to rc5 by hand also fixes the display colours. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel