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Thu, 9 Sep 2021 08:12:38 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CCF44C066; Thu, 9 Sep 2021 08:12:38 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0A4154C04E; Thu, 9 Sep 2021 08:12:38 +0000 (GMT) Received: from osiris (unknown [9.145.66.211]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 9 Sep 2021 08:12:37 +0000 (GMT) Date: Thu, 9 Sep 2021 10:12:36 +0200 From: Heiko Carstens To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Cc: Stanislav Lisovskiy , Dave Airlie , Rodrigo Vivi , Jani Nikula , Joonas Lahtinen , Daniel Vetter , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: Re: [BUG - BISECTED] display not detected anymore Message-ID: References: Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 6CRkUUYFYLIw6xE6cDQ1lTYvH3yVaE3W X-Proofpoint-GUID: CRST49t0LiBeGCQaDMBwTrDxYhSgyFX1 Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-09-09_02:2021-09-07, 2021-09-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 mlxscore=0 mlxlogscore=999 phishscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109030001 definitions=main-2109090048 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi Ville, > > > > ef79d62b5ce5 ("drm/i915: Encapsulate dbuf state handling harder") > > > > > > > > With that commit the display is not detected anymore, one commit > > > > before that it still works. So this one seems to be broken. > > > > > > > > Ville, Stanislav, any idea how to fix this? > > > > > > > > commit ef79d62b5ce53851901d6c1d21b74cbb9e27219b > > > > Author: Ville Syrjälä > > > > Date: Fri Jan 22 22:56:32 2021 +0200 > > > > > > > > drm/i915: Encapsulate dbuf state handling harder > > > > > > That has nothing to do with display detection, so very mysterious. > > > > > > Please file a bug at https://gitlab.freedesktop.org/drm/intel/issues/new > > > boot with drm.debug=0xe with both good and bad kernels and attach the > > > dmesg from both to the bug. > > > > Everything (hopefully) provided here: > > https://gitlab.freedesktop.org/drm/intel/-/issues/4013 > > > > Please let me know if you need more, or if I can help otherwise to > > resolve this. > > Did you have any time to look into this already? How do we proceed with this? Saying that this is either "very mysterious" or "very strange" won't fix the regression. :) Thanks, Heiko 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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 3364CC433F5 for ; Thu, 9 Sep 2021 12:17:21 +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 B7FAC6113E for ; Thu, 9 Sep 2021 12:17:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B7FAC6113E Authentication-Results: mail.kernel.org; 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Thu, 09 Sep 2021 04:12:43 -0400 Received: from m0098420.ppops.net (m0098420.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 18985a2w071993; Thu, 9 Sep 2021 04:12:42 -0400 Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0b-001b2d01.pphosted.com with ESMTP id 3ayebwradw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 09 Sep 2021 04:12:42 -0400 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 18987KUD031154; Thu, 9 Sep 2021 08:12:41 GMT Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by ppma06ams.nl.ibm.com with ESMTP id 3axcnnsw9u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 09 Sep 2021 08:12:40 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1898CcmA45220220 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 9 Sep 2021 08:12:38 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CCF44C066; Thu, 9 Sep 2021 08:12:38 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0A4154C04E; Thu, 9 Sep 2021 08:12:38 +0000 (GMT) Received: from osiris (unknown [9.145.66.211]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 9 Sep 2021 08:12:37 +0000 (GMT) Date: Thu, 9 Sep 2021 10:12:36 +0200 From: Heiko Carstens To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Cc: Stanislav Lisovskiy , Dave Airlie , Rodrigo Vivi , Jani Nikula , Joonas Lahtinen , Daniel Vetter , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Message-ID: References: Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 6CRkUUYFYLIw6xE6cDQ1lTYvH3yVaE3W X-Proofpoint-GUID: CRST49t0LiBeGCQaDMBwTrDxYhSgyFX1 Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.790 definitions=2021-09-09_02:2021-09-07, 2021-09-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 mlxscore=0 mlxlogscore=999 phishscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109030001 definitions=main-2109090048 X-Mailman-Approved-At: Thu, 09 Sep 2021 12:17:18 +0000 Subject: Re: [Intel-gfx] [BUG - BISECTED] display not detected anymore X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Ville, > > > > ef79d62b5ce5 ("drm/i915: Encapsulate dbuf state handling harder") > > > > > > > > With that commit the display is not detected anymore, one commit > > > > before that it still works. So this one seems to be broken. > > > > > > > > Ville, Stanislav, any idea how to fix this? > > > > > > > > commit ef79d62b5ce53851901d6c1d21b74cbb9e27219b > > > > Author: Ville Syrjälä > > > > Date: Fri Jan 22 22:56:32 2021 +0200 > > > > > > > > drm/i915: Encapsulate dbuf state handling harder > > > > > > That has nothing to do with display detection, so very mysterious. > > > > > > Please file a bug at https://gitlab.freedesktop.org/drm/intel/issues/new > > > boot with drm.debug=0xe with both good and bad kernels and attach the > > > dmesg from both to the bug. > > > > Everything (hopefully) provided here: > > https://gitlab.freedesktop.org/drm/intel/-/issues/4013 > > > > Please let me know if you need more, or if I can help otherwise to > > resolve this. > > Did you have any time to look into this already? How do we proceed with this? Saying that this is either "very mysterious" or "very strange" won't fix the regression. :) Thanks, Heiko