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 306B5C433B4 for ; Tue, 11 May 2021 12:55:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F22E261921 for ; Tue, 11 May 2021 12:55:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231639AbhEKM4m (ORCPT ); Tue, 11 May 2021 08:56:42 -0400 Received: from mga17.intel.com ([192.55.52.151]:5021 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230475AbhEKM4k (ORCPT ); Tue, 11 May 2021 08:56:40 -0400 IronPort-SDR: pPrSLetCH3dm9n3Vt7sGrzJPg1pvzd9k1yHaiSXCsbdDxAJ0d7VgYfBV75gQu8/4Yrj+9mez/z HjKJo3Jt6TkA== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="179696105" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="179696105" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 05:55:34 -0700 IronPort-SDR: /kXvnA8115f3gcyIUF4U9Gy6MX+TOst1Ua32huW8m2NeXzPuzzMhuMSpeh6tn/JhTDzQqjh68Z ryIGm9EJFMEA== X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="436646880" Received: from ialvarez-mobl1.ger.corp.intel.com (HELO localhost) ([10.249.32.67]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 05:55:31 -0700 From: Jani Nikula To: Paul Zimmerman , Timo Aaltonen Cc: Joonas Lahtinen , Rodrigo Vivi , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure" In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20210509044330.4655-1-pauldzim@gmail.com> <02957632-b050-f9eb-fcd8-75db9c92b8e0@ubuntu.com> Date: Tue, 11 May 2021 15:55:28 +0300 Message-ID: <87a6p1v39b.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 10 May 2021, Paul Zimmerman wrote: > On Mon, May 10, 2021 at 7:00 AM Timo Aaltonen wrote: >> >> On 9.5.2021 7.43, Paul Zimmerman wrote: >> > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099. >> > >> > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot. >> > The system seems to run fine other than having no display, I am able >> > to ssh into the machine. I don't see anything interesting in the dmesg >> > log. I bisected the problem down to this commit, and reverting it fixes >> > the problem. >> >> Have you tried with drm-tip? It has acca7762eb71bc0 which hopefully >> helps here. > > I picked that one commit from the drm-tip tree (wasn't sure how to merge > the entire tree into the kernel) and can confirm that it does fix the problem. > Thank you! I hope the fix will be sent to Linus pretty soon, and it will need > backporting to the 5.12 kernel as well. I've picked up 2bbd6dba84d4 ("drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure") to drm-intel-fixes, and it should find itself in v5.13-rc2 and subsequently v5.12 stable in the coming weeks. BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center 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 AC44BC433ED for ; Tue, 11 May 2021 12:55:38 +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 2EC2061925 for ; Tue, 11 May 2021 12:55:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2EC2061925 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 66F236E138; Tue, 11 May 2021 12:55:37 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 403436E138 for ; Tue, 11 May 2021 12:55:36 +0000 (UTC) IronPort-SDR: LV4WyKyRp+SG6Ek7q6VGBUvXZQruT+v48kH/VPZ+z8sy30k27ELuEI73m3e2DDB+NWPF3HkCRI IrjJ+duJONHg== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="263362691" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="263362691" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 05:55:35 -0700 IronPort-SDR: /kXvnA8115f3gcyIUF4U9Gy6MX+TOst1Ua32huW8m2NeXzPuzzMhuMSpeh6tn/JhTDzQqjh68Z ryIGm9EJFMEA== X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="436646880" Received: from ialvarez-mobl1.ger.corp.intel.com (HELO localhost) ([10.249.32.67]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 05:55:31 -0700 From: Jani Nikula To: Paul Zimmerman , Timo Aaltonen In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20210509044330.4655-1-pauldzim@gmail.com> <02957632-b050-f9eb-fcd8-75db9c92b8e0@ubuntu.com> Date: Tue, 11 May 2021 15:55:28 +0300 Message-ID: <87a6p1v39b.fsf@intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure" 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: , Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Mon, 10 May 2021, Paul Zimmerman wrote: > On Mon, May 10, 2021 at 7:00 AM Timo Aaltonen wrote: >> >> On 9.5.2021 7.43, Paul Zimmerman wrote: >> > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099. >> > >> > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot. >> > The system seems to run fine other than having no display, I am able >> > to ssh into the machine. I don't see anything interesting in the dmesg >> > log. I bisected the problem down to this commit, and reverting it fixes >> > the problem. >> >> Have you tried with drm-tip? It has acca7762eb71bc0 which hopefully >> helps here. > > I picked that one commit from the drm-tip tree (wasn't sure how to merge > the entire tree into the kernel) and can confirm that it does fix the problem. > Thank you! I hope the fix will be sent to Linus pretty soon, and it will need > backporting to the 5.12 kernel as well. I've picked up 2bbd6dba84d4 ("drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure") to drm-intel-fixes, and it should find itself in v5.13-rc2 and subsequently v5.12 stable in the coming weeks. BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx