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=-4.0 required=3.0 tests=BAYES_00, 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 B6F9EC433E3 for ; Wed, 22 Jul 2020 09:25:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D5A622C9E for ; Wed, 22 Jul 2020 09:25:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731153AbgGVJZR (ORCPT ); Wed, 22 Jul 2020 05:25:17 -0400 Received: from mga02.intel.com ([134.134.136.20]:38606 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726821AbgGVJZR (ORCPT ); Wed, 22 Jul 2020 05:25:17 -0400 IronPort-SDR: Dshz7hZBMcK5ovvd5kpPK2lqAxj1reEwpKgp5MjGVd6KdbM0Akd0tbIDAkqDGfclx1k4/VlWsQ oW+gLujTXGxw== X-IronPort-AV: E=McAfee;i="6000,8403,9689"; a="138378835" X-IronPort-AV: E=Sophos;i="5.75,381,1589266800"; d="scan'208";a="138378835" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2020 02:25:11 -0700 IronPort-SDR: EOpJ7Pi5GhJPrVgrFw+6krLmQuyu24P0i+zE7fQ4EyQQ6sxaEeWwzgKFc7MI/TqfL3+fxGXL1t KVkLOW1mG4Dw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,381,1589266800"; d="scan'208";a="392625020" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.163]) by fmsmga001.fm.intel.com with SMTP; 22 Jul 2020 02:25:08 -0700 Received: by lahna (sSMTP sendmail emulation); Wed, 22 Jul 2020 12:25:07 +0300 Date: Wed, 22 Jul 2020 12:25:07 +0300 From: Mika Westerberg To: Patrick Volkerding Cc: Lyude Paul , Karol Herbst , Bjorn Helgaas , Linux PCI , Ben Skeggs , Bjorn Helgaas , nouveau , dri-devel , LKML , Kai-Heng Feng , Sasha Levin Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" Message-ID: <20200722092507.GC5180@lahna.fi.intel.com> References: <20200716235440.GA675421@bjorn-Precision-5520> <20200721122247.GI5180@lahna.fi.intel.com> <20200721152737.GS5180@lahna.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 21, 2020 at 01:37:12PM -0500, Patrick Volkerding wrote: > On 7/21/20 10:27 AM, Mika Westerberg wrote: > > On Tue, Jul 21, 2020 at 11:01:55AM -0400, Lyude Paul wrote: > >> Sure thing. Also, feel free to let me know if you'd like access to one of the > >> systems we saw breaking with this patch - I'm fairly sure I've got one of them > >> locally at my apartment and don't mind setting up AMT/KVM/SSH > > Probably no need for remote access (thanks for the offer, though). I > > attached a test patch to the bug report: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=208597 > > > > that tries to work it around (based on the ->pm_cap == 0). I wonder if > > anyone would have time to try it out. > > > Hi Mika, > > I can confirm that this patch applied to 5.4.52 fixes the issue with > hybrid graphics on the Thinkpad X1 Extreme gen2. Great, thanks for testing!