Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp2245076ybh; Fri, 17 Jul 2020 12:52:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwlgtrQ8jjoBlbs4Qfl6wiWoKi+Qp1X4X3BQgzEOiDdHMDvpq1NtbRlTcj+MAxeUNiAQ2py X-Received: by 2002:a17:906:944c:: with SMTP id z12mr9672893ejx.396.1595015566758; Fri, 17 Jul 2020 12:52:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595015566; cv=none; d=google.com; s=arc-20160816; b=06s1thfdoH2X14gxApe2yneXIfArUE9/j3OiY8Cf0joJ4Jll/ECwMB0jNeYwiAw3mA BKor+IF4qUJ3O7HhV8IQOHDzh78jgO0kJFwfTYAPY6JaOZElVCgO3Ap6rGxLBJY95rFs ergbghW09d8HCGBC8TRitSh9zYtswfePJub0EPFBbnuKTc31gR+QNOGUhEOJx2wH18k9 1YOKIwgW8wq1axkZ2yiq3yARsneWdSxqNcZWmvPHcUKn0cPmXT5p+WXIaS/TjjpCra7D g+I5fRQWqV8ima0GugOgdFUI0rsn3joHM0MXX2kxQz3u6u8uHfEx9JvRtudfwVhsAWr3 gvDw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=PVSOjnxSIncFucZ1QOmYJOqJwzNkOsVBd4H7YHbhB6Q=; b=vSlQ6b5HIVKR0Jmv7V4DZlcvpesSUBUkpbcvOf3E15k8NYr47I2D3QgtbjMUk7NyGi 3ATLHqpyJzXbh+nujAEKJDhPUP0KLvIWhnMc2p7aU6yIeLyDxrS7H1hcRyqrhPF8D+Cw zymR45/Sb0KNIh2sQ5piCgZ0IibT4LhmBDoItMUdkd5063x2ryo+Gfa7utaBYWuW4+ZZ L9WSkHnZrakMjJ+o0tNGT1CXOllDlf993AV8jbNgBA3LCn0aqo6McWWIYLW7oAbe3Zp4 2Erfe6PiEHkgbYDib8Qj++f3gX7jUB99xRK0YFalLqVLUw0mGqZuJzhyqr9gC5duxOlQ ZU+A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 17si5645949ejw.686.2020.07.17.12.52.23; Fri, 17 Jul 2020 12:52:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728244AbgGQTwM (ORCPT + 99 others); Fri, 17 Jul 2020 15:52:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728159AbgGQTwM (ORCPT ); Fri, 17 Jul 2020 15:52:12 -0400 Received: from bmailout1.hostsharing.net (bmailout1.hostsharing.net [IPv6:2a01:37:1000::53df:5f64:0]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A95A0C0619D2 for ; Fri, 17 Jul 2020 12:52:11 -0700 (PDT) Received: from h08.hostsharing.net (h08.hostsharing.net [IPv6:2a01:37:1000::53df:5f1c:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.hostsharing.net", Issuer "COMODO RSA Domain Validation Secure Server CA" (not verified)) by bmailout1.hostsharing.net (Postfix) with ESMTPS id E02A030000CF7; Fri, 17 Jul 2020 21:52:09 +0200 (CEST) Received: by h08.hostsharing.net (Postfix, from userid 100393) id A84152B0C74; Fri, 17 Jul 2020 21:52:09 +0200 (CEST) Date: Fri, 17 Jul 2020 21:52:09 +0200 From: Lukas Wunner To: Lyude Paul Cc: Bjorn Helgaas , Karol Herbst , Sasha Levin , Patrick Volkerding , Linux PCI , linux-kernel@vger.kernel.org, dri-devel , Kai-Heng Feng , Ben Skeggs , nouveau , Bjorn Helgaas , Mika Westerberg Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" Message-ID: <20200717195209.vmtyfmgweoo645lh@wunner.de> References: <20200716235440.GA675421@bjorn-Precision-5520> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 17, 2020 at 03:04:10PM -0400, Lyude Paul wrote: > Isn't it possible to tell whether a PCI device is connected through > thunderbolt or not? We could probably get away with just defaulting > to 100ms for thunderbolt devices without DLL Link Active specified, > and then default to the old delay value for non-thunderbolt devices. pci_is_thunderbolt_attached()