From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailbackend.panix.com (mailbackend.panix.com [166.84.1.89]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CDDDC1E493 for ; Thu, 12 Dec 2024 23:04:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.84.1.89 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734044700; cv=none; b=rVhHqWc+I47PVqmQota3usvpSbYaPPnzQLA4i/NigEv+hZcMoD1niB6TmYiSEmF7Wdhufi+9nxg0bsDZZlIkXB3hQX7ThgqZGj+jlpTcit1t9bJb6ORvyv2qtGYmug0Vies9q0bSVyhGtxylORAmVu15IW1hIry4O3BH3DbOV6Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734044700; c=relaxed/simple; bh=EcTQEaTJ/hj/TMjEm6C8LdIB5E3HARudR2bWrVD9oIw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XrkFSvDXbxQkoeTHoA7kJ1k8X62LuAV7ctSA+AexoMWCvf/LN1YnPlVPn862cMmvKOscnZIPpbxgutBCCBIGAeA6Zy6cmODSlq4ecKj2M6fPR19aAd7f2T0e/NG8rRqVRnPZj0mklfDzDFUHHabwBnk8zua5NscX2qbYCsc7NUk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=panix.com; spf=pass smtp.mailfrom=panix.com; dkim=pass (1024-bit key) header.d=panix.com header.i=@panix.com header.b=UHgjM1jz; arc=none smtp.client-ip=166.84.1.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=panix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=panix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=panix.com header.i=@panix.com header.b="UHgjM1jz" Received: from [192.168.126.122] (ip72-219-82-239.oc.oc.cox.net [72.219.82.239]) by mailbackend.panix.com (Postfix) with ESMTPSA id 4Y8SjL6gSJz4kF1; Thu, 12 Dec 2024 18:04:54 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=panix.com; s=panix; t=1734044695; bh=EcTQEaTJ/hj/TMjEm6C8LdIB5E3HARudR2bWrVD9oIw=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=UHgjM1jzl7dUV7fGLWQLt6284xmG09zG/S91nPxtQXkuMRmrhokcalLxOzieJRODM JawP8sDWugp6y0bUpm864Nh5hSGGodXqBBgNtm2rVA2ki5UtpiXLgJlSWJsMnGhGKn +V23jkCLkko6UuS50pjeutAXa0b0Vxgy+mqb9gJ8= Message-ID: <402b2e32-3b54-4e80-92fd-9237549ffa14@panix.com> Date: Thu, 12 Dec 2024 15:04:53 -0800 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: My AlderLake Dell (XPS-9320) needs these patches to get full standby/low-power modes To: Bjorn Helgaas Cc: Kai-Heng Feng , vidyas@nvidia.com, bhelgaas@google.com, andrea.righi@canonical.com, vicamo.yang@canonical.com, linux-pm@vger.kernel.org, Kenneth Crudup References: <20241212205612.GA3368300@bhelgaas> Content-Language: en-US From: Kenneth Crudup In-Reply-To: <20241212205612.GA3368300@bhelgaas> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/12/24 12:56, Bjorn Helgaas wrote: > On Wed, Dec 11, 2024 at 03:26:37PM -0800, Kenneth Crudup wrote: >> >> So we're on 6.13-rc2 and the patches are getting closer and closer, but they >> still need to be manually added. >> >> The good news is now only (variants of) "PCI/ASPM: Enable LTR for endpoints >> behind VMD" and "PCI/ASPM: Enable ASPM for links under VMD domain" are >> needed. > > Do you have lore links for these handy? I'm not sure exactly what to > look at. > > https://lore.kernel.org/linux-pci/?q=s%3A%22Enable+LTR+for+endpoints+behind+VMD%22 > didn't find anything. > > https://lore.kernel.org/linux-pci/?q=s%3A%22Enable+ASPM+for+links+under+VMD+domain%22 > found > https://lore.kernel.org/linux-pci/20200821123222.32093-1-kai.heng.feng@canonical.com/t/#u, > but it's four years old. > ---- On Mon, 6 Nov 2023, Bjorn Helgaas wrote: > > I'd bisected it to the following commits (in this order): > > 4ff116d0d5fd PCI/ASPM: Save L1 PM Substates Capability for suspend/resume > > 5e85eba6f50d PCI/ASPM: Refactor L1 PM Substates Control Register programming > > 1a0102a08f20 UBUNTU: SAUCE: PCI/ASPM: Enable ASPM for links under VMD domain > > 47c7bfd31514 UBUNTU: SAUCE: PCI/ASPM: Enable LTR for endpoints behind VMD > > 154d48da2c57 UBUNTU: SAUCE: vmd: fixup bridge ASPM by driver name instead > Thanks for these. You don't happen to have URLs for those Ubuntu > commits, do you? https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/lunar/commit/?id=1a0102a08f206149d9abd56c2b28877c 878b5526 https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/lunar/commit/?id=47c7bfd31514e7b54a1f830f7707297a ebbb8679 https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/lunar/commit/?id=154d48da2c57514e4b5dadc7b8c70a4e db550981 ---- -Kenny -- Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA