From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from l2mail1.panix.com (l2mail1.panix.com [166.84.1.75]) (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 A3F271CD3D; Mon, 13 May 2024 05:43:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=166.84.1.75 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715579014; cv=none; b=IoD9VWKUHMML5WpjTfaFYu5ZYVR4NUwmo8IlBQm6FjvuZvljnQCVTJChWBOpm9pAtI0kvKs6cteDIBWM7UgY/NZxD54FeCxyy6JKd1MmiqPlWsQjcYy6XSxuKYTXdHsJvYjnrFc+r1ucfi6sY86PiYfMUj7ZoJV5tCADsURiuiM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715579014; c=relaxed/simple; bh=FSWuB8V/ziHZXymqKaREbNvUpk0luMlL6NoUqq2UHIQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=ZBnHi+tGEyxEbIayFTU/tHwXYveNblq9BMiJ0mREK2tJazfAMr0ZSt1aQRPv3qZEOZ8P2kLeSAEjgWFZuBvU3iNfHZqRe8jcAbhlvXlLhCLniIKU98tHUOE4VY6q2v68z7ydTE+QhWTKlXkCuRIkJRm+04j0fdpr/dHK1WU0NxQ= 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=YVkG6mJA; arc=none smtp.client-ip=166.84.1.75 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="YVkG6mJA" Received: from mailbackend.panix.com (mailbackend.panix.com [166.84.1.89]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (1024 bits) server-digest SHA256) (No client certificate requested) by l2mail1.panix.com (Postfix) with ESMTPS id 4Vd7Fk1wslzDRb; Mon, 13 May 2024 01:24:10 -0400 (EDT) Received: from xps-9320 (ip72-219-82-239.oc.oc.cox.net [72.219.82.239]) by mailbackend.panix.com (Postfix) with ESMTPSA id 4Vd7FQ3sSlzFhw; Mon, 13 May 2024 01:23:54 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=panix.com; s=panix; t=1715577836; bh=FSWuB8V/ziHZXymqKaREbNvUpk0luMlL6NoUqq2UHIQ=; h=Date:From:Reply-To:To:cc:Subject:In-Reply-To:References; b=YVkG6mJAcCDWq9LZch2Xv+mEpNd/ogPeCa6xG0YBPZ/EmtfS2n1y2mJWIhLL8JZDW i3ENakYG/ZWVMXB2pCouZWDaM8ycJKhJq3DmrDR0yrhiyjMptAEuPNz6m3tRXNThko sNZzBIK2J670YfkM9fRXiGJaV/hyOI1yiWIMP+yY= Date: Sun, 12 May 2024 22:23:53 -0700 (PDT) From: "Kenneth R. Crudup" Reply-To: "Kenneth R. Crudup" To: Bjorn Helgaas cc: "David E. Box" , Mika Westerberg , vidyas@nvidia.com, bhelgaas@google.com, kai.heng.feng@canonical.com, andrea.righi@canonical.com, vicamo.yang@canonical.com, Kuppuswamy Sathyanarayanan , "Rafael J. Wysocki" , =?ISO-8859-15?Q?Ilpo_J=E4rvinen?= , Ricky WU , Mario Limonciello , linux-pm@vger.kernel.org, linux-pci@vger.kernel.org, Thomas Witt , Matthew Garrett Subject: Re: My AlderLake Dell (XPS-9320) needs these patches to get full standby/low-power modes In-Reply-To: <20231227000338.GA1484308@bhelgaas> Message-ID: <7288cce6-288e-7e13-ca9-865e69287e48@panix.com> References: <20231227000338.GA1484308@bhelgaas> Errors-To: kenny@panix.com Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII On Sat, 4 Nov 2023, Kenneth R. Crudup 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 So the good news is the above two have made it into (the recently-released) 6.9! Now I'm rooting for these last three: > 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 Applying (refactored for 6.8+ versions) of these last three enable full power savings for 6.9 . -Kenny, fingers crossed -- Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA