From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phillip Susi Subject: enabling aspm on ati radeon Date: Wed, 15 May 2013 22:25:37 -0400 Message-ID: <519443A1.8050905@ubuntu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120]:53766 "EHLO cdptpa-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755010Ab3EPCZj (ORCPT ); Wed, 15 May 2013 22:25:39 -0400 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I thought that booting with the pcie_aspm=force option should make sure this was enabled, but passing this to a 3.8.0 kernel, lspci still shows: LnkCap: Port #0, Speed 5GT/s, Width x16, ASPM L0s L1, Latency L0 <64ns, L1 <1us ClockPM- Surprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- What could be disabling ASPM? dmesg confirms: [ 0.000000] PCIe ASPM is forcibly enabled -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iQEcBAEBAgAGBQJRlEOfAAoJEJrBOlT6nu75D7gH/1/Nk62FAELr/IJR49pNFNVB TY0JflxJ7hRMxGUYtcKCgGLA2UrUSf95fFh11NmWMCZFRXHS/9WQXp2gr8KUGXIp iOlHHME2egFslbr8nUp3aHkmq0/D7lbZdK7eA1PO6hojnxapygbqt6tjpRKT7Vke djWz+43IiljDD7ZKz1JoUPjJIEV2v/Eg5BpXFEVEiXXFYFfjAU3ZG95/mNuvTX3T MraQFQOP/4kqpMc75tSsAsfMHg3ciYOt0GIYIk9SUE6mONkAY6o2g4kRgva5CwQC bBvhDZcQfx8QsIPlTBa74Kjjx9q7yQyOD6lkJTLE5SQWfTiBwB5ET9Dt0kKSJ/I= =WgMm -----END PGP SIGNATURE-----