From: "Patel, Mayurkumar" <mayurkumar.patel@intel.com>
To: Sinan Kaya <okaya@codeaurora.org>, Bjorn Helgaas <bhelgaas@google.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
Rajat Jain <rajatja@google.com>,
"Rajat Jain" <rajatxjain@gmail.com>,
David Daney <david.daney@cavium.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Timur Tabi <timur@codeaurora.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Julia Lawall <Julia.Lawall@lip6.fr>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
Yinghai Lu <yinghai@kernel.org>,
Shawn Lin <shawn.lin@rock-chips.com>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
Myron Stowe <myron.stowe@redhat.com>
Subject: RE: [PATCH V8 4/5] PCI/ASPM: save power on values during bridge init
Date: Fri, 21 Apr 2017 14:13:42 +0000 [thread overview]
Message-ID: <92EBB4272BF81E4089A7126EC1E7B2846676CC01@IRSMSX101.ger.corp.intel.com> (raw)
In-Reply-To: <16c80ef9-8928-b7c9-dc6e-f1c96efb6da3@codeaurora.org>
>
>On 4/21/2017 3:46 AM, Patel, Mayurkumar wrote:
>> If we want to follow above approach then shall we consider having something similar as following?
>
>Do you see this problem if you boot with pcie_aspm.policy=powersave option?
>
No problems. with pcie_aspm.policy=powersave(L1SS are not enabled in this case
but L1 stays ok all the time after many Power(hotplug) cycles but I think that is expected with this policy)
and pcie_aspm.policy=powersupersave (L1/L1SS both stays ok all the time).
>
>--
>Sinan Kaya
>Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
>Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
Intel Deutschland GmbH
Registered Address: Am Campeon 10-12, 85579 Neubiberg, Germany
Tel: +49 89 99 8853-0, www.intel.de
Managing Directors: Christin Eisenschmid, Christian Lamprechter
Chairperson of the Supervisory Board: Nicole Lau
Registered Office: Munich
Commercial Register: Amtsgericht Muenchen HRB 186928
next prev parent reply other threads:[~2017-04-21 14:16 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1491627351-1111-1-git-send-email-okaya@codeaurora.org>
2017-04-08 4:55 ` [PATCH V8 1/5] PCI/ASPM: introduce pci_aspm_init() and add to pci_init_capabilities() Sinan Kaya
2017-04-13 20:51 ` Bjorn Helgaas
2017-04-14 19:10 ` Sinan Kaya
2017-04-08 4:55 ` [PATCH V8 2/5] PCI/ASPM: split pci_aspm_init() into two Sinan Kaya
2017-04-12 19:16 ` Rajat Jain
2017-04-13 18:25 ` Bjorn Helgaas
2017-04-14 19:10 ` Sinan Kaya
2017-04-08 4:55 ` [PATCH V8 3/5] PCI/ASPM: add init hook to device_add Sinan Kaya
2017-04-13 20:48 ` Bjorn Helgaas
2017-04-13 21:02 ` Bjorn Helgaas
2017-04-14 1:19 ` Sinan Kaya
2017-04-14 1:30 ` Bjorn Helgaas
2017-04-08 4:55 ` [PATCH V8 4/5] PCI/ASPM: save power on values during bridge init Sinan Kaya
2017-04-12 19:19 ` Rajat Jain
2017-04-14 19:12 ` Sinan Kaya
2017-04-14 21:44 ` Bjorn Helgaas
2017-04-14 22:17 ` Sinan Kaya
2017-04-17 16:38 ` Bjorn Helgaas
2017-04-17 17:50 ` Sinan Kaya
2017-04-21 7:46 ` Patel, Mayurkumar
2017-04-21 13:50 ` Sinan Kaya
2017-04-21 14:13 ` Patel, Mayurkumar [this message]
2017-04-25 18:45 ` Bjorn Helgaas
2017-05-02 12:02 ` Patel, Mayurkumar
2017-05-03 21:10 ` Bjorn Helgaas
2017-05-15 9:10 ` Patel, Mayurkumar
2017-04-08 4:55 ` [PATCH V8 5/5] PCI/ASPM: move link_state cleanup to bridge remove Sinan Kaya
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