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From: Mika Westerberg <mika.westerberg@intel.com>
To: Karol Herbst <kherbst@redhat.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	Bjorn Helgaas <helgaas@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Lyude Paul <lyude@redhat.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Linux PCI <linux-pci@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	nouveau <nouveau@lists.freedesktop.org>,
	Dave Airlie <airlied@gmail.com>,
	Mario Limonciello <Mario.Limonciello@dell.com>
Subject: Re: [PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges
Date: Wed, 20 Nov 2019 14:09:13 +0200	[thread overview]
Message-ID: <20191120120913.GE11621@lahna.fi.intel.com> (raw)
In-Reply-To: <CACO55tscD_96jUVts+MTAUsCt-fZx4O5kyhRKoo4mKoC84io8A@mail.gmail.com>

On Wed, Nov 20, 2019 at 12:58:00PM +0100, Karol Herbst wrote:
> overall, what I really want to know is, _why_ does it work on windows?

So do I ;-)

> Or what are we doing differently on Linux so that it doesn't work? If
> anybody has any idea on how we could dig into this and figure it out
> on this level, this would probably allow us to get closer to the root
> cause? no?

Have you tried to use the acpi_rev_override parameter in your system and
does it have any effect?

Also did you try to trace the ACPI _ON/_OFF() methods? I think that
should hopefully reveal something.

  reply	other threads:[~2019-11-20 12:09 UTC|newest]

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17 12:19 [PATCH v4] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges Karol Herbst
2019-11-14 19:17 ` Karol Herbst
2019-11-19 20:06 ` Dave Airlie
2019-11-19 21:49 ` Bjorn Helgaas
2019-11-19 22:26   ` Karol Herbst
2019-11-19 22:57     ` Bjorn Helgaas
2019-11-20 10:18     ` Mika Westerberg
2019-11-20 10:52       ` Rafael J. Wysocki
2019-11-20 11:22         ` Mika Westerberg
2019-11-20 11:48           ` Rafael J. Wysocki
2019-11-20 11:51             ` Karol Herbst
2019-11-20 12:06               ` Rafael J. Wysocki
2019-11-20 12:09                 ` Karol Herbst
2019-11-20 12:14                   ` Rafael J. Wysocki
2019-11-20 12:19                     ` Karol Herbst
2019-11-20 12:11                 ` Rafael J. Wysocki
2019-11-20 11:51           ` Mika Westerberg
2019-11-20 11:54             ` Karol Herbst
2019-11-20 11:58               ` Karol Herbst
2019-11-20 12:09                 ` Mika Westerberg [this message]
2019-11-20 12:11                   ` Karol Herbst
2019-11-20 15:15                     ` Mika Westerberg
2019-11-20 15:37                       ` Karol Herbst
2019-11-20 15:53                         ` Mika Westerberg
2019-11-20 16:23                           ` Mika Westerberg
2019-11-20 21:36                             ` Karol Herbst
2019-11-21 10:14                               ` Mika Westerberg
2019-11-21 11:03                                 ` Rafael J. Wysocki
2019-11-21 11:08                                   ` Rafael J. Wysocki
2019-11-21 11:15                                     ` Rafael J. Wysocki
2019-11-21 11:17                                   ` Mika Westerberg
2019-11-21 11:31                                     ` Rafael J. Wysocki
2019-11-20 21:37                           ` Rafael J. Wysocki
2019-11-20 21:40                             ` Karol Herbst
2019-11-20 22:29                               ` Rafael J. Wysocki
2019-11-21 11:28                                 ` Mika Westerberg
2019-11-21 11:34                                   ` Rafael J. Wysocki
2019-11-21 11:46                                     ` Mika Westerberg
2019-11-21 12:52                                       ` Mika Westerberg
2019-11-21 12:56                                         ` Karol Herbst
2019-11-21 15:43                                         ` Rafael J. Wysocki
2019-11-21 19:49                                           ` Mika Westerberg
2019-11-21 22:39                                             ` Rafael J. Wysocki
2019-11-21 22:50                                               ` Karol Herbst
2019-11-22  0:13                                                 ` Karol Herbst
2019-11-22  9:07                                                   ` Rafael J. Wysocki
2019-11-22 11:30                                                     ` Karol Herbst
2019-11-22 10:36                                               ` Mika Westerberg
2019-11-22 11:30                                                 ` Rafael J. Wysocki
2019-11-22 11:34                                                   ` Karol Herbst
2019-11-22 11:54                                                     ` Rafael J. Wysocki
2019-11-22 11:52                                                   ` Mika Westerberg
2019-11-22 12:15                                                     ` Rafael J. Wysocki
2019-11-21 12:52                                       ` Karol Herbst
2019-11-21 15:47                                         ` Rafael J. Wysocki
2019-11-21 16:06                                           ` Karol Herbst
2019-11-21 16:39                                             ` Rafael J. Wysocki
2019-11-26 23:10                                               ` Lyude Paul
2019-11-27 11:48                                                 ` Mika Westerberg
2019-11-27 11:51                                                   ` Karol Herbst
2019-11-27 19:51                                                     ` Lyude Paul
2019-12-09 11:17                                                       ` Karol Herbst
2019-12-09 11:38                                                         ` Rafael J. Wysocki
2019-12-09 12:24                                                           ` Karol Herbst
2019-12-10 19:58                                                           ` Dave Airlie
2019-12-10 20:49                                                             ` Karol Herbst
2020-01-13 15:31                                                               ` Karol Herbst

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