linux-kernel - Re: Linux Support for Thunderbolt using Apple Monitor

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Message-ID: <CAE9FiQWcyRfLKB+YivOfa-GydbhoaMx06n6a4VMDWoTOMkj7ig@mail.gmail.com>
Date:	Fri, 4 May 2012 12:38:43 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Francois Rigaut <frigaut@...il.com>, linux-pci@...r.kernel.org,
	Nico Schottelius <nico-linux-20120419@...ottelius.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Linux Support for Thunderbolt using Apple Monitor

On Fri, May 4, 2012 at 12:37 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> On Fri, May 4, 2012 at 11:48 AM, Greg KH <gregkh@...uxfoundation.org> wrote:
>> Ok, it looks like these are the devices that we are missing while
>> "hotplugging":
>> 37:00.0 PCI bridge: Intel Corporation Device 1513
>> 38:00.0 PCI bridge: Intel Corporation Device 1513
>> 38:01.0 PCI bridge: Intel Corporation Device 1513
>> 38:02.0 PCI bridge: Intel Corporation Device 1513
>> 38:03.0 PCI bridge: Intel Corporation Device 1513
>> 38:04.0 PCI bridge: Intel Corporation Device 1513
>> 38:05.0 PCI bridge: Intel Corporation Device 1513
>> 39:00.0 PCI bridge: Pericom Semiconductor Device 400c (rev 02)
>> 3a:03.0 PCI bridge: Pericom Semiconductor Device 400c (rev 02)
>> 3b:00.0 USB controller: Pericom Semiconductor Device 400e (rev 01)
>> 3b:00.1 USB controller: Pericom Semiconductor Device 400e (rev 01)
>> 3b:00.2 USB controller: Pericom Semiconductor Device 400f (rev 01)
>> 3c:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM57761 Gigabit Ethernet PCIe (rev 10)
>> 3d:00.0 FireWire (IEEE 1394): nee Agere Systems nee Lucent
>> Microelectronics FW643 PCI Express 1394b Controller (PHY/Link) (rev 08)
>>
>> Which is good, I was worried that there was a video controller out there
>> on the end of the thunderbolt link.
>>
>> So, the problem really is two here:
>>  - your video card doesn't detect the new display
>>  - your pci devices do not show up
>>
>> The first one probably needs to be reported to the Intel video driver
>> people, they can help you out the best.
>>
>> The second one means that something is up with the pci hotplug
>> controller.  I've cced the linux-pci list, the people there should be
>> able to help out better than I, as I no longer have any PCI hotplug
>> hardware to work with anymore.
>>
>
> those devices are under 04:04.0, but that does not have slot cap
> enabled by BIOS. So pciehp is going to to help.

should be: pciehp is not going to help.

so acpiphp are involved?

Yinghai
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