Re: PCI: Revert "PCI: Add runtime PM support for PCIe ports"

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Dear Bjorn,

I got two patches to test but they fail because I need to know the git
version against which to patch.

Also a manual patch was not possible because the source code differed
too much.

So currently I am waiting for that info.

Best regards

Kilian


On 17-Jan-17 15:56, Bjorn Helgaas wrote:
> On Tue, Dec 27, 2016 at 05:57:37PM -0600, Bjorn Helgaas wrote:
>> Hi Killian,
>>
>> Thanks for the report (https://bugzilla.kernel.org/show_bug.cgi?id=190861)
>> and all the debugging you've done.  Below is a revert of the troublesome
>> commit.  Can you test it and verify that it also fixes the problem?
>>
>> I assume Mika is looking at this and will have a better solution soon.
>> But if not, I'll queue this up for v4.10.
> Can somebody please summarize the current state of this issue?  I
> assume somebody has already posted a better patch that should replace
> this naive revert, but I haven't been following the whole thread.
>
>> commit e648b1ca2b94d207289fedc2538d33c57cdbc4de
>> Author: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>> Date:   Tue Dec 27 17:27:30 2016 -0600
>>
>>     Revert "PCI: Add runtime PM support for PCIe ports"
>>     
>>     Revert 006d44e49a25 ("PCI: Add runtime PM support for PCIe ports").
>>     
>>     Killian reported that on a Lenovo W54l with i7-4810MQ, Intel HD Graphics
>>     4600, and NVIDIA Quadro® K1100M, locking the screen kills all keyboard and
>>     mouse interaction.  Reverting 006d44e49a25 fixes the problem.
>>     
>>     Link: https://bugzilla.kernel.org/show_bug.cgi?id=190861
>>     Reported-by: kilian.singer@xxxxxxxxxxxxxxxxxxxxxx
>>     Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>>     CC: stable@xxxxxxxxxxxxxxx	# v4.8+
>>     CC: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

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