Re: [PATCH v3] pci: prevent putting nvidia GPUs into lower device states on certain intel bridges

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Oct 21, 2019 at 03:54:09PM +0200, Karol Herbst wrote:
> > I really would like to provide you more information about such
> > workaround but I'm not aware of any ;-) I have not seen any issues like
> > this when D3cold is properly implemented in the platform.  That's why
> > I'm bit skeptical that this has anything to do with specific Intel PCIe
> > ports. More likely it is some power sequence in the _ON/_OFF() methods
> > that is run differently on Windows.
> 
> yeah.. maybe. I really don't know what's the actual root cause. I just
> know that with this workaround it works perfectly fine on my and some
> other systems it was tested on. Do you know who would be best to
> approach to get proper documentation about those methods and what are
> the actual prerequisites of those methods?

Those should be documented in the ACPI spec. Chapter 7 should explain
power resources and the device power methods in detail.
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux