Displaying 2 results from an estimated 2 matches for "6042a6b5bee0".
2018 Aug 30
2
Rewriting Intel PCI bridge prefetch base address bits solves nvidia graphics issues
On Tue, Aug 28, 2018 at 5:57 PM, Peter Wu <peter at lekensteyn.nl> wrote:
> Just to be sure, after "sleep", do both devices report "suspended" in
> /sys/bus/pci/devices/0000:00:1c.0/power/runtime_status
> /sys/bus/pci/devices/0000:01:00.0/power/runtime_status
>
> and was this reproduced with a recent mainline kernel with no special
> cmdline options? The
2018 Aug 30
0
Rewriting Intel PCI bridge prefetch base address bits solves nvidia graphics issues
...ears that you have to do at least two things:
- Ensure that the Subsystem Vendor/Product ID are set.
- Expose a _ROM ACPI method that provides VBIOS.
Perhaps you also need to provide a "_DSM" method that emulates at least
the "Optimus" interface for GUID a486d8f8-0bda-471b-a72b-6042a6b5bee0.
You probably lost interest here, but if you want to continue anyway this
is what allowed me to install the driver on the XPS 9560:
https://github.com/Lekensteyn/acpi-stuff/blob/master/d3test/fakedev.asl
If you adapt if for your environment, note:
- I have only tested this with the q35 machine ty...