On Thu, Aug 30, 2018 at 5:40 PM, Peter Wu <peter@xxxxxxxxxxxxx> wrote: > As the BIOS date is not visible, can you also confirm that this message > is visible in dmesg? > > nouveau: detected PR support, will not use DSM Yes, that gets logged. > For laptops, it appears 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 Indeed. I'm going to submit the workaround and I'll look to come back to this qemu/vfio analysis later. Thanks Daniel
