Commen=
t # 16
on bug 98505<=
/a>
from Peter Wu
(In reply to Alex Deucher from comment #15)
> (In reply to Peter Wu from comment #14)
[..]
> > The Windows 8 requirements state that the d=
iscrete GPU is render-only[0],
> > but the Win10 reqs have no such requirement[1]. (Are these the sa=
me specs
> > you had in mind? If not, could you share the right one?) On my ne=
w hybrid
> > nvidia laptop, there are actually DP/HDMI ports to the dGPU (HDMI=
with
> > audio).
>=20
> I had access to the PR3 spec internally. I'm not sure if it's availab=
le
> publicly or not. Support for displays was not included in the informa=
tion I
> saw or from talking with our internal hybrid graphics architects. It's
> possible the spec has been updated since I last talked to them earlier=
this
> year. I can double check.
>=20
> Does your new laptop use PR3 or the older nvidia proprietary ACPI meth=
od?
The laptop (Clevo P651RA) uses PR3 (confirmed via a Windows 10 trace):
https://github.com/Bumblebee-Project/bbswitch/issues/115#i=
ssuecomment-218622306
> > Have you been working on this or should I h=
ave a look?
>=20
> I have not been. Please have a look. Thanks!
Ok, do you have any certainty about the earliest BIOS date where _PR3 is us=
ed?
E.g. if the minimum date is lowered to 2014 without checking for _PR3, woul=
d it
be likely to miss out some models?