On 03/23/18 18:07, Gerd Hoffmann wrote: > On Fri, Mar 23, 2018 at 04:12:21PM +0100, Laszlo Ersek wrote: >> On 03/23/18 15:51, Gerd Hoffmann wrote: >>> Hi, >>> >>>> I believe the only point of this device model (and the associated guest >>>> fw driver) is Windows-on-KVM/aarch64. >>> >>> The other one is vgpu boot display. >> >> Interesting. I know nearly nothing about vgpu, but I hoped it'd come >> with its own UEFI GOP driver in the ROM BAR; similarly to assigned >> physical GPUs. > > Well. They don't ... > > And even for assigned GPUs it is a PITA. For example the intel rom > appears to have the pci slot hardcoded. You have to place the GPU in > 00:02.0 (which it has on bare metal), otherwise the rom doesn't work. > I would be *very* surprised if the rom is able to handle vgpu devices > correctly. Beside that it isn't easy to get the rom in the first place, > at least for intel, as it isn't stored in the rom bar but in the > firmware flash.
Sure, IGD assignment is a different animal; I thought vgpu would follow the discrete PCI card assignment case. Anyway, I just wanted to educate myself on this; thanks! Laszlo
