Hi, > > The guest driver should be able to restore resources after resume. > > Thank you for your suggestion! > As far as I know, resources are created on host side and guest has no backup, > if resources are destroyed, guest can't restore them. > Or do you mean guest driver need to send commands to re-create resources > after resume?
The later. The guest driver knows which resources it has created, it can restore them after suspend. > If so, I have some questions. Can guest re-create resources by using > object(virtio_vpu_object) or others? Can the new resources replace the > destroyed resources to continue the suspended display tasks after > resume? Any display scanout information will be gone too, the guest driver needs re-create this too (after re-creating the resources). take care, Gerd
