> > > It's supported earlier than that. But IIRC there was some kind of > > > GTT alignment vs. async flip vs. FBC restriction that we weren't handling. > > > > > Should I enable it for earlier Gen also, or is it fine to keep it with starting > Gen 12. > > The only restriction that I see in Bspec is that during async flip > > changes to stride, pixel format, compression, FBC etc is not allowed > > and I see this is already taken care of. Am I missing anything? > > There is that GTT alignment restriction that should be mentioned > somewhere. Can't quite remember where it was, maybe in PLANE_SURF. > I checked the BSpec, and don't find anything as such specific for Async flip. I also cross verified with the hardware team. > But I guess the bigger question is what is the actual use case for this? This feature is a requirement for LNL. Thanks and Regards, Arun R Murthy --------------------
