On Tue, 07 Jun 2011 17:55:05 -0700, Kenneth Graunke wrote: > In the latest version of the Render Engine Command Streamer chapter, > 18:8 are 'reserved' on IVB. Perhaps you have an old copy? Yeah, I haven't sync'd for a week or so. > Apparently MI_DISPLAY_FLIP also exists in the Blitter Engine on IVB. I > suspect we actually need to use that, but I haven't tried to yet. > No, actually...page flips are still broken. I suspect this patch is > necessary but insufficient. Feel free to hold off on merging it. Sounds like a bit more testing and fixing is required; I'll leave things alone until we know how to make it work. > Good question. My reading of the docs say that it should be 3 DWORDs on > SNB as well; this code was directly lifted from "case 6" above (save the > first line). Might be interesting to see if page flipping works when we send the command correctly :-) -- keith.packard@intel.com