On Mon, 16 Apr 2012 15:29:41 +0100, Chris Wilson <chris at chris-wilson.co.uk> wrote: > IvyBridge has the ability to pageflip from either the Render or Blitter > rings. Scheduling the pageflip on the active ring (if the new scanout is > being rendered on either pipeline) saves inserting a semaphore (if > available) and forcing a stall on both pipelines. We presume that the > current scanout is inactive. As a follow-up to my own suggestion; don't even think of pageflipping from the render ring, it is full of disappointment. -Chris -- Chris Wilson, Intel Open Source Technology Centre
