On Sat, Apr 16, 2011 at 10:17:43AM +0100, Chris Wilson wrote: > The 2D driver unfortunately uses the BLT ring in order to perform blits, > and will often blit between buffers in the course of a pageflip. (Though > usually it is from the post-flipped scanout to the window frontbuffer > for reasons known only to itself, maintaining the front buffer in case > of 2D access one presumes.) > > As such, being able to use a GPU semaphore and not stall the CPU/GPU > whilst switching between rings for a pageflip is useful.
Hey, we could issue flips on the blt ring .... <CARRIER LOST> Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch> -- Daniel Vetter Mail: dan...@ffwll.ch Mobile: +41 (0)79 365 57 48 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
