On 6/28/2013 9:35 PM, Chris Wilson wrote: > On Fri, Jun 28, 2013 at 05:24:50PM +0300, Ville Syrj?l? wrote: >> On Fri, Jun 28, 2013 at 07:45:31PM +0530, Vijay Purushothaman wrote: >>> Since the sprite planes are using synchronized MMIO based flip, no need >>> to wait for vblank. Removing this wait allows us to get a nice >>> performance boost to both 3D & media workloads based on sprite (~60 fps >>> from ~20 fps) >> >> Nak. We can't unpin the buffer until the hardware has finished reading >> from it. >> >> The proper fix is to do the unpin asynchronously after the flip has >> completed. That's one part of the bigger atomic pageflip story. > > The interested reader is invited to review the patches to do async > unpinning here and in set-base sent many, many moons ago. > -Chris > Thanks Chris. I will try to dig for those patches. In case if you have the pointers handy, would you mind pointing me to the patch series? Thanks, Vijay
