ville.syrjala at linux.intel.com writes: > From: Ville Syrj?l? <ville.syrjala at linux.intel.com> > > As per Chris Wilson's suggestion make > i915_gem_execbuffer_wait_for_flips() go away. > > This was used to stall the GPU ring while there are pending > page flips involving the relevant BO. Ie. while the BO is still > being scanned out by the display controller. > > The recommended alternative is to use the page flip events to > wait for the page flips to fully complete before reusing the BO > of the old front buffer. Or use more buffers. So, after this change, if userland submits an execbuf between having requested a pageflip and the vblank that the flip shows up on, does that exec block? -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 197 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20121031/bcbf5977/attachment.pgp>