Note in addition to using pageflipping via the TearFree option, there is a glimmer of light in the form of
kernel commit d7d4eeddb8f72342f70621c4b3cb718af9361712 Author: Chris Wilson <ch...@chris-wilson.co.uk> Date: Wed Oct 17 12:09:54 2012 +0100 drm/i915: Allow DRM_ROOT_ONLY|DRM_MASTER to submit privileged batchbuffers and xf86-video-intel commit 891bae4aa91e85542dcbe38f6ee92141e3efc801 Author: Chris Wilson <ch...@chris-wilson.co.uk> Date: Wed Oct 17 11:29:10 2012 +0100 sna: Use the secure batches to program scanline waits on gen6+ to try and convince the hardware to do vsync'ed updates. (In terms of power efficiency, using pageflipping is the way forward as that is how the hardware is designed to operate. Also note that only the later steppings of SNB have scanline waits...) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/755841 Title: [sandybridge] Graphics tearing when playing video To manage notifications about this bug go to: https://bugs.launchpad.net/compiz-core/+bug/755841/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs