On Fri, 24 Jun 2016, Manuel Groß <mgr@xxxxxxxxxxxxx> wrote: > since upgrading to Kernel 4.6, I experienced weird display delay issues > on my Thinkpad x250. Downgrading to 4.5 or disabling fbc both fix that > issue. If that's Haswell, FBC has been disabled by default (again, *sigh*). The fix is now in Linus' tree, and will eventually trickle down to v4.6 stable kernels. > If you can tell me what logs/analysis might be useful for you, I am > happy to provide it to you, although I am not that experienced with > this stuff. It's possible we have a real fix in drm-intel-nightly branch of [1] already, please try that with i915.enable_fbc=1. BR, Jani. [1] http://cgit.freedesktop.org/drm-intel -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx