On 01/28/2015 10:45 AM, Chris Wilson wrote: > From watching the video, and your comments here, it is clear this is not > a driver bug (neither in the ddx nor opengl compositor). That leaves us > with hardware misconfiguration, aka kernel bug. Some of the artefacts > could be a display underrun. It would be good to check a drm.debug=0xe > dmesg for any warnings (and the info itself will be useful). Another > thing worth playing with is i915.enable_fbc=1 (though that is really > just swapping one problem with another).
i915.enable_fbc=1 had no effect. I agree with you that this is probably a low-level problem, although the fact that the artefacts strongly depend on Window content doesn't fit that theory. Martin PS: I have just done a thing I thought I'd never do - I am downloading an evaluation copy of Windows in order to check whether my HW is faulty. _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
