(In reply to Carlo Caione from comment #16) > I see. The problem is that the garbage lines result in a very bad experience > for the user. Do you have any idea how to fix / mitigate that? If it's related to reprogramming the MC, this patch series may help: https://lists.freedesktop.org/archives/amd-gfx/2017-February/005675.html It hasn't landed yet due to regressions with VCE.