On Wed, 15 Nov 2017, Tuncer Ayaz <tuncer.ayaz@xxxxxxxxx> wrote: > I don't follow why you think it's a different platform and how I might > have "more" definitely shown v4.1 to be good, but I'll trust your > judgement as a drm dev and not argue :). You apparently have Sandy Bridge, the referenced reports are about Broadwell and Skylake. Even if the symptoms you see are the same, the root causes might be wildly different, needing a different fix. I've learned the hard way not to make assumptions without detailed information, which in this case I don't have. As in, I don't even know for sure if you have Sandy Bridge or not, although it's alluded to in your message. >From my point of view, you're shouting regression while giving us nothing to work with. You need to help us to help you. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center