I know that this is an issue with the linux kernel, but I'm hoping that there is a work-around. I use my laptop as a home-theater machine, connectting it to my TV with HDMI. Unfortunately, since the upgrade to the 4.4 kernel, there has been a tremendous performance regression and there are artifacts appearing on my television.

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Check if this helps you. I know it's another distro, but their documentarion is awesome and can help you in many other situations. https://wiki.archlinux.org/index.php/intel_graphics#SNA_issues

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