Skylake (Intel HD530/HD520) video fix for Linux

00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 06)

The problem :

• skype video calls become unusable.
  
• blue lines
  
• vlc, openshot, skype video always on top
  
• video does not resizable
  
• etc..
  

Tested on:
* ubuntu wily (15.10)
* ubuntu xenial (16.04) (4.3.5 kernel)

installation

• Copy 20-intel.conf from repository to /usr/share/X11/xorg.conf.d/20-intel.conf
  
• Restart / reboot the system
  

Lazy fix

cd /tmp 
wget https://github.com/linuxenko/ubuntu-skylake-i915-video-fix/releases/download/v1/20-intel.conf
sudo cp 20-intel.conf /usr/share/X11/xorg.conf.d/20-intel.conf

Restart system then.

Kernel 4.2.0-x - 4.3.x issues

• Very unstable driver when using opengl or playing games.
• With 4.2 system can stuck even watching youtube videos.

Kernel - 4.4.x issues

• Looks like very unstable, sometimes freeze whole system without any reason. I don't use it anymore, 4.3.x is more stable.
• Monitor flickering at boot time, before it start Xorg server it blinks. (4.4.x only problem)
• Firefox webgl rendering crush
  

W: Possible missing firmware /lib/firmware/i915/skl_guc_ver4.bin for module i915 issue.

FIX:
Download and install firmware.

cd /tmp 
wget https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver43.tar.bz2
tar xf sklgucver43.tar.bz2
cd skl_guc_ver4_3/ ; sudo ./install.sh
sudo update-initramfs -u -k all

Contribution

• Testing results and fixes contribution are highly appreciated.