$ cat /etc/X11/xorg.conf.d/20-intel.conf
#~Section "Device"
#	Identifier	"Intel Graphics"
#	Driver		"intel"
#	Option		"AccelMethod"	"sna"
#EndSection

$ cat /etc/X11/xorg.conf.d/20-modesetting.conf
#Section "Device"
#    Identifier  "Intel Graphics"
#    Driver      "modesetting"
#    Option      "AccelMethod"    "glamor"
#    Option      "DRI"            "3"
#EndSection

$ cat /etc/X11/xorg.conf.d/20opengl.conf
#Section "Files"
#EndSection