Comment # 13 on bug 105005 from Dmitry

In the case of option tearfree on came out of sleep. But there was a bug that
flew in resolution 1366x768 and 1080p was not available. But it is possible
problems xfce4, or I config the curve did. I have there

Section "Screen"
       Identifier     "Screen"
       DefaultDepth    24
       SubSection      "Display"
               Depth   24
       EndSubSection
EndSection

option tearfree on