(In reply to comment #47)
> With kernel 3.15 and later I got "diplay not working after suspend" again.
> But I find out how to work around. I had scrip on shortcut for KDE and this
> script made display to work. Command of script is "sleep 1; xset dpms force
> standby".
Are you using that workaround alone, or with the pm-suspend + quirks solutions
(shown in comment #15 and comment #34) ?