https://bugs.freedesktop.org/show_bug.cgi?id=70207
--- Comment #5 from David Heidelberger (okias) david.heidelberger@ixit.cz --- so bringing screen back fails somewhere on HW level?
in console: * driver set output=on, hw=on * result: output=on and hw=off stay in X.org: * driver set output=on, hw=on * result: output=on and hw=on thanks to ? (some delay needed to resurrect lvds? or trigger additional register?)