Comment # 8 on bug 93471 from Michel Dänzer

(In reply to Malte from comment #7)
> I used the source from Debian, added the source of the mentioned patch and
> build a new .deb packet. Now
> xrandr --output HDMI-0 --off
> reduces power as expected, thanks for pointing to the patch :)

No worries, thanks for testing. Resolving this report as fixed.


> But the question remains if it is possible to get the lower power
> consumption even with two screens (showing the same picture).

If both screens are using HDMI connections and the exact same timings, using
the same CRTC for both may work.