Well, as reported in the upstream bug, they tend to think that the cause is in xorg: after hitting any keyboard key another randr event is fired, so displays get reconfigured and I see the lag + flicker.
Well, as reported in the upstream bug, they tend to think that the
cause is in xorg: after hitting any keyboard key another randr event
is fired, so displays get reconfigured and I see the lag + flicker.