McPain added a comment.
I noticed that "shutdown" sequence is not the same as "standby" one. Shutdown for secondary: disconnect -> remove crtc -> connect -> assign crtc Standby for secondary: disconnect -> connect (why?) -> remove crtc -> assign crtc REPOSITORY R110 KScreen Library REVISION DETAIL https://phabricator.kde.org/D9506 To: McPain, sebas, drosca Cc: zerg, anthonyfieroni, ngraham, plasma-devel, ZrenBot, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart