anthonyfieroni added a comment.
Isn't there. https://phabricator.kde.org/source/powerdevil/browse/master/daemon/backends/upower/xrandrbrightness.cpp$160 You can investigate on what backend it's used for you and it may set value only one output not to all. REPOSITORY R122 Powerdevil REVISION DETAIL https://phabricator.kde.org/D16918 To: anthonyfieroni, #plasma, broulik, mart Cc: thsurrel, broulik, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart