Xorg has not managed the power settings for quite some time. Since the kernel interface apparently works, it doesn't sound like a drm driver bug. The kernel doesn't persist its settings, that's gnome's job. Bumping bug to the g-p-m queue.
** Package changed: xserver-xorg-video-intel (Ubuntu) => gnome-power-manager (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/954661 Title: backlight brightness not adjustable by default on Dell XPS 13 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/954661/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
