you may try drm-next or drm-intel-next from the mainline kernels ppa, but if those won't help then you'd better file a bug upstream at bugs.freedesktop.org (DRI -- drm/intel)
** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (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/1785912 Title: Screen flicker Intel UHD graphics 620 (rev 07) Lenovo Ideapad 720s 13IKB 81BV To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1785912/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp