Also there is one more thing weird. Before I fresh install the 19.10 beta,I used Ubuntu 19.04 which was upgraded from 18.04.There was same issue at first when I fresh installed 18.04,but then it's gone after upgrading to 19.04.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848360 Title: [AMD Raven Ridge] Screen always returns to full brightness after wake up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1848360/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs