Thanks for the bug report. Please run: sudo apt install drm-info drm_info > drminfo.txt
and then attach the resulting text file here. Do you also find the Night Light feature in 'Settings > Screen Display' is nonfunctional? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1928294 Title: gamma adjustment not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1928294/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
