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-X, which is subscribed to xorg in 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 _______________________________________________ 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
