Looks like I'm not the only one: https://bugs.freedesktop.org/show_bug.cgi?id=104300.
And, interestingly enough, running 4.15 with amdgpu.dc=0 makes this issue happen, but not 100% of the time (had it work correctly when waking computer from sleep, but have a problem when only the monitors went to sleep and the computer was on). So whatever amdgpu changes were made between 4.14 and 4.15, introduce this issue a bit even on the non- DC code path. ** Bug watch added: freedesktop.org Bugzilla #104300 https://bugs.freedesktop.org/show_bug.cgi?id=104300 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1770836 Title: amdgpu+xorg possibly marks displays as off while they wake from sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1770836/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
