https://bugs.freedesktop.org/show_bug.cgi?id=76483
--- Comment #24 from Ben Skeggs <[email protected]> --- (In reply to comment #23) > Created attachment 102016 [details] > dmesg from garbled display Not sure if/why it's causing a garbled display, but I did spot one bug from the log that's causing link retraining when it's not needed: http://cgit.freedesktop.org/~darktama/nouveau/commit/?id=acc79e940a096657651980eb140176921a658e0c > > The interesting thing here is that I waited for the dpms timeout, and the > screen flashed and came back on more or less immediately, but clean. It's > as if something decided that the DPMS-off transition was "activity" and > turned the screen back on, properly this time. I don't think that's a > driver issue though. I hope this is just the monitor being really confused as a result of whatever went wrong before it. If it's not, your monitor is doing the wrong thing and it's going to cause it to immediately resume from a power off (we can work around the problem if it's necessary). But, in your log, your monitor is saying "help! i lost the link! retrain me!" in response to DP_SET_POWER_D3, which it is *explicitly* (according to the DP spec, and, well, common sense) not supposed to do. -- You are receiving this mail because: You are the assignee for the bug.
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