Created attachment 117654 [details]
dmesg with warnings
No ill effects but I see some WARNINGS after mem sleep with drm-next-4.3-wip. I don't see them with 4.2 fixes.
WARNING: CPU: 0 PID: 558 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x83/0x90 [drm_kms_helper]()
Workqueue: events_unbound async_run_entry_fn
Haven't seen this for some time now.