Comment 11 for bug 1723619

Then it's highly likely that the culprit is one of the following commits:

$ git log --pretty=oneline v4.13-rc2..v4.13-rc3 drivers/gpu/drm | grep -E 'dp|nouveau'
38bcb208f60924a031b9f809f7cd252ea4a94e5f drm/nouveau/bar/gf100: fix access to upper half of BAR2
a90e049cacd965dade4dae7263b4d3fd550e78b6 drm/nouveau/disp/nv50-: bump max chans to 21
746c842d1f64caad81d82f0054c0e063c8aa5399 drm/nouveau/kms: remove call to drm_crtc_vblank_off() during unload/suspend
4a5431af19bc52c4dd491e989543c66a52380f00 drm/nouveau/kms/nv50: update vblank state in response to modeset actions
587f577e0beb4d20ee60bac8d21134b4c5a9fd29 drm/nouveau/disp: add tv encoders to output resource mapping
13a86519202c5d119d83640d6f781f3181205d2c drm/nouveau/i2c/gf119-: add support for address-only transactions
967003bb2cae121d345fd807eb757d9422229713 drm/dp: Don't trust drm_dp_downstream_id()
c11a93f5fd9229dc7c8b90570c75cf70bc3976c2 drm/dp: Fix read pointer for drm_dp_downsteam_debug()