Stable team, please backport commit 7c2e017e32e1bc12e56760458568a166e1f13353 Author: Imre Deak <imre.deak@xxxxxxxxx> Date: Wed Nov 29 19:51:37 2017 +0200 drm/i915: Avoid PPS HW/SW state mismatch due to rounding to stable trees starting from v4.9 (it applies cleanly) to fix https://bugs.freedesktop.org/show_bug.cgi?id=104704 Thanks, Imre