Hi,I got the same issue on my i915 notebook (Dell E7450) and I had to boot on previous kernel (linux-image-4.9.0-3-amd64)
This bug report seems the same and suggest a tested revert on commit 7de694782cbe7840f2c0de6f1e70f41fc1b8b6e8 :
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=884061 Thanks, Adrien
