Stable team, please backport commits 6e3322c226f1 ("drm/i915/cnp: Properly handle VBT ddc pin out of bounds.") f24c606c21a8 ("drm/i915/cnp: Ignore VBT request for know invalid DDC pin.") to v4.15. Thanks, Jani. References: https://bugs.freedesktop.org/show_bug.cgi?id=104139 References: http://mid.mail-archive.com/4c930511-ea7d-e91a-b492-8943980549e4@xxxxxxxxxx -- Jani Nikula, Intel Open Source Technology Center