Yes, it looks Lenovo bios guys fixed the issue
Version 2.18
(New) Enabled Refresh rate 2x feature.
(Fix) Fixed an issue related to S3 resume failure on Ubuntu.
that is copied from http://support.lenovo.com/us/en/products/laptops-
and-netbooks/thinkpad-edge-laptops/thinkpad-edge-e540/downloads/DS037208
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https://bugs.launchpad.net/bugs/1331077
Title:
[Lenovo ThinkPad Edge E540] suspend/resume failure
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