** Description changed:

+ SRU justification:
+ 
+ Impact: Some laptops using Intel Sandybridge i915 will affect one white
+ line when resume from S3 suspend.
+ this is a critical bug for some of our OEM's
+ 
+ Fix: cherry-pick 520c41cf2fa029d1e8b923ac2026f96664f17c4b from upstream
+ 
  Summary:
  One white line flashes when opening the lid to resume from suspend
  
  Steps:
  
  1. Log into desktop
  2. Close the lid to enter suspend
  3. Put laptop there for some time and open the lid
  
  Expected results:
  System resumes to GUI login screen
  
  Actual results:
  There is black screen with one white line flashes before GUI login screen
  
  GPU: Intel HD Graphic [8086:0106]
  Model: Thinkpad M490s
  Manufacturer: LENOVO

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https://bugs.launchpad.net/bugs/1103856

Title:
  Lenovo M490s has a white line flashes in the middle of the screen,
  when resume from S3 suspend

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