[Bug 62275] [HSW 3.8.2 regression] After running testdisplay with only eDP, screen turn to black and can't light up again

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=62275

shui yangwei <yangweix.shui at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |VERIFIED

--- Comment #7 from shui yangwei <yangweix.shui at intel.com> ---
(In reply to comment #6)
> We've reverted the offending patch in upstream, and that should have reached
> -stable kernels in 3.8.5 as
> 
> commit 0e7a2fe01333f72c1cec1cd4d5293a62c770fa4f
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Fri Mar 22 15:44:46 2013 +0100
> 
>     Revert "drm/i915: write backlight harder
> 
> Upstream commit in 3.9-rc is:
> 
> commit b1289371fcd580b4c412e6d05c4cb8ac8d277239
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Fri Mar 22 15:44:46 2013 +0100
> 
>     Revert "drm/i915: write backlight harder"

3.8.5 is good, I verified it here.

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