[Bug 86268] [BSW Bisected] eDP goes black after running tesdisplay

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86268

Yi Sun <yi.sun at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #15 from Yi Sun <yi.sun at intel.com> ---
(In reply to Ville Syrjala from comment #12)
> (In reply to Li Xu from comment #10)
> > I finished the bisect, the result is following:
> > baa4e575d6a18dcd6f2e622784aa16ab24024f09 is the first bad commit
> > commit baa4e575d6a18dcd6f2e622784aa16ab24024f09
> > Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > Date:   Mon Oct 27 16:07:32 2014 +0200
> > 
> >     drm/i915: Enable pipe-a power well on chv
> 
> The problems caused by that commit should be fixed by:
> 
> commit afd6275dd12381a7bd3750c125b3b68b5f8b03ca
> Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Date:   Thu Oct 30 19:43:03 2014 +0200
> 
>     drm/i915: Reinit display irqs and hpd from chv pipe-a power well

The black screen issue is gone. Verified.

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