[Bug 67950] [ivb regression][bisect] 3.10: i915 blanks eDP panel when CSM is disabled in UEFI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67950

--- Comment #13 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #12)
> Yes, as I wonder if this is something like 
> 
> commit fd4daa9cea025ddf8623db289e79d264e9fa66f6
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Tue Aug 27 17:04:17 2013 +0100
> 
>     drm/i915: Track pfit enable state separately from size
> 
> instead of the usual issues.

Chris, the VBT reports different bpp for CSM vs. no-CSM. One works, the other
doesn't. How would that commit be relevant here?

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