[Bug 43577] [SNB] KMS with intel sandy bridge video sets brightness to zero.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43577

--- Comment #43 from Jani Nikula <jani.nikula at intel.com> ---
Created attachment 71276
  --> https://bugs.freedesktop.org/attachment.cgi?id=71276&action=edit
drm/i915: set the BIOS current backlight level

It's a long shot, but could you try the attached patch? It's on top of
drm-intel-next-queued, but might apply on Linus' master too. It just might help
with the BIOS <-> driver co-operation here.

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