drm/i915: Ignore VBT backlight presence check on Acer C720 (4005U)

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commit dfb3d47b23 upstream.

commit c675949ec5
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Wed Apr 9 11:31:37 2014 +0300

    drm/i915: do not setup backlight if not available according to VBT

prevents backlight setup on the Acer C720 (Core i3 4005U CPU), which has a
misconfigured VBT. Apply quirk to ignore the VBT backlight presence check
during backlight setup.

Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Tested-by: Tyler Cleveland <siralucardt@openmailbox.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Scot Doyle 2014-08-21 16:08:02 +00:00 • committed by Greg Kroah-Hartman

parent d5af5eab57

commit 3149c916e4

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/i915/intel_display.c

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