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authorScot Doyle <lkml14@scotdoyle.com>2014-08-21 16:08:02 +0000
committerJani Nikula <jani.nikula@intel.com>2014-08-26 14:55:10 +0300
commitdfb3d47b2369ad752ab9f7438bbf9949524b46ae (patch)
tree70aa59538d824590d4e9f0df4f5a2517ee6c1afd
parent52addcf9d6669fa439387610bc65c92fa0980cef (diff)
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drm/i915: Ignore VBT backlight presence check on Acer C720 (4005U)
commit c675949ec58ca50d5a3ae3c757892f1560f6e896 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> Cc: stable@vger.kernel.org (3.15+) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
-rw-r--r--drivers/gpu/drm/i915/intel_display.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d074d704f458..625f29d29577 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12481,6 +12481,9 @@ static struct intel_quirk intel_quirks[] = {
/* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
{ 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
+ /* Acer C720 Chromebook (Core i3 4005U) */
+ { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
+
/* Toshiba CB35 Chromebook (Celeron 2955U) */
{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },