From: jens stein Date: Tue, 28 Oct 2014 19:25:53 +0000 (+0100) Subject: drm/i915: Ignore VBT backlight check on Macbook 2, 1 X-Git-Tag: firefly_0821_release~176^2~2924^2~3^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b2a9601c587dbc5536546aa54009d1130adedd72;p=firefly-linux-kernel-4.4.55.git drm/i915: Ignore VBT backlight check on Macbook 2, 1 commit c675949ec58ca50d5a3ae3c757892f1560f6e896 Author: Jani Nikula 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 Macbook 2,1. Apply quirk to ignore the VBT check so backlight is set up properly. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81438 Signed-off-by: Jens Stein Jørgensen Cc: stable@vger.kernel.org (3.15+) Signed-off-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 07ff29589d37..f0a1a56406eb 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12885,6 +12885,9 @@ static struct intel_quirk intel_quirks[] = { /* Acer C720 Chromebook (Core i3 4005U) */ { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, + /* Apple Macbook 2,1 (Core 2 T7400) */ + { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, + /* Toshiba CB35 Chromebook (Celeron 2955U) */ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },