From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from youngberry.canonical.com ([91.189.89.112]:35655 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752551AbcAPACj (ORCPT ); Fri, 15 Jan 2016 19:02:39 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Jani Nikula , Kamal Mostafa Subject: [PATCH 4.2.y-ckt 016/305] drm/i915: quirk backlight present on Macbook 4, 1 Date: Fri, 15 Jan 2016 15:57:10 -0800 Message-Id: <1452902519-2754-17-git-send-email-kamal@canonical.com> In-Reply-To: <1452902519-2754-1-git-send-email-kamal@canonical.com> References: <1452902519-2754-1-git-send-email-kamal@canonical.com> Sender: stable-owner@vger.kernel.org List-ID: 4.2.8-ckt2 -stable review patch. If anyone has any objections, please let me know. ---8<------------------------------------------------------------ From: Jani Nikula commit 1b9448b071caa7d10bb2569fabe3020a2c25ae59 upstream. Unsurprisingly macbooks have backlights, just the VBT doesn't seem to know it in this case. Reported-and-tested-by: Daniel Nicoletti Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88325 Fixes: c675949ec58c ("drm/i915: do not setup backlight if not available according to VBT") Reviewed-by: Ander Conselvan de Oliveira Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1446716999-1796-1-git-send-email-jani.nikula@intel.com Signed-off-by: Kamal Mostafa --- drivers/gpu/drm/i915/intel_display.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 8a6da7f..375ded3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -14584,6 +14584,9 @@ static struct intel_quirk intel_quirks[] = { /* Apple Macbook 2,1 (Core 2 T7400) */ { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, + /* Apple Macbook 4,1 */ + { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present }, + /* Toshiba CB35 Chromebook (Celeron 2955U) */ { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, -- 1.9.1