Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756032AbaJCVnN (ORCPT ); Fri, 3 Oct 2014 17:43:13 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:44828 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755057AbaJCVcy (ORCPT ); Fri, 3 Oct 2014 17:32:54 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Scot Doyle , Tyler Cleveland , Jani Nikula , Daniel Vetter Subject: [PATCH 3.16 073/357] drm/i915: Ignore VBT backlight presence check on Acer C720 (4005U) Date: Fri, 3 Oct 2014 14:27:39 -0700 Message-Id: <20141003212935.678158689@linuxfoundation.org> X-Mailer: git-send-email 2.1.2 In-Reply-To: <20141003212933.458851516@linuxfoundation.org> References: <20141003212933.458851516@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Scot Doyle commit dfb3d47b2369ad752ab9f7438bbf9949524b46ae upstream. 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 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 Tested-by: Tyler Cleveland Cc: Jani Nikula Cc: Daniel Vetter Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/intel_display.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11690,6 +11690,9 @@ 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 }, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/