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[3.19.y-ckt,stable] Patch "drm/i915: quirk backlight present on Macbook 4, 1" has been added to staging queue

Message ID 1450133230-8442-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Dec. 14, 2015, 10:47 p.m. UTC
This is a note to let you know that I have just added a patch titled

    drm/i915: quirk backlight present on Macbook 4, 1

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt12.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 27009906c5a13d81bb4eaa255960740fdec413a6 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Thu, 5 Nov 2015 11:49:59 +0200
Subject: drm/i915: quirk backlight present on Macbook 4, 1

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 <dantti12@gmail.com>
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 <conselvan2@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446716999-1796-1-git-send-email-jani.nikula@intel.com
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/i915/intel_display.c | 3 +++
 1 file changed, 3 insertions(+)

--
1.9.1
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Patch

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ca0ec27..48a19dc 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13025,6 +13025,9 @@  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 },