linux-kernel - [PATCH 3.11 025/272] drm/radeon: hook up backlight functions for CI and KV family.

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Message-Id: <1386334761-25517-26-git-send-email-luis.henriques@canonical.com>
Date:	Fri,  6 Dec 2013 12:55:14 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Samuel Li <samuel.li@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.11 025/272] drm/radeon: hook up backlight functions for CI and KV family.

3.11.10.1 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Samuel Li <samuel.li@....com>

commit 7272c9d2286525d4c6bce788243cf2b6f306d15c upstream.

Fixes crashes when handling atif events due to the lack of a
callback being registered.

Signed-off-by: Samuel Li <samuel.li@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/gpu/drm/radeon/radeon_asic.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 8e5438e..1000a70 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2423,6 +2423,8 @@ static struct radeon_asic ci_asic = {
 		.bandwidth_update = &dce8_bandwidth_update,
 		.get_vblank_counter = &evergreen_get_vblank_counter,
 		.wait_for_vblank = &dce4_wait_for_vblank,
+		.set_backlight_level = &atombios_set_backlight_level,
+		.get_backlight_level = &atombios_get_backlight_level,
 	},
 	.copy = {
 		.blit = NULL,
@@ -2578,6 +2580,8 @@ static struct radeon_asic kv_asic = {
 		.bandwidth_update = &dce8_bandwidth_update,
 		.get_vblank_counter = &evergreen_get_vblank_counter,
 		.wait_for_vblank = &dce4_wait_for_vblank,
+		.set_backlight_level = &atombios_set_backlight_level,
+		.get_backlight_level = &atombios_get_backlight_level,
 	},
 	.copy = {
 		.blit = NULL,
-- 
1.8.3.2

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