[PATCH 3.13.y-ckt 90/96] drm/radeon: move bl encoder assignment into bl init

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3.13.11-ckt30 -stable review patch.  If anyone has any objections, please let me know.

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

From: Alex Deucher <alexander.deucher@xxxxxxx>

commit 4cee6a9057d5e13911f0cb6e143d11dc1a3245dd upstream.

So that the bl encoder will be null if the GPU does not
control the backlight.

Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
[ luis: backported to 3.16:
  - change radeon_link_encoder_connector() instead of
    radeon_encoder_add_backlight() ]
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/radeon/atombios_encoders.c      | 1 +
 drivers/gpu/drm/radeon/radeon_encoders.c        | 1 -
 drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index a3ab59a..e220554 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -236,6 +236,7 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder,
 	backlight_update_status(bd);
 
 	DRM_INFO("radeon atom DIG backlight initialized\n");
+	rdev->mode_info.bl_encoder = radeon_encoder;
 
 	return;
 
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index bd4959c..c8f3d2e8 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -179,7 +179,6 @@ radeon_link_encoder_connector(struct drm_device *dev)
 						radeon_atom_backlight_init(radeon_encoder, connector);
 					else
 						radeon_legacy_backlight_init(radeon_encoder, connector);
-					rdev->mode_info.bl_encoder = radeon_encoder;
 				}
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index c89971d..25ee916 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -441,6 +441,7 @@ void radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
 	backlight_update_status(bd);
 
 	DRM_INFO("radeon legacy LVDS backlight initialized\n");
+	rdev->mode_info.bl_encoder = radeon_encoder;
 
 	return;
 
-- 
1.9.1

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