linux-kernel - [PATCH 3.19.y-ckt 011/155] drm/radeon: move bl encoder assignment into bl init

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Message-Id: <1447370309-357-12-git-send-email-kamal@canonical.com>
Date:	Thu, 12 Nov 2015 15:16:05 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Alex Deucher <alexander.deucher@....com>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 011/155] drm/radeon: move bl encoder assignment into bl init

3.19.8-ckt10 -stable review patch.  If anyone has any objections, please let me know.

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

From: Alex Deucher <alexander.deucher@....com>

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@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 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 d8a5db2..d538ebb 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 3a29703..62f1b1c 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -194,7 +194,6 @@ static void radeon_encoder_add_backlight(struct radeon_encoder *radeon_encoder,
 			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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