commit 4cee6a9057d5e13911f0cb6e143d11dc1a3245dd
author Alex Deucher <alexander.deucher@amd.com> Wed Oct 28 14:26:32 2015 -0400
committer Alex Deucher <alexander.deucher@amd.com> Thu Oct 29 11:13:18 2015 -0400
tree cf0963aea967bc088d24746f5968a2e307dce70a
parent 22ca7ca52e80524360b43944a0556b2a6dc1aa21

drm/radeon: move bl encoder assignment into bl init

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

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drivers/gpu/drm/radeon/radeon_legacy_encoders.c

diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 4571530..30de433 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -441,6 +441,7 @@
 	backlight_update_status(bd);
 
 	DRM_INFO("radeon legacy LVDS backlight initialized\n");
+	rdev->mode_info.bl_encoder = radeon_encoder;
 
 	return;