3.16.7-ckt20 -stable review patch. If anyone has any objections, please let me
know.
------------------
From: Alex Deucher <alexander.deuc...@amd.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.daen...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
[ luis: backported to 3.16:
- change radeon_link_encoder_connector() instead of
radeon_encoder_add_backlight() ]
Signed-off-by: Luis Henriques <luis.henriq...@canonical.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 f35008cf0bc3..1ab0ce99aa9d 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 bd4959ca23aa..c8f3d2e898d5 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 c89971d904c3..25ee91682391 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;
--
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