drm/radeon: move bl encoder assignment into bl init

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@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index ec0f5f68bb6ca9f36368718f210496044b4dff4f..bb292143997ee8ccce3e6e6898edba2a5eeb12b6 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -237,6 +237,7 @@ 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 ef99917f000d96a7dcf3fc88f089bdf08e0afc28..c6ee80216cf4a71f510bf239fc4fdf6f67235f48 100644 (file)
--- 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 45715307db7177a9af7393a697d255c8ed277344..30de43366eae806d0afd45192ce9da032c08490c 100644 (file)
--- 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;