drm_simple_display_pipe_init() pretendes to attach a connector
to the display pipe.
In case a drm bridge has to be used, then it's the bridge that
takes care of connectors.
This patch makes the connector parameter optional for
drm_simple_display_pipe_init(), so that a drm bridge could
handle connector by itslef later.
Signed-off-by: Andrea Merello <andrea.merello@xxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c
index 0a02efe..3a48c7c 100644
--- a/drivers/gpu/drm/drm_simple_kms_helper.c
+++ b/drivers/gpu/drm/drm_simple_kms_helper.c
@@ -139,7 +139,7 @@ static const struct drm_plane_funcs drm_simple_kms_plane_funcs = {
* @funcs: callbacks for the display pipe (optional)
* @formats: array of supported formats (%DRM_FORMAT_*)
* @format_count: number of elements in @formats
- * @connector: connector to attach and register
+ * @connector: connector to attach and register (optional)
*
* Sets up a display pipeline which consist of a really simple
* plane-crtc-encoder pipe coupled with the provided connector.
@@ -181,7 +181,7 @@ int drm_simple_display_pipe_init(struct drm_device *dev,
encoder->possible_crtcs = 1 << drm_crtc_index(crtc);
ret = drm_encoder_init(dev, encoder, &drm_simple_kms_encoder_funcs,
DRM_MODE_ENCODER_NONE, NULL);
- if (ret)
+ if (ret || !connector)
return ret;
return drm_mode_connector_attach_encoder(connector, encoder);
--
2.7.4
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