[PATCH v2 08/21] drm/msm: Use drm_attach_bridge() to attach a bridge to an encoder

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This is part of our attempt to make the bridge chain a double-linked
list based on the generic list helpers. In order to do that, we must
patch all drivers manipulating the encoder->bridge field directly.

Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
Changes in v2:
* Add Laurent and Sam R-b (waiting for a R-b from a drm/msm maintainer
  now)
---
 drivers/gpu/drm/msm/edp/edp.c   | 4 +++-
 drivers/gpu/drm/msm/hdmi/hdmi.c | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/edp/edp.c b/drivers/gpu/drm/msm/edp/edp.c
index b54559a79d36..ad4e963ccd9b 100644
--- a/drivers/gpu/drm/msm/edp/edp.c
+++ b/drivers/gpu/drm/msm/edp/edp.c
@@ -178,7 +178,9 @@ int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev,
 		goto fail;
 	}
 
-	encoder->bridge.next = edp->bridge;
+	ret = drm_bridge_attach(encoder, edp->bridge, NULL);
+	if (ret)
+		goto fail;
 
 	priv->bridges[priv->num_bridges++]       = edp->bridge;
 	priv->connectors[priv->num_connectors++] = edp->connector;
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 9d94a88dd8d6..55b9a8c8312b 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -327,7 +327,9 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
 		goto fail;
 	}
 
-	encoder->bridge.next = hdmi->bridge;
+	ret = drm_bridge_attach(encoder, hdmi->bridge, NULL);
+	if (ret)
+		goto fail;
 
 	priv->bridges[priv->num_bridges++]       = hdmi->bridge;
 	priv->connectors[priv->num_connectors++] = hdmi->connector;
-- 
2.21.0

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