[PATCH 20/22] drm/encoder: Add of_graph port to struct drm_encoder

Sascha Hauer s.hauer at pengutronix.de
Mon Dec 20 03:06:28 PST 2021


Add a device node to drm_encoder which corresponds with the port node
in the DT description of the encoder. This allows drivers to find the
of_graph link between a crtc and an encoder.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 include/drm/drm_encoder.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h
index 6e91a0280f31b..3acd054b1eb3e 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -99,6 +99,8 @@ struct drm_encoder {
 	struct drm_device *dev;
 	struct list_head head;
 
+	struct device_node *port;
+
 	struct drm_mode_object base;
 	char *name;
 	/**
-- 
2.30.2




More information about the linux-arm-kernel mailing list