drm: rcar-du: Switch plane set_property to atomic helpers

Allow setting up plane properties atomically using the plane
set_property atomic helper. The properties are now stored in the plane
state (requiring subclassing it) and applied when updating the planes.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

1 files changed, 14 insertions, 3 deletions

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
index 9b77a638863f..d291e85896ef 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h
@@ -39,9 +39,6 @@ struct rcar_du_plane {
 	bool enabled;
 
 	int hwindex;		/* 0-based, -1 means unused */
-	unsigned int alpha;
-	unsigned int colorkey;
-	unsigned int zpos;
 
 	const struct rcar_du_format_info *format;
 
@@ -59,6 +56,20 @@ struct rcar_du_planes {
 	struct drm_property *zpos;
 };
 
+struct rcar_du_plane_state {
+	struct drm_plane_state state;
+
+	unsigned int alpha;
+	unsigned int colorkey;
+	unsigned int zpos;
+};
+
+static inline struct rcar_du_plane_state *
+to_rcar_du_plane_state(struct drm_plane_state *state)
+{
+	return container_of(state, struct rcar_du_plane_state, state);
+}
+
 int rcar_du_planes_init(struct rcar_du_group *rgrp);
 
 void rcar_du_plane_setup(struct rcar_du_plane *plane);