drm: rcar-du: Replace plane crtc and enabled fields by plane state

The crtc and enabled fields duplicates information stored in the plane
state. Use the plane state instead and remove the fields.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

drivers/gpu/drm/rcar-du/rcar_du_crtc.c

@@ -212,7 +212,7 @@ static void rcar_du_crtc_update_planes(struct drm_crtc *crtc)
 		struct rcar_du_plane *plane = &rcrtc->group->planes.planes[i];
 		unsigned int j;
 
-		if (plane->crtc != &rcrtc->crtc || !plane->enabled)
+		if (plane->plane.state->crtc != &rcrtc->crtc)
 			continue;
 
 		/* Insert the plane in the sorted planes array. */
@@ -379,7 +379,7 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc)
 	for (i = 0; i < ARRAY_SIZE(rcrtc->group->planes.planes); ++i) {
 		struct rcar_du_plane *plane = &rcrtc->group->planes.planes[i];
 
-		if (plane->crtc != crtc || !plane->enabled)
+		if (plane->plane.state->crtc != crtc)
 			continue;
 
 		rcar_du_plane_setup(plane);
@@ -608,8 +608,6 @@ int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int index)
 	rcrtc->enabled = false;
 	rcrtc->plane = &rgrp->planes.planes[index % 2];
 
-	rcrtc->plane->crtc = crtc;
-
 	ret = drm_crtc_init_with_planes(rcdu->ddev, crtc, &rcrtc->plane->plane,
 					NULL, &crtc_funcs);
 	if (ret < 0)

drivers/gpu/drm/rcar-du/rcar_du_plane.c

@@ -140,7 +140,8 @@ static void rcar_du_plane_setup_fb(struct rcar_du_plane *plane)
 	bool interlaced;
 	u32 mwr;
 
-	interlaced = plane->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE;
+	interlaced = plane->plane.state->crtc->state->adjusted_mode.flags
+		   & DRM_MODE_FLAG_INTERLACE;
 
 	/* Memory pitch (expressed in pixels). Must be doubled for interlaced
 	 * operation with 32bpp formats.
@@ -354,16 +355,11 @@ static int rcar_du_plane_atomic_check(struct drm_plane *plane,
 
 static void rcar_du_plane_disable(struct rcar_du_plane *rplane)
 {
-	if (!rplane->enabled)
+	if (!rplane->plane.state->crtc)
 		return;
 
-	mutex_lock(&rplane->group->planes.lock);
-	rplane->enabled = false;
-	mutex_unlock(&rplane->group->planes.lock);
-
 	rcar_du_plane_release(rplane);
 
-	rplane->crtc = NULL;
 	rplane->format = NULL;
 }
 
@@ -391,14 +387,9 @@ static void rcar_du_plane_atomic_update(struct drm_plane *plane,
 		rcar_du_plane_reserve(rplane, format);
 	}
 
-	rplane->crtc = state->crtc;
 	rplane->format = format;
 
 	rcar_du_plane_setup(rplane);
-
-	mutex_lock(&rplane->group->planes.lock);
-	rplane->enabled = true;
-	mutex_unlock(&rplane->group->planes.lock);
 }
 
 static const struct drm_plane_helper_funcs rcar_du_plane_helper_funcs = {

drivers/gpu/drm/rcar-du/rcar_du_plane.h

@@ -34,9 +34,6 @@ struct rcar_du_plane {
 	struct drm_plane plane;
 
 	struct rcar_du_group *group;
-	struct drm_crtc *crtc;
-
-	bool enabled;
 
 	int hwindex;		/* 0-based, -1 means unused */