drm/armada: remove unnecessary armada_plane structure

We no longer require a private armada_plane structure, so eliminate
it, and use the drm_plane structure directly.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

drivers/gpu/drm/armada/armada_crtc.c

@@ -723,7 +723,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
 {
 	struct armada_private *priv = drm->dev_private;
 	struct armada_crtc *dcrtc;
-	struct armada_plane *primary;
+	struct drm_plane *primary;
 	void __iomem *base;
 	int ret;
 
@@ -793,7 +793,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
 		goto err_crtc;
 	}
 
-	ret = drm_crtc_init_with_planes(drm, &dcrtc->crtc, &primary->base, NULL,
+	ret = drm_crtc_init_with_planes(drm, &dcrtc->crtc, primary, NULL,
 					&armada_crtc_funcs, NULL);
 	if (ret)
 		goto err_crtc_init;
@@ -803,7 +803,7 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev,
 	return armada_overlay_plane_create(drm, 1 << dcrtc->num);
 
 err_crtc_init:
-	primary->base.funcs->destroy(&primary->base);
+	primary->funcs->destroy(primary);
 err_crtc:
 	kfree(dcrtc);
 

drivers/gpu/drm/armada/armada_crtc.h

@@ -32,15 +32,8 @@ struct armada_regs {
 	armada_reg_queue_mod(_r, _i, 0, 0, ~0)
 
 struct armada_crtc;
-struct armada_plane;
 struct armada_variant;
 
-struct armada_plane {
-	struct drm_plane	base;
-	wait_queue_head_t	frame_wait;
-};
-#define drm_to_armada_plane(p) container_of(p, struct armada_plane, base)
-
 struct armada_crtc {
 	struct drm_crtc		crtc;
 	const struct armada_variant *variant;

drivers/gpu/drm/armada/armada_plane.c

@@ -271,25 +271,14 @@ static const struct drm_plane_funcs armada_primary_plane_funcs = {
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 };
 
-int armada_drm_plane_init(struct armada_plane *plane)
-{
-	init_waitqueue_head(&plane->frame_wait);
-	return 0;
-}
-
 int armada_drm_primary_plane_init(struct drm_device *drm,
-	struct armada_plane *primary)
+	struct drm_plane *primary)
 {
 	int ret;
 
-	ret = armada_drm_plane_init(primary);
-	if (ret)
-		return ret;
-
-	drm_plane_helper_add(&primary->base,
-			     &armada_primary_plane_helper_funcs);
+	drm_plane_helper_add(primary, &armada_primary_plane_helper_funcs);
 
-	ret = drm_universal_plane_init(drm, &primary->base, 0,
+	ret = drm_universal_plane_init(drm, primary, 0,
 				       &armada_primary_plane_funcs,
 				       armada_primary_formats,
 				       ARRAY_SIZE(armada_primary_formats),

drivers/gpu/drm/armada/armada_plane.h

@@ -9,8 +9,7 @@ void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
 	struct drm_plane_state *old_state);
 int armada_drm_plane_atomic_check(struct drm_plane *plane,
 	struct drm_plane_state *state);
-int armada_drm_plane_init(struct armada_plane *plane);
 int armada_drm_primary_plane_init(struct drm_device *drm,
-	struct armada_plane *primary);
+	struct drm_plane *primary);
 
 #endif