[PATCH 07/10] drm: rcar-du: Use __drm_atomic_helper_plane_reset instead of copying the logic

[Alexandru Gheorghe <alexandru-cosmin.gheorghe@xxxxxxx>]

Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@xxxxxxx>
---
 drivers/gpu/drm/rcar-du/rcar_du_plane.c | 4 +---
 drivers/gpu/drm/rcar-du/rcar_du_vsp.c   | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index c20f7ed48c8d..19a9d5f6db1c 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -689,15 +689,13 @@ static void rcar_du_plane_reset(struct drm_plane *plane)
 	state = kzalloc(sizeof(*state), GFP_KERNEL);
 	if (state == NULL)
 		return;
+	__drm_atomic_helper_plane_reset(plane, &state->state);
 
 	state->hwindex = -1;
 	state->source = RCAR_DU_PLANE_MEMORY;
 	state->colorkey = RCAR_DU_COLORKEY_NONE;
 	state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
 
-	plane->state = &state->state;
-	plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
-	plane->state->plane = plane;
 }
 
 static int rcar_du_plane_atomic_set_property(struct drm_plane *plane,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index 72eebeda518e..0a0aa490f805 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -346,11 +346,9 @@ static void rcar_du_vsp_plane_reset(struct drm_plane *plane)
 	if (state == NULL)
 		return;
 
-	state->state.alpha = DRM_BLEND_ALPHA_OPAQUE;
+	__drm_atomic_helper_plane_reset(plane, &state->state);
 	state->state.zpos = plane->type == DRM_PLANE_TYPE_PRIMARY ? 0 : 1;
 
-	plane->state = &state->state;
-	plane->state->plane = plane;
 }
 
 static const struct drm_plane_funcs rcar_du_vsp_plane_funcs = {
-- 
2.18.0

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