drm: Drop plane argument from __drm_atomic_helper_plane_destroy_state

It's unused, and really this helper should only look at the state
structure and nothing else.

v2: Fix commit message (Laurent).

v3: Rebase onto mtk driver merge.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462804451-15318-2-git-send-email-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_atomic_helper.c

@@ -2636,7 +2636,7 @@ EXPORT_SYMBOL(drm_atomic_helper_crtc_destroy_state);
 void drm_atomic_helper_plane_reset(struct drm_plane *plane)
 {
 	if (plane->state)
-		__drm_atomic_helper_plane_destroy_state(plane, plane->state);
+		__drm_atomic_helper_plane_destroy_state(plane->state);
 
 	kfree(plane->state);
 	plane->state = kzalloc(sizeof(*plane->state), GFP_KERNEL);
@@ -2691,15 +2691,13 @@ EXPORT_SYMBOL(drm_atomic_helper_plane_duplicate_state);
 
 /**
  * __drm_atomic_helper_plane_destroy_state - release plane state
- * @plane: plane object
  * @state: plane state object to release
  *
  * Releases all resources stored in the plane state without actually freeing
  * the memory of the plane state. This is useful for drivers that subclass the
  * plane state.
  */
-void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
-					     struct drm_plane_state *state)
+void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state)
 {
 	if (state->fb)
 		drm_framebuffer_unreference(state->fb);
@@ -2717,7 +2715,7 @@ EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state);
 void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
 					   struct drm_plane_state *state)
 {
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 	kfree(state);
 }
 EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);

drivers/gpu/drm/exynos/exynos_drm_plane.c

@@ -166,7 +166,7 @@ static void exynos_drm_plane_destroy_state(struct drm_plane *plane,
 {
 	struct exynos_drm_plane_state *old_exynos_state =
 					to_exynos_plane_state(old_state);
-	__drm_atomic_helper_plane_destroy_state(plane, old_state);
+	__drm_atomic_helper_plane_destroy_state(old_state);
 	kfree(old_exynos_state);
 }
 

drivers/gpu/drm/mediatek/mtk_drm_plane.c

@@ -116,7 +116,7 @@ static struct drm_plane_state *mtk_plane_duplicate_state(struct drm_plane *plane
 static void mtk_drm_plane_destroy_state(struct drm_plane *plane,
 					struct drm_plane_state *state)
 {
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 	kfree(to_mtk_plane_state(state));
 }
 

drivers/gpu/drm/omapdrm/omap_plane.c

@@ -245,7 +245,7 @@ omap_plane_atomic_duplicate_state(struct drm_plane *plane)
 static void omap_plane_atomic_destroy_state(struct drm_plane *plane,
 					    struct drm_plane_state *state)
 {
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 	kfree(to_omap_plane_state(state));
 }
 

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

@@ -635,7 +635,7 @@ rcar_du_plane_atomic_duplicate_state(struct drm_plane *plane)
 static void rcar_du_plane_atomic_destroy_state(struct drm_plane *plane,
 					       struct drm_plane_state *state)
 {
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 	kfree(to_rcar_plane_state(state));
 }
 

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

@@ -251,7 +251,7 @@ rcar_du_vsp_plane_atomic_duplicate_state(struct drm_plane *plane)
 static void rcar_du_vsp_plane_atomic_destroy_state(struct drm_plane *plane,
 						   struct drm_plane_state *state)
 {
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 	kfree(to_rcar_vsp_plane_state(state));
 }
 

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

@@ -822,7 +822,7 @@ static void vop_atomic_plane_destroy_state(struct drm_plane *plane,
 {
 	struct vop_plane_state *vop_state = to_vop_plane_state(state);
 
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 
 	kfree(vop_state);
 }

drivers/gpu/drm/tegra/dc.c

@@ -434,7 +434,7 @@ static void tegra_plane_reset(struct drm_plane *plane)
 	struct tegra_plane_state *state;
 
 	if (plane->state)
-		__drm_atomic_helper_plane_destroy_state(plane, plane->state);
+		__drm_atomic_helper_plane_destroy_state(plane->state);
 
 	kfree(plane->state);
 	plane->state = NULL;
@@ -466,7 +466,7 @@ static struct drm_plane_state *tegra_plane_atomic_duplicate_state(struct drm_pla
 static void tegra_plane_atomic_destroy_state(struct drm_plane *plane,
 					     struct drm_plane_state *state)
 {
-	__drm_atomic_helper_plane_destroy_state(plane, state);
+	__drm_atomic_helper_plane_destroy_state(state);
 	kfree(state);
 }
 

drivers/gpu/drm/vc4/vc4_plane.c

@@ -208,7 +208,7 @@ static void vc4_plane_destroy_state(struct drm_plane *plane,
 	}
 
 	kfree(vc4_state->dlist);
-	__drm_atomic_helper_plane_destroy_state(plane, &vc4_state->base);
+	__drm_atomic_helper_plane_destroy_state(&vc4_state->base);
 	kfree(state);
 }
 

include/drm/drm_atomic_helper.h

@@ -128,8 +128,7 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
 					       struct drm_plane_state *state);
 struct drm_plane_state *
 drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane);
-void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
-					     struct drm_plane_state *state);
+void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state);
 void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
 					  struct drm_plane_state *state);