[PATCH 14/23] drm/exynos: add plane update/disable callbacks for planes

[Andrzej Hajda <a.hajda@samsung.com>]

Display controllers in Exynos beside native planes/windows can use external
planes provided by other IPs - GSCALER, FIMD, VPP. To add support to them
we will need plane specific callbacks.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 6643db865500..5d06e796dc80 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -76,6 +76,12 @@ to_exynos_plane_state(struct drm_plane_state *state)
 #define EXYNOS_DRM_PLANE_CAP_PIX_BLEND	(1 << 4)
 #define EXYNOS_DRM_PLANE_CAP_WIN_BLEND	(1 << 5)
 
+struct exynos_drm_plane;
+struct exynos_drm_plane_ops {
+	void (*update_plane)(struct exynos_drm_plane *plane);
+	void (*disable_plane)(struct exynos_drm_plane *plane);
+};
+
 /*
  * Exynos drm common overlay structure.
  *
@@ -89,6 +95,7 @@ to_exynos_plane_state(struct drm_plane_state *state)
 
 struct exynos_drm_plane {
 	struct drm_plane base;
+	const struct exynos_drm_plane_ops *ops;
 	unsigned int index;
 	unsigned int capabilities;
 };
-- 
2.17.1

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