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-rw-r--r--include/drm/drm_plane_helper.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index c48f14d88690..a185392cafeb 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -49,6 +49,10 @@ extern int drm_crtc_init(struct drm_device *dev,
/**
* drm_plane_helper_funcs - helper operations for CRTCs
+ * @prepare_fb: prepare a framebuffer for use by the plane
+ * @cleanup_fb: cleanup a framebuffer when it's no longer used by the plane
+ * @atomic_check: check that a given atomic state is valid and can be applied
+ * @atomic_update: apply an atomic state to the plane
*
* The helper operations are called by the mid-layer CRTC helper.
*/
@@ -60,7 +64,8 @@ struct drm_plane_helper_funcs {
int (*atomic_check)(struct drm_plane *plane,
struct drm_plane_state *state);
- void (*atomic_update)(struct drm_plane *plane);
+ void (*atomic_update)(struct drm_plane *plane,
+ struct drm_plane_state *old_state);
};
static inline void drm_plane_helper_add(struct drm_plane *plane,