3 files changed, 53 insertions, 3 deletions

diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index cfb7be40bed7..8f3602811eb5 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -49,6 +49,8 @@
  */
 
 enum mode_set_atomic;
+struct drm_writeback_connector;
+struct drm_writeback_job;
 
 /**
  * struct drm_crtc_helper_funcs - helper operations for CRTCs
@@ -989,6 +991,11 @@ struct drm_connector_helper_funcs {
 	 */
 	void (*atomic_commit)(struct drm_connector *connector,
 			      struct drm_connector_state *state);
+
+	int (*prepare_writeback_job)(struct drm_writeback_connector *connector,
+				     struct drm_writeback_job *job);
+	void (*cleanup_writeback_job)(struct drm_writeback_connector *connector,
+				      struct drm_writeback_job *job);
 };
 
 /**
diff --git a/include/drm/drm_writeback.h b/include/drm/drm_writeback.h
index 23df9d463003..777c14c847f0 100644
--- a/include/drm/drm_writeback.h
+++ b/include/drm/drm_writeback.h
@@ -80,6 +80,20 @@ struct drm_writeback_connector {
 
 struct drm_writeback_job {
 	/**
+	 * @connector:
+	 *
+	 * Back-pointer to the writeback connector associated with the job
+	 */
+	struct drm_writeback_connector *connector;
+
+	/**
+	 * @prepared:
+	 *
+	 * Set when the job has been prepared with drm_writeback_prepare_job()
+	 */
+	bool prepared;
+
+	/**
 	 * @cleanup_work:
 	 *
 	 * Used to allow drm_writeback_signal_completion to defer dropping the
@@ -98,7 +112,7 @@ struct drm_writeback_job {
 	 * @fb:
 	 *
 	 * Framebuffer to be written to by the writeback connector. Do not set
-	 * directly, use drm_atomic_set_writeback_fb_for_connector()
+	 * directly, use drm_writeback_set_fb()
 	 */
 	struct drm_framebuffer *fb;
 
@@ -108,6 +122,13 @@ struct drm_writeback_job {
 	 * Fence which will signal once the writeback has completed
 	 */
 	struct dma_fence *out_fence;
+
+	/**
+	 * @priv:
+	 *
+	 * Driver-private data
+	 */
+	void *priv;
 };
 
 static inline struct drm_writeback_connector *
@@ -122,8 +143,13 @@ int drm_writeback_connector_init(struct drm_device *dev,
 				 const struct drm_encoder_helper_funcs *enc_helper_funcs,
 				 const u32 *formats, int n_formats);
 
+int drm_writeback_set_fb(struct drm_connector_state *conn_state,
+			 struct drm_framebuffer *fb);
+
+int drm_writeback_prepare_job(struct drm_writeback_job *job);
+
 void drm_writeback_queue_job(struct drm_writeback_connector *wb_connector,
-			     struct drm_writeback_job *job);
+			     struct drm_connector_state *conn_state);
 
 void drm_writeback_cleanup_job(struct drm_writeback_job *job);
 
diff --git a/include/media/vsp1.h b/include/media/vsp1.h
index 1cf868360701..cc1b0d42ce95 100644
--- a/include/media/vsp1.h
+++ b/include/media/vsp1.h
@@ -17,6 +17,9 @@ struct device;
 
 int vsp1_du_init(struct device *dev);
 
+#define VSP1_DU_STATUS_COMPLETE		BIT(0)
+#define VSP1_DU_STATUS_WRITEBACK	BIT(1)
+
 /**
  * struct vsp1_du_lif_config - VSP LIF configuration
  * @width: output frame width
@@ -32,7 +35,7 @@ struct vsp1_du_lif_config {
 	unsigned int height;
 	bool interlaced;
 
-	void (*callback)(void *data, bool completed, u32 crc);
+	void (*callback)(void *data, unsigned int status, u32 crc);
 	void *callback_data;
 };
 
@@ -82,11 +85,25 @@ struct vsp1_du_crc_config {
 };
 
 /**
+ * struct vsp1_du_writeback_config - VSP writeback configuration parameters
+ * @pixelformat: plane pixel format (V4L2 4CC)
+ * @pitch: line pitch in bytes for the first plane
+ * @mem: DMA memory address for each plane of the frame buffer
+ */
+struct vsp1_du_writeback_config {
+	u32 pixelformat;
+	unsigned int pitch;
+	dma_addr_t mem[3];
+};
+
+/**
  * struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters
  * @crc: CRC computation configuration
+ * @writeback: writeback configuration
  */
 struct vsp1_du_atomic_pipe_config {
 	struct vsp1_du_crc_config crc;
+	struct vsp1_du_writeback_config writeback;
 };
 
 void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);