Merge tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:
 - added support for Intersil/Techwell TW686x-based video capture cards
 - v4l PCI skeleton driver moved to samples directory
 - Documentation cleanups and improvements
 - RC: reduced the memory footprint for IR raw events
 - tpg: Export the tpg code from vivid as a module
 - adv7180: Add device tree binding documentation
 - lots of driver improvements and fixes

* tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (173 commits)
  [media] exynos-gsc: avoid build warning without CONFIG_OF
  [media] samples: v4l: from Documentation to samples directory
  [media] dib0700: add USB ID for another STK8096-PVR ref design based card
  [media] tvp5150: propagate I2C write error in .s_register callback
  [media] tvp5150: return I2C write operation failure to callers
  [media] em28xx: add support for Hauppauge WinTV-dualHD DVB tuner
  [media] em28xx: add missing USB IDs
  [media] update cx23885 and em28xx cardlists
  [media] media: au0828 fix au0828_v4l2_device_register() to not unlock and free
  [media] c8sectpfe: Rework firmware loading mechanism
  [media] c8sectpfe: Demote print to dev_dbg
  [media] c8sectpfe: Fix broken circular buffer wp management
  [media] media-device: Simplify compat32 logic
  [media] media: i2c: ths7303: remove redundant assignment on bt
  [media] dvb-usb: hide unused functions
  [media] xilinx-vipp: remove unnecessary of_node_put
  [media] drivers/media/media-devnode: clear private_data before put_device()
  [media] drivers/media/media-device: move debug log before _devnode_unregister()
  [media] drivers/media/rc: postpone kfree(rc_dev)
  [media] media/dvb-core: forward media_create_pad_links() return value
  ...

1 files changed, 6 insertions, 13 deletions

diff --git a/drivers/media/platform/vsp1/vsp1_pipe.h b/drivers/media/platform/vsp1/vsp1_pipe.h
index b2f3a8a896c9..7b56113511dd 100644
--- a/drivers/media/platform/vsp1/vsp1_pipe.h
+++ b/drivers/media/platform/vsp1/vsp1_pipe.h
@@ -13,13 +13,14 @@
 #ifndef __VSP1_PIPE_H__
 #define __VSP1_PIPE_H__
 
+#include <linux/kref.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
 
 #include <media/media-entity.h>
 
-struct vsp1_dl;
+struct vsp1_dl_list;
 struct vsp1_rwpf;
 
 /*
@@ -63,7 +64,7 @@ enum vsp1_pipeline_state {
  * @wq: work queue to wait for state change completion
  * @frame_end: frame end interrupt handler
  * @lock: protects the pipeline use count and stream count
- * @use_count: number of video nodes using the pipeline
+ * @kref: pipeline reference count
  * @stream_count: number of streaming video nodes
  * @buffers_ready: bitmask of RPFs and WPFs with at least one buffer available
  * @num_inputs: number of RPFs
@@ -86,7 +87,7 @@ struct vsp1_pipeline {
 	void (*frame_end)(struct vsp1_pipeline *pipe);
 
 	struct mutex lock;
-	unsigned int use_count;
+	struct kref kref;
 	unsigned int stream_count;
 	unsigned int buffers_ready;
 
@@ -100,17 +101,9 @@ struct vsp1_pipeline {
 
 	struct list_head entities;
 
-	struct vsp1_dl *dl;
+	struct vsp1_dl_list *dl;
 };
 
-static inline struct vsp1_pipeline *to_vsp1_pipeline(struct media_entity *e)
-{
-	if (likely(e->pipe))
-		return container_of(e->pipe, struct vsp1_pipeline, pipe);
-	else
-		return NULL;
-}
-
 void vsp1_pipeline_reset(struct vsp1_pipeline *pipe);
 void vsp1_pipeline_init(struct vsp1_pipeline *pipe);
 
@@ -119,11 +112,11 @@ bool vsp1_pipeline_stopped(struct vsp1_pipeline *pipe);
 int vsp1_pipeline_stop(struct vsp1_pipeline *pipe);
 bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe);
 
-void vsp1_pipeline_display_start(struct vsp1_pipeline *pipe);
 void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe);
 
 void vsp1_pipeline_propagate_alpha(struct vsp1_pipeline *pipe,
 				   struct vsp1_entity *input,
+				   struct vsp1_dl_list *dl,
 				   unsigned int alpha);
 
 void vsp1_pipelines_suspend(struct vsp1_device *vsp1);