media: rkisp1: resizer: Use V4L2 subdev active state

Use the V4L2 subdev active state API to store the active format and crop
rectangle. This simplifies the driver not only by dropping the state
stored in the rkisp1_resizer structure, but also by replacing the
ops_lock with the state lock.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/platform/rockchip/rkisp1/rkisp1-common.h

@@ -390,10 +390,7 @@ struct rkisp1_params {
  * @id:	       id of the resizer, one of RKISP1_SELFPATH, RKISP1_MAINPATH
  * @rkisp1:    pointer to the rkisp1 device
  * @pads:      media pads
- * @pad_cfg:   configurations for the pads
  * @config:    the set of registers to configure the resizer
- * @pixel_enc: pixel encoding of the resizer
- * @ops_lock:  a lock for the subdev ops
  */
 struct rkisp1_resizer {
 	struct v4l2_subdev sd;
@@ -401,10 +398,7 @@ struct rkisp1_resizer {
 	enum rkisp1_stream_id id;
 	struct rkisp1_device *rkisp1;
 	struct media_pad pads[RKISP1_RSZ_PAD_MAX];
-	struct v4l2_subdev_pad_config pad_cfg[RKISP1_RSZ_PAD_MAX];
 	const struct rkisp1_rsz_config *config;
-	enum v4l2_pixel_encoding pixel_enc;
-	struct mutex ops_lock; /* serialize the subdevice ops */
 };
 
 /*