diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c
index 2441f47e8742..5c4baaffa092 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-csi2.c
@@ -487,7 +487,7 @@ static const struct v4l2_subdev_pad_ops csi2_sd_pad_ops = {
 	.set_fmt = ipu6_isys_subdev_set_fmt,
 	.get_selection = ipu6_isys_csi2_get_sel,
 	.set_selection = ipu6_isys_csi2_set_sel,
-	.enum_mbus_code = ipu6_isys_subdev_enum_mbus_code,
+	.enum_mbus_code = isys_subdev_enum_mbus_code,
 	.set_routing = isys_subdev_set_routing,
 	.enable_streams = ipu6_isys_csi2_enable_streams,
 	.disable_streams = ipu6_isys_csi2_disable_streams,
@@ -510,7 +510,7 @@ void ipu6_isys_csi2_cleanup(struct ipu6_isys_csi2 *csi2)
 
 	v4l2_device_unregister_subdev(&csi2->asd.sd);
 	v4l2_subdev_cleanup(&csi2->asd.sd);
-	ipu6_isys_subdev_cleanup(&csi2->asd);
+	isys_subdev_cleanup(&csi2->asd);
 	csi2->isys = NULL;
 }
 
@@ -526,8 +526,8 @@ int ipu6_isys_csi2_init(struct ipu6_isys_csi2 *csi2,
 	csi2->port = index;
 
 	csi2->asd.sd.entity.ops = &csi2_entity_ops;
-	ret = ipu6_isys_subdev_init(&csi2->asd, dev, &csi2_sd_ops, 0,
-				    NR_OF_CSI2_SINK_PADS, NR_OF_CSI2_SRC_PADS);
+	ret = isys_subdev_init(&csi2->asd, dev, &csi2_sd_ops, 0,
+			       NR_OF_CSI2_SINK_PADS, NR_OF_CSI2_SRC_PADS);
 	if (ret)
 		goto fail;
 
diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c b/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c
index 020c25925ca0..655057d54785 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.c
@@ -141,14 +141,6 @@ int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
 			     struct v4l2_subdev_state *state,
 			     struct v4l2_subdev_format *format)
 {
-	struct isys_subdev *asd = to_isys_subdev(sd);
-	struct v4l2_mbus_framefmt *fmt;
-	struct v4l2_rect *crop;
-	u32 code = asd->supported_codes[0];
-	u32 other_pad, other_stream;
-	unsigned int i;
-	int ret;
-
 	/* No transcoding, source and sink formats must match. */
 	if ((sd->entity.pads[format->pad].flags & MEDIA_PAD_FL_SOURCE) &&
 	    sd->entity.num_pads > 1)
@@ -160,174 +152,5 @@ int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
 				      IPU6_ISYS_MIN_HEIGHT,
 				      IPU6_ISYS_MAX_HEIGHT);
 
-	for (i = 0; asd->supported_codes[i]; i++) {
-		if (asd->supported_codes[i] == format->format.code) {
-			code = asd->supported_codes[i];
-			break;
-		}
-	}
-	format->format.code = code;
-	format->format.field = V4L2_FIELD_NONE;
-
-	/* Store the format and propagate it to the source pad. */
-	fmt = v4l2_subdev_state_get_format(state, format->pad, format->stream);
-	if (!fmt)
-		return -EINVAL;
-
-	*fmt = format->format;
-
-	if (!(sd->entity.pads[format->pad].flags & MEDIA_PAD_FL_SINK))
-		return 0;
-
-	/* propagate format to following source pad */
-	fmt = v4l2_subdev_state_get_opposite_stream_format(state, format->pad,
-							   format->stream);
-	if (!fmt)
-		return -EINVAL;
-
-	*fmt = format->format;
-
-	ret = v4l2_subdev_routing_find_opposite_end(&state->routing,
-						    format->pad,
-						    format->stream,
-						    &other_pad,
-						    &other_stream);
-	if (ret)
-		return -EINVAL;
-
-	crop = v4l2_subdev_state_get_crop(state, other_pad, other_stream);
-	/* reset crop */
-	crop->left = 0;
-	crop->top = 0;
-	crop->width = fmt->width;
-	crop->height = fmt->height;
-
-	return 0;
-}
-
-int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
-				    struct v4l2_subdev_state *state,
-				    struct v4l2_subdev_mbus_code_enum *code)
-{
-	struct isys_subdev *asd = to_isys_subdev(sd);
-	const u32 *supported_codes = asd->supported_codes;
-	u32 index;
-
-	for (index = 0; supported_codes[index]; index++) {
-		if (index == code->index) {
-			code->code = supported_codes[index];
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
-static int subdev_set_routing(struct v4l2_subdev *sd,
-			      struct v4l2_subdev_state *state,
-			      struct v4l2_subdev_krouting *routing)
-{
-	static const struct v4l2_mbus_framefmt format = {
-		.width = 4096,
-		.height = 3072,
-		.code = MEDIA_BUS_FMT_SGRBG10_1X10,
-		.field = V4L2_FIELD_NONE,
-	};
-	int ret;
-
-	ret = v4l2_subdev_routing_validate(sd, routing,
-					   V4L2_SUBDEV_ROUTING_ONLY_1_TO_1);
-	if (ret)
-		return ret;
-
-	return v4l2_subdev_set_routing_with_fmt(sd, state, routing, &format);
-}
-
-static int ipu6_isys_subdev_init_state(struct v4l2_subdev *sd,
-				       struct v4l2_subdev_state *state)
-{
-	struct v4l2_subdev_route route = {
-		.sink_pad = 0,
-		.sink_stream = 0,
-		.source_pad = 1,
-		.source_stream = 0,
-		.flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE,
-	};
-	struct v4l2_subdev_krouting routing = {
-		.num_routes = 1,
-		.routes = &route,
-	};
-
-	return subdev_set_routing(sd, state, &routing);
-}
-
-static const struct v4l2_subdev_internal_ops ipu6_isys_subdev_internal_ops = {
-	.init_state = ipu6_isys_subdev_init_state,
-};
-
-int ipu6_isys_subdev_init(struct isys_subdev *asd, struct device *dev,
-			  const struct v4l2_subdev_ops *ops,
-			  unsigned int nr_ctrls, unsigned int num_sink_pads,
-			  unsigned int num_source_pads)
-{
-	unsigned int num_pads = num_sink_pads + num_source_pads;
-	unsigned int i;
-	int ret;
-
-	v4l2_subdev_init(&asd->sd, ops);
-
-	asd->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			 V4L2_SUBDEV_FL_HAS_EVENTS |
-			 V4L2_SUBDEV_FL_STREAMS;
-	asd->sd.owner = THIS_MODULE;
-	asd->sd.dev = dev;
-	asd->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
-	asd->sd.internal_ops = &ipu6_isys_subdev_internal_ops;
-
-	asd->pad = devm_kcalloc(dev, num_pads, sizeof(*asd->pad), GFP_KERNEL);
-	if (!asd->pad)
-		return -ENOMEM;
-
-	for (i = 0; i < num_sink_pads; i++)
-		asd->pad[i].flags = MEDIA_PAD_FL_SINK |
-				    MEDIA_PAD_FL_MUST_CONNECT;
-
-	for (i = num_sink_pads; i < num_pads; i++)
-		asd->pad[i].flags = MEDIA_PAD_FL_SOURCE;
-
-	ret = media_entity_pads_init(&asd->sd.entity, num_pads, asd->pad);
-	if (ret)
-		return ret;
-
-	if (asd->ctrl_init) {
-		ret = v4l2_ctrl_handler_init(&asd->ctrl_handler, nr_ctrls);
-		if (ret)
-			goto out_media_entity_cleanup;
-
-		asd->ctrl_init(&asd->sd);
-		if (asd->ctrl_handler.error) {
-			ret = asd->ctrl_handler.error;
-			goto out_v4l2_ctrl_handler_free;
-		}
-
-		asd->sd.ctrl_handler = &asd->ctrl_handler;
-	}
-
-	asd->source = -1;
-
-	return 0;
-
-out_v4l2_ctrl_handler_free:
-	v4l2_ctrl_handler_free(&asd->ctrl_handler);
-
-out_media_entity_cleanup:
-	media_entity_cleanup(&asd->sd.entity);
-
-	return ret;
-}
-
-void ipu6_isys_subdev_cleanup(struct isys_subdev *asd)
-{
-	media_entity_cleanup(&asd->sd.entity);
-	v4l2_ctrl_handler_free(&asd->ctrl_handler);
+	return isys_subdev_set_fmt(sd, state, format);
 }
diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h b/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h
index f3835d873991..e8d1ff181a9d 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* Copyright (C) 2013--2024 Intel Corporation */
+/* Copyright (C) 2013-2025 Intel Corporation */
 
 #ifndef IPU6_ISYS_SUBDEV_H
 #define IPU6_ISYS_SUBDEV_H
@@ -16,13 +16,4 @@ u32 ipu6_isys_convert_bayer_order(u32 code, int x, int y);
 int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
 			     struct v4l2_subdev_state *state,
 			     struct v4l2_subdev_format *fmt);
-int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
-				    struct v4l2_subdev_state *state,
-				    struct v4l2_subdev_mbus_code_enum
-				    *code);
-int ipu6_isys_subdev_init(struct isys_subdev *asd, struct device *dev,
-			  const struct v4l2_subdev_ops *ops,
-			  unsigned int nr_ctrls, unsigned int num_sink_pads,
-			  unsigned int num_source_pads);
-void ipu6_isys_subdev_cleanup(struct isys_subdev *asd);
 #endif /* IPU6_ISYS_SUBDEV_H */
diff --git a/drivers/media/pci/intel/ipu6/isys-subdev.c b/drivers/media/pci/intel/ipu6/isys-subdev.c
index 483d718f2ea4..7635d768067f 100644
--- a/drivers/media/pci/intel/ipu6/isys-subdev.c
+++ b/drivers/media/pci/intel/ipu6/isys-subdev.c
@@ -92,3 +92,162 @@ int isys_subdev_set_routing(struct v4l2_subdev *sd,
 {
 	return subdev_set_routing(sd, state, routing);
 }
+
+int isys_subdev_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state,
+			struct v4l2_subdev_format *format)
+{
+	struct isys_subdev *isd = to_isys_subdev(sd);
+	struct v4l2_mbus_framefmt *fmt;
+	struct v4l2_rect *crop;
+	u32 code = isd->supported_codes[0];
+	u32 other_pad, other_stream;
+	unsigned int i;
+	int ret;
+
+	for (i = 0; isd->supported_codes[i]; i++) {
+		if (isd->supported_codes[i] == format->format.code) {
+			code = isd->supported_codes[i];
+			break;
+		}
+	}
+	format->format.code = code;
+	format->format.field = V4L2_FIELD_NONE;
+
+	/* Store the format and propagate it to the source pad. */
+	fmt = v4l2_subdev_state_get_format(state, format->pad, format->stream);
+	if (!fmt)
+		return -EINVAL;
+
+	*fmt = format->format;
+
+	if (!(sd->entity.pads[format->pad].flags & MEDIA_PAD_FL_SINK))
+		return 0;
+
+	/* propagate format to following source pad */
+	fmt = v4l2_subdev_state_get_opposite_stream_format(state, format->pad,
+							   format->stream);
+	if (!fmt)
+		return -EINVAL;
+
+	*fmt = format->format;
+
+	ret = v4l2_subdev_routing_find_opposite_end(&state->routing,
+						    format->pad, format->stream,
+						    &other_pad, &other_stream);
+	if (ret)
+		return -EINVAL;
+
+	crop = v4l2_subdev_state_get_crop(state, other_pad, other_stream);
+	/* reset crop */
+	crop->left = 0;
+	crop->top = 0;
+	crop->width = fmt->width;
+	crop->height = fmt->height;
+
+	return 0;
+}
+
+int isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
+			       struct v4l2_subdev_state *state,
+			       struct v4l2_subdev_mbus_code_enum *code)
+{
+	struct isys_subdev *isd = to_isys_subdev(sd);
+	const u32 *supported_codes = isd->supported_codes;
+	u32 index;
+
+	for (index = 0; supported_codes[index]; index++) {
+		if (index == code->index) {
+			code->code = supported_codes[index];
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int isys_subdev_init_state(struct v4l2_subdev *sd,
+				  struct v4l2_subdev_state *state)
+{
+	struct v4l2_subdev_route route = {
+		.sink_pad = 0,
+		.sink_stream = 0,
+		.source_pad = 1,
+		.source_stream = 0,
+		.flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE,
+	};
+	struct v4l2_subdev_krouting routing = {
+		.num_routes = 1,
+		.routes = &route,
+	};
+
+	return subdev_set_routing(sd, state, &routing);
+}
+
+static const struct v4l2_subdev_internal_ops isys_subdev_internal_ops = {
+	.init_state = isys_subdev_init_state,
+};
+
+int isys_subdev_init(struct isys_subdev *isd, struct device *dev,
+		     const struct v4l2_subdev_ops *ops, unsigned int nr_ctrls,
+		     unsigned int num_sink_pads, unsigned int num_source_pads)
+{
+	unsigned int num_pads = num_sink_pads + num_source_pads;
+	unsigned int i;
+	int ret;
+
+	v4l2_subdev_init(&isd->sd, ops);
+
+	isd->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
+			 V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_STREAMS;
+	isd->sd.owner = THIS_MODULE;
+	isd->sd.dev = dev;
+	isd->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
+	isd->sd.internal_ops = &isys_subdev_internal_ops;
+
+	isd->pad = devm_kcalloc(dev, num_pads, sizeof(*isd->pad), GFP_KERNEL);
+	if (!isd->pad)
+		return -ENOMEM;
+
+	for (i = 0; i < num_sink_pads; i++)
+		isd->pad[i].flags = MEDIA_PAD_FL_SINK |
+				    MEDIA_PAD_FL_MUST_CONNECT;
+
+	for (i = num_sink_pads; i < num_pads; i++)
+		isd->pad[i].flags = MEDIA_PAD_FL_SOURCE;
+
+	ret = media_entity_pads_init(&isd->sd.entity, num_pads, isd->pad);
+	if (ret)
+		return ret;
+
+	if (isd->ctrl_init) {
+		ret = v4l2_ctrl_handler_init(&isd->ctrl_handler, nr_ctrls);
+		if (ret)
+			goto out_media_entity_cleanup;
+
+		isd->ctrl_init(&isd->sd);
+		if (isd->ctrl_handler.error) {
+			ret = isd->ctrl_handler.error;
+			goto out_v4l2_ctrl_handler_free;
+		}
+
+		isd->sd.ctrl_handler = &isd->ctrl_handler;
+	}
+
+	isd->source = -1;
+
+	return 0;
+
+out_v4l2_ctrl_handler_free:
+	v4l2_ctrl_handler_free(&isd->ctrl_handler);
+
+out_media_entity_cleanup:
+	media_entity_cleanup(&isd->sd.entity);
+
+	return ret;
+}
+
+void isys_subdev_cleanup(struct isys_subdev *isd)
+{
+	media_entity_cleanup(&isd->sd.entity);
+	v4l2_ctrl_handler_free(&isd->ctrl_handler);
+}
diff --git a/drivers/media/pci/intel/ipu6/isys.h b/drivers/media/pci/intel/ipu6/isys.h
index 76f64439952b..4bde32f6d767 100644
--- a/drivers/media/pci/intel/ipu6/isys.h
+++ b/drivers/media/pci/intel/ipu6/isys.h
@@ -30,4 +30,13 @@ int isys_subdev_set_routing(struct v4l2_subdev *sd,
 			    struct v4l2_subdev_state *state,
 			    enum v4l2_subdev_format_whence which,
 			    struct v4l2_subdev_krouting *routing);
+int isys_subdev_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state,
+			struct v4l2_subdev_format *format);
+int isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
+			       struct v4l2_subdev_state *state,
+			       struct v4l2_subdev_mbus_code_enum *code);
+int isys_subdev_init(struct isys_subdev *asd, struct device *dev,
+		     const struct v4l2_subdev_ops *ops, unsigned int nr_ctrls,
+		     unsigned int num_sink_pads, unsigned int num_source_pads);
+void isys_subdev_cleanup(struct isys_subdev *asd);
 #endif
