[RFC 4/4] drm: export create and destroy function for blob properties

[Rahul Sharma <rahul.sharma@samsung.com>]

Drm drivers can also create and attach private blob properties.
This patch exports functions to create and destroy blob properties.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
---
 drivers/gpu/drm/drm_crtc.c |    8 +++++---
 include/drm/drm_crtc.h     |    4 ++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 8771abf..f1939c2 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3299,8 +3299,8 @@ done:
 	return ret;
 }
 
-static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
-							  void *data)
+struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
+			int length, void *data)
 {
 	struct drm_property_blob *blob;
 	int ret;
@@ -3326,14 +3326,16 @@ static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev
 	list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
 	return blob;
 }
+EXPORT_SYMBOL(drm_property_create_blob);
 
-static void drm_property_destroy_blob(struct drm_device *dev,
+void drm_property_destroy_blob(struct drm_device *dev,
 			       struct drm_property_blob *blob)
 {
 	drm_mode_object_put(dev, &blob->base);
 	list_del(&blob->head);
 	kfree(blob);
 }
+EXPORT_SYMBOL(drm_property_destroy_blob);
 
 int drm_mode_getblob_ioctl(struct drm_device *dev,
 			   void *data, struct drm_file *file_priv)
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index df7b178..8bf7fb2 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1077,6 +1077,10 @@ struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
 struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
 					 const char *name,
 					 uint64_t min, uint64_t max);
+extern struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
+					int length, void *data);
+extern void drm_property_destroy_blob(struct drm_device *dev,
+					struct drm_property_blob *blob);
 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
 extern int drm_property_add_enum(struct drm_property *property, int index,
 				 uint64_t value, const char *name);
-- 
1.7.9.5