[RFC v2 14/22] drm: Add helper to attach Plane ctm property

[Uma Shankar]

Add a DRM helper to attach ctm property.

Signed-off-by: Uma Shankar <uma.shan...@intel.com>
---
 drivers/gpu/drm/drm_color_mgmt.c | 10 ++++++++++
 include/drm/drm_plane.h          |  1 +
 2 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index 83832adf3adf..5c3138497b9c 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -654,6 +654,16 @@ void drm_plane_attach_degamma_properties(struct drm_plane 
*plane)
 }
 EXPORT_SYMBOL(drm_plane_attach_degamma_properties);
 
+void drm_plane_attach_ctm_property(struct drm_plane *plane)
+{
+       if (!plane->ctm_property)
+               return;
+
+       drm_object_attach_property(&plane->base,
+                                  plane->ctm_property, 0);
+}
+EXPORT_SYMBOL(drm_plane_attach_ctm_property);
+
 int drm_plane_color_add_gamma_degamma_mode_range(struct drm_plane *plane,
                                                 const char *name,
                                                 const struct 
drm_color_lut_range *ranges,
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index c4ed1799ecaf..3d329f71d287 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -889,6 +889,7 @@ int drm_plane_create_color_mgmt_properties(struct 
drm_device *dev,
                                           struct drm_plane *plane,
                                           int num_values);
 void drm_plane_attach_degamma_properties(struct drm_plane *plane);
+void drm_plane_attach_ctm_property(struct drm_plane *plane);
 int drm_plane_color_add_gamma_degamma_mode_range(struct drm_plane *plane,
                                                 const char *name,
                                                 const struct 
drm_color_lut_range *ranges,
-- 
2.26.2