drm: add plane properties

The omapdrm driver uses this for setting per-overlay rotation.  It
is likely also useful for setting YUV->RGB colorspace conversion
matrix, etc.

Signed-off-by: Rob Clark <rob@ti.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 9b33629e654c..73e45600f95d 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -601,6 +601,7 @@ struct drm_connector {
  * @update_plane: update the plane configuration
  * @disable_plane: shut down the plane
  * @destroy: clean up plane resources
+ * @set_property: called when a property is changed
  */
 struct drm_plane_funcs {
         int (*update_plane)(struct drm_plane *plane,
@@ -611,6 +612,9 @@ struct drm_plane_funcs {
                             uint32_t src_w, uint32_t src_h);
         int (*disable_plane)(struct drm_plane *plane);
         void (*destroy)(struct drm_plane *plane);
+
+        int (*set_property)(struct drm_plane *plane,
+                            struct drm_property *property, uint64_t val);
 };
 
 /**
@@ -628,6 +632,7 @@ struct drm_plane_funcs {
  * @enabled: enabled flag
  * @funcs: helper functions
  * @helper_private: storage for drver layer
+ * @properties: property tracking for this plane
  */
 struct drm_plane {
         struct drm_device *dev;
@@ -650,6 +655,8 @@ struct drm_plane {
 
         const struct drm_plane_funcs *funcs;
         void *helper_private;
+
+        struct drm_object_properties properties;
 };
 
 /**