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-rw-r--r--include/drm/drm_crtc.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 3edeaf88ebc0..44e070800b6d 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -308,6 +308,7 @@ struct drm_plane_helper_funcs;
* @mode_changed: crtc_state->mode or crtc_state->enable has been changed
* @active_changed: crtc_state->active has been toggled.
* @connectors_changed: connectors to this crtc have been updated
+ * @zpos_changed: zpos values of planes on this crtc have been updated
* @color_mgmt_changed: color management properties have changed (degamma or
* gamma LUT or CSC matrix)
* @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
@@ -344,6 +345,7 @@ struct drm_crtc_state {
bool mode_changed : 1;
bool active_changed : 1;
bool connectors_changed : 1;
+ bool zpos_changed : 1;
bool color_mgmt_changed : 1;
/* attached planes bitmask:
@@ -1409,6 +1411,9 @@ struct drm_connector {
* @src_w: width of visible portion of plane (in 16.16)
* @src_h: height of visible portion of plane (in 16.16)
* @rotation: rotation of the plane
+ * @zpos: priority of the given plane on crtc (optional)
+ * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1
+ * where N is the number of active planes for given crtc
* @state: backpointer to global drm_atomic_state
*/
struct drm_plane_state {
@@ -1429,6 +1434,10 @@ struct drm_plane_state {
/* Plane rotation */
unsigned int rotation;
+ /* Plane zpos */
+ unsigned int zpos;
+ unsigned int normalized_zpos;
+
struct drm_atomic_state *state;
};
@@ -1688,6 +1697,7 @@ enum drm_plane_type {
* @properties: property tracking for this plane
* @type: type of plane (overlay, primary, cursor)
* @state: current atomic state for this plane
+ * @zpos_property: zpos property for this plane
* @helper_private: mid-layer private data
*/
struct drm_plane {
@@ -1732,6 +1742,8 @@ struct drm_plane {
const struct drm_plane_helper_funcs *helper_private;
struct drm_plane_state *state;
+
+ struct drm_property *zpos_property;
};
/**
@@ -2958,6 +2970,14 @@ extern void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
uint degamma_lut_size,
bool has_ctm,
uint gamma_lut_size);
+
+int drm_plane_create_zpos_property(struct drm_plane *plane,
+ unsigned int zpos,
+ unsigned int min, unsigned int max);
+
+int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
+ unsigned int zpos);
+
/* Helpers */
struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
uint32_t id, uint32_t type);