Merge tag 'iommu-updates-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro...

[cascardo/linux.git] / include / drm / drm_crtc.h

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 3edeaf8..44e0708 100644 (file)
--- 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);