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8  * DRM core plane blending related functions
46  * The basic plane composition model supported by standard plane properties only
54  * For the atomic ioctl the following standard (atomic) properties on the plane object
55  * encode the basic plane composition model:
82  * 	Mode object ID of the &drm_framebuffer this plane should scan out.
84  * 	Mode object ID of the &drm_crtc this plane should be connected to.
101  * 	plane-wide opacity, from transparent (0) to opaque (0xffff). It can be
104  *	pre-multiplied by the global alpha associated to the plane.
115  *		Signals that a drm plane is rotated <degrees> degrees in counter
119  *		Signals that the contents of a drm plane is reflected along the
137  *	planes. Without this property the primary plane is always below the cursor
138  *	plane, and ordering between all other planes is undefined. The positive
148  *	how the pixels from the current plane are composited with the
178  *		 Each of the RGB component values from the plane's pixel
180  *		 Alpha component value from the plane's pixel. If the plane's
187  *		 Plane alpha value set by the plane "alpha" property. If the
188  *		 plane does not expose the "alpha" property, then this is
192  * plane or the CRTC (e.g. for the background color, which currently is not
198  * @plane: drm plane
201  * for it in the DRM core. It is attached to @plane.
209 int drm_plane_create_alpha_property(struct drm_plane *plane)
213 	prop = drm_property_create_range(plane->dev, 0, "alpha",
218 	drm_object_attach_property(&plane->base, prop, DRM_BLEND_ALPHA_OPAQUE);
219 	plane->alpha_property = prop;
221 	if (plane->state)
222 		plane->state->alpha = DRM_BLEND_ALPHA_OPAQUE;
230  * @plane: drm plane
262 int drm_plane_create_rotation_property(struct drm_plane *plane,
280 	prop = drm_property_create_bitmask(plane->dev, 0, "rotation",
286 	drm_object_attach_property(&plane->base, prop, rotation);
288 	if (plane->state)
289 		plane->state->rotation = rotation;
291 	plane->rotation_property = prop;
331  * @plane: drm plane
339  * Drivers that attach a mutable zpos property to any plane should call the
359 int drm_plane_create_zpos_property(struct drm_plane *plane,
365 	prop = drm_property_create_range(plane->dev, 0, "zpos", min, max);
369 	drm_object_attach_property(&plane->base, prop, zpos);
371 	plane->zpos_property = prop;
373 	if (plane->state) {
374 		plane->state->zpos = zpos;
375 		plane->state->normalized_zpos = zpos;
384  * @plane: drm plane
398 int drm_plane_create_zpos_immutable_property(struct drm_plane *plane,
403 	prop = drm_property_create_range(plane->dev, DRM_MODE_PROP_IMMUTABLE,
408 	drm_object_attach_property(&plane->base, prop, zpos);
410 	plane->zpos_property = prop;
412 	if (plane->state) {
413 		plane->state->zpos = zpos;
414 		plane->state->normalized_zpos = zpos;
429 		return sa->plane->base.id - sb->plane->base.id;
439 	struct drm_plane *plane;
454 	drm_for_each_plane_mask(plane, dev, crtc_state->plane_mask) {
456 			drm_atomic_get_plane_state(state, plane);
462 		DRM_DEBUG_ATOMIC("[PLANE:%d:%s] processing zpos value %d\n",
463 				 plane->base.id, plane->name,
470 		plane = states[i]->plane;
473 		DRM_DEBUG_ATOMIC("[PLANE:%d:%s] normalized zpos value %d\n",
474 				 plane->base.id, plane->name, i);
493  * first by their zpos values, then by plane id (if zpos is equal). The plane
506 	struct drm_plane *plane __unused;
510 	for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
535  * @plane: drm plane
562 int drm_plane_create_blend_mode_property(struct drm_plane *plane,
565 	struct drm_device *dev = plane->dev;
603 	drm_object_attach_property(&plane->base, prop, DRM_MODE_BLEND_PREMULTI);
604 	plane->blend_mode_property = prop;