[PATCH v5 04/11] drm/sun4i: return only planes for layers created

As we are going to add support for the Allwinner DE2 Mixer in sun4i-drm driver, we will finally have two types of layers. Each layer is bound to a drm_plane that is CRTC-specific, so we create them when initializing CRTC (calling sun4i_layers_init, which will be generalized in next patch). The

[PATCH v5 04/11] drm/sun4i: return only planes for layers created

As we are going to add support for the Allwinner DE2 Mixer in sun4i-drm driver, we will finally have two types of layers. Each layer is bound to a drm_plane that is CRTC-specific, so we create them when initializing CRTC (calling sun4i_layers_init, which will be generalized in next patch). The