This patch allows to use the RGBX and RGBA 8:8:8:8 formats.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
        DRM_FORMAT_XRGB8888,
        DRM_FORMAT_ABGR8888,
        DRM_FORMAT_XBGR8888,
+       DRM_FORMAT_RGBA8888,
+       DRM_FORMAT_RGBX8888,
+       DRM_FORMAT_BGRA8888,
+       DRM_FORMAT_BGRA8888,
        DRM_FORMAT_YUYV,
        DRM_FORMAT_YVYU,
        DRM_FORMAT_YUV420,
                case DRM_FORMAT_BGRA5551:
                case DRM_FORMAT_ARGB8888:
                case DRM_FORMAT_ABGR8888:
+               case DRM_FORMAT_RGBA8888:
+               case DRM_FORMAT_BGRA8888:
                        ipu_dp_set_global_alpha(ipu_plane->dp, false, 0, false);
                        break;
                default: