91 	u32 alpha;  member
173 	dtg->alpha = 255;  in dcss_dtg_init()
176 		((dtg->alpha << DEFAULT_FG_ALPHA_POS) & DEFAULT_FG_ALPHA_MASK);  in dcss_dtg_init()
280 bool dcss_dtg_global_alpha_changed(struct dcss_dtg *dtg, int ch_num, int alpha)  in dcss_dtg_global_alpha_changed()  argument
285 	return alpha != dtg->alpha;  in dcss_dtg_global_alpha_changed()
289 			      const struct drm_format_info *format, int alpha)  in dcss_dtg_plane_alpha_set()  argument
291 	/* we care about alpha only when channel 0 is concerned */  in dcss_dtg_plane_alpha_set()
296 	 * Use global alpha if pixel format does not have alpha channel or the  in dcss_dtg_plane_alpha_set()
297 	 * user explicitly chose to use global alpha (i.e. alpha is not OPAQUE).  in dcss_dtg_plane_alpha_set()
299 	if (!format->has_alpha || alpha != 255)  in dcss_dtg_plane_alpha_set()
300 		dtg->alpha_cfg = (alpha << DEFAULT_FG_ALPHA_POS) & DEFAULT_FG_ALPHA_MASK;  in dcss_dtg_plane_alpha_set()
301 	else /* use per-pixel alpha otherwise */  in dcss_dtg_plane_alpha_set()
304 	dtg->alpha = alpha;  in dcss_dtg_plane_alpha_set()