DISPC_GLOBAL_ALPHA
REG_FLD_MOD(dispc, DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift);
DUMPREG(dispc, DISPC_GLOBAL_ALPHA);
DUMPREG(DISPC_GLOBAL_ALPHA);
REG_FLD_MOD(DISPC_GLOBAL_ALPHA, global_alpha, shift + 7, shift);