dml_dram_clock_change_vblank
*p->DRAMClockChangeSupport = dml_dram_clock_change_vblank;
((mode_lib->ms.support.DRAMClockChangeSupport[1] == dml_dram_clock_change_vblank || mode_lib->ms.support.DRAMClockChangeSupport[1] == dml_dram_clock_change_vblank_drr