NV_DISP_NOTIFIER
NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _3, 0);
if (NVBO_TD32(bo, offset, NV_DISP_NOTIFIER, _0, STATUS, ==, FINISHED))
NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _0,
NVDEF(NV_DISP_NOTIFIER, _0, STATUS, NOT_BEGUN));
NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _1, 0);
NVBO_WR32(bo, offset, NV_DISP_NOTIFIER, _2, 0);