NV_DISP_NOTIFICATION_1
if (NVBO_TD32(bo, offset, NV_DISP_NOTIFICATION_1, _3, STATUS, ==, BEGUN))
NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, TIME_STAMP_0, 0);
NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, TIME_STAMP_1, 0);
NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, _2, 0);
NVBO_WR32(bo, offset, NV_DISP_NOTIFICATION_1, _3,
NVDEF(NV_DISP_NOTIFICATION_1, _3, STATUS, NOT_BEGUN));