RADEON_TV_MODULATOR_CNTL1_SYNC_TIP_LEVEL
RADEON_TV_MODULATOR_CNTL1_SYNC_TIP_LEVEL |
RADEON_TV_MODULATOR_CNTL1_SYNC_TIP_LEVEL |
RADEON_TV_MODULATOR_CNTL1_SYNC_TIP_LEVEL |
RADEON_TV_MODULATOR_CNTL1_SYNC_TIP_LEVEL;