mmCRTC_TRIGB_CNTL
value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL));
dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL), value);
value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL));
dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL), value);
value = dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL));
dm_write_reg(tg->ctx, CRTC_REG(mmCRTC_TRIGB_CNTL), value);