CH_PANNEL_BG
reg &= ~__BIT(CH_PANNEL_BG);
imx51_ipuv3_write_dmaparam(sc, CH_PANNEL_BG, params,
IPUV3_WRITE(sc, idmac, IPU_IDMAC_CH_PRI_1, __BIT(CH_PANNEL_BG));
reg |= __BIT(CH_PANNEL_BG);
reg |= __BIT(CH_PANNEL_BG);
IPUV3_WRITE(sc, cm, IPU_CM_CUR_BUF_0, __BIT(CH_PANNEL_BG));