PP_VSYNC_INIT_VAL
val = DPU_REG_READ(c, PP_VSYNC_INIT_VAL);
init = DPU_REG_READ(c, PP_VSYNC_INIT_VAL) & 0xFFFF;
DPU_REG_WRITE(c, PP_VSYNC_INIT_VAL, te->vsync_init_val);