int hdmi_dst_display_path_config(bool enable)
{
    HDMI_FUNC();

    if (enable)
    {
        //FIXME: now nothing can be seen on TV if output UYVY from WDMA0

        unsigned int hdmiSourceAddr = hdmi_mva_r;// + p->hdmi_width * p->hdmi_height * hdmi_bpp * hdmi_buffer_read_id;

        struct disp_path_config_struct config = {0};

        // Config RDMA->DPI1
        config.srcWidth = 1280;
        config.srcHeight = 720;

        config.srcModule = DISP_MODULE_RDMA1;
        config.inFormat = RDMA_INPUT_FORMAT_ARGB;
        config.outFormat = RDMA_OUTPUT_FORMAT_ARGB;
        config.addr = hdmiSourceAddr;
        config.pitch = config.srcWidth * 4;

        config.dstModule = DISP_MODULE_DPI0;

        //if(-1 == dp_mutex_dst)
        //   dp_mutex_dst = disp_lock_mutex();
        dp_mutex_dst = 2;
        disp_dump_reg(DISP_MODULE_RDMA0);
        disp_dump_reg(DISP_MODULE_RDMA1);
        disp_dump_reg(DISP_MODULE_CONFIG);

        HDMI_LOG("Get mutex ID %d for RDMA1>DPI1\n", dp_mutex_dst);
        disp_path_get_mutex_(dp_mutex_dst);
        disp_path_config_(&config, dp_mutex_dst);
        disp_path_release_mutex_(dp_mutex_dst);
        disp_dump_reg(DISP_MODULE_CONFIG);
        disp_dump_reg(DISP_MODULE_RDMA0);
        disp_dump_reg(DISP_MODULE_RDMA1);
    }
    else
    {
        if (-1 != dp_mutex_dst)
        {
            //FIXME: release mutex timeout
            HDMI_LOG("Stop RDMA1>DPI1\n");
            disp_path_get_mutex_(dp_mutex_dst);

            DISP_REG_SET_FIELD(1 << dp_mutex_src , DISP_REG_CONFIG_MUTEX_INTEN,  1);
            RDMAStop(1);
            RDMAReset(1);
            disp_path_release_mutex_(dp_mutex_dst);

            //disp_unlock_mutex(dp_mutex_dst);
            dp_mutex_dst = -1;
        }
    }

    return 0;
}
int ddp_mem_test(void)
{    
    int result = 0;
    struct disp_path_config_struct config;
    unsigned int* pSrc;
    unsigned char* pSrcPa;
    unsigned int* pDst;
    unsigned char* pDstPa;

    
    pSrc= dma_alloc_coherent(NULL, DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP, (dma_addr_t *)&pSrcPa, GFP_KERNEL);
    if(pSrc==0 || pSrcPa==0)
    {
        printk("dma_alloc_coherent error!  dma memory not available.\n");
        return 0;
    }
    else
    {
        printk("[ddp] pSrc=0x%x, pSrcPa=0x%x \n", (unsigned int)pSrc, (unsigned int)pSrcPa);
    }
    memcpy((void*)pSrc, data_rgb888_64x64, DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP);
    
    pDst= dma_alloc_coherent(NULL, DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP, (dma_addr_t *)&pDstPa, GFP_KERNEL);
    if(pDst==0 || pDstPa==0)
    {
        printk("dma_alloc_coherent error!  dma memory not available.\n");
        return 0;
    }
    else
    {
        printk("[ddp] pDst=0x%x, pDstPa=0x%x \n",(unsigned int) pDst, (unsigned int)pDstPa);
    }
    memset((void*)pDst, 0, DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP);


    // config port to physical
    {
        M4U_PORT_STRUCT sPort;
        
        sPort.ePortID = M4U_PORT_LCD_W;
        sPort.Virtuality = 0; 					   
        sPort.Security = 0;
        sPort.Distance = 1;
        sPort.Direction = 0;
        m4u_config_port(&sPort);
    }

    config.srcModule = DISP_MODULE_OVL;
    config.addr = (unsigned int)pSrcPa; 
    config.inFormat = eRGB888; 
    config.pitch = DDP_TEST_WIDTH;
    config.srcROI.x = 0;
    config.srcROI.y = 0; 
    config.srcROI.width = DDP_TEST_WIDTH; 
    config.srcROI.height = DDP_TEST_HEIGHT; 
    config.srcWidth = DDP_TEST_WIDTH;
    config.srcHeight = DDP_TEST_HEIGHT;
    config.dstModule = DISP_MODULE_WDMA0;
    config.outFormat = eRGB888; 
    config.dstAddr = (unsigned int)pDstPa; 
    config.dstWidth = DDP_TEST_WIDTH; 
    config.dstHeight = DDP_TEST_HEIGHT;
    config.dstPitch = DDP_TEST_WIDTH;
    /*
    disp_power_on(DISP_MODULE_ROT);
    disp_power_on(DISP_MODULE_SCL);
    disp_power_on(DISP_MODULE_WDMA0);
    */
    disp_path_get_mutex_(DDP_MUTEX_FOR_ROT_SCL_WDMA);
    disp_path_config_(&config, DDP_MUTEX_FOR_ROT_SCL_WDMA);
    
    printk("*after ddp test config start: -------------------\n");
    disp_dump_reg(DISP_MODULE_OVL);
    disp_dump_reg(DISP_MODULE_WDMA0);
    disp_dump_reg(DISP_MODULE_CONFIG);
    printk("*after ddp test config end: ---------------------\n");
    
    disp_path_release_mutex_(DDP_MUTEX_FOR_ROT_SCL_WDMA);
    if(*(volatile unsigned int*)DISP_REG_CONFIG_MUTEX1 != 0)
    {
        *(volatile unsigned int*)DISP_REG_CONFIG_MUTEX1 = 0;
    }
    
    printk("ddp_mem_test wdma wait done... \n"); 
    WDMAWait(0);
    printk("ddp_mem_test wdma done! \n");            
    
    if(0) //compare source
    {
        unsigned int diff_cnt = 0;
        unsigned int t=0;
        unsigned int size = DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP;
        for(t=0;t<size;t++)
        {
            if( *((unsigned char*)pSrc+t) != *((unsigned char*)data_rgb888_64x64+t) )
            {
                diff_cnt++;
                printk("t=%d, diff_cnt=%d, dst=0x%x, gold=0x%x \n", 
                t, 
                diff_cnt, 
                *((unsigned char*)pSrc+t), 
                *((unsigned char*)data_rgb888_64x64+t) );
            }
    
        }
        if(diff_cnt == 0)
            printk("ddp_mem_test src compare result: success \n");
        else
        {
            printk("ddp_mem_test src compare result: fail \n");
            printk("detail, %d, %d, %%%d \n", diff_cnt, size, diff_cnt*100/size);  
            result = -1;
        }              
    }
    
    if(1)  //compare dst
    {
        unsigned int diff_cnt = 0;
        unsigned int t=0;
        unsigned int size = DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP;
        for(t=0;t<size;t++)
        {
            if( *((unsigned char*)pDst+t) != *((unsigned char*)data_rgb888_64x64_golden+t) )
            {
                diff_cnt++;
                printk("t=%d, diff_cnt=%d, dst=0x%x, gold=0x%x \n", 
                t, 
                diff_cnt, 
                *((unsigned char*)pDst+t), 
                *((unsigned char*)data_rgb888_64x64_golden+t) );
            }
    
        }
        if(diff_cnt == 0)
            printk("ddp_mem_test result: success \n");
        else
        {
            printk("ddp_mem_test result: fail \n");
            printk("detail, %d, %d, %%%d \n", diff_cnt, size, diff_cnt*100/size); 
            result = -1;
        }              
    }
    
    // print out dst buffer to save as golden
    if(0)
    {
        unsigned int t=0;
        unsigned int size = DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP;

        for(t=0;t<size;t++)
        {
            printk("0x%x, ", *((unsigned char*)pDst+t));
            if((t+1)%12==0)
            {
                printk("\n%05d: ", (t+1)/12);
            }
        }
    }

    /*
    disp_power_off(DISP_MODULE_ROT);
    disp_power_off(DISP_MODULE_SCL);
    disp_power_off(DISP_MODULE_WDMA0);
    */
    //dealloc memory
    dma_free_coherent(NULL, DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP, pSrc, (dma_addr_t)&pSrcPa);
    dma_free_coherent(NULL, DDP_TEST_WIDTH*DDP_TEST_HEIGHT*DDP_TEST_BPP, pDst, (dma_addr_t)&pDstPa);   

    return result;
}
static void process_dbg_opt(const char *opt)
{
    char *buf = dbg_buf + strlen(dbg_buf);
    if (0 == strncmp(opt, "regr:", 5))
    {
        char *p = (char *)opt + 5;
        unsigned int addr = (unsigned int) simple_strtoul(p, &p, 16);

        if (addr) 
        {
            unsigned int regVal = DISP_REG_GET(addr);
            DDP_DRV_INFO("regr: 0x%08X = 0x%08X\n", addr, regVal);
            sprintf(buf, "regr: 0x%08X = 0x%08X\n", addr, regVal);
        } else {
            goto Error;
        }
    }
    else if (0 == strncmp(opt, "regw:", 5))
    {
        char *p = (char *)opt + 5;
        unsigned int addr = (unsigned int) simple_strtoul(p, &p, 16);
        unsigned int val = (unsigned int) simple_strtoul(p + 1, &p, 16);
        if (addr) 
        {
            unsigned int regVal;
            DISP_REG_SET(addr, val);
            regVal = DISP_REG_GET(addr);
            DDP_DRV_DBG("regw: 0x%08X, 0x%08X = 0x%08X\n", addr, val, regVal);
            sprintf(buf, "regw: 0x%08X, 0x%08X = 0x%08X\n", addr, val, regVal);
        } else {
            goto Error;
        }
    }
    else if (0 == strncmp(opt, "ddp_drv_dbg_log:", 16))
    {
        char *p = (char *)opt + 16;
        unsigned int enable = (unsigned int) simple_strtoul(p, &p, 10);
        if (enable)
            ddp_drv_dbg_log = 1;
        else
            ddp_drv_dbg_log = 0;

        sprintf(buf, "ddp_drv_dbg_log: %d\n", ddp_drv_dbg_log);
    }
    else if (0 == strncmp(opt, "ddp_drv_irq_log:", 16))
    {
        char *p = (char *)opt + 16;
        unsigned int enable = (unsigned int) simple_strtoul(p, &p, 10);
        if (enable)
            ddp_drv_irq_log = 1;
        else
            ddp_drv_irq_log = 0;
        
        sprintf(buf, "ddp_drv_irq_log: %d\n", ddp_drv_irq_log);        
    }
    else if (0 == strncmp(opt, "backlight:", 10))
    {
        char *p = (char *)opt + 10;
        unsigned int level = (unsigned int) simple_strtoul(p, &p, 10);

        if (level) 
        {
            disp_bls_set_backlight(level);            
            sprintf(buf, "backlight: %d\n", level); 
        } else {
            goto Error;
        }
    }
    else if (0 == strncmp(opt, "dump_reg:", 9))
    {
        char *p = (char *)opt + 9;
        unsigned int module = (unsigned int) simple_strtoul(p, &p, 10);
        DDP_DRV_INFO("process_dbg_opt, module=%d \n", module);
        if (module<DISP_MODULE_MAX) 
        {
            disp_dump_reg(module);            
            sprintf(buf, "dump_reg: %d\n", module); 
        } else {
            DDP_DRV_INFO("process_dbg_opt2, module=%d \n", module);
            goto Error;
        }
    }
    else if (0 == strncmp(opt, "dump_aal:", 9))
    {        
        char *p = (char *)opt + 9;
        unsigned int arg = (unsigned int) simple_strtoul(p, &p, 10);
        if (arg == 0)
        {
            int i;
            unsigned int hist[LUMA_HIST_BIN];
            disp_get_hist(hist);
            for (i = 0; i < LUMA_HIST_BIN; i++)
            {
                DDP_DRV_DBG("LUMA_HIST_%02d: %d\n", i, hist[i]);
                sprintf(dbg_buf + strlen(dbg_buf), "LUMA_HIST_%2d: %d\n", i, hist[i]);
            }
        }
        else if (arg == 1)
        {
            int i;
            DISP_AAL_PARAM param;
            
            GetUpdateMutex();
            memcpy(&param, get_aal_config(), sizeof(DISP_AAL_PARAM));
            ReleaseUpdateMutex();

            DDP_DRV_DBG("pwmDuty: %lu\n", param.pwmDuty);
            sprintf(dbg_buf + strlen(dbg_buf), "pwmDuty: %lu\n", param.pwmDuty);
            for (i = 0; i < LUMA_CURVE_POINT; i++)
            {
                DDP_DRV_DBG("lumaCurve[%02d]: %lu\n", i, param.lumaCurve[i]);
                sprintf(dbg_buf + strlen(dbg_buf), "lumaCurve[%02d]: %lu\n", i, param.lumaCurve[i]);
            }
        }
    }
    else if (0 == strncmp(opt, "debug:", 6))
    {
        char *p = (char *)opt + 6;
        unsigned int enable = (unsigned int) simple_strtoul(p, &p, 10);
        if(enable==1)
        {
            printk("[DDP] debug=1, trigger AEE\n");
            aee_kernel_exception("DDP-TEST-ASSERT", "[DDP] DDP-TEST-ASSERT");
        }
        else if(enable==2)
        {
           ddp_mem_test();
        }
        else if(enable==3)
        {
           ddp_mem_test2();
        }
    }
    else if (0 == strncmp(opt, "mmp", 3))
    {
        init_ddp_mmp_events();
    }
    else if (0 == strncmp(opt, "dpfd_ut1:", 9))
    {
#if 0
        char *p = (char *)opt + 9;
        unsigned int channel = (unsigned int) simple_strtoul(p, &p, 10);        
        //ddpk_testfunc_1(channel);
#endif
    }
    else if (0 == strncmp(opt, "dpfd_ut2:", 9))
    {
#if 0
        char *p = (char *)opt + 9;
        unsigned int channel = (unsigned int) simple_strtoul(p, &p, 10);        
        //ddpk_testfunc_2(channel);
#endif
    }
    else if (0 == strncmp(opt, "dpfd:log", 8))
    {
    }
    else if (0 == strncmp(opt, "pqon", 4))
    {
        pq_debug_flag=0;
        sprintf(buf, "Turn on PQ %d\n", pq_debug_flag);
    }
    else if (0 == strncmp(opt, "pqoff", 5))
    {
        pq_debug_flag=1;
        sprintf(buf, "Turn off PQ %d\n", pq_debug_flag);        
    }
    else if (0 == strncmp(opt, "pqdemo", 6))
    {
        pq_debug_flag=2;
        sprintf(buf, "Turn on PQ (demo) %d\n", pq_debug_flag);    
    }
    else if (0 == strncmp(opt, "pqstop", 6))
    {
        pq_debug_flag=3;
        sprintf(buf, "Stop mutex update %d\n", pq_debug_flag);    
    }
    else if (0 == strncmp(opt, "aalon", 5))
    {
        aal_debug_flag=0;
        sprintf(buf, "resume aal update %d\n", aal_debug_flag);    
    }
    else if (0 == strncmp(opt, "aaloff", 6))
    {
        aal_debug_flag=1;
        sprintf(buf, "suspend aal update %d\n", aal_debug_flag);    
    }
    else if (0 == strncmp(opt, "color_win:", 10))
    {
        char *p = (char *)opt + 10;
        unsigned int sat_upper, sat_lower, hue_upper, hue_lower;
        sat_upper = (unsigned int) simple_strtoul(p, &p, 10);
        p++;
        sat_lower = (unsigned int) simple_strtoul(p, &p, 10);
        p++;
        hue_upper = (unsigned int) simple_strtoul(p, &p, 10);
        p++;
        hue_lower = (unsigned int) simple_strtoul(p, &p, 10);
        DDP_DRV_INFO("Set color_win: %u, %u, %u, %u\n", sat_upper, sat_lower, hue_upper, hue_lower);
        disp_pq_set_window(sat_upper, sat_lower, hue_upper, hue_lower);
    }
    else if (0 == strncmp(opt, "dpx", 3))
    {
        ddp_debug_flag = ddp_debug_flag ^ 1;
        DDP_DRV_INFO("ddp_debug_flag: %d\n", ddp_debug_flag);
    }
    else if (0 == strncmp(opt, "ovl_reg:", 8))
    {
        char *p = (char *)opt + 8;
        unsigned int offset = (unsigned int) simple_strtoul(p, &p, 16);
        unsigned int value = (unsigned int) simple_strtoul(p + 1, &p, 16);

        disp_path_get_mutex_(gMutexID);
        DISP_REG_SET(DISP_OVL_BASE+offset, value);
        disp_path_release_mutex_(gMutexID);

        DDP_DRV_INFO("ovl_reg: 0x%08X = 0x%08X\n", DISP_OVL_BASE+offset, value);
    }
    else if (0 == strncmp(opt, "rdma_reg:", 9))
    {
        char *p = (char *)opt + 9;
        unsigned int offset = (unsigned int) simple_strtoul(p, &p, 16);
        unsigned int value = (unsigned int) simple_strtoul(p + 1, &p, 16);

        disp_path_get_mutex_(gMutexID);
        DISP_REG_SET(DISP_RDMA_BASE+offset, value);
        disp_path_release_mutex_(gMutexID);

        DDP_DRV_INFO("rdma_reg: 0x%08X = 0x%08X\n", DISP_RDMA_BASE+offset, value);
    }
    else if (0 == strncmp(opt, "bls_reg:", 8))
    {
        char *p = (char *)opt + 8;
        unsigned int offset = (unsigned int) simple_strtoul(p, &p, 16);
        unsigned int value = (unsigned int) simple_strtoul(p + 1, &p, 16);

        disp_path_get_mutex_(gMutexID);
        DISP_REG_SET(DISP_BLS_BASE+offset, value);
        disp_path_release_mutex_(gMutexID);

        DDP_DRV_INFO("bls_reg: 0x%08X = 0x%08X\n", DISP_BLS_BASE+offset, value);
    }
    else if (0 == strncmp(opt, "pq_reg:", 7))
    {
        char *p = (char *)opt + 7;
        unsigned int offset = (unsigned int) simple_strtoul(p, &p, 16);
        unsigned int value = (unsigned int) simple_strtoul(p + 1, &p, 16);

        disp_path_get_mutex_(gMutexID);
        DISP_REG_SET(DISP_PQ_BASE+offset, value);
        disp_path_release_mutex_(gMutexID);

        DDP_DRV_INFO("pq_reg: 0x%08X = 0x%08X\n", DISP_PQ_BASE+offset, value);
    }
    else
    {
	    goto Error;
    }

    return;

Error:
    DDP_DRV_ERR("parse command error!\n%s\n\n%s", opt, STR_HELP);
}