int ext_disp_deinit(char *lcm_name)
{
	EXT_DISP_FUNC();    
        
	_ext_disp_path_lock();

	if(pgc->state == EXTD_DEINIT)
	{
		goto deinit_exit;
	}
        
	dpmgr_path_deinit(pgc->dpmgr_handle, CMDQ_DISABLE);
	dpmgr_destroy_path(pgc->dpmgr_handle, NULL);

	cmdqRecDestroy(pgc->cmdq_handle_config);
	cmdqRecDestroy(pgc->cmdq_handle_trigger);    

	pgc->state = EXTD_DEINIT;

deinit_exit:    
	_ext_disp_path_unlock();
	is_context_inited = 0;
	EXT_DISP_LOG("ext_disp_deinit done \n" );
	return 0;
}
int ext_disp_trigger(int blocking, void *callback, unsigned int userdata)
{
	int ret = 0;
	EXT_DISP_FUNC();
	
	if((is_hdmi_active() == false)|| pgc->state == EXTD_DEINIT || pgc->state == EXTD_SUSPEND || pgc->need_trigger_overlay < 1)
	{
		EXT_DISP_LOG("trigger ext display is already sleeped\n");
		MMProfileLogEx(ddp_mmp_get_events()->Extd_ErrorInfo, MMProfileFlagPulse, Trigger, 0);
		return -1;
	}
	
	_ext_disp_path_lock();

	if(_should_trigger_interface())
	{	
		_trigger_display_interface(blocking, callback, userdata);
	}
	else
	{
		_trigger_overlay_engine();
	}

	pgc->state = EXTD_RESUME;
	_ext_disp_path_unlock();
	EXT_DISP_LOG("ext_disp_trigger done \n");

	return ret;
}
// register rdma done event
int ext_disp_wait_for_idle(void)
{	
	EXT_DISP_STATUS ret = EXT_DISP_STATUS_OK;

	EXT_DISP_FUNC();
	_ext_disp_path_lock();
	
	_ext_disp_path_unlock();
	return ret;
}
int ext_disp_is_alive(void)
{
	unsigned int temp = 0;
	EXT_DISP_FUNC();
	_ext_disp_path_lock();
	temp = pgc->state;
	_ext_disp_path_unlock();
	
	return temp;
}
static int _build_path_direct_link(void)
{
	int ret = 0;

	DISP_MODULE_ENUM dst_module = 0;
	EXT_DISP_FUNC(); 
	pgc->mode = EXTD_DIRECT_LINK_MODE;
	
	pgc->dpmgr_handle = dpmgr_create_path(DDP_SCENARIO_SUB_DISP, pgc->cmdq_handle_config);
	if(pgc->dpmgr_handle)
	{
		EXT_DISP_LOG("dpmgr create path SUCCESS(%p)\n", pgc->dpmgr_handle);
	}
	else
	{
		EXT_DISP_LOG("dpmgr create path FAIL\n");
		return -1;
	}
	
	dst_module = DISP_MODULE_DPI;
	dpmgr_path_set_dst_module(pgc->dpmgr_handle, dst_module);
	//EXT_DISP_LOG("dpmgr set dst module FINISHED(%s)\n", ddp_get_module_name(dst_module));
/*
	{
		M4U_PORT_STRUCT sPort;
		sPort.ePortID = M4U_PORT_DISP_OVL1;
		sPort.Virtuality = ext_disp_use_m4u;					   
		sPort.Security = 0;
		sPort.Distance = 1;
		sPort.Direction = 0;
		ret = m4u_config_port(&sPort);
		if(ret == 0)
		{
			EXT_DISP_LOG("config M4U Port %s to %s SUCCESS\n",ddp_get_module_name(M4U_PORT_DISP_OVL1), ext_disp_use_m4u?"virtual":"physical");
		}
		else
		{
			EXT_DISP_LOG("config M4U Port %s to %s FAIL(ret=%d)\n",ddp_get_module_name(M4U_PORT_DISP_OVL1), ext_disp_use_m4u?"virtual":"physical", ret);
			return -1;
		}
	}
*/
	
	
	dpmgr_set_lcm_utils(pgc->dpmgr_handle, pgc->plcm->drv);

	dpmgr_enable_event(pgc->dpmgr_handle, DISP_PATH_EVENT_IF_VSYNC);
	dpmgr_enable_event(pgc->dpmgr_handle, DISP_PATH_EVENT_FRAME_DONE);
	dpmgr_enable_event(pgc->dpmgr_handle, DISP_PATH_EVENT_FRAME_START);

	return ret;
}
int ext_disp_suspend(void)
{
	EXT_DISP_STATUS ret = EXT_DISP_STATUS_OK;

	EXT_DISP_FUNC();
	    
	_ext_disp_path_lock();
	
	if(pgc->state == EXTD_DEINIT || pgc->state == EXTD_SUSPEND)
	{
		EXT_DISP_ERR("status is not EXTD_RESUME\n");
		goto done;
	}

	pgc->need_trigger_overlay = 0;
    
	if(dpmgr_path_is_busy(pgc->dpmgr_handle))
	{
		dpmgr_wait_event_timeout(pgc->dpmgr_handle, DISP_PATH_EVENT_FRAME_DONE, HZ/30);
	}
	    
	if(ext_disp_use_cmdq == CMDQ_ENABLE)
	{
		_cmdq_stop_trigger_loop();
	}

	dpmgr_path_stop(pgc->dpmgr_handle, CMDQ_DISABLE);
	dpmgr_path_power_off(pgc->dpmgr_handle, CMDQ_DISABLE);
	if(dpmgr_path_is_busy(pgc->dpmgr_handle))
	{
		dpmgr_wait_event_timeout(pgc->dpmgr_handle, DISP_PATH_EVENT_FRAME_DONE, HZ/30);
	}

	dpmgr_path_reset(pgc->dpmgr_handle, CMDQ_DISABLE);
	extd_drv_suspend(pgc->plcm);

	pgc->state = EXTD_SUSPEND;
	
done:
	_ext_disp_path_unlock();
	
	EXT_DISP_LOG("ext_disp_suspend done \n");
	return ret;
}
int ext_disp_resume(void)
{
	EXT_DISP_STATUS ret = EXT_DISP_STATUS_OK;

	EXT_DISP_FUNC();

	_ext_disp_path_lock();
	
	if(pgc->state != EXTD_SUSPEND)
	{
		EXT_DISP_ERR("EXTD_DEINIT/EXTD_INIT/EXTD_RESUME \n");
		goto done;
	}

	if(_should_reset_cmdq_config_handle())
	{
		_cmdq_reset_config_handle();
	}
	
	dpmgr_path_power_on(pgc->dpmgr_handle, CMDQ_DISABLE);

	extd_drv_resume(pgc->plcm);

	if(ext_disp_use_cmdq == CMDQ_ENABLE)
	{
		_cmdq_start_trigger_loop();
	}

	if(dpmgr_path_is_busy(pgc->dpmgr_handle))
	{
		EXT_DISP_LOG("stop display path failed, still busy\n");
		ret = -1;
		goto done;
	}

	pgc->state = EXTD_RESUME;
	
done:
	_ext_disp_path_unlock();
	EXT_DISP_LOG("ext_disp_resume done \n");
	return ret;
}
int ext_disp_init(char *lcm_name, unsigned int session)
{
	EXT_DISP_FUNC();
	EXT_DISP_STATUS ret = EXT_DISP_STATUS_OK;
	//DISP_MODULE_ENUM dst_module = 0;
	
	LCM_PARAMS *lcm_param = NULL;
	//LCM_INTERFACE_ID lcm_id = LCM_INTERFACE_NOTDEFINED;

	dpmgr_init();

	extd_mutex_init(&(pgc->lock));
	_ext_disp_path_lock();

	pgc->plcm = extd_drv_probe( lcm_name, LCM_INTERFACE_NOTDEFINED);
	if(pgc->plcm == NULL)
	{
		EXT_DISP_LOG("disp_lcm_probe returns null\n");
		ret = EXT_DISP_STATUS_ERROR;
		//goto done;  //Donglei
	}

	lcm_param = extd_drv_get_params(pgc->plcm);
	if(lcm_param == NULL)
	{
		EXT_DISP_ERR("get lcm params FAILED\n");
		ret = EXT_DISP_STATUS_ERROR;
		goto done;
	}

#if 0
	ret = cmdqCoreRegisterCB(CMDQ_GROUP_DISP, cmdqDdpClockOn, cmdqDdpDumpInfo, cmdqDdpResetEng, cmdqDdpClockOff);
	if(ret)
	{
		EXT_DISP_ERR("cmdqCoreRegisterCB failed, ret=%d \n", ret);
		ret = EXT_DISP_STATUS_ERROR;
		goto done;
	}					 
#endif	
	ret = cmdqRecCreate(CMDQ_SCENARIO_MHL_DISP, &(pgc->cmdq_handle_config));
	if(ret)
	{
		EXT_DISP_LOG("cmdqRecCreate FAIL, ret=%d \n", ret);
		ret = EXT_DISP_STATUS_ERROR;
		goto done;
	}
	else
	{
		EXT_DISP_LOG("cmdqRecCreate SUCCESS, g_cmdq_handle=%p \n", pgc->cmdq_handle_config);
	}

	if(ext_disp_mode == EXTD_DIRECT_LINK_MODE)
	{
		_build_path_direct_link();
//		EXT_DISP_LOG("ext_disp display is DIRECT LINK MODE\n");
	}
	else if(ext_disp_mode == EXTD_DECOUPLE_MODE)
	{
		_build_path_decouple();
//		EXT_DISP_LOG("ext_disp display is DECOUPLE MODE\n");
	}
	else if(ext_disp_mode == EXTD_SINGLE_LAYER_MODE)
	{
		_build_path_single_layer();
//		EXT_DISP_LOG("ext_disp display is SINGLE LAYER MODE\n");
	}
	else if(ext_disp_mode == EXTD_RDMA_DPI_MODE)
	{
		_build_path_rdma_dpi();
//		EXT_DISP_LOG("ext_disp display is RDMA to dpi MODE\n");
	}
	else
	{
		EXT_DISP_LOG("ext_disp display mode is WRONG\n");
	}

	if(ext_disp_use_cmdq == CMDQ_ENABLE)
	{
		_cmdq_build_trigger_loop();
		EXT_DISP_LOG("ext_disp display BUILD cmdq trigger loop finished\n");
    	
		_cmdq_start_trigger_loop();
	}

	pgc->session = session;
	
	EXT_DISP_LOG("ext_disp display START cmdq trigger loop finished\n");
	
	dpmgr_path_set_video_mode(pgc->dpmgr_handle, ext_disp_is_video_mode());

	dpmgr_path_init(pgc->dpmgr_handle, CMDQ_DISABLE);
    
	disp_ddp_path_config *data_config = (disp_ddp_path_config *)vmalloc(sizeof(disp_ddp_path_config));	
	if(data_config)
	{
		memset((void*)data_config, 0, sizeof(disp_ddp_path_config));
		memcpy(&(data_config->dispif_config), &(extd_dpi_params.dispif_config), sizeof(LCM_PARAMS));

		data_config->dst_w = lcm_param->width;
		data_config->dst_h = lcm_param->height;
		data_config->dst_dirty = 1;
        init_roi = 0;	
		ret = dpmgr_path_config(pgc->dpmgr_handle, data_config, CMDQ_DISABLE);
	}
	else
	{
		EXT_DISP_LOG("allocate buffer failed!!!\n");
	}
	
	if(!extd_drv_is_inited(pgc->plcm))
	{
		ret = extd_drv_init(pgc->plcm);
	}

	// this will be set to always enable cmdq later 
	if(ext_disp_is_video_mode())
	{
			dpmgr_map_event_to_irq(pgc->dpmgr_handle, DISP_PATH_EVENT_IF_VSYNC, DDP_IRQ_RDMA1_DONE);

	}
	
	if(ext_disp_use_cmdq == CMDQ_ENABLE)
	{
		_cmdq_reset_config_handle();
		//_cmdq_insert_wait_frame_done_token(); //Fixed me: why insert EOF event before the first frame start
	}

	dpmgr_path_power_on(pgc->dpmgr_handle, CMDQ_DISABLE);
	
	pgc->state = EXTD_INIT;

done:

	_ext_disp_path_unlock();
    dpmgr_path_stop(pgc->dpmgr_handle, CMDQ_DISABLE);
            
	EXT_DISP_LOG("ext_disp_init done \n");
	return ret;
}