MT65XX LCM 接口配置

请教LCM dsi的时钟应该如何配置?
dsi.PLL_CLOCK
dsi.fbk_div
dsi.pll_div1
dsi.pll_div2
还有如下参数具体是如何定义的?
dsi.vertical_sync_active
dsi.vertical_backporch
dsi.vertical_frontporch
dsi.vertical_active_line

static void lcm_get_params(LCM_PARAMS *params)
{
memset(params, 0, sizeof(LCM_PARAMS));
params->type = LCM_TYPE_DSI;
params->width = FRAME_WIDTH;
params->height = FRAME_HEIGHT;

#if (LCM_DSI_CMD_MODE)
params->dsi.mode = CMD_MODE;
#else
params->dsi.mode = BURST_VDO_MODE;
#endif
// DSI
/* Command mode setting */
params->dsi.LANE_NUM = LCM_ONE_LANE;
//The following defined the fomat for data coming from LCD engine.
params->dsi.data_format.format = LCM_DSI_FORMAT_RGB888;
params->dsi.vertical_sync_active = 4;// 3 2
params->dsi.vertical_backporch = 4;// 20 1
params->dsi.vertical_frontporch = 8; // 1 12
params->dsi.vertical_active_line = FRAME_HEIGHT;
params->dsi.horizontal_sync_active = 5;// 50 2
params->dsi.horizontal_backporch = 33;
params->dsi.horizontal_frontporch = 386;
params->dsi.horizontal_active_pixel = FRAME_WIDTH;//FRAME_WIDTH/2;
params->dsi.PS=LCM_PACKED_PS_24BIT_RGB888;
params->dsi.ufoe_enable = 1;
params->dsi.ssc_disable = 1;
#if (LCM_DSI_CMD_MODE)
params->dsi.PLL_CLOCK = 69;//160;
#else
// params->dsi.PLL_CLOCK = 148;//dsi clock customization: should config clock value directly
#endif
#if 0
params->dsi.fbk_div = 10;
params->dsi.pll_div1 = 0x0;
params->dsi.pll_div2 = 0x0;
#endif
}

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