typedef struct {
uint32_t enableM2m;
uint32_t nodeOverlayId;
uint32_t overlayId;
uint32_t pipeId;
uint32_t vpId;
uint32_t nodeVpId;
} app_dss_default_m2m_obj_t;
typedef struct {
app_dss_default_prm_t initPrm;
uint32_t overlayId;
uint32_t vpId;
uint32_t nodeOverlayId;
uint32_t nodeVpId;
uint32_t nodeDpiId;
uint32_t videoIfWidth;
app_dss_default_m2m_obj_t m2m;
} app_dss_default_obj_t;
如上结构体中各变量跟Display Controller Architecture对应关系，具体的含义是什么？
