dpu_kms_get_existing_global_state
global_state = dpu_kms_get_existing_global_state(dpu_kms);
global_state = dpu_kms_get_existing_global_state(phys_enc->dpu_kms);
global_state = dpu_kms_get_existing_global_state(dpu_kms);
*dpu_kms_get_existing_global_state(struct dpu_kms *dpu_kms);