diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 051b93ccd8d56..cee167cf310e0 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2823,37 +2823,72 @@ static u8 mlx5_get_umr_fence(u8 umr_fence_cap)
 	}
 }
 
-static int mlx5_ib_dev_res_init(struct mlx5_ib_dev *dev)
+int mlx5_ib_dev_res_cq_init(struct mlx5_ib_dev *dev)
 {
 	struct mlx5_ib_resources *devr = &dev->devr;
-	struct ib_srq_init_attr attr;
-	struct ib_device *ibdev;
 	struct ib_cq_init_attr cq_attr = {.cqe = 1};
-	int port;
+	struct ib_device *ibdev;
+	struct ib_pd *pd;
+	struct ib_cq *cq;
 	int ret = 0;
 
-	ibdev = &dev->ib_dev;
 
-	if (!MLX5_CAP_GEN(dev->mdev, xrc))
-		return -EOPNOTSUPP;
+	/*
+	 * devr->c0 is set once, never changed until device unload.
+	 * Avoid taking the mutex if initialization is already done.
+	 */
+	if (devr->c0)
+		return 0;
 
-	devr->p0 = ib_alloc_pd(ibdev, 0);
-	if (IS_ERR(devr->p0))
-		return PTR_ERR(devr->p0);
+	mutex_lock(&devr->cq_lock);
+	if (devr->c0)
+		goto unlock;
 
-	devr->c0 = ib_create_cq(ibdev, NULL, NULL, NULL, &cq_attr);
-	if (IS_ERR(devr->c0)) {
-		ret = PTR_ERR(devr->c0);
-		goto error1;
+	ibdev = &dev->ib_dev;
+	pd = ib_alloc_pd(ibdev, 0);
+	if (IS_ERR(pd)) {
+		ret = PTR_ERR(pd);
+		mlx5_ib_err(dev, "Couldn't allocate PD for res init, err=%d\n", ret);
+		goto unlock;
 	}
 
-	ret = mlx5_cmd_xrcd_alloc(dev->mdev, &devr->xrcdn0, 0);
-	if (ret)
-		goto error2;
+	cq = ib_create_cq(ibdev, NULL, NULL, NULL, &cq_attr);
+	if (IS_ERR(cq)) {
+		ret = PTR_ERR(cq);
+		mlx5_ib_err(dev, "Couldn't create CQ for res init, err=%d\n", ret);
+		ib_dealloc_pd(pd);
+		goto unlock;
+	}
 
-	ret = mlx5_cmd_xrcd_alloc(dev->mdev, &devr->xrcdn1, 0);
+	devr->p0 = pd;
+	devr->c0 = cq;
+
+unlock:
+	mutex_unlock(&devr->cq_lock);
+	return ret;
+}
+
+int mlx5_ib_dev_res_srq_init(struct mlx5_ib_dev *dev)
+{
+	struct mlx5_ib_resources *devr = &dev->devr;
+	struct ib_srq_init_attr attr;
+	struct ib_srq *s0, *s1;
+	int ret = 0;
+
+	/*
+	 * devr->s1 is set once, never changed until device unload.
+	 * Avoid taking the mutex if initialization is already done.
+	 */
+	if (devr->s1)
+		return 0;
+
+	mutex_lock(&devr->srq_lock);
+	if (devr->s1)
+		goto unlock;
+
+	ret = mlx5_ib_dev_res_cq_init(dev);
 	if (ret)
-		goto error3;
+		goto unlock;
 
 	memset(&attr, 0, sizeof(attr));
 	attr.attr.max_sge = 1;
@@ -2861,10 +2896,11 @@ static int mlx5_ib_dev_res_init(struct mlx5_ib_dev *dev)
 	attr.srq_type = IB_SRQT_XRC;
 	attr.ext.cq = devr->c0;
 
-	devr->s0 = ib_create_srq(devr->p0, &attr);
-	if (IS_ERR(devr->s0)) {
-		ret = PTR_ERR(devr->s0);
-		goto err_create;
+	s0 = ib_create_srq(devr->p0, &attr);
+	if (IS_ERR(s0)) {
+		ret = PTR_ERR(s0);
+		mlx5_ib_err(dev, "Couldn't create SRQ 0 for res init, err=%d\n", ret);
+		goto unlock;
 	}
 
 	memset(&attr, 0, sizeof(attr));
@@ -2872,29 +2908,48 @@ static int mlx5_ib_dev_res_init(struct mlx5_ib_dev *dev)
 	attr.attr.max_wr = 1;
 	attr.srq_type = IB_SRQT_BASIC;
 
-	devr->s1 = ib_create_srq(devr->p0, &attr);
-	if (IS_ERR(devr->s1)) {
-		ret = PTR_ERR(devr->s1);
-		goto error6;
+	s1 = ib_create_srq(devr->p0, &attr);
+	if (IS_ERR(s1)) {
+		ret = PTR_ERR(s1);
+		mlx5_ib_err(dev, "Couldn't create SRQ 1 for res init, err=%d\n", ret);
+		ib_destroy_srq(s0);
+	}
+
+	devr->s0 = s0;
+	devr->s1 = s1;
+
+unlock:
+	mutex_unlock(&devr->srq_lock);
+	return ret;
+}
+
+static int mlx5_ib_dev_res_init(struct mlx5_ib_dev *dev)
+{
+	struct mlx5_ib_resources *devr = &dev->devr;
+	int port;
+	int ret;
+
+	if (!MLX5_CAP_GEN(dev->mdev, xrc))
+		return -EOPNOTSUPP;
+
+	ret = mlx5_cmd_xrcd_alloc(dev->mdev, &devr->xrcdn0, 0);
+	if (ret)
+		return ret;
+
+	ret = mlx5_cmd_xrcd_alloc(dev->mdev, &devr->xrcdn1, 0);
+	if (ret) {
+		mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn0, 0);
+		return ret;
 	}
 
 	for (port = 0; port < ARRAY_SIZE(devr->ports); ++port)
 		INIT_WORK(&devr->ports[port].pkey_change_work,
 			  pkey_change_handler);
 
-	return 0;
+	mutex_init(&devr->cq_lock);
+	mutex_init(&devr->srq_lock);
 
-error6:
-	ib_destroy_srq(devr->s0);
-err_create:
-	mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn1, 0);
-error3:
-	mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn0, 0);
-error2:
-	ib_destroy_cq(devr->c0);
-error1:
-	ib_dealloc_pd(devr->p0);
-	return ret;
+	return 0;
 }
 
 static void mlx5_ib_dev_res_cleanup(struct mlx5_ib_dev *dev)
@@ -2911,12 +2966,20 @@ static void mlx5_ib_dev_res_cleanup(struct mlx5_ib_dev *dev)
 	for (port = 0; port < ARRAY_SIZE(devr->ports); ++port)
 		cancel_work_sync(&devr->ports[port].pkey_change_work);
 
-	ib_destroy_srq(devr->s1);
-	ib_destroy_srq(devr->s0);
+	/* After s0/s1 init, they are not unset during the device lifetime. */
+	if (devr->s1) {
+		ib_destroy_srq(devr->s1);
+		ib_destroy_srq(devr->s0);
+	}
 	mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn1, 0);
 	mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn0, 0);
-	ib_destroy_cq(devr->c0);
-	ib_dealloc_pd(devr->p0);
+	/* After p0/c0 init, they are not unset during the device lifetime. */
+	if (devr->c0) {
+		ib_destroy_cq(devr->c0);
+		ib_dealloc_pd(devr->p0);
+	}
+	mutex_destroy(&devr->cq_lock);
+	mutex_destroy(&devr->srq_lock);
 }
 
 static u32 get_core_cap_flags(struct ib_device *ibdev,
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 1a5e16639df04..a29102caa1b71 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -824,11 +824,13 @@ struct mlx5_ib_port_resources {
 
 struct mlx5_ib_resources {
 	struct ib_cq	*c0;
+	struct mutex cq_lock;
 	u32 xrcdn0;
 	u32 xrcdn1;
 	struct ib_pd	*p0;
 	struct ib_srq	*s0;
 	struct ib_srq	*s1;
+	struct mutex srq_lock;
 	struct mlx5_ib_port_resources ports[2];
 };
 
@@ -1272,6 +1274,8 @@ to_mmmap(struct rdma_user_mmap_entry *rdma_entry)
 		struct mlx5_user_mmap_entry, rdma_entry);
 }
 
+int mlx5_ib_dev_res_cq_init(struct mlx5_ib_dev *dev);
+int mlx5_ib_dev_res_srq_init(struct mlx5_ib_dev *dev);
 int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt,
 			struct mlx5_db *db);
 void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db);
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index e8c0fead40623..079ad927182fb 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3234,6 +3234,10 @@ int mlx5_ib_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr,
 	enum ib_qp_type type;
 	int err;
 
+	err = mlx5_ib_dev_res_srq_init(dev);
+	if (err)
+		return err;
+
 	err = check_qp_type(dev, attr, &type);
 	if (err)
 		return err;
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index a056ea835da54..fe907c908d82a 100644
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -213,6 +213,10 @@ int mlx5_ib_create_srq(struct ib_srq *ib_srq,
 		return -EINVAL;
 	}
 
+	err = mlx5_ib_dev_res_cq_init(dev);
+	if (err)
+		return err;
+
 	mutex_init(&srq->mutex);
 	spin_lock_init(&srq->lock);
 	srq->msrq.max    = roundup_pow_of_two(init_attr->attr.max_wr + 1);