diff --git a/drivers/media/platform/rockchip/isp/capture_v1x.c b/drivers/media/platform/rockchip/isp/capture_v1x.c
index 67fff9c34e60..2230bd24b5d8 100644
--- a/drivers/media/platform/rockchip/isp/capture_v1x.c
+++ b/drivers/media/platform/rockchip/isp/capture_v1x.c
@@ -607,7 +607,7 @@ static void rkisp_buf_queue(struct vb2_buffer *vb)
 	memset(ispbuf->buff_addr, 0, sizeof(ispbuf->buff_addr));
 	for (i = 0; i < isp_fmt->mplanes; i++) {
 		vb2_plane_vaddr(vb, i);
-		if (stream->ispdev->hw_dev->is_mmu) {
+		if (stream->ispdev->hw_dev->is_dma_sg_ops) {
 			sgt = vb2_dma_sg_plane_desc(vb, i);
 			ispbuf->buff_addr[i] = sg_dma_address(sgt->sgl);
 		} else {
diff --git a/drivers/media/platform/rockchip/isp/capture_v20.c b/drivers/media/platform/rockchip/isp/capture_v20.c
index 16cfc6861e8b..5d3cc8c3b154 100644
--- a/drivers/media/platform/rockchip/isp/capture_v20.c
+++ b/drivers/media/platform/rockchip/isp/capture_v20.c
@@ -1671,7 +1671,7 @@ static void rkisp_buf_queue(struct vb2_buffer *vb)
 	memset(ispbuf->buff_addr, 0, sizeof(ispbuf->buff_addr));
 	for (i = 0; i < isp_fmt->mplanes; i++) {
 		vb2_plane_vaddr(vb, i);
-		if (stream->ispdev->hw_dev->is_mmu) {
+		if (stream->ispdev->hw_dev->is_dma_sg_ops) {
 			sgt = vb2_dma_sg_plane_desc(vb, i);
 			ispbuf->buff_addr[i] = sg_dma_address(sgt->sgl);
 		} else {
diff --git a/drivers/media/platform/rockchip/isp/capture_v21.c b/drivers/media/platform/rockchip/isp/capture_v21.c
index e9d8a86c869f..06260f1641e3 100644
--- a/drivers/media/platform/rockchip/isp/capture_v21.c
+++ b/drivers/media/platform/rockchip/isp/capture_v21.c
@@ -970,7 +970,7 @@ static void rkisp_buf_queue(struct vb2_buffer *vb)
 	memset(ispbuf->buff_addr, 0, sizeof(ispbuf->buff_addr));
 	for (i = 0; i < isp_fmt->mplanes; i++) {
 		vb2_plane_vaddr(vb, i);
-		if (stream->ispdev->hw_dev->is_mmu) {
+		if (stream->ispdev->hw_dev->is_dma_sg_ops) {
 			sgt = vb2_dma_sg_plane_desc(vb, i);
 			ispbuf->buff_addr[i] = sg_dma_address(sgt->sgl);
 		} else {
diff --git a/drivers/media/platform/rockchip/isp/common.c b/drivers/media/platform/rockchip/isp/common.c
index f4d641e8e79a..a890fb4480ef 100644
--- a/drivers/media/platform/rockchip/isp/common.c
+++ b/drivers/media/platform/rockchip/isp/common.c
@@ -94,7 +94,7 @@ int rkisp_alloc_buffer(struct rkisp_device *dev,
 	}
 
 	buf->mem_priv = mem_priv;
-	if (dev->hw_dev->is_mmu) {
+	if (dev->hw_dev->is_dma_sg_ops) {
 		sg_tbl = (struct sg_table *)g_ops->cookie(mem_priv);
 		buf->dma_addr = sg_dma_address(sg_tbl->sgl);
 	} else {
diff --git a/drivers/media/platform/rockchip/isp/dmarx.c b/drivers/media/platform/rockchip/isp/dmarx.c
index fabdfb520196..c46007ac12f9 100644
--- a/drivers/media/platform/rockchip/isp/dmarx.c
+++ b/drivers/media/platform/rockchip/isp/dmarx.c
@@ -493,7 +493,7 @@ static void rkisp_buf_queue(struct vb2_buffer *vb)
 
 	memset(ispbuf->buff_addr, 0, sizeof(ispbuf->buff_addr));
 	for (i = 0; i < isp_fmt->mplanes; i++) {
-		if (stream->ispdev->hw_dev->is_mmu) {
+		if (stream->ispdev->hw_dev->is_dma_sg_ops) {
 			sgt = vb2_dma_sg_plane_desc(vb, i);
 			ispbuf->buff_addr[i] = sg_dma_address(sgt->sgl);
 		} else {
diff --git a/drivers/media/platform/rockchip/isp/hw.c b/drivers/media/platform/rockchip/isp/hw.c
index 8bc2c0662044..626d20204b62 100644
--- a/drivers/media/platform/rockchip/isp/hw.c
+++ b/drivers/media/platform/rockchip/isp/hw.c
@@ -647,6 +647,7 @@ static int rkisp_hw_probe(struct platform_device *pdev)
 	struct rkisp_hw_dev *hw_dev;
 	struct resource *res;
 	int i, ret;
+	bool is_mem_reserved = true;
 
 	match = of_match_node(rkisp_hw_of_match, node);
 	if (IS_ERR(match))
@@ -737,22 +738,29 @@ static int rkisp_hw_probe(struct platform_device *pdev)
 	hw_dev->is_single = true;
 	hw_dev->is_mi_update = false;
 	hw_dev->is_dma_contig = true;
+	hw_dev->is_dma_sg_ops = false;
 	hw_dev->is_buf_init = false;
 	hw_dev->is_shutdown = false;
 	hw_dev->is_mmu = is_iommu_enable(dev);
 	ret = of_reserved_mem_device_init(dev);
 	if (ret) {
+		is_mem_reserved = false;
+
 		if (!hw_dev->is_mmu)
-			dev_warn(dev, "No reserved memory region. default cma area!\n");
+			dev_info(dev, "No reserved memory region. default cma area!\n");
 		else
 			hw_dev->is_dma_contig = false;
 	}
-	if (!hw_dev->is_mmu)
-		hw_dev->mem_ops = &vb2_dma_contig_memops;
-	else if (!hw_dev->is_dma_contig)
-		hw_dev->mem_ops = &vb2_dma_sg_memops;
-	else
+	if (is_mem_reserved) {
+		/* reserved memory using rdma_sg */
 		hw_dev->mem_ops = &vb2_rdma_sg_memops;
+		hw_dev->is_dma_sg_ops = true;
+	} else if (hw_dev->is_mmu) {
+		hw_dev->mem_ops = &vb2_dma_sg_memops;
+		hw_dev->is_dma_sg_ops = true;
+	} else {
+		hw_dev->mem_ops = &vb2_dma_contig_memops;
+	}
 
 	pm_runtime_enable(dev);
 
diff --git a/drivers/media/platform/rockchip/isp/hw.h b/drivers/media/platform/rockchip/isp/hw.h
index 80ed119081db..8b34e203bd6a 100644
--- a/drivers/media/platform/rockchip/isp/hw.h
+++ b/drivers/media/platform/rockchip/isp/hw.h
@@ -71,6 +71,7 @@ struct rkisp_hw_dev {
 	int buf_init_cnt;
 	bool is_feature_on;
 	bool is_dma_contig;
+	bool is_dma_sg_ops;
 	bool is_mmu;
 	bool is_idle;
 	bool is_single;