diff --git a/drivers/amlogic/media/video_processor/ppmgr/ppmgr_vpp.c b/drivers/amlogic/media/video_processor/ppmgr/ppmgr_vpp.c
index 42cc0a606adc..79491652a753 100644
--- a/drivers/amlogic/media/video_processor/ppmgr/ppmgr_vpp.c
+++ b/drivers/amlogic/media/video_processor/ppmgr/ppmgr_vpp.c
@@ -3627,7 +3627,8 @@ void stop_ppmgr_task(void)
 static int tb_buffer_init(void)
 {
 	int i;
-	int flags = CODEC_MM_FLAGS_DMA_CPU | CODEC_MM_FLAGS_CMA_CLEAR;
+	//int flags = CODEC_MM_FLAGS_DMA_CPU | CODEC_MM_FLAGS_CMA_CLEAR;
+	int flags = 0;
 
 	if (tb_buffer_status)
 		return tb_buffer_status;
@@ -3676,7 +3677,8 @@ static int tb_buffer_init(void)
 			detect_buf[i].paddr = tb_buffer_start +
 				TB_DETECT_H * TB_DETECT_W * i;
 			detect_buf[i].vaddr =
-				(ulong)phys_to_virt(detect_buf[i].paddr);
+				(ulong)codec_mm_vmap(detect_buf[i].paddr,
+				TB_DETECT_H * TB_DETECT_W);
 			if (ppmgr_device.tb_detect & 0xc) {
 				PPMGRVPP_INFO(
 					"detect buff(%d) paddr: %lx, vaddr: %lx\n",
@@ -3692,6 +3694,7 @@ static int tb_buffer_init(void)
 
 static int tb_buffer_uninit(void)
 {
+	int i;
 	if (tb_src_canvas) {
 		if (tb_src_canvas & 0xff)
 			canvas_pool_map_free_canvas(
@@ -3712,6 +3715,13 @@ static int tb_buffer_uninit(void)
 		PPMGRVPP_INFO("tb cma free addr is %x, size is %x\n",
 			(unsigned int)tb_buffer_start,
 			(unsigned int)tb_buffer_size);
+		for (i = 0; i < tb_buffer_len; i++) {
+			if (detect_buf[i].vaddr) {
+				codec_mm_unmap_phyaddr(
+					(u8 *)detect_buf[i].vaddr);
+				detect_buf[i].vaddr = 0;
+			}
+		}
 		codec_mm_free_for_dma(
 			"tb_detect",
 			tb_buffer_start);