diff --git a/drivers/staging/rockchip-mpp/mpp_dev_common.c b/drivers/staging/rockchip-mpp/mpp_dev_common.c
index 21816ad8a43b..97c4d897f168 100644
--- a/drivers/staging/rockchip-mpp/mpp_dev_common.c
+++ b/drivers/staging/rockchip-mpp/mpp_dev_common.c
@@ -1217,8 +1217,7 @@ static int rockchip_mpp_queue_init(void *priv, struct vb2_queue *src_vq,
 	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
 	src_vq->drv_priv = session;
 	src_vq->mem_ops = &vb2_dma_contig_memops;
-	src_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES |
-			    DMA_ATTR_NO_KERNEL_MAPPING;
+	src_vq->dma_attrs = DMA_ATTR_ALLOC_SINGLE_PAGES;
 	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
 	src_vq->min_buffers_needed = 1;
 	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
diff --git a/drivers/staging/rockchip-mpp/mpp_dev_common.h b/drivers/staging/rockchip-mpp/mpp_dev_common.h
index 33d7725be67b..36770af53a95 100644
--- a/drivers/staging/rockchip-mpp/mpp_dev_common.h
+++ b/drivers/staging/rockchip-mpp/mpp_dev_common.h
@@ -100,9 +100,6 @@ struct mpp_session {
 	struct v4l2_ctrl_handler ctrl_handler;
 	/* TODO: FIXME: slower than helper function ? */
 	struct v4l2_ctrl **ctrls;
-
-	dma_addr_t qtable_addr;
-	void *qtable_vaddr;
 };
 
 /* The context for the a task */
diff --git a/drivers/staging/rockchip-mpp/mpp_dev_vdpu2.c b/drivers/staging/rockchip-mpp/mpp_dev_vdpu2.c
index 1be73ab9c2be..92d68b962fe1 100644
--- a/drivers/staging/rockchip-mpp/mpp_dev_vdpu2.c
+++ b/drivers/staging/rockchip-mpp/mpp_dev_vdpu2.c
@@ -176,6 +176,9 @@ static int rkvdpu_s_fmt_vid_out_mplane(struct file *filp, void *priv,
 	if (sizes >= SZ_16M)
 		return -EINVAL;
 
+	/* For those slice header data */
+	pix_mp->plane_fmt[pix_mp->num_planes - 1].sizeimage += SZ_1M;
+
 	if (vdpu_setup_ctrls(session, pix_mp->pixelformat))
 		return -EINVAL;
 
diff --git a/drivers/staging/rockchip-mpp/vdpu2/mpeg2.c b/drivers/staging/rockchip-mpp/vdpu2/mpeg2.c
index 837ee4a4a000..c12d1a8ef2da 100644
--- a/drivers/staging/rockchip-mpp/vdpu2/mpeg2.c
+++ b/drivers/staging/rockchip-mpp/vdpu2/mpeg2.c
@@ -113,7 +113,10 @@ int rkvdpu_mpeg2_gen_reg(struct mpp_session *session, void *regs,
 	const struct v4l2_ctrl_mpeg2_slice_params *params;
 	const struct v4l2_mpeg2_sequence *sequence;
 	const struct v4l2_mpeg2_picture *picture;
+	const struct v4l2_ctrl_mpeg2_quantization *quantization;
 	struct vdpu2_regs *p_regs = regs;
+	void *qtable = NULL;
+	size_t stream_len = 0;
 
 	params = rockchip_mpp_get_cur_ctrl(session,
 					   V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS);
@@ -122,6 +125,8 @@ int rkvdpu_mpeg2_gen_reg(struct mpp_session *session, void *regs,
 
 	sequence = &params->sequence;
 	picture = &params->picture;
+	quantization = rockchip_mpp_get_cur_ctrl(session,
+			V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION);
 
 	init_hw_cfg(p_regs);
 
@@ -198,7 +203,13 @@ int rkvdpu_mpeg2_gen_reg(struct mpp_session *session, void *regs,
 	p_regs->sw64.rlc_vlc_base =
 	    vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
 	p_regs->sw122.strm_start_bit = params->data_bit_offset;
-	p_regs->sw51.stream_len = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
+	stream_len = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
+	p_regs->sw51.stream_len = stream_len;
+
+	qtable = vb2_plane_vaddr(&src_buf->vb2_buf, 0) + ALIGN(stream_len, 8);
+	mpeg2_dec_copy_qtable(qtable, quantization);
+        p_regs->sw61.qtable_base = p_regs->sw64.rlc_vlc_base
+		+ ALIGN(stream_len, 8);
 
 	return 0;
 }
@@ -207,7 +218,6 @@ int rkvdpu_mpeg2_prepare_buf(struct mpp_session *session, void *regs)
 {
 	const struct v4l2_ctrl_mpeg2_slice_params *params;
 	const struct v4l2_mpeg2_sequence *sequence;
-	const struct v4l2_ctrl_mpeg2_quantization *quantization;
 	const struct v4l2_mpeg2_picture *picture;
 	struct vb2_v4l2_buffer *dst_buf;
 	dma_addr_t cur_addr, fwd_addr, bwd_addr;
@@ -220,9 +230,6 @@ int rkvdpu_mpeg2_prepare_buf(struct mpp_session *session, void *regs)
 	picture = &params->picture;
 	sequence = &params->sequence;
 
-	quantization = rockchip_mpp_get_cur_ctrl(session,
-			V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION);
-
 	dst_buf = v4l2_m2m_next_dst_buf(session->fh.m2m_ctx);
 	cur_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
 
@@ -266,8 +273,5 @@ int rkvdpu_mpeg2_prepare_buf(struct mpp_session *session, void *regs)
 		p_regs->sw135.refer3_base = cur_addr >> 2;
 	}
 
-	mpeg2_dec_copy_qtable(session->qtable_vaddr, quantization);
-        p_regs->sw61.qtable_base = session->qtable_addr;
-
 	return 0;
 }
