diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c
index bf21f2467a0f..ba4314d2f591 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c
@@ -58,6 +58,9 @@
 #define SEG_LVL_ALT_Q 0
 #define SECONDARY_FILTER_STRENGTH_NUM_BITS 2
 
+#define AV1_IQ_TABLE_SIZE	0x12200
+#define AV1_CDF_TABLE_SIZE	0xFE80
+
 static const short div_lut[DIV_LUT_NUM + 1] = {
 	16384, 16320, 16257, 16194, 16132, 16070, 16009, 15948, 15888, 15828, 15768,
 	15709, 15650, 15592, 15534, 15477, 15420, 15364, 15308, 15252, 15197, 15142,
@@ -641,6 +644,8 @@ struct vdec_av1_slice_fb {
  * @frame:		current frame info
  * @state:		status after decode done
  * @cur_lst_tile_id:	tile id for large scale
+ * @tile_group:		tile group info
+ * @reservd:		reserved
  */
 struct vdec_av1_slice_vsi {
 	/* lat */
@@ -665,6 +670,8 @@ struct vdec_av1_slice_vsi {
 	struct vdec_av1_slice_frame frame;
 	struct vdec_av1_slice_state state;
 	u32 cur_lst_tile_id;
+	struct vdec_av1_slice_tile_group tile_group;
+	unsigned int reservd[4];
 };
 
 /**
@@ -692,7 +699,6 @@ struct vdec_av1_slice_pfc {
  * @cdf_temp:           cdf temp buffer
  * @tile:               tile buffer
  * @slots:              slots info
- * @tile_group:         tile_group entry
  * @level:              level of current resolution
  * @width:              width of last picture
  * @height:             height of last picture
@@ -717,7 +723,6 @@ struct vdec_av1_slice_instance {
 	struct mtk_vcodec_mem cdf_temp;
 	struct mtk_vcodec_mem tile;
 	struct vdec_av1_slice_slot slots;
-	struct vdec_av1_slice_tile_group tile_group;
 
 	/* for resolution change and get_pic_info */
 	enum vdec_av1_slice_resolution_level level;
@@ -774,24 +779,29 @@ static int vdec_av1_slice_init_cdf_table(struct vdec_av1_slice_instance *instanc
 
 	ctx = instance->ctx;
 	vsi = instance->vpu.vsi;
-	remote_cdf_table = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
-						     (u32)vsi->cdf_table_addr);
-	if (IS_ERR(remote_cdf_table)) {
-		mtk_vdec_err(ctx, "failed to map cdf table\n");
-		return PTR_ERR(remote_cdf_table);
-	}
-
-	mtk_vdec_debug(ctx, "map cdf table to 0x%p\n", remote_cdf_table);
 
 	if (instance->cdf_table.va)
 		mtk_vcodec_mem_free(ctx, &instance->cdf_table);
+	vsi->cdf_table_size = AV1_CDF_TABLE_SIZE;
+	mtk_vdec_debug(ctx, "svp %d. cdf table size 0x%x\n",
+		       instance->ctx->is_secure_playback, vsi->cdf_table_size);
 	instance->cdf_table.size = vsi->cdf_table_size;
 
 	ret = mtk_vcodec_mem_alloc(ctx, &instance->cdf_table);
 	if (ret)
 		return ret;
 
-	memcpy(instance->cdf_table.va, remote_cdf_table, vsi->cdf_table_size);
+	if (!instance->ctx->is_secure_playback) {
+		remote_cdf_table = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
+							     (u32)vsi->cdf_table_addr);
+		if (IS_ERR(remote_cdf_table)) {
+			mtk_vdec_err(ctx, "failed to map cdf table\n");
+			mtk_vcodec_mem_free(ctx, &instance->cdf_table);
+			return PTR_ERR(remote_cdf_table);
+		}
+
+		memcpy(instance->cdf_table.va, remote_cdf_table, vsi->cdf_table_size);
+	}
 
 	return 0;
 }
@@ -805,25 +815,27 @@ static int vdec_av1_slice_init_iq_table(struct vdec_av1_slice_instance *instance
 
 	ctx = instance->ctx;
 	vsi = instance->vpu.vsi;
-	remote_iq_table = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
-						    (u32)vsi->iq_table_addr);
-	if (IS_ERR(remote_iq_table)) {
-		mtk_vdec_err(ctx, "failed to map iq table\n");
-		return PTR_ERR(remote_iq_table);
-	}
-
-	mtk_vdec_debug(ctx, "map iq table to 0x%p\n", remote_iq_table);
 
 	if (instance->iq_table.va)
 		mtk_vcodec_mem_free(ctx, &instance->iq_table);
+	vsi->iq_table_size = AV1_IQ_TABLE_SIZE;
 	instance->iq_table.size = vsi->iq_table_size;
 
 	ret = mtk_vcodec_mem_alloc(ctx, &instance->iq_table);
 	if (ret)
 		return ret;
 
-	memcpy(instance->iq_table.va, remote_iq_table, vsi->iq_table_size);
+	if (!instance->ctx->is_secure_playback) {
+		remote_iq_table = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
+							    (u32)vsi->iq_table_addr);
+		if (IS_ERR(remote_iq_table)) {
+			mtk_vdec_err(ctx, "failed to map iq table\n");
+			mtk_vcodec_mem_free(ctx, &instance->iq_table);
+			return PTR_ERR(remote_iq_table);
+		}
 
+		memcpy(instance->iq_table.va, remote_iq_table, vsi->iq_table_size);
+	}
 	return 0;
 }
 
@@ -1388,7 +1400,7 @@ static int vdec_av1_slice_setup_tile_group(struct vdec_av1_slice_instance *insta
 					   struct vdec_av1_slice_vsi *vsi)
 {
 	struct v4l2_ctrl_av1_tile_group_entry *ctrl_tge;
-	struct vdec_av1_slice_tile_group *tile_group = &instance->tile_group;
+	struct vdec_av1_slice_tile_group *tile_group = &vsi->tile_group;
 	struct vdec_av1_slice_uncompressed_header *uh = &vsi->frame.uh;
 	struct vdec_av1_slice_tile *tile = &uh->tile;
 	struct v4l2_ctrl *ctrl;
@@ -1629,7 +1641,9 @@ static void vdec_av1_slice_setup_lat_buffer(struct vdec_av1_slice_instance *inst
 
 	vsi->tile.buf = instance->tile.dma_addr;
 	vsi->tile.size = instance->tile.size;
-	memcpy(lat_buf->tile_addr.va, instance->tile.va, 64 * instance->tile_group.num_tiles);
+	if (!instance->ctx->is_secure_playback)
+		memcpy(lat_buf->tile_addr.va, instance->tile.va,
+		       64 * vsi->tile_group.num_tiles);
 
 	vsi->cdf_table.buf = instance->cdf_table.dma_addr;
 	vsi->cdf_table.size = instance->cdf_table.size;
@@ -1646,7 +1660,7 @@ static void vdec_av1_slice_setup_seg_buffer(struct vdec_av1_slice_instance *inst
 	/* reset segment buffer */
 	if (uh->primary_ref_frame == AV1_PRIMARY_REF_NONE || !uh->seg.segmentation_enabled) {
 		mtk_vdec_debug(instance->ctx, "reset seg %d\n", vsi->slot_id);
-		if (vsi->slot_id != AV1_INVALID_IDX) {
+		if (!instance->ctx->is_secure_playback && vsi->slot_id != AV1_INVALID_IDX) {
 			buf = &instance->seg[vsi->slot_id];
 			memset(buf->va, 0, buf->size);
 		}
@@ -1657,7 +1671,7 @@ static void vdec_av1_slice_setup_tile_buffer(struct vdec_av1_slice_instance *ins
 					     struct vdec_av1_slice_vsi *vsi,
 					     struct mtk_vcodec_mem *bs)
 {
-	struct vdec_av1_slice_tile_group *tile_group = &instance->tile_group;
+	struct vdec_av1_slice_tile_group *tile_group = &vsi->tile_group;
 	struct vdec_av1_slice_uncompressed_header *uh = &vsi->frame.uh;
 	struct vdec_av1_slice_tile *tile = &uh->tile;
 	u32 tile_num, tile_row, tile_col;
@@ -1740,7 +1754,9 @@ static int vdec_av1_slice_setup_lat(struct vdec_av1_slice_instance *instance,
 		return ret;
 
 	vdec_av1_slice_setup_seg_buffer(instance, vsi);
-	vdec_av1_slice_setup_tile_buffer(instance, vsi, bs);
+	if (!instance->ctx->is_secure_playback)
+		vdec_av1_slice_setup_tile_buffer(instance, vsi, bs);
+
 	vdec_av1_slice_setup_lat_buffer(instance, vsi, bs, lat_buf);
 
 	return 0;
@@ -1793,20 +1809,25 @@ static int vdec_av1_slice_setup_core_buffer(struct vdec_av1_slice_instance *inst
 {
 	struct vb2_buffer *vb;
 	struct vb2_queue *vq;
-	int w, h, plane, size;
+	int w, h, plane;
 	int i;
 
 	plane = instance->ctx->q_data[MTK_Q_DATA_DST].fmt->num_planes;
 	w = vsi->frame.uh.upscaled_width;
 	h = vsi->frame.uh.frame_height;
-	size = ALIGN(w, VCODEC_DEC_ALIGNED_64) * ALIGN(h, VCODEC_DEC_ALIGNED_64);
 
 	/* frame buffer */
 	vsi->fb.y.dma_addr = fb->base_y.dma_addr;
-	if (plane == 1)
-		vsi->fb.c.dma_addr = fb->base_y.dma_addr + size;
-	else
-		vsi->fb.c.dma_addr = fb->base_c.dma_addr;
+
+	vsi->fb.y.size = instance->ctx->picinfo.fb_sz[0];
+	vsi->fb.c.size = instance->ctx->picinfo.fb_sz[1];
+
+	if (!instance->ctx->is_secure_playback) {
+		if (plane == 1)
+			vsi->fb.c.dma_addr = fb->base_y.dma_addr + vsi->fb.y.size;
+		else
+			vsi->fb.c.dma_addr = fb->base_c.dma_addr;
+	}
 
 	/* reference buffers */
 	vq = v4l2_m2m_get_vq(instance->ctx->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
@@ -1829,8 +1850,9 @@ static int vdec_av1_slice_setup_core_buffer(struct vdec_av1_slice_instance *inst
 		}
 
 		vref->y.dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+		vref->y.size = vsi->fb.y.size;
 		if (plane == 1)
-			vref->c.dma_addr = vref->y.dma_addr + size;
+			vref->c.dma_addr = vref->y.dma_addr + vsi->fb.y.size;
 		else
 			vref->c.dma_addr = vb2_dma_contig_plane_dma_addr(vb, 1);
 	}
@@ -1905,7 +1927,12 @@ static int vdec_av1_slice_init(struct mtk_vcodec_dec_ctx *ctx)
 		goto error_vsi;
 	}
 	instance->init_vsi = vsi;
-	instance->core_vsi = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler, (u32)vsi->core_vsi);
+	if (ctx->is_secure_playback)
+		instance->core_vsi = mtk_vcodec_dec_get_shm_buffer_va(ctx->dev, MTK_VDEC_CORE,
+								      OPTEE_DATA_INDEX);
+	else
+		instance->core_vsi = mtk_vcodec_fw_map_dm_addr(ctx->dev->fw_handler,
+							       (u32)vsi->core_vsi);
 
 	if (!instance->core_vsi) {
 		mtk_vdec_err(ctx, "failed to get AV1 core vsi\n");
@@ -1917,11 +1944,12 @@ static int vdec_av1_slice_init(struct mtk_vcodec_dec_ctx *ctx)
 		mtk_vdec_err(ctx, "remote vsi size 0x%x mismatch! expected: 0x%zx\n",
 			     vsi->vsi_size, sizeof(struct vdec_av1_slice_vsi));
 
-	instance->irq_enabled = 1;
+	instance->irq_enabled = !ctx->is_secure_playback;
 	instance->inneracing_mode = IS_VDEC_INNER_RACING(instance->ctx->dev->dec_capability);
 
-	mtk_vdec_debug(ctx, "vsi 0x%p core_vsi 0x%llx 0x%p, inneracing_mode %d\n",
-		       vsi, vsi->core_vsi, instance->core_vsi, instance->inneracing_mode);
+	mtk_vdec_debug(ctx, "secure %d:vsi 0x%p core_vsi 0x%llx 0x%p, inneracing_mode %d\n",
+		       ctx->is_secure_playback, vsi, vsi->core_vsi, instance->core_vsi,
+		       instance->inneracing_mode);
 
 	ret = vdec_av1_slice_init_cdf_table(instance);
 	if (ret)
@@ -2114,7 +2142,9 @@ static int vdec_av1_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 			vdec_msg_queue_qbuf(&ctx->msg_queue.lat_ctx, lat_buf);
 		return -EBUSY;
 	}
-	vsi->trans.dma_addr_end += ctx->msg_queue.wdma_addr.dma_addr;
+	if (!instance->ctx->is_secure_playback)
+		vsi->trans.dma_addr_end += ctx->msg_queue.wdma_addr.dma_addr;
+
 	mtk_vdec_debug(ctx, "lat dma 1 0x%pad 0x%pad\n",
 		       &pfc->vsi.trans.dma_addr, &pfc->vsi.trans.dma_addr_end);
 
