diff --git a/src/gallium/drivers/radeon/radeon_vcn_dec.c b/src/gallium/drivers/radeon/radeon_vcn_dec.c
index de21f9d4932..02e141ac9e5 100644
--- a/src/gallium/drivers/radeon/radeon_vcn_dec.c
+++ b/src/gallium/drivers/radeon/radeon_vcn_dec.c
@@ -2475,7 +2475,10 @@ struct pipe_video_codec *radeon_create_decoder(struct pipe_context *context,
    else
       dec->send_cmd = send_cmd_dec;
 
-   if (sctx->family <= CHIP_NAVI14 && stream_type == RDECODE_CODEC_VP9)
+   if (sctx->family >= CHIP_SIENNA_CICHLID &&
+       (stream_type == RDECODE_CODEC_VP9 || stream_type == RDECODE_CODEC_AV1))
+      dec->dpb_type = DPB_DYNAMIC_TIER_2;
+   else if (sctx->family <= CHIP_NAVI14 && stream_type == RDECODE_CODEC_VP9)
       dec->dpb_type = DPB_DYNAMIC_TIER_1;
    else
       dec->dpb_type = DPB_MAX_RES;