[PATCH 2/5] media: iris: allow larger capture buffer pools on HFI gen2

[Xilin Wu <sophon@radxa.com>]

VLC with VA-API frame threading can require more than the default vb2
limit of 32 CAPTURE buffers.

Raise the HFI gen2 decoder CAPTURE queue limit to 64 buffers.

Signed-off-by: Xilin Wu <sophon@radxa.com>
---
 drivers/media/platform/qcom/iris/iris_vidc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
index 05aab6e3005d..8c96b007b391 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -140,6 +140,9 @@ iris_m2m_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_
 	dst_vq->drv_priv = inst;
 	dst_vq->buf_struct_size = sizeof(struct iris_buffer);
 	dst_vq->min_reqbufs_allocation = MIN_BUFFERS;
+	if (inst->domain == DECODER &&
+	    inst->core->iris_firmware_data == &iris_hfi_gen2_data)
+		dst_vq->max_num_buffers = DEFAULT_MAX_HOST_BUF_COUNT;
 	dst_vq->dev = inst->core->dev;
 	dst_vq->lock = &inst->ctx_q_lock;
 

-- 
2.56.0