[PATCH] media: amphion: ensure the buffer count is not less than min_buffer
Ming Qian
ming.qian at nxp.com
Tue Mar 22 01:28:59 PDT 2022
the output buffer count should >= min_buffer_out
the capture buffer count should >= min_buffer_cap
Signed-off-by: Ming Qian <ming.qian at nxp.com>
---
drivers/media/platform/amphion/vpu_v4l2.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index cbf3315605a9..72a0544f4da3 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -355,6 +355,10 @@ static int vpu_vb2_queue_setup(struct vb2_queue *vq,
return 0;
}
+ if (V4L2_TYPE_IS_OUTPUT(vq->type))
+ *buf_count = max_t(unsigned int, *buf_count, inst->min_buffer_out);
+ else
+ *buf_count = max_t(unsigned int, *buf_count, inst->min_buffer_cap);
*plane_count = cur_fmt->num_planes;
for (i = 0; i < cur_fmt->num_planes; i++)
psize[i] = cur_fmt->sizeimage[i];
--
2.33.0
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