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Subject: media: renesas: Stop direct calls to queue num_buffers field
Author: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Date: Thu Nov 9 17:34:53 2023 +0100
Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.
This allows us to change how the number of buffers is computed in the
future.
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrze...@collabora.com>
CC: Fabrizio Castro <fabrizio.castro...@renesas.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/media/platform/renesas/rcar_drif.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/platform/renesas/rcar_drif.c
b/drivers/media/platform/renesas/rcar_drif.c
index 292c5bf9e50c..f21d05054341 100644
--- a/drivers/media/platform/renesas/rcar_drif.c
+++ b/drivers/media/platform/renesas/rcar_drif.c
@@ -424,10 +424,11 @@ static int rcar_drif_queue_setup(struct vb2_queue *vq,
unsigned int sizes[], struct device *alloc_devs[])
{
struct rcar_drif_sdr *sdr = vb2_get_drv_priv(vq);
+ unsigned int q_num_bufs = vb2_get_num_buffers(vq);
/* Need at least 16 buffers */
- if (vq->num_buffers + *num_buffers < 16)
- *num_buffers = 16 - vq->num_buffers;
+ if (q_num_bufs + *num_buffers < 16)
+ *num_buffers = 16 - q_num_bufs;
*num_planes = 1;
sizes[0] = PAGE_ALIGN(sdr->fmt->buffersize);
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