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media: renesas: Stop direct calls to queue num_buffers field

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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.gaignard@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
CC: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Benjamin Gaignard
2023-11-09 17:34:53 +01:00
committed by Mauro Carvalho Chehab
parent d6855e4b08
commit 36e3faf99f
1 changed files with 3 additions and 2 deletions
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drivers/media/platform/renesas/rcar_drif.c
+3 -2
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@@ -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);