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    Subject[PATCH v14 37/56] media: renesas: Stop direct calls to queue num_buffers field
    Date
    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>
    CC: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
    ---
    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);
    --
    2.39.2
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