Re: [PATCH v14 37/56] media: renesas: Stop direct calls to queue num_buffers field

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W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze:
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@xxxxxxxxxxxxx>

Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>

CC: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>
---
  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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