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[v15,37/56] media: renesas: Stop direct calls to queue num_buffers field

Message ID 20231109163512.179524-38-benjamin.gaignard@collabora.com
State Accepted
Commit 36e3faf99f825fd9d975ae0bf96d93e4da1d732f
Headers show
Series [v15,01/56] media: videobuf2: Rename offset parameter | expand

Commit Message

Benjamin Gaignard Nov. 9, 2023, 4:34 p.m. UTC 
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>
---
 drivers/media/platform/renesas/rcar_drif.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

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);