Thread (98 messages) 98 messages, 3 authors, 2023-09-21
STALE1009d
Revisions (8)
  1. v7 current
  2. v8 [diff vs current]
  3. v9 [diff vs current]
  4. v10 [diff vs current]
  5. v11 [diff vs current]
  6. v12 [diff vs current]
  7. v13 [diff vs current]
  8. v14 [diff vs current]

[PATCH v7 31/49] media: nxp: Stop direct calls to queue num_buffers field

From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2023-09-14 13:34:56
Also in: linux-arm-msm, linux-media, linux-mediatek, linux-rockchip, linux-staging, lkml
Subsystem: media drivers for freescale imx7/8, media input infrastructure (v4l/dvb), the rest · Maintainers: Laurent Pinchart, Frank Li, Martin Kepplinger-Novakovic, Mauro Carvalho Chehab, Linus Torvalds

Use vb2_get_num_buffers() to avoid using queue num_buffer field directly.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
 drivers/media/platform/nxp/imx7-media-csi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/platform/nxp/imx7-media-csi.c
index 15049c6aab37..4c467fb82789 100644
--- a/drivers/media/platform/nxp/imx7-media-csi.c
+++ b/drivers/media/platform/nxp/imx7-media-csi.c
@@ -1245,6 +1245,7 @@ static int imx7_csi_video_queue_setup(struct vb2_queue *vq,
 				      struct device *alloc_devs[])
 {
 	struct imx7_csi *csi = vb2_get_drv_priv(vq);
+	unsigned int q_num_bufs = vb2_get_num_buffers(vq);
 	struct v4l2_pix_format *pix = &csi->vdev_fmt;
 	unsigned int count = *nbuffers;
 
@@ -1254,14 +1255,14 @@ static int imx7_csi_video_queue_setup(struct vb2_queue *vq,
 	if (*nplanes) {
 		if (*nplanes != 1 || sizes[0] < pix->sizeimage)
 			return -EINVAL;
-		count += vq->num_buffers;
+		count += q_num_bufs;
 	}
 
 	count = min_t(__u32, IMX7_CSI_VIDEO_MEM_LIMIT / pix->sizeimage, count);
 
 	if (*nplanes)
-		*nbuffers = (count < vq->num_buffers) ? 0 :
-			count - vq->num_buffers;
+		*nbuffers = (count < q_num_bufs) ? 0 :
+			count - q_num_bufs;
 	else
 		*nbuffers = count;
 
-- 
2.39.2


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