[PATCH v7 23/49] media: pci: cx18: Stop direct calls to queue num_buffers field
Benjamin Gaignard
benjamin.gaignard at collabora.com
Thu Sep 14 06:32:57 PDT 2023
Use vb2_get_num_buffers() to avoid using queue num_buffer field directly.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
---
drivers/media/pci/cx18/cx18-streams.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c
index 597472754c4c..a7a7e006b3be 100644
--- a/drivers/media/pci/cx18/cx18-streams.c
+++ b/drivers/media/pci/cx18/cx18-streams.c
@@ -105,6 +105,7 @@ static int cx18_queue_setup(struct vb2_queue *vq,
unsigned int sizes[], struct device *alloc_devs[])
{
struct cx18_stream *s = vb2_get_drv_priv(vq);
+ unsigned int q_num_bufs = vb2_get_num_buffers(vq);
struct cx18 *cx = s->cx;
unsigned int szimage;
@@ -121,8 +122,8 @@ static int cx18_queue_setup(struct vb2_queue *vq,
* Let's request at least three buffers: two for the
* DMA engine and one for userspace.
*/
- if (vq->num_buffers + *nbuffers < 3)
- *nbuffers = 3 - vq->num_buffers;
+ if (q_num_bufs + *nbuffers < 3)
+ *nbuffers = 3 - q_num_bufs;
if (*nplanes) {
if (*nplanes != 1 || sizes[0] < szimage)
--
2.39.2
More information about the Linux-mediatek
mailing list