[PATCH v11 25/56] media: pci: tw68: Stop direct calls to queue num_buffers field

Benjamin Gaignard
2023-10-12T11:47:06Z

Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.
Remove tot_bufs < 2 test because min_buffers_needed is already set to 2.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
drivers/media/pci/tw68/tw68-video.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index 773a18702d36..c0a8257b02ca 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -360,13 +360,11 @@ static int tw68_queue_setup(struct vb2_queue *q,
unsigned int sizes[], struct device *alloc_devs[])
{
struct tw68_dev *dev = vb2_get_drv_priv(q);
- unsigned tot_bufs = q->num_buffers + *num_buffers;
+ unsigned tot_bufs = vb2_get_num_buffers(q) + *num_buffers;
unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3;

- if (tot_bufs < 2)
- tot_bufs = 2;
tot_bufs = tw68_buffer_count(size, tot_bufs);
- *num_buffers = tot_bufs - q->num_buffers;
+ *num_buffers = tot_bufs - vb2_get_num_buffers(q);
/*
* We allow create_bufs, but only if the sizeimage is >= as the
* current sizeimage. The tw68_buffer_count calculation becomes quite
--
2.39.2