Thread (57 messages) 57 messages, 2 authors, 2023-10-02
STALE999d
Revisions (9)
  1. v6 [diff vs current]
  2. v7 [diff vs current]
  3. v8 [diff vs current]
  4. v9 current
  5. v10 [diff vs current]
  6. v11 [diff vs current]
  7. v12 [diff vs current]
  8. v13 [diff vs current]
  9. v14 [diff vs current]

[PATCH v9 14/53] media: test-drivers: vivid: Increase max supported buffers for capture queues

From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2023-10-02 12:28:30
Also in: linux-arm-msm, linux-media, linux-mediatek, linux-rockchip, linux-staging, lkml
Subsystem: media input infrastructure (v4l/dvb), the rest, vivid virtual video driver · Maintainers: Mauro Carvalho Chehab, Linus Torvalds, Hans Verkuil

Change the maximum number of buffers of some capture queues in order
to test max_num_buffers field.

Allow to allocate up to:
- 64 buffers for video capture queue.
- 1024 buffers for sdr capture queue.
- 32768 buffers for vbi capture queue.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
 drivers/media/test-drivers/vivid/vivid-core.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index e95bdccfc18e..58a059140365 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.c
+++ b/drivers/media/test-drivers/vivid/vivid-core.c
@@ -876,6 +876,13 @@ static int vivid_create_queue(struct vivid_dev *dev,
 	q->type = buf_type;
 	q->io_modes = VB2_MMAP | VB2_DMABUF;
 	q->io_modes |= V4L2_TYPE_IS_OUTPUT(buf_type) ?  VB2_WRITE : VB2_READ;
+	if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		q->max_num_buffers = 64;
+	if (buf_type == V4L2_BUF_TYPE_SDR_CAPTURE)
+		q->max_num_buffers = 1024;
+	if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE)
+		q->max_num_buffers = 32768;
+
 	if (allocators[dev->inst] != 1)
 		q->io_modes |= VB2_USERPTR;
 	q->drv_priv = dev;
-- 
2.39.2


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