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media: atomisp: add missing wait_prepare/finish ops

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Without these ops the v4l2-compliance blocking wait test will fail.
These ops are required to ensure that when VIDIOC_DQBUF has to
wait for buffers to arrive, the queue lock is correctly released
and retaken. Otherwise the wait for a buffer would block all other
queue ioctls.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Link: https://lore.kernel.org/r/9f401f3732dd728e3d2ca508002c97b80a2eae30.1725265884.git.hverkuil-cisco@xs4all.nl
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Hans Verkuil 2024-09-02 10:31:21 +02:00 committed by Mauro Carvalho Chehab
parent d579ef05da
commit cf738cc7cf
1 changed files with 2 additions and 0 deletions
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drivers/staging/media/atomisp/pci/atomisp_fops.c
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@ -441,6 +441,8 @@ const struct vb2_ops atomisp_vb2_ops = {
.buf_queue = atomisp_buf_queue,
.start_streaming = atomisp_start_streaming,
.stop_streaming = atomisp_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
static void atomisp_dev_init_struct(struct atomisp_device *isp)