| Message ID | 20231031163104.112469-57-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add DELETE_BUF ioctl | expand |
On Tue, Oct 31, 2023 at 05:31:04PM +0100, Benjamin Gaignard wrote: > Allow test drivers to use DELETE_BUFS by adding vb2_ioctl_delete_bufs() helper. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > --- > drivers/media/test-drivers/vicodec/vicodec-core.c | 2 ++ > drivers/media/test-drivers/vimc/vimc-capture.c | 2 ++ > drivers/media/test-drivers/visl/visl-video.c | 2 ++ > drivers/media/test-drivers/vivid/vivid-core.c | 13 ++++++++++--- > 4 files changed, 16 insertions(+), 3 deletions(-) > > diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c > index 69cbe2c094e1..f14a8fd506d0 100644 > --- a/drivers/media/test-drivers/vicodec/vicodec-core.c > +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c > @@ -1339,6 +1339,7 @@ static const struct v4l2_ioctl_ops vicodec_ioctl_ops = { > .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, > .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, > .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, > + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, > > .vidioc_streamon = v4l2_m2m_ioctl_streamon, > .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, > @@ -1725,6 +1726,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, > dst_vq->mem_ops = &vb2_vmalloc_memops; > dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; > dst_vq->lock = src_vq->lock; > + dst_vq->supports_delete_bufs = true; Since we have to explicitly provide the vidioc_delete_bufs callback anyway, is there any value in having a separate supports_delete_bufs flag? Or we envision that some drivers would support deleting buffers only for some queues? Best regards, Tomasz
Le 09/11/2023 à 10:43, Tomasz Figa a écrit : > On Tue, Oct 31, 2023 at 05:31:04PM +0100, Benjamin Gaignard wrote: >> Allow test drivers to use DELETE_BUFS by adding vb2_ioctl_delete_bufs() helper. >> >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >> --- >> drivers/media/test-drivers/vicodec/vicodec-core.c | 2 ++ >> drivers/media/test-drivers/vimc/vimc-capture.c | 2 ++ >> drivers/media/test-drivers/visl/visl-video.c | 2 ++ >> drivers/media/test-drivers/vivid/vivid-core.c | 13 ++++++++++--- >> 4 files changed, 16 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c >> index 69cbe2c094e1..f14a8fd506d0 100644 >> --- a/drivers/media/test-drivers/vicodec/vicodec-core.c >> +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c >> @@ -1339,6 +1339,7 @@ static const struct v4l2_ioctl_ops vicodec_ioctl_ops = { >> .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, >> .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, >> .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, >> + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, >> >> .vidioc_streamon = v4l2_m2m_ioctl_streamon, >> .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, >> @@ -1725,6 +1726,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, >> dst_vq->mem_ops = &vb2_vmalloc_memops; >> dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; >> dst_vq->lock = src_vq->lock; >> + dst_vq->supports_delete_bufs = true; > Since we have to explicitly provide the vidioc_delete_bufs callback anyway, > is there any value in having a separate supports_delete_bufs flag? Or we > envision that some drivers would support deleting buffers only for some > queues? That exactly the case for Hantro driver, it can support deleting buffers on capture queue but not on output queue. > > Best regards, > Tomasz >
On Thu, Nov 9, 2023 at 6:46 PM Benjamin Gaignard <benjamin.gaignard@collabora.com> wrote: > > > Le 09/11/2023 à 10:43, Tomasz Figa a écrit : > > On Tue, Oct 31, 2023 at 05:31:04PM +0100, Benjamin Gaignard wrote: > >> Allow test drivers to use DELETE_BUFS by adding vb2_ioctl_delete_bufs() helper. > >> > >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > >> --- > >> drivers/media/test-drivers/vicodec/vicodec-core.c | 2 ++ > >> drivers/media/test-drivers/vimc/vimc-capture.c | 2 ++ > >> drivers/media/test-drivers/visl/visl-video.c | 2 ++ > >> drivers/media/test-drivers/vivid/vivid-core.c | 13 ++++++++++--- > >> 4 files changed, 16 insertions(+), 3 deletions(-) > >> > >> diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c > >> index 69cbe2c094e1..f14a8fd506d0 100644 > >> --- a/drivers/media/test-drivers/vicodec/vicodec-core.c > >> +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c > >> @@ -1339,6 +1339,7 @@ static const struct v4l2_ioctl_ops vicodec_ioctl_ops = { > >> .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, > >> .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, > >> .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, > >> + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, > >> > >> .vidioc_streamon = v4l2_m2m_ioctl_streamon, > >> .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, > >> @@ -1725,6 +1726,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, > >> dst_vq->mem_ops = &vb2_vmalloc_memops; > >> dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; > >> dst_vq->lock = src_vq->lock; > >> + dst_vq->supports_delete_bufs = true; > > Since we have to explicitly provide the vidioc_delete_bufs callback anyway, > > is there any value in having a separate supports_delete_bufs flag? Or we > > envision that some drivers would support deleting buffers only for some > > queues? > > That exactly the case for Hantro driver, it can support deleting buffers on > capture queue but not on output queue. Fair enough. Best regards, Tomasz
diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c index 69cbe2c094e1..f14a8fd506d0 100644 --- a/drivers/media/test-drivers/vicodec/vicodec-core.c +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c @@ -1339,6 +1339,7 @@ static const struct v4l2_ioctl_ops vicodec_ioctl_ops = { .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, .vidioc_streamon = v4l2_m2m_ioctl_streamon, .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, @@ -1725,6 +1726,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->mem_ops = &vb2_vmalloc_memops; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock = src_vq->lock; + dst_vq->supports_delete_bufs = true; return vb2_queue_init(dst_vq); } diff --git a/drivers/media/test-drivers/vimc/vimc-capture.c b/drivers/media/test-drivers/vimc/vimc-capture.c index aa944270e716..fda7ea3a6cb6 100644 --- a/drivers/media/test-drivers/vimc/vimc-capture.c +++ b/drivers/media/test-drivers/vimc/vimc-capture.c @@ -221,6 +221,7 @@ static const struct v4l2_ioctl_ops vimc_capture_ioctl_ops = { .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_delete_bufs = vb2_ioctl_delete_bufs, }; static void vimc_capture_return_all_buffers(struct vimc_capture_device *vcapture, @@ -435,6 +436,7 @@ static struct vimc_ent_device *vimc_capture_add(struct vimc_device *vimc, q->min_buffers_needed = 2; q->lock = &vcapture->lock; q->dev = v4l2_dev->dev; + q->supports_delete_bufs = true; ret = vb2_queue_init(q); if (ret) { diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c index 7cac6a6456eb..bd6c112f7846 100644 --- a/drivers/media/test-drivers/visl/visl-video.c +++ b/drivers/media/test-drivers/visl/visl-video.c @@ -521,6 +521,7 @@ const struct v4l2_ioctl_ops visl_ioctl_ops = { .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, + .vidioc_delete_bufs = v4l2_m2m_ioctl_delete_bufs, .vidioc_streamon = v4l2_m2m_ioctl_streamon, .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, @@ -728,6 +729,7 @@ int visl_queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->mem_ops = &vb2_vmalloc_memops; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock = &ctx->vb_mutex; + dst_vq->supports_delete_bufs = true; return vb2_queue_init(dst_vq); } diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c index 353f035fcd19..06b18d8e2248 100644 --- a/drivers/media/test-drivers/vivid/vivid-core.c +++ b/drivers/media/test-drivers/vivid/vivid-core.c @@ -769,6 +769,7 @@ static const struct v4l2_ioctl_ops vivid_ioctl_ops = { .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_delete_bufs = vb2_ioctl_delete_bufs, .vidioc_enum_input = vivid_enum_input, .vidioc_g_input = vivid_g_input, @@ -883,12 +884,18 @@ static int vivid_create_queue(struct vivid_dev *dev, * PAGE_SHIFT > 12, but then max_num_buffers will be clamped by * videobuf2-core.c to MAX_BUFFER_INDEX. */ - if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { q->max_num_buffers = 64; - if (buf_type == V4L2_BUF_TYPE_SDR_CAPTURE) + q->supports_delete_bufs = true; + } + if (buf_type == V4L2_BUF_TYPE_SDR_CAPTURE) { q->max_num_buffers = 1024; - if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE) + q->supports_delete_bufs = true; + } + if (buf_type == V4L2_BUF_TYPE_VBI_CAPTURE) { q->max_num_buffers = 32768; + q->supports_delete_bufs = true; + } if (allocators[dev->inst] != 1) q->io_modes |= VB2_USERPTR;
Allow test drivers to use DELETE_BUFS by adding vb2_ioctl_delete_bufs() helper. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> --- drivers/media/test-drivers/vicodec/vicodec-core.c | 2 ++ drivers/media/test-drivers/vimc/vimc-capture.c | 2 ++ drivers/media/test-drivers/visl/visl-video.c | 2 ++ drivers/media/test-drivers/vivid/vivid-core.c | 13 ++++++++++--- 4 files changed, 16 insertions(+), 3 deletions(-)