Create v4l2-mem2mem helpers for VIDIOC_REMOVE_BUFS ioctl and
make test drivers use it.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
---
changes in version 21:
- In v4l2_m2m_ioctl_remove_bufs() check if the queue exists and
if it type macth request type.
- Do not set vidioc_remove_bufs for vim2m driver.
drivers/media/test-drivers/vicodec/vicodec-core.c | 1 +
drivers/media/test-drivers/vimc/vimc-capture.c | 1 +
drivers/media/test-drivers/visl/visl-video.c | 1 +
drivers/media/test-drivers/vivid/vivid-core.c | 1 +
drivers/media/v4l2-core/v4l2-mem2mem.c | 15 +++++++++++++++
include/media/v4l2-mem2mem.h | 2 ++
6 files changed, 21 insertions(+)
diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c
index e13f5452b927..3e011fe62ae1 100644
--- a/drivers/media/test-drivers/vicodec/vicodec-core.c
+++ b/drivers/media/test-drivers/vicodec/vicodec-core.c
@@ -1345,6 +1345,7 @@ 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_remove_bufs = v4l2_m2m_ioctl_remove_bufs,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
diff --git a/drivers/media/test-drivers/vimc/vimc-capture.c b/drivers/media/test-drivers/vimc/vimc-capture.c
index 97693561f1e4..ba7550b8ba7e 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_remove_bufs = vb2_ioctl_remove_bufs,
};
static void vimc_capture_return_all_buffers(struct vimc_capture_device *vcapture,
diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c
index b9a4b44bd0ed..f8d970319764 100644
--- a/drivers/media/test-drivers/visl/visl-video.c
+++ b/drivers/media/test-drivers/visl/visl-video.c
@@ -539,6 +539,7 @@ 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_remove_bufs = v4l2_m2m_ioctl_remove_bufs,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index 11b8520d9f57..771392f67dda 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_remove_bufs = vb2_ioctl_remove_bufs,
.vidioc_enum_input = vivid_enum_input,
.vidioc_g_input = vivid_g_input,
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 75517134a5e9..eb22d6172462 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -1386,6 +1386,21 @@ int v4l2_m2m_ioctl_create_bufs(struct file *file, void *priv,
}
EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_create_bufs);
+int v4l2_m2m_ioctl_remove_bufs(struct file *file, void *priv,
+ struct v4l2_remove_buffers *remove)
+{
+ struct v4l2_fh *fh = file->private_data;
+ struct vb2_queue *q = v4l2_m2m_get_vq(fh->m2m_ctx, remove->type);
+
+ if (!q)
+ return -EINVAL;
+ if (q->type != remove->type)
+ return -EINVAL;
+
+ return vb2_core_remove_bufs(q, remove->index, remove->count);
+}
+EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_remove_bufs);
+
int v4l2_m2m_ioctl_querybuf(struct file *file, void *priv,
struct v4l2_buffer *buf)
{
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index 7f1af1f7f912..0af330cf91c3 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -867,6 +867,8 @@ int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb);
int v4l2_m2m_ioctl_create_bufs(struct file *file, void *fh,
struct v4l2_create_buffers *create);
+int v4l2_m2m_ioctl_remove_bufs(struct file *file, void *priv,
+ struct v4l2_remove_buffers *d);
int v4l2_m2m_ioctl_querybuf(struct file *file, void *fh,
struct v4l2_buffer *buf);
int v4l2_m2m_ioctl_expbuf(struct file *file, void *fh,
--
2.40.1
