summaryrefslogtreecommitdiffstats
path: root/drivers/media/common/videobuf2/videobuf2-v4l2.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/common/videobuf2/videobuf2-v4l2.c')
-rw-r--r--drivers/media/common/videobuf2/videobuf2-v4l2.c68
1 files changed, 41 insertions, 27 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index 559a229cac41..98477a82c810 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -35,10 +35,11 @@
static int debug;
module_param(debug, int, 0644);
-#define dprintk(level, fmt, arg...) \
+#define dprintk(q, level, fmt, arg...) \
do { \
if (debug >= level) \
- pr_info("vb2-v4l2: %s: " fmt, __func__, ## arg); \
+ pr_info("vb2-v4l2: [%p] %s: " fmt, \
+ (q)->name, __func__, ## arg); \
} while (0)
/* Flags that are set by us */
@@ -66,12 +67,14 @@ static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer
/* Is memory for copying plane information present? */
if (b->m.planes == NULL) {
- dprintk(1, "multi-planar buffer passed but planes array not provided\n");
+ dprintk(vb->vb2_queue, 1,
+ "multi-planar buffer passed but planes array not provided\n");
return -EINVAL;
}
if (b->length < vb->num_planes || b->length > VB2_MAX_PLANES) {
- dprintk(1, "incorrect planes array length, expected %d, got %d\n",
+ dprintk(vb->vb2_queue, 1,
+ "incorrect planes array length, expected %d, got %d\n",
vb->num_planes, b->length);
return -EINVAL;
}
@@ -179,7 +182,7 @@ static int vb2_fill_vb2_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b
ret = __verify_length(vb, b);
if (ret < 0) {
- dprintk(1, "plane parameters verification failed: %d\n", ret);
+ dprintk(q, 1, "plane parameters verification failed: %d\n", ret);
return ret;
}
if (b->field == V4L2_FIELD_ALTERNATE && q->is_output) {
@@ -192,7 +195,7 @@ static int vb2_fill_vb2_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b
* that just says that it is either a top or a bottom field,
* but not which of the two it is.
*/
- dprintk(1, "the field is incorrectly set to ALTERNATE for an output buffer\n");
+ dprintk(q, 1, "the field is incorrectly set to ALTERNATE for an output buffer\n");
return -EINVAL;
}
vbuf->sequence = 0;
@@ -395,23 +398,23 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct media_device *md
int ret;
if (b->type != q->type) {
- dprintk(1, "%s: invalid buffer type\n", opname);
+ dprintk(q, 1, "%s: invalid buffer type\n", opname);
return -EINVAL;
}
if (b->index >= q->num_buffers) {
- dprintk(1, "%s: buffer index out of range\n", opname);
+ dprintk(q, 1, "%s: buffer index out of range\n", opname);
return -EINVAL;
}
if (q->bufs[b->index] == NULL) {
/* Should never happen */
- dprintk(1, "%s: buffer is NULL\n", opname);
+ dprintk(q, 1, "%s: buffer is NULL\n", opname);
return -EINVAL;
}
if (b->memory != q->memory) {
- dprintk(1, "%s: invalid memory type\n", opname);
+ dprintk(q, 1, "%s: invalid memory type\n", opname);
return -EINVAL;
}
@@ -423,7 +426,7 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct media_device *md
if (!is_prepare && (b->flags & V4L2_BUF_FLAG_REQUEST_FD) &&
vb->state != VB2_BUF_STATE_DEQUEUED) {
- dprintk(1, "%s: buffer is not in dequeued state\n", opname);
+ dprintk(q, 1, "%s: buffer is not in dequeued state\n", opname);
return -EINVAL;
}
@@ -442,19 +445,19 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct media_device *md
if (!(b->flags & V4L2_BUF_FLAG_REQUEST_FD)) {
if (q->requires_requests) {
- dprintk(1, "%s: queue requires requests\n", opname);
+ dprintk(q, 1, "%s: queue requires requests\n", opname);
return -EBADR;
}
if (q->uses_requests) {
- dprintk(1, "%s: queue uses requests\n", opname);
+ dprintk(q, 1, "%s: queue uses requests\n", opname);
return -EBUSY;
}
return 0;
} else if (!q->supports_requests) {
- dprintk(1, "%s: queue does not support requests\n", opname);
+ dprintk(q, 1, "%s: queue does not support requests\n", opname);
return -EBADR;
} else if (q->uses_qbuf) {
- dprintk(1, "%s: queue does not use requests\n", opname);
+ dprintk(q, 1, "%s: queue does not use requests\n", opname);
return -EBUSY;
}
@@ -484,13 +487,13 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct media_device *md
return -EINVAL;
if (b->request_fd < 0) {
- dprintk(1, "%s: request_fd < 0\n", opname);
+ dprintk(q, 1, "%s: request_fd < 0\n", opname);
return -EINVAL;
}
req = media_request_get_by_fd(mdev, b->request_fd);
if (IS_ERR(req)) {
- dprintk(1, "%s: invalid request_fd\n", opname);
+ dprintk(q, 1, "%s: invalid request_fd\n", opname);
return PTR_ERR(req);
}
@@ -500,7 +503,7 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct media_device *md
*/
if (req->state != MEDIA_REQUEST_STATE_IDLE &&
req->state != MEDIA_REQUEST_STATE_UPDATING) {
- dprintk(1, "%s: request is not idle\n", opname);
+ dprintk(q, 1, "%s: request is not idle\n", opname);
media_request_put(req);
return -EBUSY;
}
@@ -683,12 +686,12 @@ int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b)
int ret;
if (b->type != q->type) {
- dprintk(1, "wrong buffer type\n");
+ dprintk(q, 1, "wrong buffer type\n");
return -EINVAL;
}
if (b->index >= q->num_buffers) {
- dprintk(1, "buffer index out of range\n");
+ dprintk(q, 1, "buffer index out of range\n");
return -EINVAL;
}
vb = q->bufs[b->index];
@@ -743,7 +746,7 @@ int vb2_prepare_buf(struct vb2_queue *q, struct media_device *mdev,
int ret;
if (vb2_fileio_is_active(q)) {
- dprintk(1, "file io in progress\n");
+ dprintk(q, 1, "file io in progress\n");
return -EBUSY;
}
@@ -823,7 +826,7 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device *mdev,
int ret;
if (vb2_fileio_is_active(q)) {
- dprintk(1, "file io in progress\n");
+ dprintk(q, 1, "file io in progress\n");
return -EBUSY;
}
@@ -842,12 +845,12 @@ int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking)
int ret;
if (vb2_fileio_is_active(q)) {
- dprintk(1, "file io in progress\n");
+ dprintk(q, 1, "file io in progress\n");
return -EBUSY;
}
if (b->type != q->type) {
- dprintk(1, "invalid buffer type\n");
+ dprintk(q, 1, "invalid buffer type\n");
return -EINVAL;
}
@@ -871,7 +874,7 @@ EXPORT_SYMBOL_GPL(vb2_dqbuf);
int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type)
{
if (vb2_fileio_is_active(q)) {
- dprintk(1, "file io in progress\n");
+ dprintk(q, 1, "file io in progress\n");
return -EBUSY;
}
return vb2_core_streamon(q, type);
@@ -881,7 +884,7 @@ EXPORT_SYMBOL_GPL(vb2_streamon);
int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type)
{
if (vb2_fileio_is_active(q)) {
- dprintk(1, "file io in progress\n");
+ dprintk(q, 1, "file io in progress\n");
return -EBUSY;
}
return vb2_core_streamoff(q, type);
@@ -895,7 +898,7 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb)
}
EXPORT_SYMBOL_GPL(vb2_expbuf);
-int vb2_queue_init(struct vb2_queue *q)
+int vb2_queue_init_name(struct vb2_queue *q, const char *name)
{
/*
* Sanity check
@@ -931,8 +934,19 @@ int vb2_queue_init(struct vb2_queue *q)
*/
q->quirk_poll_must_check_waiting_for_buffers = true;
+ if (name)
+ strscpy(q->name, name, sizeof(q->name));
+ else
+ q->name[0] = '\0';
+
return vb2_core_queue_init(q);
}
+EXPORT_SYMBOL_GPL(vb2_queue_init_name);
+
+int vb2_queue_init(struct vb2_queue *q)
+{
+ return vb2_queue_init_name(q, NULL);
+}
EXPORT_SYMBOL_GPL(vb2_queue_init);
void vb2_queue_release(struct vb2_queue *q)
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-04 18:43:11 +0000