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authorLinus Torvalds <torvalds@linux-foundation.org>2020-09-24 09:05:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-09-24 09:05:04 -0700
commit8fa5960f575995bc8f3beb6b36c5aa6c61e7cdc0 (patch)
tree3121d352dc24b844193b4a5786c80684c0cf2bfd /drivers/media/common
parent9ef7dce564b41e012e1fb45484248a262cd69c10 (diff)
parentd0254f82d702a1d0d92e42f87676111de88846cf (diff)
Merge tag 'media/v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab: - fix a regression at the CEC adapter core - two uAPI patches (one revert) for changes in this development cycle * tag 'media/v5.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: media: dt-bindings: media: imx274: Convert to json-schema media: media/v4l2: remove V4L2_FLAG_MEMORY_NON_CONSISTENT flag media: cec-adap.c: don't use flush_scheduled_work()
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/videobuf2/videobuf2-core.c46
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-contig.c19
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-sg.c3
-rw-r--r--drivers/media/common/videobuf2/videobuf2-v4l2.c18
4 files changed, 9 insertions, 77 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index f544d3393e9d..4eab6d81cce1 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -721,39 +721,14 @@ int vb2_verify_memory_type(struct vb2_queue *q,
}
EXPORT_SYMBOL(vb2_verify_memory_type);
-static void set_queue_consistency(struct vb2_queue *q, bool consistent_mem)
-{
- q->dma_attrs &= ~DMA_ATTR_NON_CONSISTENT;
-
- if (!vb2_queue_allows_cache_hints(q))
- return;
- if (!consistent_mem)
- q->dma_attrs |= DMA_ATTR_NON_CONSISTENT;
-}
-
-static bool verify_consistency_attr(struct vb2_queue *q, bool consistent_mem)
-{
- bool queue_is_consistent = !(q->dma_attrs & DMA_ATTR_NON_CONSISTENT);
-
- if (consistent_mem != queue_is_consistent) {
- dprintk(q, 1, "memory consistency model mismatch\n");
- return false;
- }
- return true;
-}
-
int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int flags, unsigned int *count)
+ unsigned int *count)
{
unsigned int num_buffers, allocated_buffers, num_planes = 0;
unsigned plane_sizes[VB2_MAX_PLANES] = { };
- bool consistent_mem = true;
unsigned int i;
int ret;
- if (flags & V4L2_FLAG_MEMORY_NON_CONSISTENT)
- consistent_mem = false;
-
if (q->streaming) {
dprintk(q, 1, "streaming active\n");
return -EBUSY;
@@ -765,8 +740,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
}
if (*count == 0 || q->num_buffers != 0 ||
- (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory) ||
- !verify_consistency_attr(q, consistent_mem)) {
+ (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory)) {
/*
* We already have buffers allocated, so first check if they
* are not in use and can be freed.
@@ -803,7 +777,6 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
num_buffers = min_t(unsigned int, num_buffers, VB2_MAX_FRAME);
memset(q->alloc_devs, 0, sizeof(q->alloc_devs));
q->memory = memory;
- set_queue_consistency(q, consistent_mem);
/*
* Ask the driver how many buffers and planes per buffer it requires.
@@ -888,18 +861,14 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
EXPORT_SYMBOL_GPL(vb2_core_reqbufs);
int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
- unsigned int flags, unsigned int *count,
+ unsigned int *count,
unsigned int requested_planes,
const unsigned int requested_sizes[])
{
unsigned int num_planes = 0, num_buffers, allocated_buffers;
unsigned plane_sizes[VB2_MAX_PLANES] = { };
- bool consistent_mem = true;
int ret;
- if (flags & V4L2_FLAG_MEMORY_NON_CONSISTENT)
- consistent_mem = false;
-
if (q->num_buffers == VB2_MAX_FRAME) {
dprintk(q, 1, "maximum number of buffers already allocated\n");
return -ENOBUFS;
@@ -912,15 +881,12 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
}
memset(q->alloc_devs, 0, sizeof(q->alloc_devs));
q->memory = memory;
- set_queue_consistency(q, consistent_mem);
q->waiting_for_buffers = !q->is_output;
} else {
if (q->memory != memory) {
dprintk(q, 1, "memory model mismatch\n");
return -EINVAL;
}
- if (!verify_consistency_attr(q, consistent_mem))
- return -EINVAL;
}
num_buffers = min(*count, VB2_MAX_FRAME - q->num_buffers);
@@ -2581,7 +2547,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
fileio->memory = VB2_MEMORY_MMAP;
fileio->type = q->type;
q->fileio = fileio;
- ret = vb2_core_reqbufs(q, fileio->memory, 0, &fileio->count);
+ ret = vb2_core_reqbufs(q, fileio->memory, &fileio->count);
if (ret)
goto err_kfree;
@@ -2638,7 +2604,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
err_reqbufs:
fileio->count = 0;
- vb2_core_reqbufs(q, fileio->memory, 0, &fileio->count);
+ vb2_core_reqbufs(q, fileio->memory, &fileio->count);
err_kfree:
q->fileio = NULL;
@@ -2658,7 +2624,7 @@ static int __vb2_cleanup_fileio(struct vb2_queue *q)
vb2_core_streamoff(q, q->type);
q->fileio = NULL;
fileio->count = 0;
- vb2_core_reqbufs(q, fileio->memory, 0, &fileio->count);
+ vb2_core_reqbufs(q, fileio->memory, &fileio->count);
kfree(fileio);
dprintk(q, 3, "file io emulator closed\n");
}
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
index ec3446cc45b8..7b1b86ec942d 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
@@ -42,11 +42,6 @@ struct vb2_dc_buf {
struct dma_buf_attachment *db_attach;
};
-static inline bool vb2_dc_buffer_consistent(unsigned long attr)
-{
- return !(attr & DMA_ATTR_NON_CONSISTENT);
-}
-
/*********************************************/
/* scatterlist table functions */
/*********************************************/
@@ -341,13 +336,6 @@ static int
vb2_dc_dmabuf_ops_begin_cpu_access(struct dma_buf *dbuf,
enum dma_data_direction direction)
{
- struct vb2_dc_buf *buf = dbuf->priv;
- struct sg_table *sgt = buf->dma_sgt;
-
- if (vb2_dc_buffer_consistent(buf->attrs))
- return 0;
-
- dma_sync_sg_for_cpu(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir);
return 0;
}
@@ -355,13 +343,6 @@ static int
vb2_dc_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf,
enum dma_data_direction direction)
{
- struct vb2_dc_buf *buf = dbuf->priv;
- struct sg_table *sgt = buf->dma_sgt;
-
- if (vb2_dc_buffer_consistent(buf->attrs))
- return 0;
-
- dma_sync_sg_for_device(buf->dev, sgt->sgl, sgt->nents, buf->dma_dir);
return 0;
}
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index 0a40e00f0d7e..a86fce5d8ea8 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -123,8 +123,7 @@ static void *vb2_dma_sg_alloc(struct device *dev, unsigned long dma_attrs,
/*
* NOTE: dma-sg allocates memory using the page allocator directly, so
* there is no memory consistency guarantee, hence dma-sg ignores DMA
- * attributes passed from the upper layer. That means that
- * V4L2_FLAG_MEMORY_NON_CONSISTENT has no effect on dma-sg buffers.
+ * attributes passed from the upper layer.
*/
buf->pages = kvmalloc_array(buf->num_pages, sizeof(struct page *),
GFP_KERNEL | __GFP_ZERO);
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index 30caad27281e..cfe197df970d 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -722,22 +722,12 @@ static void fill_buf_caps(struct vb2_queue *q, u32 *caps)
#endif
}
-static void clear_consistency_attr(struct vb2_queue *q,
- int memory,
- unsigned int *flags)
-{
- if (!q->allow_cache_hints || memory != V4L2_MEMORY_MMAP)
- *flags &= ~V4L2_FLAG_MEMORY_NON_CONSISTENT;
-}
-
int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req)
{
int ret = vb2_verify_memory_type(q, req->memory, req->type);
fill_buf_caps(q, &req->capabilities);
- clear_consistency_attr(q, req->memory, &req->flags);
- return ret ? ret : vb2_core_reqbufs(q, req->memory,
- req->flags, &req->count);
+ return ret ? ret : vb2_core_reqbufs(q, req->memory, &req->count);
}
EXPORT_SYMBOL_GPL(vb2_reqbufs);
@@ -769,7 +759,6 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create)
unsigned i;
fill_buf_caps(q, &create->capabilities);
- clear_consistency_attr(q, create->memory, &create->flags);
create->index = q->num_buffers;
if (create->count == 0)
return ret != -EBUSY ? ret : 0;
@@ -813,7 +802,6 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create)
if (requested_sizes[i] == 0)
return -EINVAL;
return ret ? ret : vb2_core_create_bufs(q, create->memory,
- create->flags,
&create->count,
requested_planes,
requested_sizes);
@@ -998,12 +986,11 @@ int vb2_ioctl_reqbufs(struct file *file, void *priv,
int res = vb2_verify_memory_type(vdev->queue, p->memory, p->type);
fill_buf_caps(vdev->queue, &p->capabilities);
- clear_consistency_attr(vdev->queue, p->memory, &p->flags);
if (res)
return res;
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
- res = vb2_core_reqbufs(vdev->queue, p->memory, p->flags, &p->count);
+ res = vb2_core_reqbufs(vdev->queue, p->memory, &p->count);
/* If count == 0, then the owner has released all buffers and he
is no longer owner of the queue. Otherwise we have a new owner. */
if (res == 0)
@@ -1021,7 +1008,6 @@ int vb2_ioctl_create_bufs(struct file *file, void *priv,
p->index = vdev->queue->num_buffers;
fill_buf_caps(vdev->queue, &p->capabilities);
- clear_consistency_attr(vdev->queue, p->memory, &p->flags);
/*
* If count == 0, then just check if memory and type are valid.
* Any -EBUSY result from vb2_verify_memory_type can be mapped to 0.