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Steve Longerbeam writes:
> I think you misunderstood me. Of course there is a first and second
> field. By first I am referring to the first field transmitted, which could
> be top or bottom.
Right. I was thinking the fields are even and odd, but that's not
actually the case (I mean, the
This message is generated daily by a cron job that builds media_tree for
the kernels and architectures in the list below.
Results of the daily build of media_tree:
date: Tue Jun 5 05:00:18 CEST 2018
media-tree git hash:a00031c159748f322f771f3c1d5ed944cba4bd30
media_build
On 06/04/2018 01:27 AM, Philipp Zabel wrote:
On Mon, 2018-06-04 at 07:35 +0200, Krzysztof Hałasa wrote:
Philipp Zabel writes:
This is ok in this patch, but we can't use this check in the following
TRY_FMT patch as there is no way to interweave
SEQ_TB -> INTERLACED_BT (because in SEQ_TB
Hi Bingbu,
Please see a couple of comments below.
> -Original Message-
> From: Cao, Bingbu
> Sent: Monday, June 04, 2018 2:00 AM
> To: linux-media@vger.kernel.org
> Cc: sakari.ai...@linux.intel.com; tf...@google.com; jac...@jmondi.org;
> Mani, Rajmohan ; bingbu@linux.intel.com;
>
On 4 June 2018 at 08:46, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Integrate the request support. This adds the v4l2_ctrl_request_complete
> and v4l2_ctrl_request_setup functions to complete a request and (as a
> helper function) to apply a request to the hardware.
>
> It takes care of
On 4 June 2018 at 08:46, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Add support for requests to vim2m.
>
> Signed-off-by: Hans Verkuil
> ---
> drivers/media/platform/vim2m.c | 26 ++
> 1 file changed, 26 insertions(+)
>
> diff --git a/drivers/media/platform/vim2m.c
On 4 June 2018 at 08:46, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Add a 'bool from_other_dev' argument: set to true if the two
> handlers refer to different devices (e.g. it is true when
> inheriting controls from a subdev into a main v4l2 bridge
> driver).
>
> This will be used later when
On 06/03/2018 10:25 PM, Krzysztof Hałasa wrote:
Steve Longerbeam writes:
I think we should return to enforcing field order to userspace that
matches field order from the source, which is what I had implemented
previously. I agree with you that we should put off allowing inverting
field
Hi Sam,
On Fri, Jun 01, 2018 at 04:05:58PM -0700, Sam Bobrowicz wrote:
> >> On May 21, 2018, at 12:39 AM, Maxime Ripard
> >> wrote:
> >>
> >>> On Fri, May 18, 2018 at 07:42:34PM -0700, Sam Bobrowicz wrote:
> On Fri, May 18, 2018 at 3:35 AM, Daniel Mack wrote:
> On Thursday, May 17,
Steve or Philipp,
Can one of you verify the imx-media-fim.c patch?
See the description of the change below:
On 06/04/2018 01:46 PM, Hans Verkuil wrote:
> From: Hans Verkuil
>
> Add a 'bool from_other_dev' argument: set to true if the two
> handlers refer to different devices (e.g. it is true
Ccing Jacob at the right address.
Perhaps we should fix the MAINTAINERS file.
On Fri, 2018-06-01 at 16:49 -0300, Ezequiel Garcia wrote:
> Decided to test v4l2transform filters and found these two
> issues.
>
> Without the first commit, start_streaming fails. The second
> commit is just a
Em Tue, 16 Jan 2018 11:11:54 +0200
Sakari Ailus escreveu:
> Hello everyone,
>
> Here's the Prague Media summit report from 26th and 27th October 2017. It
> took long but finally it's here!
It took an even longer time, but I finally added it to our "news" and
added the group photo:
Hi all,
I consolidated hopefully all comments I receive on the past announcement
with regards to the complex camera workshop we're planning to happen in
Tokyo, just before the Open Source Summit in Japan.
The main focus of the workshop is to allow supporting devices with MC-based
hardware
Various fixes, esp the v4l2-ioctl.c fix is critical.
All for 4.18.
Regards,
Hans
The following changes since commit a00031c159748f322f771f3c1d5ed944cba4bd30:
media: ddbridge: conditionally enable fast TS for stv0910-equipped bridges
(2018-05-28 17:47:05 -0400)
are available in the
On Sat, May 26, 2018 at 4:18 AM Vikash Garodia wrote:
>
> Hi Josh,
>
> On 2018-05-25 17:34, Josh Boyer wrote:
> > On Fri, May 25, 2018 at 7:03 AM Vikash Garodia
> >
> > wrote:
> >
> >> This pull request adds firmware files for Venus h/w codec found on the
> > Qualcomm SDM845 chipset.
> >
> >>
Patch 258c524bdaab inadvertently removed the 'select RADIO_ISA' line for
the RADIO_RTRACK.
Fixes: 258c524bdaab ("radio: allow building ISA drivers with COMPILE_TEST")
Reported-by: Randy Dunlap
Signed-off-by: Hans Verkuil
---
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
From: Hans Verkuil
We need to serialize streamon/off with queueing new requests.
These ioctls may trigger the cancellation of a streaming
operation, and that should not be mixed with queuing a new
request at the same time.
Finally close() needs this lock since that too can trigger the
From: Sakari Ailus
media-request.h has been recently added; add it to the documentation build
as well.
Signed-off-by: Sakari Ailus
Signed-off-by: Hans Verkuil
---
Documentation/media/kapi/mc-core.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/media/kapi/mc-core.rst
From: Hans Verkuil
Add a simple helper function that tests if the driver supports
the request API.
Signed-off-by: Hans Verkuil
---
include/media/v4l2-device.h | 11 +++
1 file changed, 11 insertions(+)
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
index
From: Hans Verkuil
Add media_request_object_find to find a request object inside a
request based on ops and/or priv values.
Objects of the same type (vb2 buffer, control handler) will have
the same ops value. And objects that refer to the same 'parent'
object (e.g. the v4l2_ctrl_handler that
From: Hans Verkuil
Add media_request_get_by_fd() to find a request based on the file
descriptor.
The caller has to call media_request_put() for the returned
request since this function increments the refcount.
Signed-off-by: Hans Verkuil
Acked-by: Sakari Ailus
---
From: Hans Verkuil
Add a new helper function to tell if a request object is a buffer.
Add a new helper function that returns true if a media_request
contains at least one buffer.
Signed-off-by: Hans Verkuil
---
drivers/media/common/videobuf2/videobuf2-core.c | 17 +
From: Hans Verkuil
Add support for requests to vivid.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/vivid/vivid-core.c| 8
drivers/media/platform/vivid/vivid-kthread-cap.c | 12
drivers/media/platform/vivid/vivid-kthread-out.c | 12
From: Hans Verkuil
v4l2_ctrl uses mutexes, so we can't setup a ctrl_handler in
interrupt context. Switch to a workqueue instead and drop the timer.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/vim2m.c | 25 ++---
1 file changed, 10 insertions(+), 15 deletions(-)
From: Hans Verkuil
Keep track of the number of requests and request objects of a media
device. Helps to verify that all request-related memory is freed.
Signed-off-by: Hans Verkuil
---
drivers/media/media-device.c | 41 +++
drivers/media/media-devnode.c | 17
From: Hans Verkuil
When queuing buffers allow for passing the request that should
be associated with this buffer.
If V4L2_BUF_FLAG_REQUEST_FD is set, then request_fd is used as
the file descriptor.
If a buffer is stored in a request, but not yet queued to the
driver, then
From: Hans Verkuil
The PREPARED state becomes a problem with the request API: a buffer
could be PREPARED but dequeued, or PREPARED and in state IN_REQUEST.
PREPARED is really not a state as such, but more a property of the
buffer. So make new 'prepared' and 'synced' bools instead to remember
From: Hans Verkuil
To store request data the handler_new_ref() allocates memory
for it if needed.
Signed-off-by: Hans Verkuil
---
drivers/media/v4l2-core/v4l2-ctrls.c | 20
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c
From: Hans Verkuil
Set the first time a buffer from a request is queued to vb2.
Cleared when the queue is canceled.
Signed-off-by: Hans Verkuil
---
drivers/media/common/videobuf2/videobuf2-core.c | 2 ++
include/media/videobuf2-core.h | 3 +++
2 files changed, 5 insertions(+)
From: Hans Verkuil
Embed and initialize a media_request_object in struct v4l2_ctrl_handler.
Add a p_req field to struct v4l2_ctrl_ref that will store the
request value.
Signed-off-by: Hans Verkuil
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-ctrls.c | 1 +
From: Hans Verkuil
For mem2mem devices we have to make sure that v4l2_m2m_try_schedule()
is called whenever a request is queued.
We do that by creating a vb2_m2m_request_queue() helper that should
be used instead of the 'normal' vb2_request_queue() helper. The m2m
helper function will call
From: Hans Verkuil
This implements the V4L2 part of the request support. The main
change is that vb2_qbuf and vb2_prepare_buf now have a new
media_device pointer. This required changes to several drivers
that did not use the vb2_ioctl_qbuf/prepare_buf helper functions.
Signed-off-by: Hans
From: Hans Verkuil
Request API requires a media node. Add one to the vim2m driver so we can
use requests with it.
This probably needs a bit more work to correctly represent m2m
hardware in the media topology.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/vim2m.c | 42
From: Hans Verkuil
Add support for requests to vim2m.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/vim2m.c | 26 ++
1 file changed, 26 insertions(+)
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index 5cb077294734..1efc8033320f
From: Hans Verkuil
Integrate the request support. This adds the v4l2_ctrl_request_complete
and v4l2_ctrl_request_setup functions to complete a request and (as a
helper function) to apply a request to the hardware.
It takes care of queuing requests and correctly chaining control values
in the
From: Hans Verkuil
The userspace-provided plane data needs to be stored in
vb2_v4l2_buffer. Currently this information is applied by
__fill_vb2_buffer() which is called by the core prepare_buf
and qbuf functions, but when using requests these functions
aren't called yet since the buffer won't be
From: Hans Verkuil
Add a 'bool from_other_dev' argument: set to true if the two
handlers refer to different devices (e.g. it is true when
inheriting controls from a subdev into a main v4l2 bridge
driver).
This will be used later when implementing support for the
request API since we need to
From: Hans Verkuil
We need to initialize the request_fd field in struct vb2_v4l2_buffer
to -1 instead of the default of 0. So we need to add a new op that
is called when struct vb2_v4l2_buffer is allocated.
Signed-off-by: Hans Verkuil
---
drivers/media/common/videobuf2/videobuf2-core.c | 2 ++
From: Hans Verkuil
Add support for the media_device to vivid. This is a prerequisite
for request support.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/vivid/vivid-core.c | 61 +++
drivers/media/platform/vivid/vivid-core.h | 8 +++
2 files changed, 69
From: Hans Verkuil
Make vb2_buffer a request object.
Signed-off-by: Hans Verkuil
---
include/media/videobuf2-core.h | 4
1 file changed, 4 insertions(+)
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index cbda3968d018..df92dcdeabb3 100644
---
From: Hans Verkuil
The v4l2_g/s_ext_ctrls functions now support control handlers that
represent requests.
The v4l2_ctrls_find_req_obj() function is responsible for finding the
request from the fd.
Signed-off-by: Hans Verkuil
---
drivers/media/platform/omap3isp/ispvideo.c | 2 +-
From: Hans Verkuil
There is no need to check the vb2 state in the buf_prepare
callback: it can never be wrong.
Since VB2_BUF_STATE_PREPARED will be removed in the next patch
we'll remove this unnecessary check (and use of that state) first.
Signed-off-by: Hans Verkuil
---
From: Sakari Ailus
The v4l2_m2m_try_schedule function acquires and releases multiple
spinlocks; simplify unlocking the job lock by adding a label to unlock the
job lock and exit the function.
Signed-off-by: Sakari Ailus
---
drivers/media/v4l2-core/v4l2-mem2mem.c | 22 --
1
From: Hans Verkuil
Buffers can now be prepared or queued for a request.
A buffer is unbound from the request at vb2_buffer_done time or
when the queue is cancelled.
Signed-off-by: Hans Verkuil
---
.../media/common/videobuf2/videobuf2-core.c | 133 +-
From: Alexandre Courbot
Document the request API for V4L2 devices, and amend the documentation
of system calls influenced by it.
Signed-off-by: Alexandre Courbot
Signed-off-by: Hans Verkuil
---
.../media/uapi/mediactl/media-controller.rst | 1 +
.../media/uapi/mediactl/media-funcs.rst
From: Hans Verkuil
The next patch needs the reference to a control instead of the
control itself, so change struct v4l2_ctrl_helper accordingly.
Signed-off-by: Hans Verkuil
---
drivers/media/v4l2-core/v4l2-ctrls.c | 18 +-
1 file changed, 9 insertions(+), 9 deletions(-)
diff
From: Hans Verkuil
Define the public request API.
This adds the new MEDIA_IOC_REQUEST_ALLOC ioctl to allocate a request
and two ioctls that operate on a request in order to queue the
contents of the request to the driver and to re-initialize the
request.
Signed-off-by: Hans Verkuil
Acked-by:
From: Alexandre Courbot
If 'which' is V4L2_CTRL_WHICH_REQUEST_VAL, then the 'request_fd' field
can be used to specify a request for the G/S/TRY_EXT_CTRLS ioctls.
Signed-off-by: Alexandre Courbot
Signed-off-by: Hans Verkuil
---
drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 5 -
From: Hans Verkuil
Check if the vb2 queue uses requests, and if so refuse to
add buffers that are not part of a request.
We might relax this in the future, but for now just return
-EBUSY in that case.
Signed-off-by: Hans Verkuil
---
drivers/media/common/videobuf2/videobuf2-v4l2.c | 7 ++-
From: Hans Verkuil
Hi all,
This is version 15 of the Request API series.
The main changes compared to v14 are:
- Squashed various patches from v14 together where applicable.
- All comments to v13/v14 patches have been processed and code
adapted where applicable.
- Added new init_buffer
From: Hans Verkuil
Add initial media request support:
1) Add MEDIA_IOC_REQUEST_ALLOC ioctl support to media-device.c
2) Add struct media_request to store request objects.
3) Add struct media_request_object to represent a request object.
4) Add MEDIA_REQUEST_IOC_QUEUE/REINIT ioctl support.
From: Hans Verkuil
The generic vb2_request_validate helper function checks if
there are buffers in the request and if so, prepares (validates)
all objects in the request.
The generic vb2_request_queue helper function queues all buffer
objects in the validated request.
Signed-off-by: Hans
On 05/25/2018 05:26 PM, Hans Verkuil wrote:
> On 25/05/18 16:16, Sakari Ailus wrote:
>> Hi Hans,
>>
>> On Thu, May 24, 2018 at 10:44:13AM +0200, Hans Verkuil wrote:
>>> Memory-to-memory devices have one video node, one internal control handler
>>> but two vb2_queues (DMA engines). While often
If dev_debug was active, then the code could return without unlocking the
core mutex. Replace the return with a 'goto unlock' to ensure proper unlocking.
Fixes: 73a110623e7b ("v4l2-core: push taking ioctl mutex down to ioctl handler")
Signed-off-by: Hans Verkuil
---
diff --git
I've just tested the PAL setup: in currect situation (v4.17 + Steve's
fix-csi-interlaced.2 + "media: adv7180: fix field type" + a small cheap
PAL camera) the following produces bottom-first interlaced frames:
media-ctl -r -l '"adv7180 2-0020":0->"ipu2_csi1_mux":1[1],
From: Bingbu Cao
Add device tree bindings for asahi-kasei ak7375 voice coil lens
driver. This chip is used to drive a lens in a camera module.
Signed-off-by: Tianshu Qiu
Signed-off-by: Bingbu Cao
---
Changes since v1:
- add the MAINTAINERS change
- correct the vendor prefix from akm
From: Bingbu Cao
Add a v4l2 sub-device driver for the ak7375 lens voice coil.
This is a voice coil module using the i2c bus to control the
focus position.
ak7375 can write multiple bytes of data at a time. If more
data is received instead of the stop condition after receiving
one byte of data,
On Sat, 2018-06-02 at 10:45 -0700, Steve Longerbeam wrote:
>
> On 06/01/2018 06:13 AM, Philipp Zabel wrote:
> > Hi Krzysztof,
> >
> > On Fri, 2018-06-01 at 12:02 +0200, Krzysztof Hałasa wrote:
> > > Steve Longerbeam writes:
> > >
> > > > I tend to agree, I've found conflicting info out there
On Sat, 2018-06-02 at 10:33 -0700, Steve Longerbeam wrote:
[...]
> As I said in the other thread, I think we should put this off to some
> other time, and remove the code in ipu_csi_init_interface() that
> inverts field order according to frame size. This way, CSI will not
> be lying to userspace
On Sat, 2018-06-02 at 11:44 -0700, Steve Longerbeam wrote:
>
> On 06/01/2018 06:44 AM, Philipp Zabel wrote:
> > On Thu, 2018-05-31 at 17:30 -0700, Steve Longerbeam wrote:
> >
> > > +
> > > +.. code-block:: none
> > > +
> > > + # Setup links
> > > + media-ctl -l "'adv7180 3-0021':0 ->
On Mon, 2018-06-04 at 07:25 +0200, Krzysztof Hałasa wrote:
> Steve Longerbeam writes:
>
> > I think we should return to enforcing field order to userspace that
> > matches field order from the source, which is what I had implemented
> > previously. I agree with you that we should put off
On Mon, 2018-06-04 at 07:35 +0200, Krzysztof Hałasa wrote:
> Philipp Zabel writes:
>
> > This is ok in this patch, but we can't use this check in the following
> > TRY_FMT patch as there is no way to interweave
> > SEQ_TB -> INTERLACED_BT (because in SEQ_TB the B field is newer than T,
> > but
Mein Name ist SHANE MISSLER. Ich habe im Januar 2018 den $ 451 Millionen
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Steve Longerbeam writes:
> I think this must be legacy code from a Freescale BSP requirement
> that the CSI must always capture in T-B order. We should remove this
> code, so that the CSI always captures field 0 followed by field 1,
> irrespective
> of field affinity,
Well it now seems we could
Hi Philipp,
Philipp Zabel writes:
> My understanding is that the CCIR codes for height == 480 (NTSC)
> currently capture the second field (top) first, assuming that for NTSC
> the EAV/SAV codes are bottom-field-first.
2a38014: 010D07DF 00040596
SA EA SB EB SB EB
D07DF: 001
On 2018年06月01日 17:42, Sakari Ailus wrote:
On Fri, May 25, 2018 at 05:55:35PM +0800, bingbu@intel.com wrote:
+static int ak7375_i2c_write(struct ak7375_device *ak7375,
+ u8 addr, u16 data, int size)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(>sd);
+ int ret;
+
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