kernel.git/drivers/media/dvb-core, branch linux-4.20.y

Merge tag 'media/v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

2018-10-31T17:53:29Z

Pull new experimental media request API from Mauro Carvalho Chehab: "A new media request API This API is needed to support device drivers that can dynamically change their parameters for each new frame. The latest versions of Google camera and codec HAL depends on such feature. At this stage, it supports only stateless codecs. It has been discussed for a long time (at least over the last 3-4 years), and we finally reached to something that seem to work. This series contain both the API and core changes required to support it and a new m2m decoder driver (cedrus). As the current API is still experimental, the only real driver using it (cedrus) was added at staging[1]. We intend to keep it there for a while, in order to test the API. Only when we're sure that this API works for other cases (like encoders), we'll move this driver out of staging and set the API into a stone. [1] We added support for the vivid virtual driver (used only for testing) to it too, as it makes easier to test the API for the ones that don't have the cedrus hardware" * tag 'media/v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (53 commits) media: dt-bindings: Document the Rockchip VPU bindings media: platform: Add Cedrus VPU decoder driver media: dt-bindings: media: Document bindings for the Cedrus VPU driver media: v4l: Add definition for the Sunxi tiled NV12 format media: v4l: Add definitions for MPEG-2 slice format and metadata media: videobuf2-core: Rework and rename helper for request buffer count media: v4l2-ctrls.c: initialize an error return code with zero media: v4l2-compat-ioctl32.c: add missing documentation for a field media: media-request: update documentation media: media-request: EPERM -> EACCES/EBUSY media: v4l2-ctrls: improve media_request_(un)lock_for_update media: v4l2-ctrls: use media_request_(un)lock_for_access media: media-request: add media_request_(un)lock_for_access media: vb2: set reqbufs/create_bufs capabilities media: videodev2.h: add new capabilities for buffer types media: buffer.rst: only set V4L2_BUF_FLAG_REQUEST_FD for QBUF media: v4l2-ctrls: return -EACCES if request wasn't completed media: media-request: return -EINVAL for invalid request_fds media: vivid: add request support media: vivid: add mc ...

media: dvb: use signal types to discover pads

2018-09-17T17:16:19Z

On tuner pads, multiple signals are present. Be sure to get the right PAD by using them. Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

media: dvb: dmxdev: move compat_ioctl handling to dmxdev.c

2018-09-12T15:00:51Z

All dmx ioctls are compatible, and they are only implemented in one file, so we can replace the list of commands in fs/compat_ioctl.c with a single line in dmxdev. Signed-off-by: Arnd Bergmann Signed-off-by: Mauro Carvalho Chehab

media: replace strcpy() by strscpy()

2018-09-11T17:32:17Z

The strcpy() function is being deprecated upstream. Replace it by the safer strscpy(). Signed-off-by: Mauro Carvalho Chehab Reviewed-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

media: use strscpy() instead of strlcpy()

2018-09-11T17:32:17Z

The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL terminated strings. Signed-off-by: Mauro Carvalho Chehab Reviewed-by: Kees Cook Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

media: videobuf2-core: integrate with media requests

2018-08-31T15:18:35Z

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 Reviewed-by: Mauro Carvalho Chehab Signed-off-by: Mauro Carvalho Chehab

media: vb2: store userspace data in vb2_v4l2_buffer

2018-08-31T15:14:44Z

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 prepared until the media request is actually queued. In the meantime this information has to be stored somewhere and vb2_v4l2_buffer is a good place for it. The __fill_vb2_buffer callback now just copies the relevant information from vb2_v4l2_buffer into the planes array. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab

media: dvb_frontend: ensure that the step is ok for both FE and tuner

2018-08-02T22:11:46Z

The frequency step should take into account the tuner step, as, if tuner step is bigger than frontend step, the zigzag algorithm won't be doing the right thing, as it will be tuning multiple times at the same frequency. Signed-off-by: Mauro Carvalho Chehab

media: dvb: represent min/max/step/tolerance freqs in Hz

2018-08-02T22:10:48Z

Right now, satellite frontend drivers specify frequencies in kHz, while terrestrial/cable ones specify in Hz. That's confusing for developers. However, the main problem is that universal frontends capable of handling both satellite and non-satelite delivery systems are appearing. We end by needing to hack the drivers in order to support such hybrid frontends. So, convert everything to specify frontend frequencies in Hz. Tested-by: Katsuhiro Suzuki Signed-off-by: Mauro Carvalho Chehab

media: dvb: convert tuner_info frequencies to Hz

2018-08-02T20:14:50Z

Right now, satellite tuner drivers specify frequencies in kHz, while terrestrial/cable ones specify in Hz. That's confusing for developers. However, the main problem is that universal tuners capable of handling both satellite and non-satelite delivery systems are appearing. We end by needing to hack the drivers in order to support such hybrid tuners. So, convert everything to specify tuner frequencies in Hz. Plese notice that a similar patch is also needed for frontends. Tested-by: Katsuhiro Suzuki Acked-by: Michael Büsch Signed-off-by: Mauro Carvalho Chehab