linux-stable.git/drivers/media/common, branch v5.1.2

Merge tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping

2019-03-10T18:54:48+00:00

Pull DMA mapping updates from Christoph Hellwig:

 - add debugfs support for dumping dma-debug information (Corentin
   Labbe)

 - Kconfig cleanups (Andy Shevchenko and me)

 - debugfs cleanups (Greg Kroah-Hartman)

 - improve dma_map_resource and use it in the media code

 - arch_setup_dma_ops / arch_teardown_dma_ops cleanups

 - various small cleanups and improvements for the per-device coherent
   allocator

 - make the DMA mask an upper bound and don't fail "too large" dma mask
   in the remaning two architectures - this will allow big driver
   cleanups in the following merge windows

* tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping: (21 commits)
  Documentation/DMA-API-HOWTO: update dma_mask sections
  sparc64/pci_sun4v: allow large DMA masks
  sparc64/iommu: allow large DMA masks
  sparc64: refactor the ali DMA quirk
  ccio: allow large DMA masks
  dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag
  dma-mapping: remove dma_mark_declared_memory_occupied
  dma-mapping: move CONFIG_DMA_CMA to kernel/dma/Kconfig
  dma-mapping: improve selection of dma_declare_coherent availability
  dma-mapping: remove an incorrect __iommem annotation
  of: select OF_RESERVED_MEM automatically
  device.h: dma_mem is only needed for HAVE_GENERIC_DMA_COHERENT
  mfd/sm501: depend on HAS_DMA
  dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability
  dma-mapping: add a kconfig symbol for arch_setup_dma_ops availability
  dma-mapping: move debug configuration options to kernel/dma
  dma-debug: add dumping facility via debugfs
  dma: debug: no need to check return value of debugfs_create functions
  videobuf2: replace a layering violation with dma_map_resource
  dma-mapping: don't BUG when calling dma_map_resource on RAM
  ...

media: common: fix several typos

2019-03-01T14:44:48+00:00

Use codespell to fix lots of typos over frontends.

Manually verified to avoid false-positives.

Signed-off-by: Mauro Carvalho Chehab

media: vb2: fix epoll() by calling poll_wait first

2019-02-18T19:46:20+00:00

The epoll function expects that whenever the poll file op is
called, the poll_wait function is also called. That didn't
always happen in vb2_core_poll() and vb2_poll(). Fix this,
otherwise epoll() would timeout when it shouldn't.

Signed-off-by: Hans Verkuil 
Reported-by: Yi Qingliang 
Signed-off-by: Mauro Carvalho Chehab

media: vb2: keep track of timestamp status

2019-02-18T19:44:20+00:00

If a stream is stopped, or if a USERPTR/DMABUF buffer is queued
backed by a different user address or dmabuf fd, then the timestamp
should be skipped by vb2_find_timestamp since the memory it refers
to is no longer valid.

So keep track of a 'copied_timestamp' state: it is set when the
timestamp is copied from an output to a capture buffer, and is
cleared when it is no longer valid.

Signed-off-by: Hans Verkuil 
Reviewed-by: Paul Kocialkowski 
Signed-off-by: Mauro Carvalho Chehab

media: vb2: replace bool by bitfield in vb2_buffer

2019-02-18T19:43:28+00:00

The bool type is not recommended for use in structs, so replace these
by bitfields.

Signed-off-by: Hans Verkuil 
Reviewed-by: Paul Kocialkowski 
Signed-off-by: Mauro Carvalho Chehab

media: v4l2-tpg-core: Add support for 32-bit packed YUV formats (v2)

2019-02-18T19:31:23+00:00

Add support for the following formats to tpg:
 V4L2_PIX_FMT_AYUV32
 V4L2_PIX_FMT_XYUV32
 V4L2_PIX_FMT_VUYA32
 V4L2_PIX_FMT_VUYX32

Changes from v1:
Remove the duplicate case value

Signed-off-by: Vivek Kasireddy 
Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

media: videobuf: use u64 for the timestamp internally

2019-02-07T17:11:19+00:00

Just like vb2 does, use u64 internally to store the timestamps
of the buffers. Only convert to timeval when interfacing with
userspace.

Signed-off-by: Hans Verkuil 
Acked-by: Sakari Ailus 
Signed-off-by: Mauro Carvalho Chehab

media: videobuf2: remove unused variable

2019-02-07T16:47:58+00:00

Commit 2cc1802f62e5 ("media: vb2: Keep dma-buf buffers mapped until
they are freed") removed code leaving a local variable unused.

Remove it to avoid a compiler warning.

Fixes: 2cc1802f62e5 ("media: vb2: Keep dma-buf buffers mapped until they are freed")

Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab

videobuf2: replace a layering violation with dma_map_resource

2019-02-01T08:56:41+00:00

vb2_dc_get_userptr pokes into arm direct mapping details to get the
resemblance of a dma address for a a physical address that does is
not backed by a page struct.  Not only is this not portable to other
architectures with dma direct mapping offsets, but also not to uses
of IOMMUs of any kind.  Switch to the proper dma_map_resource /
dma_unmap_resource interface instead.

Signed-off-by: Christoph Hellwig 
Acked-by: Mauro Carvalho Chehab 
Tested-by: Marek Szyprowski

media: vb2: check that buf_out_validate is present

2019-01-31T11:31:34+00:00

The buf_out_validate is required for output queues in combination
with requests. Check this.

Signed-off-by: Hans Verkuil 
Signed-off-by: Mauro Carvalho Chehab