| Commit message (Collapse) | Author | Age | Files | Lines |
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The ti-vpe/ sub-directory does not only contain the VPE-specific things.
It also contains the CAL driver, which is a completely different
subsystem. This is also not a good place to add new drivers for other TI
platforms since they will all get mixed up.
Separate the VPE and CAL parts into different sub-directories and rename
the ti-vpe/ sub-directory to ti/. This is now the place where new TI
platform drivers can be added.
[mchehab: rebased to apple on the top of media/platform/Kconfig series]
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
added pm_runtime_resume_and_get() in order to automatically handle
dev->power.usage_count decrement on errors.
Use the new API, in order to cleanup the error check logic.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Core code already clears reserved fields of struct
v4l2_pix_format_mplane, check commit 4e1e0eb0e074 ("media: v4l2-ioctl: Zero
v4l2_plane_pix_format reserved fields").
Cc: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code, causing incorrect ref count if
pm_runtime_put_noidle() is not called in error handling paths.
And also, when the call of function vpe_runtime_get() failed,
we won't call vpe_runtime_put().
Thus call pm_runtime_put_noidle() if pm_runtime_get_sync() fails
inside vpe_runtime_get().
Fixes: 4571912743ac ("[media] v4l: ti-vpe: Add VPE mem to mem driver")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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It's all too easy to get confused by the V4L2_TYPE_IS_OUTPUT
macro, when it's used as !V4L2_TYPE_IS_OUTPUT.
Reduce the risk of confusion with macro to explicitly
check for the CAPTURE queue type case.
This change does not affect functionality, and it's
only intended to make the code more readable.
Suggested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: checkpatch: align with parenthesis]
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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'GRABBER' is a weird name, all other types map to the /dev
device names. Rename to 'VIDEO' to be consistent with the
other types.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Update the compatible string to match the updated bindings.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Up to now VPE was relying on the colorspace value of struct v4l2_format
as an indication to perform color space conversion from YUV to RGB or
not.
Instead we should used the source/destination fourcc codes as a more
reliable indication to perform color space conversion or not.
To do so, we rework the csc module to use "struct v4l2_format *" as
parameters, and reorganize the coefficients tables in a more logical
way.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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All 4 of the "colorspace" components were not originally handled.
Causing issue related to xfer_func not being initialized properly.
This was found with v4l2-compliance test.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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For each queue we need to maintain resolutions, pixel format,
bytesperline, sizeimage, colorspace, etc.
Instead of manually adding more entries in the vpe_q_data struct, it is
better to just add a "struct v4l2_format" member and use that to store
all needed information.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
[hverkuil@xs4all.nl: fix checkpatch warning]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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VPE uses VPDMA (built-in dma engine) to transfer data to and from the IP
and memory. VPDMA expect 32 bits addresses. To make sure that is always
the case set the DMA mask and coherent mask for the device.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2-compliance fails with this message:
fail: v4l2-test-buffers.cpp(691): ret == 0
fail: v4l2-test-buffers.cpp(974): captureBufs(node, q, m2m_q,
frame_count, true)
test MMAP: FAIL
This caused the following Kernel Warning:
WARNING: CPU: 0 PID: 961 at
drivers/media/v4l2-core/videobuf2-core.c:1658
__vb2_queue_cancel+0x174/0x1d8
...
CPU: 0 PID: 961 Comm: v4l2-compliance Not tainted
4.14.62-01720-g20ecd717e87a #6
Hardware name: Generic DRA72X (Flattened Device Tree)
Backtrace:
[<c020b5bc>] (dump_backtrace) from [<c020b8a0>] (show_stack+0x18/0x1c)
r7:00000009 r6:60070013 r5:00000000 r4:c1053824
[<c020b888>] (show_stack) from [<c09232e8>] (dump_stack+0x90/0xa4)
[<c0923258>] (dump_stack) from [<c022b740>] (__warn+0xec/0x104)
r7:00000009 r6:c0c0ad50 r5:00000000 r4:00000000
[<c022b654>] (__warn) from [<c022b810>] (warn_slowpath_null+0x28/0x30)
r9:00000008 r8:00000000 r7:eced4808 r6:edbc9bac r5:eced4844
r4:eced4808
[<c022b7e8>] (warn_slowpath_null) from [<c0726f48>]
(__vb2_queue_cancel+0x174/0x1d8)
[<c0726dd4>] (__vb2_queue_cancel) from [<c0727648>]
(vb2_core_queue_release+0x20/0x40)
r10:ecc7bd70 r9:00000008 r8:00000000 r7:edb73010 r6:edbc9bac
r5:eced4844
r4:eced4808 r3:00000004
[<c0727628>] (vb2_core_queue_release) from [<c0729528>]
(vb2_queue_release+0x10/0x14)
r5:edbc9810 r4:eced4800
[<c0729518>] (vb2_queue_release) from [<c0724d08>]
(v4l2_m2m_ctx_release+0x1c/0x30)
[<c0724cec>] (v4l2_m2m_ctx_release) from [<bf0e8f28>]
(vpe_release+0x74/0xb0 [ti_vpe])
r5:edbc9810 r4:ed67a400
[<bf0e8eb4>] (vpe_release [ti_vpe]) from [<c070fccc>]
(v4l2_release+0x3c/0x80)
r7:edb73010 r6:ed176aa0 r5:edbc9868 r4:ed5119c0
[<c070fc90>] (v4l2_release) from [<c033cf1c>] (__fput+0x8c/0x1dc)
r5:ecc7bd70 r4:ed5119c0
[<c033ce90>] (__fput) from [<c033d0cc>] (____fput+0x10/0x14)
r10:00000000 r9:ed5119c0 r8:ece392d0 r7:c1059544 r6:ece38d80
r5:ece392b4
r4:00000000
[<c033d0bc>] (____fput) from [<c0246e00>] (task_work_run+0x98/0xb8)
[<c0246d68>] (task_work_run) from [<c022f1d8>] (do_exit+0x170/0xa80)
r9:ece351fc r8:00000000 r7:ecde3f58 r6:ffffe000 r5:ece351c0
r4:ece38d80
[<c022f068>] (do_exit) from [<c022fb6c>] (do_group_exit+0x48/0xc4)
r7:000000f8
[<c022fb24>] (do_group_exit) from [<c022fc00>]
(__wake_up_parent+0x0/0x28)
r7:000000f8 r6:b6c6a798 r5:00000001 r4:00000001
[<c022fbe8>] (SyS_exit_group) from [<c0207c80>]
(ret_fast_syscall+0x0/0x4c)
These warnings are caused by buffers which not properly cleaned
up/release during an abort use case.
In the abort cases the VPDMA desc buffers would still be mapped and the
in-flight VB2 buffers would not be released properly causing a kernel
warning from being generated by the videobuf2-core level.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2-compliance fails with this message:
fail: v4l2-test-buffers.cpp(294): \
(int)g_sequence() < seq.last_seq + 1
fail: v4l2-test-buffers.cpp(740): \
buf.check(m2m_q, last_m2m_seq)
fail: v4l2-test-buffers.cpp(974): \
captureBufs(node, q, m2m_q, frame_count, true)
test MMAP: FAIL
The driver is failing to update the source frame sequence number in the
vb2 buffer object. Only the destination frame sequence was being
updated.
This is only a reporting issue if the user space app actually cares
about the frame sequence number. But it is fixed nonetheless.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2-compliance fails with this message:
fail: v4l2-test-formats.cpp(463): !pfmt.sizeimage
fail: v4l2-test-formats.cpp(736): \
Video Capture Multiplanar is valid, \
but TRY_FMT failed to return a format
test VIDIOC_TRY_FMT: FAIL
This failure is causd by the driver failing to handle out range
'bytesperline' values from user space applications.
VPDMA hardware is limited to 64k line stride (16 bytes aligned, so 65520
bytes). So make sure the provided or calculated 'bytesperline' is
smaller than the maximum value.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2-compliance fails with this message:
fail: v4l2-test-formats.cpp(672): \
Video Capture Multiplanar: TRY_FMT(G_FMT) != G_FMT
fail: v4l2-test-formats.cpp(672): \
Video Output Multiplanar: TRY_FMT(G_FMT) != G_FMT
...
test VIDIOC_TRY_FMT: FAIL
The default pixel format was setup as pointing to a specific offset in
the vpe_formats table assuming it was pointing to the V4L2_PIX_FMT_YUYV
entry. This became false after the addition on the NV21 format (see
above commid-id)
So instead of hard-coding an offset which might change over time we need
to use a lookup helper instead so we know the default will always be what
we intended.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Fixes: 40cc823f7005 ("media: ti-vpe: Add support for NV21 format")
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2-compliance warns with this message:
warn: v4l2-test-formats.cpp(717): \
TRY_FMT cannot handle an invalid pixelformat.
warn: v4l2-test-formats.cpp(718): \
This may or may not be a problem. For more information see:
warn: v4l2-test-formats.cpp(719): \
http://www.mail-archive.com/linux-media@vger.kernel.org/msg56550.html
...
test VIDIOC_TRY_FMT: FAIL
We need to make sure that the returns a valid pixel format in all
instance. Based on the v4l2 framework convention drivers must return a
valid pixel format when the requested pixel format is either invalid or
not supported.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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v4l2-compliance fails with this message:
warn: v4l2-test-formats.cpp(717): \
TRY_FMT cannot handle an invalid pixelformat.
test VIDIOC_TRY_FMT: FAIL
This causes the following kernel panic:
Unable to handle kernel paging request at virtual address 56595561
pgd = ecd80e00
*pgd=00000000
Internal error: Oops: 205 [#1] PREEMPT SMP ARM
...
CPU: 0 PID: 930 Comm: v4l2-compliance Not tainted \
4.14.62-01715-gc8cd67f49a19 #1
Hardware name: Generic DRA72X (Flattened Device Tree)
task: ece44d80 task.stack: ecc6e000
PC is at __vpe_try_fmt+0x18c/0x2a8 [ti_vpe]
LR is at 0x8
Because the driver fails to properly check the 'num_planes' values for
proper ranges it ends up accessing out of bound data causing the kernel
panic.
Since this driver only handle single or dual plane pixel format, make
sure the provided value does not exceed 2 planes.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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VPE's max height supported MAX_H is set to 1184 which is the
padded height from VC1 decoder output.
In case of 90, 270 degree rotated video processing, input to
VPE will be 1080x1920, 720x1280 etc and MAX_H needs to be set
correct value. Setting MAX_H to 2048 as worst case height.
Signed-off-by: Ram Prasad <x0038811@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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In NV21 format, the chroma plane is written to memory such that the U
and V components are swapped for NV12.
Create a new entry in the VPDMA formats to describe the correct data
types used in the data descriptors.
Update all checks for NV12 and add NV21 there as well.
Add support for V4L2_PIX_FMT_NV21 format for both capture and output
streams.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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SEQ_BT indicates the buffer for bottom field needs to be processed
before the top field.
Simplify the field selection logic to support SEQ_BT as well.
Modify the interlace flags to include any of alternate, SEQ_TB, SEQ_BT.
Update other format error checking to consider SEQ_BT.
Replace SEQ_TB with SEQ_XX wherever applicable.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Instead of saving a pointer to the 'fh' member of struct vpe_ctx to
later have to use container_of to retrieve the actual pointer to the
context structure, which seems to confuse static code analysis tool
anyways, just save the pointer to the actual structure and then retrieve
it directly.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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A few NULL pointer checks were missing.
Add check with appropriate return code.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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commit 3dc2046ca78b ("[media] media: ti-vpe: vpe: allow use of user
specified stride") and commit da4414eaed15 ("[media] media: ti-vpe: vpdma:
add support for user specified stride") resulted in the Motion Vector
stride to be the same as the image stride.
This caused memory corruption in the output image as mentioned in
commit 00db969964c8 ("[media] media: ti-vpe: vpe: Fix line stride
for output motion vector").
Fixes: 3dc2046ca78b ("[media] media: ti-vpe: vpe: allow use of user specified stride")
Fixes: da4414eaed15 ("[media] media: ti-vpe: vpdma: add support for user specified stride")
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The V4L2 core sets the format description and flags for the driver in order
to ensure consistent naming.
So drop the strscpy of the description in drivers. Also remove any
description strings in driver-internal structures since those are
no longer needed.
And in am437x-vpfe.c drop an unnecessary f->type assignment in
vpfe_enum_fmt().
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Acked-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[hverkuil-cisco@xs4all.nl: addressed some small suggestions from Laurent]
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new Atmel microship ISC driver
- coda has gained support for mpeg2 and mpeg4
- cxusb gained support for analog TV
- rockchip staging driver was split into two separate staging drivers
- added a new staging driver for Allegro DVT video IP core
- added a new staging driver for Amlogic Meson video decoder
- lots of improvements and cleanups
* tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits)
media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs
media: doc-rst: Fix typos
media: radio-raremono: change devm_k*alloc to k*alloc
media: stv0297: fix frequency range limit
media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes
media: dvb_frontend: split dvb_frontend_handle_ioctl function
media: mceusb: disable "nonsensical irdata" messages
media: rc: remove redundant dev_err message
media: cec-notifier: add new notifier functions
media: cec: add struct cec_connector_info support
media: cec-notifier: rename variables, check kstrdup and n->conn_name
media: MAINTAINERS: Add maintainers for Media Controller
media: staging: media: tegra-vde: Defer dmabuf's unmapping
media: staging: media: tegra-vde: Add IOMMU support
media: hdpvr: fix locking and a missing msleep
media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
media: atmel: atmel-isc: fix i386 build error
media: v4l2-ctrl: Move compound control initialization
media: hantro: Use vb2_get_buffer
media: pci: cx88: Change the type of 'missed' to u64
...
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Support for multiplanar and singleplanar formats is mutually exclusive,
at least in practice. In our attempt to unify support for support for
mplane and !mplane in v4l, let's get rid of the
->vidioc_enum_fmt_{vid,out}_cap_mplane() hooks and call
->vidioc_enum_fmt_{vid,out}_cap() instead.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
[hverkuil-cisco@xs4all.nl: fix typos: pirv -> priv and prov -> priv]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This is needed if we want the core to be able to check _MPLANE support
without having to call the ->vidioc_querycap() hook.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The strncpy() function is being deprecated upstream. Replace
it by the safer strscpy().
While here, replace a few occurences of strlcpy() that were
recently added to also use strscpy().
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Use codespell to fix lots of typos over frontends.
Manually verified to avoid false-positives.
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Houlong Wei <houlong.wei@mediatek.com>
Reviewed-by: Yong Deng <yong.deng@magewell.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Commit f1a81afc98e3 ("[media] m2m: fix bad unlock balance")
removed the last use of v4l2_m2m_ops.lock and
v4l2_m2m_ops.unlock hooks. They are not actually
used anymore. Remove them.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Name is already initialized by assignment from vpe_videodev.
Signed-off-by: Anton Leontiev <scileont@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Several comments are wrongly tagged as kernel-doc, causing
those warnings:
drivers/media/rc/st_rc.c:98: warning: No description found for parameter 'irq'
drivers/media/rc/st_rc.c:98: warning: No description found for parameter 'data'
drivers/media/pci/solo6x10/solo6x10-enc.c:183: warning: No description found for parameter 'solo_dev'
drivers/media/pci/solo6x10/solo6x10-enc.c:183: warning: No description found for parameter 'ch'
drivers/media/pci/solo6x10/solo6x10-enc.c:183: warning: No description found for parameter 'qp'
drivers/media/usb/pwc/pwc-dec23.c:652: warning: Cannot understand *
on line 652 - I thought it was a doc line
drivers/media/usb/dvb-usb/cinergyT2-fe.c:40: warning: No description found for parameter 'op'
drivers/media/usb/dvb-usb/friio-fe.c:301: warning: Cannot understand * (reg, val) commad list to initialize this module.
on line 301 - I thought it was a doc line
drivers/media/rc/streamzap.c:201: warning: No description found for parameter 'urb'
drivers/media/rc/streamzap.c:333: warning: No description found for parameter 'intf'
drivers/media/rc/streamzap.c:333: warning: No description found for parameter 'id'
drivers/media/rc/streamzap.c:464: warning: No description found for parameter 'interface'
drivers/media/i2c/ov5647.c:432: warning: Cannot understand * @short Subdev core operations registration
on line 432 - I thought it was a doc line
drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'd'
drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'addr'
drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'wbuf'
drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'wlen'
drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'rbuf'
drivers/media/usb/dvb-usb/friio.c:35: warning: No description found for parameter 'rlen'
drivers/media/platform/vim2m.c:350: warning: No description found for parameter 'priv'
drivers/media/dvb-frontends/tua6100.c:34: warning: cannot understand function prototype: 'struct tua6100_priv '
drivers/media/platform/sti/hva/hva-h264.c:140: warning: cannot understand function prototype: 'struct hva_h264_stereo_video_sei '
drivers/media/platform/sti/hva/hva-h264.c:150: warning: Cannot understand * @frame_width: width in pixels of the buffer containing the input frame
on line 150 - I thought it was a doc line
drivers/media/platform/sti/hva/hva-h264.c:356: warning: Cannot understand * @ slice_size: slice size
on line 356 - I thought it was a doc line
drivers/media/platform/sti/hva/hva-h264.c:369: warning: Cannot understand * @ bitstream_size: bitstream size
on line 369 - I thought it was a doc line
drivers/media/platform/sti/hva/hva-h264.c:395: warning: Cannot understand * @seq_info: sequence information buffer
on line 395 - I thought it was a doc line
drivers/media/dvb-frontends/sp887x.c:137: warning: No description found for parameter 'fe'
drivers/media/dvb-frontends/sp887x.c:137: warning: No description found for parameter 'fw'
drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'n'
drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'd'
drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'quotient_i'
drivers/media/dvb-frontends/sp887x.c:287: warning: No description found for parameter 'quotient_f'
drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c:83: warning: cannot understand function prototype: 'struct ttusb '
drivers/media/platform/sh_veu.c:277: warning: No description found for parameter 'priv'
drivers/media/dvb-frontends/zl10036.c:33: warning: cannot understand function prototype: 'int zl10036_debug; '
drivers/media/dvb-frontends/zl10036.c:179: warning: No description found for parameter 'state'
drivers/media/dvb-frontends/zl10036.c:179: warning: No description found for parameter 'frequency'
drivers/media/platform/rcar_fdp1.c:1139: warning: No description found for parameter 'priv'
drivers/media/platform/ti-vpe/vpe.c:933: warning: No description found for parameter 'priv'
drivers/media/usb/gspca/ov519.c:36: warning: No description found for parameter 'fmt'
drivers/media/usb/dvb-usb/dib0700_devices.c:3367: warning: No description found for parameter 'adap'
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Make these const as they are only used during a copy operation.
Done using Coccinelle:
@match disable optional_qualifier@
identifier s;
@@
static struct video_device s = {...};
@ref@
position p;
identifier match.s;
@@
s@p
@good1@
identifier match.s;
expression list[3] es;
position ref.p;
@@
cx88_vdev_init(es,&s@p,...)
@good2@
position ref.p;
identifier match.s,f,c;
expression e;
@@
(
e = s@p
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e = s@p.f
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c(...,s@p.f,...)
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c(...,s@p,...)
)
@bad depends on !good1 && !good2@
position ref.p;
identifier match.s;
@@
s@p
@depends on forall !bad disable optional_qualifier@
identifier match.s;
@@
static
+ const
struct video_device s;
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The v4l2_m2m_ops structures are only passed as the only
argument to v4l2_m2m_init, which is declared as const.
Thus the v4l2_m2m_ops structures themselves can be const.
Done with the help of Coccinelle.
// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct v4l2_m2m_ops i@p = { ... };
@ok1@
identifier r.i;
position p;
@@
v4l2_m2m_init(&i@p)
@bad@
position p != {r.p,ok1.p};
identifier r.i;
struct v4l2_m2m_ops e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct v4l2_m2m_ops i = { ... };
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Bytesperline/stride was always overwritten by VPE to the most
adequate value based on needed alignment.
However in order to make use of arbitrary size DMA buffer it
is better to use the user space provide stride instead.
The driver will still calculate an appropriate stride but will
use the provided one when it is larger than the calculated one.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch introduce the needed vpdma API changes to support
user space specified stride instead of forcing a driver calculated
one.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When compiled on i386, it produces several warnings:
./arch/x86/include/asm/bitops.h:457:22: warning: asm output is not an lvalue
./arch/x86/include/asm/bitops.h:457:22: warning: asm output is not an lvalue
./arch/x86/include/asm/bitops.h:457:22: warning: asm output is not an lvalue
./arch/x86/include/asm/bitops.h:457:22: warning: asm output is not an lvalue
./arch/x86/include/asm/bitops.h:457:22: warning: asm output is not an lvalue
./arch/x86/include/asm/bitops.h:457:22: warning: asm output is not an lvalue
I suspect that some gcc optimization could be causing the asm code to be
incorrectly generated. Splitting it into two macro calls fix the issues
and gets us rid of 6 smatch warnings, with is a good thing. As it should
not cause any troubles, as we're basically doing the same thing, let's
apply such change to vpe.c.
Cc: Benoit Parrot <bparrot@ti.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The VPE was restricting the number of plane per buffer based on
the fact that if a particular format had color separation it was
meant to need 2 planes.
However NV12/NV16 are color separate format which are meant to be
presented in a single contiguous buffer/plane.
It could also be presented in a multi-plane as well if need be.
So we must support both modes for more flexibility.
The number of plane requested by user space was previously ignored
and was therefore always overwritten.
The driver now use the requested num plane as hint to calculate needed
offset when required.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In preparation to add colorspace conversion support to VIP,
we need to turn csc.c into its own kernel module.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When scaler is to be used we need to make sure that the input and
output frame size do not exceed the maximum frame sizes that the
scaler h/w can handle otherwise streaming stall as the scaler
cannot proceed.
The scaler buffer is limited to 2047 pixels (i.e. 11 bits) when
attempting anything larger (2048 for example) the scaler stalls.
Realistically in an mem2mem device we can only check for this type
of issue when start_streaming is called. We can't do it during the
try_fmt/s_fmt because we do not have all of the info needed at that
point. So instead when start_streaming is called we need to check
that the input and output frames size do not exceed the scaler's
capability. The only time larger frame size are allowed is when
the input frame szie is the same as the output frame size.
Now in the case where we need to fail, start_streaming must return
all previously queued buffer back otherwise the vb2 framework
will issue kernel WARN messages.
In this case we also give an error message.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In preparation to add scaler support into VIP we need to
turn sc.c into its own kernel module.
Add support for multiple SC memory block as VIP contains
2 scaler instances.
This is done by passing the resource name to sc_create() and
modify the vpe invocation accordingly.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Allow VPE to be able to export DMA buffer.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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For deinterlacing operation, VPE hardware uses motion vectors.
MV calculated in the previous iteration are used for next interation.
Therefore driver allocates two motion vectors in ping-pong fashion.
For every transaction, one MV is DMAed in and one is DMAed out.
All the outbound DMAs (DMA to memory) use output parameters, but as
the motion vectors is generated purely out of input fields, it should
use the input parameters for DMA.
Fix the add_out_dtd to use source q_data for creating descriptor.
If the output size is greater than input stride, without this change,
MV DMA may overwrite the buffer causing memory corruption.
This CRITICAL fix ensures that the motion vector DMA descriptor is
created based on the attributes with which the buffer was allocated.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Ravikumar Kattekola <rk@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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vpdma_create API is supposed to allocated the struct vpdma_data and
return it to the driver. Also, it would call the callback function
when the VPDMA firmware is loaded.
Typically, VPE driver have following function call:
dev->vpdma = vpdma_create(pdev, firmware_load_callback);
And the callback implementation would continue the probe further.
Also, the dev->vpdma is accessed from the callback implementation.
This may lead to race condition between assignment of dev->vpdma
and the callback function being triggered.
This would lead to kernel crash because of NULL pointer access.
Fix this by passing a driver wrapped &vpdma_data instead of allocating
inside vpdma_create.
Change the vpdma_create prototype accordingly and fix return paths.
Also, update the VPE driver to use the updated API and
initialize the dev->vpdma before hand so that the race condition
is avoided.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When stop_streaming is called we need to cleanup the queued
vb2 buffers properly.
This was not previously being done which caused kernel
warning when the application using the resources was killed.
Kernel warnings were also generated on successful completion
of a de-interlacing case as well as upon aborting a
conversion.
Make sure every vb2 buffers is properly handled in all cases.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The YUV data type definition below are taken from
both the TRM and i839 Errata information.
Use the correct data type considering byte
reordering of components.
Added the 2 missing YUV422 variant.
Also since the single use of "C" in the 422 case
to mean "Cr" (i.e. V component). It was decided
to explicitly label them CR to remove any confusion.
Bear in mind that the type label refer to the memory
packed order (LSB - MSB).
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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ti_vpe module currently does not get loaded automatically.
Added MODULE_DEVICE_TABLE hint to the driver to assist.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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VPE hardware can generate output in RGB565 or in RGB5551 format.
Add these formats in the supported format list for CAPTURE stream.
Also, for RGB5551 format, the alpha component is not processed,
so the alpha value is taken from the default color.
Set the default color to make alpha component full when the dst
format is of RGB color space.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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vpe_irq checks for the possible interrupt sources and prints the
errors for the DEI_ERROR and DS_UV interrupts. But it also post the
next descriptor list irrespective of whichever interrupt has occurred.
Because of this, driver may release the buffers even before DMA is
complete and also schedule next descriptor list.
Fix this by _actually_ handling the IRQ only when ListComplete IRQ
occurs.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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