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Using the field information attached to v4l2 buffers is not enough to
determine the type of field referenced by a DPB entry: the decoded
frame might contain the full picture (both top and bottom fields)
but the reference only point to one of them.
Let's add new V4L2_H264_DPB_ENTRY_FLAG_ flags to express that.
[Keep only 2 flags and add some details about they mean]
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Slave demod needs some time to wake up otherwise it may not respond to the
following probe commands. This problem manifested randomly on my Astrometa
DVB-T2 dongle.
Signed-off-by: Mario Hros <git@reversity.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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videostrong kii pro comes with a nec rc, add the keymap to the dts
Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add new entry for rc-videostrong-kii-pro in linux,rc-map-name
Signed-off-by: Mohammad Rasim <mohammad.rasim96@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There is a spelling mistake in a dev_dbg message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The address of VSP2_VI6_HGT_LBx_H are
VSP2_VI6_HGT_LB0_H : 0x3428
VSP2_VI6_HGT_LB1_H : 0x3430
VSP2_VI6_HGT_LB2_H : 0x3438
VSP2_VI6_HGT_LB3_H : 0x3440
Thus, VI6_HGT_LBn_H() macro should start from 0x3420 instead of 0x3430.
This patch fixes it.
Fixes: 26e0ca22c3b8 ("[media] v4l: Renesas R-Car VSP1 driver")
Reported-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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include/media/i2c/smiapp.h was meant to serve systems where the sensor is
enumerated through platform data. That's no longer necessary, hopefully
not even in out-of-tree use cases. Move the definitions to the appropriate
headers.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Combine the two trivial functions reading limits into one. Also rename
smiapp_get_all_limits() as smiapp_read_all_smia_limits().
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Move SMIA limit reading up, where other limit and capability handling
takes place.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Instead of direct array access, turn accessing limit information into a
function. Going forward, more elaborate CCS limits will replace most SMIA
limits, and conversion will be less complicated this way.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Use get_unaligned_be* and put_unaligned_be* functions to convert register
values to CPU endianness. Consequently, two instances of BUG() are
removed.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Use the only8 boolean to determine whether 8-bit access is required for
reading.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Commit ... prevented restarting CCDC through its interrupt handler when
it's about to be disabled. It missed to address the case when CCDC might
be enabled due to queueing a buffer. Do that now.
Fixes: dd12ed17ce9e ("omap3isp: Don't restart CCDC if we're about to stop")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Run parse-maintainers.pl and choose TI VPE/CAL record. Fix it accordingly.
Note, this is urgent fix, without which parse-maintainers.pl throws
an exception:
Odd non-pattern line ' Documentation/devicetree/bindings/media/ti,cal.yaml
' for 'TI VPE/CAL DRIVERS' at scripts/parse-maintainers.pl line 147, <$file> line 16770.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This patch fixes the checkpatch.pl warning:
WARNING: Prefer 'unsigned long' over 'unsigned long int' as the int is
unnecessary
Signed-off-by: Jean-Baptiste Jouband <jj.jouband@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Adds a driver for the 8MPix Sony IMX219 CSI2 sensor.
Whilst the sensor supports 2 or 4 CSI2 data lanes, this driver
currently only supports 2 lanes.
8MPix @ 15fps, 1080P @ 30fps (cropped FOV), and 1640x1232 (2x2 binned)
@ 30fps are currently supported.
[Sakari Ailus: make imx219_check_hwcfg static]
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add YAML device tree binding for IMX219 CMOS image sensor, and
the relevant MAINTAINERS entries.
Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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A specific tool which can be used to generate imgu intermedia
resolutions now is public on github, this patch adds this information
into ipu3.rst.
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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- Add V4L2 controls: horizontal/vertical flip,
keep SGRBG10 Bayer order output (via change v/hflip)
- Fix Bayer order output in 1296x972 binning registers
Signed-off-by: Shawn Tu <shawnx.tu@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Add new qcom,sc7180-venus DT binding schema.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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This add DT compatible string and resource structure for sc7180.
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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After transitioning to YAML DT schema we don't need this old-style
document.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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In order to use dynamic video codec assignment add a new sdm845-v2
DT compatible and new venus_resource structure to cover the binding
where all pmdomains and clocks are under the venus_core control.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Add new qcom,sdm845-venus-v2 DT binding schema.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Convert qcom,sdm845-venus Venus binding to DT schema.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Convert qcom,msm8996-venus Venus binding to DT schema.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Convert qcom,msm8916-venus Venus binding to DT schema
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Handle 10bit video streams in the decoder by using dithering, i.e
the decoder output buffers will be in 8bit format.
The runtime handling is implemented by sending v4l2 event to
userspace application, then the application should stop the
streaming on capture queue and initiate format negotiation, and
start streaming again.
Signed-off-by: Aniket Masule <amasule@codeaurora.org>
Co-developed-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Presently the core (vcodec pipelines) assignment is static. Here we
introduce dynamic load balancing across the cores depending on the
current session load. The load on earch core is calculated and core
with minimum load is assigned to given instance. This will be
applicable on Venus v4 with more than one vcodec cores.
Signed-off-by: Aniket Masule <amasule@codeaurora.org>
Co-developed-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Redesign core (vcodec) clock control to give the venus core more
freedom to control them in order to make possible to use core
selection feature on Venus IP v4.
Move all clock and pmdomain functions in separate file and abstract
power control with common operations per Venus IP version.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Instead of iterate over previously queued buffers in clock
scaling code do cache the payload in instance context structure
for later use when calculating new clock rate.
This will avoid to use spin locks during buffer list iteration
in clock_scaling.
This fixes following kernel Oops:
Unable to handle kernel paging request at virtual address deacfffffffffd6c
Mem abort info:
ESR = 0x96000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
[deacfffffffffd6c] address between user and kernel address ranges
Internal error: Oops: 96000004 [#1] PREEMPT SMP
CPU: 7 PID: 5763 Comm: V4L2DecoderThre Tainted: G S W 5.4.11 #8
pstate: 20400009 (nzCv daif +PAN -UAO)
pc : load_scale_v4+0x4c/0x2bc [venus_core]
lr : session_process_buf+0x18c/0x1c0 [venus_core]
sp : ffffffc01376b8d0
x29: ffffffc01376b8d0 x28: ffffff80cf1b0220
x27: ffffffc01376bba0 x26: ffffffd8f562b2d8
x25: ffffff80cf1b0220 x24: 0000000000000005
x23: ffffffd8f5620d98 x22: ffffff80ca01c800
x21: ffffff80cf1b0000 x20: ffffff8149490080
x19: ffffff8174b2c010 x18: 0000000000000000
x17: 0000000000000000 x16: ffffffd96ee3a0dc
x15: 0000000000000026 x14: 0000000000000026
x13: 00000000000055ac x12: 0000000000000001
x11: deacfffffffffd6c x10: dead000000000100
x9 : ffffff80ca01cf28 x8 : 0000000000000026
x7 : 0000000000000000 x6 : ffffff80cdd899c0
x5 : ffffff80cdd899c0 x4 : 0000000000000008
x3 : ffffff80ca01cf28 x2 : ffffff80ca01cf28
x1 : ffffff80d47ffc00 x0 : ffffff80cf1b0000
Call trace:
load_scale_v4+0x4c/0x2bc [venus_core]
session_process_buf+0x18c/0x1c0 [venus_core]
venus_helper_vb2_buf_queue+0x7c/0xf0 [venus_core]
__enqueue_in_driver+0xe4/0xfc [videobuf2_common]
vb2_core_qbuf+0x15c/0x338 [videobuf2_common]
vb2_qbuf+0x78/0xb8 [videobuf2_v4l2]
v4l2_m2m_qbuf+0x80/0xf8 [v4l2_mem2mem]
v4l2_m2m_ioctl_qbuf+0x2c/0x38 [v4l2_mem2mem]
v4l_qbuf+0x48/0x58
__video_do_ioctl+0x2b0/0x39c
video_usercopy+0x394/0x710
video_ioctl2+0x38/0x48
v4l2_ioctl+0x6c/0x80
do_video_ioctl+0xb00/0x2874
v4l2_compat_ioctl32+0x5c/0xcc
__se_compat_sys_ioctl+0x100/0x2074
__arm64_compat_sys_ioctl+0x20/0x2c
el0_svc_common+0xa4/0x154
el0_svc_compat_handler+0x2c/0x38
el0_svc_compat+0x8/0x10
Code: eb0a013f 54000200 aa1f03e8 d10e514b (b940016c)
---[ end trace e11304b46552e0b9 ]---
Fixes: c0e284ccfeda ("media: venus: Update clock scaling")
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Those two properties are not implemented for Venus v4 (sdm845),
thus don't set them to firmware.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Replace explicit use of members of struct resource by %pR to print
the resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Some older MSM8916 Venus firmware versions also seem to indicate
support for encoding HEVC, even though they really can't.
This will lead to errors later because hfi_session_init() fails
in this case.
HEVC is already ignored for "dec_codecs", so add the same for
"enc_codecs" to make these old firmware versions work correctly.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Adds a path to devicetree dt-binding files.
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There was supposed to be a "ret = " assignment here, otherwise the
error handling on the next line won't work.
Fixes: 64b5a49df486 ("[media] media: imx: Add Capture Device Interface")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Steve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Avoid adding an extra columns when describing unions in the documentation.
That makes it much harder to read. See e.g. VIDIOC_QUERY_EXT_CTRLS.
Instead start off a union with 'union {' and end it with an extra row
containing '}'.
This leaves a lot more space for the description of the fields.
This formatting technique was used in a few places already, but this
patches fixes all remaining occurrences of 'union' in the media uAPI.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: Nicolas Dufresne <nicolas@ndufresne.ca>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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For subdevices drivers, the drivers themself are responsible
for serializing their operations.
This patch adds serialization to the resizer subdevice.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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For subdevices drivers, the drivers themself are responsible
for serializing their operations.
This patch adds serialization to the isp subdevice.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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s_stream
In rkisp1_isp_s_stream it is better to return error in case the
bus type is not dphy before initializing the registers.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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There are functions that return int but actually return always 0.
Change them to return void and then there is no need to check
for error return value.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When setting source pad, check if the given mbus code is indeed valid
for source pad, if not, then set the default code.
Same for sink pad.
Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Reported-by: Wojciech Zabolotny <wzab01@gmail.com>
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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mainpath
If bayer format is set in mainpath, then crop is not supported.
The core was just resetting crop but wasn't returning the values back to
user space.
Return values taken in consideration by the driver to userpace.
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Fix issue when, in case of raw bayer format in mainpath,
VIDIOC_SUBDEV_S_FMT ioctl didn't have any effect, is wasn't updating the
format of the pad.
There is no crop for mainpath bayer raw data. Remove leftover check in
set_format, since check is already done in crop rkisp1_rsz_set_sink_crop()
function.
Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Stats entity is using a slightly different bus_info string
"platform: rkisp1" (with a space) instead of "platform:rkisp1" used by
the rest of rkisp1 code.
This causes errors when using v4l2-util tools that uses the bus_info
string to identify the device.
Fixes: 9a28dbd65a88 ("media: staging: rkisp1: add capture device for statistics")
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Media device is using a slightly different bus_info string
"platform: rkisp1" (with a space) instead of "platform:rkisp1" used by
the rest of rkisp1 code.
This causes errors when using v4l2-util tools that uses the bus_info
string to identify the device.
Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Improve the documentation in the beginning of the file
rkisp1-isp1.c
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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media_entity_get_fwnode_pad returns negative value on error
and the pad numeber on success. Therefore change the error test
from 'if (ret)' to 'if (ret < 0)' .
Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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rkisp1_create_links
The function rkisp1_create_links calls media_entity_get_fwnode_pad
and media_create_pad_link in the mc api. Those calls don't require
locking the graph_mutex so remove the locking.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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