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Another code simplification makes parsing of remote endpoints easy.
Tested-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Since a few called V4L2 functions operate with fwnode arguments the change
from OF device nodes to fwnodes brings a simplification to the code.
The camss_parse_endpoint_node() function is called once by camss_probe(),
and there is no use of knowing a number of asynchronously registered
remote devices, so it makes sense to remove the related computation from
the function.
Tested-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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vfe_isr() iterates using MSM_VFE_IMAGE_MASTERS_NUM(7) as the loop
bound and passes the index to vfe_isr_reg_update(). However,
vfe->line[] array is defined with VFE_LINE_NUM_MAX(4):
struct vfe_line line[VFE_LINE_NUM_MAX];
When index is 4, 5, 6, the access to vfe->line[line_id] exceeds
the array bounds and resulting in out-of-bounds memory access.
Fix this by using separate loops for output lines and write masters.
Fixes: 4edc8eae715c ("media: camss: Add initial support for VFE hardware version Titan 480")
Signed-off-by: Alper Ak <alperyasinak1@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The CSID driver has some unused variables and function parameters
that are no longer needed (due to refactoring). Clean up those
unused elements:
- Remove the `vc` parameter from `__csid_configure_rx()`.
- Drop the unused `lane_cnt` variable.
- Adjust call to `__csid_configure_rx()` accordingly.
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The clock is needed to stream images over a full VFE IP on SM8550 CAMSS,
and it should not be enabled, when an image stream is routed over any of
two lite VFE IPs on the SoC.
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Acked-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Some Qualcomm regulators are configured with initial mode as
HPM (High Power Mode), which may lead to higher power consumption.
To reduce power usage, it's preferable to set the initial mode
to LPM (Low Power Mode).
To ensure the regulator can switch from LPM to HPM when needed,
this patch adds current load configuration for CAMSS CSIPHY.
This allows the regulator framework to scale the mode dynamically
based on the load requirement.
The current default value for current is uninitialized or random.
To address this, initial current values are added for the
following platforms:
MSM8916, MSM8939, MSM8953, MSM8996, QCM2290, SDM670, SM8250, SC7280,
SM8550, SM8650, QCS8300, SA8775P and X1E80100.
For SDM660, SDM845, SC8280XP the value is set to 0,
indicating that no default current value is configured,
the other values are derived from the power grid.
Signed-off-by: Wenmeng Liu <wenmeng.liu@oss.qualcomm.com>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The current value of '0xb0' that represents the offset to the status
registers within the common registers of the CSIPHY has been changed on
the newer SOCs and it requires generalizing the macro using a new
variable 'common_status_offset'. This variable is initialized in the
csiphy_init() function.
Signed-off-by: Hangxiang Ma <hangxiang.ma@oss.qualcomm.com>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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VIP stands for Video Input Port. It can be found on devices such as DRA7xx
and provides a parallel interface to a video source such as a sensor or TV
decoder. Each VIP can support two inputs (slices) and an SoC can be
configured with a variable number of VIPs. Each slice can support two
ports, each connected to its own sub-device.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Sukrut Bellary <sbellary@baylibre.com>
Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Export vpdma_load_firmware() function which is needed by TI VIP to load
the VPDMA firmware.
Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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vpdma_update_dma_addr() was originally added to support multi-instance and
multi-client in vpdma. However it was dropped as it was unused.
We are adding support for TI VIP. Some devices may have multiple VIP
instances each with its own VPDMA engine. Within VIP, two slices can use a
single VPDMA engine simultaneously. So support for multi instances and
multiple clients is needed. Hence reintroduce multi-instance and
multi-client support. Also add kernel doc and switch to GPL version of
EXPORT_SYMBOL.
This reverts commit 9314891df119442a6ec1518b3d872c330e2bf1a1.
Signed-off-by: Yemike Abhilash Chandra <y-abhilashchandra@ti.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add support for the ov01a1b model which is the exact same sensor as
the ov01a10 without a color-filter.
Note since there is no color-filter there is also no need to shift
the crop-window when flipping, so the crop window set by userspace may
cover the full sensor (border_size=0).
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Since ov01a10_global_setting[] sets the initial format1 register value,
there is no need to do a read-write-modify when setting the flip controls.
Only write format1 when setting the flip-controls and remove the now
unnecessary format1 register init from ov01a10_global_setting[].
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add a struct with some sensor variant (ov01a10 / ov01a1b / ov01a1s)
specific settings.
This is a preparation patch for adding support for the ov01a1s sensor
which uses the same sensor with a different (RGBI) color-filter.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Registers 0x3501 (exposure), 0x3508 (analogue-gain) and 0x4503 (test-
pattern) are already set through __v4l2_ctrl_handler_setup() drop them
from ov01a10_global_setting[].
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Stop setting register 0x0305 to one value from mipi_data_rate_720mbps
only to override it with a different value from sensor_1280x800_setting.
Instead directly set it to 0xf4.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The exposure minimum and step are constant use the defines for this
instead of retrieving these from the exposure-control.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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After the conversion to the CCI register access helpers, struct
ov01a10_reg_list is only used inside struct ov01a10_link_freq_config.
Simplify things by embedding the ov01a10_reg_list members directly into
struct ov01a10_link_freq_config.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Remove the fixed mode list and add cropping support. The main reason for
doing this is to allow libcamera to select 1292x812 instead of 1280x800
so that after the extra border which the CPU debayer code needs libcamera
can output 1280x720 instead of 1276x720.
This in turn allows google-meet to use 720p instead of it falling back
to a pretty bad 360p.
This has been tested on a Dell XPS 9320, with both libcamera as well as
with Intel's out-of-tree psys driver + proprietary userspace stack.
Libcamera asks for 1292x812 where as the Intel stack asks for 1280x800
and neither stack explicitly sets the crop-window. Hence the need for
ov01a10_set_format() to adjust the crop-window if necessary.
Note the differentiating between pattern_size and border_size is done in
preparation for adding support for the monochrome OV01A1B model where
coordinates still need to be aligned to a multiple of 2, but there will
be no need for a border (border_size=0).
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2337593
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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According to the OV01A10 product-brief PDF the OV01A10 has an active pixel
array size of 1296x816. In otherwords the native and active sizes are
the same.
Replace the (misspelled) ACTIVE defines for the default resolution of
1280x800 with DEFAULT to avoid giving the impression that the active pixel
array size is only 1280x800.
And replace PIXEL_ARRAY with NATIVE to make clear this is the native pixel
array size / to match the V4L2_SEL_TGT_NATIVE_SIZE naming.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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ctrl_hdlr->error
Instead of checking successful creation of the link_freq and vblank
controls, set their flags after checking ctrl_hdlr->error where it
is guaranteed that the controls will exist.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The pixel_rate and link_freq never change, stop updating them on every
set_fmt.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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So far the ov01a10 driver has only been used on laptops with an IVSC chip
where the IVSC chip controls the power on/off sequencing of the sensor.
But there are also designs with an ov01a10 sensor where the kernel needs
to directly take care of the power-sequencing, controlling clks, regulators
and GPIOs. Add support for these designs.
The 2 ms minimum reset assertion time is taken from other Omnivision sensor
drivers like the ov5675. The 20 ms delay after reset de-assert comes from
the out of tree ov01a1s driver.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add a function to check that the number of mipi-lanes and there frequency
are what the driver expects.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Now that the cci_* register access helpers are used we no longer need
the i2c_client in various functions.
Some code is still getting the client just to be able to get to the device
pointer. Directly store a struct device *dev pointing to &client->dev
inside struct ov01a10 to make the code simpler.
This also fixes a mismatch of using dev vs &client->dev in the
runtime_pm_*() calls in probe().
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Many of the functions called from ov01a10_probe() are expected to never
fail and they should all already log some message if they fail. Remove
the unnecessarily verbose dev_err[_probe]() calls from the error-exit
paths in probe().
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Use the new comon CCI register access helpers to replace the private
register access helpers in the ov01a10 driver.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The ov01a10 is quite a small sensor, which does not capture a lot of
light, increase the default vblank so that the sensor runs at 30 fps
by default, doubling the default exposure.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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When the test-pattern control gets set to 0 (Disabled) 0 should be written
to the test-pattern register, rather then doing nothing.
Fixes: 0827b58dabff ("media: i2c: add ov01a10 image sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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v4l2_subdev_state_get_format()
The 2 argument version of v4l2_subdev_state_get_format() takes the pad
as second argument, not the stream.
Fixes: bc0e8d91feec ("media: v4l: subdev: Switch to stream-aware state functions")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add missing v4l2_subdev_cleanup() calls to cleanup after
v4l2_subdev_init_finalize().
Fixes: 0827b58dabff ("media: i2c: add ov01a10 image sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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A analogue maximum gain of 0xffff / 65525 seems unlikely and testing
indeed shows that the gain control wraps-around at 16383, so set the
maximum gain to 0x3fff / 16383.
The minimum gain of 0x100 is correct. Setting bits 8-11 to 0x0 results
in the same gain values as setting these bits to 0x1, with bits 0-7
still increasing the gain when going from 0x000 - 0x0ff in the exact
same range as when going from 0x100 - 0x1ff.
Fixes: 0827b58dabff ("media: i2c: add ov01a10 image sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
[Sakari Ailus: mention analogue gain and update the limit from 4096.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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CSI lanes are double-clocked so with a single lane at 400MHZ the resulting
pixel-rate for 10-bits pixels is 400 MHz * 2 / 10 = 80 MHz, not 40 MHz.
This also matches with the observed frame-rate of 60 fps with the default
vblank setting: 80000000 / (1488 * 896) = 60.
Fixes: 0827b58dabff ("media: i2c: add ov01a10 image sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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During sensor calibration I noticed that with the hflip control set
to false/disabled the image was mirrored.
So it seems that the horizontal flip control is inverted and needs to
be set to 1 to not flip (just like the similar problem recently fixed
on the ov08x40 sensor).
Invert the hflip control to fix the sensor mirroring by default.
As the comment above the newly added OV01A10_MEDIA_BUS_FMT define explains
the control being inverted also means that the native Bayer-order of
the sensor actually is GBRG not BGGR, but so as to not break userspace
the Bayer-order is kept at BGGR.
Fixes: 0827b58dabff ("media: i2c: add ov01a10 image sensor driver")
Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Implement internal buffer count and size calculations for AV1 decoder
for all the buffer types required by the AV1 decoder, including BIN,
COMV, PERSIST, LINE, and PARTIAL.
This ensures the hardware decoder has properly allocated memory for AV1
decoding operations, enabling correct AV1 video playback.
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>
Signed-off-by: Deepa Guthyappa Madivalara <deepa.madivalara@oss.qualcomm.com>
Tested-by: Val Packett <val@packett.cool>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Defining platform specific capabilities specific to AV1 decoder.
Set and subscribe to manadatory properties to firmware for AV1.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>
Signed-off-by: Deepa Guthyappa Madivalara <deepa.madivalara@oss.qualcomm.com>
Tested-by: Val Packett <val@packett.cool>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Extend iris decoder driver to support format V4L2_PIX_FMT_AV1.
This change updates the format enumeration (VIDIOC_ENUM_FMT)
and allows setting AV1 format via VIDIOC_S_FMT for gen2 and beyond.
Gen1 iris hardware decoder does not support AV1 format.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>
Signed-off-by: Deepa Guthyappa Madivalara <deepa.madivalara@oss.qualcomm.com>
Tested-by: Val Packett <val@packett.cool>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add a descriptive string for the AV1 pixel format to v4l_fill_fmtdesc(),
enabling proper reporting of AV1 support via VIDIOC_ENUM_FMT.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Deepa Guthyappa Madivalara <deepa.madivalara@oss.qualcomm.com>
Tested-by: Val Packett <val@packett.cool>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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This reverts commit 27ccc44a511b0cd76dc607e2a4893b876192ee1b.
A user has reported that the Zoom Video Conferencing tool is not capable
of handling invalid frames. Due to this, he has to continue using this
parameter.
We will keep working with Zoom so they can handle invalid frames
correctly, but for this cycle the safest option is to revert this
parameter drop.
Fixes: 27ccc44a511b ("media: uvcvideo: Remove nodrop parameter")
Reported-by: Ralf Jung <post@ralfj.de>
Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1121718
Closes: https://lore.kernel.org/linux-media/uboug5ectzm4s32yfgopjbcxq2uhsoc4kluaby7a4b7nzfjave@boco7oocnftr/
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add release_mem_region() if ioremap() fails to release the memory
region obtained by cx25821_get_resources().
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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tegra20_vip_soc is shared across translation units but is currently
declared via an extern in vip.c. Move the declaration to vip.h so users get
it via the header and we avoid extern declarations in .c files, matching
the pattern already used by tegra20_vi_soc and tegra210_vi_soc.
Suggested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Sun Jian <sun.jian.kdev@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Sparse warns that tegra210_csi_soc is not declared in tegra210.c.
The symbol is referenced from csi.c, so it must remain global. Move the
declaration to csi.h so users see it via the header and avoid extern
declarations in .c files.
SPARSE: drivers/staging/media/tegra-video/tegra210.c:1214:28: warning:
symbol 'tegra210_csi_soc' was not declared. Should it be static?
No functional change intended.
Suggested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Sun Jian <sun.jian.kdev@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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In one of the error paths in tw9906_probe(), the memory allocated in
v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that
by calling v4l2_ctrl_handler_free() on the handler in that error path.
Cc: stable@vger.kernel.org
Fixes: a000e9a02b58 ("[media] tw9906: add Techwell tw9906 video decoder")
Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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In one of the error paths in tw9903_probe(), the memory allocated in
v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that
by calling v4l2_ctrl_handler_free() on the handler in that error path.
Cc: stable@vger.kernel.org
Fixes: 0890ec19c65d ("[media] tw9903: add new tw9903 video decoder")
Signed-off-by: Abdun Nihaal <nihaal@cse.iitm.ac.in>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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When pvr2_send_request_ex() submits a write URB successfully but fails to
submit the read URB (e.g. returns -ENOMEM), it returns immediately without
waiting for the write URB to complete. Since the driver reuses the same
URB structure, a subsequent call to pvr2_send_request_ex() attempts to
submit the still-active write URB, triggering a 'URB submitted while
active' warning in usb_submit_urb().
Fix this by ensuring the write URB is unlinked and waited upon if the read
URB submission fails.
Reported-by: syzbot+405dcd13121ff75a9e16@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=405dcd13121ff75a9e16
Signed-off-by: Szymon Wilczek <szymonwilczek@gmx.com>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Use usleep_range instead of udelay to fix checkpatch warning.
Signed-off-by: Preyas Sharma <preyas17@zohomail.in>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
[hverkuil: added commit message]
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Use usleep_range instead of msleep to fix checkpatch warnings.
Signed-off-by: Preyas Sharma <preyas17@zohomail.in>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
[hverkuil: added commit message]
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Clang with CONFIG_UBSAN_SHIFT=y noticed a condition where a signed type
(literal "1" is an "int") could end up being shifted beyond 32 bits,
so instrumentation was added (and due to the double is_tw286x() call
seen via inlining), Clang decides the second one must now be undefined
behavior and elides the rest of the function[1]. This is a known problem
with Clang (that is still being worked on), but we can avoid the entire
problem by actually checking the existing max chip ID, and now there is
no runtime instrumentation added at all since everything is known to be
within bounds.
Additionally use an unsigned value for the shift to remove the
instrumentation even without the explicit bounds checking.
Link: https://github.com/ClangBuiltLinux/linux/issues/2144 [1]
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
[hverkuil: fix checkpatch warning for is_tw286x]
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Downstream version of RK3588 U-Boot uses customized TF-A that remaps
HDMIRX hardware interrupt, routing it via firmware that isn't supported
by upstream driver.
Detect broken interrupt and print a clarifying error message about a need
to use open-source TF-A with this driver.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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In error path, add cx25821_alsa_dma_unmap() to release the
resource acquired by cx25821_alsa_dma_map()
Fixes: 8d8e6d6005de ("[media] cx28521: drop videobuf abuse in cx25821-alsa")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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In error path, add cx23885_alsa_dma_unmap() to release the
resource acquired by cx23885_alsa_dma_map().
Fixes: 9529a4b0cf49 ("[media] cx23885: drop videobuf abuse in cx23885-alsa")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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