As warned by sparse:
atomisp: drivers/staging/media/atomisp/pci/atomisp_acc.c:508 atomisp_acc_load_extensions() warn: iterator used outside loop: 'acc_fw'
The acc_fw interactor is used outside the loop, at the error handling
logic. On most cases, this is actually safe there, but, if
atomisp_css_set_acc_parameters() has an error, an attempt to use it
will pick an invalid value for acc_fw.
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
media Kconfig has two entries associated to V4L API:
VIDEO_DEV and VIDEO_V4L2.
On Kernel 2.6.x, there were two V4L APIs, each one with its own flag.
VIDEO_DEV were meant to:
1) enable Video4Linux and make its Kconfig options to appear;
2) it makes the Kernel build the V4L core.
while VIDEO_V4L2 where used to distinguish between drivers that
implement the newer API and drivers that implemented the former one.
With time, such meaning changed, specially after the removal of
all V4L version 1 drivers.
At the current implementation, VIDEO_DEV only does (1): it enables
the media options related to V4L, that now has:
menu "Video4Linux options"
visible if VIDEO_DEV
source "drivers/media/v4l2-core/Kconfig"
endmenu
but it doesn't affect anymore the V4L core drivers.
The rationale is that the V4L2 core has a "soft" dependency
at the I2C bus, and now requires to select a number of other
Kconfig options:
config VIDEO_V4L2
tristate
depends on (I2C || I2C=n) && VIDEO_DEV
select RATIONAL
select VIDEOBUF2_V4L2 if VIDEOBUF2_CORE
default (I2C || I2C=n) && VIDEO_DEV
In the past, merging them would be tricky, but it seems that it is now
possible to merge those symbols, in order to simplify V4L dependencies.
Let's keep VIDEO_DEV, as this one is used on some make *defconfig
configurations.
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> # for meson-vdec & meson-ge2d
Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Merge tag 'br-v5.18l' of git://linuxtv.org/hverkuil/media_tree into media_stage
Tag branch
* tag 'br-v5.18l' of git://linuxtv.org/hverkuil/media_tree: (39 commits)
media: imx-jpeg: Set V4L2_BUF_FLAG_LAST at eos
media: meson-ir-tx: remove incorrect doc comment
media: vivid: use time_is_after_jiffies() instead of open coding it
media: wl128x: use time_is_before_jiffies() instead of open coding it
media: tda8083: use time_is_after_jiffies() instead of open coding it
media: stv0299: use time_is_before_jiffies() instead of open coding it
media: si21xx: use time_is_before_jiffies() instead of open coding it
media: cedrus: h264: Fix neighbour info buffer size
media: cx88-mpeg: clear interrupt status register before streaming video
media: cedrus: H265: Fix neighbour info buffer size
media: fsl-viu: use GFP_KERNEL
media: cx18: use GFP_KERNEL
drivers: meson: vdec: add VP9 support to GXM
stkwebcam: add new Asus laptop to upside_down table
media: imx-jpeg: fix a bug of accessing array out of bounds
media: sun6i-csi: fix colorspace in sun6i_video_try_fmt()
media: usb: go7007: s2250-board: fix leak in probe()
media: cedrus: Add watchdog for job completion
pixfmt-yuv-planar.rst: fix typo: 'Cr, Cr' -> 'Cr, Cb'
media: imx-jpeg: Remove unnecessary print function dev_err()
...
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The TODO of tegra-vde driver has been completed, driver now supports
V4L2 stateless video decoding API. Relocate driver to drivers/media.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
BSEV DMA timeouts if VDE is downclocked by x10. Bump the timeout to allow
DMA to complete. We don't support freq scaling yet, this is just a minor
improvement which may become useful sometime later.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The legacy UAPI became unnecessary with the V4L stateless decoder API
support addition to the Tegra decoder driver. Remove legacy UAPI support.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Expose Tegra video decoder as a generic V4L M2M stateless video decoder.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Factor out H.264 hardware programming code into separate source file in a
preparation to support V4L API by the Tegra video decoder driver.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
ret is constant in imx8mq_mipi_csi_pm_suspend(). This function cannot
return error. Remove the return variable. Simplify other functions which
are using this function.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The i.MX8MM has a Hantro G1 video decoder similar to the
imx8mq but lacks the post-processor present in the imx8mq.
Add support in the driver for it with the post-processing
removed.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The VPU in the i.MX8MQ is really the combination of Hantro G1 and
Hantro G2. With the updated vpu-blk-ctrl, the power domains system
can enable and disable them separately as well as pull them out of
reset. This simplifies the code and lets them run independently
while still retaining backwards compatibility with older device
trees for those using G1.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
It turns out that postproc on Allwinner H6 needs width and height to be
multiple of 32.
Fixes: 86790a4fdf ("media: hantro: Add support for Allwinner H6")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The 2X8 variants of MEDIA_BUS_FMT_YUYV8_2X8 does not apply to serial
busses.
Drop it and while at it also add the canonical UYVY wire format for
packed YUV422 when transmitted on the CSI-2 serial bus.
Also beautify a little the formats declaration list by putting the
opening curly brace after the comment.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The CSI bridge should operate in dual components mode when it is
connected to a pixel transmitter that transfers two components at a time
in YUV 422 formats (16 bits, Y + U/V).
Use the image format variants to determine if single or dual component mode
should be used.
Add a note to the TODO file to record that the list of supported formats
should be restricted to the SoC model the CSI bridge is integrated on
to avoid potential pipeline mis-configurations.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The imx7-mipi-csis driver is in a good state and can be destaged.
Move the imx7-mipi-csis.c driver to the newly created
drivers/media/platform/imx directory and plumb the related
options in Kconfig and in Makefile.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
According to BSP library source, H264 neighbour info buffer size needs
to be 32 kiB for H6. This is similar to H265 decoding, which also needs
double buffer size in comparison to older Cedrus core generations.
Increase buffer size to cover H6 needs. Since increase is not that big
in absolute numbers, it doesn't make sense to complicate logic for older
generations.
Issue was discovered using iommu and cross checked with BSP library
source.
Fixes: 6eb9b758e3 ("media: cedrus: Add H264 decoding support")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Neighbour info buffer size needs to be 794 kiB in H6. This is actually
already indirectly mentioned in the comment, but smaller size is used
nevertheless.
Increase buffer size to cover H6 needs. Since increase is not that big
in absolute numbers, it doesn't make sense to complicate logic for older
generations.
Bug was discovered using iommu, which reported access error when trying
to play H265 video.
Fixes: 86caab29da ("media: cedrus: Add HEVC/H.265 decoding support")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
VP9 support for GXM appears to have been missed from the original
codec submission [0] but it works well, so let's add support.
[0] 00c43088aa
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Currently, if job is not completed for whatever reason, userspace
application can hang on ioctl and thus become unkillable.
In order to prevent that, implement watchdog, which will complete job
after 2 seconds with error state.
Concept is borrowed from hantro driver.
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Without this the default (SMPTE 170M) from init_cfg stays unchanged.
Even after configuring 'srgb' colorspace (or 'raw')
$ media-ctl -V "'csis-32e30000.mipi-csi':0 [colorspace:srgb]"
the colorspace does not change at all:
$ media-ctl --get-v4l2 "'csis-32e30000.mipi-csi':0"
[fmt:SRGGB10_1X10/1920x1080 field:none colorspace:smpte170m xfer:709
ycbcr:601 quantization:lim-range]
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The media bus configuration is specified through a set of flags, some of
which being mutually exclusive. This doesn't scale to express more
complex configurations. Improve the API by replacing the single flags
field in v4l2_mbus_config by a union of v4l2_mbus_config_* structures.
The flags themselves are still used in those structures, so they are
kept here. Drivers are however updated to use structure fields instead
of flags when already possible.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
There is a BIT(nr) macro available in Linux Kernel,
which does the same thing.
Example: BIT(7) = (1UL << 7)
Link: https://lore.kernel.org/linux-media/20220206185232.21726-1-mosescb.dev@gmail.com
Signed-off-by: Moses Christopher Bollavarapu <mosescb.dev@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Don't populate the read-only array idx_map on the stack but
instead it static const. Also makes the object code a little smaller.
Link: https://lore.kernel.org/linux-media/20220109195129.46118-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The TrekStor SurfTab duo W1 10.1 has a hw bug where turning eldo2 back on
after having turned it off causes the CPLM3218 ambient-light-sensor on
the front camera sensor's I2C bus to crash, hanging the bus.
Add a DMI quirk table for systems on which to leave eldo2 on.
Note an alternative fix is to turn off the CPLM3218 ambient-light-sensor
as long as the camera sensor is being used, this is what Windows seems
to do as a workaround (based on analyzing the DSDT). But that is not
easy to do cleanly under Linux.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-10-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
On devices with 2 cameras and no _DSM / EFI-vars providing CsiPort
clock info, defaulting to CsiPort 0 obviously is wrong for 1 of the
2 cameras.
The Intel Cherry Trail (ISP2401) reference design combines:
pmc_plt_clk_2 with CsiPort 0
pmc_plt_clk_4 with CsiPort 1
The Intel Bay Trail (ISP2400) reference design combines:
pmc_plt_clk_1 with CsiPort 0
pmc_plt_clk_0 with CsiPort 1
Use this knowledge to set the default CsiPort value based on
the detected CLK for the sensor.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-9-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Fix axp_v1p8_on() turning ELDO2 off at the end again by removing the bogus
code which turns it off again after just having turned it on.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-8-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Testing on multiple tablet models has shown that Android always uses
1.6V for ELDO1, adjust our code to match.
This also matches with how ELDO1 is used in the DSDTs on these devices,
where for Cherry Trail (ISP2401) based devices ELDO1 is used for an
ACPI power-resource which is named "P16P".
Note on Bay Trail (ISP2400) based devices the power-resource is called
"P15P", which suggests that 1.5V might be a better value there.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-7-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
On devices with 2 sensors the 2 sensors may get probed simultaneously
and the v1p8 and v2p8 regulators are ususally shared between the
2 sensors.
This means that the probe() function of sensor 1 may end up calling
gmin_v1p8_ctrl(..., false) turning the regulator off while sensor 2's
probe() function still needs it to be on, causing the probe() of
sensor 2 to sometimes fail.
Fix this by adding an enable-count for both regulators and only
disabling them again when that goes to 0.
Note all this really should be converted to use the standard kernel
regulator framework, I have doing this on my long term TODO list,
this fix is only meant as a temporary workaround for the issue.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-6-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The second write done in axp_regulator_set() must go to the ctrl_reg which
turns the various regulators on/off. This replaces the second write
writing the sel_reg, which sets the voltage for the regulator, for a
second time with a wrong value.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-5-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
IPS2400 is never defined, for ISP2401 builds ISP2401 gets defined and
for ISP2400 nothing gets defined, so any #ifdef ISP2400 checks should
be #ifndef ISP2401 checks instead.
Link: https://lore.kernel.org/linux-media/20220116215204.307649-3-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
IS_ISP2401 is a function like macro which is always defined, so it must
not be used together with #ifdef. #ifdef checks should check for
"ISP2401", not "IS_ISP2401".
Link: https://lore.kernel.org/linux-media/20220116215204.307649-2-hdegoede@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
To prepare for usage of the v4l2_fwnode_bus_* data structures to
describe bus configuration in the subdev .get_mbus_config() operation,
rename the structures with a v4l2_mbus_config_ prefix instead of
v4l2_fwnode_bus_, and move them to v4l2_mediabus.h.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The quantization tables used in the Hantro JPEG encoder driver are
implicitly sized by the data they contain, but the loop that scales
the tables based on the compression quality hard codes the size to
64. No code exists to check whether the two actually match.
Commit 85bdcb7eaa ("media: hantro: Write the quantization tables in
proper order") introduced two new tables, with sizes hardcoded to 64,
but still no checking if all the sizes are the same.
Commit 41479adb5e ("media: hantro: Avoid global variable for jpeg
quantization tables") added the macro JPEG_QUANT_SIZE, but only the
newly added fields used this.
This has resulted in code scattered with magic numbers and array sizes
that happen to match up, without any sort of sanity checking to enforce
it.
Drop the hard-coded array sizes, replace the magic loop count with
a proper JPEG_QUANT_SIZE macro, and add BUILD_BUG_ON()s to check
that all the table sizes match up.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Now that the JPEG header length is aligned with bus access boundaries,
the JPEG encoder can output to the capture buffers directly without
going through a bounce buffer.
Do just that, and get rid of all the bounce buffer related code.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The Hantro JPEG encoder driver adds various segments to the JPEG header.
While it would be quite complicated to make these segments selectable
to userspace, given that the driver has to fill in various fields in
these segments, and also take care of alignment, it would be nice if
the driver could signal to userspace what segments are included.
Implement the V4L2_CID_JPEG_ACTIVE_MARKER control, and make it read
only so that it always returns the set of segments that the driver adds.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The JPEG header size is not 64-bit aligned. This makes the driver
require a bounce buffer for the encoded JPEG image scan output.
Add a COM (comment) segment to the JPEG header so that the header size
is a multiple of 64 bits. This will then allow dropping the use of the
bounce buffer, and instead have the hardware write out to the capture
buffer directly.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
While the V4L2_PIX_FMT_JPEG format doesn't specify any requirements for
the APP0 or APP1 segments, it would be nice if the output is JFIF
compliant. While some programs can read JPEG streams that aren't, some
guess work is involved.
Add the standard JFIF APP0 segment to the JPEG header, so that the JPEG
encoder output is JFIF compliant.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Encoders typically operate on macroblocks. Thus their output or coded
resolution is constrained to multiples of macroblocks. For frame sizes
not aligned to macroblocks, cropping is needed to limit the visible
area of the frame.
Add support for cropping on the output (source) side for encoders,
using the selection API.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The Hantro H1 hardware can crop off pixels from the right and bottom of
the source frame. These are controlled with the H1_REG_IN_IMG_CTRL_OVRFLB
and H1_REG_IN_IMG_CTRL_OVRFLR in the H1_REG_IN_IMG_CTRL register.
The ChromeOS kernel driver that this was based on incorrectly added the
_D4 suffix H1_REG_IN_IMG_CTRL_OVRFLB. This field crops the bottom of the
input frame, and the number is _not_ divided by 4. [1]
Correct the name to avoid confusion when crop support with the selection
API is added.
[1] https://chromium.googlesource.com/chromiumos/third_party/kernel/+/refs/ \
heads/chromeos-4.19/drivers/staging/media/hantro/hantro_h1_vp8_enc.c#377
Fixes: 775fec6900 ("media: add Rockchip VPU JPEG encoder driver")
Fixes: a29add8c9b ("media: rockchip/vpu: rename from rockchip to hantro")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Modeled after the NXP driver mx6s_capture.c that this driver is based on,
imx8mq needs different settings for the baseaddr_switch mechanism. Define
the needed bits and set that for imx8mq.
Without these settings, the system will "sometimes" hang completely when
starting to stream (the interrupt will never be called).
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
As the possible failure of the kzalloc(), the 'new_ts' could be NULL
pointer.
Therefore, it should be better to check it in order to avoid the
dereference of the NULL pointer.
Also, the caller esparser_queue() needs to deal with the return value of
the amvdec_add_ts().
Fixes: 876f123b89 ("media: meson: vdec: bring up to compliance")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Suggested-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Reference Picture Set lists provide indices of short and long term
reference in DBP array.
Fix Hantro to not do a look up in DBP entries.
Make documentation more clear about it.
[hverkuil: fix typo in commit log]
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Marking a picture as long-term reference is valid for DPB but not for RPS.
Change flag name to match with the description in HEVC spec chapter
"8.3.2 Decoding process for reference picture set".
PocStCurrBefore, PocStCurrAfter, PocLtCurr lists could be built by the
kernel from the DPB entries struct v4l2_hevc_dpb_entry, using the
information in the rps field. This way RPS flags becomes useless and are
removed.
This patch breaks the staging HEVC API because it introduces a new flag,
changes a field name in v4l2_hevc_dpb_entry structure and removes
V4L2_HEVC_DPB_ENTRY_RPS_* flags.
[hverkuil: fixed some typos]
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
during system resume, interconnect bandwidth would currently be requested
even though the device is runtime suspended. This leaves the system in an
unbalanced state.
Fix that by only doing that in runtimem pm and splitting up runtime and
system suspend to be a more readable:
imx8mq_mipi_csi_pm_*() does the generic things called from system- and
runtime functions that each do specific things on top.
Fixes: f33fd8d77d ("media: imx: add a driver for i.MX8MQ mipi csi rx phy and controller")
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The place where this register writel() that masks one interrupt is placed
does not guarantee that the device is powered so that's not allowed.
Moreover imx8mq_mipi_csi_start_stream() masks the interrupt anyway so the
write is not even needed. Remove it as this is a mistake that slipped in
with the driver.
Fixes: f33fd8d77d ("media: imx: add a driver for i.MX8MQ mipi csi rx phy and controller")
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
When multiple CSIS instances are present in a single graph, they are
currently all named "imx7-mipi-csis.0", which breaks the entity name
uniqueness requirement. Fix it by using the device name to create the
subdev name.
Fixes: 7807063b86 ("media: staging/imx7: add MIPI CSI-2 receiver subdev for i.MX7")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Jerome Brunet <jbrunet@baylibre.com> # On i.MX8MP
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Mauro Carvalho Chehab