linux.git/drivers/media/platform/st, branch v6.8 Linux kernel source tree media: videobuf2: core: Rename min_buffers_needed field in vb2_queue 2023-12-13T16:31:27+00:00 Benjamin Gaignard benjamin.gaignard@collabora.com 2023-12-11T13:32:49+00:00 80c2b40a51393add616a1fd186a1cc10bd676a3f Rename min_buffers_needed into min_queued_buffers and update the documentation about it. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> [hverkuil: Drop the change where min_queued_buffers + 1 buffers would be] [hverkuil: allocated. Now this patch only renames this field instead of making] [hverkuil: a functional change as well.] [hverkuil: Renamed 3 remaining min_buffers_needed occurrences.] 
Rename min_buffers_needed into min_queued_buffers and update
the documentation about it.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil: Drop the change where min_queued_buffers + 1 buffers would be]
[hverkuil: allocated. Now this patch only renames this field instead of making]
[hverkuil: a functional change as well.]
[hverkuil: Renamed 3 remaining min_buffers_needed occurrences.]
media: stm32-dcmipp: STM32 DCMIPP camera interface driver 2023-12-04T09:37:47+00:00 Hugues Fruchet hugues.fruchet@foss.st.com 2023-11-27T17:08:17+00:00 28e0f37722965fa150af31d82101c95fd21aef60 This V4L2 subdev driver enables Digital Camera Memory Interface Pixel Processor(DCMIPP) of STMicroelectronics STM32 SoC series. Signed-off-by: Hugues Fruchet <hugues.fruchet@foss.st.com> Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> [hverkuil: remove empty line at end of source] 
This V4L2 subdev driver enables Digital Camera Memory Interface
Pixel Processor(DCMIPP) of STMicroelectronics STM32 SoC series.

Signed-off-by: Hugues Fruchet <hugues.fruchet@foss.st.com>
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil: remove empty line at end of source]
media: stm32-dcmi: Drop unnecessary of_match_device() call 2023-11-23T12:38:20+00:00 Rob Herring robh@kernel.org 2023-11-15T20:59:04+00:00 197f6e6cbf979c05aecceee2ba9b9ed7d7c275b8 If probe is reached, we've already matched the device and in the case of DT matching, the struct device_node pointer will be set. Therefore, there is no need to call of_match_device() in probe. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> 
If probe is reached, we've already matched the device and in the case of
DT matching, the struct device_node pointer will be set. Therefore, there
is no need to call of_match_device() in probe.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
media: sti: hva: Remove useless check 2023-11-23T11:02:47+00:00 Benjamin Gaignard benjamin.gaignard@collabora.com 2023-11-09T16:34:30+00:00 7bce685bc017295e96aa3ad5edcf3906208685f3 Remove index range test since it is done by vb2_get_buffer(). vb2_get_buffer() can return a NULL pointer so we need the return value. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> CC: Jean-Christophe Trotin <jean-christophe.trotin@foss.st.com> Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> 
Remove index range test since it is done by vb2_get_buffer().
vb2_get_buffer() can return a NULL pointer so we need the return
value.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
CC: Jean-Christophe Trotin <jean-christophe.trotin@foss.st.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
media: c8sectpfe: Use the devm_clk_get_enabled() helper function 2023-09-27T07:39:55+00:00 Ruan Jinjie ruanjinjie@huawei.com 2023-08-18T10:15:40+00:00 a805136eec48c7f0e3b7dad44ec5efb506a938d8 With devm_clk_get_enabled() the call to clk_disable_unprepare() can be dropped from the error path and the remove callback. Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> 
With devm_clk_get_enabled() the call to clk_disable_unprepare() can be
dropped from the error path and the remove callback.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
media: stm32: dcmi: only call s_stream on the source subdev 2023-08-10T05:58:36+00:00 Alain Volmat alain.volmat@foss.st.com 2023-07-21T12:03:15+00:00 525011d84a3f547d0643c10bbfc01d32e26a9963 Avoid calling s_stream on each subdev until reaching the sensor and instead call s_stream on the source subdev only (which will in turn do whatever needed to start the stream). Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Reviewed-by: Hugues FRUCHET <hugues.fruchet@foss.st.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> 
Avoid calling s_stream on each subdev until reaching the sensor and
instead call s_stream on the source subdev only (which will in turn
do whatever needed to start the stream).

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Hugues FRUCHET <hugues.fruchet@foss.st.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
media: v4l: async: Set v4l2_device and subdev in async notifier init 2023-08-10T05:58:32+00:00 Sakari Ailus sakari.ailus@linux.intel.com 2023-02-23T15:24:48+00:00 b8ec754ae4c563f6aab8c0cb47aeb2eae67f1da3 Set the v4l2_device already in async notifier init, so struct device related to it will be available before the notifier is registered. This requires separating notifier initialisation into two functions, one that takes v4l2_device as its argument, v4l2_async_nf_init and v4l2_async_subdev_nf_init, for sub-device notifiers. Registering the notifier will use a single function, v4l2_async_nf_register. This is done in order to make struct device available earlier, during construction of the async connections, for sensible debug prints. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> 
Set the v4l2_device already in async notifier init, so struct device
related to it will be available before the notifier is registered. This
requires separating notifier initialisation into two functions, one that
takes v4l2_device as its argument, v4l2_async_nf_init and
v4l2_async_subdev_nf_init, for sub-device notifiers. Registering the
notifier will use a single function, v4l2_async_nf_register.

This is done in order to make struct device available earlier, during
construction of the async connections, for sensible debug prints.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
media: v4l: async: Rename v4l2_async_subdev as v4l2_async_connection 2023-07-28T08:44:25+00:00 Sakari Ailus sakari.ailus@linux.intel.com 2023-02-16T13:54:53+00:00 adb2dcd5f2d49d3ba3171160fabd4be0d4b2a86c Rename v4l2_async_subdev as v4l2_async_connection, in order to differentiate between the sub-devices and their connections: one sub-device can have many connections but the V4L2 async framework has so far allowed just a single one. Connections in this context will later translate into either MC ancillary or data links. This patch prepares changing that relation by changing existing users of v4l2_async_subdev to switch to v4l2_async_connection. Async sub-devices themselves will not be needed anymore Additionally, __v4l2_async_nf_add_subdev() has been renamed __v4l2_async_nf_add_connection(). Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> 
Rename v4l2_async_subdev as v4l2_async_connection, in order to
differentiate between the sub-devices and their connections: one
sub-device can have many connections but the V4L2 async framework has so
far allowed just a single one. Connections in this context will later
translate into either MC ancillary or data links.

This patch prepares changing that relation by changing existing users of
v4l2_async_subdev to switch to v4l2_async_connection. Async sub-devices
themselves will not be needed anymore

Additionally, __v4l2_async_nf_add_subdev() has been renamed
__v4l2_async_nf_add_connection().

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
media: stm32-dcmi: Use devm_platform_get_and_ioremap_resource() 2023-07-19T10:57:49+00:00 Yangtao Li frank.li@vivo.com 2023-07-06T10:10:56+00:00 6f92b43f2af0c610cc5e711f9b61a7c950d762a7 Convert platform_get_resource(), devm_ioremap_resource() to a single call to devm_platform_get_and_ioremap_resource(), as this is exactly what this function does. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> 
Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
media: sti: c8sectpfe: drop of_match_ptr() to avoid unused variables 2023-05-25T14:21:23+00:00 Alain Volmat avolmat@me.com 2023-02-04T20:29:40+00:00 11aaa0ec9c1848bb68df9c7e6eedab6d5b0a3cca When CONFIG_OF is not set, "of_match_ptr(<match_table>)" compiles to NULL, which leaves <match_table> unused, leading to warning such as: drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c:1175:34: warning: unused variable 'c8sectpfe_match' [-Wunused-const-variable] Drop the of_match_ptr usage to avoid such warning. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Alain Volmat <avolmat@me.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> 
When CONFIG_OF is not set, "of_match_ptr(<match_table>)" compiles to NULL,
which leaves <match_table> unused, leading to warning such as:

drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c:1175:34:
warning: unused variable 'c8sectpfe_match' [-Wunused-const-variable]

Drop the of_match_ptr usage to avoid such warning.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alain Volmat <avolmat@me.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>