From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Cc: linux-media@vger.kernel.org, sakari.ailus@linux.intel.com,
Jacopo Mondi <jacopo+renesas@jmondi.org>,
niklas.soderlund+renesas@ragnatech.se,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>
Subject: Re: [PATCH v5 06/24] media: entity: Move the pipeline from entity to pads
Date: Sun, 18 Apr 2021 21:00:21 +0300 [thread overview]
Message-ID: <YHxztaOVawtJxzIP@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20210415130450.421168-7-tomi.valkeinen@ideasonboard.com>
Hi Tomi and Sakari,
Thank you for the patch.
On Thu, Apr 15, 2021 at 04:04:32PM +0300, Tomi Valkeinen wrote:
> From: Sakari Ailus <sakari.ailus@linux.intel.com>
>
> This moves the pipe and stream_count fields from struct media_entity to
> struct media_pad. Effectively streams become pad-specific rather than
> being entity specific, allowing several independent streams to traverse a
> single entity and an entity to be part of several streams.
>
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>
> - Update documentation to use 'pads'
> - Use the media pad iterator in media_entity.c
> - Update rcar-dma.c to use the new per-pad stream count
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
>
> - Fix cleanup in the error path of __media_pipeline_start()
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
> ---
> drivers/media/mc/mc-entity.c | 68 +++++++++++--------
> drivers/media/platform/exynos4-is/fimc-isp.c | 2 +-
> drivers/media/platform/exynos4-is/fimc-lite.c | 2 +-
> drivers/media/platform/omap3isp/isp.c | 2 +-
> drivers/media/platform/omap3isp/ispvideo.c | 2 +-
> drivers/media/platform/omap3isp/ispvideo.h | 2 +-
> drivers/media/platform/rcar-vin/rcar-core.c | 16 +++--
> drivers/media/platform/rcar-vin/rcar-dma.c | 2 +-
> drivers/media/platform/xilinx/xilinx-dma.c | 2 +-
> drivers/media/platform/xilinx/xilinx-dma.h | 2 +-
> drivers/staging/media/imx/imx-media-utils.c | 2 +-
> drivers/staging/media/omap4iss/iss.c | 2 +-
> drivers/staging/media/omap4iss/iss_video.c | 2 +-
> drivers/staging/media/omap4iss/iss_video.h | 2 +-
> include/media/media-entity.h | 21 +++---
> 15 files changed, 73 insertions(+), 56 deletions(-)
>
> diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c
> index 830841e0cd28..b6e5aa639c26 100644
> --- a/drivers/media/mc/mc-entity.c
> +++ b/drivers/media/mc/mc-entity.c
> @@ -423,24 +423,28 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
>
> while ((pad = media_graph_walk_next(graph))) {
> struct media_entity *entity = pad->entity;
> + bool skip_validation = pad->pipe;
I'd write
bool skip_validation = pad->pipe != NULL;
> + struct media_pad *iter;
>
> DECLARE_BITMAP(active, MEDIA_ENTITY_MAX_PADS);
> DECLARE_BITMAP(has_no_links, MEDIA_ENTITY_MAX_PADS);
>
> - entity->stream_count++;
> -
> - if (entity->pipe && entity->pipe != pipe) {
> - pr_err("Pipe active for %s. Can't start for %s\n",
> - entity->name,
> - pad_err->entity->name);
> - ret = -EBUSY;
> - goto error;
> + media_entity_for_each_pad(entity, iter) {
> + if (iter->pipe && iter->pipe != pipe) {
> + pr_err("Pipe active for %s. Can't start for %s\n",
> + entity->name, iter->entity->name);
> + ret = -EBUSY;
> + } else {
> + iter->pipe = pipe;
> + }
> + iter->stream_count++;
> }
>
> - entity->pipe = pipe;
> + if (ret)
> + goto error;
>
> - /* Already streaming --- no need to check. */
> - if (entity->stream_count > 1)
> + /* Already part of the pipeline, skip validation. */
> + if (skip_validation)
> continue;
>
> if (!entity->ops || !entity->ops->link_validate)
> @@ -509,20 +513,23 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
> media_graph_walk_start(graph, pad_err);
>
> while ((pad_err = media_graph_walk_next(graph))) {
> - struct media_entity *entity_err = pad_err->entity;
> -
> - /* Sanity check for negative stream_count */
> - if (!WARN_ON_ONCE(entity_err->stream_count <= 0)) {
> - entity_err->stream_count--;
> - if (entity_err->stream_count == 0)
> - entity_err->pipe = NULL;
> + struct media_entity *entity = pad_err->entity;
> + struct media_pad *iter;
> +
> + media_entity_for_each_pad(entity, iter) {
> + /* Sanity check for negative stream_count */
> + if (!WARN_ON_ONCE(iter->stream_count <= 0)) {
> + --iter->stream_count;
> + if (iter->stream_count == 0)
> + iter->pipe = NULL;
> + }
> }
>
> /*
> * We haven't increased stream_count further than this
> * so we quit here.
> */
> - if (pad_err == pad)
> + if (pad_err->entity == pad->entity)
> break;
> }
>
> @@ -549,7 +556,7 @@ EXPORT_SYMBOL_GPL(media_pipeline_start);
>
> void __media_pipeline_stop(struct media_entity *entity)
> {
> - struct media_pipeline *pipe = entity->pipe;
> + struct media_pipeline *pipe = entity->pads->pipe;
> struct media_graph *graph = &pipe->graph;
> struct media_pad *pad;
>
> @@ -564,12 +571,15 @@ void __media_pipeline_stop(struct media_entity *entity)
>
> while ((pad = media_graph_walk_next(graph))) {
> struct media_entity *entity = pad->entity;
> -
> - /* Sanity check for negative stream_count */
> - if (!WARN_ON_ONCE(entity->stream_count <= 0)) {
> - entity->stream_count--;
> - if (entity->stream_count == 0)
> - entity->pipe = NULL;
> + struct media_pad *iter;
> +
> + media_entity_for_each_pad(entity, iter) {
> + /* Sanity check for negative stream_count */
> + if (!WARN_ON_ONCE(iter->stream_count <= 0)) {
> + iter->stream_count--;
> + if (iter->stream_count == 0)
> + iter->pipe = NULL;
> + }
> }
> }
>
> @@ -839,7 +849,7 @@ int __media_entity_setup_link(struct media_link *link, u32 flags)
> {
> const u32 mask = MEDIA_LNK_FL_ENABLED;
> struct media_device *mdev;
> - struct media_entity *source, *sink;
> + struct media_pad *source, *sink;
> int ret = -EBUSY;
>
> if (link == NULL)
> @@ -855,8 +865,8 @@ int __media_entity_setup_link(struct media_link *link, u32 flags)
> if (link->flags == flags)
> return 0;
>
> - source = link->source->entity;
> - sink = link->sink->entity;
> + source = link->source;
> + sink = link->sink;
>
> if (!(link->flags & MEDIA_LNK_FL_DYNAMIC) &&
> (source->stream_count || sink->stream_count))
> diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c
> index a77c49b18511..563d07f630bc 100644
> --- a/drivers/media/platform/exynos4-is/fimc-isp.c
> +++ b/drivers/media/platform/exynos4-is/fimc-isp.c
> @@ -223,7 +223,7 @@ static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
> }
> }
> } else {
> - if (sd->entity.stream_count == 0) {
> + if (sd->entity.pads->stream_count == 0) {
> if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
> struct v4l2_subdev_format format = *fmt;
>
> diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
> index fe20af3a7178..56773a0be8d9 100644
> --- a/drivers/media/platform/exynos4-is/fimc-lite.c
> +++ b/drivers/media/platform/exynos4-is/fimc-lite.c
> @@ -1070,7 +1070,7 @@ static int fimc_lite_subdev_set_fmt(struct v4l2_subdev *sd,
> mutex_lock(&fimc->lock);
>
> if ((atomic_read(&fimc->out_path) == FIMC_IO_ISP &&
> - sd->entity.stream_count > 0) ||
> + sd->entity.pads->stream_count > 0) ||
> (atomic_read(&fimc->out_path) == FIMC_IO_DMA &&
> vb2_is_busy(&fimc->vb_queue))) {
> mutex_unlock(&fimc->lock);
> diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
> index a6bb7d9bf75f..4ef623f10a44 100644
> --- a/drivers/media/platform/omap3isp/isp.c
> +++ b/drivers/media/platform/omap3isp/isp.c
> @@ -930,7 +930,7 @@ static int isp_pipeline_is_last(struct media_entity *me)
> struct isp_pipeline *pipe;
> struct media_pad *pad;
>
> - if (!me->pipe)
> + if (!me->pads->pipe)
> return 0;
> pipe = to_isp_pipeline(me);
> if (pipe->stream_state == ISP_PIPELINE_STREAM_STOPPED)
> diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c
> index 49cde04bfb21..f3bee79cdd85 100644
> --- a/drivers/media/platform/omap3isp/ispvideo.c
> +++ b/drivers/media/platform/omap3isp/ispvideo.c
> @@ -1094,7 +1094,7 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
> /* Start streaming on the pipeline. No link touching an entity in the
> * pipeline can be activated or deactivated once streaming is started.
> */
> - pipe = video->video.entity.pipe
> + pipe = video->video.entity.pads->pipe
> ? to_isp_pipeline(&video->video.entity) : &video->pipe;
>
> ret = media_entity_enum_init(&pipe->ent_enum, &video->isp->media_dev);
> diff --git a/drivers/media/platform/omap3isp/ispvideo.h b/drivers/media/platform/omap3isp/ispvideo.h
> index a0908670c0cf..4c9c5b719ec5 100644
> --- a/drivers/media/platform/omap3isp/ispvideo.h
> +++ b/drivers/media/platform/omap3isp/ispvideo.h
> @@ -100,7 +100,7 @@ struct isp_pipeline {
> };
>
> #define to_isp_pipeline(__e) \
> - container_of((__e)->pipe, struct isp_pipeline, pipe)
> + container_of((__e)->pads->pipe, struct isp_pipeline, pipe)
>
> static inline int isp_pipeline_ready(struct isp_pipeline *pipe)
> {
> diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c
> index cb3025992817..07ec008aacc4 100644
> --- a/drivers/media/platform/rcar-vin/rcar-core.c
> +++ b/drivers/media/platform/rcar-vin/rcar-core.c
> @@ -132,13 +132,17 @@ static int rvin_group_link_notify(struct media_link *link, u32 flags,
> return 0;
>
> /*
> - * Don't allow link changes if any entity in the graph is
> - * streaming, modifying the CHSEL register fields can disrupt
> - * running streams.
> + * Don't allow link changes if any stream in the graph is active as
> + * modifying the CHSEL register fields can disrupt running streams.
> */
> - media_device_for_each_entity(entity, &group->mdev)
> - if (entity->stream_count)
> - return -EBUSY;
> + media_device_for_each_entity(entity, &group->mdev) {
> + struct media_pad *iter;
> +
> + media_entity_for_each_pad(entity, iter) {
> + if (iter->stream_count)
> + return -EBUSY;
> + }
Would it be enough to test entity->pads->stream_count, as the stream
count should be the same for all pads ?
> + }
>
> mutex_lock(&group->lock);
>
> diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c
> index f30dafbdf61c..7994262c9b63 100644
> --- a/drivers/media/platform/rcar-vin/rcar-dma.c
> +++ b/drivers/media/platform/rcar-vin/rcar-dma.c
> @@ -1231,7 +1231,7 @@ static int rvin_set_stream(struct rvin_dev *vin, int on)
> */
> mdev = vin->vdev.entity.graph_obj.mdev;
> mutex_lock(&mdev->graph_mutex);
> - pipe = sd->entity.pipe ? sd->entity.pipe : &vin->vdev.pipe;
> + pipe = sd->entity.pads->pipe ? sd->entity.pads->pipe : &vin->vdev.pipe;
> ret = __media_pipeline_start(&vin->vdev.entity, pipe);
> mutex_unlock(&mdev->graph_mutex);
> if (ret)
> diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
> index 8df3c43aecbe..7fa0467dddde 100644
> --- a/drivers/media/platform/xilinx/xilinx-dma.c
> +++ b/drivers/media/platform/xilinx/xilinx-dma.c
> @@ -403,7 +403,7 @@ static int xvip_dma_start_streaming(struct vb2_queue *vq, unsigned int count)
> * Use the pipeline object embedded in the first DMA object that starts
> * streaming.
> */
> - pipe = dma->video.entity.pipe
> + pipe = dma->video.entity.pads->pipe
> ? to_xvip_pipeline(&dma->video.entity) : &dma->pipe;
>
> ret = media_pipeline_start(&dma->video.entity, &pipe->pipe);
> diff --git a/drivers/media/platform/xilinx/xilinx-dma.h b/drivers/media/platform/xilinx/xilinx-dma.h
> index 2378bdae57ae..69ced71a5696 100644
> --- a/drivers/media/platform/xilinx/xilinx-dma.h
> +++ b/drivers/media/platform/xilinx/xilinx-dma.h
> @@ -47,7 +47,7 @@ struct xvip_pipeline {
>
> static inline struct xvip_pipeline *to_xvip_pipeline(struct media_entity *e)
> {
> - return container_of(e->pipe, struct xvip_pipeline, pipe);
> + return container_of(e->pads->pipe, struct xvip_pipeline, pipe);
> }
>
> /**
> diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
> index 5128915a5d6f..04b7c6bdcd85 100644
> --- a/drivers/staging/media/imx/imx-media-utils.c
> +++ b/drivers/staging/media/imx/imx-media-utils.c
> @@ -913,7 +913,7 @@ int imx_media_pipeline_set_stream(struct imx_media_dev *imxmd,
> __media_pipeline_stop(entity);
> } else {
> v4l2_subdev_call(sd, video, s_stream, 0);
> - if (entity->pipe)
> + if (entity->pads->pipe)
> __media_pipeline_stop(entity);
> }
>
> diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c
> index 085397045b36..4f4573219337 100644
> --- a/drivers/staging/media/omap4iss/iss.c
> +++ b/drivers/staging/media/omap4iss/iss.c
> @@ -543,7 +543,7 @@ static int iss_pipeline_is_last(struct media_entity *me)
> struct iss_pipeline *pipe;
> struct media_pad *pad;
>
> - if (!me->pipe)
> + if (!me->pads->pipe)
> return 0;
> pipe = to_iss_pipeline(me);
> if (pipe->stream_state == ISS_PIPELINE_STREAM_STOPPED)
> diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
> index 9f3ff5a37d90..9d7bf8c85558 100644
> --- a/drivers/staging/media/omap4iss/iss_video.c
> +++ b/drivers/staging/media/omap4iss/iss_video.c
> @@ -870,7 +870,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
> * Start streaming on the pipeline. No link touching an entity in the
> * pipeline can be activated or deactivated once streaming is started.
> */
> - pipe = pad->entity->pipe
> + pipe = pad->pipe
> ? to_iss_pipeline(pad->entity) : &video->pipe;
> pipe->external = NULL;
> pipe->external_rate = 0;
> diff --git a/drivers/staging/media/omap4iss/iss_video.h b/drivers/staging/media/omap4iss/iss_video.h
> index 526281bf0051..9b8ec27bf87d 100644
> --- a/drivers/staging/media/omap4iss/iss_video.h
> +++ b/drivers/staging/media/omap4iss/iss_video.h
> @@ -91,7 +91,7 @@ struct iss_pipeline {
> };
>
> #define to_iss_pipeline(__e) \
> - container_of((__e)->pipe, struct iss_pipeline, pipe)
> + container_of((__e)->pads->pipe, struct iss_pipeline, pipe)
>
> static inline int iss_pipeline_ready(struct iss_pipeline *pipe)
> {
> diff --git a/include/media/media-entity.h b/include/media/media-entity.h
> index 52b1a1cab57a..b8f94662526c 100644
> --- a/include/media/media-entity.h
> +++ b/include/media/media-entity.h
> @@ -180,15 +180,24 @@ enum media_pad_signal_type {
> *
> * @graph_obj: Embedded structure containing the media object common data
> * @entity: Entity this pad belongs to
> + * @pipe: Pipeline this pad belongs to.
> + * @stream_count: Stream count for the pad.
No period at the end of the lines.
> * @index: Pad index in the entity pads array, numbered from 0 to n
> * @sig_type: Type of the signal inside a media pad
> * @flags: Pad flags, as defined in
> * :ref:`include/uapi/linux/media.h <media_header>`
> * (seek for ``MEDIA_PAD_FL_*``)
> + * .. note::
> + *
> + * @stream_count reference count must never be negative, but is a signed
> + * integer on purpose: a simple ``WARN_ON(<0)`` check can be used to
> + * detect reference count bugs that would make them negative.
s/them/it/
> */
> struct media_pad {
> struct media_gobj graph_obj; /* must be first field in struct */
> struct media_entity *entity;
> + struct media_pipeline *pipe;
> + int stream_count;
> u16 index;
> enum media_pad_signal_type sig_type;
> unsigned long flags;
> @@ -267,9 +276,7 @@ enum media_entity_type {
> * @pads: Pads array with the size defined by @num_pads.
> * @links: List of data links.
> * @ops: Entity operations.
> - * @stream_count: Stream count for the entity.
> * @use_count: Use count for the entity.
> - * @pipe: Pipeline this entity belongs to.
> * @info: Union with devnode information. Kept just for backward
> * compatibility.
> * @info.dev: Contains device major and minor info.
> @@ -282,10 +289,9 @@ enum media_entity_type {
> *
> * .. note::
> *
> - * @stream_count and @use_count reference counts must never be
> - * negative, but are signed integers on purpose: a simple ``WARN_ON(<0)``
> - * check can be used to detect reference count bugs that would make them
> - * negative.
> + * @use_count reference count must never be negative, but is a signed
> + * integer on purpose: a simple ``WARN_ON(<0)`` check can be used to
> + * detect reference count bugs that would make them negative.
s/them/it/
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> */
> struct media_entity {
> struct media_gobj graph_obj; /* must be first field in struct */
> @@ -304,11 +310,8 @@ struct media_entity {
>
> const struct media_entity_operations *ops;
>
> - int stream_count;
> int use_count;
>
> - struct media_pipeline *pipe;
> -
> union {
> struct {
> u32 major;
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2021-04-18 18:00 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 13:04 [PATCH v5 00/24] v4l: subdev internal routing Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 01/24] media: entity: Use pad as a starting point for graph walk Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 02/24] media: entity: Use pads instead of entities in the media graph walk stack Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 03/24] media: entity: Walk the graph based on pads Tomi Valkeinen
2021-04-18 17:47 ` Laurent Pinchart
2021-04-20 11:30 ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 04/24] v4l: mc: Start walk from a specific pad in use count calculation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 05/24] media: entity: Add iterator helper for entity pads Tomi Valkeinen
2021-04-18 17:52 ` Laurent Pinchart
2021-04-22 12:04 ` Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 06/24] media: entity: Move the pipeline from entity to pads Tomi Valkeinen
2021-04-18 18:00 ` Laurent Pinchart [this message]
2021-04-20 11:38 ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 07/24] media: entity: Use pad as the starting point for a pipeline Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 08/24] media: entity: Add has_route entity operation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 09/24] media: entity: Add media_entity_has_route() function Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 10/24] media: entity: Use routing information during graph traversal Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 11/24] media: entity: Skip link validation for pads to which there is no route to Tomi Valkeinen
2021-04-18 18:06 ` Laurent Pinchart
2021-04-20 11:41 ` Sakari Ailus
2021-04-23 12:37 ` Tomi Valkeinen
2021-04-29 12:06 ` Sakari Ailus
2021-04-29 14:10 ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 12/24] media: entity: Add an iterator helper for connected pads Tomi Valkeinen
2021-04-18 18:20 ` Laurent Pinchart
2021-04-20 11:48 ` Sakari Ailus
2021-04-29 1:33 ` Laurent Pinchart
2021-04-29 11:56 ` Sakari Ailus
2021-04-29 12:04 ` Tomi Valkeinen
2021-04-29 12:07 ` Sakari Ailus
2021-04-29 12:14 ` Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 13/24] media: entity: Add only connected pads to the pipeline Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 14/24] media: entity: Add debug information in graph walk route check Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 15/24] v4l: Add bus type to frame descriptors Tomi Valkeinen
2021-04-18 19:23 ` Laurent Pinchart
2021-04-20 11:50 ` Sakari Ailus
2021-04-22 12:30 ` Tomi Valkeinen
2021-04-29 11:58 ` Sakari Ailus
2021-04-29 14:09 ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 16/24] v4l: Add CSI-2 bus configuration " Tomi Valkeinen
2021-04-18 19:24 ` Laurent Pinchart
2021-04-20 16:32 ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 17/24] v4l: Add stream to frame descriptor Tomi Valkeinen
2021-04-18 19:27 ` Laurent Pinchart
2021-04-22 12:47 ` Tomi Valkeinen
2021-04-22 16:18 ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 18/24] v4l: subdev: Add [GS]_ROUTING subdev ioctls and operations Tomi Valkeinen
2021-04-18 18:32 ` Laurent Pinchart
2021-04-22 11:16 ` Tomi Valkeinen
2021-04-22 16:20 ` Laurent Pinchart
2021-04-22 16:58 ` Tomi Valkeinen
2021-04-20 16:35 ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 19/24] media: Documentation: Add GS_ROUTING documentation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 20/24] v4l: mc: Add an S_ROUTING helper function for power state changes Tomi Valkeinen
2021-04-18 18:55 ` Laurent Pinchart
2021-04-20 16:41 ` Sakari Ailus
2021-04-15 13:04 ` [PATCH v5 21/24] v4l: subdev: routing kernel helper functions Tomi Valkeinen
2021-04-18 19:18 ` Laurent Pinchart
2021-04-15 13:04 ` [PATCH v5 22/24] v4l: subdev: add v4l2_subdev_get_format_dir() Tomi Valkeinen
2021-04-18 19:04 ` Laurent Pinchart
2021-04-21 13:04 ` Tomi Valkeinen
2021-04-29 1:43 ` Laurent Pinchart
2021-05-04 6:49 ` Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 23/24] v4l: subdev: Take routing information into account in link validation Tomi Valkeinen
2021-04-15 13:04 ` [PATCH v5 24/24] v4l: subdev: increase V4L2_FRAME_DESC_ENTRY_MAX to 8 Tomi Valkeinen
2021-04-18 19:06 ` Laurent Pinchart
2021-04-16 8:38 ` [PATCH v5 00/24] v4l: subdev internal routing Niklas Söderlund
2021-04-16 8:47 ` Tomi Valkeinen
2021-04-16 8:56 ` Niklas Söderlund
2021-04-18 17:32 ` Laurent Pinchart
2021-04-21 12:57 ` Tomi Valkeinen
2021-04-29 1:27 ` Laurent Pinchart
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