Em Sun, 29 Nov 2015 21:20:11 +0200
Sakari Ailus <sakari.ai...@iki.fi> escreveu:
description missing. Otherwise looks ok.
> Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
> Cc: Javier Martinez Canillas <jav...@osg.samsung.com>
> Cc: Kamil Debski <k.deb...@samsung.com>
> Cc: Sylwester Nawrocki <s.nawro...@samsung.com>
> ---
> drivers/media/platform/exynos4-is/media-dev.c | 31
> +++++++++++++++++----------
> drivers/media/platform/exynos4-is/media-dev.h | 1 +
> 2 files changed, 21 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/media/platform/exynos4-is/media-dev.c
> b/drivers/media/platform/exynos4-is/media-dev.c
> index d55b4f3..704040c 100644
> --- a/drivers/media/platform/exynos4-is/media-dev.c
> +++ b/drivers/media/platform/exynos4-is/media-dev.c
> @@ -1046,10 +1046,10 @@ static int __fimc_md_modify_pipeline(struct
> media_entity *entity, bool enable)
> }
>
> /* Locking: called with entity->graph_obj.mdev->graph_mutex mutex held. */
> -static int __fimc_md_modify_pipelines(struct media_entity *entity, bool
> enable)
> +static int __fimc_md_modify_pipelines(struct media_entity *entity, bool
> enable,
> + struct media_entity_graph *graph)
> {
> struct media_entity *entity_err = entity;
> - struct media_entity_graph graph;
> int ret;
>
> /*
> @@ -1058,9 +1058,9 @@ static int __fimc_md_modify_pipelines(struct
> media_entity *entity, bool enable)
> * through active links. This is needed as we cannot power on/off the
> * subdevs in random order.
> */
> - media_entity_graph_walk_start(&graph, entity);
> + media_entity_graph_walk_start(graph, entity);
>
> - while ((entity = media_entity_graph_walk_next(&graph))) {
> + while ((entity = media_entity_graph_walk_next(graph))) {
> if (!is_media_entity_v4l2_io(entity))
> continue;
>
> @@ -1071,10 +1071,11 @@ static int __fimc_md_modify_pipelines(struct
> media_entity *entity, bool enable)
> }
>
> return 0;
> - err:
> - media_entity_graph_walk_start(&graph, entity_err);
>
> - while ((entity_err = media_entity_graph_walk_next(&graph))) {
> +err:
> + media_entity_graph_walk_start(graph, entity_err);
> +
> + while ((entity_err = media_entity_graph_walk_next(graph))) {
> if (!is_media_entity_v4l2_io(entity_err))
> continue;
>
> @@ -1090,21 +1091,29 @@ static int __fimc_md_modify_pipelines(struct
> media_entity *entity, bool enable)
> static int fimc_md_link_notify(struct media_link *link, unsigned int flags,
> unsigned int notification)
> {
> + struct media_entity_graph *graph =
> + &container_of(link->graph_obj.mdev, struct fimc_md,
> + media_dev)->link_setup_graph;
> struct media_entity *sink = link->sink->entity;
> int ret = 0;
>
> /* Before link disconnection */
> if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) {
> + ret = media_entity_graph_walk_init(graph,
> + link->graph_obj.mdev);
> + if (ret)
> + return ret;
> if (!(flags & MEDIA_LNK_FL_ENABLED))
> - ret = __fimc_md_modify_pipelines(sink, false);
> + ret = __fimc_md_modify_pipelines(sink, false, graph);
> #if 0
> else
> /* TODO: Link state change validation */
> #endif
> /* After link activation */
> - } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
> - (link->flags & MEDIA_LNK_FL_ENABLED)) {
> - ret = __fimc_md_modify_pipelines(sink, true);
> + } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH) {
> + if (link->flags & MEDIA_LNK_FL_ENABLED)
> + ret = __fimc_md_modify_pipelines(sink, true, graph);
> + media_entity_graph_walk_cleanup(graph);
> }
>
> return ret ? -EPIPE : 0;
> diff --git a/drivers/media/platform/exynos4-is/media-dev.h
> b/drivers/media/platform/exynos4-is/media-dev.h
> index 9a69913..e80c55d 100644
> --- a/drivers/media/platform/exynos4-is/media-dev.h
> +++ b/drivers/media/platform/exynos4-is/media-dev.h
> @@ -154,6 +154,7 @@ struct fimc_md {
> bool user_subdev_api;
> spinlock_t slock;
> struct list_head pipelines;
> + struct media_entity_graph link_setup_graph;
> };
>
> static inline
--
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