Hi Laurent,
On 17/02/2019 02:48, Laurent Pinchart wrote:
> To prepare for addition of more flags to the display list, replace the
> 'internal' flag field by a bitmask 'flags' field.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com>
> ---
> drivers/media/platform/vsp1/vsp1_dl.c | 31 +++++++++++++-----------
> drivers/media/platform/vsp1/vsp1_dl.h | 2 +-
> drivers/media/platform/vsp1/vsp1_drm.c | 6 ++++-
> drivers/media/platform/vsp1/vsp1_video.c | 2 +-
> 4 files changed, 24 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/media/platform/vsp1/vsp1_dl.c
> b/drivers/media/platform/vsp1/vsp1_dl.c
> index 64af449791b0..886b3a69d329 100644
> --- a/drivers/media/platform/vsp1/vsp1_dl.c
> +++ b/drivers/media/platform/vsp1/vsp1_dl.c
> @@ -178,7 +178,7 @@ struct vsp1_dl_cmd_pool {
> * @post_cmd: post command to be issued through extended dl header
> * @has_chain: if true, indicates that there's a partition chain
> * @chain: entry in the display list partition chain
> - * @internal: whether the display list is used for internal purpose
> + * @flags: display list flags, a combination of VSP1_DL_FRAME_END_*
> */
> struct vsp1_dl_list {
> struct list_head list;
> @@ -197,7 +197,7 @@ struct vsp1_dl_list {
> bool has_chain;
> struct list_head chain;
>
> - bool internal;
> + unsigned int flags;
> };
>
> /**
> @@ -861,13 +861,15 @@ static void vsp1_dl_list_commit_continuous(struct
> vsp1_dl_list *dl)
> *
> * If a display list is already pending we simply drop it as the new
> * display list is assumed to contain a more recent configuration. It is
> - * an error if the already pending list has the internal flag set, as
> - * there is then a process waiting for that list to complete. This
> - * shouldn't happen as the waiting process should perform proper
> - * locking, but warn just in case.
> + * an error if the already pending list has the
> + * VSP1_DL_FRAME_END_INTERNAL flag set, as there is then a process
> + * waiting for that list to complete. This shouldn't happen as the
> + * waiting process should perform proper locking, but warn just in
> + * case.
> */
> if (vsp1_dl_list_hw_update_pending(dlm)) {
> - WARN_ON(dlm->pending && dlm->pending->internal);
> + WARN_ON(dlm->pending &&
> + (dlm->pending->flags & VSP1_DL_FRAME_END_INTERNAL));
> __vsp1_dl_list_put(dlm->pending);
> dlm->pending = dl;
> return;
> @@ -897,7 +899,7 @@ static void vsp1_dl_list_commit_singleshot(struct
> vsp1_dl_list *dl)
> dlm->active = dl;
> }
>
> -void vsp1_dl_list_commit(struct vsp1_dl_list *dl, bool internal)
> +void vsp1_dl_list_commit(struct vsp1_dl_list *dl, unsigned int dl_flags)
> {
> struct vsp1_dl_manager *dlm = dl->dlm;
> struct vsp1_dl_list *dl_next;
> @@ -912,7 +914,7 @@ void vsp1_dl_list_commit(struct vsp1_dl_list *dl, bool
> internal)
> vsp1_dl_list_fill_header(dl_next, last);
> }
>
> - dl->internal = internal;
> + dl->flags = dl_flags & ~VSP1_DL_FRAME_END_COMPLETED;
>
> spin_lock_irqsave(&dlm->lock, flags);
>
> @@ -941,9 +943,10 @@ void vsp1_dl_list_commit(struct vsp1_dl_list *dl, bool
> internal)
> * set in single-shot mode as display list processing is then not continuous
> and
> * races never occur.
> *
> - * The VSP1_DL_FRAME_END_INTERNAL flag indicates that the previous display
> list
> - * has completed and had been queued with the internal notification flag.
> - * Internal notification is only supported for continuous mode.
> + * The following flags are only supported for continuous mode.
> + *
> + * The VSP1_DL_FRAME_END_INTERNAL flag indicates that the display list that
> just
> + * became active had been queued with the internal notification flag.
> */
> unsigned int vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm)
> {
> @@ -986,9 +989,9 @@ unsigned int vsp1_dlm_irq_frame_end(struct
> vsp1_dl_manager *dlm)
> * frame end interrupt. The display list thus becomes active.
> */
> if (dlm->queued) {
> - if (dlm->queued->internal)
> + if (dlm->queued->flags & VSP1_DL_FRAME_END_INTERNAL)
> flags |= VSP1_DL_FRAME_END_INTERNAL;
> - dlm->queued->internal = false;
> + dlm->queued->flags &= ~VSP1_DL_FRAME_END_INTERNAL;
>
> __vsp1_dl_list_put(dlm->active);
> dlm->active = dlm->queued;
> diff --git a/drivers/media/platform/vsp1/vsp1_dl.h
> b/drivers/media/platform/vsp1/vsp1_dl.h
> index 125750dc8b5c..e0fdb145e6ed 100644
> --- a/drivers/media/platform/vsp1/vsp1_dl.h
> +++ b/drivers/media/platform/vsp1/vsp1_dl.h
> @@ -61,7 +61,7 @@ struct vsp1_dl_list *vsp1_dl_list_get(struct
> vsp1_dl_manager *dlm);
> void vsp1_dl_list_put(struct vsp1_dl_list *dl);
> struct vsp1_dl_body *vsp1_dl_list_get_body0(struct vsp1_dl_list *dl);
> struct vsp1_dl_ext_cmd *vsp1_dl_get_pre_cmd(struct vsp1_dl_list *dl);
> -void vsp1_dl_list_commit(struct vsp1_dl_list *dl, bool internal);
> +void vsp1_dl_list_commit(struct vsp1_dl_list *dl, unsigned int dl_flags);
>
> struct vsp1_dl_body_pool *
> vsp1_dl_body_pool_create(struct vsp1_device *vsp1, unsigned int num_bodies,
> diff --git a/drivers/media/platform/vsp1/vsp1_drm.c
> b/drivers/media/platform/vsp1/vsp1_drm.c
> index 048190fd3a2d..9d20ef5cd5f8 100644
> --- a/drivers/media/platform/vsp1/vsp1_drm.c
> +++ b/drivers/media/platform/vsp1/vsp1_drm.c
> @@ -537,6 +537,10 @@ static void vsp1_du_pipeline_configure(struct
> vsp1_pipeline *pipe)
> struct vsp1_entity *next;
> struct vsp1_dl_list *dl;
> struct vsp1_dl_body *dlb;
> + unsigned int dl_flags = 0;
> +
> + if (drm_pipe->force_brx_release)
> + dl_flags |= VSP1_DL_FRAME_END_INTERNAL;
>
> dl = vsp1_dl_list_get(pipe->output->dlm);
> dlb = vsp1_dl_list_get_body0(dl);
> @@ -559,7 +563,7 @@ static void vsp1_du_pipeline_configure(struct
> vsp1_pipeline *pipe)
> vsp1_entity_configure_partition(entity, pipe, dl, dlb);
> }
>
> - vsp1_dl_list_commit(dl, drm_pipe->force_brx_release);
> + vsp1_dl_list_commit(dl, dl_flags);
> }
>
> /*
> -----------------------------------------------------------------------------
> diff --git a/drivers/media/platform/vsp1/vsp1_video.c
> b/drivers/media/platform/vsp1/vsp1_video.c
> index cfbab16c4820..8feaa8d89fe8 100644
> --- a/drivers/media/platform/vsp1/vsp1_video.c
> +++ b/drivers/media/platform/vsp1/vsp1_video.c
> @@ -426,7 +426,7 @@ static void vsp1_video_pipeline_run(struct vsp1_pipeline
> *pipe)
> }
>
> /* Complete, and commit the head display list. */
> - vsp1_dl_list_commit(dl, false);
> + vsp1_dl_list_commit(dl, 0);
> pipe->configured = true;
>
> vsp1_pipeline_run(pipe);
>
--
Regards
--
Kieran
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