diff options
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_pipe.h | 3 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_video.c | 44 |
2 files changed, 34 insertions, 13 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.h b/drivers/media/platform/vsp1/vsp1_pipe.h index 91a784a..0cfd07a 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.h +++ b/drivers/media/platform/vsp1/vsp1_pipe.h @@ -82,7 +82,9 @@ enum vsp1_pipeline_state { * @dl: display list associated with the pipeline * @div_size: The maximum allowed partition size for the pipeline * @partitions: The number of partitions used to process one frame + * @partition: The current partition for configuration to process * @current_partition: The partition number currently being configured + * @part_table: The pre-calculated partitions used by the pipeline */ struct vsp1_pipeline { struct media_pipeline pipe; @@ -117,6 +119,7 @@ struct vsp1_pipeline { unsigned int partitions; struct v4l2_rect partition; unsigned int current_partition; + struct v4l2_rect *part_table; }; void vsp1_pipeline_reset(struct vsp1_pipeline *pipe); diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index e4c0bfa..2ac57a4 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -256,12 +256,13 @@ static struct v4l2_rect vsp1_video_partition(struct vsp1_pipeline *pipe, return partition; } -static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) +static int vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) { struct vsp1_device *vsp1 = pipe->output->entity.vsp1; const struct v4l2_mbus_framefmt *format; struct vsp1_entity *entity; unsigned int div_size; + unsigned int i; /* * Partitions are computed on the size before rotation, use the format @@ -272,17 +273,17 @@ static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) RWPF_PAD_SINK); div_size = format->width; - /* Gen2 hardware doesn't require image partitioning. */ - if (vsp1->info->gen == 2) { - pipe->div_size = div_size; - pipe->partitions = 1; - return; - } + /* + * Only Gen3 hardware requires image partitioning, Gen2 will operate + * with a single partition that covers the whole output. + */ + if (vsp1->info->gen == 3) { + list_for_each_entry(entity, &pipe->entities, list_pipe) { + unsigned int entity_max; - list_for_each_entry(entity, &pipe->entities, list_pipe) { - unsigned int entity_max = VSP1_VIDEO_MAX_WIDTH; + if (!entity->ops->max_width) + continue; - if (entity->ops->max_width) { entity_max = entity->ops->max_width(entity, pipe); if (entity_max) div_size = min(div_size, entity_max); @@ -291,6 +292,15 @@ static void vsp1_video_pipeline_setup_partitions(struct vsp1_pipeline *pipe) pipe->div_size = div_size; pipe->partitions = DIV_ROUND_UP(format->width, div_size); + pipe->part_table = kcalloc(pipe->partitions, sizeof(*pipe->part_table), + GFP_KERNEL); + if (!pipe->part_table) + return -ENOMEM; + + for (i = 0; i < pipe->partitions; ++i) + pipe->part_table[i] = vsp1_video_partition(pipe, div_size, i); + + return 0; } /* ----------------------------------------------------------------------------- @@ -373,8 +383,7 @@ static void vsp1_video_pipeline_run_partition(struct vsp1_pipeline *pipe, { struct vsp1_entity *entity; - pipe->partition = vsp1_video_partition(pipe, pipe->div_size, - pipe->current_partition); + pipe->partition = pipe->part_table[pipe->current_partition]; list_for_each_entry(entity, &pipe->entities, list_pipe) { if (entity->ops->configure) @@ -783,9 +792,12 @@ static void vsp1_video_buffer_queue(struct vb2_buffer *vb) static int vsp1_video_setup_pipeline(struct vsp1_pipeline *pipe) { struct vsp1_entity *entity; + int ret; /* Determine this pipelines sizes for image partitioning support. */ - vsp1_video_pipeline_setup_partitions(pipe); + ret = vsp1_video_pipeline_setup_partitions(pipe); + if (ret < 0) + return ret; /* Prepare the display list. */ pipe->dl = vsp1_dl_list_get(pipe->output->dlm); @@ -834,6 +846,12 @@ static void vsp1_video_cleanup_pipeline(struct vsp1_pipeline *pipe) vb2_buffer_done(&buffer->buf.vb2_buf, VB2_BUF_STATE_ERROR); INIT_LIST_HEAD(&video->irqqueue); spin_unlock_irqrestore(&video->irqlock, flags); + + /* Release our partition table allocation */ + mutex_lock(&pipe->lock); + kfree(pipe->part_table); + pipe->part_table = NULL; + mutex_unlock(&pipe->lock); } static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count) |
