Hi Laurent,
On 26/02/18 21:45, Laurent Pinchart wrote:
> Dynamic assignment of the BRU and BRS to pipelines is prone to
> regressions, add messages to make debugging easier. Keep it as a
> separate commit to ease removal of those messages once the code will
> deem to be completely stable.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Not really a review required here so much, so I'll just :
Acked-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> ---
> drivers/media/platform/vsp1/vsp1_drm.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c
> index 87e31ba0ddf5..521bbc227110 100644
> --- a/drivers/media/platform/vsp1/vsp1_drm.c
> +++ b/drivers/media/platform/vsp1/vsp1_drm.c
> @@ -190,6 +190,10 @@ static int vsp1_du_pipeline_setup_bru(struct vsp1_device *vsp1,
>
> /* Release our BRU if we have one. */
> if (pipe->bru) {
> + dev_dbg(vsp1->dev, "%s: pipe %u: releasing %s\n",
> + __func__, pipe->lif->index,
> + BRU_NAME(pipe->bru));
> +
> /*
> * The BRU might be acquired by the other pipeline in
> * the next step. We must thus remove it from the list
> @@ -219,6 +223,9 @@ static int vsp1_du_pipeline_setup_bru(struct vsp1_device *vsp1,
> if (bru->pipe) {
> struct vsp1_drm_pipeline *owner_pipe;
>
> + dev_dbg(vsp1->dev, "%s: pipe %u: waiting for %s\n",
> + __func__, pipe->lif->index, BRU_NAME(bru));
> +
> owner_pipe = to_vsp1_drm_pipeline(bru->pipe);
> owner_pipe->force_bru_release = true;
>
> @@ -245,6 +252,9 @@ static int vsp1_du_pipeline_setup_bru(struct vsp1_device *vsp1,
> &pipe->entities);
>
> /* Add the BRU to the pipeline. */
> + dev_dbg(vsp1->dev, "%s: pipe %u: acquired %s\n",
> + __func__, pipe->lif->index, BRU_NAME(bru));
> +
> pipe->bru = bru;
> pipe->bru->pipe = pipe;
> pipe->bru->sink = &pipe->output->entity;
> @@ -549,6 +559,10 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
> drm_pipe->du_complete = NULL;
> pipe->num_inputs = 0;
>
> + dev_dbg(vsp1->dev, "%s: pipe %u: releasing %s\n",
> + __func__, pipe->lif->index,
> + BRU_NAME(pipe->bru));
> +
> list_del(&pipe->bru->list_pipe);
> pipe->bru->pipe = NULL;
> pipe->bru = NULL;
>
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