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media: v4l: vsp1: Add BRx dynamic assignment debugging messages

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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@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Laurent Pinchart 2018-02-23 18:58:48 -05:00 committed by Mauro Carvalho Chehab
parent f81f9adc4e
commit dc3eaba4ee
1 changed files with 14 additions and 0 deletions
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14
drivers/media/platform/vsp1/vsp1_drm.c
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@ -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;
@ -548,6 +558,10 @@ 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;