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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2018-02-23 18:58:48 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-04 08:05:29 -0400
commitdc3eaba4ee3debc1baa4a0e148cc7521f45d773b (patch)
treef5f9131e0df93c454cd65b3311d97ad67325129b /drivers/media/platform/vsp1
parentf81f9adc4ee1e94a38a9059f6291feea74f184e5 (diff)
downloadop-kernel-dev-dc3eaba4ee3debc1baa4a0e148cc7521f45d773b.zip
op-kernel-dev-dc3eaba4ee3debc1baa4a0e148cc7521f45d773b.tar.gz
media: v4l: vsp1: Add BRx dynamic assignment debugging messages
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>
Diffstat (limited to 'drivers/media/platform/vsp1')
-rw-r--r--drivers/media/platform/vsp1/vsp1_drm.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c
index f82f83b..b43d6dc 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;
@@ -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;
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