Add a callback field to the job structure, to be called just before
the job is to be freed. This allows the job's submitter to clean
up any of its own state, like decrement runtime PM refcounts.
Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
---
drivers/gpu/host1x/job.c | 3 +++
include/linux/host1x.h | 4 ++++
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/host1x/job.c b/drivers/gpu/host1x/job.c
index e4f16fc899b0..acf322beb56c 100644
--- a/drivers/gpu/host1x/job.c
+++ b/drivers/gpu/host1x/job.c
@@ -79,6 +79,9 @@ static void job_free(struct kref *ref)
{
struct host1x_job *job = container_of(ref, struct host1x_job, ref);
+ if (job->release)
+ job->release(job);
+
if (job->waiter)
host1x_intr_put_ref(job->syncpt->host, job->syncpt->id,
job->waiter);
diff --git a/include/linux/host1x.h b/include/linux/host1x.h
index 3ffe16152ebc..cabc5bef5bae 100644
--- a/include/linux/host1x.h
+++ b/include/linux/host1x.h
@@ -261,6 +261,10 @@ struct host1x_job {
/* Fast-forward syncpoint increments on job timeout */
bool syncpt_recovery;
+
+ /* Callback called when job is freed */
+ void (*release)(struct host1x_job *job);
+ void *user_data;
};
struct host1x_job *host1x_job_alloc(struct host1x_channel *ch,
--
2.28.0
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