in panfrost_job_hw_submit, pm_runtime_get_sync is called which increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning.
Signed-off-by: Navid Emamdoost navid.emamdoost@gmail.com --- drivers/gpu/drm/panfrost/panfrost_job.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c index 7914b1570841..89ac84667eb1 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.c +++ b/drivers/gpu/drm/panfrost/panfrost_job.c @@ -147,11 +147,10 @@ static void panfrost_job_hw_submit(struct panfrost_job *job, int js)
ret = pm_runtime_get_sync(pfdev->dev); if (ret < 0) - return; + goto out;
if (WARN_ON(job_read(pfdev, JS_COMMAND_NEXT(js)))) { - pm_runtime_put_sync_autosuspend(pfdev->dev); - return; + goto out; }
cfg = panfrost_mmu_as_get(pfdev, &job->file_priv->mmu); @@ -184,6 +183,9 @@ static void panfrost_job_hw_submit(struct panfrost_job *job, int js) job, js, jc_head);
job_write(pfdev, JS_COMMAND_NEXT(js), JS_COMMAND_START); +out: + pm_runtime_put_sync_autosuspend(pfdev->dev); + return; }
static void panfrost_acquire_object_fences(struct drm_gem_object **bos,