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drm/panfrost: Fix runtime PM imbalance on error

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The caller expects panfrost_job_hw_submit() to increase
runtime PM usage counter. The refcount decrement on the
error branch of WARN_ON() will break the counter balance
and needs to be removed.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200522134109.27204-1-dinghao.liu@zju.edu.cn
This commit is contained in:
Dinghao Liu 2020-05-22 21:41:09 +08:00 committed by Steven Price
parent b99773ef25
commit 64092598c4
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/panfrost/panfrost_job.c
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@ -152,7 +152,6 @@ static void panfrost_job_hw_submit(struct panfrost_job *job, int js)
return;
if (WARN_ON(job_read(pfdev, JS_COMMAND_NEXT(js)))) {
pm_runtime_put_sync_autosuspend(pfdev->dev);
return;
}