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authorDinghao Liu <dinghao.liu@zju.edu.cn>2020-05-22 16:41:09 +0300
committerSteven Price <steven.price@arm.com>2020-06-19 13:00:02 +0300
commit64092598c4566dc80a71ca57396dc36fdbf3da4b (patch)
treeb2fba36133b8188f8ad93b6c0d591f9fc4e6005f /drivers/gpu
parentb99773ef258e628bd53cab22d450a755b73b4d55 (diff)
downloadlinux-64092598c4566dc80a71ca57396dc36fdbf3da4b.tar.xz
drm/panfrost: Fix runtime PM imbalance on error
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
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_job.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index ac87ef675e8a..360146f6f3d9 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -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;
}