[PATCH] drm/etnaviv: fix runtime pm imbalance on error

[Dinghao Liu]

pm_runtime_get_sync() increments the runtime PM usage counter even
the call returns an error code. Thus a pairing decrement is needed
on the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu at zju.edu.cn>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index a31eeff2b297..da3f6ca5849f 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1691,6 +1691,9 @@ static int etnaviv_gpu_bind(struct device *dev, struct device *master,
 	return 0;
 
 out_sched:
+#ifdef CONFIG_PM
+	pm_runtime_put_autosuspend(gpu->dev);
+#endif
 	etnaviv_sched_fini(gpu);
 
 out_workqueue:
-- 
2.17.1