[PATCH] drm/etnaviv: Add missing pm_runtime_put

From: Yongzhi Liu
Date: Tue Jan 18 2022 - 09:20:06 EST


pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code, thus a matching decrement is needed
on the error handling path to keep the counter balanced.

Signed-off-by: Yongzhi Liu <lyz_cs@xxxxxxxxxx>
---
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 242a5fd..5e81a98 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1714,6 +1714,9 @@ 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:
--
2.7.4