pm_runtime_get_sync() will increase the rumtime PM counter
even it returns an error. Thus a pairing decrement is needed
to prevent refcount leak. Fix this by replacing this API with
pm_runtime_resume_and_get(), which will not change the runtime
PM counter on error.
Signed-off-by: Yongzhi Liu <lyz_cs@xxxxxxxxxx>
---
drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +-
drivers/gpu/drm/rockchip/rockchip_lvds.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 4740cc1..05c6abf 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -100,7 +100,7 @@ static int cdn_dp_clk_enable(struct cdn_dp_device *dp)
goto err_core_clk;
}
- ret = pm_runtime_get_sync(dp->dev);
+ ret = pm_runtime_resume_and_get(dp->dev);
if (ret < 0) {
DRM_DEV_ERROR(dp->dev, "cannot get pm runtime %d\n", ret);
goto err_pm_runtime_get;
diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 0b97241..721ee0f 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -146,7 +146,7 @@ static int rk3288_lvds_poweron(struct rockchip_lvds *lvds)
DRM_DEV_ERROR(lvds->dev, "failed to enable lvds pclk %d\n", ret);
return ret;
}
- ret = pm_runtime_get_sync(lvds->dev);
+ ret = pm_runtime_resume_and_get(lvds->dev);
if (ret < 0) {
DRM_DEV_ERROR(lvds->dev, "failed to get pm runtime: %d\n", ret);
clk_disable(lvds->pclk);
--
2.7.4
