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@pku.edu.cn --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 3e8d9e2..9fb83b6 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1930,7 +1930,7 @@ static int vop_initial(struct vop *vop) return PTR_ERR(vop->dclk); }
- ret = pm_runtime_get_sync(vop->dev); + ret = pm_runtime_resume_get(vop->dev); if (ret < 0) { DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret); return ret;