Thanks, applied to drm-misc-next.
Regards, Qiang
On Fri, Nov 27, 2020 at 5:42 PM Qinglang Miao miaoqinglang@huawei.com wrote:
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in a reference leak here.
A new function pm_runtime_resume_and_get is introduced in [0] to keep usage counter balanced. So We fix the reference leak by replacing it with new funtion.
[0] dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter")
Fixes: 50de2e9ebbc0 ("drm/lima: enable runtime pm") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Qinglang Miao miaoqinglang@huawei.com
drivers/gpu/drm/lima/lima_sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c index dc6df9e9a..f6e7a88a5 100644 --- a/drivers/gpu/drm/lima/lima_sched.c +++ b/drivers/gpu/drm/lima/lima_sched.c @@ -200,7 +200,7 @@ static int lima_pm_busy(struct lima_device *ldev) int ret;
/* resume GPU if it has been suspended by runtime PM */
ret = pm_runtime_get_sync(ldev->dev);
ret = pm_runtime_resume_and_get(ldev->dev); if (ret < 0) return ret;-- 2.23.0