diff mbox series

[v5,3/7] drm/msm: Correct pm_runtime votes in recover worker

Message ID 20220819015030.v5.3.Ib07ecec3d5c17cb0e1efa6fcddaaa019ec2fb556@changeid
State Superseded
Headers show
Series Improve GPU Recovery | expand

Commit Message

Akhil P Oommen Aug. 18, 2022, 8:22 p.m. UTC
In the scenario where there is one a single submit which is hung, gpu is
power collapsed when it is retired. Because of this, by the time we call
reover(), gpu state would be already clear. Fix this by correctly
managing the pm runtime votes.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
---

(no changes since v1)

 drivers/gpu/drm/msm/msm_gpu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index e1dd3cc..1945efb 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -398,7 +398,6 @@  static void recover_worker(struct kthread_work *work)
 	/* Record the crash state */
 	pm_runtime_get_sync(&gpu->pdev->dev);
 	msm_gpu_crashstate_capture(gpu, submit, comm, cmd);
-	pm_runtime_put_sync(&gpu->pdev->dev);
 
 	kfree(cmd);
 	kfree(comm);
@@ -446,6 +445,8 @@  static void recover_worker(struct kthread_work *work)
 		}
 	}
 
+	pm_runtime_put_sync(&gpu->pdev->dev);
+
 	mutex_unlock(&gpu->lock);
 
 	msm_gpu_retire(gpu);