diff options
| author |   Akhil P Oommen <quic_akhilpo@quicinc.com> | 2022-08-19 01:52:11 +0530 |
|---|---|---|
| committer |   Rob Clark <robdclark@chromium.org> | 2022-08-28 09:29:27 -0700 |
| commit | 06097e372accb843db7174b337367c5a3f97af52 (patch) | |
| tree | 21dd3fc9123823ca91369e46f9722310ba3877ae /drivers/gpu/drm/msm | |
| parent | drm/msm: Take single rpm refcount on behalf of all submits (diff) | |
| download | linux-dev-06097e372accb843db7174b337367c5a3f97af52.tar.xz linux-dev-06097e372accb843db7174b337367c5a3f97af52.zip | |
drm/msm: Correct pm_runtime votes in recover worker
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>
Patchwork: https://patchwork.freedesktop.org/patch/498391/
Link: https://lore.kernel.org/r/20220819015030.v5.3.Ib07ecec3d5c17cb0e1efa6fcddaaa019ec2fb556@changeid
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 0a9406182ea7..da6242cbf87d 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -394,7 +394,6 @@ 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); @@ -442,6 +441,8 @@ static void recover_worker(struct kthread_work *work) } } + pm_runtime_put_sync(&gpu->pdev->dev); + mutex_unlock(&gpu->lock); msm_gpu_retire(gpu); |