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drm/msm: Correct pm_runtime votes in recover worker

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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>
This commit is contained in:
Akhil P Oommen 2022-08-19 01:52:11 +05:30 committed by Rob Clark
parent 5b26f37d13
commit 06097e372a
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/msm/msm_gpu.c
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@ -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);