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drm/amdgpu: set the VM pointer to NULL in amdgpu_job_prepare

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As soon as the prepare phase is completed the VM might be released,
better set it to NULL.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2024-12-12 16:43:45 +01:00 committed by Alex Deucher
parent 57f812d171
commit 26c95e838e
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
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@ -361,6 +361,13 @@ amdgpu_job_prepare_job(struct drm_sched_job *sched_job,
dev_err(ring->adev->dev, "Error getting VM ID (%d)\n", r);
goto error;
}
/*
* The VM structure might be released after the VMID is
* assigned, we had multiple problems with people trying to use
* the VM pointer so better set it to NULL.
*/
if (!fence)
job->vm = NULL;
}
return fence;