diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2025-04-25 12:11:45 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-04-30 18:09:26 -0400 |
| commit | 482d48533257fdaa05b0f847ee919305f1668790 (patch) | |
| tree | 4a83650830673aba90ce51084803d74f6e1617bd | |
| parent | c5e02d6588f2498cf726e13504593f7325f1ee61 (diff) | |
drm/amdgpu/userq: take the userq_mgr lock in enforce isolation
Add the missing locking.
Fixes: 94976e7e5ede ("drm/amdgpu/userq: add helpers to start/stop scheduling")
Reviewed-by: Arvind Yadav <Arvind.Yadav@amd.com>
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c index 1fa9d2be87f3..afbe01149ed3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c @@ -865,6 +865,7 @@ int amdgpu_userq_stop_sched_for_enforce_isolation(struct amdgpu_device *adev, adev->userq_halt_for_enforce_isolation = true; list_for_each_entry_safe(uqm, tmp, &adev->userq_mgr_list, list) { cancel_delayed_work_sync(&uqm->resume_work); + mutex_lock(&uqm->userq_mutex); idr_for_each_entry(&uqm->userq_idr, queue, queue_id) { if (((queue->queue_type == AMDGPU_HW_IP_GFX) || (queue->queue_type == AMDGPU_HW_IP_COMPUTE)) && @@ -874,6 +875,7 @@ int amdgpu_userq_stop_sched_for_enforce_isolation(struct amdgpu_device *adev, ret = r; } } + mutex_unlock(&uqm->userq_mutex); } mutex_unlock(&adev->userq_mutex); return ret; @@ -897,6 +899,7 @@ int amdgpu_userq_start_sched_for_enforce_isolation(struct amdgpu_device *adev, dev_warn(adev->dev, "userq scheduling already started!\n"); adev->userq_halt_for_enforce_isolation = false; list_for_each_entry_safe(uqm, tmp, &adev->userq_mgr_list, list) { + mutex_lock(&uqm->userq_mutex); idr_for_each_entry(&uqm->userq_idr, queue, queue_id) { if (((queue->queue_type == AMDGPU_HW_IP_GFX) || (queue->queue_type == AMDGPU_HW_IP_COMPUTE)) && @@ -906,6 +909,7 @@ int amdgpu_userq_start_sched_for_enforce_isolation(struct amdgpu_device *adev, ret = r; } } + mutex_unlock(&uqm->userq_mutex); } mutex_unlock(&adev->userq_mutex); return ret; |