diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c index 0d8f6bfc8d1d..2a463f5644ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c @@ -1004,6 +1004,7 @@ amdgpu_userq_restore_all(struct amdgpu_userq_mgr *uq_mgr) unsigned long queue_id; int ret = 0, r; + mutex_lock(&uq_mgr->userq_mutex); /* Resume all the queues for this process */ xa_for_each(&uq_mgr->userq_xa, queue_id, queue) { @@ -1019,6 +1020,7 @@ amdgpu_userq_restore_all(struct amdgpu_userq_mgr *uq_mgr) ret = r; } + mutex_unlock(&uq_mgr->userq_mutex); if (ret) drm_file_err(uq_mgr->file, "Failed to map all the queues\n"); @@ -1222,23 +1224,21 @@ static void amdgpu_userq_restore_worker(struct work_struct *work) struct dma_fence *ev_fence; int ret; - mutex_lock(&uq_mgr->userq_mutex); ev_fence = amdgpu_evf_mgr_get_fence(&fpriv->evf_mgr); if (!dma_fence_is_signaled(ev_fence)) - goto unlock; + goto put_fence; ret = amdgpu_userq_vm_validate(uq_mgr); if (ret) { drm_file_err(uq_mgr->file, "Failed to validate BOs to restore\n"); - goto unlock; + goto put_fence; } ret = amdgpu_userq_restore_all(uq_mgr); if (ret) drm_file_err(uq_mgr->file, "Failed to restore all queues\n"); -unlock: - mutex_unlock(&uq_mgr->userq_mutex); +put_fence: dma_fence_put(ev_fence); }