diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sync.c | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 51bb9d875268..a6f03414b108 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -360,7 +360,8 @@ struct xe_device *xe_device_create(struct pci_dev *pdev, INIT_LIST_HEAD(&xe->pinned.external_vram); INIT_LIST_HEAD(&xe->pinned.evicted); - xe->preempt_fence_wq = alloc_ordered_workqueue("xe-preempt-fence-wq", 0); + xe->preempt_fence_wq = alloc_ordered_workqueue("xe-preempt-fence-wq", + WQ_MEM_RECLAIM); xe->ordered_wq = alloc_ordered_workqueue("xe-ordered-wq", 0); xe->unordered_wq = alloc_workqueue("xe-unordered-wq", 0, 0); xe->destroy_wq = alloc_workqueue("xe-destroy-wq", 0, 0); diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index a90480c6aecf..42f5bebd09e5 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -87,8 +87,12 @@ static void user_fence_worker(struct work_struct *w) drm_dbg(&ufence->xe->drm, "mmget_not_zero() failed, ufence wasn't signaled\n"); } - wake_up_all(&ufence->xe->ufence_wq); + /* + * Wake up waiters only after updating the ufence state, allowing the UMD + * to safely reuse the same ufence without encountering -EBUSY errors. + */ WRITE_ONCE(ufence->signalled, 1); + wake_up_all(&ufence->xe->ufence_wq); user_fence_put(ufence); } |