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path: root/drivers/gpu/drm/xe/xe_gt_pagefault.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_pagefault.c')
-rw-r--r--drivers/gpu/drm/xe/xe_gt_pagefault.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 9292d5468868..b2a7fa55bd18 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -382,6 +382,18 @@ static void pf_queue_work_func(struct work_struct *w)
static void acc_queue_work_func(struct work_struct *w);
+static void pagefault_fini(void *arg)
+{
+ struct xe_gt *gt = arg;
+ struct xe_device *xe = gt_to_xe(gt);
+
+ if (!xe->info.has_usm)
+ return;
+
+ destroy_workqueue(gt->usm.acc_wq);
+ destroy_workqueue(gt->usm.pf_wq);
+}
+
int xe_gt_pagefault_init(struct xe_gt *gt)
{
struct xe_device *xe = gt_to_xe(gt);
@@ -409,10 +421,12 @@ int xe_gt_pagefault_init(struct xe_gt *gt)
gt->usm.acc_wq = alloc_workqueue("xe_gt_access_counter_work_queue",
WQ_UNBOUND | WQ_HIGHPRI,
NUM_ACC_QUEUE);
- if (!gt->usm.acc_wq)
+ if (!gt->usm.acc_wq) {
+ destroy_workqueue(gt->usm.pf_wq);
return -ENOMEM;
+ }
- return 0;
+ return devm_add_action_or_reset(xe->drm.dev, pagefault_fini, gt);
}
void xe_gt_pagefault_reset(struct xe_gt *gt)