disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/i915/selftests/i915_sw_fence.c
..
..
@@ -571,21 +571,27 @@
571
571
 	unsigned long target, delay;
572
572
 	struct timed_fence tf;
573
573
 
574
+	preempt_disable();
574
575
 	timed_fence_init(&tf, target = jiffies);
575
576
 	if (!i915_sw_fence_done(&tf.fence)) {
576
577
 		pr_err("Fence with immediate expiration not signaled\n");
577
578
 		goto err;
578
579
 	}
580
+	preempt_enable();
579
581
 	timed_fence_fini(&tf);
580
582
 
581
583
 	for_each_prime_number(delay, i915_selftest.timeout_jiffies/2) {
584
+		preempt_disable();
582
585
 		timed_fence_init(&tf, target = jiffies + delay);
583
586
 		if (i915_sw_fence_done(&tf.fence)) {
584
587
 			pr_err("Fence with future expiration (%lu jiffies) already signaled\n", delay);
585
588
 			goto err;
586
589
 		}
590
+		preempt_enable();
587
591
 
588
592
 		i915_sw_fence_wait(&tf.fence);
593
+
594
+		preempt_disable();
589
595
 		if (!i915_sw_fence_done(&tf.fence)) {
590
596
 			pr_err("Fence not signaled after wait\n");
591
597
 			goto err;
..
..
@@ -595,13 +601,14 @@
595
601
 			       target, jiffies);
596
602
 			goto err;
597
603
 		}
598
-
604
+		preempt_enable();
599
605
 		timed_fence_fini(&tf);
600
606
 	}
601
607
 
602
608
 	return 0;
603
609
 
604
610
 err:
611
+	preempt_enable();
605
612
 	timed_fence_fini(&tf);
606
613
 	return -EINVAL;
607
614
 }
..
..
@@ -611,17 +618,9 @@
611
618
 	return "mock";
612
619
 }
613
620
 
614
-static bool mock_enable_signaling(struct dma_fence *fence)
615
-{
616
-	return true;
617
-}
618
-
619
621
 static const struct dma_fence_ops mock_fence_ops = {
620
622
 	.get_driver_name = mock_name,
621
623
 	.get_timeline_name = mock_name,
622
-	.enable_signaling = mock_enable_signaling,
623
-	.wait = dma_fence_default_wait,
624
-	.release = dma_fence_free,
625
624
 };
626
625
 
627
626
 static DEFINE_SPINLOCK(mock_fence_lock);