enable lvds 1280x800

hc

2023-11-20 0d8657dd3056063fb115946b10157477b5c70451

 kernel/drivers/dma-buf/reservation.c
..
..
@@ -109,8 +109,7 @@
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109
 
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 	dma_fence_get(fence);
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-	preempt_disable();
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-	write_seqcount_begin(&obj->seq);
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+	write_seqlock(&obj->seq);
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113
 
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 	for (i = 0; i < fobj->shared_count; ++i) {
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 		struct dma_fence *old_fence;
..
..
@@ -121,8 +120,7 @@
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 		if (old_fence->context == fence->context) {
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 			/* memory barrier is added by write_seqcount_begin */
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 			RCU_INIT_POINTER(fobj->shared[i], fence);
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-			write_seqcount_end(&obj->seq);
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-			preempt_enable();
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+			write_sequnlock(&obj->seq);
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 			dma_fence_put(old_fence);
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 			return;
..
..
@@ -146,8 +144,7 @@
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 		fobj->shared_count++;
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 	}
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-	write_seqcount_end(&obj->seq);
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-	preempt_enable();
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+	write_sequnlock(&obj->seq);
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 	dma_fence_put(signaled);
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 }
..
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@@ -191,15 +188,13 @@
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 	fobj->shared_count++;
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 done:
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-	preempt_disable();
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-	write_seqcount_begin(&obj->seq);
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+	write_seqlock(&obj->seq);
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 	/*
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 	 * RCU_INIT_POINTER can be used here,
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 	 * seqcount provides the necessary barriers
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 	 */
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 	RCU_INIT_POINTER(obj->fence, fobj);
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-	write_seqcount_end(&obj->seq);
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-	preempt_enable();
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+	write_sequnlock(&obj->seq);
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 	if (!old)
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 		return;
..
..
@@ -259,14 +254,11 @@
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 	if (fence)
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 		dma_fence_get(fence);
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-	preempt_disable();
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-	write_seqcount_begin(&obj->seq);
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-	/* write_seqcount_begin provides the necessary memory barrier */
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+	write_seqlock(&obj->seq);
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 	RCU_INIT_POINTER(obj->fence_excl, fence);
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 	if (old)
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 		old->shared_count = 0;
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-	write_seqcount_end(&obj->seq);
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-	preempt_enable();
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+	write_sequnlock(&obj->seq);
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 	/* inplace update, no shared fences */
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 	while (i--)
..
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@@ -349,13 +341,10 @@
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 	src_list = reservation_object_get_list(dst);
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 	old = reservation_object_get_excl(dst);
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343
 
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-	preempt_disable();
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-	write_seqcount_begin(&dst->seq);
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-	/* write_seqcount_begin provides the necessary memory barrier */
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+	write_seqlock(&dst->seq);
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 	RCU_INIT_POINTER(dst->fence_excl, new);
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 	RCU_INIT_POINTER(dst->fence, dst_list);
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-	write_seqcount_end(&dst->seq);
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-	preempt_enable();
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+	write_sequnlock(&dst->seq);
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348
 
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 	if (src_list)
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 		kfree_rcu(src_list, rcu);
..
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@@ -396,7 +385,7 @@
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 		shared_count = i = 0;
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386
 
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 		rcu_read_lock();
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-		seq = read_seqcount_begin(&obj->seq);
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+		seq = read_seqbegin(&obj->seq);
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 		fence_excl = rcu_dereference(obj->fence_excl);
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 		if (fence_excl && !dma_fence_get_rcu(fence_excl))
..
..
@@ -445,7 +434,7 @@
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 			}
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 		}
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436
 
448
-		if (i != shared_count || read_seqcount_retry(&obj->seq, seq)) {
437
+		if (i != shared_count || read_seqretry(&obj->seq, seq)) {
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 			while (i--)
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 				dma_fence_put(shared[i]);
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 			dma_fence_put(fence_excl);
..
..
@@ -494,7 +483,7 @@
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495
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 retry:
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 	shared_count = 0;
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-	seq = read_seqcount_begin(&obj->seq);
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+	seq = read_seqbegin(&obj->seq);
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 	rcu_read_lock();
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 	i = -1;
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489
 
..
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@@ -541,7 +530,7 @@
541
530
 
542
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 	rcu_read_unlock();
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 	if (fence) {
544
-		if (read_seqcount_retry(&obj->seq, seq)) {
533
+		if (read_seqretry(&obj->seq, seq)) {
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 			dma_fence_put(fence);
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 			goto retry;
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 		}
..
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@@ -597,7 +586,7 @@
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 retry:
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587
 	ret = true;
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 	shared_count = 0;
600
-	seq = read_seqcount_begin(&obj->seq);
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+	seq = read_seqbegin(&obj->seq);
601
590
 
602
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 	if (test_all) {
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 		unsigned i;
..
..
@@ -618,7 +607,7 @@
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 				break;
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 		}
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621
-		if (read_seqcount_retry(&obj->seq, seq))
610
+		if (read_seqretry(&obj->seq, seq))
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 			goto retry;
623
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 	}
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..
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@@ -631,7 +620,7 @@
631
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 			if (ret < 0)
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621
 				goto retry;
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622
 
634
-			if (read_seqcount_retry(&obj->seq, seq))
623
+			if (read_seqretry(&obj->seq, seq))
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 				goto retry;
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 		}
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 	}