From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt

---
 kernel/drivers/gpu/arm/mali400/mali/linux/mali_internal_sync.c |   10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/kernel/drivers/gpu/arm/mali400/mali/linux/mali_internal_sync.c b/kernel/drivers/gpu/arm/mali400/mali/linux/mali_internal_sync.c
index 831a476..e13cbad 100644
--- a/kernel/drivers/gpu/arm/mali400/mali/linux/mali_internal_sync.c
+++ b/kernel/drivers/gpu/arm/mali400/mali/linux/mali_internal_sync.c
@@ -77,7 +77,7 @@
 	struct mali_internal_sync_fence_waiter *waiter;
 #endif
 	struct mali_internal_sync_fence *sync_fence;
-	int ret = 0;
+	int ret;
 	MALI_DEBUG_ASSERT_POINTER(cb);
 	MALI_IGNORE(fence);
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 9, 0)
@@ -92,11 +92,7 @@
 	if (ret)
 		wake_up_all(&sync_fence->wq);
 #else
-	if (!sync_fence)
-		return;
-
-	if ((sync_fence->fence) && (sync_fence->fence->ops) && (sync_fence->fence->ops->signaled))
-		ret = sync_fence->fence->ops->signaled(sync_fence->fence);
+	ret = sync_fence->fence->ops->signaled(sync_fence->fence);
 
 	if (0 > ret)
 		MALI_PRINT_ERROR(("Mali internal sync:Failed to wait fence  0x%x for sync_fence 0x%x.\n", fence, sync_fence));
@@ -686,7 +682,7 @@
 
 
 	spin_lock_irqsave(fence->lock, flags);
-	if (!list_empty(&sync_pt->sync_pt_list))
+	if (WARN_ON_ONCE(!list_empty(&sync_pt->sync_pt_list)))
 		list_del(&sync_pt->sync_pt_list);
 	spin_unlock_irqrestore(fence->lock, flags);
 

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