Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/selftests/lib_sw_fence.h b/drivers/gpu/drm/i915/selftests/lib_sw_fence.h
new file mode 100644
index 000000000..474aafb92
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/lib_sw_fence.h
@@ -0,0 +1,42 @@
+/*
+ * lib_sw_fence.h - library routines for testing N:M synchronisation points
+ *
+ * Copyright (C) 2017 Intel Corporation
+ *
+ * This file is released under the GPLv2.
+ *
+ */
+
+#ifndef _LIB_SW_FENCE_H_
+#define _LIB_SW_FENCE_H_
+
+#include <linux/timer.h>
+
+#include "../i915_sw_fence.h"
+
+#ifdef CONFIG_LOCKDEP
+#define onstack_fence_init(fence)				\
+do {								\
+	static struct lock_class_key __key;			\
+								\
+	__onstack_fence_init((fence), #fence, &__key);	\
+} while (0)
+#else
+#define onstack_fence_init(fence)				\
+	__onstack_fence_init((fence), NULL, NULL)
+#endif
+
+void __onstack_fence_init(struct i915_sw_fence *fence,
+			  const char *name,
+			  struct lock_class_key *key);
+void onstack_fence_fini(struct i915_sw_fence *fence);
+
+struct timed_fence {
+	struct i915_sw_fence fence;
+	struct timer_list timer;
+};
+
+void timed_fence_init(struct timed_fence *tf, unsigned long expires);
+void timed_fence_fini(struct timed_fence *tf);
+
+#endif /* _LIB_SW_FENCE_H_ */