diff options
Diffstat (limited to 'drivers/gpu/drm/i915/selftests/lib_sw_fence.h')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/lib_sw_fence.h | 42 |
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_ */ |