1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.h b/drivers/gpu/drm/i915/i915_sw_fence_work.h
new file mode 100644
index 000000000000..3a22b287e201
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: MIT */
+
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef I915_SW_FENCE_WORK_H
+#define I915_SW_FENCE_WORK_H
+
+#include <linux/dma-fence.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+
+#include "i915_sw_fence.h"
+
+struct dma_fence_work;
+
+struct dma_fence_work_ops {
+	const char *name;
+	int (*work)(struct dma_fence_work *f);
+	void (*release)(struct dma_fence_work *f);
+};
+
+struct dma_fence_work {
+	struct dma_fence dma;
+	spinlock_t lock;
+
+	struct i915_sw_fence chain;
+	struct i915_sw_dma_fence_cb cb;
+
+	struct work_struct work;
+	const struct dma_fence_work_ops *ops;
+};
+
+void dma_fence_work_init(struct dma_fence_work *f,
+			 const struct dma_fence_work_ops *ops);
+int dma_fence_work_chain(struct dma_fence_work *f, struct dma_fence *signal);
+
+static inline void dma_fence_work_commit(struct dma_fence_work *f)
+{
+	i915_sw_fence_commit(&f->chain);
+}
+
+#endif /* I915_SW_FENCE_WORK_H */