1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_scheduler.h b/drivers/gpu/drm/i915/i915_scheduler.h
new file mode 100644
index 000000000..6f0bf00fc
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_scheduler.h
@@ -0,0 +1,57 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2018 Intel Corporation
+ */
+
+#ifndef _I915_SCHEDULER_H_
+#define _I915_SCHEDULER_H_
+
+#include <linux/bitops.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+
+#include "i915_scheduler_types.h"
+
+#define priolist_for_each_request(it, plist, idx) \
+	for (idx = 0; idx < ARRAY_SIZE((plist)->requests); idx++) \
+		list_for_each_entry(it, &(plist)->requests[idx], sched.link)
+
+#define priolist_for_each_request_consume(it, n, plist, idx) \
+	for (; \
+	     (plist)->used ? (idx = __ffs((plist)->used)), 1 : 0; \
+	     (plist)->used &= ~BIT(idx)) \
+		list_for_each_entry_safe(it, n, \
+					 &(plist)->requests[idx], \
+					 sched.link)
+
+void i915_sched_node_init(struct i915_sched_node *node);
+void i915_sched_node_reinit(struct i915_sched_node *node);
+
+bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
+				      struct i915_sched_node *signal,
+				      struct i915_dependency *dep,
+				      unsigned long flags);
+
+int i915_sched_node_add_dependency(struct i915_sched_node *node,
+				   struct i915_sched_node *signal,
+				   unsigned long flags);
+
+void i915_sched_node_fini(struct i915_sched_node *node);
+
+void i915_schedule(struct i915_request *request,
+		   const struct i915_sched_attr *attr);
+
+void i915_schedule_bump_priority(struct i915_request *rq, unsigned int bump);
+
+struct list_head *
+i915_sched_lookup_priolist(struct intel_engine_cs *engine, int prio);
+
+void __i915_priolist_free(struct i915_priolist *p);
+static inline void i915_priolist_free(struct i915_priolist *p)
+{
+	if (p->priority != I915_PRIORITY_NORMAL)
+		__i915_priolist_free(p);
+}
+
+#endif /* _I915_SCHEDULER_H_ */