1 files changed, 36 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_scheduler.h b/drivers/gpu/drm/i915/i915_scheduler.h
index 70a42220358d..dbe9cb7ecd82 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.h
+++ b/drivers/gpu/drm/i915/i915_scheduler.h
@@ -8,9 +8,14 @@
 #define _I915_SCHEDULER_H_
 
 #include <linux/bitops.h>
+#include <linux/kernel.h>
 
 #include <uapi/drm/i915_drm.h>
 
+struct drm_i915_private;
+struct i915_request;
+struct intel_engine_cs;
+
 enum {
         I915_PRIORITY_MIN = I915_CONTEXT_MIN_USER_PRIORITY - 1,
         I915_PRIORITY_NORMAL = I915_CONTEXT_DEFAULT_PRIORITY,
@@ -19,6 +24,15 @@ enum {
         I915_PRIORITY_INVALID = INT_MIN
 };
 
+#define I915_USER_PRIORITY_SHIFT 2
+#define I915_USER_PRIORITY(x) ((x) << I915_USER_PRIORITY_SHIFT)
+
+#define I915_PRIORITY_COUNT BIT(I915_USER_PRIORITY_SHIFT)
+#define I915_PRIORITY_MASK (I915_PRIORITY_COUNT - 1)
+
+#define I915_PRIORITY_WAIT      ((u8)BIT(0))
+#define I915_PRIORITY_NEWCLIENT ((u8)BIT(1))
+
 struct i915_sched_attr {
         /**
          * @priority: execution and service priority
@@ -69,4 +83,26 @@ struct i915_dependency {
 #define I915_DEPENDENCY_ALLOC BIT(0)
 };
 
+void i915_sched_node_init(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 drm_i915_private *i915,
+                                   struct i915_sched_node *node,
+                                   struct i915_sched_node *signal);
+
+void i915_sched_node_fini(struct drm_i915_private *i915,
+                          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);
+
 #endif /* _I915_SCHEDULER_H_ */