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Diffstat (limited to 'drivers/gpu/drm/i915/i915_scheduler.h')
-rw-r--r--drivers/gpu/drm/i915/i915_scheduler.h36
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_ */