1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.h b/drivers/gpu/drm/i915/gt/intel_engine_pm.h
new file mode 100644
index 000000000000..739c50fefcef
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.h
@@ -0,0 +1,36 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef INTEL_ENGINE_PM_H
+#define INTEL_ENGINE_PM_H
+
+#include "intel_engine_types.h"
+#include "intel_wakeref.h"
+
+static inline bool
+intel_engine_pm_is_awake(const struct intel_engine_cs *engine)
+{
+	return intel_wakeref_is_active(&engine->wakeref);
+}
+
+static inline void intel_engine_pm_get(struct intel_engine_cs *engine)
+{
+	intel_wakeref_get(&engine->wakeref);
+}
+
+static inline bool intel_engine_pm_get_if_awake(struct intel_engine_cs *engine)
+{
+	return intel_wakeref_get_if_active(&engine->wakeref);
+}
+
+static inline void intel_engine_pm_put(struct intel_engine_cs *engine)
+{
+	intel_wakeref_put(&engine->wakeref);
+}
+
+void intel_engine_init__pm(struct intel_engine_cs *engine);
+
+#endif /* INTEL_ENGINE_PM_H */