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path: root/drivers/gpu/drm/xe/xe_force_wake.h
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_force_wake.h')
-rw-r--r--drivers/gpu/drm/xe/xe_force_wake.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_force_wake.h b/drivers/gpu/drm/xe/xe_force_wake.h
new file mode 100644
index 000000000000..83cb157da7cc
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_force_wake.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef _XE_FORCE_WAKE_H_
+#define _XE_FORCE_WAKE_H_
+
+#include "xe_assert.h"
+#include "xe_force_wake_types.h"
+
+struct xe_gt;
+
+void xe_force_wake_init_gt(struct xe_gt *gt,
+ struct xe_force_wake *fw);
+void xe_force_wake_init_engines(struct xe_gt *gt,
+ struct xe_force_wake *fw);
+int xe_force_wake_get(struct xe_force_wake *fw,
+ enum xe_force_wake_domains domains);
+int xe_force_wake_put(struct xe_force_wake *fw,
+ enum xe_force_wake_domains domains);
+
+static inline int
+xe_force_wake_ref(struct xe_force_wake *fw,
+ enum xe_force_wake_domains domain)
+{
+ xe_gt_assert(fw->gt, domain);
+ return fw->domains[ffs(domain) - 1].ref;
+}
+
+static inline void
+xe_force_wake_assert_held(struct xe_force_wake *fw,
+ enum xe_force_wake_domains domain)
+{
+ xe_gt_assert(fw->gt, fw->awake_domains & domain);
+}
+
+#endif