diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_force_wake.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_force_wake.h | 40 |
1 files changed, 40 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..5adb8daa3b71 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_force_wake.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef _XE_FORCE_WAKE_H_ +#define _XE_FORCE_WAKE_H_ + +#include "xe_force_wake_types.h" +#include "xe_macros.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); +void xe_force_wake_prune(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_BUG_ON(!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_BUG_ON(!(fw->awake_domains & domain)); +} + +#endif |