| 1 | /* SPDX-License-Identifier: MIT */ |
|---|---|
| 2 | /* |
| 3 | * Copyright © 2021 Intel Corporation |
| 4 | */ |
| 5 | |
| 6 | #ifndef _I915_GEM_TTM_PM_H_ |
| 7 | #define _I915_GEM_TTM_PM_H_ |
| 8 | |
| 9 | #include <linux/types.h> |
| 10 | |
| 11 | struct intel_memory_region; |
| 12 | struct drm_i915_gem_object; |
| 13 | |
| 14 | #define I915_TTM_BACKUP_ALLOW_GPU BIT(0) |
| 15 | #define I915_TTM_BACKUP_PINNED BIT(1) |
| 16 | |
| 17 | int i915_ttm_backup_region(struct intel_memory_region *mr, u32 flags); |
| 18 | |
| 19 | void i915_ttm_recover_region(struct intel_memory_region *mr); |
| 20 | |
| 21 | int i915_ttm_restore_region(struct intel_memory_region *mr, u32 flags); |
| 22 | |
| 23 | /* Internal I915 TTM functions below. */ |
| 24 | void i915_ttm_backup_free(struct drm_i915_gem_object *obj); |
| 25 | |
| 26 | #endif |
| 27 |