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