OpenCloudOS-Kernel/drivers/gpu/drm/i915/intel_region_ttm.h

43 lines
1.1 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2021 Intel Corporation
*/
#ifndef _INTEL_REGION_TTM_H_
#define _INTEL_REGION_TTM_H_
#include <linux/types.h>
#include "i915_selftest.h"
struct drm_i915_private;
struct intel_memory_region;
struct ttm_resource;
struct ttm_device_funcs;
int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);
void intel_region_ttm_device_fini(struct drm_i915_private *dev_priv);
int intel_region_ttm_init(struct intel_memory_region *mem);
int intel_region_ttm_fini(struct intel_memory_region *mem);
struct i915_refct_sgt *
intel_region_ttm_resource_to_rsgt(struct intel_memory_region *mem,
struct ttm_resource *res);
void intel_region_ttm_resource_free(struct intel_memory_region *mem,
struct ttm_resource *res);
int intel_region_to_ttm_type(const struct intel_memory_region *mem);
struct ttm_device_funcs *i915_ttm_driver(void);
#ifdef CONFIG_DRM_I915_SELFTEST
struct ttm_resource *
intel_region_ttm_resource_alloc(struct intel_memory_region *mem,
resource_size_t size,
unsigned int flags);
#endif
#endif /* _INTEL_REGION_TTM_H_ */