drm: Add default instance for VRAM MM callback functions

#include <drm/drm_gem_vram_helper.h>

#include <drm/drm_mode.h>

#include <drm/drm_prime.h>

#include <drm/drm_vram_mm_helper.h>

#include <drm/ttm/ttm_page_alloc.h>

/**

}

EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access);

/**

 * drm_gem_vram_mm_funcs - Functions for &struct drm_vram_mm

 *

 * Most users of @struct drm_gem_vram_object will also use

 * @struct drm_vram_mm. This instance of &struct drm_vram_mm_funcs

 * can be used to connect both.

 */

const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs = {

	.evict_flags = drm_gem_vram_bo_driver_evict_flags,

	.verify_access = drm_gem_vram_bo_driver_verify_access

};

EXPORT_SYMBOL(drm_gem_vram_mm_funcs);

/*

 * Helpers for struct drm_driver

 */

#include <linux/kernel.h> /* for container_of() */

struct drm_mode_create_dumb;

struct drm_vram_mm_funcs;

struct filp;

#define DRM_GEM_VRAM_PL_FLAG_VRAM	TTM_PL_FLAG_VRAM

int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo,

					 struct file *filp);

extern const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs;

/*

 * Helpers for struct drm_driver

 */