1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /**************************************************************************
3 * Copyright (c) 2014 Patrik Jakobsson
6 **************************************************************************/
11 #include <linux/kernel.h>
13 #include <drm/drm_gem.h>
21 struct psb_gem_object {
22 struct drm_gem_object base;
24 struct resource resource; /* GTT resource for our allocation */
25 u32 offset; /* GTT offset of our object */
26 int in_gart; /* Currently in the GART (ref ct) */
27 bool stolen; /* Backed from stolen RAM */
28 bool mmapping; /* Is mmappable */
29 struct page **pages; /* Backing pages if present */
32 static inline struct psb_gem_object *to_psb_gem_object(struct drm_gem_object *obj)
34 return container_of(obj, struct psb_gem_object, base);
37 struct psb_gem_object *
38 psb_gem_create(struct drm_device *dev, u64 size, const char *name, bool stolen, u32 align);
40 int psb_gem_pin(struct psb_gem_object *pobj);
41 void psb_gem_unpin(struct psb_gem_object *pobj);
47 int psb_gem_mm_init(struct drm_device *dev);
48 void psb_gem_mm_fini(struct drm_device *dev);
49 int psb_gem_mm_resume(struct drm_device *dev);