diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/gem.h')
| -rw-r--r-- | drivers/gpu/drm/gma500/gem.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/gem.h b/drivers/gpu/drm/gma500/gem.h new file mode 100644 index 000000000..27df6ff4e --- /dev/null +++ b/drivers/gpu/drm/gma500/gem.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/************************************************************************** + * Copyright (c) 2014 Patrik Jakobsson + * All Rights Reserved. + * + **************************************************************************/ + +#ifndef _GEM_H +#define _GEM_H + +#include <linux/kernel.h> + +#include <drm/drm_gem.h> + +struct drm_device; + +/* + * PSB GEM object + */ + +struct psb_gem_object { + struct drm_gem_object base; + + struct resource resource; /* GTT resource for our allocation */ + u32 offset; /* GTT offset of our object */ + int in_gart; /* Currently in the GART (ref ct) */ + bool stolen; /* Backed from stolen RAM */ + bool mmapping; /* Is mmappable */ + struct page **pages; /* Backing pages if present */ +}; + +static inline struct psb_gem_object *to_psb_gem_object(struct drm_gem_object *obj) +{ + return container_of(obj, struct psb_gem_object, base); +} + +struct psb_gem_object * +psb_gem_create(struct drm_device *dev, u64 size, const char *name, bool stolen, u32 align); + +int psb_gem_pin(struct psb_gem_object *pobj); +void psb_gem_unpin(struct psb_gem_object *pobj); + +/* + * Memory management + */ + +int psb_gem_mm_init(struct drm_device *dev); +void psb_gem_mm_fini(struct drm_device *dev); +int psb_gem_mm_resume(struct drm_device *dev); + +#endif |