forked from Minki/linux
d61dd248dd
Do not need to maintain our own shmem memory management code as drm_gem_shmem_helpers provides it. And we can also benifit from the work of others with shared code. This is also a preparation for implementing buffer madv. Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191010140152.17747-2-yuq825@gmail.com
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
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/* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
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#ifndef __LIMA_GEM_H__
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#define __LIMA_GEM_H__
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#include <drm/drm_gem_shmem_helper.h>
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struct lima_submit;
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struct lima_bo {
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struct drm_gem_shmem_object base;
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struct mutex lock;
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struct list_head va;
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};
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static inline struct lima_bo *
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to_lima_bo(struct drm_gem_object *obj)
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{
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return container_of(to_drm_gem_shmem_obj(obj), struct lima_bo, base);
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}
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static inline size_t lima_bo_size(struct lima_bo *bo)
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{
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return bo->base.base.size;
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}
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static inline struct dma_resv *lima_bo_resv(struct lima_bo *bo)
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{
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return bo->base.base.resv;
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}
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struct drm_gem_object *lima_gem_create_object(struct drm_device *dev, size_t size);
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int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file,
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u32 size, u32 flags, u32 *handle);
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int lima_gem_get_info(struct drm_file *file, u32 handle, u32 *va, u64 *offset);
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int lima_gem_submit(struct drm_file *file, struct lima_submit *submit);
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int lima_gem_wait(struct drm_file *file, u32 handle, u32 op, s64 timeout_ns);
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void lima_set_vma_flags(struct vm_area_struct *vma);
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#endif
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