Contributors: 1
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Qiang Yu |
192 |
100.00% |
1 |
100.00% |
| Total |
192 |
|
1 |
|
// SPDX-License-Identifier: GPL-2.0 OR MIT
/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */
#include <linux/dma-buf.h>
#include <drm/drm_prime.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include "lima_device.h"
#include "lima_object.h"
#include "lima_gem.h"
#include "lima_gem_prime.h"
struct drm_gem_object *lima_gem_prime_import_sg_table(
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *sgt)
{
struct lima_device *ldev = to_lima_dev(dev);
struct lima_bo *bo;
bo = lima_bo_create(ldev, attach->dmabuf->size, 0, sgt,
attach->dmabuf->resv);
if (IS_ERR(bo))
return ERR_CAST(bo);
return &bo->gem;
}
struct sg_table *lima_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
struct lima_bo *bo = to_lima_bo(obj);
int npages = obj->size >> PAGE_SHIFT;
return drm_prime_pages_to_sg(bo->pages, npages);
}
int lima_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
{
int ret;
ret = drm_gem_mmap_obj(obj, obj->size, vma);
if (ret)
return ret;
lima_set_vma_flags(vma);
return 0;
}