Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Rob Clark |
164 |
60.07% |
3 |
33.33% |
| Daniel R Thompson |
50 |
18.32% |
1 |
11.11% |
| Thomas Zimmermann |
38 |
13.92% |
1 |
11.11% |
| Maarten Lankhorst |
9 |
3.30% |
1 |
11.11% |
| Sam Ravnborg |
6 |
2.20% |
1 |
11.11% |
| Gerd Hoffmann |
4 |
1.47% |
1 |
11.11% |
| Thomas Gleixner |
2 |
0.73% |
1 |
11.11% |
| Total |
273 |
|
9 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*/
#include <linux/dma-buf.h>
#include <drm/drm_prime.h>
#include "msm_drv.h"
#include "msm_gem.h"
struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
struct msm_gem_object *msm_obj = to_msm_bo(obj);
int npages = obj->size >> PAGE_SHIFT;
if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */
return NULL;
return drm_prime_pages_to_sg(obj->dev, msm_obj->pages, npages);
}
int msm_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
{
void *vaddr;
vaddr = msm_gem_get_vaddr(obj);
if (IS_ERR(vaddr))
return PTR_ERR(vaddr);
dma_buf_map_set_vaddr(map, vaddr);
return 0;
}
void msm_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map)
{
msm_gem_put_vaddr(obj);
}
int msm_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 < 0)
return ret;
return msm_gem_mmap_obj(vma->vm_private_data, vma);
}
struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach, struct sg_table *sg)
{
return msm_gem_import(dev, attach->dmabuf, sg);
}
int msm_gem_prime_pin(struct drm_gem_object *obj)
{
if (!obj->import_attach)
msm_gem_get_pages(obj);
return 0;
}
void msm_gem_prime_unpin(struct drm_gem_object *obj)
{
if (!obj->import_attach)
msm_gem_put_pages(obj);
}