C++ (Cpp) rockchip_drm_gem_object_mmap примеры использования

Пример #1

int rockchip_gem_mmap_buf(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;

    return rockchip_drm_gem_object_mmap(obj, vma);
}

Пример #2

/* drm driver mmap file operations */
int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma)
{
    struct drm_gem_object *obj;
    int ret;

    ret = drm_gem_mmap(filp, vma);
    if (ret)
        return ret;

    obj = vma->vm_private_data;

    return rockchip_drm_gem_object_mmap(obj, vma);
}

Пример #3

Файл: rockchip_drm_gem.c Проект: DenisLug/mptcp

int rockchip_gem_mmap_buf(struct drm_gem_object *obj,
			  struct vm_area_struct *vma)
{
	struct drm_device *drm = obj->dev;
	int ret;

	mutex_lock(&drm->struct_mutex);
	ret = drm_gem_mmap_obj(obj, obj->size, vma);
	mutex_unlock(&drm->struct_mutex);
	if (ret)
		return ret;

	return rockchip_drm_gem_object_mmap(obj, vma);
}