50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
|
||
|
|
|
||
|
|
#include <drm/ttm/ttm_resource.h>
|
||
|
|
#include <drm/ttm/ttm_device.h>
|
||
|
|
#include <drm/ttm/ttm_placement.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
|
||
|
|
#include "ttm_module.h"
|
||
|
|
|
||
|
|
static int ttm_sys_man_alloc(struct ttm_resource_manager *man,
|
||
|
|
struct ttm_buffer_object *bo,
|
||
|
|
const struct ttm_place *place,
|
||
|
|
struct ttm_resource **res)
|
||
|
|
{
|
||
|
|
*res = kzalloc(sizeof(**res), GFP_KERNEL);
|
||
|
|
if (!*res)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
ttm_resource_init(bo, place, *res);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ttm_sys_man_free(struct ttm_resource_manager *man,
|
||
|
|
struct ttm_resource *res)
|
||
|
|
{
|
||
|
|
ttm_resource_fini(man, res);
|
||
|
|
kfree(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct ttm_resource_manager_func ttm_sys_manager_func = {
|
||
|
|
.alloc = ttm_sys_man_alloc,
|
||
|
|
.free = ttm_sys_man_free,
|
||
|
|
};
|
||
|
|
|
||
|
|
void ttm_sys_man_init(struct ttm_device *bdev)
|
||
|
|
{
|
||
|
|
struct ttm_resource_manager *man = &bdev->sysman;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Initialize the system memory buffer type.
|
||
|
|
* Other types need to be driver / IOCTL initialized.
|
||
|
|
*/
|
||
|
|
man->use_tt = true;
|
||
|
|
man->func = &ttm_sys_manager_func;
|
||
|
|
|
||
|
|
ttm_resource_manager_init(man, 0);
|
||
|
|
ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);
|
||
|
|
ttm_resource_manager_set_used(man, true);
|
||
|
|
}
|