xref: /OK3568_Linux_fs/kernel/drivers/gpu/arm/mali400/mali/linux/mali_ukk_vsync.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (C) 2011-2014, 2016-2017 ARM Limited. All rights reserved.
3  *
4  * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5  * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
6  *
7  * A copy of the licence is included with the program, and can also be obtained from Free Software
8  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
9  */
10 #include <linux/fs.h>       /* file system operations */
11 #include <linux/uaccess.h>  /* user space access */
12 
13 #include "mali_ukk.h"
14 #include "mali_osk.h"
15 #include "mali_kernel_common.h"
16 #include "mali_session.h"
17 #include "mali_ukk_wrappers.h"
18 
19 
vsync_event_report_wrapper(struct mali_session_data * session_data,_mali_uk_vsync_event_report_s __user * uargs)20 int vsync_event_report_wrapper(struct mali_session_data *session_data, _mali_uk_vsync_event_report_s __user *uargs)
21 {
22 	_mali_uk_vsync_event_report_s kargs;
23 	_mali_osk_errcode_t err;
24 
25 	MALI_CHECK_NON_NULL(uargs, -EINVAL);
26 
27 	if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_vsync_event_report_s))) {
28 		return -EFAULT;
29 	}
30 
31 	kargs.ctx = (uintptr_t)session_data;
32 	err = _mali_ukk_vsync_event_report(&kargs);
33 	if (_MALI_OSK_ERR_OK != err) {
34 		return map_errcode(err);
35 	}
36 
37 	return 0;
38 }
39 
40