1 /*
2  * Copyright (C) 2018 DisplayLink (UK) Ltd.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
17  * 02111-1307, USA.
18  */
19 
20 #ifndef META_KMS_UTILS_H
21 #define META_KMS_UTILS_H
22 
23 #include <stddef.h>
24 #include <stdint.h>
25 #include <xf86drmMode.h>
26 
27 #include "core/util-private.h"
28 
29 typedef struct _MetaDrmFormatBuf
30 {
31   char s[5];
32 } MetaDrmFormatBuf;
33 
34 META_EXPORT_TEST
35 float meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *drm_mode);
36 
37 META_EXPORT_TEST
38 int64_t meta_calculate_drm_mode_vblank_duration_us (const drmModeModeInfo *drm_mode);
39 
40 const char * meta_drm_format_to_string (MetaDrmFormatBuf *tmp,
41                                         uint32_t          drm_format);
42 
43 #endif /* META_KMS_UTILS_H */
44