xref: /linux-6.15/drivers/video/videomode.c (revision 694f0506)
1 /*
2  * generic display timing functions
3  *
4  * Copyright (c) 2012 Steffen Trumtrar <[email protected]>, Pengutronix
5  *
6  * This file is released under the GPLv2
7  */
8 
9 #include <linux/errno.h>
10 #include <linux/export.h>
11 #include <video/display_timing.h>
12 #include <video/videomode.h>
13 
14 int videomode_from_timing(const struct display_timings *disp,
15 			  struct videomode *vm, unsigned int index)
16 {
17 	struct display_timing *dt;
18 
19 	dt = display_timings_get(disp, index);
20 	if (!dt)
21 		return -EINVAL;
22 
23 	vm->pixelclock = dt->pixelclock.typ;
24 	vm->hactive = dt->hactive.typ;
25 	vm->hfront_porch = dt->hfront_porch.typ;
26 	vm->hback_porch = dt->hback_porch.typ;
27 	vm->hsync_len = dt->hsync_len.typ;
28 
29 	vm->vactive = dt->vactive.typ;
30 	vm->vfront_porch = dt->vfront_porch.typ;
31 	vm->vback_porch = dt->vback_porch.typ;
32 	vm->vsync_len = dt->vsync_len.typ;
33 
34 	vm->flags = dt->flags;
35 
36 	return 0;
37 }
38 EXPORT_SYMBOL_GPL(videomode_from_timing);
39