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55716d26 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
8714c0ce ST |
2 | /* |
3 | * generic display timing functions | |
4 | * | |
5 | * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix | |
8714c0ce ST |
6 | */ |
7 | ||
8 | #include <linux/errno.h> | |
9 | #include <linux/export.h> | |
10 | #include <video/display_timing.h> | |
11 | #include <video/videomode.h> | |
12 | ||
6cd2c7db TV |
13 | void videomode_from_timing(const struct display_timing *dt, |
14 | struct videomode *vm) | |
8714c0ce | 15 | { |
694f0506 TV |
16 | vm->pixelclock = dt->pixelclock.typ; |
17 | vm->hactive = dt->hactive.typ; | |
18 | vm->hfront_porch = dt->hfront_porch.typ; | |
19 | vm->hback_porch = dt->hback_porch.typ; | |
20 | vm->hsync_len = dt->hsync_len.typ; | |
8714c0ce | 21 | |
694f0506 TV |
22 | vm->vactive = dt->vactive.typ; |
23 | vm->vfront_porch = dt->vfront_porch.typ; | |
24 | vm->vback_porch = dt->vback_porch.typ; | |
25 | vm->vsync_len = dt->vsync_len.typ; | |
8714c0ce | 26 | |
06a33079 | 27 | vm->flags = dt->flags; |
6cd2c7db TV |
28 | } |
29 | EXPORT_SYMBOL_GPL(videomode_from_timing); | |
30 | ||
31 | int videomode_from_timings(const struct display_timings *disp, | |
32 | struct videomode *vm, unsigned int index) | |
33 | { | |
34 | struct display_timing *dt; | |
35 | ||
36 | dt = display_timings_get(disp, index); | |
37 | if (!dt) | |
38 | return -EINVAL; | |
39 | ||
40 | videomode_from_timing(dt, vm); | |
8714c0ce ST |
41 | |
42 | return 0; | |
43 | } | |
6cd2c7db | 44 | EXPORT_SYMBOL_GPL(videomode_from_timings); |