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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * generic display timing functions4 *5 * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix6 */7 8#include <linux/errno.h>9#include <linux/export.h>10#include <video/display_timing.h>11#include <video/videomode.h>12 13void videomode_from_timing(const struct display_timing *dt,14 struct videomode *vm)15{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;21 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;26 27 vm->flags = dt->flags;28}29EXPORT_SYMBOL_GPL(videomode_from_timing);30 31int 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);41 42 return 0;43}44EXPORT_SYMBOL_GPL(videomode_from_timings);45