162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * generic display timing functions 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <linux/errno.h> 962306a36Sopenharmony_ci#include <linux/export.h> 1062306a36Sopenharmony_ci#include <video/display_timing.h> 1162306a36Sopenharmony_ci#include <video/videomode.h> 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_civoid videomode_from_timing(const struct display_timing *dt, 1462306a36Sopenharmony_ci struct videomode *vm) 1562306a36Sopenharmony_ci{ 1662306a36Sopenharmony_ci vm->pixelclock = dt->pixelclock.typ; 1762306a36Sopenharmony_ci vm->hactive = dt->hactive.typ; 1862306a36Sopenharmony_ci vm->hfront_porch = dt->hfront_porch.typ; 1962306a36Sopenharmony_ci vm->hback_porch = dt->hback_porch.typ; 2062306a36Sopenharmony_ci vm->hsync_len = dt->hsync_len.typ; 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci vm->vactive = dt->vactive.typ; 2362306a36Sopenharmony_ci vm->vfront_porch = dt->vfront_porch.typ; 2462306a36Sopenharmony_ci vm->vback_porch = dt->vback_porch.typ; 2562306a36Sopenharmony_ci vm->vsync_len = dt->vsync_len.typ; 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci vm->flags = dt->flags; 2862306a36Sopenharmony_ci} 2962306a36Sopenharmony_ciEXPORT_SYMBOL_GPL(videomode_from_timing); 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ciint videomode_from_timings(const struct display_timings *disp, 3262306a36Sopenharmony_ci struct videomode *vm, unsigned int index) 3362306a36Sopenharmony_ci{ 3462306a36Sopenharmony_ci struct display_timing *dt; 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci dt = display_timings_get(disp, index); 3762306a36Sopenharmony_ci if (!dt) 3862306a36Sopenharmony_ci return -EINVAL; 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci videomode_from_timing(dt, vm); 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci return 0; 4362306a36Sopenharmony_ci} 4462306a36Sopenharmony_ciEXPORT_SYMBOL_GPL(videomode_from_timings); 45