1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * generic display timing functions 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/errno.h> 9*4882a593Smuzhiyun #include <linux/export.h> 10*4882a593Smuzhiyun #include <video/display_timing.h> 11*4882a593Smuzhiyun #include <video/videomode.h> 12*4882a593Smuzhiyun videomode_from_timing(const struct display_timing * dt,struct videomode * vm)13*4882a593Smuzhiyunvoid videomode_from_timing(const struct display_timing *dt, 14*4882a593Smuzhiyun struct videomode *vm) 15*4882a593Smuzhiyun { 16*4882a593Smuzhiyun vm->pixelclock = dt->pixelclock.typ; 17*4882a593Smuzhiyun vm->hactive = dt->hactive.typ; 18*4882a593Smuzhiyun vm->hfront_porch = dt->hfront_porch.typ; 19*4882a593Smuzhiyun vm->hback_porch = dt->hback_porch.typ; 20*4882a593Smuzhiyun vm->hsync_len = dt->hsync_len.typ; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun vm->vactive = dt->vactive.typ; 23*4882a593Smuzhiyun vm->vfront_porch = dt->vfront_porch.typ; 24*4882a593Smuzhiyun vm->vback_porch = dt->vback_porch.typ; 25*4882a593Smuzhiyun vm->vsync_len = dt->vsync_len.typ; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun vm->flags = dt->flags; 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(videomode_from_timing); 30*4882a593Smuzhiyun videomode_from_timings(const struct display_timings * disp,struct videomode * vm,unsigned int index)31*4882a593Smuzhiyunint videomode_from_timings(const struct display_timings *disp, 32*4882a593Smuzhiyun struct videomode *vm, unsigned int index) 33*4882a593Smuzhiyun { 34*4882a593Smuzhiyun struct display_timing *dt; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun dt = display_timings_get(disp, index); 37*4882a593Smuzhiyun if (!dt) 38*4882a593Smuzhiyun return -EINVAL; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun videomode_from_timing(dt, vm); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun return 0; 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(videomode_from_timings); 45