cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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videomode.c (1080B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * generic display timing functions
      4 *
      5 * Copyright (c) 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
      6 */
      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);