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sync code with last improvements from OpenBSD

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purplerain 2023-08-28 05:57:34 +00:00
commit 88965415ff
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
26235 changed files with 29195616 additions and 0 deletions
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xserver/hw/xfree86/common/xf86DPMS.c Normal file
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/*
* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
/*
* This file contains the DPMS functions required by the extension.
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include "os.h"
#include "globals.h"
#include "windowstr.h"
#include "xf86.h"
#include "xf86Priv.h"
#ifdef DPMSExtension
#include <X11/extensions/dpmsconst.h>
#include "dpmsproc.h"
#endif
#ifdef XSERVER_LIBPCIACCESS
#include "xf86VGAarbiter.h"
#endif
#ifdef DPMSExtension
static void
xf86DPMS(ScreenPtr pScreen, int level)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
if (pScrn->DPMSSet && pScrn->vtSema) {
xf86VGAarbiterLock(pScrn);
pScrn->DPMSSet(pScrn, level, 0);
xf86VGAarbiterUnlock(pScrn);
}
}
#endif
Bool
xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set, int flags)
{
#ifdef DPMSExtension
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
void *DPMSOpt;
MessageType enabled_from = X_DEFAULT;
Bool enabled = TRUE;
DPMSOpt = xf86FindOption(pScrn->options, "dpms");
if (DPMSDisabledSwitch) {
enabled_from = X_CMDLINE;
enabled = FALSE;
}
else if (DPMSOpt) {
enabled_from = X_CONFIG;
enabled = xf86CheckBoolOption(pScrn->options, "dpms", FALSE);
xf86MarkOptionUsed(DPMSOpt);
}
if (enabled) {
xf86DrvMsg(pScreen->myNum, enabled_from, "DPMS enabled\n");
pScrn->DPMSSet = set;
pScreen->DPMS = xf86DPMS;
}
return TRUE;
#else
return FALSE;
#endif
}