XLibre/xf86-video-vesa
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Use VBE services for DPMS instead of banging VGA registers manually.

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This commit is contained in:
Adam Jackson
2008-07-01 14:07:15 -04:00
parent 3631892e0c
commit ea57dcf423
1 changed files with 1 additions and 33 deletions
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34
src/vesa.c
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@@ -1656,45 +1656,13 @@ VESADisplayPowerManagementSet(ScrnInfoPtr pScrn, int mode,
int flags)
{
VESAPtr pVesa = VESAGetRec(pScrn);
unsigned char seq1 = 0, crtc17 = 0;
if (!pScrn->vtSema)
return;
switch (mode) {
case DPMSModeOn:
/* Screen: On; HSync: On, VSync: On */
seq1 = 0x00;
crtc17 = 0x80;
break;
case DPMSModeStandby:
/* Screen: Off; HSync: Off, VSync: On -- Not Supported */
seq1 = 0x20;
crtc17 = 0x80;
break;
case DPMSModeSuspend:
/* Screen: Off; HSync: On, VSync: Off -- Not Supported */
seq1 = 0x20;
crtc17 = 0x80;
break;
case DPMSModeOff:
/* Screen: Off; HSync: Off, VSync: Off */
seq1 = 0x20;
crtc17 = 0x00;
break;
}
WriteSeq(0x00, 0x01); /* Synchronous Reset */
seq1 |= ReadSeq(pVesa, 0x01) & ~0x20;
WriteSeq(0x01, seq1);
crtc17 |= ReadCrtc(pVesa, 0x17) & ~0x80;
usleep(10000);
WriteCrtc(0x17, crtc17);
WriteSeq(0x00, 0x03); /* End Reset */
VBEDPMSSet(pVesa->pVbe, mode);
}
/***********************************************************************
* DGA stuff
***********************************************************************/