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Refactor some HDE / VDE related code into its own function

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This commit is contained in:
Ian Romanick
2007-04-27 18:38:26 -07:00
parent 34ce078b22
commit d1000f6479
1 changed files with 42 additions and 73 deletions
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115
src/vb_setmode.c
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@@ -1905,6 +1905,35 @@ XGI_GetLVDSResInfo(USHORT ModeNo, USHORT ModeIdIndex, PVB_DEVICE_INFO pVBInfo)
}
static void
get_HDE_VDE(PVB_DEVICE_INFO pVBInfo, USHORT *HDE, USHORT *VDE)
{
switch (pVBInfo->LCDResInfo) {
case Panel1024x768:
case Panel1024x768x75:
*HDE = 1024;
*VDE = 768;
break;
case Panel1280x1024:
case Panel1280x1024x75:
*HDE = 1280;
*VDE = 1024;
break;
case Panel1400x1050:
*HDE = 1400;
*VDE = 1050;
break;
default:
*HDE = 1600;
*VDE = 1200;
break;
}
}
/* --------------------------------------------------------------------- */
/* Function : XGI_GetLVDSData */
/* Input : */
@@ -1934,24 +1963,7 @@ XGI_GetLVDSData(USHORT ModeNo, USHORT ModeIdIndex,
if (pVBInfo->VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
if (!(pVBInfo->LCDInfo & (SetLCDtoNonExpanding | EnableScalingLCD))) {
if ((pVBInfo->LCDResInfo == Panel1024x768)
|| (pVBInfo->LCDResInfo == Panel1024x768x75)) {
pVBInfo->HDE = 1024;
pVBInfo->VDE = 768;
}
else if ((pVBInfo->LCDResInfo == Panel1280x1024)
|| (pVBInfo->LCDResInfo == Panel1280x1024x75)) {
pVBInfo->HDE = 1280;
pVBInfo->VDE = 1024;
}
else if (pVBInfo->LCDResInfo == Panel1400x1050) {
pVBInfo->HDE = 1400;
pVBInfo->VDE = 1050;
}
else {
pVBInfo->HDE = 1600;
pVBInfo->VDE = 1200;
}
get_HDE_VDE(pVBInfo, & pVBInfo->HDE, & pVBInfo->VDE);
}
}
}
@@ -2069,44 +2081,17 @@ XGI_SetLVDSRegs(USHORT ModeNo, USHORT ModeIdIndex,
push2 = tempax;
/* GetLCDResInfo */
if ((pVBInfo->LCDResInfo == Panel1024x768)
|| (pVBInfo->LCDResInfo == Panel1024x768x75)) {
tempax = 1024;
tempbx = 768;
}
else if ((pVBInfo->LCDResInfo == Panel1280x1024)
|| (pVBInfo->LCDResInfo == Panel1280x1024x75)) {
tempax = 1280;
tempbx = 1024;
}
else if (pVBInfo->LCDResInfo == Panel1400x1050) {
tempax = 1400;
tempbx = 1050;
}
else {
tempax = 1600;
tempbx = 1200;
}
if (pVBInfo->LCDInfo & SetLCDtoNonExpanding) {
pVBInfo->HDE = tempax;
pVBInfo->VDE = tempbx;
pVBInfo->VGAHDE = tempax;
pVBInfo->VGAVDE = tempbx;
}
get_HDE_VDE(pVBInfo, & pVBInfo->HDE, & pVBInfo->VDE);
if ((pVBInfo->IF_DEF_ScaleLCD == 1)
&& (pVBInfo->LCDInfo & EnableScalingLCD)) {
tempax = pVBInfo->HDE;
tempbx = pVBInfo->VDE;
pVBInfo->VGAHDE = pVBInfo->HDE;
pVBInfo->VGAVDE = pVBInfo->VDE;
}
tempax = pVBInfo->HT;
if (pVBInfo->LCDInfo & EnableScalingLCD)
tempbx = LCDPtr1->LCDHDES;
else
tempbx = LCDPtr->LCDHDES;
tempbx = (pVBInfo->LCDInfo & EnableScalingLCD)
? LCDPtr1->LCDHDES : LCDPtr->LCDHDES;
tempcx = pVBInfo->HDE;
tempbx = tempbx & 0x0fff;
@@ -2142,6 +2127,7 @@ XGI_SetLVDSRegs(USHORT ModeNo, USHORT ModeIdIndex,
if (tempcx >= tempax)
tempcx -= tempax;
/* FIXME: Won't this *always* set tempax to zero? */
tempax = tempbx & 0x07;
tempax = tempax >> 5;
tempcx = tempcx >> 3;
@@ -5001,34 +4987,17 @@ XGI_SetLCDRegs(USHORT ModeNo, USHORT ModeIdIndex,
XGI_SetRegANDOR((XGIIOADDRESS) pVBInfo->Part2Port, 0x18, 0xDF, 0x00);
/* Customized LCDB Des no add */
tempbx = 5;
LCDBDesPtr =
(XGI_LCDDesStruct *) XGI_GetLcdPtr(tempbx, ModeNo, ModeIdIndex,
RefreshRateTableIndex, pVBInfo);
tempah = pVBInfo->LCDResInfo;
tempah &= PanelResInfo;
if ((tempah == Panel1024x768) || (tempah == Panel1024x768x75)) {
tempbx = 1024;
tempcx = 768;
}
else if ((tempah == Panel1280x1024) || (tempah == Panel1280x1024x75)) {
tempbx = 1280;
tempcx = 1024;
}
else if (tempah == Panel1400x1050) {
tempbx = 1400;
tempcx = 1050;
}
else {
tempbx = 1600;
tempcx = 1200;
}
LCDBDesPtr = (XGI_LCDDesStruct *) XGI_GetLcdPtr(5, ModeNo, ModeIdIndex,
RefreshRateTableIndex,
pVBInfo);
if (pVBInfo->LCDInfo & EnableScalingLCD) {
tempbx = pVBInfo->HDE;
tempcx = pVBInfo->VDE;
}
else {
get_HDE_VDE(pVBInfo, & tempbx, & tempcx);
}
pushbx = tempbx;
tempax = pVBInfo->VT;