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authorEgbert Eich <eich@suse.de>2004-03-03 12:12:19 +0000
committerEgbert Eich <eich@suse.de>2004-03-03 12:12:19 +0000
commitd8072750f830173e3c9eefae8364d12190b20c26 (patch)
treebfc99c3d4bdcc4ef6bb59fcca5294ef1f49e1fec /src/mga_dacG.c
parentddb58a6e1be274dce96cc7c29965a45c2294c5d3 (diff)
Importing vendor version xf86-4_4_0 on Wed Mar 3 04:09:24 PST 2004xf86-4_4_0STSF-CURRENT
Diffstat (limited to 'src/mga_dacG.c')
-rw-r--r--src/mga_dacG.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/src/mga_dacG.c b/src/mga_dacG.c
index 842e75e..0a3a7e2 100644
--- a/src/mga_dacG.c
+++ b/src/mga_dacG.c
@@ -2,7 +2,7 @@
* MGA-1064, MGA-G100, MGA-G200, MGA-G400, MGA-G550 RAMDAC driver
*/
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dacG.c,v 1.54 2003/11/03 05:11:17 tsi Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_dacG.c,v 1.54tsi Exp $ */
/*
* This is a first cut at a non-accelerated version to work with the
@@ -548,6 +548,14 @@ MGAGInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
MGACRTC2GetPitch(pScrn, &ModeInfo);
MGACRTC2GetDisplayStart(pScrn, &ModeInfo,0,0,0);
}
+
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ /* Disable byte-swapping for big-endian architectures - the XFree
+ driver seems to like a little-endian framebuffer -ReneR */
+ /* pReg->Option |= 0x80000000; */
+ pReg->Option &= ~0x80000000;
+#endif
+
return(TRUE);
}
@@ -670,6 +678,14 @@ MGAGRestore(ScrnInfoPtr pScrn, vgaRegPtr vgaReg, MGARegPtr mgaReg,
}
if(!pMga->SecondCrtc) {
+ /* Do not set the memory config for primary cards as it
+ should be correct already. Only on little endian architectures
+ since we need to modify the byteswap bit. -ReneR */
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ optionMask = OPTION1_MASK;
+#else
+ optionMask = (pMga->Primary) ? OPTION1_MASK_PRIMARY : OPTION1_MASK;
+#endif
MGA_NOT_HAL(
/*
@@ -695,10 +711,6 @@ MGA_NOT_HAL(
outMGAdac(i, mgaReg->DacRegs[i]);
}
- /* Do not set the memory config for primary cards as it
- should be correct already */
- optionMask = (pMga->Primary) ? OPTION1_MASK_PRIMARY : OPTION1_MASK;
-
if (!MGAISGx50(pMga)) {
/* restore pci_option register */
pciSetBitsLong(pMga->PciTag, PCI_OPTION_REG, optionMask,
@@ -939,6 +951,7 @@ MGAGSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
MGAPtr pMga = MGAPTR(pScrn);
x += 64;
y += 64;
+
#ifdef USEMGAHAL
MGA_HAL(
x += pMga->HALGranularityOffX;
@@ -1033,7 +1046,8 @@ MGAG_ddc1Read(ScrnInfoPtr pScrn)
static void
MGAG_I2CGetBits(I2CBusPtr b, int *clock, int *data)
{
- MGAPtr pMga = MGAPTR(xf86Screens[b->scrnIndex]);
+ ScrnInfoPtr pScrn = xf86Screens[b->scrnIndex];
+ MGAPtr pMga = MGAPTR(pScrn);
unsigned char val;
/* Get the result. */
@@ -1054,7 +1068,8 @@ MGAG_I2CGetBits(I2CBusPtr b, int *clock, int *data)
static void
MGAG_I2CPutBits(I2CBusPtr b, int clock, int data)
{
- MGAPtr pMga = MGAPTR(xf86Screens[b->scrnIndex]);
+ ScrnInfoPtr pScrn = xf86Screens[b->scrnIndex];
+ MGAPtr pMga = MGAPTR(pScrn);
unsigned char drv, val;
val = (clock ? DDC_SCL_MASK : 0) | (data ? DDC_SDA_MASK : 0);