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- missing diff from agp 8x support

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This commit is contained in:
Alex Deucher
2004-12-12 17:29:45 +00:00
parent 36b92808e4
commit 845df6dd96
1 changed files with 23 additions and 8 deletions
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31
src/radeon_dri.c
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@@ -721,23 +721,38 @@ static Bool RADEONSetAgpMode(RADEONInfoPtr info, ScreenPtr pScreen)
unsigned int device = drmAgpDeviceId(info->drmFD);
mode &= ~RADEON_AGP_MODE_MASK;
switch (info->agpMode) {
case 4: mode |= RADEON_AGP_4X_MODE;
case 2: mode |= RADEON_AGP_2X_MODE;
case 1: default: mode |= RADEON_AGP_1X_MODE;
if ((mode & RADEON_AGPv3_MODE) &&
(INREG(RADEON_AGP_STATUS) & RADEON_AGPv3_MODE)) {
switch (info->agpMode) {
case 8: mode |= RADEON_AGPv3_8X_MODE;
case 4: default: mode |= RADEON_AGPv3_4X_MODE;
}
/*TODO: need to take care of other bits valid for v3 mode
* currently these bits are not used in all tested cards.
*/
} else {
switch (info->agpMode) {
case 4: mode |= RADEON_AGP_4X_MODE;
case 2: mode |= RADEON_AGP_2X_MODE;
case 1: default: mode |= RADEON_AGP_1X_MODE;
}
}
if (info->agpFastWrite) mode |= RADEON_AGP_FW_MODE;
if ((vendor == PCI_VENDOR_AMD) &&
if (info->agpFastWrite &&
(vendor == PCI_VENDOR_AMD) &&
(device == PCI_CHIP_AMD761)) {
/* Disable fast write for AMD 761 chipset, since they cause
* lockups when enabled.
*/
mode &= ~0x10; /* FIXME: Magic number */
info->agpFastWrite = FALSE;
xf86DrvMsg(pScreen->myNum, X_WARNING,
"[agp] Not enabling Fast Writes on AMD 761 chipset to avoid "
"lockups");
}
if (info->agpFastWrite) mode |= RADEON_AGP_FW_MODE;
xf86DrvMsg(pScreen->myNum, X_INFO,
"[agp] Mode 0x%08lx [AGP 0x%04x/0x%04x; Card 0x%04x/0x%04x]\n",
mode, vendor, device,