diff options
| -rw-r--r-- | src/radeon_dri.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/src/radeon_dri.c b/src/radeon_dri.c index e99a6fe..fc32fd9 100644 --- a/src/radeon_dri.c +++ b/src/radeon_dri.c @@ -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, |