diff options
| author | Adam Jackson <ajax@benzedrine.nwnk.net> | 2007-03-28 11:09:56 -0400 |
|---|---|---|
| committer | Adam Jackson <ajax@benzedrine.nwnk.net> | 2007-03-28 11:53:13 -0400 |
| commit | 834bdfc2503f64d8f3bff088dc5eaf8f52f828f5 (patch) | |
| tree | 149fed9d49252a37789d9eb0f76715283bcc68d8 | |
| parent | 630390dc5b892941ed6609ca5c35b90be53333f7 (diff) | |
Disable MTRR support for PCIE G200SE cards, as it tickles hardware bugs.
| -rw-r--r-- | src/mga_driver.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mga_driver.c b/src/mga_driver.c index 9bb3ecf..3d172de 100644 --- a/src/mga_driver.c +++ b/src/mga_driver.c @@ -1477,6 +1477,14 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags) memcpy(pMga->Options, MGAOptions, sizeof(MGAOptions)); xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, pMga->Options); + if (pMga->is_G200SE) { + /* Disable MTRR support on PCIe systems */ + CARD32 temp = pciReadLong(pMga->PciTag, 0xDC); + if ((temp & 0x0000FF00) != 0x0) { + xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Disabling MTRR support.\n"); + pScrn->options = xf86ReplaceBoolOption(pScrn->options, "MTRR", FALSE); + } + } #if !defined(__powerpc__) pMga->softbooted = FALSE; |