diff options
Diffstat (limited to 'src/mga_bios.c')
| -rw-r--r-- | src/mga_bios.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/mga_bios.c b/src/mga_bios.c index 34dcf7a..46a8c46 100644 --- a/src/mga_bios.c +++ b/src/mga_bios.c @@ -406,9 +406,12 @@ static void mga_parse_bios_ver_5( struct mga_bios_values * bios, Bool mga_read_and_process_bios( ScrnInfoPtr pScrn ) { - CARD8 bios_data[0x10000]; + CARD8 bios_data[0x20000]; unsigned offset; MGAPtr pMga = MGAPTR(pScrn); +#ifndef PCIACCESS + Bool pciBIOS = TRUE; +#endif int rlen; static const unsigned expected_length[] = { 0, 64, 64, 64, 128, 128 }; unsigned version; @@ -443,7 +446,28 @@ Bool mga_read_and_process_bios( ScrnInfoPtr pScrn ) * might be controlled by the PCI config space. */ +#ifdef PCIACCESS err = pci_device_read_rom(pMga->PciInfo, bios_data); +#else + if (pMga->BiosFrom == X_DEFAULT) { + pciBIOS = FALSE; + } + else if (pMga->BiosFrom == X_CONFIG && pMga->BiosAddress < 0x100000) { + pciBIOS = TRUE; + } + + if (pciBIOS) { + rlen = xf86ReadPciBIOS(0, pMga->PciTag, pMga->framebuffer_bar, + bios_data, sizeof(bios_data)); + } + else { + rlen = xf86ReadDomainMemory(pMga->PciTag, pMga->BiosAddress, + sizeof(bios_data), bios_data); + } + + err = rlen < (bios_data[2] << 9); +#endif + if (err) { xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Could not retrieve video BIOS!\n"); |