diff options
Diffstat (limited to 'drivers/char/agp')
| -rw-r--r-- | drivers/char/agp/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/char/agp/amd-k7-agp.c | 19 | ||||
| -rw-r--r-- | drivers/char/agp/intel-agp.c | 27 |
3 files changed, 17 insertions, 31 deletions
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig index fcd867d923ba..d8b1b576556c 100644 --- a/drivers/char/agp/Kconfig +++ b/drivers/char/agp/Kconfig @@ -50,7 +50,7 @@ config AGP_ATI config AGP_AMD tristate "AMD Irongate, 761, and 762 chipset support" - depends on AGP && (X86_32 || ALPHA) + depends on AGP && X86_32 help This option gives you AGP support for the GLX component of X on AMD Irongate, 761, and 762 chipsets. diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index b1b4362bc648..45681c0ff3b6 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -41,22 +41,8 @@ static int amd_create_page_map(struct amd_page_map *page_map) if (page_map->real == NULL) return -ENOMEM; -#ifndef CONFIG_X86 - SetPageReserved(virt_to_page(page_map->real)); - global_cache_flush(); - page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real), - PAGE_SIZE); - if (page_map->remapped == NULL) { - ClearPageReserved(virt_to_page(page_map->real)); - free_page((unsigned long) page_map->real); - page_map->real = NULL; - return -ENOMEM; - } - global_cache_flush(); -#else set_memory_uc((unsigned long)page_map->real, 1); page_map->remapped = page_map->real; -#endif for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { writel(agp_bridge->scratch_page, page_map->remapped+i); @@ -68,12 +54,7 @@ static int amd_create_page_map(struct amd_page_map *page_map) static void amd_free_page_map(struct amd_page_map *page_map) { -#ifndef CONFIG_X86 - iounmap(page_map->remapped); - ClearPageReserved(virt_to_page(page_map->real)); -#else set_memory_wb((unsigned long)page_map->real, 1); -#endif free_page((unsigned long) page_map->real); } diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 857df10c0428..b0a0dccc98c1 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -774,20 +774,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name); /* - * If the device has not been properly setup, the following will catch - * the problem and should stop the system from crashing. - * 20030610 - hamish@zot.org - */ - if (pci_enable_device(pdev)) { - dev_err(&pdev->dev, "can't enable PCI device\n"); - agp_put_bridge(bridge); - return -ENODEV; - } - - /* * The following fixes the case where the BIOS has "forgotten" to * provide an address range for the GART. * 20030610 - hamish@zot.org + * This happens before pci_enable_device() intentionally; + * calling pci_enable_device() before assigning the resource + * will result in the GART being disabled on machines with such + * BIOSs (the GART ends up with a BAR starting at 0, which + * conflicts a lot of other devices). */ r = &pdev->resource[0]; if (!r->start && r->end) { @@ -798,6 +792,17 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, } } + /* + * If the device has not been properly setup, the following will catch + * the problem and should stop the system from crashing. + * 20030610 - hamish@zot.org + */ + if (pci_enable_device(pdev)) { + dev_err(&pdev->dev, "can't enable PCI device\n"); + agp_put_bridge(bridge); + return -ENODEV; + } + /* Fill in the mode register */ if (cap_ptr) { pci_read_config_dword(pdev, |