diff options
Diffstat (limited to 'drivers/gpu/drm/ati_pcigart.c')
| -rw-r--r-- | drivers/gpu/drm/ati_pcigart.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/gpu/drm/ati_pcigart.c b/drivers/gpu/drm/ati_pcigart.c index c533d0c9ec6..2cd827a56ff 100644 --- a/drivers/gpu/drm/ati_pcigart.c +++ b/drivers/gpu/drm/ati_pcigart.c @@ -95,10 +95,11 @@ EXPORT_SYMBOL(drm_ati_pcigart_cleanup); int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info) { + struct drm_local_map *map = &gart_info->mapping; struct drm_sg_mem *entry = dev->sg; void *address = NULL; unsigned long pages; - u32 *pci_gart, page_base; + u32 *pci_gart, page_base, gart_idx; dma_addr_t bus_address = 0; int i, j, ret = 0; int max_pages; @@ -133,8 +134,14 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga pages = (entry->pages <= max_pages) ? entry->pages : max_pages; - memset(pci_gart, 0, max_pages * sizeof(u32)); + if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { + memset(pci_gart, 0, max_pages * sizeof(u32)); + } else { + for (gart_idx = 0; gart_idx < max_pages; gart_idx++) + DRM_WRITE32(map, gart_idx * sizeof(u32), 0); + } + gart_idx = 0; for (i = 0; i < pages; i++) { /* we need to support large memory configurations */ entry->busaddr[i] = pci_map_page(dev->pdev, entry->pagelist[i], @@ -149,19 +156,26 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga page_base = (u32) entry->busaddr[i]; for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { + u32 val; + switch(gart_info->gart_reg_if) { case DRM_ATI_GART_IGP: - *pci_gart = cpu_to_le32((page_base) | 0xc); + val = page_base | 0xc; break; case DRM_ATI_GART_PCIE: - *pci_gart = cpu_to_le32((page_base >> 8) | 0xc); + val = (page_base >> 8) | 0xc; break; default: case DRM_ATI_GART_PCI: - *pci_gart = cpu_to_le32(page_base); + val = page_base; break; } - pci_gart++; + if (gart_info->gart_table_location == + DRM_ATI_GART_MAIN) + pci_gart[gart_idx] = cpu_to_le32(val); + else + DRM_WRITE32(map, gart_idx * sizeof(u32), val); + gart_idx++; page_base += ATI_PCIGART_PAGE_SIZE; } } |