diff options
Diffstat (limited to 'drivers/gpu/drm/ati_pcigart.c')
| -rw-r--r-- | drivers/gpu/drm/ati_pcigart.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/ati_pcigart.c b/drivers/gpu/drm/ati_pcigart.c index 7972ec8762c7..4d86a629a517 100644 --- a/drivers/gpu/drm/ati_pcigart.c +++ b/drivers/gpu/drm/ati_pcigart.c @@ -102,7 +102,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga u32 *pci_gart, page_base, gart_idx; dma_addr_t bus_address = 0; int i, j, ret = 0; - int max_pages; + int max_ati_pages, max_real_pages; if (!entry) { DRM_ERROR("no scatter/gather memory!\n"); @@ -130,14 +130,15 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga pci_gart = (u32 *) address; - max_pages = (gart_info->table_size / sizeof(u32)); - pages = (entry->pages <= max_pages) - ? entry->pages : max_pages; + max_ati_pages = (gart_info->table_size / sizeof(u32)); + max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); + pages = (entry->pages <= max_real_pages) + ? entry->pages : max_real_pages; if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { - memset(pci_gart, 0, max_pages * sizeof(u32)); + memset(pci_gart, 0, max_ati_pages * sizeof(u32)); } else { - for (gart_idx = 0; gart_idx < max_pages; gart_idx++) + for (gart_idx = 0; gart_idx < max_ati_pages; gart_idx++) DRM_WRITE32(map, gart_idx * sizeof(u32), 0); } |