diff options
| author | Dave Airlie <airlied@redhat.com> | 2009-02-26 10:13:47 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2009-03-13 14:24:14 +1000 |
| commit | 6abf66018f7fe231720e50f9a47b142182388869 (patch) | |
| tree | 73c7c9b4bca66d1f773461a73eda844a68e15d70 /drivers/gpu/drm/ati_pcigart.c | |
| parent | 87f0da55353e23826a54bff57c457a13b97d18f1 (diff) | |
| download | linux-6abf66018f7fe231720e50f9a47b142182388869.tar.gz | |
drm/ati_pcigart: use memset_io to reset the memory
Also don't setup pci_gart if we aren't going to need it. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/ati_pcigart.c')
| -rw-r--r-- | drivers/gpu/drm/ati_pcigart.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpu/drm/ati_pcigart.c b/drivers/gpu/drm/ati_pcigart.c index 4d86a629a517..628eae3e9b83 100644 --- a/drivers/gpu/drm/ati_pcigart.c +++ b/drivers/gpu/drm/ati_pcigart.c @@ -99,7 +99,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga struct drm_sg_mem *entry = dev->sg; void *address = NULL; unsigned long pages; - u32 *pci_gart, page_base, gart_idx; + u32 *pci_gart = NULL, page_base, gart_idx; dma_addr_t bus_address = 0; int i, j, ret = 0; int max_ati_pages, max_real_pages; @@ -118,6 +118,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga goto done; } + pci_gart = gart_info->table_handle->vaddr; address = gart_info->table_handle->vaddr; bus_address = gart_info->table_handle->busaddr; } else { @@ -128,7 +129,6 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga (unsigned long)address); } - pci_gart = (u32 *) address; max_ati_pages = (gart_info->table_size / sizeof(u32)); max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); @@ -138,8 +138,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { memset(pci_gart, 0, max_ati_pages * sizeof(u32)); } else { - for (gart_idx = 0; gart_idx < max_ati_pages; gart_idx++) - DRM_WRITE32(map, gart_idx * sizeof(u32), 0); + memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u32)); } gart_idx = 0; |