From: Dave Airlie <[email protected]> This attempts to fixup the r600 GART accessors so they work on other arches.
Signed-off-by: Dave Airlie <[email protected]> --- drivers/gpu/drm/radeon/r600_cp.c | 23 +++++++++++++---------- 1 files changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index 0143a14..54ea867 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -142,23 +142,25 @@ int r600_page_table_init(struct drm_device *dev) { drm_radeon_private_t *dev_priv = dev->dev_private; struct drm_ati_pcigart_info *gart_info = &dev_priv->gart_info; + struct drm_local_map *map = &gart_info->mapping; struct drm_sg_mem *entry = dev->sg; int ret = 0; int i, j; - int max_pages, pages; - u64 *pci_gart, page_base; + int pages; + u64 page_base; dma_addr_t entry_addr; + int max_ati_pages, max_real_pages, gart_idx; /* okay page table is available - lets rock */ + max_ati_pages = (gart_info->table_size / sizeof(u64)); + max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); - /* PTEs are 64-bits */ - pci_gart = (u64 *)gart_info->addr; - - max_pages = (gart_info->table_size / sizeof(u64)); - pages = (entry->pages <= max_pages) ? entry->pages : max_pages; + pages = (entry->pages <= max_real_pages) ? + entry->pages : max_real_pages; - memset(pci_gart, 0, max_pages * sizeof(u64)); + memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u64)); + gart_idx = 0; for (i = 0; i < pages; i++) { entry->busaddr[i] = pci_map_single(dev->pdev, page_address(entry-> @@ -176,12 +178,13 @@ int r600_page_table_init(struct drm_device *dev) page_base |= R600_PTE_VALID | R600_PTE_SYSTEM | R600_PTE_SNOOPED; page_base |= R600_PTE_READABLE | R600_PTE_WRITEABLE; - *pci_gart = page_base; + DRM_WRITE64(map, gart_idx * sizeof(u64), page_base); + + gart_idx++; if ((i % 128) == 0) DRM_DEBUG("page entry %d: 0x%016llx\n", i, (unsigned long long)page_base); - pci_gart++; entry_addr += ATI_PCIGART_PAGE_SIZE; } } -- 1.6.0.4 ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H -- _______________________________________________ Dri-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/dri-devel
