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-rw-r--r--drivers/gpu/drm/ati_pcigart.c2
-rw-r--r--drivers/gpu/drm/radeon/r600_cp.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c3
3 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ati_pcigart.c b/drivers/gpu/drm/ati_pcigart.c
index 17be051..1c36492 100644
--- a/drivers/gpu/drm/ati_pcigart.c
+++ b/drivers/gpu/drm/ati_pcigart.c
@@ -152,7 +152,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
/* we need to support large memory configurations */
entry->busaddr[i] = pci_map_page(dev->pdev, entry->pagelist[i],
0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (entry->busaddr[i] == 0) {
+ if (pci_dma_mapping_error(dev->pdev, entry->busaddr[i])) {
DRM_ERROR("unable to map PCIGART pages!\n");
drm_ati_pcigart_cleanup(dev, gart_info);
address = NULL;
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index 68e6f43..4f4cd8b 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -200,7 +200,7 @@ int r600_page_table_init(struct drm_device *dev)
entry->pagelist[i], 0,
PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
- if (entry->busaddr[i] == 0) {
+ if (pci_dma_mapping_error(dev->pdev, entry->busaddr[i])) {
DRM_ERROR("unable to map PCIGART pages!\n");
r600_page_table_cleanup(dev, gart_info);
goto done;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index a64811a..4f7a170 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -347,7 +347,8 @@ int radeon_dummy_page_init(struct radeon_device *rdev)
return -ENOMEM;
rdev->dummy_page.addr = pci_map_page(rdev->pdev, rdev->dummy_page.page,
0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (!rdev->dummy_page.addr) {
+ if (pci_dma_mapping_error(rdev->pdev, rdev->dummy_page.addr)) {
+ dev_err(&rdev->pdev->dev, "Failed to DMA MAP the dummy page\n");
__free_page(rdev->dummy_page.page);
rdev->dummy_page.page = NULL;
return -ENOMEM;