--- zzzz-none-000/linux-2.6.39.4/drivers/gpu/drm/radeon/radeon_device.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/drivers/gpu/drm/radeon/radeon_device.c	2021-11-10 13:38:14.000000000 +0000
@@ -752,7 +752,6 @@
 	dma_bits = rdev->need_dma32 ? 32 : 40;
 	r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(dma_bits));
 	if (r) {
-		rdev->need_dma32 = true;
 		printk(KERN_WARNING "radeon: No suitable DMA available.\n");
 	}