bits = nvxx_mmu(&drm->device)->dma_bits;
if (nvxx_device(&drm->device)->func->pci) {
- if (drm->agp.bridge ||
- !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits)))
+ if (drm->agp.bridge)
bits = 32;
ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
+ if (ret && bits != 32) {
+ bits = 32;
+ ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits));
+ }
if (ret)
return ret;