diff options
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_ttm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 3f0fb55cb473..bb030e6c00ed 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -350,11 +350,14 @@ nouveau_ttm_init(struct nouveau_drm *drm) 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; |