Commit 9e38b13e authored by Ben Skeggs's avatar Ben Skeggs

drm/nouveau/device/pci: fix oops if no mmu subdev present

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 3ca03cac
...@@ -1687,7 +1687,7 @@ nvkm_device_pci_new(struct pci_dev *pci_dev, const char *cfg, const char *dbg, ...@@ -1687,7 +1687,7 @@ nvkm_device_pci_new(struct pci_dev *pci_dev, const char *cfg, const char *dbg,
* This is necessary for platforms where the default DMA mask of 32 * This is necessary for platforms where the default DMA mask of 32
* does not cover any system memory, i.e., when all RAM is > 4 GB. * does not cover any system memory, i.e., when all RAM is > 4 GB.
*/ */
if (subdev_mask & BIT(NVKM_SUBDEV_MMU)) if (pdev->device.mmu)
dma_set_mask_and_coherent(&pci_dev->dev, dma_set_mask_and_coherent(&pci_dev->dev,
DMA_BIT_MASK(pdev->device.mmu->dma_bits)); DMA_BIT_MASK(pdev->device.mmu->dma_bits));
......
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