Commit a10e9e1d authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: fix oopses caused by clear being called on unpopulated ttms 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 1a97b4ac

drivers/gpu/drm/nouveau/nouveau_sgdma.c

+3 −0
Original line number Diff line number Diff line
@@ -67,7 +67,10 @@ nouveau_sgdma_clear(struct ttm_backend *be) 
			pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],

				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);

		}

		nvbe->unmap_pages = false;

	}



	nvbe->pages = NULL;

}



static void