X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fnouveau%2Fnouveau_ttm.c;h=bb030e6c00ed0e8df725599e27da35691480c911;hp=3f0fb55cb4733f9caac9d908fdc37ef9fd11ed7a;hb=850cc3692c4a18acfdb004371e4c1f933c4f057f;hpb=8c25ab8b5a04a7c559aa8fd4cabe5fc4463b8ada

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;