drm/nv40: fall back to paged dma object for the moment

PCI(E)GART isn't quite stable it seems, fall back to old method until I get
the time to sort it out properly.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index f9efbbb..5ee14d2 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -397,7 +397,7 @@ nouveau_mem_vram_init(struct drm_device *dev)
                if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40)))
                        dma_bits = 40;
        } else
-       if (drm_pci_device_is_pcie(dev) &&
+       if (0 && drm_pci_device_is_pcie(dev) &&
            dev_priv->chipset  > 0x40 &&
            dev_priv->chipset != 0x45) {
                if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39)))

diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index c77111e..82fad91 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -458,7 +458,7 @@ nouveau_sgdma_init(struct drm_device *dev)
                dev_priv->gart_info.type = NOUVEAU_GART_HW;
                dev_priv->gart_info.func = &nv50_sgdma_backend;
        } else
-       if (drm_pci_device_is_pcie(dev) &&
+       if (0 && drm_pci_device_is_pcie(dev) &&
            dev_priv->chipset > 0x40 && dev_priv->chipset != 0x45) {
                if (nv44_graph_class(dev)) {
                        dev_priv->gart_info.func = &nv44_sgdma_backend;