drm/via: Disable AGP DMA for chips with the new 3D engine.
diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c
index 2f72cbe..c0539c6 100644
--- a/drivers/char/drm/via_dma.c
+++ b/drivers/char/drm/via_dma.c
@@ -190,6 +190,11 @@
return DRM_ERR(EFAULT);
}
+ if (dev_priv->chipset == VIA_DX9_0) {
+ DRM_ERROR("AGP DMA is not supported on this chip\n");
+ return DRM_ERR(EINVAL);
+ }
+
dev_priv->ring.map.offset = dev->agp->base + init->offset;
dev_priv->ring.map.size = init->size;
dev_priv->ring.map.type = 0;