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-rw-r--r--shared-core/via_dma.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/shared-core/via_dma.c b/shared-core/via_dma.c
index 90dbb6a2..a08d7d5a 100644
--- a/shared-core/via_dma.c
+++ b/shared-core/via_dma.c
@@ -192,6 +192,11 @@ static int via_initialize(drm_device_t * dev,
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;