drm/via: Disable AGP DMA for chips with the new 3D engine.

mariux64 · Feb 8, 2007 · 756db73 · 756db73
1 parent 1d58420
commit 756db73
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/drivers/char/drm/via_dma.c b/drivers/char/drm/via_dma.c
@@ -190,6 +190,11 @@ 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;