diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 2882f40..aad0c6f 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -1546,7 +1546,7 @@
 	} while (i < nbox);
 }
 
-static void radeon_cp_discard_buffer(struct drm_device *dev, struct drm_master *master, struct drm_buf *buf)
+void radeon_cp_discard_buffer(struct drm_device *dev, struct drm_master *master, struct drm_buf *buf)
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
 	struct drm_radeon_master_private *master_priv = master->driver_priv;
@@ -2213,7 +2213,10 @@
 	if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS)
 		sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS;
 
-	radeon_cp_dispatch_swap(dev, file_priv->master);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+		r600_cp_dispatch_swap(dev, file_priv);
+	else
+		radeon_cp_dispatch_swap(dev, file_priv->master);
 	sarea_priv->ctx_owner = 0;
 
 	COMMIT_RING();
@@ -2412,7 +2415,10 @@
 	RING_SPACE_TEST_WITH_RETURN(dev_priv);
 	VB_AGE_TEST_WITH_RETURN(dev_priv);
 
-	ret = radeon_cp_dispatch_texture(dev, file_priv, tex, &image);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
+		ret = r600_cp_dispatch_texture(dev, file_priv, tex, &image);
+	else
+		ret = radeon_cp_dispatch_texture(dev, file_priv, tex, &image);
 
 	return ret;
 }
@@ -2495,8 +2501,9 @@
 		radeon_cp_dispatch_indirect(dev, buf, indirect->start, indirect->end);
 	}
 
-	if (indirect->discard)
+	if (indirect->discard) {
 		radeon_cp_discard_buffer(dev, file_priv->master, buf);
+	}
 
 	COMMIT_RING();
 	return 0;
@@ -3227,7 +3234,8 @@
 	DRM_IOCTL_DEF(DRM_RADEON_IRQ_WAIT, radeon_irq_wait, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, radeon_cp_setparam, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free, DRM_AUTH)
+	DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_CS, r600_cs_legacy_ioctl, DRM_AUTH)
 };
 
 int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls);