161 		if (dev_priv->ring.virtual_start) {  in via_dma_cleanup()
164 			drm_legacy_ioremapfree(&dev_priv->ring.map, dev);  in via_dma_cleanup()
165 			dev_priv->ring.virtual_start = NULL;  in via_dma_cleanup()
182 	if (dev_priv->ring.virtual_start != NULL) {  in via_initialize()
197 	dev_priv->ring.map.offset = dev->agp->base + init->offset;  in via_initialize()
198 	dev_priv->ring.map.size = init->size;  in via_initialize()
199 	dev_priv->ring.map.type = 0;  in via_initialize()
200 	dev_priv->ring.map.flags = 0;  in via_initialize()
201 	dev_priv->ring.map.mtrr = 0;  in via_initialize()
203 	drm_legacy_ioremap(&dev_priv->ring.map, dev);  in via_initialize()
205 	if (dev_priv->ring.map.handle == NULL) {  in via_initialize()
212 	dev_priv->ring.virtual_start = dev_priv->ring.map.handle;  in via_initialize()
214 	dev_priv->dma_ptr = dev_priv->ring.virtual_start;  in via_initialize()
249 		retcode = (dev_priv->ring.virtual_start != NULL) ?  in via_dma_init()
268 	if (dev_priv->ring.virtual_start == NULL) {  in via_dispatch_cmdbuffer()
685 	if (dev_priv->ring.virtual_start == NULL) {  in via_cmdbuf_size()