diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index 9dc447632c90910e7076ea64ba9ea53293ed5f47..e59511d74934fcfe579944b1fb212aef047157e6 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -525,8 +525,8 @@ struct drm_psb_private {
 	 * Register base
 	 */
 
-	uint8_t *sgx_reg;
-	uint8_t *vdc_reg;
+	uint8_t __iomem *sgx_reg;
+	uint8_t __iomem *vdc_reg;
 	uint32_t gatt_free_offset;
 
 	/*