diff --git a/sys/dev/drm2/i915/i915_dma.c b/sys/dev/drm2/i915/i915_dma.c
index 0676439..05371e3 100644
--- a/sys/dev/drm2/i915/i915_dma.c
+++ b/sys/dev/drm2/i915/i915_dma.c
@@ -1229,8 +1229,10 @@ i915_driver_load(struct drm_device *dev, unsigned long flags)
 	base = drm_get_resource_start(dev, mmio_bar);
 	size = drm_get_resource_len(dev, mmio_bar);
 
+	DRM_INFO("drm_addmap(%lu, %lu, ...);\n", base, size);
 	ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
 	    _DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map);
+	DRM_INFO("-> ret=%d, mmio_map=%p\n", ret, dev_priv->mmio_map);
 
 	dev_priv->tq = taskqueue_create("915", M_WAITOK,
 	    taskqueue_thread_enqueue, &dev_priv->tq);
diff --git a/sys/dev/drm2/i915/intel_iic.c b/sys/dev/drm2/i915/intel_iic.c
index 858efaa..f3ddba1 100644
--- a/sys/dev/drm2/i915/intel_iic.c
+++ b/sys/dev/drm2/i915/intel_iic.c
@@ -128,6 +128,7 @@ intel_iic_reset(struct drm_device *dev)
 	struct drm_i915_private *dev_priv;
 
 	dev_priv = dev->dev_private;
+	DRM_INFO("intel_iic_reset: mmio_map=%p\n", dev_priv->mmio_map);
 	if (HAS_PCH_SPLIT(dev))
 		I915_WRITE(PCH_GMBUS0, 0);
 	else