diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index d58b4e287e32..0601bde058d5 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -91,7 +91,7 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
 		 * reservation starting from 1 instead of 0.
 		 */
 		r = devm_request_mem_region(dev->dev, base + 1,
-					    dev_priv->gtt.stolen_size - 1,
+					    dev_priv->gtt.stolen_size - 2,
 					    "Graphics Stolen Memory");
 		if (r == NULL) {
 			DRM_ERROR("conflict detected with stolen region: [0x%08x - 0x%08x]\n",