1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 14054c051e40..f19ffe87af3c 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -41,6 +41,8 @@
 #include <linux/vga_switcheroo.h>
 #include <linux/slab.h>
 
+extern int intel_max_stolen; /* from AGP driver */
+
 /**
  * Sets up the hardware status page for devices that need a physical address
  * in the register.
@@ -2106,6 +2108,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
         if (ret)
                 goto out_iomapfree;
 
+        if (prealloc_size > intel_max_stolen) {
+                DRM_INFO("detected %dM stolen memory, trimming to %dM\n",
+                         prealloc_size >> 20, intel_max_stolen >> 20);
+                prealloc_size = intel_max_stolen;
+        }
+
         dev_priv->wq = create_singlethread_workqueue("i915");
         if (dev_priv->wq == NULL) {
                 DRM_ERROR("Failed to create our workqueue.\n");