diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 39f5c65..8ed1ea4 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4173,6 +4173,14 @@ i915_gem_load(struct drm_device *dev)
 	else
 		dev_priv->num_fence_regs = 8;
 
+	if (IS_I945GM(dev)) {
+	  uint32_t fence_reg;
+	  for (fence_reg = 0; fence_reg < 8; fence_reg++)
+	    I915_WRITE(FENCE_REG_830_0 + fence_reg * 4, 0);
+	  for (fence_reg = 8; fence_reg < 16; fence_reg++)
+	    I915_WRITE(FENCE_REG_945_8 + (fence_reg - 8) * 4, 0);
+	}
+
 	i915_gem_detect_bit_6_swizzle(dev);
 }