Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c
index ba87ff17ff6..52c67324df5 100644
--- a/drivers/char/drm/i915_mem.c
+++ b/drivers/char/drm/i915_mem.c
@@ -365,3 +365,34 @@ int i915_mem_init_heap(DRM_IOCTL_ARGS)
 
 	return init_heap(heap, initheap.start, initheap.size);
 }
+
+int i915_mem_destroy_heap( DRM_IOCTL_ARGS )
+{
+	DRM_DEVICE;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	drm_i915_mem_destroy_heap_t destroyheap;
+	struct mem_block **heap;
+
+	if ( !dev_priv ) {
+		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
+		return DRM_ERR(EINVAL);
+	}
+
+	DRM_COPY_FROM_USER_IOCTL( destroyheap, (drm_i915_mem_destroy_heap_t *)data,
+				  sizeof(destroyheap) );
+
+	heap = get_heap( dev_priv, destroyheap.region );
+	if (!heap) {
+		DRM_ERROR("get_heap failed");
+		return DRM_ERR(EFAULT);
+	}
+	
+	if (!*heap) {
+		DRM_ERROR("heap not initialized?");
+		return DRM_ERR(EFAULT);
+	}
+
+	i915_mem_takedown( heap );
+	return 0;
+}
+