[PATCH 2/2] drm/i915: use drm_mm_remove_node instead of put_block

[Daniel Vetter]

When converting to the preallocated drm_mm_node interfaces in

commit dc9dd7a20fde95aa81a8307cde79c2dff9f83f3d
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Dec 7 20:37:07 2012 +0000

    drm/i915: Preallocate the drm_mm_node prior to manipulating the GTT drm_mm

only the allocation side was converted, but not the freeing. Fix this
up.

Note that the only difference between put_block and remove_node is
that the former fills up the preallocation cache. Which we don't need
anyway and hence is just wasted space.

Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Ben Widawsky <ben at bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_gem.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 4200c32..30fd694 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2620,7 +2620,7 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj)
 	/* Avoid an unnecessary call to unbind on rebind. */
 	obj->map_and_fenceable = true;
 
-	drm_mm_put_block(obj->gtt_space);
+	drm_mm_remove_node(obj->gtt_space);
 	obj->gtt_space = NULL;
 	obj->gtt_offset = 0;
 
@@ -3137,14 +3137,14 @@ search_free:
 	}
 	if (WARN_ON(!i915_gem_valid_gtt_space(dev, node, obj->cache_level))) {
 		i915_gem_object_unpin_pages(obj);
-		drm_mm_put_block(node);
+		drm_mm_remove_node(node);
 		return -EINVAL;
 	}
 
 	ret = i915_gem_gtt_prepare_object(obj);
 	if (ret) {
 		i915_gem_object_unpin_pages(obj);
-		drm_mm_put_block(node);
+		drm_mm_remove_node(node);
 		return ret;
 	}
 
-- 
1.7.11.7