Commit b44f97fd authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter

drm/i915: Simplify i915_gtt_color_adjust()

If we remember that node_list is a circular list containing the fake
head_node, we can use a simple list_next_entry() and skip the NULL check
for the allocated check against the head_node.
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161216074718.32500-3-chris@chris-wilson.co.uk
parent 45b186f1
...@@ -2729,10 +2729,8 @@ static void i915_gtt_color_adjust(const struct drm_mm_node *node, ...@@ -2729,10 +2729,8 @@ static void i915_gtt_color_adjust(const struct drm_mm_node *node,
if (node->color != color) if (node->color != color)
*start += 4096; *start += 4096;
node = list_first_entry_or_null(&node->node_list, node = list_next_entry(node, node_list);
struct drm_mm_node, if (node->allocated && node->color != color)
node_list);
if (node && node->allocated && node->color != color)
*end -= 4096; *end -= 4096;
} }
......
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