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authorChris Wilson <chris@chris-wilson.co.uk>2016-12-16 07:46:40 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-16 16:36:41 +0100
commitb44f97fd78ce252c543674c46c45e67a1b0c5d90 (patch)
tree3fc34c20feb09b4b02841928cd0d9e6609e1562d /drivers
parent45b186f111f1623b257d183920cd4aab16a1acd5 (diff)
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: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161216074718.32500-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 8983b30d0e64..d49a04eb584a 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2729,10 +2729,8 @@ static void i915_gtt_color_adjust(const struct drm_mm_node *node,
if (node->color != color)
*start += 4096;
- node = list_first_entry_or_null(&node->node_list,
- struct drm_mm_node,
- node_list);
- if (node && node->allocated && node->color != color)
+ node = list_next_entry(node, node_list);
+ if (node->allocated && node->color != color)
*end -= 4096;
}