From: Chris Wilson Date: Fri, 16 Dec 2016 07:46:40 +0000 (+0000) Subject: drm/i915: Simplify i915_gtt_color_adjust() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b44f97fd78ce252c543674c46c45e67a1b0c5d90;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Reviewed-by: Joonas Lahtinen Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20161216074718.32500-3-chris@chris-wilson.co.uk --- 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; }