[PATCH 1/3] drm/i915: export color_differs

[Matthew Auld <matthew.auld@intel.com>]

Export color_differs so that we can use it elsewhere.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c |  2 +-
 drivers/gpu/drm/i915/i915_vma.c     | 11 ++++-------
 drivers/gpu/drm/i915/i915_vma.h     |  6 ++++++
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 906dc6fff383..095f5e358a58 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2552,7 +2552,7 @@ static void i915_gtt_color_adjust(const struct drm_mm_node *node,
 				  u64 *start,
 				  u64 *end)
 {
-	if (node->allocated && node->color != color)
+	if (i915_node_color_differs(node, color))
 		*start += I915_GTT_PAGE_SIZE;
 
 	/* Also leave a space between the unallocated reserved node after the
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index e0e677b2a3a9..a90bd2678353 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -477,11 +477,6 @@ void __i915_vma_set_map_and_fenceable(struct i915_vma *vma)
 		vma->flags &= ~I915_VMA_CAN_FENCE;
 }
 
-static bool color_differs(struct drm_mm_node *node, unsigned long color)
-{
-	return node->allocated && node->color != color;
-}
-
 bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long cache_level)
 {
 	struct drm_mm_node *node = &vma->node;
@@ -502,11 +497,13 @@ bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long cache_level)
 	GEM_BUG_ON(list_empty(&node->node_list));
 
 	other = list_prev_entry(node, node_list);
-	if (color_differs(other, cache_level) && !drm_mm_hole_follows(other))
+	if (i915_node_color_differs(other, cache_level) &&
+	    !drm_mm_hole_follows(other))
 		return false;
 
 	other = list_next_entry(node, node_list);
-	if (color_differs(other, cache_level) && !drm_mm_hole_follows(node))
+	if (i915_node_color_differs(other, cache_level) &&
+	    !drm_mm_hole_follows(node))
 		return false;
 
 	return true;
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index 889fc7cb910a..5b1e0cf7669d 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -373,6 +373,12 @@ static inline bool i915_vma_is_bound(const struct i915_vma *vma,
 	return vma->flags & where;
 }
 
+static inline bool i915_node_color_differs(const struct drm_mm_node *node,
+					   unsigned long color)
+{
+	return node->allocated && node->color != color;
+}
+
 /**
  * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture
  * @vma: VMA to iomap
-- 
2.20.1

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