[PATCH xf86-video-intel 3/7] sna/kgem: Add kgem_bo_replace()

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Add a helper to do the unref old + ref new bo dance.

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 src/sna/kgem.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/sna/kgem.h b/src/sna/kgem.h
index 6a087a574a78..205a4eaefb75 100644
--- a/src/sna/kgem.h
+++ b/src/sna/kgem.h
@@ -411,6 +411,15 @@ static inline void kgem_bo_destroy(struct kgem *kgem, struct kgem_bo *bo)
 		_kgem_bo_destroy(kgem, bo);
 }
 
+static inline void kgem_bo_replace(struct kgem *kgem,
+				   struct kgem_bo **bo,
+				   struct kgem_bo *new_bo)
+{
+	if (*bo)
+		kgem_bo_destroy(kgem, *bo);
+	*bo = new_bo ? kgem_bo_reference(new_bo) : NULL;
+}
+
 void kgem_clear_dirty(struct kgem *kgem);
 
 static inline void kgem_set_mode(struct kgem *kgem,
-- 
2.45.3




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