[PATCH 2/2] drm/etnaviv: remove unused function etnaviv_gem_mapping_reference

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Hasn't been used for quite a while. There is no point in keeping
unused code around.

Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/etnaviv/etnaviv_gem.c | 12 ------------
 drivers/gpu/drm/etnaviv/etnaviv_gem.h |  1 -
 2 files changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index 727bb3f5ceb2..e199a6833ff0 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -235,18 +235,6 @@ etnaviv_gem_get_vram_mapping(struct etnaviv_gem_object *obj,
 	return NULL;
 }
 
-void etnaviv_gem_mapping_reference(struct etnaviv_vram_mapping *mapping)
-{
-	struct etnaviv_gem_object *etnaviv_obj = mapping->object;
-
-	drm_gem_object_get(&etnaviv_obj->base);
-
-	mutex_lock(&etnaviv_obj->lock);
-	WARN_ON(mapping->use == 0);
-	mapping->use += 1;
-	mutex_unlock(&etnaviv_obj->lock);
-}
-
 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping)
 {
 	struct etnaviv_gem_object *etnaviv_obj = mapping->object;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
index 753c458497d0..d7d8a835f379 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h
@@ -120,7 +120,6 @@ void etnaviv_gem_put_pages(struct etnaviv_gem_object *obj);
 
 struct etnaviv_vram_mapping *etnaviv_gem_mapping_get(
 	struct drm_gem_object *obj, struct etnaviv_gpu *gpu);
-void etnaviv_gem_mapping_reference(struct etnaviv_vram_mapping *mapping);
 void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping);
 
 #endif /* __ETNAVIV_GEM_H__ */
-- 
2.20.1

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