drm/nv04-nv40/instmem: remove parent deref hack

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
index f5bbd38..932c93b 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.c
@@ -93,7 +93,6 @@ nv04_instmem_alloc(struct nouveau_instmem *imem, struct nouveau_object *parent,
                   u32 size, u32 align, struct nouveau_object **pobject)
 {
        struct nouveau_object *engine = nv_object(imem);
-       struct nv04_instmem_priv *priv = (void *)(imem);
        int ret;
 
        ret = nouveau_object_ctor(parent, engine, &nv04_instobj_oclass,
@@ -101,14 +100,6 @@ nv04_instmem_alloc(struct nouveau_instmem *imem, struct nouveau_object *parent,
        if (ret)
                return ret;
 
-       /* INSTMEM itself creates objects to reserve (and preserve across
-        * suspend/resume) various fixed data locations, each one of these
-        * takes a reference on INSTMEM itself, causing it to never be
-        * freed.  We drop all the self-references here to avoid this.
-        */
-       if (unlikely(!priv->created))
-               atomic_dec(&engine->refcount);
-
        return 0;
 }
 
@@ -154,7 +145,6 @@ nv04_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
        if (ret)
                return ret;
 
-       priv->created = true;
        return 0;
 }
 

diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h
index 7983d8d..b15b613 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv04.h
@@ -9,7 +9,6 @@
 
 struct nv04_instmem_priv {
        struct nouveau_instmem base;
-       bool created;
 
        void __iomem *iomem;
        struct nouveau_mm heap;

diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
index da64253..5aef797 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
@@ -106,7 +106,6 @@ nv40_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
        if (ret)
                return ret;
 
-       priv->created = true;
        return 0;
 }