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Commit fe32b16e authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nv50-nvc0/vm: take client reference on shared channel vm 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent b79181cb

drivers/gpu/drm/nouveau/nouveau_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@ 
struct nouveau_fpriv {

	spinlock_t lock;

	struct list_head channels;

	struct nouveau_vm *vm;

};



static inline struct nouveau_fpriv *

drivers/gpu/drm/nouveau/nouveau_state.c

+5 −0
Original line number Diff line number Diff line
@@ -767,6 +767,7 @@ static void nouveau_card_takedown(struct drm_device *dev) 
int

nouveau_open(struct drm_device *dev, struct drm_file *file_priv)

{

	struct drm_nouveau_private *dev_priv = dev->dev_private;

	struct nouveau_fpriv *fpriv;



	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
@@ -776,6 +777,9 @@ nouveau_open(struct drm_device *dev, struct drm_file *file_priv) 
	spin_lock_init(&fpriv->lock);

	INIT_LIST_HEAD(&fpriv->channels);



	if (dev_priv->card_type >= NV_50)

		nouveau_vm_ref(dev_priv->chan_vm, &fpriv->vm, NULL);



	file_priv->driver_priv = fpriv;

	return 0;

}
@@ -791,6 +795,7 @@ void 
nouveau_postclose(struct drm_device *dev, struct drm_file *file_priv)

{

	struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);

	nouveau_vm_ref(NULL, &fpriv->vm, NULL);

	kfree(fpriv);

}