drm/nouveau: allocate structure to store per-client data
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index a0e1734..9aa96b9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -764,6 +764,20 @@
vga_client_register(dev->pdev, NULL, NULL, NULL);
}
+int
+nouveau_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct nouveau_fpriv *fpriv;
+
+ fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
+ if (unlikely(!fpriv))
+ return -ENOMEM;
+
+ spin_lock_init(&fpriv->lock);
+ file_priv->driver_priv = fpriv;
+ return 0;
+}
+
/* here a client dies, release the stuff that was allocated for its
* file_priv */
void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
@@ -771,6 +785,13 @@
nouveau_channel_cleanup(dev, file_priv);
}
+void
+nouveau_postclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
+ kfree(fpriv);
+}
+
/* first module load, setup the mmio/fb mapping */
/* KMS: we need mmio at load time, not when the first drm client opens. */
int nouveau_firstopen(struct drm_device *dev)