drm/nouveau: require explicit unmap of kmapped bos

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

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 0480f064f2c1..3144ddea593e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -310,6 +310,7 @@ nouveau_channel_free(struct nouveau_channel *chan)
         /* Release the channel's resources */
         nouveau_gpuobj_ref_del(dev, &chan->pushbuf);
         if (chan->pushbuf_bo) {
+                nouveau_bo_unmap(chan->pushbuf_bo);
                 nouveau_bo_unpin(chan->pushbuf_bo);
                 nouveau_bo_ref(NULL, &chan->pushbuf_bo);
         }