drm/nouveau: remove double WFI when destroying channels

This is particularly irritating when the channel has hung.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index 2278b9243efe7eb2774e9846a73132acdbec9405..5bee655e7e63efb76de836ff19b0f80724b897c9 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -126,9 +126,8 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
 {
        struct nouveau_abi16_ntfy *ntfy, *temp;
 
-       /* wait for all activity to stop before releasing notify object, which
-        * may be still in use */
-       if (chan->chan && chan->ntfy)
+       /* wait for all activity to stop before cleaning up */
+       if (chan->chan)
                nouveau_channel_idle(chan->chan);
 
        /* cleanup notifier state */
@@ -148,7 +147,6 @@ nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
        /* destroy channel object, all children will be killed too */
        if (chan->chan) {
                nvif_object_dtor(&chan->ce);
-               nouveau_channel_idle(chan->chan);
                nouveau_channel_del(&chan->chan);
        }