Found another one, we forget to drop the runtime PM reference we grab here in the event of a failure. So, do that.

Signed-off-by: Lyude Paul lyude@redhat.com Fixes: 3e1a12754d4d ("drm/nouveau: Fix deadlocks in nouveau_connector_detect()") Cc: stable@vger.kernel.org Cc: Ben Skeggs bskeggs@redhat.com Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: stable@vger.kernel.org # v4.19+ --- drivers/gpu/drm/nouveau/nouveau_connector.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 38e226b8cfd05..ab35153e31b72 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -1188,6 +1188,9 @@ nouveau_connector_hotplug(struct nvif_notify *notify) } else if (ret != 1 && ret != -EACCES) { NV_WARN(drm, "HPD on %s dropped due to RPM failure: %d\n", name, ret); + + pm_runtime_mark_last_busy(drm->dev->dev); + pm_runtime_put_autosuspend(drm->dev->dev); return NVIF_NOTIFY_DROP; }