Commit 925d05e1 authored by Eric Anholt's avatar Eric Anholt

drm/vc4: Fix refcounting of runtime PM get if it errors out.

We were returning without decrementing if the error happened, meaning
that at the next submit we wouldn't try to bring up the power domain.
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Link: http://patchwork.freedesktop.org/patch/msgid/20170417162603.12726-1-eric@anholt.netReviewed-by: default avatarSean Paul <seanpaul@chromium.org>
parent 4f6e3d66
......@@ -1010,13 +1010,16 @@ vc4_submit_cl_ioctl(struct drm_device *dev, void *data,
}
mutex_lock(&vc4->power_lock);
if (vc4->power_refcount++ == 0)
if (vc4->power_refcount++ == 0) {
ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev);
mutex_unlock(&vc4->power_lock);
if (ret < 0) {
mutex_unlock(&vc4->power_lock);
vc4->power_refcount--;
kfree(exec);
return ret;
}
}
mutex_unlock(&vc4->power_lock);
exec->args = args;
INIT_LIST_HEAD(&exec->unref_list);
......
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