On Tue, Jul 12, 2016 at 10:20:43AM +0100, Tvrtko Ursulin wrote:
> On 11/07/16 19:01, Dave Gordon wrote:
> >@@ -553,8 +551,8 @@ static int guc_ring_doorbell(struct i915_guc_client *gc)
> > if (db_ret.db_status == GUC_DOORBELL_DISABLED)
> > break;
> >
> >- DRM_ERROR("Cookie mismatch. Expected %d, returned %d\n",
> >- db_cmp.cookie, db_ret.cookie);
> >+ DRM_WARN("Cookie mismatch. Expected %d, found %d\n",
> >+ db_cmp.cookie, db_ret.cookie);
>
> This one is interesting, error is propagated out a bit but then
> ignored in actual command submission.
>
> If the above message means command will not be submitted error is
> probably more appropriate. Or perhaps we cannot tell if the command
> was submitted or not in this case?
It's insignificant. An actual error would result in a GPU hang, and
without being recorded in the error state any message here is useless.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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