On Fri, Aug 26, 2016 at 08:46:25PM +0100, Dave Gordon wrote:
> @@ -1520,6 +1528,14 @@ static void eb_export_fence(struct drm_i915_gem_object
> *obj,
> if (ret)
> return ret;
>
> + if (instp_mode != I915_EXEC_CONSTANTS_REL_GENERAL) {
> + /* Restore default value of INSTPM */
> + ret = emit_instpm(params->request, instp_mask,
> + I915_EXEC_CONSTANTS_REL_GENERAL);
> + if (ret)
> + return ret;
We can't return an error at this point, we are committed to executing
the batch. And we do expect to see at least an EINTR here occasionally.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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