On la, 2017-01-21 at 17:29 +0000, Chris Wilson wrote:
> When execlists signals the context completion, it also provides the
> context id for the status event. Assert that id matches the one we expect.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
<SNIP>
> @@ -595,6 +595,10 @@ static void intel_lrc_irq_handler(unsigned long data)
> if (!(status & GEN8_CTX_STATUS_COMPLETED_MASK))
> continue;
>
> + /* Check the context id for this event matches */
> + GEM_BUG_ON(readl(buf + 2 * idx + 1) !=
> + port[0].request->ctx->hw_id);
> +
> GEM_BUG_ON(port[0].count == 0);
> if (--port[0].count == 0) {
> GEM_BUG_ON(status & GEN8_CTX_STATUS_PREEMPTED);
This is good for now, Mika has to update it for the SVM code, though.
(Counterpart at intel_lr_context_descriptor_update).
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Regards, Joonas
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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