Chris Wilson writes:
> Print out the current request/context before doing the GEM_BUG_ON, so
> that we can inspect the values in the ftrace.
>
> Signed-off-by: Chris Wilson
> Cc: Mika Kuoppala
Reviewed-by: Mika Kuoppala
> ---
> drivers/gpu/drm/i915/intel_lrc.c | 7 ---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c
> b/drivers/gpu/drm/i915/intel_lrc.c
> index 9b6d781b22ec..2ad55c1ffd54 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -872,14 +872,15 @@ static void execlists_submission_tasklet(unsigned long
> data)
> GEM_BUG_ON(!execlists_is_active(execlists,
> EXECLISTS_ACTIVE_USER));
>
> - /* Check the context/desc id for this event matches */
> - GEM_DEBUG_BUG_ON(buf[2 * head + 1] != port->context_id);
> -
> rq = port_unpack(port, &count);
> GEM_TRACE("%s out[0]: ctx=%d.%d, seqno=%x\n",
> engine->name,
> port->context_id, count,
> rq ? rq->global_seqno : 0);
> +
> + /* Check the context/desc id for this event matches */
> + GEM_DEBUG_BUG_ON(buf[2 * head + 1] != port->context_id);
> +
> GEM_BUG_ON(count == 0);
> if (--count == 0) {
> GEM_BUG_ON(status & GEN8_CTX_STATUS_PREEMPTED);
> --
> 2.16.1
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