Re: [PATCH 6/7] drm/i915: Reset engine->last_submitted_seqno

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Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:

> [ text/plain ]
> When we change the current seqno, we also need to remember to reset the
> last_submitted_seqno for the engine.
>
> Testcase: igt/gem_exec_whisper
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>

Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_ringbuffer.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index c7023d6ca0b7..be73c1b415e2 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -2574,6 +2574,7 @@ void intel_ring_init_seqno(struct intel_engine_cs *engine, u32 seqno)
>  	}
>  
>  	engine->set_seqno(engine, seqno);
> +	engine->last_submitted_seqno = seqno;
>  
>  	engine->hangcheck.seqno = seqno;
>  }
> -- 
> 2.8.0.rc3
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