Re: [PATCH 2/3] drm/i915: Per-engine scratch VMA is mandatory

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Quoting Tvrtko Ursulin (2018-01-19 10:00:04)
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> We fail engine initialization if the scratch VMA cannot be created so
> there is no point in error handle it later. If the initialization ordering
> gets messed up, we can explode during development just as well.
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_lrc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 334d44d415ab..74d7989389e1 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -1416,7 +1416,7 @@ static int intel_init_workaround_bb(struct intel_engine_cs *engine)
>         unsigned int i;
>         int ret;
>  
> -       if (GEM_WARN_ON(engine->id != RCS || !engine->scratch))
> +       if (GEM_WARN_ON(engine->id != RCS))
>                 return -EINVAL;

I was going to say the same thing on the previous patch! Well I guess
that earns both an
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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