Tvrtko Ursulin <tvrtko.ursu...@linux.intel.com> writes:

> From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
>
> DRM_DEBUG_WARN_ON should only be used when we are certain CI is guaranteed
> to exercise a certain code path, so in case of values coming from MMIO
> reads we cannot be sure CI will have all the possible SKUs and parts, or
> that it will catch all possible error conditions. Use drm_warn instead.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
> Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
> Cc: Jani Nikula <jani.nik...@intel.com>

Reviewed-by: Mika Kuoppala <mika.kuopp...@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/gt/intel_ring_submission.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c 
> b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
> index 5423bfd301ad..f8f279a195c0 100644
> --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
> +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
> @@ -117,7 +117,9 @@ static void flush_cs_tlb(struct intel_engine_cs *engine)
>               return;
>  
>       /* ring should be idle before issuing a sync flush*/
> -     GEM_DEBUG_WARN_ON((ENGINE_READ(engine, RING_MI_MODE) & MODE_IDLE) == 0);
> +     if ((ENGINE_READ(engine, RING_MI_MODE) & MODE_IDLE) == 0)
> +             drm_warn(&engine->i915->drm, "%s not idle before sync flush!\n",
> +                      engine->name);
>  
>       ENGINE_WRITE_FW(engine, RING_INSTPM,
>                       _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE |
> -- 
> 2.32.0

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