[Intel-xe] [PATCH v5 10/10] drm/xe/tlb: print seqno_recv on fence TLB timeout

[Matthew Brost]

On Thu, Jul 06, 2023 at 05:20:14PM +0100, Matthew Auld wrote:
> To help debugging, sample the current seqno_recv and dump it out if we
> encounter a TLB timeout for the fences path.
> 
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> Cc: Matthew Brost <matthew.brost at intel.com>

Reviewed-by: Matthew Brost <matthew.brost at intel.com>

> Cc: José Roberto de Souza <jose.souza at intel.com>
> ---
>  drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
> index 94fa24f360f5..94040a4defb3 100644
> --- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
> +++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
> @@ -35,8 +35,8 @@ static void xe_gt_tlb_fence_timeout(struct work_struct *work)
>  			break;
>  
>  		trace_xe_gt_tlb_invalidation_fence_timeout(fence);
> -		drm_err(&gt_to_xe(gt)->drm, "gt%d: TLB invalidation fence timeout, seqno=%d",
> -			gt->info.id, fence->seqno);
> +		drm_err(&gt_to_xe(gt)->drm, "gt%d: TLB invalidation fence timeout, seqno=%d recv=%d",
> +			gt->info.id, fence->seqno, gt->tlb_invalidation.seqno_recv);
>  
>  		list_del(&fence->link);
>  		fence->base.error = -ETIME;
> -- 
> 2.41.0
>