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From: Matthew Auld <>
To: Andi Shyti <>
Cc:,,, Chris Wilson <>,
	Matthew Auld <>,
	Chris Wilson <>
Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt: Make sure that errors are propagated through request chains
Date: Fri, 24 Feb 2023 11:24:29 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Fri, 10 Feb 2023 at 14:06, Andi Shyti <> wrote:
> Currently, for operations like memory clear or copy for big
> chunks of memory, we generate multiple requests executed in a
> chain.
> But if one of the requests generated fails we would not know it
> to unless it happens to the last request, because errors are not
> properly propagated.
> For this we need to keep propagating the chain of fence
> notification in order to always reach the final fence associated
> to the final request.
> This way we would know that the memory operation has failed and
> whether the memory is still invalid.
> On copy and clear migration signal fences upon completion.
> Fixes: cf586021642d80 ("drm/i915/gt: Pipelined page migration")
> Reported-by: Matthew Auld <>
> Suggested-by: Chris Wilson <>
> Signed-off-by: Andi Shyti <>
> Cc:
Reviewed-by: Matthew Auld <>

      reply	other threads:[~2023-02-24 11:25 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-10 14:06 [PATCH] drm/i915/gt: Make sure that errors are propagated through request chains Andi Shyti
2023-02-24 11:24 ` Matthew Auld [this message]

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