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References: <20190418084305.45021-1-tomeu.vizoso@collabora.com>
In-Reply-To: <20190418084305.45021-1-tomeu.vizoso@collabora.com>
From:   Rob Herring <robh@kernel.org>
Date:   Thu, 18 Apr 2019 09:33:02 -0500
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Subject: Re: [PATCH] drm/panfrost: Prevent concurrent resets
To:     Tomeu Vizoso <tomeu.vizoso@collabora.com>
Cc:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel <dri-devel@lists.freedesktop.org>
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On Thu, Apr 18, 2019 at 3:43 AM Tomeu Vizoso <tomeu.vizoso@collabora.com> wrote:
>
> If a job times out in slot 0 while a reset is performed because a job
> timed out in slot 1, the drm-sched core can get into a deadlock.
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
> ---
>  drivers/gpu/drm/panfrost/panfrost_device.c | 1 +
>  drivers/gpu/drm/panfrost/panfrost_device.h | 1 +
>  drivers/gpu/drm/panfrost/panfrost_job.c    | 4 ++++
>  3 files changed, 6 insertions(+)

Applied, thanks.