linux-kernel - Re: [PATCH 2/4] gpu: host1x: Enable gather filter

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Message-ID: <ae084d08-89d0-ced0-c040-78500aa8e5d5@gmail.com>
Date:   Sat, 19 Aug 2017 13:42:40 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Mikko Perttunen <mperttunen@...dia.com>, thierry.reding@...il.com,
        jonathanh@...dia.com
Cc:     dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] gpu: host1x: Enable gather filter

On 18.08.2017 19:15, Mikko Perttunen wrote:
> The gather filter is a feature present on Tegra124 and newer where the
> hardware prevents GATHERed command buffers from executing commands
> normally reserved for the CDMA pushbuffer which is maintained by the
> kernel driver.
> 
> This commit enables the gather filter on all supporting hardware.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---

TRM says that "Invalid Gbuffer cmd" interrupt would be raised when filtering
happens. Is that interrupt disabled by default or it would cause 'unhandled
interrupt'?

-- 
Dmitry