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

[Mikko Perttunen]

On 08/19/2017 01:42 PM, Dmitry Osipenko wrote:
> 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@xxxxxxxxxx>
> > ---
>
> 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'?

It's disabled by default. Jobs that are stopped by the filter are then 
handled by the usual timeout mechanism.

Mikko