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SubjectRe: [PATCH 2/4] gpu: host1x: Enable gather filter
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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@nvidia.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'?
>

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

Mikko

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