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SubjectRe: [PATCH 00/28] Venus updates
Date
Hi Hans,

On 7.05.2018 13:41, Hans Verkuil wrote:
> On 24/04/18 14:44, Stanimir Varbanov wrote:
>> Hello,
>>
>> This patch set aims to:
>>
>> * add initial support for Venus version 4xx (found on sdm845).
>>
>> * introduce a common capability parser to enumerate better
>> supported uncompressed formats, capabilities by codec,
>> supported codecs and so on.
>>
>> * also contains various cleanups, readability improvements
>> and fixes.
>>
>> * adds HEVC codec support for the Venus versions which has
>> support for it.
>>
>> * add multi-stream support (secondary decoder output), which
>> will give as an opportunity to use UBWC compressed formats
>> to optimize internal interconnect bandwidth on higher
>> resolutions.
>
> I'm a bit confused about this: is this a purely driver-internal thing,
> or is this exposed somehow to userspace as well? It seems to be purely
> internal.

For now it'll be internal for the driver. In downstream driver it is
exposed to userspace via custom v4l_control but that is not generic and
I decided to not expose it.

regards,
Stan

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