Messages in this thread | | | From | Tomasz Figa <> | Date | Mon, 9 Mar 2020 18:17:43 +0900 | Subject | Re: [PATCHv4 01/11] videobuf2: add cache management members |
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On Mon, Mar 9, 2020 at 6:08 PM Sergey Senozhatsky <senozhatsky@chromium.org> wrote: > > On (20/03/09 17:58), Tomasz Figa wrote: > [..] > > > > I see. Hmm, how do I do "test that V4L2_BUF_CAP_SUPPORTS_CACHE_HINTS > > > > is never set" then? > > > > > > Not sure I understand your question. When requesting buffers for non-MMAP memory, > > > this capability must never be returned. That has nothing to do with a cache_hints > > > module option. > > > > Have we decided that we explicitly don't want to support this for > > USERPTR memory, even though technically possible and without much > > extra code needed? > > My irrelevant 5 cents (sorry), I'd probably prefer to land MMAP > first + test drivers patches + v4l-util patches. The effort > required to land this is getting bigger.
I think that's fine, but we need to make it explicit. :)
Best regards, Tomasz
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