On Mon, Mar 9, 2020 at 6:08 PM Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> 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
