linux-kernel - Re: [PATCH 07/10] venus: helpers: add three more helper functions

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Message-ID: <CAPBb6MU+oV3gX=EmdVawnVBEtfs4roNxYVee0d2PLNKxb31F7A@mail.gmail.com>
Date:   Fri, 25 Jan 2019 14:47:17 +0900
From:   Alexandre Courbot <acourbot@...omium.org>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     Linux Media Mailing List <linux-media@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org,
        Vikash Garodia <vgarodia@...eaurora.org>,
        Tomasz Figa <tfiga@...omium.org>,
        Malathi Gottam <mgottam@...eaurora.org>
Subject: Re: [PATCH 07/10] venus: helpers: add three more helper functions

On Thu, Jan 24, 2019 at 5:54 PM Stanimir Varbanov
<stanimir.varbanov@...aro.org> wrote:
>
> Hi Alex,
>
> Thanks for the review!
>
> On 1/24/19 10:43 AM, Alexandre Courbot wrote:
> > On Fri, Jan 18, 2019 at 1:21 AM Stanimir Varbanov
> > <stanimir.varbanov@...aro.org> wrote:
> >>
> >> This adds three more helper functions:
> >>  * for internal buffers reallocation, applicable when we are doing
> >> dynamic resolution change
> >>  * for initial buffer processing of capture and output queue buffer
> >> types
> >>
> >> All of them will be needed for stateful Codec API support.
> >>
> >> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
> >> ---
> >>  drivers/media/platform/qcom/venus/helpers.c | 82 +++++++++++++++++++++
> >>  drivers/media/platform/qcom/venus/helpers.h |  2 +
> >>  2 files changed, 84 insertions(+)
> >>
> >> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> >> index f33bbfea3576..637ce7b82d94 100644
> >> --- a/drivers/media/platform/qcom/venus/helpers.c
> >> +++ b/drivers/media/platform/qcom/venus/helpers.c
> >> @@ -322,6 +322,52 @@ int venus_helper_intbufs_free(struct venus_inst *inst)
> >>  }
> >>  EXPORT_SYMBOL_GPL(venus_helper_intbufs_free);
> >>
> >> +int venus_helper_intbufs_realloc(struct venus_inst *inst)
> >
> > Does this function actually reallocate buffers? It seems to just free
> > what we had previously.
>
> The function free all internal buffers except PERSIST. After that the
> buffers are allocated in intbufs_set_buffer function (I know that the
> function name is misleading).

Yeah, that's what I felt - do you think you can fix this for clarity?