linux-kernel - Re: [PATCH v2 15/29] venus: helpers: rename a helper function and use buffer mode from caps

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Date:   Thu, 31 May 2018 16:59:51 +0900
From:   Tomasz Figa <tfiga@...omium.org>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        vgarodia@...eaurora.org
Subject: Re: [PATCH v2 15/29] venus: helpers: rename a helper function and use
 buffer mode from caps

On Tue, May 15, 2018 at 5:06 PM Stanimir Varbanov
<stanimir.varbanov@...aro.org> wrote:
>
> Rename is_reg_unreg_needed() to better name is_dynamic_bufmode() and
> use buffer mode from enumerated per codec capabilities.
>
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
> ---
>  drivers/media/platform/qcom/venus/helpers.c | 21 +++++++++++----------
>  1 file changed, 11 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
> index 2b21f6ed7502..1eda19adbf28 100644
> --- a/drivers/media/platform/qcom/venus/helpers.c
> +++ b/drivers/media/platform/qcom/venus/helpers.c
> @@ -354,18 +354,19 @@ session_process_buf(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
>         return 0;
>  }
>
> -static inline int is_reg_unreg_needed(struct venus_inst *inst)
> +static inline int is_dynamic_bufmode(struct venus_inst *inst)

nit: Could be made bool.

>  {
> -       if (inst->session_type == VIDC_SESSION_TYPE_DEC &&
> -           inst->core->res->hfi_version == HFI_VERSION_3XX)
> -               return 0;
> +       struct venus_core *core = inst->core;
> +       struct venus_caps *caps;
>
> -       if (inst->session_type == VIDC_SESSION_TYPE_DEC &&
> -           inst->cap_bufs_mode_dynamic &&
> -           inst->core->res->hfi_version == HFI_VERSION_1XX)
> +       caps = venus_caps_by_codec(core, inst->hfi_codec, inst->session_type);
> +       if (!caps)
>                 return 0;
>
> -       return 1;
> +       if (caps->cap_bufs_mode_dynamic)
> +               return 1;
> +
> +       return 0;

nit: return caps->cap_bufs_mode_dynamic;

Best regards,
Tomasz