linux-kernel - Re: [PATCH v2 03/29] venus: hfi: update sequence event to handle more properties

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Date:   Fri, 18 May 2018 22:53:48 +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 03/29] venus: hfi: update sequence event to handle more properties

On Tue, May 15, 2018 at 5:14 PM Stanimir Varbanov <
stanimir.varbanov@...aro.org> wrote:

> HFI version 4xx can pass more properties in the sequence change
> event, extend the event structure with them.

> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
> ---
>   drivers/media/platform/qcom/venus/hfi.h      |  9 ++++++
>   drivers/media/platform/qcom/venus/hfi_msgs.c | 46
++++++++++++++++++++++++++++
>   2 files changed, 55 insertions(+)

> diff --git a/drivers/media/platform/qcom/venus/hfi.h
b/drivers/media/platform/qcom/venus/hfi.h
> index 5466b7d60dd0..21376d93170f 100644
> --- a/drivers/media/platform/qcom/venus/hfi.h
> +++ b/drivers/media/platform/qcom/venus/hfi.h
> @@ -74,6 +74,15 @@ struct hfi_event_data {
>          u32 tag;
>          u32 profile;
>          u32 level;

nit; Could we add a comment saying that it showed in 4xx?

[snip]

> +               case HFI_PROPERTY_CONFIG_VDEC_ENTROPY:
> +                       data_ptr += sizeof(u32);
> +                       entropy_mode = *(u32 *)data_ptr;
> +                       event.entropy_mode = entropy_mode;

Is the |entropy_mode| local variable necessary?

Best regards,
Tomasz