linux-kernel - Re: [PATCH 29/37] drm/amd/display/dc/link/link_detection: Remove unused variable 'status'

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Message-ID: <CADnq5_PR+VHHELVqbVYjOoJA-u_2V=kZmbyk2E0LJ==QOwPnbw@mail.gmail.com>
Date:   Fri, 17 Mar 2023 16:38:04 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Lee Jones <lee@...nel.org>
Cc:     dri-devel@...ts.freedesktop.org, Leo Li <sunpeng.li@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        Wenjing Liu <wenjing.liu@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH 29/37] drm/amd/display/dc/link/link_detection: Remove
 unused variable 'status'

Applied.  Thanks!

On Fri, Mar 17, 2023 at 4:23 AM Lee Jones <lee@...nel.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_detection.c: In function ‘query_hdcp_capability’:
>  drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_detection.c:501:42: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]
>
> Cc: Harry Wentland <harry.wentland@....com>
> Cc: Leo Li <sunpeng.li@....com>
> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: "Pan, Xinhui" <Xinhui.Pan@....com>
> Cc: David Airlie <airlied@...il.com>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Wenjing Liu <wenjing.liu@....com>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee@...nel.org>
> ---
>  drivers/gpu/drm/amd/display/dc/link/link_detection.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
> index 9177b146a80a8..9a4cfa777622e 100644
> --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c
> +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
> @@ -498,8 +498,6 @@ static void query_hdcp_capability(enum signal_type signal, struct dc_link *link)
>         dc_process_hdcp_msg(signal, link, &msg22);
>
>         if (signal == SIGNAL_TYPE_DISPLAY_PORT || signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
> -               enum hdcp_message_status status = HDCP_MESSAGE_UNSUPPORTED;
> -
>                 msg14.data = &link->hdcp_caps.bcaps.raw;
>                 msg14.length = sizeof(link->hdcp_caps.bcaps.raw);
>                 msg14.msg_id = HDCP_MESSAGE_ID_READ_BCAPS;
> @@ -507,7 +505,7 @@ static void query_hdcp_capability(enum signal_type signal, struct dc_link *link)
>                 msg14.link = HDCP_LINK_PRIMARY;
>                 msg14.max_retries = 5;
>
> -               status = dc_process_hdcp_msg(signal, link, &msg14);
> +               dc_process_hdcp_msg(signal, link, &msg14);
>         }
>
>  }
> --
> 2.40.0.rc1.284.g88254d51c5-goog
>