linux-kernel - Re: [PATCH -next] drm/amd/display: Removed unused variable 'sdp_stream

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <a80f39a1-6df5-cf4a-10e5-be46db8a778f@amd.com>
Date:   Tue, 4 Oct 2022 10:53:12 -0400
From:   Rodrigo Siqueira Jordao <Rodrigo.Siqueira@....com>
To:     Dong Chenchen <dongchenchen2@...wei.com>, airlied@...il.com,
        daniel@...ll.ch
Cc:     harry.wentland@....com, sunpeng.li@....com, Xinhui.Pan@....com,
        alexander.deucher@....com, Jerry.Zuo@....com,
        yuehaibing@...wei.com, linux-mips@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH -next] drm/amd/display: Removed unused variable
 'sdp_stream_enable'



On 2022-09-30 02:38, Dong Chenchen wrote:
> Kernel test robot throws below warning ->
> 
> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c:
> In function 'dcn31_hpo_dp_stream_enc_update_dp_info_packets':
>     drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c:439:14:
> warning: variable 'sdp_stream_enable' set but not used
> [-Wunused-but-set-variable]
>     439 |         bool sdp_stream_enable = false;
> 
> Removed unused variable 'sdp_stream_enable'.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Dong Chenchen <dongchenchen2@...wei.com>
> ---
>   .../dc/dcn31/dcn31_hpo_dp_stream_encoder.c       | 16 ++++++----------
>   1 file changed, 6 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c
> index 23621ff08c90..7daafbab98da 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c
> @@ -436,32 +436,28 @@ static void dcn31_hpo_dp_stream_enc_update_dp_info_packets(
>   {
>   	struct dcn31_hpo_dp_stream_encoder *enc3 = DCN3_1_HPO_DP_STREAM_ENC_FROM_HPO_STREAM_ENC(enc);
>   	uint32_t dmdata_packet_enabled = 0;
> -	bool sdp_stream_enable = false;
>   
> -	if (info_frame->vsc.valid) {
> +	if (info_frame->vsc.valid)
>   		enc->vpg->funcs->update_generic_info_packet(
>   				enc->vpg,
>   				0,  /* packetIndex */
>   				&info_frame->vsc,
>   				true);
> -		sdp_stream_enable = true;
> -	}
> -	if (info_frame->spd.valid) {
> +
> +	if (info_frame->spd.valid)
>   		enc->vpg->funcs->update_generic_info_packet(
>   				enc->vpg,
>   				2,  /* packetIndex */
>   				&info_frame->spd,
>   				true);
> -		sdp_stream_enable = true;
> -	}
> -	if (info_frame->hdrsmd.valid) {
> +
> +	if (info_frame->hdrsmd.valid)
>   		enc->vpg->funcs->update_generic_info_packet(
>   				enc->vpg,
>   				3,  /* packetIndex */
>   				&info_frame->hdrsmd,
>   				true);
> -		sdp_stream_enable = true;
> -	}
> +
>   	/* enable/disable transmission of packet(s).
>   	 * If enabled, packet transmission begins on the next frame
>   	 */

Thanks a lot for your patch,

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@....com>

and applied to amd-staging-drm-next.

Thanks
Siqueira