Re: [PATCH v2 3/3] drm/amd/display: Remove unused local variables and function

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Applied.  Thanks.

On Fri, Feb 17, 2023 at 1:15 PM Arthur Grillo <arthurgrillo@xxxxxxxxxx> wrote:
>
> Remove a couple of local variables that are only set but never used,
> also remove an static utility function that is never used in consequence
> of the variable removal.
>
> This decrease the number of -Wunused-but-set-variable warnings.
>
> Signed-off-by: Arthur Grillo <arthurgrillo@xxxxxxxxxx>
> ---
>  .../gpu/drm/amd/display/dc/dcn31/dcn31_apg.c  | 41 -------------------
>  1 file changed, 41 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c
> index 24e9ff65434d..05aac3e444b4 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_apg.c
> @@ -72,40 +72,6 @@ static void apg31_disable(
>         REG_UPDATE(APG_CONTROL2, APG_ENABLE, 0);
>  }
>
> -static union audio_cea_channels speakers_to_channels(
> -       struct audio_speaker_flags speaker_flags)
> -{
> -       union audio_cea_channels cea_channels = {0};
> -
> -       /* these are one to one */
> -       cea_channels.channels.FL = speaker_flags.FL_FR;
> -       cea_channels.channels.FR = speaker_flags.FL_FR;
> -       cea_channels.channels.LFE = speaker_flags.LFE;
> -       cea_channels.channels.FC = speaker_flags.FC;
> -
> -       /* if Rear Left and Right exist move RC speaker to channel 7
> -        * otherwise to channel 5
> -        */
> -       if (speaker_flags.RL_RR) {
> -               cea_channels.channels.RL_RC = speaker_flags.RL_RR;
> -               cea_channels.channels.RR = speaker_flags.RL_RR;
> -               cea_channels.channels.RC_RLC_FLC = speaker_flags.RC;
> -       } else {
> -               cea_channels.channels.RL_RC = speaker_flags.RC;
> -       }
> -
> -       /* FRONT Left Right Center and REAR Left Right Center are exclusive */
> -       if (speaker_flags.FLC_FRC) {
> -               cea_channels.channels.RC_RLC_FLC = speaker_flags.FLC_FRC;
> -               cea_channels.channels.RRC_FRC = speaker_flags.FLC_FRC;
> -       } else {
> -               cea_channels.channels.RC_RLC_FLC = speaker_flags.RLC_RRC;
> -               cea_channels.channels.RRC_FRC = speaker_flags.RLC_RRC;
> -       }
> -
> -       return cea_channels;
> -}
> -
>  static void apg31_se_audio_setup(
>         struct apg *apg,
>         unsigned int az_inst,
> @@ -113,24 +79,17 @@ static void apg31_se_audio_setup(
>  {
>         struct dcn31_apg *apg31 = DCN31_APG_FROM_APG(apg);
>
> -       uint32_t speakers = 0;
> -       uint32_t channels = 0;
> -
>         ASSERT(audio_info);
>         /* This should not happen.it does so we don't get BSOD*/
>         if (audio_info == NULL)
>                 return;
>
> -       speakers = audio_info->flags.info.ALLSPEAKERS;
> -       channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
> -
>         /* DisplayPort only allows for one audio stream with stream ID 0 */
>         REG_UPDATE(APG_CONTROL2, APG_DP_AUDIO_STREAM_ID, 0);
>
>         /* When running in "pair mode", pairs of audio channels have their own enable
>          * this is for really old audio drivers */
>         REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, 0xFF);
> -       // REG_UPDATE(APG_DBG_GEN_CONTROL, APG_DBG_AUDIO_CHANNEL_ENABLE, channels);
>
>         /* Disable forced mem power off */
>         REG_UPDATE(APG_MEM_PWR, APG_MEM_PWR_FORCE, 0);
> --
> 2.39.2
>



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