RE: [PATCH] drm/amd/pm: remove unused num_of_active_display variable

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[AMD Official Use Only - General]

Reviewed-by: Evan Quan <evan.quan@xxxxxxx>

> -----Original Message-----
> From: Tom Rix <trix@xxxxxxxxxx>
> Sent: Saturday, April 1, 2023 12:41 AM
> To: Quan, Evan <Evan.Quan@xxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; Koenig, Christian
> <Christian.Koenig@xxxxxxx>; Pan, Xinhui <Xinhui.Pan@xxxxxxx>;
> airlied@xxxxxxxxx; daniel@xxxxxxxx; nathan@xxxxxxxxxx;
> ndesaulniers@xxxxxxxxxx; Zhang, Hawking <Hawking.Zhang@xxxxxxx>;
> Feng, Kenneth <Kenneth.Feng@xxxxxxx>; Lazar, Lijo
> <Lijo.Lazar@xxxxxxx>; Wang, Yang(Kevin) <KevinYang.Wang@xxxxxxx>;
> Huang, Tim <Tim.Huang@xxxxxxx>; andrealmeid@xxxxxxxxxx; Liu, Kun
> <Kun.Liu2@xxxxxxx>; Limonciello, Mario <Mario.Limonciello@xxxxxxx>
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; llvm@xxxxxxxxxxxxxxx; Tom Rix <trix@xxxxxxxxxx>
> Subject: [PATCH] drm/amd/pm: remove unused num_of_active_display
> variable
> 
> clang with W=1 reports
> drivers/gpu/drm/amd/amdgpu/../pm/swsmu/amdgpu_smu.c:1700:6: error:
> variable
>   'num_of_active_display' set but not used [-Werror,-Wunused-but-set-
> variable]
>         int num_of_active_display = 0;
>             ^
> This variable is not used so remove it.
> 
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> index b5d64749990e..f93f7a9ed631 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> @@ -1696,8 +1696,6 @@ static int smu_display_configuration_change(void
> *handle,
>  					    const struct
> amd_pp_display_configuration *display_config)  {
>  	struct smu_context *smu = handle;
> -	int index = 0;
> -	int num_of_active_display = 0;
> 
>  	if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
>  		return -EOPNOTSUPP;
> @@ -1708,11 +1706,6 @@ static int smu_display_configuration_change(void
> *handle,
>  	smu_set_min_dcef_deep_sleep(smu,
>  				    display_config-
> >min_dcef_deep_sleep_set_clk / 100);
> 
> -	for (index = 0; index < display_config-
> >num_path_including_non_display; index++) {
> -		if (display_config->displays[index].controller_id != 0)
> -			num_of_active_display++;
> -	}
> -
>  	return 0;
>  }
> 
> --
> 2.27.0




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