linux-kernel - Re: [PATCH 12/40] drm/amd/pm/powerplay/hwmgr/ppatomctrl: Remove unused variable 'fPowerDPMx'

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Message-ID: <CADnq5_OfGjB+AbvKtvUV7ByRtFG3SZ2Msip8TOPfi6BNr9jhAw@mail.gmail.com>
Date:   Mon, 30 Nov 2020 18:33:01 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     David Airlie <airlied@...ux.ie>,
        LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        Evan Quan <evan.quan@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH 12/40] drm/amd/pm/powerplay/hwmgr/ppatomctrl: Remove
 unused variable 'fPowerDPMx'

On Thu, Nov 26, 2020 at 8:43 AM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:31:
>  drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c: In function ‘atomctrl_calculate_voltage_evv_on_sclk’:
>  drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:702:22: warning: variable ‘fPowerDPMx’ set but not used [-Wunused-but-set-variable]
>
> Cc: Evan Quan <evan.quan@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c | 10 +---------
>  1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
> index c2fee6796bd93..2cb913ab77f26 100644
> --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
> +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
> @@ -699,7 +699,7 @@ int atomctrl_calculate_voltage_evv_on_sclk(
>         fInt fMargin_RO_a, fMargin_RO_b, fMargin_RO_c, fMargin_fixed, fMargin_FMAX_mean, fMargin_Plat_mean, fMargin_FMAX_sigma, fMargin_Plat_sigma, fMargin_DC_sigma;
>         fInt fLkg_FT, repeat;
>         fInt fMicro_FMAX, fMicro_CR, fSigma_FMAX, fSigma_CR, fSigma_DC, fDC_SCLK, fSquared_Sigma_DC, fSquared_Sigma_CR, fSquared_Sigma_FMAX;
> -       fInt fRLL_LoadLine, fPowerDPMx, fDerateTDP, fVDDC_base, fA_Term, fC_Term, fB_Term, fRO_DC_margin;
> +       fInt fRLL_LoadLine, fDerateTDP, fVDDC_base, fA_Term, fC_Term, fB_Term, fRO_DC_margin;
>         fInt fRO_fused, fCACm_fused, fCACb_fused, fKv_m_fused, fKv_b_fused, fKt_Beta_fused, fFT_Lkg_V0NORM;
>         fInt fSclk_margin, fSclk, fEVV_V;
>         fInt fV_min, fV_max, fT_prod, fLKG_Factor, fT_FT, fV_FT, fV_x, fTDP_Power, fTDP_Power_right, fTDP_Power_left, fTDP_Current, fV_NL;
> @@ -731,36 +731,28 @@ int atomctrl_calculate_voltage_evv_on_sclk(
>
>         switch (dpm_level) {
>         case 1:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm1));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM1), 1000);
>                 break;
>         case 2:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm2));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM2), 1000);
>                 break;
>         case 3:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm3));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM3), 1000);
>                 break;
>         case 4:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm4));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM4), 1000);
>                 break;
>         case 5:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm5));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM5), 1000);
>                 break;
>         case 6:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm6));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM6), 1000);
>                 break;
>         case 7:
> -               fPowerDPMx = Convert_ULONG_ToFraction(le16_to_cpu(getASICProfilingInfo->usPowerDpm7));
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM7), 1000);
>                 break;
>         default:
>                 pr_err("DPM Level not supported\n");
> -               fPowerDPMx = Convert_ULONG_ToFraction(1);
>                 fDerateTDP = GetScaledFraction(le32_to_cpu(getASICProfilingInfo->ulTdpDerateDPM0), 1000);
>         }
>
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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