linux-kernel - Re: [PATCH] drm/radeon/ci_dpm: Remove redundant initialization of variables hi_sidd, lo

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Message-ID: <CADnq5_PsA5KsH5D2=-GKLgq2HQ-_5x=-0SJF3htvKEzK5cKVYQ@mail.gmail.com>
Date:   Tue, 7 Sep 2021 13:05:56 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        xinhui pan <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/radeon/ci_dpm: Remove redundant initialization of
 variables hi_sidd, lo_sidd

Applied.  Thanks!

Alex

On Tue, Sep 7, 2021 at 7:09 AM Colin King <colin.king@...onical.com> wrote:
>
> From: Colin Ian King <colin.king@...onical.com>
>
> The variables hi_sidd and lo_sidd are being initialized with a values
> that are never read, they are being updated later on. The assignments
> are redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/gpu/drm/radeon/ci_dpm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
> index f0cfb58da467..ac006bed4743 100644
> --- a/drivers/gpu/drm/radeon/ci_dpm.c
> +++ b/drivers/gpu/drm/radeon/ci_dpm.c
> @@ -390,8 +390,7 @@ static int ci_min_max_v_gnbl_pm_lid_from_bapm_vddc(struct radeon_device *rdev)
>  static int ci_populate_bapm_vddc_base_leakage_sidd(struct radeon_device *rdev)
>  {
>         struct ci_power_info *pi = ci_get_pi(rdev);
> -       u16 hi_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageHiSidd;
> -       u16 lo_sidd = pi->smc_powertune_table.BapmVddCBaseLeakageLoSidd;
> +       u16 hi_sidd, lo_sidd;
>         struct radeon_cac_tdp_table *cac_tdp_table =
>                 rdev->pm.dpm.dyn_state.cac_tdp_table;
>
> --
> 2.32.0
>