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Date:   Thu, 9 Nov 2017 12:53:18 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian K├Ânig <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>, Rex Zhu <Rex.Zhu@....com>,
        "Edward O'Callaghan" <funfunctor@...klore1984.net>,
        Huang Rui <ray.huang@....com>,
        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/amd/powerplay: fix copy-n-paste error on vddci_buf index

On Thu, Nov 9, 2017 at 6:35 AM, Colin King <colin.king@...onical.com> wrote:
> From: Colin Ian King <colin.king@...onical.com>
>
> The index to vddci_buf is using profile->ucElbVDDC_Num rather
> than profile->ucElbVDDCI_Num; this looks like a copy-n-paste
> error from previous code for the vddc_buf array and I'm pretty
> sure this is incorrect. Fix this by using the correct variable.
>
> Detected by CoverityScan, CID#1457172 ("Copy-paste error")
>
> Fixes: 970d9804b00d ("drm/amd/powerplay: Add support functions for CI to ppatomctrl.c")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Applied.  thanks!

Alex

> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
> index a129bc5b1844..c6febbf0bf69 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
> @@ -1486,7 +1486,7 @@ int atomctrl_get_leakage_vddc_base_on_leakage(struct pp_hwmgr *hwmgr,
>                                 if (vddci_id_buf[i] == virtual_voltage_id) {
>                                         for (j = 0; j < profile->ucLeakageBinNum; j++) {
>                                                 if (efuse_voltage_id <= leakage_bin[j]) {
> -                                                       *vddci = vddci_buf[j * profile->ucElbVDDC_Num + i];
> +                                                       *vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
>                                                         break;
>                                                 }
>                                         }
> --
> 2.14.1
>
> _______________________________________________
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> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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