Re: [PATCH] drm/amd/powerplay: fix a signedness bugs

["Zhu, Rex" <Rex.Zhu-5C7GfCeVMHo@public.gmane.org>]

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Patches has been applied.


Thanks.


Best Regards

Rex

________________________________
From: Huang, JinHuiEric
Sent: Friday, May 19, 2017 12:28:09 AM
To: Dan Carpenter; Deucher, Alexander; Zhu, Rex
Cc: Koenig, Christian; David Airlie; Wang, Ken; Huang, Ray; amd-gfx@lists.freedesktop.org; dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; kernel-janitors-u79uwXL29TZNg+MwTxZMZA@public.gmane.orgl.org
Subject: Re: [PATCH] drm/amd/powerplay: fix a signedness bugs

Reviewed-by: Eric Huang <JinHuiEric.Huang-5C7GfCeVMHo@public.gmane.org>


On 2017-05-16 10:42 AM, Dan Carpenter wrote:
> Smatch complains about a signedness bug here:
>
>        vega10_hwmgr.c:4202 vega10_force_clock_level()
>        warn: always true condition '(i >= 0) => (0-u32max >= 0)'
>
> Fixes: 7b52db39a4c2 ("drm/amd/powerplay: fix bug sclk/mclk level can't be set on vega10.")
> Signed-off-by: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index ad30f5d3a10d..2614af2f553f 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -4186,7 +4186,7 @@ static int vega10_force_clock_level(struct pp_hwmgr *hwmgr,
>                enum pp_clock_type type, uint32_t mask)
>   {
>        struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend);
> -     uint32_t i;
> +     int i;
>
>        if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL)
>                return -EINVAL;


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