linux-kernel - Re: [PATCH] drm/amdgpu/powerplay: Fix missing break in switch statement

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Date:   Fri, 1 Mar 2019 18:54:18 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Rex Zhu <rex.zhu@....com>, Evan Quan <evan.quan@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "David (ChunMing) Zhou" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Kees Cook <keescook@...omium.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amdgpu/powerplay: Fix missing break in switch statement

On Fri, Mar 1, 2019 at 4:51 PM Gustavo A. R. Silva
<gustavo@...eddedor.com> wrote:
>
> Add missing break statement in order to prevent the code from falling
> through to case SMU_Discrete_DpmTable.
>
> This bug was found thanks to the ongoing efforts to enable
> -Wimplicit-fallthrough.
>
> Fixes: 34a564eaf528 ("drm/amd/powerplay: implement fw image related smum interface for Polaris.")
> Cc: stable@...r.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>

Already fixed:
https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-5.2-wip&id=6feaa4194c18578623565017f95d1b2f6b243567

Alex

> ---
>  drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
> index 52abca065764..222fb79d319e 100644
> --- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
> @@ -2330,6 +2330,7 @@ static uint32_t polaris10_get_offsetof(uint32_t type, uint32_t member)
>                 case DRAM_LOG_BUFF_SIZE:
>                         return offsetof(SMU74_SoftRegisters, DRAM_LOG_BUFF_SIZE);
>                 }
> +               break;
>         case SMU_Discrete_DpmTable:
>                 switch (member) {
>                 case UvdBootLevel:
> --
> 2.21.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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