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

From: Alex Deucher
Date: Fri Mar 01 2019 - 18:54:34 EST


On Fri, Mar 1, 2019 at 4:51 PM Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxx
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

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
>
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