On 7/22/19 10:58 AM, Deucher, Alexander wrote:
> We need to add a /*fall through */ comment then.
> 

It might be better to remove the call to pr_debug() in KFD_MQD_TYPE_CP:

        case KFD_MQD_TYPE_CP:
        case KFD_MQD_TYPE_COMPUTE:
                pr_debug("%s@%i\n", __func__, __LINE__);
                mqd->allocate_mqd = allocate_mqd;

Thanks
--
Gustavo


> Alex
> ________________________________
> From: Liu, Shaoyun <shaoyun....@amd.com>
> Sent: Monday, July 22, 2019 11:14 AM
> To: Gustavo A. R. Silva <gust...@embeddedor.com>; Cox, Philip 
> <philip....@amd.com>; Oded Gabbay <oded.gab...@gmail.com>; Deucher, Alexander 
> <alexander.deuc...@amd.com>; Koenig, Christian <christian.koe...@amd.com>; 
> Zhou, David(ChunMing) <david1.z...@amd.com>; David Airlie <airl...@linux.ie>; 
> Daniel Vetter <dan...@ffwll.ch>
> Cc: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>; 
> dri-de...@lists.freedesktop.org <dri-de...@lists.freedesktop.org>; 
> linux-ker...@vger.kernel.org <linux-ker...@vger.kernel.org>
> Subject: Re: [PATCH] drm/amdkfd/kfd_mqd_manager_v10: Fix missing break in 
> switch statement
> 
> This one properly in purpose , The mqd init for CP and  COMPUTE will
> have the same  routine .
> 
> Regard
> 
> sshaoyun.liu
> 
> On 2019-07-21 6:59 p.m., Gustavo A. R. Silva wrote:
>> Add missing break statement in order to prevent the code from falling
>> through to case KFD_MQD_TYPE_COMPUTE.
>>
>> This bug was found thanks to the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Fixes: 14328aa58ce5 ("drm/amdkfd: Add navi10 support to amdkfd. (v3)")
>> Cc: sta...@vger.kernel.org
>> Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
>> ---
>>   drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c 
>> b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c
>> index 4f8a6ffc5775..1d8b13ad46f9 100644
>> --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c
>> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c
>> @@ -430,6 +430,7 @@ struct mqd_manager *mqd_manager_init_v10(enum 
>> KFD_MQD_TYPE type,
>>        switch (type) {
>>        case KFD_MQD_TYPE_CP:
>>                pr_debug("%s@%i\n", __func__, __LINE__);
>> +             break;
>>        case KFD_MQD_TYPE_COMPUTE:
>>                pr_debug("%s@%i\n", __func__, __LINE__);
>>                mqd->allocate_mqd = allocate_mqd;
> 

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