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.Liu@xxxxxxx>
> Sent: Monday, July 22, 2019 11:14 AM
> To: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>; Cox, Philip <Philip.Cox@xxxxxxx>; Oded Gabbay <oded.gabbay@xxxxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Zhou, David(ChunMing) <David1.Zhou@xxxxxxx>; David Airlie <airlied@xxxxxxxx>; Daniel Vetter <daniel@xxxxxxxx>
> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx <dri-devel@xxxxxxxxxxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx <linux-kernel@xxxxxxxxxxxxxxx>
> 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: stable@xxxxxxxxxxxxxxx
>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
>> ---
>> 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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