[PATCH 1/2] dmr/amdgpu: Avoid HW GPU reset for RAS.

Kuehling, Felix Felix.Kuehling at amd.com
Thu Aug 29 16:18:13 UTC 2019

On 2019-08-29 10:08 a.m., Grodzovsky, Andrey wrote:
> Agree, the placement of amdgpu_amdkfd_pre/post _reset in 
> amdgpu_device_lock/unlock_adev is a bit wierd.
amdgpu_device_reset_sriov already calls amdgpu_amdkfd_pre/post_reset 
itself while it has exclusive access to the GPU. It would make sense to 
move the same calls into amdgpu_do_asic_reset for the bare-metal case.


> Andrey
> On 8/29/19 10:06 AM, Koenig, Christian wrote:
>>> Felix advised that the way to stop all KFD activity is simply to NOT
>>> call amdgpu_amdkfd_post_reset so that why I added this. Do you mean you
>>> prefer amdgpu_amdkfd_post_reset to be outside of amdgpu_device_unlock_adev ?
>> Yes, exactly. It doesn't seems to be related to the unlock operation in
>> the first place, but rather only signals the KFD that the reset is
>> completed.
>> Christian.
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