Status of ROCm runtime upstream kernels

[Felix Kuehling]

On 2017-09-25 04:26 PM, Tom Stellard wrote:
> On 09/25/2017 01:11 PM, Felix Kuehling wrote:
>> Yes, it's only on CZ and KV for now.
>>
> And which kernel version do I need?

Current amd-staging-drm-next should work. The necessary patches are
making their way into Linux 4.14.

Regards,
  Felix

>
> -Tom
>
>> You also need a custom Thunk from here because the ioctl ABI is getting
>> changed in the upstreaming process:
>> https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/fxkamd/drm-next-wip
>>
>> KV support in the user mode package is currently lacking. I was able to
>> hack the OpenCL driver to enable KV support with a simple patch:
>>
>> commit 2761ff8bb444cf93de4d3d182b38d1da140df986
>> Author: Felix Kuehling <Felix.Kuehling at amd.com>
>> Date:   Fri Sep 8 16:14:23 2017 -0400
>>
>>     Enable Kaveri
>>     
>>     Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
>>
>> diff --git a/runtime/device/rocm/rocdevice.cpp b/runtime/device/rocm/rocdevice.cpp
>> index 16db78a..edd3cbd 100644
>> --- a/runtime/device/rocm/rocdevice.cpp
>> +++ b/runtime/device/rocm/rocdevice.cpp
>> @@ -76,6 +76,8 @@ static HsaDeviceId getHsaDeviceId(hsa_agent_t device, uint32_t& pci_id) {
>>    }
>>  
>>    switch (gfxipVersion) {
>> +    case 700:
>> +      return HSA_SPECTRE_ID;
>>      case 701:
>>        return HSA_HAWAII_ID;
>>      case 801:
>>
>>
>> Regards,
>>   Felix
>>
>>
>> On 2017-09-25 03:58 PM, Tom Stellard wrote:
>>> Hi Felix,
>>>
>>> In a mailing list post[1], you mentioned that you had the ROCm
>>> runtime working on an upstream kernel, which kernel version was this and
>>> was it only Kaveri and Carrizo?
>>>
>>> Thanks,
>>> Tom
>>>
>>>
>>> [1] https://lists.freedesktop.org/archives/amd-gfx/2017-September/012951.html