[PATCH 3/3] drm/amdgpu: CIK support is no longer experimental

[Nicolai Hähnle]

On 11.04.2017 00:06, Felix Kuehling wrote:
> On 17-04-08 04:50 AM, Nicolai Hähnle wrote:
>> On 07.04.2017 22:15, Felix Kuehling wrote:
>>> Change the wording of the CONFIG_DRM_AMDGPU_CIK option to indicate
>>> that it's no longer experimental.
>>>
>>> Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
>>> ---
>>>  drivers/gpu/drm/amd/amdgpu/Kconfig | 9 +++++----
>>>  1 file changed, 5 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig
>>> b/drivers/gpu/drm/amd/amdgpu/Kconfig
>>> index f3b6df8..029e3fe 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/Kconfig
>>> +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
>>> @@ -9,11 +9,12 @@ config DRM_AMDGPU_CIK
>>>      bool "Enable amdgpu support for CIK parts"
>>>      depends on DRM_AMDGPU
>>>      help
>>> -      Choose this option if you want to enable experimental support
>>> -      for CIK asics.
>>> +      Choose this option if you want to enable support for CIK asics.
>>>
>>> -      CIK is already supported in radeon.  CIK support in amdgpu
>>> -      is for experimentation and testing.
>>> +      If you choose No here, CIK ASICs will be supported by the
>>> +      radeon driver, as in previous kernel versions. Depending on
>>> +      your choice you will need different user mode (Mesa, X.org)
>>> +      drivers to support accelerated graphics on CIK.
>>
>> The last part is a bit misleading: while you do need different DDXes,
>> the same Mesa driver (radeonsi) will work with both the radeon and the
>> amdgpu kernel module for CIK. FWIW, the same is true for SI, although
>> older versions of Mesa might stumble when run on the amdgpu kernel
>> module.
>
> I see. Do you know the minimum Mesa version required for SI and CIK
> support on amdgpu respectively?

For SI, it's Mesa 17.0.

For CIK, I kind of suspect the support has "always" been there, since 
the amdgpu kernel module was originally brought up on CIK, but maybe 
Marek knows more.

Cheers,
Nicolai


>
> Thanks,
>   Felix
>
>>
>> Cheers,
>> Nicolai
>>
>>
>>>
>>>  config DRM_AMDGPU_USERPTR
>>>      bool "Always enable userptr write support"
>>>
>>
>>
>


-- 
Lerne, wie die Welt wirklich ist,
Aber vergiss niemals, wie sie sein sollte.