On 13/02/2021 09:11, Tomasz Torcz wrote:
> Dnia Fri, Feb 12, 2021 at 10:16:26PM +0100, Daniel Pocock napisaƂ(a):
>>
>>
>> On 12/02/2021 21:19, Justin Forbes wrote:
>>> On Fri, Feb 12, 2021 at 10:21 AM Ben Cotton <bcot...@redhat.com> wrote:
>>>>
>>>> https://fedoraproject.org/wiki/Changes/Power4kPageSize
>>>>
>>>> == Summary ==
>>>>
>>>> On ppc64le, the kernel is currently compiled for 64k page size.
>>>>
>>>> This change proposes using the more common 4k page size.
>>>>
>>>> Some things, like the AMD Radeon GPU drivers, firmware or related
>>>> code, appear to be completely non-functional on the 64k page size.
>>>> Insufficient upstream developers are testing such issues on this
>>>> architecture.
>>>
>>> Just as there are many things that expect the 64K page size.  I am not
>>> doing this.
>>>
>>> Justin
>>
>> Can you please identify some of the things that expect 64k?
>>
>> If the GPU drivers don't work that makes it a complete non-starter for
>> many workstation users, or they have to compile their own kernels or
>> obtain custom kernels from another user.
> 
>   Or just fix the GPU drivers. They're open source, after all.

The GPUs also have firmware blobs
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