[Intel-gfx] [PATCH v8 5/5] drm/i915/uapi: document behaviour for DG2 64K support

Jordan Justen jordan.l.justen at intel.com
Fri Feb 18 19:42:23 UTC 2022


Ramalingam C <ramalingam.c at intel.com> writes:

> On 2022-02-18 at 18:06:00 +0000, Robert Beckett wrote:
>> 
>> If desired, we can make the wording clearer, maybe something like:
>> 
>> "To keep things simple for userland, we mandate that any GTT mappings
>> must be aligned to 2MB. The kernel will internally pad them out to the next
>> 2MB boundary"
>
> Added the extra information in next version @
> https://patchwork.freedesktop.org/patch/475166/?series=100419&rev=1
>
> Jordan, hope this explanation clears your doubt.

Ok. It sounds like what we are doing in Mesa matches what is required by
hardware and the kernel. Thanks.

-Jordan


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