[PATCH v2] High priority usermode contexts

[Felix Kuehling]

On 17-01-03 08:47 PM, Andres Rodriguez wrote:
> This patch series provides the initial APIs for high priority contexts.
>
> The current implementation is based on top of the SW scheduler, there
> are no HW priorities set yet.
>
> This doesn't provide the quality of service we need for VR. Further changes
> to enable HW priorities will be required.

More importantly, this only affects relative priority between graphics
SW queues, or between compute SW queues running on the same compute
ring. It has no influence on relative priority between compute queues
and graphics queues or compute queues running on different compute rings
(HW queues).

Regards,
  Felix

>
> For some performance data collected with multiple apps see:
> https://lists.freedesktop.org/archives/amd-gfx/2016-December/004257.html
>
> Test apps available here:
> https://github.com/lostgoat/Vulkan
>
> Related libdrm/radv patches to follow
>
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