[PATCH 02/83] drm/radeon: reduce number of free VMIDs and pipes in KV

Ilyes Gouta ilyes.gouta at gmail.com
Fri Jul 11 10:59:53 PDT 2014


Hi,

Just a side question (for information),

On Fri, Jul 11, 2014 at 6:07 PM, Bridgman, John <John.Bridgman at amd.com>
wrote:

>
> Right. The SET_RESOURCES packet (kfd_pm4_headers.h, added in patch 49)
> allocates a range of HW queues, VMIDs and GDS to the HW scheduler, then the
> scheduler uses the allocated VMIDs to support a potentially larger number
> of user processes by dynamically mapping PASIDs to VMIDs and memory queue
> descriptors (MQDs) to HW queues.
>

Are there any documentation/specifications online describing these
mechanisms?

Thanks,
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