[PATCH 6/6] Documentation/gpu: Add DC glossary

Christian König ckoenig.leichtzumerken at gmail.com
Tue Nov 30 10:09:43 UTC 2021



Am 29.11.21 um 21:48 schrieb ydirson at free.fr:
> Hi Rodrigo,
>
> That will really be helpful!
>
> I know drawing the line is a difficult problem (and can even make things
> harder when searching), but maybe it would make sense to keep generic
> acronyms not specific to amdgpu in a separate list.  I bet a number of
> them would be useful in the scope of other drm drivers (e.g. CRTC, DCC,
> MST), and some are not restricted to the drm subsystem at all (e.g. FEC,
> LUT), but still have value as not necessarily easy to look up.
>
> Maybe "DC glossary" should just be "Glossary", since quite some entries
> help to read adm/amdgpu/ too.  Which brings me to the result of my recent
> searches as suggested entries:
>
>   KIQ (Kernel Interface Queue), MQD (memory queue descriptor), HQD (hardware
>   queue descriptor), EOP (still no clue :)

End Of Pipe/Pipeline :)

This means that calculations are done, all caches are flushed and all 
memory is coherent again.

Usually related to an interrupt send or fence value written.

Christian.

>
> Maybe some more specific ones just to be spelled out in clear where they
> are used ?  KCQ (compute queue?), KGQ (gfx queue?)
>
> More suggestions inlined.
>
> Best regards,



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