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freedreno: Document CP_INDIRECT_BUFFER_CHAIN

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This will let us use batch chaining instead of growing batches on a5xx
and a6xx.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3537>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3537>
This commit is contained in:
Connor Abbott
2020-01-23 16:36:18 +01:00
committed by Marge Bot
parent f58242b56e
commit b103157a0e
1 changed files with 6 additions and 0 deletions
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src/freedreno/registers/adreno_pm4.xml
+6
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@@ -157,6 +157,12 @@ xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
<value name="CP_PREEMPT_ENABLE" value="0x1c"/>
<value name="CP_PREEMPT_TOKEN" value="0x1e"/>
<value name="CP_INDIRECT_BUFFER" value="0x3f"/>
<doc>
Takes the same arguments as CP_INDIRECT_BUFFER, but jumps to
another buffer at the same level. Must be at the end of IB, and
doesn't work with draw state IB's.
</doc>
<value name="CP_INDIRECT_BUFFER_CHAIN" value="0x57" variants="A5XX-"/>
<doc>indirect buffer dispatch. same as IB, but init is pipelined</doc>
<value name="CP_INDIRECT_BUFFER_PFD" value="0x37"/>
<doc>wait for the IDLE state of the engine</doc>