drm/amdgpu: optionally do a writeback but don't invalidate TC for IB fences

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There is a new IB flag that enables this new behavior.
Full invalidation is unnecessary for RELEASE_MEM and doesn't make sense
when draw calls from two adjacent gfx IBs run in parallel. This will be
the new default for Mesa.

v2: bump the version

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Marek Olšák 2018-04-03 13:05:03 -04:00 • committed by Alex Deucher

parent 3f188453fa

commit d240cd9edd

8 changed files with 27 additions and 11 deletions

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4

include/uapi/drm/amdgpu_drm.h

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