drm/radeon/cik: add support for doing async VM pt updates (v5)

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Async page table updates using the sDMA engine.  sDMA has a
special packet for updating entries for contiguous pages
that reduces overhead.

v2: add support for and use the CP for now.
v3: update for 2 level PTs
v4: rebase, fix DMA packet
v5: switch to using an IB

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Deucher 2012-08-31 11:00:53 -04:00

parent 605de6b97e

commit d0e092d969

1 changed files with 109 additions and 0 deletions

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drivers/gpu/drm/radeon/cik.c

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