drm/amdgpu/acp: Powrgate acp via smu

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Call smu to power gate/ungate acp instand of only
powr down acp tiles in acp block.
when smu power gate acp:
smu will turn off clock, power down acp tiles,check and
enter in ULV state.
when smu  ungate acp:
smu will exit ulv, turn on clocks, power on acp tiles.

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

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Rex Zhu 2018-07-29 18:44:06 +08:00 • committed by Alex Deucher

parent 1062ddb6d5

commit 3a54d2c895

1 changed files with 22 additions and 112 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c

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