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(parent: 8024935) | patch
drm/amdgpu/acp: Powrgate acp via smu
authorRex Zhu <Rex.Zhu@amd.com>
Sun, 29 Jul 2018 10:44:06 +0000 (18:44 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 27 Aug 2018 16:09:43 +0000 (11:09 -0500)
commitd6f9ec4fc4552ae5a365510a6558641183566245
tree7cbc6f3c1cd86182bfd38b18ef4e3838281b2b1etree | snapshot
parent802493551996fe355db8700c63652939e1f2e914commit | diff
drm/amdgpu/acp: Powrgate acp via smu

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>
drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c diff | blob | history
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