drm/amdgpu: add new HDP CG flags

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HDP 5.0 supports SRAM power gating. all the LS (Light Sleep)/
DS (Deep Sleep)/SD (Shut Down) modes are supported. However,
only one of these modes can be enabled at one time.

There is no dynamic power mode switch support. clock/power gating
has to be disabled before making any power mode change.

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

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Hawking Zhang 2018-08-29 21:18:19 +08:00 • committed by Alex Deucher

parent 54fc447279

commit 714ff85251

1 changed files with 2 additions and 0 deletions

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drivers/gpu/drm/amd/include/amd_shared.h

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