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Commit c36628d8 authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amgpu/acp: Implement set_powergating_state for acp 



so driver can powergate acp block after asic initialized
to save power.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3a54d2c8

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

+6 −0
Original line number Diff line number Diff line
@@ -514,6 +514,12 @@ static int acp_set_clockgating_state(void *handle, 
static int acp_set_powergating_state(void *handle,

				     enum amd_powergating_state state)

{

	struct amdgpu_device *adev = (struct amdgpu_device *)handle;

	bool enable = state == AMD_PG_STATE_GATE ? true : false;



	if (adev->powerplay.pp_funcs->set_powergating_by_smu)

		amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_ACP, enable);



	return 0;

}