On Sun, Jul 29, 2018 at 7:12 AM, Rex Zhu <rex.zhu at amd.com> wrote:
> so driver can powergate acp block after asic initialized
> to save power.
>
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
> index b5b66c3..297a549 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
> @@ -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;
> }
>
> --
> 1.9.1
>
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