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| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-07-29 18:53:02 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-27 11:09:44 -0500 |
| commit | c36628d8989a7a0d1cc4fe2ae93c6cd99a865f68 (patch) | |
| tree | 944e35b35c93ce629909bbcb5f7c6ae921422a5e | |
| parent | 3a54d2c8951113171655425bd173f43bbcb531c5 (diff) | |
| download | linux-c36628d8989a7a0d1cc4fe2ae93c6cd99a865f68.tar.gz linux-c36628d8989a7a0d1cc4fe2ae93c6cd99a865f68.tar.bz2 linux-c36628d8989a7a0d1cc4fe2ae93c6cd99a865f68.zip | |
drm/amgpu/acp: Implement set_powergating_state for acp
so driver can powergate acp block after asic initialized
to save power.
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index b5b66c3d1b43..297a5490ad8c 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; } |